diff --git a/.gitignore b/.gitignore index 7f41b3d7..770c02c6 100644 --- a/.gitignore +++ b/.gitignore @@ -15,11 +15,13 @@ GNUmakefile.in /config.log /config.status /config/autoconf/ +/config/libsocketcan.pc /config/m4/libtool.m4 /config/m4/ltoptions.m4 /config/m4/ltsugar.m4 /config/m4/ltversion.m4 /config/m4/lt~obsolete.m4 +/include/libsocketcan_config.h.in /asc2log /bcmserver diff --git a/CMakeLists.txt b/CMakeLists.txt index c6b38896..8f5c1b50 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,6 +1,11 @@ cmake_minimum_required(VERSION 3.3) project(can-utils LANGUAGES C) +set(LIB_CURRENT 4) +set(LIB_REVISION 1) +set(LIB_AGE 2) +math(EXPR LIB_SOVERSION "${LIB_CURRENT} - ${LIB_AGE}") +set(LIB_VERSION ${LIB_SOVERSION}.${LIB_AGE}.${LIB_REVISION}) include (GNUInstallDirs) @@ -14,6 +19,7 @@ endif() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-parentheses") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing") +set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FILE_OFFSET_BITS=64") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSO_RXQ_OVFL=40") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPF_CAN=29") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DAF_CAN=PF_CAN") @@ -73,6 +79,35 @@ add_library(j1939 STATIC libj1939.c ) +add_library(socketcan SHARED + libsocketcan.c +) + +set(prefix ${CMAKE_INSTALL_PREFIX}) +set(exec_prefix \${prefix}) +set(libdir \${exec_prefix}/${CMAKE_INSTALL_LIBDIR}) +set(includedir \${prefix}/${CMAKE_INSTALL_INCLUDEDIR}) +configure_file(config/libsocketcan.pc.in config/libsocketcan.pc @ONLY) +install( + FILES ${CMAKE_CURRENT_BINARY_DIR}/config/libsocketcan.pc + DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig +) + +set_target_properties(socketcan + PROPERTIES PUBLIC_HEADER include/libsocketcan.h + SOVERSION ${LIB_SOVERSION} + VERSION ${LIB_VERSION} +) + +install(TARGETS socketcan + LIBRARY + DESTINATION lib + COMPONENT Development + PUBLIC_HEADER + DESTINATION include + COMPONENT Development +) + foreach(name ${PROGRAMS}) add_executable(${name} ${name}.c) diff --git a/Documentation/main.dox b/Documentation/main.dox new file mode 100644 index 00000000..a060a8be --- /dev/null +++ b/Documentation/main.dox @@ -0,0 +1,9 @@ +/** @mainpage libsocketcan + +This is libsocketcan, a userspace library to do some common tasks while dealing +with the socketcan Framework. + +@defgroup extern External API +@defgroup intern Interally used callbacks and structures + +*/ diff --git a/Doxyfile b/Doxyfile new file mode 100644 index 00000000..14323be7 --- /dev/null +++ b/Doxyfile @@ -0,0 +1,1298 @@ +# Doxyfile 1.5.3 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file that +# follow. The default is UTF-8 which is also the encoding used for all text before +# the first occurrence of this tag. Doxygen uses libiconv (or the iconv built into +# libc) for the transcoding. See http://www.gnu.org/software/libiconv for the list of +# possible encodings. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = libsocketcan + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = v0.0.5 + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. If left blank the current directory will be used. + +OUTPUT_DIRECTORY = Documentation + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create +# 4096 sub-directories (in 2 levels) under the output directory of each output +# format and will distribute the generated files over these directories. +# Enabling this option can be useful when feeding doxygen a huge amount of +# source files, where putting all generated files in the same directory would +# otherwise cause performance problems for the file system. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, +# Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, +# Italian, Japanese, Japanese-en (Japanese with English messages), Korean, +# Korean-en, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, +# Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian. + +OUTPUT_LANGUAGE = English + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. Each string +# in this list, if found as the leading text of the brief description, will be +# stripped from the text and the result after processing the whole list, is +# used as the annotated text. Otherwise, the brief description is used as-is. +# If left blank, the following values are used ("$name" is automatically +# replaced with the name of the entity): "The $name class" "The $name widget" +# "The $name file" "is" "provides" "specifies" "contains" +# "represents" "a" "an" "the" + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# Doxygen will generate a detailed section even if there is only a brief +# description. + +ALWAYS_DETAILED_SEC = NO + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all +# inherited members of a class in the documentation of that class as if those +# members were ordinary class members. Constructors, destructors and assignment +# operators of the base classes will not be shown. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full +# path before files name in the file list and in the header files. If set +# to NO the shortest path that makes the file name unique will be used. + +FULL_PATH_NAMES = YES + +# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag +# can be used to strip a user-defined part of the path. Stripping is +# only done if one of the specified strings matches the left-hand part of +# the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the +# path to strip. + +STRIP_FROM_PATH = + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of +# the path mentioned in the documentation of a class, which tells +# the reader which header file to include in order to use a class. +# If left blank only the name of the header file containing the class +# definition is used. Otherwise one should specify the include paths that +# are normally passed to the compiler using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter +# (but less readable) file names. This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like regular Qt-style comments +# (thus requiring an explicit @brief command for a brief description.) + +JAVADOC_AUTOBRIEF = YES + +# If the QT_AUTOBRIEF tag is set to YES then Doxygen will +# interpret the first line (until the first dot) of a Qt-style +# comment as the brief description. If set to NO, the comments +# will behave just like regular Qt-style comments (thus requiring +# an explicit \brief command for a brief description.) + +QT_AUTOBRIEF = YES + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. This used to be the default behaviour. +# The new default is to treat a multi-line C++ comment block as a detailed +# description. Set this tag to YES if you prefer the old behaviour instead. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the DETAILS_AT_TOP tag is set to YES then Doxygen +# will output the detailed description near the top, like JavaDoc. +# If set to NO, the detailed description appears after the member +# documentation. + +DETAILS_AT_TOP = YES + +# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented +# member inherits the documentation from any documented member that it +# re-implements. + +INHERIT_DOCS = NO + +# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce +# a new page for each member. If set to NO, the documentation of a member will +# be part of the file/class/namespace that contains it. + +SEPARATE_MEMBER_PAGES = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. +# Doxygen uses this value to replace tabs by spaces in code fragments. + +TAB_SIZE = 8 + +# This tag can be used to specify a number of aliases that acts +# as commands in the documentation. An alias has the form "name=value". +# For example adding "sideeffect=\par Side Effects:\n" will allow you to +# put the command \sideeffect (or @sideeffect) in the documentation, which +# will result in a user-defined paragraph with heading "Side Effects:". +# You can put \n's in the value part of an alias to insert newlines. + +ALIASES = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C +# sources only. Doxygen will then generate output that is more tailored for C. +# For instance, some of the names that are used will be different. The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = YES + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java +# sources only. Doxygen will then generate output that is more tailored for Java. +# For instance, namespaces will be presented as packages, qualified scopes +# will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to +# include (a tag file for) the STL sources as input, then you should +# set this tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. +# func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. + +BUILTIN_STL_SUPPORT = NO + +# If you use Microsoft's C++/CLI language, you should set this option to YES to +# enable parsing support. + +CPP_CLI_SUPPORT = NO + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. + +DISTRIBUTE_GROUP_DOC = NO + +# Set the SUBGROUPING tag to YES (the default) to allow class member groups of +# the same type (for instance a group of public functions) to be put as a +# subgroup of that type (e.g. under the Public Functions section). Set it to +# NO to prevent subgrouping. Alternatively, this can be done per class using +# the \nosubgrouping command. + +SUBGROUPING = YES + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. +# Private class members and static file members will be hidden unless +# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES + +EXTRACT_ALL = NO + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class +# will be included in the documentation. + +EXTRACT_PRIVATE = NO + +# If the EXTRACT_STATIC tag is set to YES all static members of a file +# will be included in the documentation. + +EXTRACT_STATIC = YES + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) +# defined locally in source files will be included in the documentation. +# If set to NO only classes defined in header files are included. + +EXTRACT_LOCAL_CLASSES = NO + +# This flag is only useful for Objective-C code. When set to YES local +# methods, which are defined in the implementation section but not in +# the interface are included in the documentation. +# If set to NO (the default) only methods in the interface are included. + +EXTRACT_LOCAL_METHODS = NO + +# If this flag is set to YES, the members of anonymous namespaces will be extracted +# and appear in the documentation as a namespace called 'anonymous_namespace{file}', +# where file will be replaced with the base name of the file that contains the anonymous +# namespace. By default anonymous namespace are hidden. + +EXTRACT_ANON_NSPACES = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all +# undocumented members of documented classes, files or namespaces. +# If set to NO (the default) these members will be included in the +# various overviews, but no documentation section is generated. +# This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. +# If set to NO (the default) these classes will be included in the various +# overviews. This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all +# friend (class|struct|union) declarations. +# If set to NO (the default) these declarations will be included in the +# documentation. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any +# documentation blocks found inside the body of a function. +# If set to NO (the default) these blocks will be appended to the +# function's detailed documentation block. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation +# that is typed after a \internal command is included. If the tag is set +# to NO (the default) then the documentation will be excluded. +# Set it to YES to include the internal documentation. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate +# file names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen +# will show members with their full class and namespace scopes in the +# documentation. If set to YES the scope will be hidden. + +HIDE_SCOPE_NAMES = NO + +# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen +# will put a list of the files that are included by a file in the documentation +# of that file. + +SHOW_INCLUDE_FILES = YES + +# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] +# is inserted in the documentation for inline members. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen +# will sort the (detailed) documentation of file and class members +# alphabetically by member name. If set to NO the members will appear in +# declaration order. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the +# brief documentation of file, namespace and class members alphabetically +# by member name. If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is NO. + +SHOW_DIRECTORIES = NO + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from the +# version control system). Doxygen will invoke the program by executing (via +# popen()) the command , where is the value of +# the FILE_VERSION_FILTER tag, and is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = YES + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = NO + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be abled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text " + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = include \ + src \ + Documentation + +# This tag can be used to specify the character encoding of the source files that +# doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default +# input encoding. Doxygen uses libiconv (or the iconv built into libc) for the transcoding. +# See http://www.gnu.org/software/libiconv for the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py + +FILE_PATTERNS = *.c \ + *.h \ + *.dox + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = YES + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the output. +# The symbol name can be a fully qualified name, a word, or if the wildcard * is used, +# a substring. Examples: ANamespace, AClass, AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +# EXAMPLE_PATH = Documentation/examples/ + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +# IMAGE_PATH = Documentation/images/ + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command , where +# is the value of the INPUT_FILTER tag, and is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. If you have enabled CALL_GRAPH or CALLER_GRAPH +# then you must also enable this option. If you don't then doxygen will produce +# a warning and turn it on anyway + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES (the default) +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES (the default) +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = YES + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. Otherwise they will link to the documentstion. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = YES + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compressed HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. For this to work a browser that supports +# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox +# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). + +HTML_DYNAMIC_SECTIONS = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = YES + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be +# generated containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. + +GENERATE_TREEVIEW = YES + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = NO + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = NO + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = NO + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = NO + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse +# the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = YES + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option is superseded by the HAVE_DOT option below. This is only a +# fallback. It is recommended to install and use dot, since it yields more +# powerful graphs. + +CLASS_DIAGRAMS = YES + +# You can define message sequence charts within doxygen comments using the \msc +# command. Doxygen will then run the mscgen tool (see http://www.mcternan.me.uk/mscgen/) to +# produce the chart and insert it in the documentation. The MSCGEN_PATH tag allows you to +# specify the directory where the mscgen tool resides. If left empty the tool is assumed to +# be found in the default search path. + +MSCGEN_PATH = + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = YES + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = YES + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH, SOURCE_BROWSER and HAVE_DOT tags are set to YES then doxygen will +# generate a call dependency graph for every global function or class method. +# Note that enabling this option will significantly increase the time of a run. +# So in most cases it will be better to enable call graphs for selected +# functions only using the \callgraph command. + +CALL_GRAPH = YES + +# If the CALLER_GRAPH, SOURCE_BROWSER and HAVE_DOT tags are set to YES then doxygen will +# generate a caller dependency graph for every global function or class method. +# Note that enabling this option will significantly increase the time of a run. +# So in most cases it will be better to enable caller graphs for selected +# functions only using the \callergraph command. + +CALLER_GRAPH = YES + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The MAX_DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of +# nodes that will be shown in the graph. If the number of nodes in a graph +# becomes larger than this value, doxygen will truncate the graph, which is +# visualized by representing a node as a red box. Note that doxygen if the number +# of direct children of the root node in a graph is already larger than +# MAX_DOT_GRAPH_NOTES then the graph will not be shown at all. Also note +# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. + +DOT_GRAPH_MAX_NODES = 50 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that the size of a graph can be further restricted by +# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. + +MAX_DOT_GRAPH_DEPTH = 0 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is disabled by default, which results in a white background. +# Warning: Depending on the platform used, enabling this option may lead to +# badly anti-aliased labels on the edges of a graph (i.e. they become hard to +# read). + +DOT_TRANSPARENT = NO + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = YES + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = NO + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to the search engine +#--------------------------------------------------------------------------- + +# The SEARCHENGINE tag specifies whether or not a search engine should be +# used. If set to NO the values of all tags below this one will be ignored. + +SEARCHENGINE = NO diff --git a/GNUmakefile.am b/GNUmakefile.am index 703b9179..75e1497e 100644 --- a/GNUmakefile.am +++ b/GNUmakefile.am @@ -24,11 +24,22 @@ noinst_HEADERS = \ include/linux/can/raw.h \ include/linux/can/vxcan.h +nobase_include_HEADERS = \ + include/libsocketcan.h + +lib_LTLIBRARIES = \ + libsocketcan.la noinst_LTLIBRARIES = \ libcan.la \ libj1939.la +libsocketcan_la_SOURCES = \ + libsocketcan.c + +libsocketcan_la_LDFLAGS = \ + -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE) + libcan_la_SOURCES = \ lib.c \ canframelen.c @@ -72,12 +83,20 @@ jsr_LDADD = libj1939.la testj1939_LDADD = libj1939.la EXTRA_DIST = \ + .gitignore \ .travis.yml \ Android.mk \ + CMakeLists.txt \ + Documentation/main.dox \ + Doxyfile \ + Makefile \ README.md \ autogen.sh \ - can-j1939-kickstart.md - can-j1939.md + can-j1939-kickstart.md \ + can-j1939.md \ + cmake/make_uninstall.cmake \ + page.theme \ + style.css MAINTAINERCLEANFILES = \ configure \ @@ -102,3 +121,9 @@ MAINTAINERCLEANFILES = \ maintainer-clean-local: -chmod -R a+rw $(distdir) -rm -fr $(distdir) + +docs: htmldocs + +htmldocs: + @echo 'Running doxygen with local Doxyfile' + -doxygen Doxyfile diff --git a/config/libsocketcan.pc.in b/config/libsocketcan.pc.in new file mode 100644 index 00000000..237ed1d4 --- /dev/null +++ b/config/libsocketcan.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libsocketcan +Description: provides access to socketcan configuration interface +Requires: +Version: @VERSION@ +Libs: -L${libdir} -lsocketcan +Cflags: -I${includedir} diff --git a/config/m4/.secret-world-domination-project b/config/m4/.secret-world-domination-project deleted file mode 100644 index e69de29b..00000000 diff --git a/configure.ac b/configure.ac index fdfc300d..f28aea79 100644 --- a/configure.ac +++ b/configure.ac @@ -3,20 +3,38 @@ AC_PREREQ([2.59]) AC_INIT([can-utils],[trunk],[linux-can@vger.kernel.org]) +AC_CONFIG_HEADERS([include/libsocketcan_config.h]) AC_CONFIG_SRCDIR([lib.c]) AC_CONFIG_MACRO_DIR([config/m4]) AC_CONFIG_AUX_DIR([config/autoconf]) AC_CANONICAL_BUILD AC_CANONICAL_HOST -#AM_MAINTAINER_MODE - CFLAGS="${CFLAGS} -Wall" +# +# libtool library versioning stuff +# +# Library code modified: REVISION++ +# Interfaces changed/added/removed: CURRENT++ REVISION=0 +# Interfaces added: AGE++ +# Interfaces removed: AGE=0 +# +# Adjust CMakeLists.txt, too. +# +LT_CURRENT=4 +LT_REVISION=1 +LT_AGE=2 +AC_SUBST(LT_CURRENT) +AC_SUBST(LT_REVISION) +AC_SUBST(LT_AGE) + + # # Checks for programs. # AC_PROG_CC +AC_PROG_INSTALL LT_INIT(win32-dll) AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2]) @@ -25,52 +43,87 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) # # Checks for header files. # +AC_HEADER_DIRENT +AC_HEADER_STDC +AC_HEADER_SYS_WAIT +AC_HEADER_TIME +AC_CHECK_HEADER_STDBOOL AC_CHECK_HEADERS([ \ fcntl.h \ + inttypes.h \ limits.h \ locale.h \ + locale.h \ + netdb.h \ + netinet/in.h \ + stddef.h \ stdint.h \ stdlib.h \ string.h \ syslog.h \ termios.h \ unistd.h \ + utime.h \ \ + arpa/inet.h \ netinet/in.h \ \ sys/ioctl.h \ + sys/param.h \ sys/socket.h \ sys/time.h \ + sys/un.h \ ]) # # Checks for typedefs, structures, and compiler characteristics. # +AC_C_CONST AC_C_INLINE AC_SYS_LARGEFILE +AC_TYPE_INT8_T AC_TYPE_OFF_T AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_TYPE_SSIZE_T +AC_TYPE_UINT8_T +AC_TYPE_UINT16_T +AC_TYPE_UINT32_T AC_TYPE_UINT64_T # # Checks for library functions. # +AC_FUNC_ERROR_AT_LINE AC_FUNC_FORK +AC_FUNC_MALLOC +AC_FUNC_MEMCMP AC_FUNC_MKTIME +AC_FUNC_STAT +AC_FUNC_STRTOD +AC_FUNC_UTIME_NULL AC_CHECK_FUNCS([ \ alarm \ + gethostbyaddr \ + gethostbyname \ + gethostname \ gettimeofday \ localtime_r \ memset \ + memset \ + mkdir \ select \ setlocale \ socket \ strchr \ strerror \ strstr \ + strtol \ strtoul \ + strtoull \ + utime \ ]) # glibc versions before 2.17 needs to link with -lrt for clock_nanosleep @@ -88,7 +141,7 @@ AC_CHECK_DECL(AF_CAN,, AC_CHECK_DECL(N_SLCAN,, [AC_DEFINE([N_SLCAN], [17], [N_SLCAN])] ) -AC_DEFINE(_GNU_SOURCE) +AC_DEFINE(_GNU_SOURCE, [], [Define _GNU_SOURCE]) # @@ -111,7 +164,25 @@ else fi +# +# Error logging +# +AC_MSG_CHECKING([whether to enable error logging]) +AC_ARG_ENABLE(error-log, + AS_HELP_STRING([--enable-error-log], [enable error log @<:@default=yes@:>@]), + [case "$enableval" in + y | yes) CONFIG_ERROR_LOG=yes ;; + *) CONFIG_ERROR_LOG=no ;; + esac], + [CONFIG_ERROR_LOG=yes]) +AC_MSG_RESULT([${CONFIG_ERROR_LOG}]) +if test "${CONFIG_ERROR_LOG}" = "no"; then + AC_DEFINE(DISABLE_ERROR_LOG, 1, [disable error logging]) +fi + + AC_CONFIG_FILES([ GNUmakefile + config/libsocketcan.pc ]) AC_OUTPUT diff --git a/include/libsocketcan.h b/include/libsocketcan.h new file mode 100644 index 00000000..401a4d82 --- /dev/null +++ b/include/libsocketcan.h @@ -0,0 +1,61 @@ +/* + * libsocketcan.h + * + * (C) 2009 Luotao Fu + * + * This library is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2.1 of the License, or (at your option) + * any later version. + * + * This library is distributed in the hope that it will be useful, but without + * any warranty; without even the implied warranty of merchantability or fitness + * for a particular purpose. see the gnu lesser general public license for more + * details. + * + * you should have received a copy of the gnu lesser general public license + * along with this library; if not, write to the free software foundation, inc., + * 59 temple place, suite 330, boston, ma 02111-1307 usa + */ + +#ifndef _socketcan_netlink_h +#define _socketcan_netlink_h + +/** + * @file + * @brief API overview + */ + +#include + +struct rtnl_link_stats64; /* from */ + +#ifdef __cplusplus +extern "C" { +#endif + +int can_do_restart(const char *name); +int can_do_stop(const char *name); +int can_do_start(const char *name); + +int can_set_restart_ms(const char *name, __u32 restart_ms); +int can_set_bittiming(const char *name, struct can_bittiming *bt); +int can_set_ctrlmode(const char *name, struct can_ctrlmode *cm); +int can_set_bitrate(const char *name, __u32 bitrate); +int can_set_bitrate_samplepoint(const char *name, __u32 bitrate, __u32 sample_point); + +int can_get_restart_ms(const char *name, __u32 *restart_ms); +int can_get_bittiming(const char *name, struct can_bittiming *bt); +int can_get_ctrlmode(const char *name, struct can_ctrlmode *cm); +int can_get_state(const char *name, int *state); +int can_get_clock(const char *name, struct can_clock *clock); +int can_get_bittiming_const(const char *name, struct can_bittiming_const *btc); +int can_get_berr_counter(const char *name, struct can_berr_counter *bc); +int can_get_device_stats(const char *name, struct can_device_stats *cds); +int can_get_link_stats(const char *name, struct rtnl_link_stats64 *rls); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libsocketcan.c b/libsocketcan.c new file mode 100644 index 00000000..c802849f --- /dev/null +++ b/libsocketcan.c @@ -0,0 +1,1207 @@ +/* libsocketcan.c + * + * (C) 2009 Luotao Fu + * + * This library is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2.1 of the License, or (at your option) + * any later version. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more + * details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/** + * @file + * @brief library code + */ + +#ifdef HAVE_CONFIG_H +#include "libsocketcan_config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +/* Define DISABLE_ERROR_LOG to disable printing of error messages to stderr. */ +#ifdef DISABLE_ERROR_LOG +#define perror(x) +#define fprintf(...) +#endif + +#define parse_rtattr_nested(tb, max, rta) \ + (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta))) + +#define NLMSG_TAIL(nmsg) \ + ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len))) + +#define IFLA_CAN_MAX (__IFLA_CAN_MAX - 1) + +#define IF_UP 1 +#define IF_DOWN 2 + +#define GET_STATE 1 +#define GET_RESTART_MS 2 +#define GET_BITTIMING 3 +#define GET_CTRLMODE 4 +#define GET_CLOCK 5 +#define GET_BITTIMING_CONST 6 +#define GET_BERR_COUNTER 7 +#define GET_XSTATS 8 +#define GET_LINK_STATS 9 + +struct get_req { + struct nlmsghdr n; + struct ifinfomsg i; +}; + +struct set_req { + struct nlmsghdr n; + struct ifinfomsg i; + char buf[1024]; +}; + +struct req_info { + __u8 restart; + __u8 disable_autorestart; + __u32 restart_ms; + struct can_ctrlmode *ctrlmode; + struct can_bittiming *bittiming; +}; + +/** + * @brief this method parse attributions of link info + * + * @param tb: point array of struct rtattr point + * @param max: index of the last element in array tb + * @param rtattr: point of link info data + * @param len: length of link info data + */ +static void +parse_rtattr(struct rtattr **tb, int max, struct rtattr *rta, int len) +{ + memset(tb, 0, sizeof(*tb) * (max + 1)); + while (RTA_OK(rta, len)) { + if (rta->rta_type <= max) { + tb[rta->rta_type] = rta; + } + + rta = RTA_NEXT(rta, len); + } +} + +static int addattr32(struct nlmsghdr *n, size_t maxlen, int type, __u32 data) +{ + int len = RTA_LENGTH(4); + struct rtattr *rta; + + if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) { + fprintf(stderr, + "addattr32: Error! max allowed bound %zu exceeded\n", + maxlen); + return -1; + } + + rta = NLMSG_TAIL(n); + rta->rta_type = type; + rta->rta_len = len; + memcpy(RTA_DATA(rta), &data, 4); + n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len; + + return 0; +} + +static int addattr_l(struct nlmsghdr *n, size_t maxlen, int type, + const void *data, int alen) +{ + int len = RTA_LENGTH(alen); + struct rtattr *rta; + + if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) { + fprintf(stderr, + "addattr_l ERROR: message exceeded bound of %zu\n", + maxlen); + return -1; + } + + rta = NLMSG_TAIL(n); + rta->rta_type = type; + rta->rta_len = len; + memcpy(RTA_DATA(rta), data, alen); + n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len); + + return 0; +} + +/** + * @ingroup intern + * @brief send_mod_request - send a linkinfo modification request + * + * @param fd decriptor to a priorly opened netlink socket + * @param n netlink message containing the request + * + * sends a request to setup the the linkinfo to netlink layer and awaits the + * status. + * + * @return 0 if success + * @return negativ if failed + */ +static int send_mod_request(int fd, struct nlmsghdr *n) +{ + int status; + struct sockaddr_nl nladdr; + struct nlmsghdr *h; + + struct iovec iov = { + .iov_base = (void *)n, + .iov_len = n->nlmsg_len + }; + struct msghdr msg = { + .msg_name = &nladdr, + .msg_namelen = sizeof(nladdr), + .msg_iov = &iov, + .msg_iovlen = 1, + }; + char buf[16384]; + + memset(&nladdr, 0, sizeof(nladdr)); + + nladdr.nl_family = AF_NETLINK; + nladdr.nl_pid = 0; + nladdr.nl_groups = 0; + + n->nlmsg_seq = 0; + n->nlmsg_flags |= NLM_F_ACK; + + status = sendmsg(fd, &msg, 0); + + if (status < 0) { + perror("Cannot talk to rtnetlink"); + return -1; + } + + iov.iov_base = buf; + while (1) { + iov.iov_len = sizeof(buf); + status = recvmsg(fd, &msg, 0); + for (h = (struct nlmsghdr *)buf; (size_t) status >= sizeof(*h);) { + int len = h->nlmsg_len; + int l = len - sizeof(*h); + if (l < 0 || len > status) { + if (msg.msg_flags & MSG_TRUNC) { + fprintf(stderr, "Truncated message\n"); + return -1; + } + fprintf(stderr, + "!!!malformed message: len=%d\n", len); + return -1; + } + + if (h->nlmsg_type == NLMSG_ERROR) { + struct nlmsgerr *err = + (struct nlmsgerr *)NLMSG_DATA(h); + if ((size_t) l < sizeof(struct nlmsgerr)) { + fprintf(stderr, "ERROR truncated\n"); + } else { + errno = -err->error; + if (errno == 0) + return 0; + + perror("RTNETLINK answers"); + } + return -1; + } + status -= NLMSG_ALIGN(len); + h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len)); + } + } + + return 0; +} + +/** + * @ingroup intern + * @brief send_dump_request - send a dump linkinfo request + * + * @param fd decriptor to a priorly opened netlink socket + * @param name network interface name, null means all interfaces + * @param family rt_gen message family + * @param type netlink message header type + * + * @return 0 if success + * @return negativ if failed + */ +static int send_dump_request(int fd, const char *name, int family, int type) +{ + struct get_req req; + + memset(&req, 0, sizeof(req)); + + req.n.nlmsg_len = sizeof(req); + req.n.nlmsg_type = type; + req.n.nlmsg_flags = NLM_F_REQUEST; + req.n.nlmsg_pid = 0; + req.n.nlmsg_seq = 0; + + req.i.ifi_family = family; + /* + * If name is null, set flag to dump link information from all + * interfaces otherwise, just dump specified interface's link + * information. + */ + if (name == NULL) { + req.n.nlmsg_flags |= NLM_F_DUMP; + } else { + req.i.ifi_index = if_nametoindex(name); + if (req.i.ifi_index == 0) { + fprintf(stderr, "Cannot find device \"%s\"\n", name); + return -1; + } + } + + return send(fd, (void *)&req, sizeof(req), 0); +} + +/** + * @ingroup intern + * @brief open_nl_sock - open a netlink socket + * + * opens a netlink socket and returns the socket descriptor + * + * @return 0 if success + * @return negativ if failed + */ +static int open_nl_sock() +{ + int fd; + int sndbuf = 32768; + int rcvbuf = 32768; + unsigned int addr_len; + struct sockaddr_nl local; + + fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + if (fd < 0) { + perror("Cannot open netlink socket"); + return -1; + } + + setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void *)&sndbuf, sizeof(sndbuf)); + + setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void *)&rcvbuf, sizeof(rcvbuf)); + + memset(&local, 0, sizeof(local)); + local.nl_family = AF_NETLINK; + local.nl_groups = 0; + + if (bind(fd, (struct sockaddr *)&local, sizeof(local)) < 0) { + perror("Cannot bind netlink socket"); + return -1; + } + + addr_len = sizeof(local); + if (getsockname(fd, (struct sockaddr *)&local, &addr_len) < 0) { + perror("Cannot getsockname"); + return -1; + } + if (addr_len != sizeof(local)) { + fprintf(stderr, "Wrong address length %u\n", addr_len); + return -1; + } + if (local.nl_family != AF_NETLINK) { + fprintf(stderr, "Wrong address family %d\n", local.nl_family); + return -1; + } + return fd; +} + +/** + * @ingroup intern + * @brief do_get_nl_link - get linkinfo + * + * @param fd socket file descriptor to a priorly opened netlink socket + * @param acquire which parameter we want to get + * @param name name of the can device. This is the netdev name, as ifconfig -a + * shows in your system. usually it contains prefix "can" and the numer of the + * can line. e.g. "can0" + * @param res pointer to store the result + * + * This callback send a dump request into the netlink layer, collect the packet + * containing the linkinfo and fill the pointer res points to depending on the + * acquire mode set in param acquire. + * + * @return 0 if success + * @return -1 if failed + */ + +static int do_get_nl_link(int fd, __u8 acquire, const char *name, void *res) +{ + struct sockaddr_nl peer; + + char cbuf[64]; + char nlbuf[1024 * 8]; + + int ret = -1; + int done = 0; + + struct iovec iov = { + .iov_base = (void *)nlbuf, + .iov_len = sizeof(nlbuf), + }; + + struct msghdr msg = { + .msg_name = (void *)&peer, + .msg_namelen = sizeof(peer), + .msg_iov = &iov, + .msg_iovlen = 1, + .msg_control = &cbuf, + .msg_controllen = sizeof(cbuf), + .msg_flags = 0, + }; + struct nlmsghdr *nl_msg; + ssize_t msglen; + + struct rtattr *linkinfo[IFLA_INFO_MAX + 1]; + struct rtattr *can_attr[IFLA_CAN_MAX + 1]; + + if (send_dump_request(fd, name, AF_PACKET, RTM_GETLINK) < 0) { + perror("Cannot send dump request"); + return ret; + } + + while (!done && (msglen = recvmsg(fd, &msg, 0)) > 0) { + size_t u_msglen = (size_t) msglen; + /* Check to see if the buffers in msg get truncated */ + if (msg.msg_namelen != sizeof(peer) || + (msg.msg_flags & (MSG_TRUNC | MSG_CTRUNC))) { + fprintf(stderr, "Uhoh... truncated message.\n"); + return -1; + } + + for (nl_msg = (struct nlmsghdr *)nlbuf; + NLMSG_OK(nl_msg, u_msglen); + nl_msg = NLMSG_NEXT(nl_msg, u_msglen)) { + int type = nl_msg->nlmsg_type; + int len; + + if (type == NLMSG_DONE) { + done++; + continue; + } + if (type != RTM_NEWLINK) + continue; + + struct ifinfomsg *ifi = NLMSG_DATA(nl_msg); + struct rtattr *tb[IFLA_MAX + 1]; + + len = + nl_msg->nlmsg_len - NLMSG_LENGTH(sizeof(struct ifaddrmsg)); + parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len); + + /* Finish process if the reply message is matched */ + if (strcmp((char *)RTA_DATA(tb[IFLA_IFNAME]), name) == 0) + done++; + else + continue; + + if (acquire == GET_LINK_STATS) { + if (!tb[IFLA_STATS64]) { + fprintf(stderr, "no link statistics (64-bit) found\n"); + } else { + memcpy(res, RTA_DATA(tb[IFLA_STATS64]), sizeof(struct rtnl_link_stats64)); + ret = 0; + } + continue; + } + + if (tb[IFLA_LINKINFO]) + parse_rtattr_nested(linkinfo, + IFLA_INFO_MAX, tb[IFLA_LINKINFO]); + else + continue; + + if (acquire == GET_XSTATS) { + if (!linkinfo[IFLA_INFO_XSTATS]) + fprintf(stderr, "no can statistics found\n"); + else { + memcpy(res, RTA_DATA(linkinfo[IFLA_INFO_XSTATS]), + sizeof(struct can_device_stats)); + ret = 0; + } + continue; + } + + if (!linkinfo[IFLA_INFO_DATA]) { + fprintf(stderr, "no link data found\n"); + return ret; + } + + parse_rtattr_nested(can_attr, IFLA_CAN_MAX, + linkinfo[IFLA_INFO_DATA]); + + switch (acquire) { + case GET_STATE: + if (can_attr[IFLA_CAN_STATE]) { + *((int *)res) = *((__u32 *) + RTA_DATA(can_attr + [IFLA_CAN_STATE])); + ret = 0; + } else { + fprintf(stderr, "no state data found\n"); + } + + break; + case GET_RESTART_MS: + if (can_attr[IFLA_CAN_RESTART_MS]) { + *((__u32 *) res) = *((__u32 *) + RTA_DATA(can_attr + [IFLA_CAN_RESTART_MS])); + ret = 0; + } else + fprintf(stderr, "no restart_ms data found\n"); + + break; + case GET_BITTIMING: + if (can_attr[IFLA_CAN_BITTIMING]) { + memcpy(res, + RTA_DATA(can_attr[IFLA_CAN_BITTIMING]), + sizeof(struct can_bittiming)); + ret = 0; + } else + fprintf(stderr, "no bittiming data found\n"); + + break; + case GET_CTRLMODE: + if (can_attr[IFLA_CAN_CTRLMODE]) { + memcpy(res, + RTA_DATA(can_attr[IFLA_CAN_CTRLMODE]), + sizeof(struct can_ctrlmode)); + ret = 0; + } else + fprintf(stderr, "no ctrlmode data found\n"); + + break; + case GET_CLOCK: + if (can_attr[IFLA_CAN_CLOCK]) { + memcpy(res, + RTA_DATA(can_attr[IFLA_CAN_CLOCK]), + sizeof(struct can_clock)); + ret = 0; + } else + fprintf(stderr, + "no clock parameter data found\n"); + + break; + case GET_BITTIMING_CONST: + if (can_attr[IFLA_CAN_BITTIMING_CONST]) { + memcpy(res, + RTA_DATA(can_attr[IFLA_CAN_BITTIMING_CONST]), + sizeof(struct can_bittiming_const)); + ret = 0; + } else + fprintf(stderr, "no bittiming_const data found\n"); + + break; + case GET_BERR_COUNTER: + if (can_attr[IFLA_CAN_BERR_COUNTER]) { + memcpy(res, + RTA_DATA(can_attr[IFLA_CAN_BERR_COUNTER]), + sizeof(struct can_berr_counter)); + ret = 0; + } else + fprintf(stderr, "no berr_counter data found\n"); + + break; + + default: + fprintf(stderr, "unknown acquire mode\n"); + } + } + } + + return ret; +} + +/** + * @ingroup intern + * @brief get_link - get linkinfo + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param acquire which parameter we want to get + * @param res pointer to store the result + * + * This is a wrapper for do_get_nl_link + * + * @return 0 if success + * @return -1 if failed + */ +static int get_link(const char *name, __u8 acquire, void *res) +{ + int err, fd; + + fd = open_nl_sock(); + if (fd < 0) + return -1; + + err = do_get_nl_link(fd, acquire, name, res); + close(fd); + + return err; + +} + +/** + * @ingroup intern + * @brief do_set_nl_link - setup linkinfo + * + * @param fd socket file descriptor to a priorly opened netlink socket + * @param if_state state of the interface we want to put the device into. this + * parameter is only set if you want to use the callback to driver up/down the + * device + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param req_info request parameters + * + * This callback can do two different tasks: + * - bring up/down the interface + * - set up a netlink packet with request, as set up in req_info + * Which task this callback will do depends on which parameters are set. + * + * @return 0 if success + * @return -1 if failed + */ +static int do_set_nl_link(int fd, __u8 if_state, const char *name, + struct req_info *req_info) +{ + struct set_req req; + + const char *type = "can"; + + memset(&req, 0, sizeof(req)); + + req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); + req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; + req.n.nlmsg_type = RTM_NEWLINK; + req.i.ifi_family = 0; + + req.i.ifi_index = if_nametoindex(name); + if (req.i.ifi_index == 0) { + fprintf(stderr, "Cannot find device \"%s\"\n", name); + return -1; + } + + if (if_state) { + switch (if_state) { + case IF_DOWN: + req.i.ifi_change |= IFF_UP; + req.i.ifi_flags &= ~IFF_UP; + break; + case IF_UP: + req.i.ifi_change |= IFF_UP; + req.i.ifi_flags |= IFF_UP; + break; + default: + fprintf(stderr, "unknown state\n"); + return -1; + } + } + + if (req_info != NULL) { + /* setup linkinfo section */ + struct rtattr *linkinfo = NLMSG_TAIL(&req.n); + addattr_l(&req.n, sizeof(req), IFLA_LINKINFO, NULL, 0); + addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, + strlen(type)); + /* setup data section */ + struct rtattr *data = NLMSG_TAIL(&req.n); + addattr_l(&req.n, sizeof(req), IFLA_INFO_DATA, NULL, 0); + + if (req_info->restart_ms > 0 || req_info->disable_autorestart) + addattr32(&req.n, 1024, IFLA_CAN_RESTART_MS, + req_info->restart_ms); + + if (req_info->restart) + addattr32(&req.n, 1024, IFLA_CAN_RESTART, 1); + + if (req_info->bittiming != NULL) { + addattr_l(&req.n, 1024, IFLA_CAN_BITTIMING, + req_info->bittiming, + sizeof(struct can_bittiming)); + } + + if (req_info->ctrlmode != NULL) { + addattr_l(&req.n, 1024, IFLA_CAN_CTRLMODE, + req_info->ctrlmode, + sizeof(struct can_ctrlmode)); + } + + /* mark end of data section */ + data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data; + + /* mark end of link info section */ + linkinfo->rta_len = + (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo; + } + + return send_mod_request(fd, &req.n); +} + +/** + * @ingroup intern + * @brief set_link - open a netlink socket and setup linkinfo + * + * @param name name of the can device. This is the netdev name, as ifconfig -a + * shows in your system. usually it contains prefix "can" and the numer of the + * can line. e.g. "can0" + * @param if_state state of the interface we want to put the device into. this + * parameter is only set if you want to use the callback to driver up/down the + * device + * @param req_info request parameters + * + * This is a wrapper for do_set_nl_link. It opens a netlink socket and sends + * down the requests. + * + * @return 0 if success + * @return -1 if failed + */ +static int set_link(const char *name, __u8 if_state, struct req_info *req_info) +{ + int err, fd; + + fd = open_nl_sock(); + if (fd < 0) + return -1; + + err = do_set_nl_link(fd, if_state, name, req_info); + close(fd); + + return err; +} + +/** + * @ingroup extern + * can_do_start - start the can interface + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * + * This starts the can interface with the given name. It simply changes the if + * state of the interface to up. All initialisation works will be done in + * kernel. The if state can also be queried by a simple ifconfig. + * + * @return 0 if success + * @return -1 if failed + */ +int can_do_start(const char *name) +{ + return set_link(name, IF_UP, NULL); +} + +/** + * @ingroup extern + * can_do_stop - stop the can interface + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * + * This stops the can interface with the given name. It simply changes the if + * state of the interface to down. Any running communication would be stopped. + * + * @return 0 if success + * @return -1 if failed + */ +int can_do_stop(const char *name) +{ + return set_link(name, IF_DOWN, NULL); +} + +/** + * @ingroup extern + * can_do_restart - restart the can interface + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * + * This triggers the start mode of the can device. + * + * NOTE: + * - restart mode can only be triggerd if the device is in BUS_OFF and the auto + * restart not turned on (restart_ms == 0) + * + * @return 0 if success + * @return -1 if failed + */ +int can_do_restart(const char *name) +{ + int state; + __u32 restart_ms; + + /* first we check if we can restart the device at all */ + if ((can_get_state(name, &state)) < 0) { + fprintf(stderr, "cannot get bustate, " + "something is seriously wrong\n"); + return -1; + } else if (state != CAN_STATE_BUS_OFF) { + fprintf(stderr, + "Device is not in BUS_OFF," " no use to restart\n"); + return -1; + } + + if ((can_get_restart_ms(name, &restart_ms)) < 0) { + fprintf(stderr, "cannot get restart_ms, " + "something is seriously wrong\n"); + return -1; + } else if (restart_ms > 0) { + fprintf(stderr, + "auto restart with %ums interval is turned on," + " no use to restart\n", restart_ms); + return -1; + } + + struct req_info req_info = { + .restart = 1, + }; + + return set_link(name, 0, &req_info); +} + +/** + * @ingroup extern + * can_set_restart_ms - set interval of auto restart. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param restart_ms interval of auto restart in milliseconds + * + * This sets how often the device shall automatically restart the interface in + * case that a bus_off is detected. + * + * @return 0 if success + * @return -1 if failed + */ +int can_set_restart_ms(const char *name, __u32 restart_ms) +{ + struct req_info req_info = { + .restart_ms = restart_ms, + }; + + if (restart_ms == 0) + req_info.disable_autorestart = 1; + + return set_link(name, 0, &req_info); +} + +/** + * @ingroup extern + * can_set_ctrlmode - setup the control mode. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * + * @param cm pointer of a can_ctrlmode struct + * + * This sets the control mode of the can device. There are currently the + * following modes available (each mapped to its own macro): + * + * @code + * #define CAN_CTRLMODE_LOOPBACK 0x01 // Loopback mode + * #define CAN_CTRLMODE_LISTENONLY 0x02 // Listen-only mode + * #define CAN_CTRLMODE_3_SAMPLES 0x04 // Triple sampling mode + * #define CAN_CTRLMODE_ONE_SHOT 0x08 // One-Shot mode + * #define CAN_CTRLMODE_BERR_REPORTING 0x10 // Bus-error reporting + * #define CAN_CTRLMODE_FD 0x20 // CAN FD mode + * #define CAN_CTRLMODE_PRESUME_ACK 0x40 // Ignore missing CAN ACKs + * @endcode + * + * You have to define the control mode struct yourself. A can_ctrlmode struct + * is declared as: + * + * @code + * struct can_ctrlmode { + * __u32 mask; + * __u32 flags; + * } + * @endcode + * + * You can use mask to select modes you want to control and flags to determine + * if you want to turn the selected mode(s) on or off. E. g. the following + * pseudocode will turn the loopback mode on and listenonly mode off: + * + * @code + * struct can_ctrlmode cm; + * memset(&cm, 0, sizeof(cm)); + * cm.mask = CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY; + * cm.flags = CAN_CTRLMODE_LOOPBACK; + * can_set_ctrlmode(candev, &cm); + * @endcode + * + * @return 0 if success + * @return -1 if failed + */ + +int can_set_ctrlmode(const char *name, struct can_ctrlmode *cm) +{ + struct req_info req_info = { + .ctrlmode = cm, + }; + + return set_link(name, 0, &req_info); +} + +/** + * @ingroup extern + * can_set_bittiming - setup the bittiming. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bt pointer to a can_bittiming struct + * + * This sets the bittiming of the can device. This is for advantage usage. In + * normal cases you should use can_set_bitrate to simply define the bitrate and + * let the driver automatically calculate the bittiming. You will only need this + * function if you wish to define the bittiming in expert mode with fully + * manually defined timing values. + * You have to define the bittiming struct yourself. a can_bittiming struct + * consists of: + * + * @code + * struct can_bittiming { + * __u32 bitrate; + * __u32 sample_point; + * __u32 tq; + * __u32 prop_seg; + * __u32 phase_seg1; + * __u32 phase_seg2; + * __u32 sjw; + * __u32 brp; + * } + * @endcode + * + * to define a customized bittiming, you have to define tq, prop_seq, + * phase_seg1, phase_seg2 and sjw. See http://www.can-cia.org/index.php?id=88 + * for more information about bittiming and synchronizations on can bus. + * + * @return 0 if success + * @return -1 if failed + */ + +int can_set_bittiming(const char *name, struct can_bittiming *bt) +{ + struct req_info req_info = { + .bittiming = bt, + }; + + return set_link(name, 0, &req_info); +} + +/** + * @ingroup extern + * can_set_bitrate - setup the bitrate. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bitrate bitrate of the can bus + * + * This is the recommended way to setup the bus bit timing. You only have to + * give a bitrate value here. The exact bit timing will be calculated + * automatically. To use this function, make sure that CONFIG_CAN_CALC_BITTIMING + * is set to y in your kernel configuration. bitrate can be a value between + * 1000(1kbit/s) and 1000000(1000kbit/s). + * + * @return 0 if success + * @return -1 if failed + */ + +int can_set_bitrate(const char *name, __u32 bitrate) +{ + struct can_bittiming bt; + + memset(&bt, 0, sizeof(bt)); + bt.bitrate = bitrate; + + return can_set_bittiming(name, &bt); +} + +/** + * @ingroup extern + * can_set_bitrate_samplepoint - setup the bitrate. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bitrate bitrate of the can bus + * @param sample_point sample point value + * + * This one is similar to can_set_bitrate, only you can additionally set up the + * time point for sampling (sample point) customly instead of using the + * CIA recommended value. sample_point can be a value between 0 and 999. + * + * @return 0 if success + * @return -1 if failed + */ +int can_set_bitrate_samplepoint(const char *name, __u32 bitrate, + __u32 sample_point) +{ + struct can_bittiming bt; + + memset(&bt, 0, sizeof(bt)); + bt.bitrate = bitrate; + bt.sample_point = sample_point; + + return can_set_bittiming(name, &bt); +} + +/** + * @ingroup extern + * can_get_state - get the current state of the device + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param state pointer to store the state + * + * This one stores the current state of the can interface into the given + * pointer. Valid states are: + * - CAN_STATE_ERROR_ACTIVE + * - CAN_STATE_ERROR_WARNING + * - CAN_STATE_ERROR_PASSIVE + * - CAN_STATE_BUS_OFF + * - CAN_STATE_STOPPED + * - CAN_STATE_SLEEPING + * + * The first four states is determined by the value of RX/TX error counter. + * Please see relevant can specification for more information about this. A + * device in STATE_STOPPED is an inactive device. STATE_SLEEPING is not + * implemented on all devices. + * + * @return 0 if success + * @return -1 if failed + */ + +int can_get_state(const char *name, int *state) +{ + return get_link(name, GET_STATE, state); +} + +/** + * @ingroup extern + * can_get_restart_ms - get the current interval of auto restarting. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param restart_ms pointer to store the value. + * + * This one stores the current interval of auto restarting into the given + * pointer. + * + * The socketcan framework can automatically restart a device if it is in + * bus_off in a given interval. This function gets this value in milliseconds. + * restart_ms == 0 means that autorestarting is turned off. + * + * @return 0 if success + * @return -1 if failed + */ + +int can_get_restart_ms(const char *name, __u32 *restart_ms) +{ + return get_link(name, GET_RESTART_MS, restart_ms); +} + +/** + * @ingroup extern + * can_get_bittiming - get the current bittimnig configuration. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bt pointer to the bittiming struct. + * + * This one stores the current bittiming configuration. + * + * Please see can_set_bittiming for more information about bit timing. + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_bittiming(const char *name, struct can_bittiming *bt) +{ + return get_link(name, GET_BITTIMING, bt); +} + +/** + * @ingroup extern + * can_get_ctrlmode - get the current control mode. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param cm pointer to the ctrlmode struct. + * + * This one stores the current control mode configuration. + * + * Please see can_set_ctrlmode for more information about control modes. + * + * @return 0 if success + * @return -1 if failed + */ + +int can_get_ctrlmode(const char *name, struct can_ctrlmode *cm) +{ + return get_link(name, GET_CTRLMODE, cm); +} + +/** + * @ingroup extern + * can_get_clock - get the current clock struct. + * + * @param name: name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param clock pointer to the clock struct. + * + * This one stores the current clock configuration. At the time of writing the + * can_clock struct only contains information about the clock frequecy. This + * information is e.g. essential while setting up the bit timing. + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_clock(const char *name, struct can_clock *clock) +{ + return get_link(name, GET_CLOCK, clock); +} + +/** + * @ingroup extern + * can_get_bittiming_const - get the current bittimnig constant. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param btc pointer to the bittiming constant struct. + * + * This one stores the hardware dependent bittiming constant. The + * can_bittiming_const struct consists: + * + * @code + * struct can_bittiming_const { + * char name[16]; + * __u32 tseg1_min; + * __u32 tseg1_max; + * __u32 tseg2_min; + * __u32 tseg2_max; + * __u32 sjw_max; + * __u32 brp_min; + * __u32 brp_max; + * __u32 brp_inc; + * }; + * @endcode + * + * The information in this struct is used to calculate the bus bit timing + * automatically. + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_bittiming_const(const char *name, struct can_bittiming_const *btc) +{ + return get_link(name, GET_BITTIMING_CONST, btc); +} + + +/** + * @ingroup extern + * can_get_berr_counter - get the tx/rx error counter. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bc pointer to the error counter struct.. + * + * This one gets the current rx/tx error counter from the hardware. + * + * @code + * struct can_berr_counter { + * __u16 txerr; + * __u16 rxerr; + * }; + * @endcode + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_berr_counter(const char *name, struct can_berr_counter *bc) +{ + return get_link(name, GET_BERR_COUNTER, bc); +} + +/** + * @ingroup extern + * can_get_device_stats - get the can_device_stats. + * + * @param name name of the can device. This is the netdev name, as ifconfig -a shows + * in your system. usually it contains prefix "can" and the numer of the can + * line. e.g. "can0" + * @param bc pointer to the error counter struct.. + * + * This one gets the current can_device_stats. + * + * Please see struct can_device_stats for more information. + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_device_stats(const char *name, struct can_device_stats *cds) +{ + return get_link(name, GET_XSTATS, cds); +} + +/** + * @ingroup extern + * can_get_link_statistics - get RX/TX statistics (64 bits version) + * + * @param name name of the can device. This is the netdev name, as ip link shows + * in your system. usually it contains prefix "can" and the number of the can + * line. e.g. "can0" + * @param rls pointer to the rtnl_link_stats64 struct which is from if_link.h. + * + * This one gets the current rtnl_link_stats64. Compares to the rtnl_link_stats, + * The rtnl_link_stats64 is introduced since linux kernel 2.6. After that the + * rtnl_link_stats is synchronous with struct rtnl_link_stats64 by truncating + * each member from 64 bits to 32 bits. actually, the struct rtnl_link_stats + * is kept for compatibility. + * + * Please see struct rtnl_link_stats64 (/usr/include/linux/if_link.h) for more + * information. + * + * @return 0 if success + * @return -1 if failed + */ +int can_get_link_stats(const char *name, struct rtnl_link_stats64 *rls) +{ + return get_link(name, GET_LINK_STATS, rls); +}