feat: Add version

Signed-off-by: txtsd <[email protected]>

CMakeLists.txt

@@ -2,9 +2,12 @@
 cmake_minimum_required(VERSION 3.24)
 
 # Set the project name
-project(DPITunnel DESCRIPTION "A program for bypassing internet censorship without a proxy server" LANGUAGES CXX)
+file(STRINGS include/dpitunnel.h _raw_version_string REGEX "DPITUNNEL_VERSION \"([0-9]+\\.[0-9]+\\.[0-9]+)\"")
+string(REGEX MATCH "([0-9]+\\.?)+" _dpitunnel_version "${_raw_version_string}")
+project(DPITunnel DESCRIPTION "A program for bypassing internet censorship without a proxy server" VERSION ${_dpitunnel_version} LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 20)
+set(CXX_STANDARD_REQUIRED on)
 cmake_policy(SET CMP0065 NEW)
 cmake_policy(SET CMP0138 NEW)
 

dpitunnel.cpp

@@ -20,6 +20,7 @@
 #include <mutex>
 #include <thread>
 #include <csignal>
+#include <format>
 #include <unordered_map>
 #include <sys/prctl.h>
 #include <sys/socket.h>
@@ -34,7 +35,8 @@ const std::string CONNECTION_ERROR_RESPONSE(
         "HTTP/1.1 0 Connection establish problem (read logs)\r\n\r\n");
 const std::string PROCESS_NAME("DPITunnel");
 const std::string HELP_PAGE(
-        "DPITunnel\n"
+        std::format(
+        "DPITunnel {}\n"
         "  A program for bypassing internet censorship without a proxy server\n"
         "\n"
         "Usage:\n"
@@ -76,6 +78,7 @@ const std::string HELP_PAGE(
         "  --custom-ips=<filename>\t\t\tallows to set custom IPs for specific domains, ignoring DNS/DoH response\n"
         "  --wsize=<number>\t\t\t\tTCP window size. Used to ask server to split Server Hello\n"
         "  --wsfactor=<number>\t\t\t\tTCP window scale factor. Used with wsize option"
+        , DPITUNNEL_VERSION)
 );
 int Interrupt_pipe[2];
 std::atomic<bool> stop_flag;

include/dpitunnel.h

@@ -1,6 +1,8 @@
 #ifndef DPITUNNEL_CLI_H
 #define DPITUNNEL_CLI_H
 
+#define DPITUNNEL_VERSION "0.9.0"
+
 #include <map>
 #include <set>
 #include <string>