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json.c
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/**
* output.c -- output json to the standard output stream
* ______ ___
* / ____/___ / | _____________ __________
* / / __/ __ \/ /| |/ ___/ ___/ _ \/ ___/ ___/
* / /_/ / /_/ / ___ / /__/ /__/ __(__ |__ )
* \____/\____/_/ |_\___/\___/\___/____/____/
*
* The MIT License (MIT)
* Copyright (c) 2009-2016 Gerardo Orellana <hello @ goaccess.io>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#include <errno.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include <inttypes.h>
#include "json.h"
#ifdef HAVE_LIBTOKYOCABINET
#include "tcabdb.h"
#else
#include "gkhash.h"
#endif
#include "error.h"
#include "settings.h"
#include "ui.h"
#include "util.h"
#include "websocket.h"
#include "xmalloc.h"
typedef struct GPanel_
{
GModule module;
void (*render) (GJSON * json, GHolder * h, GPercTotals totals,
const struct GPanel_ *);
void (*subitems) (GJSON * json, GHolderItem * item, GPercTotals totals,
int size, int iisp);
} GPanel;
/* number of new lines (applicable fields) */
static int nlines = 0;
/* escape HTML in JSON data values */
static int escape_html_output = 0;
static void print_json_data (GJSON * json, GHolder * h, GPercTotals totals,
const struct GPanel_ *);
static void print_json_host_items (GJSON * json, GHolderItem * item,
GPercTotals totals, int size, int iisp);
static void print_json_sub_items (GJSON * json, GHolderItem * item,
GPercTotals totals, int size, int iisp);
/* *INDENT-OFF* */
static GPanel paneling[] = {
{VISITORS , print_json_data , NULL } ,
{REQUESTS , print_json_data , NULL } ,
{REQUESTS_STATIC , print_json_data , NULL } ,
{NOT_FOUND , print_json_data , NULL } ,
{HOSTS , print_json_data , print_json_host_items } ,
{OS , print_json_data , print_json_sub_items } ,
{BROWSERS , print_json_data , print_json_sub_items } ,
{VISIT_TIMES , print_json_data , NULL } ,
{VIRTUAL_HOSTS , print_json_data , NULL } ,
{REFERRERS , print_json_data , NULL } ,
{REFERRING_SITES , print_json_data , NULL } ,
{KEYPHRASES , print_json_data , NULL } ,
{STATUS_CODES , print_json_data , print_json_sub_items } ,
{REMOTE_USER , print_json_data , NULL } ,
#ifdef HAVE_GEOLOCATION
{GEO_LOCATION , print_json_data , print_json_sub_items } ,
#endif
};
/* *INDENT-ON* */
/* Get panel output data for the given module.
*
* If not found, NULL is returned.
* On success, panel data is returned . */
static GPanel *
panel_lookup (GModule module)
{
int i, num_panels = ARRAY_SIZE (paneling);
for (i = 0; i < num_panels; i++) {
if (paneling[i].module == module)
return &paneling[i];
}
return NULL;
}
/* Allocate memory for a new GJSON instance.
*
* On success, the newly allocated GJSON is returned . */
static GJSON *
new_gjson (void)
{
GJSON *json = xcalloc (1, sizeof (GJSON));
return json;
}
/* Free malloc'd GJSON resources. */
static void
free_json (GJSON * json)
{
if (!json)
return;
free (json->buf);
free (json);
}
/* Set number of new lines when --json-pretty-print is used. */
void
set_json_nlines (int newline)
{
nlines = newline;
}
/* Make sure that we have enough storage to write "len" bytes at the
* current offset. */
static void
set_json_buffer (GJSON * json, int len)
{
char *tmp = NULL;
/* Maintain a null byte at the end of the buffer */
size_t need = json->offset + len + 1, newlen = 0;
if (need <= json->size)
return;
if (json->size == 0) {
newlen = INIT_BUF_SIZE;
} else {
newlen = json->size;
newlen += newlen / 2; /* resize by 3/2 */
}
if (newlen < need)
newlen = need;
tmp = realloc (json->buf, newlen);
if (tmp == NULL) {
free_json (json);
FATAL (("Unable to realloc JSON buffer.\n"));
}
json->buf = tmp;
json->size = newlen;
}
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
/* A wrapper function to write a formatted string and expand the
* buffer if necessary.
*
* On success, data is outputted. */
static void
pjson (GJSON * json, const char *fmt, ...)
{
int len = 0;
va_list args;
va_start (args, fmt);
if ((len = vsnprintf (NULL, 0, fmt, args)) < 0)
FATAL (("Unable to write JSON formatted data.\n"));
va_end (args);
/* malloc/realloc buffer as needed */
set_json_buffer (json, len);
va_start (args, fmt); /* restart args */
vsprintf (json->buf + json->offset, fmt, args);
va_end (args);
json->offset += len;
}
/* A wrapper function to output a formatted string to a file pointer.
*
* On success, data is outputted. */
void
fpjson (FILE * fp, const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
vfprintf (fp, fmt, args);
va_end (args);
}
#pragma GCC diagnostic warning "-Wformat-nonliteral"
/* Escape all other characters accordingly. */
static void
escape_json_other (GJSON * json, char **s)
{
/* Since JSON data is bootstrapped into the HTML document of a report,
* then we perform the following four translations in case weird stuff
* is put into the document.
*
* Note: The following scenario assumes that the user manually makes
* the HTML report a PHP file (GoAccess doesn't allow the creation of a
* PHP file):
*
* /index.html<?php eval(base_decode('iZWNobyAiPGgxPkhFTExPPC9oMT4iOw=='));?>
*/
if (escape_html_output) {
switch (**s) {
case '\'':
pjson (json, "'");
return;
case '&':
pjson (json, "&");
return;
case '<':
pjson (json, "<");
return;
case '>':
pjson (json, ">");
return;
}
}
if ((uint8_t) ** s <= 0x1f) {
/* Control characters (U+0000 through U+001F) */
char buf[8];
snprintf (buf, sizeof buf, "\\u%04x", **s);
pjson (json, "%s", buf);
} else if ((uint8_t) ** s == 0xe2 && (uint8_t) * (*s + 1) == 0x80 &&
(uint8_t) * (*s + 2) == 0xa8) {
/* Line separator (U+2028) - 0xE2 0x80 0xA8 */
pjson (json, "\\u2028");
*s += 2;
} else if ((uint8_t) ** s == 0xe2 && (uint8_t) * (*s + 1) == 0x80 &&
(uint8_t) * (*s + 2) == 0xa9) {
/* Paragraph separator (U+2019) - 0xE2 0x80 0xA9 */
pjson (json, "\\u2029");
*s += 2;
} else {
char buf[2];
snprintf (buf, sizeof buf, "%c", **s);
pjson (json, "%s", buf);
}
}
/* Escape and write to a valid JSON buffer.
*
* On success, escaped JSON data is outputted. */
static void
escape_json_output (GJSON * json, char *s)
{
while (*s) {
switch (*s) {
/* These are required JSON special characters that need to be escaped. */
case '"':
pjson (json, "\\\"");
break;
case '\\':
pjson (json, "\\\\");
break;
case '\b':
pjson (json, "\\b");
break;
case '\f':
pjson (json, "\\f");
break;
case '\n':
pjson (json, "\\n");
break;
case '\r':
pjson (json, "\\r");
break;
case '\t':
pjson (json, "\\t");
break;
case '/':
pjson (json, "\\/");
break;
default:
escape_json_other (json, &s);
break;
}
s++;
}
}
/* Write to a buffer a JSON a key/value pair. */
static void
pskeysval (GJSON * json, const char *key, const char *val, int sp, int last)
{
if (!last)
pjson (json, "%.*s\"%s\": \"%s\",%.*s", sp, TAB, key, val, nlines, NL);
else
pjson (json, "%.*s\"%s\": \"%s\"", sp, TAB, key, val);
}
/* Output a JSON string key, array value pair. */
void
fpskeyaval (FILE * fp, const char *key, const char *val, int sp, int last)
{
if (!last)
fpjson (fp, "%.*s\"%s\": %s,%.*s", sp, TAB, key, val, nlines, NL);
else
fpjson (fp, "%.*s\"%s\": %s", sp, TAB, key, val);
}
/* Output a JSON a key/value pair. */
void
fpskeysval (FILE * fp, const char *key, const char *val, int sp, int last)
{
if (!last)
fpjson (fp, "%.*s\"%s\": \"%s\",%.*s", sp, TAB, key, val, nlines, NL);
else
fpjson (fp, "%.*s\"%s\": \"%s\"", sp, TAB, key, val);
}
/* Write to a buffer a JSON string key, int value pair. */
static void
pskeyival (GJSON * json, const char *key, int val, int sp, int last)
{
if (!last)
pjson (json, "%.*s\"%s\": %d,%.*s", sp, TAB, key, val, nlines, NL);
else
pjson (json, "%.*s\"%s\": %d", sp, TAB, key, val);
}
/* Output a JSON string key, int value pair. */
void
fpskeyival (FILE * fp, const char *key, int val, int sp, int last)
{
if (!last)
fpjson (fp, "%.*s\"%s\": %d,%.*s", sp, TAB, key, val, nlines, NL);
else
fpjson (fp, "%.*s\"%s\": %d", sp, TAB, key, val);
}
/* Write to a buffer a JSON string key, uint64_t value pair. */
static void
pskeyu64val (GJSON * json, const char *key, uint64_t val, int sp, int last)
{
if (!last)
pjson (json, "%.*s\"%s\": %" PRIu64 ",%.*s", sp, TAB, key, val, nlines, NL);
else
pjson (json, "%.*s\"%s\": %" PRIu64 "", sp, TAB, key, val);
}
/* Write to a buffer a JSON string key, int value pair. */
static void
pskeyfval (GJSON * json, const char *key, float val, int sp, int last)
{
if (!last)
pjson (json, "%.*s\"%s\": \"%4.2f\",%.*s", sp, TAB, key, val, nlines, NL);
else
pjson (json, "%.*s\"%s\": \"%4.2f\"", sp, TAB, key, val);
}
/* Write to a buffer the open block item object. */
static void
popen_obj (GJSON * json, int iisp)
{
/* open data metric block */
pjson (json, "%.*s{%.*s", iisp, TAB, nlines, NL);
}
/* Output the open block item object. */
void
fpopen_obj (FILE * fp, int iisp)
{
/* open data metric block */
fpjson (fp, "%.*s{%.*s", iisp, TAB, nlines, NL);
}
/* Write to a buffer a JSON open object attribute. */
static void
popen_obj_attr (GJSON * json, const char *attr, int sp)
{
/* open object attribute */
pjson (json, "%.*s\"%s\": {%.*s", sp, TAB, attr, nlines, NL);
}
/* Output a JSON open object attribute. */
void
fpopen_obj_attr (FILE * fp, const char *attr, int sp)
{
/* open object attribute */
fpjson (fp, "%.*s\"%s\": {%.*s", sp, TAB, attr, nlines, NL);
}
/* Close JSON object. */
static void
pclose_obj (GJSON * json, int iisp, int last)
{
if (!last)
pjson (json, "%.*s%.*s},%.*s", nlines, NL, iisp, TAB, nlines, NL);
else
pjson (json, "%.*s%.*s}", nlines, NL, iisp, TAB);
}
/* Close JSON object. */
void
fpclose_obj (FILE * fp, int iisp, int last)
{
if (!last)
fpjson (fp, "%.*s%.*s},%.*s", nlines, NL, iisp, TAB, nlines, NL);
else
fpjson (fp, "%.*s%.*s}", nlines, NL, iisp, TAB);
}
/* Write to a buffer a JSON open array attribute. */
static void
popen_arr_attr (GJSON * json, const char *attr, int sp)
{
/* open object attribute */
pjson (json, "%.*s\"%s\": [%.*s", sp, TAB, attr, nlines, NL);
}
/* Output a JSON open array attribute. */
void
fpopen_arr_attr (FILE * fp, const char *attr, int sp)
{
/* open object attribute */
fpjson (fp, "%.*s\"%s\": [%.*s", sp, TAB, attr, nlines, NL);
}
/* Close the data array. */
static void
pclose_arr (GJSON * json, int sp, int last)
{
if (!last)
pjson (json, "%.*s%.*s],%.*s", nlines, NL, sp, TAB, nlines, NL);
else
pjson (json, "%.*s%.*s]", nlines, NL, sp, TAB);
}
/* Close the data array. */
void
fpclose_arr (FILE * fp, int sp, int last)
{
if (!last)
fpjson (fp, "%.*s%.*s],%.*s", nlines, NL, sp, TAB, nlines, NL);
else
fpjson (fp, "%.*s%.*s]", nlines, NL, sp, TAB);
}
/* Write to a buffer the date and time for the overall object. */
static void
poverall_datetime (GJSON * json, int sp)
{
char now[DATE_TIME];
generate_time ();
strftime (now, DATE_TIME, "%Y-%m-%d %H:%M:%S %z", now_tm);
pskeysval (json, OVERALL_DATETIME, now, sp, 0);
}
/* Write to a buffer the date and time for the overall object. */
static void
poverall_start_end_date (GJSON * json, GHolder * h, int sp)
{
char *start = NULL, *end = NULL;
if (h->idx == 0 || get_start_end_parsing_dates (h, &start, &end, "%d/%b/%Y"))
return;
pskeysval (json, OVERALL_STARTDATE, start, sp, 0);
pskeysval (json, OVERALL_ENDDATE, end, sp, 0);
free (end);
free (start);
}
/* Write to a buffer date and time for the overall object. */
static void
poverall_requests (GJSON * json, GLog * glog, int sp)
{
pskeyival (json, OVERALL_REQ, glog->processed, sp, 0);
}
/* Write to a buffer the number of valid requests under the overall
* object. */
static void
poverall_valid_reqs (GJSON * json, GLog * glog, int sp)
{
pskeyival (json, OVERALL_VALID, glog->valid, sp, 0);
}
/* Write to a buffer the number of invalid requests under the overall
* object. */
static void
poverall_invalid_reqs (GJSON * json, GLog * glog, int sp)
{
pskeyival (json, OVERALL_FAILED, glog->invalid, sp, 0);
}
/* Write to a buffer the total processed time under the overall
* object. */
static void
poverall_processed_time (GJSON * json, int sp)
{
uint64_t elapsed_proc = end_proc - start_proc;
#ifdef TCB_BTREE
if (conf.store_accumulated_time)
elapsed_proc = (uint64_t) ht_get_genstats ("accumulated_time");
#endif
pskeyu64val (json, OVERALL_GENTIME, elapsed_proc, sp, 0);
}
/* Write to a buffer the total number of unique visitors under the
* overall object. */
static void
poverall_visitors (GJSON * json, int sp)
{
pskeyival (json, OVERALL_VISITORS, ht_get_size_uniqmap (VISITORS), sp, 0);
}
/* Write to a buffer the total number of unique files under the
* overall object. */
static void
poverall_files (GJSON * json, int sp)
{
pskeyival (json, OVERALL_FILES, ht_get_size_datamap (REQUESTS), sp, 0);
}
/* Write to a buffer the total number of excluded requests under the
* overall object. */
static void
poverall_excluded (GJSON * json, GLog * glog, int sp)
{
pskeyival (json, OVERALL_EXCL_HITS, glog->excluded_ip, sp, 0);
}
/* Write to a buffer the number of referrers under the overall object. */
static void
poverall_refs (GJSON * json, int sp)
{
pskeyival (json, OVERALL_REF, ht_get_size_datamap (REFERRERS), sp, 0);
}
/* Write to a buffer the number of not found (404s) under the overall
* object. */
static void
poverall_notfound (GJSON * json, int sp)
{
pskeyival (json, OVERALL_NOTFOUND, ht_get_size_datamap (NOT_FOUND), sp, 0);
}
/* Write to a buffer the number of static files (jpg, pdf, etc) under
* the overall object. */
static void
poverall_static_files (GJSON * json, int sp)
{
pskeyival (json, OVERALL_STATIC, ht_get_size_datamap (REQUESTS_STATIC), sp,
0);
}
/* Write to a buffer the size of the log being parsed under the
* overall object. */
static void
poverall_log_size (GJSON * json, int sp)
{
pjson (json, "%.*s\"%s\": %jd,%.*s", sp, TAB, OVERALL_LOGSIZE,
(intmax_t) get_log_sizes (), nlines, NL);
}
/* Write to a buffer the total bandwidth consumed under the overall
* object. */
static void
poverall_bandwidth (GJSON * json, GLog * glog, int sp)
{
pskeyu64val (json, OVERALL_BANDWIDTH, glog->resp_size, sp, 0);
}
static void
poverall_log_path (GJSON * json, int idx, int isp)
{
pjson (json, "%.*s\"", isp, TAB);
if (conf.filenames[idx][0] == '-' && conf.filenames[idx][1] == '\0')
pjson (json, "STDIN");
else
escape_json_output (json, (char *) conf.filenames[idx]);
pjson (json, conf.filenames_idx - 1 != idx ? "\",\n" : "\"");
}
/* Write to a buffer the path of the log being parsed under the
* overall object. */
static void
poverall_log (GJSON * json, int sp)
{
int idx, isp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_arr_attr (json, OVERALL_LOG, sp);
for (idx = 0; idx < conf.filenames_idx; ++idx)
poverall_log_path (json, idx, isp);
pclose_arr (json, sp, 1);
}
/* Write to a buffer hits data. */
static void
phits (GJSON * json, GMetrics * nmetrics, int sp)
{
int isp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "hits", sp);
/* print hits */
pskeyival (json, "count", nmetrics->hits, isp, 0);
/* print hits percent */
pskeyfval (json, "percent", nmetrics->hits_perc, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer visitors data. */
static void
pvisitors (GJSON * json, GMetrics * nmetrics, int sp)
{
int isp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "visitors", sp);
/* print visitors */
pskeyival (json, "count", nmetrics->visitors, isp, 0);
/* print visitors percent */
pskeyfval (json, "percent", nmetrics->visitors_perc, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer bandwidth data. */
static void
pbw (GJSON * json, GMetrics * nmetrics, int sp)
{
int isp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
if (!conf.bandwidth)
return;
popen_obj_attr (json, "bytes", sp);
/* print bandwidth */
pskeyu64val (json, "count", nmetrics->bw.nbw, isp, 0);
/* print bandwidth percent */
pskeyfval (json, "percent", nmetrics->bw_perc, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer average time served data. */
static void
pavgts (GJSON * json, GMetrics * nmetrics, int sp)
{
if (!conf.serve_usecs)
return;
pskeyu64val (json, "avgts", nmetrics->avgts.nts, sp, 0);
}
/* Write to a buffer cumulative time served data. */
static void
pcumts (GJSON * json, GMetrics * nmetrics, int sp)
{
if (!conf.serve_usecs)
return;
pskeyu64val (json, "cumts", nmetrics->cumts.nts, sp, 0);
}
/* Write to a buffer maximum time served data. */
static void
pmaxts (GJSON * json, GMetrics * nmetrics, int sp)
{
if (!conf.serve_usecs)
return;
pskeyu64val (json, "maxts", nmetrics->maxts.nts, sp, 0);
}
/* Write to a buffer request method data. */
static void
pmethod (GJSON * json, GMetrics * nmetrics, int sp)
{
/* request method */
if (conf.append_method && nmetrics->method) {
pskeysval (json, "method", nmetrics->method, sp, 0);
}
}
/* Write to a buffer protocol method data. */
static void
pprotocol (GJSON * json, GMetrics * nmetrics, int sp)
{
/* request protocol */
if (conf.append_protocol && nmetrics->protocol) {
pskeysval (json, "protocol", nmetrics->protocol, sp, 0);
}
}
/* Write to a buffer the hits meta data object. */
static void
pmeta_data_unique (GJSON * json, int ht_size, int sp)
{
int isp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "data", sp);
pskeyu64val (json, "unique", ht_size, isp, 1);
pclose_obj (json, sp, 1);
}
/* Write to a buffer the hits meta data object. */
static void
pmeta_data_hits (GJSON * json, GModule module, int sp)
{
int isp = 0;
int max = 0, min = 0;
ht_get_hits_min_max (module, &min, &max);
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "hits", sp);
pskeyu64val (json, "count", ht_get_meta_data (module, "hits"), isp, 0);
pskeyival (json, "max", max, isp, 0);
pskeyival (json, "min", min, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer the visitors meta data object. */
static void
pmeta_data_visitors (GJSON * json, GModule module, int sp)
{
int isp = 0;
int max = 0, min = 0;
ht_get_visitors_min_max (module, &min, &max);
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "visitors", sp);
pskeyu64val (json, "count", ht_get_meta_data (module, "visitors"), isp, 0);
pskeyival (json, "max", max, isp, 0);
pskeyival (json, "min", min, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer the bytes meta data object. */
static void
pmeta_data_bw (GJSON * json, GModule module, int sp)
{
int isp = 0;
uint64_t max = 0, min = 0;
if (!conf.bandwidth)
return;
ht_get_bw_min_max (module, &min, &max);
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "bytes", sp);
pskeyu64val (json, "count", ht_get_meta_data (module, "bytes"), isp, 0);
pskeyu64val (json, "max", max, isp, 0);
pskeyu64val (json, "min", min, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer the average of the average time served meta data
* object. */
static void
pmeta_data_avgts (GJSON * json, GModule module, int sp)
{
int isp = 0;
uint64_t avg = 0, hits = 0, cumts = 0;
if (!conf.serve_usecs)
return;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
cumts = ht_get_meta_data (module, "cumts");
hits = ht_get_meta_data (module, "hits");
if (hits > 0)
avg = cumts / hits;
popen_obj_attr (json, "avgts", sp);
pskeyu64val (json, "avg", avg, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer the cumulative time served meta data object. */
static void
pmeta_data_cumts (GJSON * json, GModule module, int sp)
{
int isp = 0;
uint64_t max = 0, min = 0;
if (!conf.serve_usecs)
return;
ht_get_cumts_min_max (module, &min, &max);
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "cumts", sp);
pskeyu64val (json, "count", ht_get_meta_data (module, "cumts"), isp, 0);
pskeyu64val (json, "max", max, isp, 0);
pskeyu64val (json, "min", min, isp, 1);
pclose_obj (json, sp, 0);
}
/* Write to a buffer the maximum time served meta data object. */
static void
pmeta_data_maxts (GJSON * json, GModule module, int sp)
{
int isp = 0;
uint64_t max = 0, min = 0;
if (!conf.serve_usecs)
return;
ht_get_maxts_min_max (module, &min, &max);
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1;
popen_obj_attr (json, "maxts", sp);
pskeyu64val (json, "count", ht_get_meta_data (module, "maxts"), isp, 0);
pskeyu64val (json, "max", max, isp, 0);
pskeyu64val (json, "min", min, isp, 1);
pclose_obj (json, sp, 0);
}
/* Entry point to output panel's metadata. */
static void
print_meta_data (GJSON * json, GHolder * h, int sp)
{
int isp = 0, iisp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
isp = sp + 1, iisp = sp + 2;
popen_obj_attr (json, "metadata", isp);
pmeta_data_avgts (json, h->module, iisp);
pmeta_data_cumts (json, h->module, iisp);
pmeta_data_maxts (json, h->module, iisp);
pmeta_data_bw (json, h->module, iisp);
pmeta_data_visitors (json, h->module, iisp);
pmeta_data_hits (json, h->module, iisp);
pmeta_data_unique (json, h->ht_size, iisp);
pclose_obj (json, isp, 0);
}
/* A wrapper function to ouput data metrics per panel. */
static void
print_json_block (GJSON * json, GMetrics * nmetrics, int sp)
{
/* print hits */
phits (json, nmetrics, sp);
/* print visitors */
pvisitors (json, nmetrics, sp);
/* print bandwidth */
pbw (json, nmetrics, sp);
/* print time served metrics */
pavgts (json, nmetrics, sp);
pcumts (json, nmetrics, sp);
pmaxts (json, nmetrics, sp);
/* print protocol/method */
pmethod (json, nmetrics, sp);
pprotocol (json, nmetrics, sp);
/* data metric */
pjson (json, "%.*s\"data\": \"", sp, TAB);
escape_json_output (json, nmetrics->data);
pjson (json, "\"");
}
/* Add the given user agent value into our array of GAgents.
*
* On error, 1 is returned.
* On success, the user agent is added to the array and 0 is returned. */
static int
fill_host_agents (void *val, void *user_data)
{
GAgents *agents = user_data;
char *agent = ht_get_host_agent_val ((*(int *) val));
if (agent == NULL)
return 1;
agents->items[agents->size].agent = agent;
agents->size++;
return 0;
}
/* Iterate over the list of agents */
static void
load_host_agents (void *list, void *user_data, GO_UNUSED int count)
{
GSLList *lst = list;
GAgents *agents = user_data;
agents->items = new_gagent_item (count);
list_foreach (lst, fill_host_agents, agents);
}
/* A wrapper function to ouput an array of user agents for each host. */
static void
process_host_agents (GJSON * json, GHolderItem * item, int iisp)
{
GAgents *agents = new_gagents ();
int i, n = 0, iiisp = 0;
/* use tabs to prettify output */
if (conf.json_pretty_print)
iiisp = iisp + 1;
if (set_host_agents (item->metrics->data, load_host_agents, agents) == 1)
return;
pjson (json, ",%.*s%.*s\"items\": [%.*s", nlines, NL, iisp, TAB, nlines, NL);
n = agents->size > 10 ? 10 : agents->size;
for (i = 0; i < n; ++i) {
pjson (json, "%.*s\"", iiisp, TAB);
escape_json_output (json, agents->items[i].agent);
if (i == n - 1)
pjson (json, "\"");
else
pjson (json, "\",%.*s", nlines, NL);
}
pclose_arr (json, iisp, 1);
/* clean stuff up */
free_agents_array (agents);
}
/* A wrapper function to ouput children nodes. */
static void
print_json_sub_items (GJSON * json, GHolderItem * item, GPercTotals totals,
int size, int iisp)
{
GMetrics *nmetrics;
GSubItem *iter;
GSubList *sl = item->sub_list;