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info.c
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info.c
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/*
* Copyright (C) 2004-2009 Christos Tsantilas
*
* This program 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 program 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA.
*/
#include "common.h"
#include "c-icap.h"
#include "array.h"
#include "commands.h"
#include "service.h"
#include "header.h"
#include "body.h"
#include "request_util.h"
#include "server.h"
#include "stats.h"
#include "proc_threads_queues.h"
#include "debug.h"
#include "util.h"
#include "http_server.h"
int info_init_service(ci_service_xdata_t * srv_xdata,
struct ci_server_conf *server_conf);
int info_post_init_service(ci_service_xdata_t * srv_xdata, struct ci_server_conf *server_conf);
int info_check_preview_handler(char *preview_data, int preview_data_len,
ci_request_t *);
int info_end_of_data_handler(ci_request_t * req);
void *info_init_request_data(ci_request_t * req);
void info_close_service();
void info_release_request_data(void *data);
int info_io(char *wbuf, int *wlen, char *rbuf, int *rlen, int iseof,
ci_request_t * req);
CI_DECLARE_MOD_DATA ci_service_module_t info_service = {
"info", /* mod_name, The module name */
"C-icap run-time information", /* mod_short_descr, Module short description */
ICAP_REQMOD, /* mod_type, The service type is request modification */
info_init_service, /* mod_init_service. Service initialization */
info_post_init_service, /* post_init_service. Service initialization after c-icap configured.*/
info_close_service, /* mod_close_service. Called when service shutdowns. */
info_init_request_data, /* mod_init_request_data */
info_release_request_data, /* mod_release_request_data */
info_check_preview_handler, /* mod_check_preview_handler */
info_end_of_data_handler, /* mod_end_of_data_handler */
info_io, /* mod_service_io */
NULL,
NULL
};
struct time_counters_ids{
const char *name;
ci_stat_type_t type;
const char *group;
int id;
int per_request:1;
int per_time:1;
int average:1;
} InfoTimeCountersId[] = {
/*TODO: Make the InfoTimeCountersId array configurable*/
{"TIME PER REQUEST", CI_STAT_TIME_US_T, "General", -1, 0, 0, 1},
{"PROCESSING TIME PER REQUEST", CI_STAT_TIME_US_T, "General", -1, 0, 0, 1},
{"BYTES IN", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{"BYTES OUT", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{"HTTP BYTES IN", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{"HTTP BYTES OUT", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{"BODY BYTES IN", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{"BODY BYTES OUT", CI_STAT_KBS_T, "General", -1, 1, 1, 0},
{NULL, 0, NULL, -1, 0, 0}
};
#define InfoTimeCountersIdLength (sizeof(InfoTimeCountersId) / sizeof(InfoTimeCountersId[0]))
struct per_time_stats {
uint64_t requests;
uint64_t requests_per_sec;
int used_servers;
int max_servers;
int children;
ci_kbs_t kbs_per_sec[InfoTimeCountersIdLength];
ci_kbs_t kbs_per_request[InfoTimeCountersIdLength];
uint64_t uint64_average[InfoTimeCountersIdLength];
};
struct info_time_stats {
struct per_time_stats _1sec;
struct per_time_stats _1min;
struct per_time_stats _5min;
struct per_time_stats _30min;
struct per_time_stats _60min;
};
enum {OUT_FMT_TEXT, OUT_FMT_HTML, OUT_FMT_CSV};
enum { PRINT_INFO_MENU, PRINT_ALL_TABLES, PRINT_SOME_TABLES, PRINT_HISTOGRAMS_LIST };
struct info_req_data {
char *url;
ci_membuf_t *body;
int must_free_body;
int format;
int print_page;
int view_child;
time_t time;
char time_str[128];
int childs;
int *child_pids;
int free_servers;
int used_servers;
unsigned int closing_childs;
int *closing_child_pids;
unsigned int started_childs;
unsigned int closed_childs;
unsigned int crashed_childs;
int memory_pools_master_group_id;
int supports_svg;
ci_stat_memblock_t *collect_stats;
struct info_time_stats *info_time_stats;
ci_str_vector_t *tables;
ci_str_vector_t *histos;
};
extern struct childs_queue *childs_queue;
extern ci_proc_mutex_t accept_mutex;
int InfoSharedMemId = -1;
static void parse_info_arguments(struct info_req_data *info_data, char *args);
static int print_statistics(struct info_req_data *info_data);
static void info_monitor_init_cmd(const char *name, int type, void *data);
static void info_monitor_periodic_cmd(const char *name, int type, void *data);
static int stats_web_service(ci_request_t *req);
static int build_info_web_service(ci_request_t *req);
int info_init_service(ci_service_xdata_t * srv_xdata,
struct ci_server_conf *server_conf)
{
ci_service_set_xopts(srv_xdata, CI_XAUTHENTICATEDUSER|CI_XAUTHENTICATEDGROUPS);
InfoSharedMemId = ci_server_shared_memblob_register("InfoSharedData", sizeof(struct info_time_stats));
ci_command_register_action("info::mon_start", CI_CMD_MONITOR_START, NULL,
info_monitor_init_cmd);
ci_command_register_action("info::monitor_periodic", CI_CMD_MONITOR_ONDEMAND, NULL,
info_monitor_periodic_cmd);
ci_http_server_register_service("/statistics", "The c-icap statistics web service", stats_web_service, 0);
ci_http_server_register_service("/build_info", "The c-icap build configuration web service", build_info_web_service, 0);
return CI_OK;
}
int info_post_init_service(ci_service_xdata_t * srv_xdata, struct ci_server_conf *server_conf)
{
int i;
for (i = 0; InfoTimeCountersId[i].name != NULL; i++)
InfoTimeCountersId[i].id = ci_stat_entry_find(InfoTimeCountersId[i].name, InfoTimeCountersId[i].group, InfoTimeCountersId[i].type);
return CI_OK;
}
void info_close_service()
{
ci_debug_printf(5,"Service %s shutdown!\n", info_service.mod_name);
}
int url_decoder(const char *input,char *output, int output_len);
void *info_init_request_data(ci_request_t * req)
{
struct info_req_data *info_data;
info_data = malloc(sizeof(struct info_req_data));
info_data->url = NULL;
if (req->protocol == CI_PROTO_HTTP) {
info_data->body = ci_http_server_response_body(req);
info_data->must_free_body = 0;
} else {
info_data->body = ci_membuf_new_sized(32*1024);
info_data->must_free_body = 1;
}
info_data->print_page = PRINT_INFO_MENU;
info_data->view_child = -1;
info_data->time = 0;
info_data->time_str[0] = '\0';
info_data->childs = 0;
info_data->child_pids = malloc(childs_queue->size * sizeof(int));
info_data->free_servers = 0;
info_data->used_servers = 0;
info_data->closing_childs = 0;
info_data->closing_child_pids = malloc(childs_queue->size * sizeof(int));
info_data->started_childs = 0;
info_data->closed_childs = 0;
info_data->crashed_childs = 0;
info_data->format = OUT_FMT_HTML;
info_data->supports_svg = 0;
info_data->tables = NULL;
info_data->histos = NULL;
info_data->memory_pools_master_group_id = ci_stat_group_find("Memory Pools");
if (req->args[0] != '\0') {
char decoded_args[256];
if (url_decoder(req->args, decoded_args, sizeof(decoded_args)) > 0)
parse_info_arguments(info_data, decoded_args);
}
void *mem = malloc(ci_stat_memblock_size());
info_data->collect_stats = mem ? ci_stat_memblock_init(mem, ci_stat_memblock_size()) : NULL;
if (!info_data->collect_stats) {
info_release_request_data((void *)info_data);
info_data = NULL;
}
info_data->info_time_stats = ci_server_shared_memblob(InfoSharedMemId);
return info_data;
}
void info_release_request_data(void *data)
{
struct info_req_data *info_data = (struct info_req_data *)data;
if (info_data->url)
ci_buffer_free(info_data->url);
if (info_data->must_free_body && info_data->body)
ci_membuf_free(info_data->body);
if (info_data->child_pids)
free(info_data->child_pids);
if (info_data->closing_child_pids)
free(info_data->closing_child_pids);
if (info_data->collect_stats)
free(info_data->collect_stats);
if (info_data->tables)
ci_str_vector_destroy(info_data->tables);
if (info_data->histos)
ci_str_vector_destroy(info_data->histos);
free(info_data);
}
int url_decoder2(char *input);
int info_check_preview_handler(char *preview_data, int preview_data_len,
ci_request_t * req)
{
struct info_req_data *info_data = ci_service_data(req);
char url[1024];
char *args;
if (ci_req_hasbody(req))
return CI_MOD_ALLOW204;
info_data->supports_svg = 1;
if (ci_http_request_url2(req, url, sizeof(url), CI_HTTP_REQUEST_URL_ARGS)) {
int url_size = url_decoder2(url);
info_data->url = ci_buffer_alloc(url_size + 1);
if (!info_data->url)
return CI_ERROR;
memcpy(info_data->url, url, url_size);
info_data->url[url_size] = '\0';
if ((args = strchr(url, '?'))) {
parse_info_arguments(info_data, args);
}
}
ci_req_unlock_data(req);
ci_http_response_create(req, 1, 1); /*Build the responce headers */
ci_http_response_add_header(req, "HTTP/1.0 200 OK");
ci_http_response_add_header(req, "Server: C-ICAP");
if (info_data->format == OUT_FMT_TEXT)
ci_http_response_add_header(req, "Content-Type: text/plain");
else if (info_data->format == OUT_FMT_CSV)
ci_http_response_add_header(req, "Content-Type: text/csv");
else
ci_http_response_add_header(req, "Content-Type: text/html");
ci_http_response_add_header(req, "Content-Language: en");
ci_http_response_add_header(req, "Connection: close");
if (!print_statistics(info_data))
return CI_ERROR;
return CI_MOD_CONTINUE;
}
int info_end_of_data_handler(ci_request_t * req)
{
return CI_MOD_DONE;
}
int info_io(char *wbuf, int *wlen, char *rbuf, int *rlen, int iseof,
ci_request_t * req)
{
int ret;
struct info_req_data *info_data = ci_service_data(req);
ret = CI_OK;
if (wbuf && wlen) {
if (info_data->body)
*wlen = ci_membuf_read(info_data->body, wbuf, *wlen);
else
*wlen = CI_EOF;
}
return ret;
}
/*Statistisc implementation .....*/
void fill_queue_statistics(struct childs_queue *q, struct info_req_data *info_data)
{
int i;
int requests = 0;
int32_t used_servers;
const ci_stat_memblock_t *stats;
const struct server_statistics *srv_stats;
if (!q->childs)
return;
/*Merge childs data*/
for (i = 0; i < q->size; i++) {
if (q->childs[i].pid == 0)
continue;
ci_debug_printf(1, "Check pids %d<>%d\n", q->childs[i].pid, info_data->view_child);
if (info_data->view_child > 0 && q->childs[i].pid != info_data->view_child)
continue;
if (q->childs[i].to_be_killed == 0) {
if (info_data->child_pids)
info_data->child_pids[info_data->childs] = q->childs[i].pid;
info_data->childs++;
ci_atomic_load_i32(&q->childs[i].usedservers, &used_servers);
info_data->free_servers += (q->childs[i].servers - used_servers);
info_data->used_servers += used_servers;
requests += q->childs[i].requests;
stats = q->stats_area + i * (q->stats_block_size);
assert(ci_stat_memblock_check(stats));
ci_stat_memblock_merge(info_data->collect_stats, stats, 0, (info_data->childs - 1));
} else if (q->childs[i].to_be_killed) {
if (info_data->closing_child_pids)
info_data->closing_child_pids[info_data->closing_childs] = q->childs[i].pid;
info_data->closing_childs++;
}
}
/*Merge history data*/
if (info_data->view_child < 0) {
stats = q->stats_history;
assert(ci_stat_memblock_check(stats));
ci_stat_memblock_merge(info_data->collect_stats, stats, 1, info_data->childs);
}
srv_stats = q->srv_stats;
/*Compute server statistics*/
info_data->started_childs = srv_stats->started_childs;
info_data->closed_childs = srv_stats->closed_childs;
info_data->crashed_childs = srv_stats->crashed_childs;
time(&info_data->time);
ci_to_strntime(info_data->time_str, sizeof(info_data->time_str), &info_data->time);
}
struct stats_tmpl {
const char *simple_table_start;
const char *simple_table_end;
const char *simple_table_item_int;
const char *simple_table_item_kbs;
const char *simple_table_item_str;
const char *simple_table_item_usec;
const char *simple_table_item_msec;
const char *table_header;
const char *table_item;
const char *table_row_start;
const char *table_row_end;
const char *table_col_sep;
const char *sep;
};
struct stats_tmpl txt_tmpl = {
"\n%s %s, %s\n==================\n",
"",
"%s : %llu\n",
"%s : %llu Kbs %u bytes\n",
"%s : %s\n",
"%s : %llu usec\n",
"%s : %llu msec\n",
"%s",
"%s",
"",
"\n",
"\t",
", "
};
struct stats_tmpl html_tmpl = {
"<H1>%s %s</H1>\n<TABLE>\n<CAPTION>%s</CAPTION>",
"</TABLE>\n",
"<TR><TH>%s:</TH><TD> %llu</TD>\n",
"<TR><TH>%s:</TH><TD> %llu Kbs %u bytes</TD>\n",
"<TR><TH>%s:</TH><TD> %s</TD>\n",
"<TR><TH>%s:</TH><TD> %llu usec</TD>\n",
"<TR><TH>%s:</TH><TD> %llu msec</TD>\n",
"<TH> %s </TH>",
"<TD> %s </TD>",
"\n<TR>",
"</TR>",
"",
"<BR>"
};
struct subgroups_data {
const char *name;
ci_str_vector_t *labels;
ci_str_array_t *current_row;
int memory_pools_master_group_id;
ci_stat_memblock_t *collect_stats;
int format;
ci_membuf_t *body;
};
static int print_subgroup_stat_item(void *data, const char *label, int id, int gId, const ci_stat_t *stat)
{
char buf[256];
ci_kbs_t kbs;
assert(label);
assert(data);
struct subgroups_data *subgroups_data = (struct subgroups_data *)data;
switch (stat->type) {
case CI_STAT_INT64_T:
case CI_STAT_INT64_MEAN_T:
snprintf(buf, sizeof(buf),
"%" PRIu64,
ci_stat_memblock_get_counter(subgroups_data->collect_stats, id));
break;
case CI_STAT_KBS_T:
kbs = ci_stat_memblock_get_kbs(subgroups_data->collect_stats, id);
if (subgroups_data->format == OUT_FMT_CSV)
snprintf(buf, sizeof(buf), "%" PRIu64, kbs.bytes);
else
snprintf(buf, sizeof(buf),
"%" PRIu64 " Kbs %" PRIu64 " bytes",
ci_kbs_kilobytes(&kbs),
ci_kbs_remainder_bytes(&kbs));
break;
case CI_STAT_TIME_US_T:
snprintf(buf, sizeof(buf),
"%" PRIu64 "%s",
ci_stat_memblock_get_counter(subgroups_data->collect_stats, id),
(subgroups_data->format == OUT_FMT_CSV ? "" : " usec")
);
break;
case CI_STAT_TIME_MS_T:
snprintf(buf, sizeof(buf),
"%" PRIu64 "%s",
ci_stat_memblock_get_counter(subgroups_data->collect_stats, id),
(subgroups_data->format == OUT_FMT_CSV ? "" : " msec")
);
break;
default:
buf[0] = '-';
buf[1] = '\0';
break;
}
ci_debug_printf(8, "SubGroup item %s:%s\n", label, buf);
ci_str_array_add(subgroups_data->current_row, label, buf);
return 0;
}
static int print_subgroup_stat_row_csv(struct subgroups_data *subgroups_data, const char *row_name)
{
char buf[1024];
int sz, i;
if (ci_vector_size(subgroups_data->labels) == 0) {
sz = snprintf(buf, sizeof(buf), "\"%s\"", subgroups_data->name);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, buf, sz, 0);
const char *label;
for (i = 0; (label = ci_array_name(subgroups_data->current_row, i)) != NULL; i++) {
ci_str_vector_add(subgroups_data->labels, label);
sz = snprintf(buf, sizeof(buf), "\"%s\"", label);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, buf, sz, 0);
}
ci_membuf_write(subgroups_data->body, "\n", 1, 0);
}
sz = snprintf(buf, sizeof(buf), "\"%s\"", row_name);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, buf, sz, 0);
for (i = 0; i < ci_vector_size(subgroups_data->labels); i++) {
const char *val = "";
const char *item = ci_str_vector_get(subgroups_data->labels, i);
if (item)
val = ci_str_array_search(subgroups_data->current_row, item);
sz = snprintf(buf, sizeof(buf), ",%s", val);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, buf, sz, 0);
}
ci_membuf_write(subgroups_data->body, "\n", 1, 0);
return 0;
}
static int print_subgroup_stat_row(void *data, const char *grp_name, int group_id, int master_group_id)
{
char buf[1024];
size_t sz;
struct subgroups_data *subgroups_data = (struct subgroups_data *)data;
if (master_group_id != subgroups_data->memory_pools_master_group_id)
return 0;
assert(subgroups_data);
ci_debug_printf(8, "Subgroup row %s\n", grp_name);
if (ci_array_size(subgroups_data->current_row) > 0)
ci_str_array_rebuild(subgroups_data->current_row);
ci_stat_statistics_iterate(data, group_id, print_subgroup_stat_item);
if (subgroups_data->format == OUT_FMT_CSV)
return print_subgroup_stat_row_csv(subgroups_data, grp_name);
struct stats_tmpl *tmpl = subgroups_data->format == OUT_FMT_TEXT ? &txt_tmpl : &html_tmpl;
int i;
if (ci_vector_size(subgroups_data->labels) == 0) {
const char *label;
sz = snprintf(buf, sizeof(buf), tmpl->table_header, subgroups_data->name);
assert(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, tmpl->table_row_start, strlen(tmpl->table_row_start), 0);
ci_membuf_write(subgroups_data->body, buf, sz, 0);
for (i = 0; (label = ci_array_name(subgroups_data->current_row, i)) != NULL; i++) {
ci_str_vector_add(subgroups_data->labels, label);
sz = snprintf(buf, sizeof(buf), tmpl->table_header, label);
if (sz > sizeof(buf))
sz = sizeof(buf);
ci_membuf_write(subgroups_data->body, tmpl->table_col_sep, strlen(tmpl->table_col_sep), 0);
ci_membuf_write(subgroups_data->body, buf, sz, 0);
}
ci_membuf_write(subgroups_data->body, tmpl->table_row_end, strlen(tmpl->table_row_end), 0);
}
sz = snprintf(buf, sizeof(buf), tmpl->table_header, grp_name);
assert(sz < sizeof(buf));
ci_membuf_write(subgroups_data->body, tmpl->table_row_start, strlen(tmpl->table_row_start), 0);
ci_membuf_write(subgroups_data->body, buf, sz, 0);
for (i = 0; i < ci_vector_size(subgroups_data->labels); i++) {
const char *val = "-";
const char *item = ci_str_vector_get(subgroups_data->labels, i);
if (item)
val = ci_str_array_search(subgroups_data->current_row, item);
sz = snprintf(buf, sizeof(buf), tmpl->table_item, val);
if (sz > sizeof(buf))
sz = sizeof(buf);
ci_membuf_write(subgroups_data->body, tmpl->table_col_sep, strlen(tmpl->table_col_sep), 0);
ci_membuf_write(subgroups_data->body, buf, sz, 0);
}
ci_membuf_write(subgroups_data->body, tmpl->table_row_end, strlen(tmpl->table_row_end), 0);
return 0;
}
static int print_stat_label_csv(void *data, const char *label, int id, int gId, const ci_stat_t *stat)
{
char buf[256];
int sz;
_CI_ASSERT(label);
_CI_ASSERT(data);
sz = snprintf(buf, sizeof(buf), ",\"%s\"", label);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
struct info_req_data *info_data = (struct info_req_data *)data;
ci_membuf_write(info_data->body, buf, sz, 0);
return 0;
}
static int print_stat_item_csv(void *data, const char *label, int id, int gId, const ci_stat_t *stat)
{
char buf[128];
int sz;
ci_kbs_t kbs;
uint64_t value = 0;
_CI_ASSERT(stat);
_CI_ASSERT(label);
_CI_ASSERT(data);
struct info_req_data *info_data = (struct info_req_data *)data;
switch (stat->type) {
case CI_STAT_INT64_T:
case CI_STAT_TIME_US_T:
case CI_STAT_TIME_MS_T:
case CI_STAT_INT64_MEAN_T:
value = ci_stat_memblock_get_counter(info_data->collect_stats, id);
break;
case CI_STAT_KBS_T:
kbs = ci_stat_memblock_get_kbs(info_data->collect_stats, id);
value = kbs.bytes;
break;
default:
break;
}
sz = snprintf(buf, sizeof(buf), ",%" PRIu64, value);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
return 0;
}
static int print_group_statistics_csv(struct info_req_data *info_data, const char *grp_name, int group_id, int master_group_id)
{
char buf[128];
int sz;
sz = snprintf(buf, sizeof(buf), "\"Time\"");
ci_membuf_write(info_data->body, buf, sz, 0);
ci_stat_statistics_iterate(info_data, group_id, print_stat_label_csv);
sz = snprintf(buf, sizeof(buf), "\n%lld", (long long)info_data->time);
ci_membuf_write(info_data->body, buf, sz, 0);
ci_stat_statistics_iterate(info_data, group_id, print_stat_item_csv);
ci_membuf_write(info_data->body, "\n", 1, 0);
return 0;
}
static int print_stat_item(void *data, const char *label, int id, int gId, const ci_stat_t *stat)
{
char buf[1024];
int sz;
ci_kbs_t kbs;
assert(stat);
assert(label);
assert(data);
struct info_req_data *info_data = (struct info_req_data *)data;
struct stats_tmpl *tmpl = info_data->format == OUT_FMT_TEXT ? &txt_tmpl : &html_tmpl;
switch (stat->type) {
case CI_STAT_INT64_T:
case CI_STAT_INT64_MEAN_T:
sz = snprintf(buf, sizeof(buf),
tmpl->simple_table_item_int,
label,
ci_stat_memblock_get_counter(info_data->collect_stats, id));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
break;
case CI_STAT_KBS_T:
kbs = ci_stat_memblock_get_kbs(info_data->collect_stats, id);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_kbs,
label,
ci_kbs_kilobytes(&kbs),
ci_kbs_remainder_bytes(&kbs));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
break;
case CI_STAT_TIME_US_T:
sz = snprintf(buf, sizeof(buf),
tmpl->simple_table_item_usec,
label,
ci_stat_memblock_get_counter(info_data->collect_stats, id));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
break;
case CI_STAT_TIME_MS_T:
sz = snprintf(buf, sizeof(buf),
tmpl->simple_table_item_msec,
label,
ci_stat_memblock_get_counter(info_data->collect_stats, id));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
break;
default:
break;
}
return 0;
}
int check_group(int print_type, ci_str_vector_t *tables, const char *grp_name)
{
if (print_type == PRINT_SOME_TABLES) {
if (!tables)
return 0;
if (!ci_str_vector_search(tables, grp_name))
return 0;
} else if (print_type != PRINT_ALL_TABLES)
return 0;
return 1;
}
static int print_group_statistics(void *data, const char *grp_name, int group_id, int master_group_id)
{
char buf[1024];
int sz;
if (master_group_id == CI_STAT_GROUP_MASTER)
return 0;
struct info_req_data *info_data = (struct info_req_data *)data;
if (master_group_id == info_data->memory_pools_master_group_id)
return 0; /*They are handled in their own table*/
if (!check_group(info_data->print_page, info_data->tables, grp_name))
return 0;
if (info_data->format == OUT_FMT_CSV)
return print_group_statistics_csv(info_data, grp_name, group_id, master_group_id);
struct stats_tmpl *tmpl = info_data->format == OUT_FMT_TEXT ? &txt_tmpl : &html_tmpl;
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_start, grp_name, "statistics", info_data->time_str);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
ci_stat_statistics_iterate(data, group_id, print_stat_item);
sz = snprintf(buf, sizeof(buf), "%s", tmpl->simple_table_end);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
return 0;
}
static void print_running_servers_statistics_csv(struct info_req_data *info_data)
{
char buf[1024];
int sz;
sz = snprintf(buf, sizeof(buf), "\"Unix Time\",\"Children number\",\"Free Servers\",\"Used Servers\",\"Started Processes\",\"Closed Processes\",\"Crashed Processes\",\"Closing Processes\"\n");
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), "%lld,%d,%d,%d,%d,%d,%d,%u\n",
(long long)info_data->time, info_data->childs, info_data->free_servers, info_data->used_servers, info_data->started_childs, info_data->closed_childs, info_data->crashed_childs, info_data->closing_childs);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
static void print_running_servers_statistics(struct info_req_data *info_data)
{
char buf[1024];
int sz, i;
struct stats_tmpl *tmpl;
ci_membuf_t *tmp_membuf = NULL;
const char *TableName = "Running servers";
if (!check_group(info_data->print_page, info_data->tables, TableName))
return;
if (info_data->format == OUT_FMT_CSV)
return print_running_servers_statistics_csv(info_data);
if (info_data->format == OUT_FMT_TEXT)
tmpl = &txt_tmpl;
else
tmpl = &html_tmpl;
assert(info_data->body);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_start, TableName, "statistics", info_data->time_str);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Children number", info_data->childs);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Free Servers", info_data->free_servers);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Used Servers", info_data->used_servers);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Started Processes", info_data->started_childs);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Closed Processes", info_data->closed_childs);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Crashed Processes", info_data->crashed_childs);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Closing Processes", info_data->closing_childs);
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
/*Children pids*/
tmp_membuf = ci_membuf_new_sized(4096);
assert(ci_membuf_set_flag(tmp_membuf, CI_MEMBUF_NULL_TERMINATED) != 0);
for (i = 0; i < info_data->childs; i++) {
sz = snprintf(buf, sizeof(buf), "%d ", info_data->child_pids[i]);
ci_membuf_write(tmp_membuf, buf, sz, 0);
}
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_str, "Children pids", ci_membuf_raw(tmp_membuf));
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
/*Closing children pids*/
ci_membuf_truncate(tmp_membuf, 0);
for (i = 0; i < info_data->closing_childs; i++) {
sz = snprintf(buf, sizeof(buf), "%d ", info_data->closing_child_pids[i]);
ci_membuf_write(tmp_membuf, buf, sz, 0);
}
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_str, "Closing Children pids", ci_membuf_raw(tmp_membuf));
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
/*Print inter-process semaphores*/
/*TODO: add mechanism to list all created interprocess semaphores not only the following two*/
ci_membuf_truncate(tmp_membuf, 0);
sz = accept_mutex.scheme->proc_mutex_print_info(&accept_mutex, buf, sizeof(buf));
ci_membuf_write(tmp_membuf, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
ci_membuf_write(tmp_membuf, tmpl->sep, strlen(tmpl->sep), 0);
sz = accept_mutex.scheme->proc_mutex_print_info(&childs_queue->queue_mtx, buf, sizeof(buf));
ci_membuf_write(tmp_membuf, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_str, "Semaphores in use", ci_membuf_raw(tmp_membuf));
ci_membuf_write(info_data->body, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
/*Shared mem info*/
/*Add mechanism to list all allocated shared mem-blocks*/
ci_membuf_truncate(tmp_membuf, 0);
if (childs_queue->shmid.scheme) {
sz = childs_queue->shmid.scheme->shared_mem_print_info(&childs_queue->shmid, buf, sizeof(buf));
ci_membuf_write(tmp_membuf, buf, sz < sizeof(buf) ? sz : sizeof(buf), 0);
}
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_str, "Shared mem-blocks in use", ci_membuf_raw(tmp_membuf));
ci_membuf_write(info_data->body,buf, sz, 0);
ci_membuf_write(info_data->body, tmpl->simple_table_end, strlen(tmpl->simple_table_end), 0);
ci_membuf_free(tmp_membuf);
tmp_membuf = NULL;
}
static void print_per_time_table_csv(struct info_req_data *info_data, const char *label, struct per_time_stats *time_stats)
{
char buf[1024];
int sz, j;
sz = snprintf(buf, sizeof(buf), "\"Time\",\"Requests\",\"Requests/second\",\"Average used servers\",\"Average running servers\",\"Average running children\"");
ci_membuf_write(info_data->body, buf, sz, 0);
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].average) {
sz = snprintf(buf, sizeof(buf), ",\"%s\"", InfoTimeCountersId[j].name);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_time) {
sz = snprintf(buf, sizeof(buf), ",\"%s\"", InfoTimeCountersId[j].name);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_request) {
sz = snprintf(buf, sizeof(buf), ",\"%s\"", InfoTimeCountersId[j].name);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
ci_membuf_write(info_data->body, "\n", 1, 0);
sz = snprintf(buf, sizeof(buf), "%lld,%" PRIu64 ",%" PRIu64 ",%d,%d,%d", (long long)info_data->time, time_stats->requests, time_stats->requests_per_sec, time_stats->used_servers, time_stats->max_servers, time_stats->children);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].average) {
sz = snprintf(buf, sizeof(buf), ",%" PRIu64 "", time_stats->uint64_average[j]);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_time) {
sz = snprintf(buf, sizeof(buf), ",%" PRIu64, time_stats->kbs_per_sec[j].bytes);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_request) {
sz = snprintf(buf, sizeof(buf), ",%" PRIu64, time_stats->kbs_per_request[j].bytes);
_CI_ASSERT(sz < sizeof(buf));
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
ci_membuf_write(info_data->body, "\n", 1, 0);
}
static void print_per_time_table(struct info_req_data *info_data, const char *label, struct per_time_stats *time_stats)
{
int sz, j;
struct stats_tmpl *tmpl;
char buf[1024];
if (info_data->format == OUT_FMT_CSV)
return print_per_time_table_csv(info_data, label, time_stats);
else if (info_data->format == OUT_FMT_TEXT)
tmpl = &txt_tmpl;
else
tmpl = &html_tmpl;
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_start, label, "statistics", info_data->time_str);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Requests", time_stats->requests);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Requests/second", time_stats->requests_per_sec);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Average used servers", time_stats->used_servers);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Average running servers", time_stats->max_servers);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_int, "Average running children", time_stats->children);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].average) {
sz = 0;
if (InfoTimeCountersId[j].type == CI_STAT_TIME_US_T || InfoTimeCountersId[j].type == CI_STAT_TIME_MS_T || InfoTimeCountersId[j].type == CI_STAT_INT64_MEAN_T)
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_usec, InfoTimeCountersId[j].name, time_stats->uint64_average[j]);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_time) {
char label[256];
snprintf(label, sizeof(label), "%s per second", InfoTimeCountersId[j].name);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_kbs, label, ci_kbs_kilobytes(&time_stats->kbs_per_sec[j]), ci_kbs_remainder_bytes(&time_stats->kbs_per_sec[j]));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
for (j = 0; InfoTimeCountersId[j].name != NULL; j++) {
if (InfoTimeCountersId[j].per_request) {
char label[256];
snprintf(label, sizeof(label), "%s per request", InfoTimeCountersId[j].name);
sz = snprintf(buf, sizeof(buf), tmpl->simple_table_item_kbs, label, ci_kbs_kilobytes(&time_stats->kbs_per_request[j]), ci_kbs_remainder_bytes(&time_stats->kbs_per_request[j]));
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
}
}
sz = snprintf(buf, sizeof(buf), "%s", tmpl->simple_table_end);
if (sz >= sizeof(buf))
sz = sizeof(buf) - 1;
ci_membuf_write(info_data->body, buf, sz, 0);
}
static void print_per_time_stats(struct info_req_data *info_data)
{
if (info_data->info_time_stats) {
int k;
struct {
const char *label;
struct per_time_stats *v;
} time_servers[5] = {{"Current", &info_data->info_time_stats->_1sec},
{"Last 1 minute", &info_data->info_time_stats->_1min},
{"Last 5 minutes", &info_data->info_time_stats->_5min},
{"Last 30 minutes", &info_data->info_time_stats->_30min},
{"Last 60 minutes", &info_data->info_time_stats->_60min}};
for (k = 0; k < 5; ++k) {
if (!check_group(info_data->print_page, info_data->tables, time_servers[k].label))
continue;
print_per_time_table(info_data, time_servers[k].label, time_servers[k].v);
}
}
}
static void print_mempools(struct info_req_data *info_data)
{
int sz;
char buf[1024];
struct stats_tmpl *tmpl;
const char *TableName = "Memory pools";
if (!check_group(info_data->print_page, info_data->tables, TableName))
return;
if (info_data->format == OUT_FMT_TEXT)
tmpl = &txt_tmpl;
else
tmpl = &html_tmpl;
struct subgroups_data mempools_data = {
.name = "pool",