/* $Id: fpm_request.c,v 1.9.2.1 2008/11/15 00:57:24 anight Exp $ */
/* (c) 2007,2008 Andrei Nigmatulin */
#ifdef HAVE_TIMES
#include <sys/times.h>
#endif
#include "fpm_config.h"
#include "fpm.h"
#include "fpm_php.h"
#include "fpm_str.h"
#include "fpm_clock.h"
#include "fpm_conf.h"
#include "fpm_trace.h"
#include "fpm_php_trace.h"
#include "fpm_process_ctl.h"
#include "fpm_children.h"
#include "fpm_scoreboard.h"
#include "fpm_status.h"
#include "fpm_request.h"
#include "fpm_log.h"
#include "zlog.h"
static const char *requests_stages[] = {
[FPM_REQUEST_ACCEPTING] = "Idle",
[FPM_REQUEST_READING_HEADERS] = "Reading headers",
[FPM_REQUEST_INFO] = "Getting request informations",
[FPM_REQUEST_EXECUTING] = "Running",
[FPM_REQUEST_END] = "Ending",
[FPM_REQUEST_FINISHED] = "Finishing",
};
const char *fpm_request_get_stage_name(int stage) {
return requests_stages[stage];
}
void fpm_request_accepting() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_ACCEPTING;
proc->tv = now;
fpm_scoreboard_proc_release(proc);
/* idle++, active-- */
fpm_scoreboard_update(1, -1, 0, 0, 0, 0, 0, FPM_SCOREBOARD_ACTION_INC, NULL);
}
/* }}} */
void fpm_request_reading_headers() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
clock_t now_epoch;
#ifdef HAVE_TIMES
struct tms cpu;
#endif
fpm_clock_get(&now);
now_epoch = time(NULL);
#ifdef HAVE_TIMES
times(&cpu);
#endif
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_READING_HEADERS;
proc->tv = now;
proc->accepted = now;
proc->accepted_epoch = now_epoch;
#ifdef HAVE_TIMES
proc->cpu_accepted = cpu;
#endif
proc->requests++;
proc->request_uri[0] = '\0';
proc->request_method[0] = '\0';
proc->script_filename[0] = '\0';
proc->query_string[0] = '\0';
proc->query_string[0] = '\0';
proc->auth_user[0] = '\0';
proc->content_length = 0;
fpm_scoreboard_proc_release(proc);
/* idle--, active++, request++ */
fpm_scoreboard_update(-1, 1, 0, 0, 1, 0, 0, FPM_SCOREBOARD_ACTION_INC, NULL);
}
/* }}} */
void fpm_request_info() /* {{{ */
{
TSRMLS_FETCH();
struct fpm_scoreboard_proc_s *proc;
char *request_uri = fpm_php_request_uri(TSRMLS_C);
char *request_method = fpm_php_request_method(TSRMLS_C);
char *script_filename = fpm_php_script_filename(TSRMLS_C);
char *query_string = fpm_php_query_string(TSRMLS_C);
char *auth_user = fpm_php_auth_user(TSRMLS_C);
size_t content_length = fpm_php_content_length(TSRMLS_C);
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_INFO;
proc->tv = now;
if (request_uri) {
strlcpy(proc->request_uri, request_uri, sizeof(proc->request_uri));
}
if (request_method) {
strlcpy(proc->request_method, request_method, sizeof(proc->request_method));
}
if (query_string) {
strlcpy(proc->query_string, query_string, sizeof(proc->query_string));
}
if (auth_user) {
strlcpy(proc->auth_user, auth_user, sizeof(proc->auth_user));
}
proc->content_length = content_length;
/* if cgi.fix_pathinfo is set to "1" and script cannot be found (404)
the sapi_globals.request_info.path_translated is set to NULL */
if (script_filename) {
strlcpy(proc->script_filename, script_filename, sizeof(proc->script_filename));
}
fpm_scoreboard_proc_release(proc);
}
/* }}} */
void fpm_request_executing() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_EXECUTING;
proc->tv = now;
fpm_scoreboard_proc_release(proc);
}
/* }}} */
void fpm_request_end(TSRMLS_D) /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
#ifdef HAVE_TIMES
struct tms cpu;
#endif
size_t memory = zend_memory_peak_usage(1 TSRMLS_CC);
fpm_clock_get(&now);
#ifdef HAVE_TIMES
times(&cpu);
#endif
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_FINISHED;
proc->tv = now;
timersub(&now, &proc->accepted, &proc->duration);
#ifdef HAVE_TIMES
timersub(&proc->tv, &proc->accepted, &proc->cpu_duration);
proc->last_request_cpu.tms_utime = cpu.tms_utime - proc->cpu_accepted.tms_utime;
proc->last_request_cpu.tms_stime = cpu.tms_stime - proc->cpu_accepted.tms_stime;
proc->last_request_cpu.tms_cutime = cpu.tms_cutime - proc->cpu_accepted.tms_cutime;
proc->last_request_cpu.tms_cstime = cpu.tms_cstime - proc->cpu_accepted.tms_cstime;
#endif
proc->memory = memory;
fpm_scoreboard_proc_release(proc);
}
/* }}} */
void fpm_request_finished() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_FINISHED;
proc->tv = now;
fpm_scoreboard_proc_release(proc);
}
/* }}} */
void fpm_request_check_timed_out(struct fpm_child_s *child, struct timeval *now, int terminate_timeout, int slowlog_timeout) /* {{{ */
{
struct fpm_scoreboard_proc_s proc, *proc_p;
proc_p = fpm_scoreboard_proc_acquire(child->wp->scoreboard, child->scoreboard_i, 1);
if (!proc_p) {
zlog(ZLOG_WARNING, "failed to acquire scoreboard");
return;
}
proc = *proc_p;
fpm_scoreboard_proc_release(proc_p);
#if HAVE_FPM_TRACE
if (child->slow_logged.tv_sec) {
if (child->slow_logged.tv_sec != proc.accepted.tv_sec || child->slow_logged.tv_usec != proc.accepted.tv_usec) {
child->slow_logged.tv_sec = 0;
child->slow_logged.tv_usec = 0;
}
}
#endif
if (proc.request_stage > FPM_REQUEST_ACCEPTING && proc.request_stage < FPM_REQUEST_END) {
char purified_script_filename[sizeof(proc.script_filename)];
struct timeval tv;
timersub(now, &proc.accepted, &tv);
#if HAVE_FPM_TRACE
if (child->slow_logged.tv_sec == 0 && slowlog_timeout &&
proc.request_stage == FPM_REQUEST_EXECUTING && tv.tv_sec >= slowlog_timeout) {
str_purify_filename(purified_script_filename, proc.script_filename, sizeof(proc.script_filename));
child->slow_logged = proc.accepted;
child->tracer = fpm_php_trace;
fpm_trace_signal(child->pid);
zlog(ZLOG_WARNING, "[pool %s] child %d, script '%s' (request: \"%s %s\") executing too slow (%d.%06d sec), logging",
child->wp->config->name, (int) child->pid, purified_script_filename, proc.request_method, proc.request_uri,
(int) tv.tv_sec, (int) tv.tv_usec);
}
else
#endif
if (terminate_timeout && tv.tv_sec >= terminate_timeout) {
str_purify_filename(purified_script_filename, proc.script_filename, sizeof(proc.script_filename));
fpm_pctl_kill(child->pid, FPM_PCTL_TERM);
zlog(ZLOG_WARNING, "[pool %s] child %d, script '%s' (request: \"%s %s\") execution timed out (%d.%06d sec), terminating",
child->wp->config->name, (int) child->pid, purified_script_filename, proc.request_method, proc.request_uri,
(int) tv.tv_sec, (int) tv.tv_usec);
}
}
}
/* }}} */
int fpm_request_is_idle(struct fpm_child_s *child) /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
/* no need in atomicity here */
proc = fpm_scoreboard_proc_get(child->wp->scoreboard, child->scoreboard_i);
if (!proc) {
return 0;
}
return proc->request_stage == FPM_REQUEST_ACCEPTING;
}
/* }}} */
int fpm_request_last_activity(struct fpm_child_s *child, struct timeval *tv) /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
if (!tv) return -1;
proc = fpm_scoreboard_proc_get(child->wp->scoreboard, child->scoreboard_i);
if (!proc) {
return -1;
}
*tv = proc->tv;
return 1;
}
/* }}} */