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pinba.c
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pinba.c
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/*
* Authors: Antony Dovgal <tony@daylessday.org>
* Florian Forster <ff at octo.it> (IPv6 support)
*
* 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string.h>
#include "php.h"
#include "php_ini.h"
#include "SAPI.h"
#include "ext/standard/info.h"
#include "ext/standard/php_array.h"
#ifdef HAVE_MALLOC_H
# include <malloc.h>
#endif
#include "php_pinba.h"
#include "pinba.pb-c.h"
zend_class_entry *pinba_client_ce;
static zend_object_handlers pinba_client_handlers;
typedef struct {
char **servers;
int n_servers;
char *hostname;
char *server_name;
char *script_name;
char *schema;
size_t request_count;
size_t document_size;
size_t memory_peak;
double rusage[2];
float request_time;
unsigned int status;
size_t memory_footprint;
HashTable tags;
HashTable timers;
pinba_collector collectors[PINBA_COLLECTORS_MAX];
unsigned int n_collectors;
long flags;
int collectors_initialized:1;
int data_sent:1;
zend_object std;
} pinba_client_t;
ZEND_DECLARE_MODULE_GLOBALS(pinba)
#ifdef COMPILE_DL_PINBA
ZEND_GET_MODULE(pinba)
#endif
static int le_pinba_timer;
size_t (*old_sapi_ub_write) (const char *, size_t);
#if ZEND_MODULE_API_NO > 20020429
#define ONUPDATELONGFUNC OnUpdateLong
#else
#define ONUPDATELONGFUNC OnUpdateInt
#endif
#define PINBA_FLUSH_ONLY_STOPPED_TIMERS (1<<0)
#define PINBA_FLUSH_RESET_DATA (1<<1)
#define PINBA_ONLY_RUNNING_TIMERS (1<<2)
#define PINBA_AUTO_FLUSH (1<<3)
static HashTable resolver_cache;
typedef struct _pinba_timer_tag { /* {{{ */
char *name;
int name_len;
int name_id;
char *value; /* we cast all types to string */
int value_len;
int value_id;
} pinba_timer_tag_t;
/* }}} */
typedef struct _pinba_timer { /* {{{ */
int rsrc_id;
unsigned int started:1;
unsigned int hit_count;
pinba_timer_tag_t **tags;
int tags_num;
struct {
int tv_sec;
int tv_usec;
} start;
struct {
int tv_sec;
int tv_usec;
} value;
zval data;
struct timeval tmp_ru_utime;
struct timeval tmp_ru_stime;
struct timeval ru_utime;
struct timeval ru_stime;
unsigned deleted:1;
} pinba_timer_t;
/* }}} */
#define PHP_ZVAL_TO_TIMER(zval, timer) \
timer = (pinba_timer_t *)zend_fetch_resource(Z_RES_P(zval), "pinba timer", le_pinba_timer); \
if (!timer) { \
RETURN_FALSE; \
}
static inline pinba_client_t *php_pinba_client_object(zend_object *obj) {
return (pinba_client_t *)((char*)(obj) - XtOffsetOf(pinba_client_t, std));
}
#define Z_PINBACLIENT_P(zv) php_pinba_client_object(Z_OBJ_P(zv))
#define timeval_cvt(a, b) do { (a)->tv_sec = (b)->tv_sec; (a)->tv_usec = (b)->tv_usec; } while (0);
#define timeval_to_float(t) (float)(t).tv_sec + (float)(t).tv_usec / 1000000.0
#define float_to_timeval(f, t) \
do { \
(t).tv_sec = (int)(f); \
(t).tv_usec = (int)((f - (double)(t).tv_sec) * 1000000.0); \
} while(0);
#ifndef timersub
# define timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
#ifndef timeradd
# define timeradd(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
if ((result)->tv_usec >= 1000000) { \
(result)->tv_sec++; \
(result)->tv_usec -= 1000000; \
} \
} while (0)
#endif
static int php_pinba_key_compare(const void *a, const void *b);
/* {{{ internal funcs */
static inline pinba_collector* php_pinba_collector_add(pinba_collector *collectors, unsigned int *n_collectors) /* {{{ */
{
if (*n_collectors >= PINBA_COLLECTORS_MAX) {
return NULL;
}
return &collectors[(*n_collectors)++];
}
/* }}} */
static inline void php_pinba_cleanup_collectors(pinba_collector *collectors, unsigned int *n_collectors) /* {{{ */
{
int i;
for (i = 0; i < *n_collectors; i++) {
pinba_collector *collector = &collectors[i];
if (collector->host) {
free(collector->host);
}
if (collector->port) {
free(collector->port);
}
}
*n_collectors = 0;
}
/* }}} */
static inline int php_pinba_parse_server(char *address, char **host, char **port) /* {{{ */
{
char *new_node, *new_service = NULL;
*host = *port = NULL;
if (address[0] == 0) { /* empty string, just skip */
return FAILURE;
}
/* '[' <node> ']' [':' <service>] */
if (address[0] == '[') {
char *endptr;
new_node = address + 1;
endptr = strchr(new_node, ']');
if (endptr == NULL) {
return FAILURE;
}
*endptr = 0;
endptr++;
if (*endptr != ':' && *endptr != 0) {
return FAILURE;
}
if (*endptr != 0) {
new_service = endptr + 1;
}
if (new_service != NULL && *new_service == 0) {
new_service = NULL;
}
}
/* <ipv4 node> [':' <service>] */
else if ((strchr(address, ':') == NULL) /* no colon */
|| (strchr(address, ':') == strrchr(address, ':'))) { /* exactly one colon */
char *endptr = strchr(address, ':');
if (endptr != NULL) {
*endptr = 0;
new_service = endptr + 1;
}
new_node = address;
}
/* <ipv6 node> */
else { /* multiple colons */
new_node = address;
}
*host = new_node;
*port = new_service;
return SUCCESS;
}
/* }}} */
static inline int php_pinba_timer_stop(pinba_timer_t *t, struct timeval *pnow, struct rusage *pu) /* {{{ */
{
struct timeval now;
struct rusage u, tmp;
if (!t->started) {
return FAILURE;
}
if (pnow) {
now = *pnow;
} else {
if (gettimeofday(&now, 0) != 0) {
return FAILURE;
}
}
timersub(&now, &t->start, &t->value);
if (pu) {
u = *pu;
} else {
if (getrusage(RUSAGE_SELF, &u) != 0) {
return FAILURE;
}
}
timersub(&u.ru_utime, &t->tmp_ru_utime, &tmp.ru_utime);
timersub(&u.ru_stime, &t->tmp_ru_stime, &tmp.ru_stime);
timeradd(&t->ru_utime, &tmp.ru_utime, &t->ru_utime);
timeradd(&t->ru_stime, &tmp.ru_stime, &t->ru_stime);
t->started = 0;
return SUCCESS;
}
/* }}} */
static inline void php_pinba_timer_tags_dtor(pinba_timer_tag_t **tags, int tags_num) /* {{{ */
{
int i;
pinba_timer_tag_t *tag;
for (i = 0; i < tags_num; i++) {
tag = *(tags + i);
if (tag) {
if (tag->name) {
efree(tag->name);
}
if (tag->value) {
efree(tag->value);
}
efree(tag);
}
}
}
/* }}} */
static void php_pinba_timer_dtor(pinba_timer_t *t) /* {{{ */
{
php_pinba_timer_tags_dtor(t->tags, t->tags_num);
efree(t->tags);
}
/* }}} */
static void php_timer_hash_dtor(zval *zv) /* {{{ */
{
pinba_timer_t *t = Z_PTR_P(zv);
if (t) {
php_pinba_timer_dtor(t);
efree(t);
}
}
/* }}} */
static void php_tag_hash_dtor(zval *zv) /* {{{ */
{
char *tag = Z_PTR_P(zv);
if (tag) {
efree(tag);
}
}
/* }}} */
static int php_pinba_tags_to_hashed_string(pinba_timer_tag_t **tags, int tags_num, char **hashed_tags, size_t *hashed_tags_len) /* {{{ */
{
int i;
char *buf;
size_t buf_len, wrote_len;
*hashed_tags = NULL;
*hashed_tags_len = 0;
if (!tags_num) {
return FAILURE;
}
buf_len = 4096;
wrote_len = 0;
buf = (char *)emalloc(buf_len + 1);
for (i = 0; i < tags_num; i++) {
if (buf_len <= (wrote_len + tags[i]->name_len + 2 + tags[i]->value_len + 1)) {
buf_len = wrote_len + tags[i]->name_len + 2 + tags[i]->value_len + 1 + 4096;
buf = (char *)erealloc(buf, buf_len + 1);
}
memcpy(buf + wrote_len, tags[i]->name, tags[i]->name_len);
wrote_len += tags[i]->name_len;
memcpy(buf + wrote_len, "=>", 2);
wrote_len += 2;
memcpy(buf + wrote_len, tags[i]->value, tags[i]->value_len);
wrote_len += tags[i]->value_len;
memcpy(buf + wrote_len, ",", 1);
wrote_len += 1;
}
buf[wrote_len] = '\0';
*hashed_tags = buf;
*hashed_tags_len = wrote_len;
return SUCCESS;
}
/* }}} */
static void php_timer_resource_dtor(zend_resource *entry) /* {{{ */
{
pinba_timer_t *t = (pinba_timer_t *)entry->ptr;
php_pinba_timer_stop(t, NULL, NULL);
/* php_pinba_timer_dtor(t); all timers are destroyed at once */
/* but we don't need the user data anymore */
if (!Z_ISUNDEF(t->data)) {
zval_ptr_dtor(&t->data);
}
if (!t->deleted && !PINBA_G(in_rshutdown)) {
/* do nothing */
} else {
php_pinba_timer_dtor(t);
efree(t);
}
}
/* }}} */
static int php_pinba_timer_stop_helper(zval *zv, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
{
if (Z_RES_TYPE_P(zv) == le_pinba_timer) {
long flags = va_arg(args, long);
struct timeval *now = va_arg(args, struct timeval *);
struct rusage *u = va_arg(args, struct rusage *);
pinba_timer_t *t = (pinba_timer_t *)Z_RES_VAL_P(zv);
if (t->deleted || ((flags & PINBA_FLUSH_ONLY_STOPPED_TIMERS) != 0 && t->started)) {
return ZEND_HASH_APPLY_KEEP;
} else {
php_pinba_timer_stop(t, now, u);
t->deleted = 1; /* ignore next time */
}
if (zend_hash_index_exists(&PINBA_G(timers), t->rsrc_id) == 0) {
zend_hash_index_update_ptr(&PINBA_G(timers), t->rsrc_id, t);
}
return ZEND_HASH_APPLY_KEEP;
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static int php_pinba_timer_delete_helper(zval *zv) /* {{{ */
{
if (Z_RES_TYPE_P(zv) == le_pinba_timer) {
pinba_timer_t *t = (pinba_timer_t *)Z_RES_VAL_P(zv);
if (t->deleted) {
/* only delete from the list if there are no references to this zval */
if (GC_REFCOUNT(Z_COUNTED_P(zv)) == 1) {
return ZEND_HASH_APPLY_REMOVE;
}
}
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static size_t sapi_ub_write_counter(const char *str, size_t length) /* {{{ */
{
PINBA_G(tmp_req_data).doc_size += length;
#if PHP_VERSION_ID < 50400
return PINBA_G(old_sapi_ub_write)(str, length);
#else
return old_sapi_ub_write(str, length);
#endif
}
/* }}} */
static pinba_sockaddr *php_pinba_connect_socket(const char *host, const char *port) /* {{{ */
{
pinba_sockaddr *sa;
time_t now = time(NULL);
char *hostport;
size_t hostport_len;
hostport_len = spprintf(&hostport, 0, "%s:%s", host, port);
sa = zend_hash_str_find_ptr(&resolver_cache, hostport, hostport_len);
if (sa) {
if ((now - sa->sockaddr_time) < PINBA_G(resolve_interval)) {
efree(hostport);
return sa;
}
/* delete the value and proceed to re-resolve */
zend_hash_str_del(&resolver_cache, hostport, hostport_len);
sa = NULL;
}
struct addrinfo *ai_list;
struct addrinfo *ai_ptr = NULL;
struct addrinfo ai_hints;
memset(&ai_hints, 0, sizeof(ai_hints));
ai_hints.ai_flags = 0;
#ifdef AI_ADDRCONFIG
ai_hints.ai_flags |= AI_ADDRCONFIG;
#endif
ai_hints.ai_family = AF_UNSPEC;
ai_hints.ai_socktype = SOCK_DGRAM;
ai_hints.ai_addr = NULL;
ai_hints.ai_canonname = NULL;
ai_hints.ai_next = NULL;
ai_list = NULL;
int status = getaddrinfo(host, port, &ai_hints, &ai_list);
if (status != 0) {
efree(hostport);
php_error_docref(NULL, E_WARNING, "failed to resolve Pinba server hostname '%s': %s", host, gai_strerror(status));
return NULL;
} else {
for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next) {
int fd = socket(ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
if (fd >= 0) {
sa = pecalloc(1, sizeof(pinba_sockaddr), 1);
memcpy(&sa->sockaddr, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
sa->sockaddr_len = ai_ptr->ai_addrlen;
sa->sockaddr_time = now;
sa->fd = fd;
zend_hash_str_update_ptr(&resolver_cache, hostport, hostport_len, sa);
break;
}
}
}
freeaddrinfo(ai_list);
efree(hostport);
return sa;
}
/* }}} */
static int php_pinba_init_socket(pinba_collector *collectors, int n_collectors) /* {{{ */
{
int i;
int n_fds;
if (n_collectors == 0) {
return FAILURE;
}
n_fds = 0;
for (i = 0; i < n_collectors; i++) {
pinba_collector *collector = &collectors[i];
pinba_sockaddr *sa = php_pinba_connect_socket(collector->host, collector->port);
if (!sa) {
continue; /* skip this one in case others are good */
}
n_fds++;
}
return (n_fds > 0) ? SUCCESS : FAILURE;
} /* }}} */
static inline int php_pinba_dict_find_or_add(HashTable *ht, char *word, size_t word_len) /* {{{ */
{
size_t id, cnt;
id = (size_t)zend_hash_str_find_ptr(ht, word, word_len);
if (!id) {
cnt = zend_hash_num_elements(ht) + 1;
if (zend_hash_str_add_ptr(ht, word, word_len, (void *)cnt) == NULL) {
return -1;
}
return cnt - 1;
}
return id - 1;
}
/* }}} */
static inline char *_pinba_fetch_global_var(char *name, int name_len) /* {{{ */
{
char *res;
zval *tmp;
if (!PINBA_G(in_rshutdown) && (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY || zend_is_auto_global_str(ZEND_STRL("_SERVER")))) {
tmp = zend_hash_str_find(HASH_OF(&PG(http_globals)[TRACK_VARS_SERVER]), name, name_len);
if (tmp && Z_TYPE_P(tmp) == IS_STRING && Z_STRLEN_P(tmp) > 0) {
res = strdup(Z_STRVAL_P(tmp));
return res;
}
}
res = strdup("unknown");
return res;
}
/* }}} */
static inline Pinba__Request *php_create_pinba_packet(pinba_client_t *client, const char *custom_script_name, int flags) /* {{{ */
{
HashTable dict, *tags, *timers, timers_uniq;
HashPosition pos;
Pinba__Request *request;
char hostname[256], *tag_value;
pinba_req_data *req_data = &PINBA_G(tmp_req_data);
int timers_num, tags_cnt, *tag_ids = NULL, *tag_value_ids = NULL, i, n;
size_t id;
request = malloc(sizeof(Pinba__Request));
if (!request) {
return NULL;
}
pinba__request__init(request);
if (client) {
request->memory_peak = client->memory_peak;
request->request_count = client->request_count;
request->document_size = client->document_size;
request->request_time = client->request_time;
request->ru_utime = client->rusage[0];
request->ru_stime = client->rusage[1];
request->status = client->status;
request->has_status = 1;
request->memory_footprint = client->memory_footprint;
request->has_memory_footprint = 1;
if (client->schema && client->schema[0] != '\0') {
request->schema = strdup(client->schema);
}
if (client->hostname) {
request->hostname = strdup(client->hostname);
} else {
gethostname(hostname, sizeof(hostname));
hostname[sizeof(hostname) - 1] = '\0';
request->hostname = strdup(hostname);
}
if (client->server_name) {
request->server_name = strdup(client->server_name);
} else {
request->server_name = _pinba_fetch_global_var("SERVER_NAME", sizeof("SERVER_NAME")-1);
}
if (custom_script_name) {
request->script_name = strdup(custom_script_name);
} else if (client->script_name) {
request->script_name = strdup(client->script_name);
} else {
request->script_name = _pinba_fetch_global_var("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1);
}
tags = &client->tags;
timers = &client->timers;
} else {
struct timeval ru_utime = {0, 0}, ru_stime = {0, 0};
struct rusage u;
#if PHP_MAJOR_VERSION >= 5
req_data->mem_peak_usage = zend_memory_peak_usage(1);
#elif PHP_MAJOR_VERSION == 4 && MEMORY_LIMIT
req_data->mem_peak_usage = AG(allocated_memory_peak);
#else
/* no data available */
req_data->mem_peak_usage = 0;
#endif
request->memory_peak = req_data->mem_peak_usage;
request->request_count = req_data->req_count;
request->document_size = req_data->doc_size;
if (PINBA_G(request_time) > 0) {
request->request_time = PINBA_G(request_time);
} else {
struct timeval request_finish, req_time;
gettimeofday(&request_finish, 0);
timersub(&request_finish, &req_data->req_start, &req_time);
request->request_time = timeval_to_float(req_time);
}
if (getrusage(RUSAGE_SELF, &u) == 0) {
timersub(&u.ru_utime, &req_data->ru_utime, &ru_utime);
timersub(&u.ru_stime, &req_data->ru_stime, &ru_stime);
}
request->ru_utime = timeval_to_float(ru_utime);
request->ru_stime = timeval_to_float(ru_stime);
request->status = SG(sapi_headers).http_response_code;
request->has_status = 1;
#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
{
struct mallinfo info;
info = mallinfo();
request->memory_footprint = info.arena;// + info.hblkhd;
}
#else
request->memory_footprint = 0;
#endif
request->has_memory_footprint = 1;
if (PINBA_G(schema)[0] != '\0') {
request->schema = strdup(PINBA_G(schema));
}
if (PINBA_G(host_name)[0] != '\0') {
request->hostname = strdup(PINBA_G(host_name));
} else {
gethostname(hostname, sizeof(hostname));
hostname[sizeof(hostname) - 1] = '\0';
request->hostname = strdup(hostname);
}
if (PINBA_G(server_name)) {
request->server_name = strdup(PINBA_G(server_name));
} else {
request->server_name = _pinba_fetch_global_var("SERVER_NAME", sizeof("SERVER_NAME")-1);
}
if (custom_script_name) {
request->script_name = strdup(custom_script_name);
} else if (PINBA_G(script_name)) {
request->script_name = strdup(PINBA_G(script_name));
} else {
request->script_name = _pinba_fetch_global_var("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1);
}
tags = &PINBA_G(tags);
timers = &PINBA_G(timers);
}
zend_hash_init(&dict, 10, NULL, NULL, 0);
tags_cnt = zend_hash_num_elements(tags);
if (tags_cnt) {
int tag_num = 0;
zend_hash_sort(tags, php_pinba_key_compare, 0);
tag_ids = ecalloc(tags_cnt, sizeof(int));
tag_value_ids = ecalloc(tags_cnt, sizeof(int));
for (zend_hash_internal_pointer_reset_ex(tags, &pos);
(tag_value = zend_hash_get_current_data_ptr_ex(tags, &pos)) != NULL;
zend_hash_move_forward_ex(tags, &pos)) {
zend_string *key = NULL;
zend_ulong num_key;
int word_id;
word_id = php_pinba_dict_find_or_add(&dict, tag_value, strlen(tag_value));
if (word_id < 0) {
continue;
}
tag_value_ids[tag_num] = word_id;
if (zend_hash_get_current_key_ex(tags, &key, &num_key, &pos) == HASH_KEY_IS_STRING) {
word_id = php_pinba_dict_find_or_add(&dict, key->val, key->len);
if (word_id < 0) {
continue;
}
tag_ids[tag_num] = word_id;
}
tag_num++;
}
tags_cnt = tag_num;
}
timers_num = zend_hash_num_elements(timers);
if (timers_num > 0) {
pinba_timer_t *t, *old_t;
char *hashed_tags;
size_t hashed_tags_len;
/* make sure we send aggregated timers to the server */
zend_hash_init(&timers_uniq, 10, NULL, NULL, 0);
for (zend_hash_internal_pointer_reset_ex(timers, &pos);
(t = zend_hash_get_current_data_ptr_ex(timers, &pos)) != NULL;
zend_hash_move_forward_ex(timers, &pos)) {
/* aggregate only stopped timers */
if ((flags & PINBA_FLUSH_ONLY_STOPPED_TIMERS) != 0 && t->started) {
continue;
}
if (php_pinba_tags_to_hashed_string(t->tags, t->tags_num, &hashed_tags, &hashed_tags_len) != SUCCESS) {
continue;
}
old_t = zend_hash_str_find_ptr(&timers_uniq, hashed_tags, hashed_tags_len);
if (old_t != NULL) {
timeradd(&old_t->value, &t->value, &old_t->value);
timeradd(&old_t->ru_utime, &t->ru_utime, &old_t->ru_utime);
timeradd(&old_t->ru_stime, &t->ru_stime, &old_t->ru_stime);
if (t->hit_count) {
old_t->hit_count += t->hit_count;
} else {
old_t->hit_count++;
}
} else {
zend_hash_str_add_ptr(&timers_uniq, hashed_tags, hashed_tags_len, t);
}
efree(hashed_tags);
}
/* create our temporary dictionary and add ids to timers */
for (zend_hash_internal_pointer_reset_ex(&timers_uniq, &pos);
(t = zend_hash_get_current_data_ptr_ex(&timers_uniq, &pos)) != NULL;
zend_hash_move_forward_ex(&timers_uniq, &pos)) {
for (i = 0; i < t->tags_num; i++) {
int word_id;
word_id = php_pinba_dict_find_or_add(&dict, t->tags[i]->name, t->tags[i]->name_len);
if (word_id < 0) {
break;
}
t->tags[i]->name_id = word_id;
word_id = php_pinba_dict_find_or_add(&dict, t->tags[i]->value, t->tags[i]->value_len);
if (word_id < 0) {
break;
}
t->tags[i]->value_id = word_id;
}
}
}
n = zend_hash_num_elements(&dict);
request->dictionary = malloc(sizeof(char *) * n);
if (!request->dictionary) {
pinba__request__free_unpacked(request, NULL);
return NULL;
}
n = 0;
for (zend_hash_internal_pointer_reset_ex(&dict, &pos);
(id = (size_t)zend_hash_get_current_data_ex(&dict, &pos) != 0);
zend_hash_move_forward_ex(&dict, &pos)) {
zend_string *str;
zend_ulong num_key;
if (zend_hash_get_current_key_ex(&dict, &str, &num_key, &pos) == HASH_KEY_IS_STRING) {
request->dictionary[n] = strndup(str->val, str->len);
n++;
} else {
continue;
}
}
zend_hash_destroy(&dict);
request->n_dictionary = n;
if (tags_cnt) {
request->tag_name = malloc(sizeof(unsigned int) * tags_cnt);
request->n_tag_name = tags_cnt;
request->tag_value = malloc(sizeof(unsigned int) * tags_cnt);
request->n_tag_value = tags_cnt;
for (i = 0; i < tags_cnt; i++) {
request->tag_name[i] = tag_ids[i];
request->tag_value[i] = tag_value_ids[i];
}
efree(tag_ids);
efree(tag_value_ids);
}
/* timers */
if (timers_num > 0) {
pinba_timer_t *t;
n = zend_hash_num_elements(&timers_uniq);
request->timer_hit_count = malloc(sizeof(unsigned int) * n);
request->timer_tag_count = malloc(sizeof(unsigned int) * n);
request->timer_ru_stime = malloc(sizeof(float) * n);
request->timer_ru_utime = malloc(sizeof(float) * n);
request->timer_tag_name = NULL;
request->timer_tag_value = NULL;
request->timer_value = malloc(sizeof(float) * n);
if (!request->timer_hit_count || !request->timer_tag_count || !request->timer_value || !request->timer_ru_stime || !request->timer_ru_utime) {
pinba__request__free_unpacked(request, NULL);
return NULL;
}
n = 0;
for (zend_hash_internal_pointer_reset_ex(&timers_uniq, &pos);
(t = zend_hash_get_current_data_ptr_ex(&timers_uniq, &pos)) != NULL;
zend_hash_move_forward_ex(&timers_uniq, &pos)) {
request->timer_tag_name = realloc(request->timer_tag_name, sizeof(unsigned int) * (request->n_timer_tag_name + t->tags_num));
request->timer_tag_value = realloc(request->timer_tag_value, sizeof(unsigned int) * (request->n_timer_tag_value + t->tags_num));
if (!request->timer_tag_name || !request->timer_tag_value) {
pinba__request__free_unpacked(request, NULL);
return NULL;
}
for (i = 0; i < t->tags_num; i++) {
request->timer_tag_name[request->n_timer_tag_name + i] = t->tags[i]->name_id;
request->timer_tag_value[request->n_timer_tag_value + i] = t->tags[i]->value_id;
}
request->n_timer_tag_name += i;
request->n_timer_tag_value += i;
request->timer_tag_count[n] = i;
request->timer_hit_count[n] = t->hit_count;
request->timer_value[n] = timeval_to_float(t->value);
request->timer_ru_utime[n] = timeval_to_float(t->ru_utime);
request->timer_ru_stime[n] = timeval_to_float(t->ru_stime);
n++;
}
request->n_timer_tag_count = n;
request->n_timer_hit_count = n;
request->n_timer_ru_utime = n;
request->n_timer_ru_stime = n;
request->n_timer_value = n;
zend_hash_destroy(&timers_uniq);
}
return request;
}
/* }}} */
#define PINBA_PACK(request, data, data_len) \
unsigned char _pad[256]; \
ProtobufCBufferSimple _buf = PROTOBUF_C_BUFFER_SIMPLE_INIT (_pad); \
ProtobufCBuffer *_buffer = (ProtobufCBuffer *) &_buf; \
pinba__request__pack_to_buffer((request), _buffer); \
(data) = (char *)_buf.data; \
(data_len) = _buf.len; \
#define PINBA_FREE_BUFFER() \
PROTOBUF_C_BUFFER_SIMPLE_CLEAR(&_buf)
static inline int php_pinba_req_data_send(pinba_client_t *client, const char *custom_script_name, int flags) /* {{{ */
{
int ret = SUCCESS;
Pinba__Request *request;
request = php_create_pinba_packet(client, custom_script_name, flags);
if (request) {
int i, n_collectors, data_len;
ssize_t sent;
pinba_collector *collectors;
char *data;
if (client) {
/* disable AUTO_FLUSH if data has been sent manually */
client->data_sent = 1;
}
PINBA_PACK(request, data, data_len);
if (client) {
n_collectors = client->n_collectors;
collectors = client->collectors;
} else {
n_collectors = PINBA_G(n_collectors);
collectors = PINBA_G(collectors);
}
for (i = 0; i < n_collectors; i++) {
pinba_collector *collector = &collectors[i];
pinba_sockaddr *sa = php_pinba_connect_socket(collector->host, collector->port);
if (!sa) {
continue; /* skip this one in case others are good */
}
sent = sendto(sa->fd, data, data_len, 0, (struct sockaddr *) &sa->sockaddr, sa->sockaddr_len);
if (sent < data_len) {
php_error_docref(NULL, E_WARNING, "failed to send data to Pinba server: %s", strerror(errno));
ret = FAILURE;
}
}
PINBA_FREE_BUFFER();
pinba__request__free_unpacked(request, NULL);
} else {
ret = FAILURE;
}
return ret;
}
/* }}} */
static inline void php_pinba_req_data_dtor(pinba_req_data *record) /* {{{ */
{
if (record->server_name) {
efree(record->server_name);
}
if (record->script_name) {
efree(record->script_name);
}
memset(record, 0, sizeof(pinba_req_data));
}
/* }}} */
static inline void php_pinba_reset_data(void) /* {{{ */
{
struct timeval t;
struct rusage u;