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molten_intercept.c
1594 lines (1392 loc) · 58.2 KB
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molten_intercept.c
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/**
* Copyright 2017 chuan-yun silkcutKs <silkcutbeta@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "molten_intercept.h"
#if PHP_VERSION_ID < 70000
#define GET_FUNC_ARG(param, arg_num) zval *param = (frame->ori_args)[arg_num]
#define GET_FUNC_ARG_UNDEC(param, arg_num) param = (frame->ori_args)[arg_num]
#else
#define GET_FUNC_ARG(param, arg_num) zval *param = ((zval *)(frame->ori_args) + arg_num)
#define GET_FUNC_ARG_UNDEC(param, arg_num) param = ((zval *)(frame->ori_args) + arg_num)
#endif
/* {{{ pt intercept hit function */
zend_bool mo_intercept_hit(mo_interceptor_t *pit, mo_interceptor_ele_t **eleDest, char *class_name, char *function_name)
{
mo_interceptor_ele_t *ele;
/* when the intercept set capture, if not sampled, the hit will return 1
* if intercept don`t set capture, if not sampled, the hit will return 0
*/
/* match name by tag */
if (class_name != NULL) {
if (mo_zend_hash_find(pit->tags, class_name, strlen(class_name) + 1, (void **)&ele) != SUCCESS) {
return 0;
}
} else if (function_name != NULL) {
if (mo_zend_hash_find(pit->tags, function_name, strlen(function_name) + 1, (void **)&ele) != SUCCESS) {
return 0;
}
} else {
return 0;
}
smart_string k = {0};
int ret = 0;
/* match */
if (class_name != NULL) {
smart_string_appends(&k, class_name);
smart_string_appendl(&k, "@", sizeof("@") - 1);
smart_string_appends(&k, function_name);
smart_string_0(&k);
} else {
smart_string_appends(&k, function_name);
smart_string_0(&k);
}
if (mo_zend_hash_find(pit->elements, smart_string_str(k), smart_string_len(k) + 1, (void **)&ele) != SUCCESS) {
ret = 0;
} else {
*eleDest = ele;
ret = 1;
}
smart_string_free(&k);
return ret;
}
/* }}} */
/* {{{ hash destroy cb */
#if PHP_VERSION_ID < 70000
static void hash_destroy_cb(void *pDest)
#else
static void hash_destroy_cb(zval *pDest)
#endif
{
mo_interceptor_ele_t **pie = (mo_interceptor_ele_t **)pDest;
pefree(*pie, 1);
}
/* }}} */
/* {{{ convert args to string */
static char *convert_args_to_string(mo_frame_t *frame)
{
int i = 0;
int arg_len = 0;
#define ARGS_MAX_LEN 64
#define ARGS_ELLIPSIS "..."
#define ARGS_ELLIPSIS_LEN (sizeof("...") - 1)
#define ARGS_REAL_LEN (ARGS_MAX_LEN - ARGS_ELLIPSIS_LEN - 1)
char *string = emalloc(ARGS_MAX_LEN);
smart_string tmp = {0};
int real_len = 0;
int stop = 0;
memset(string, 0x00, ARGS_MAX_LEN);
arg_len = smart_string_len(frame->function) + 1;
string = strncat(string, smart_string_str(frame->function), real_len - 1);
string = strncat(string, " ", 1);
for (; i < frame->arg_count; i++) {
#if PHP_VERSION_ID < 70000
tmp = repr_zval(frame->ori_args[i], 32);
#else
tmp = repr_zval(((zval *)(frame->ori_args) + i), 32);
#endif
real_len = smart_string_len(tmp) + 1;
if ((arg_len + real_len) >= ARGS_REAL_LEN) {
real_len = ARGS_REAL_LEN - arg_len;
string = strncat(string, smart_string_str(tmp), real_len - 1);
stop = 1;
break;
} else {
string = strncat(string, smart_string_str(tmp), real_len - 1);
string = strncat(string, ",", 1);
arg_len += real_len;
}
smart_string_free(&tmp);
}
if (stop == 1) {
string = strncat(string, ARGS_ELLIPSIS, ARGS_ELLIPSIS_LEN);
string[ARGS_MAX_LEN - 1] = '\0';
}
return string;
}
/* }}} */
/* {{{ Build common record */
static zval *build_com_record(mo_interceptor_t *pit, mo_frame_t *frame, int add_args)
{
zval *span;
pit->psb->start_span_ex(&span, smart_string_str(frame->function), pit->pct, frame, AN_CLIENT);
if (add_args == 1) {
char *value = convert_args_to_string(frame);
pit->psb->span_add_ba_ex(span, smart_string_str(frame->function), value, frame->exit_time, pit->pct, BA_NORMAL);
efree(value);
}
return span;
}
/* }}} */
/*******************************************************/
/********************file_contents**********************/
/*******************************************************/
static void file_contents_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
if (frame->arg_count < 1) {
return;
}
GET_FUNC_ARG(file_path, 0);
zval *span = build_com_record(pit, frame, 0);
if (MO_Z_TYPE_P(file_path) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "file.path", Z_STRVAL_P(file_path), frame->exit_time, pit->pct, BA_NORMAL);
}
mo_chain_add_span(pit->pct->pcl, span);
}
/*******************************************************/
/********************curl_multi*************************/
/*******************************************************/
/* {{{ curl multi add handle record */
static void curl_multi_add_handle_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
if (frame->arg_count < 2) {
return;
}
GET_FUNC_ARG(ch,1);
if (MO_Z_TYPE_P(ch) != IS_RESOURCE) {
return;
}
add_index_long(pit->span_info_cache, Z_RESVAL_P(ch), frame->entry_time);
}
/* }}} */
/* {{{{ curl multi remove handle */
static void curl_multi_remove_handle_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
if (frame->arg_count < 2) {
return;
}
GET_FUNC_ARG(ch,1);
if (MO_Z_TYPE_P(ch) != IS_RESOURCE) {
return;
}
zval *start_time = NULL;
if (mo_zend_hash_index_zval_find(Z_ARRVAL_P(pit->span_info_cache), Z_RESVAL_P(ch), (void **)&start_time) == SUCCESS) {
if (MO_Z_TYPE_P(start_time) == IS_LONG) {
zval *curl_span;
char *span_id;
char *parent_span_id;
retrieve_span_id_4_frame(frame, &span_id);
retrieve_parent_span_id_4_frame(frame, &parent_span_id);
pit->psb->start_span(&curl_span, "php_curl_multi", pit->pct->pch.trace_id->val, span_id, parent_span_id, Z_LVAL_P(start_time), frame->exit_time, pit->pct, AN_CLIENT);
build_curl_bannotation(curl_span, frame->exit_time, pit, ch, "curl_multi_exec", 1);
mo_chain_add_span(pit->pct->pcl, curl_span);
}
}
}
/* }}} */
/* {{{ Build curl bannotation */
void build_curl_bannotation(zval *span, long timestamp, mo_interceptor_t *pit, zval *handle, char *method, zend_bool check_error)
{
zval func;
zval *args[1];
args[0] = handle;
char *errstr = NULL;
zval *url = NULL;
zval *http_code = NULL;
zval *primary_ip = NULL;
zval *primary_port = NULL;
MO_ZVAL_STRING(&func, "curl_getinfo", 1);
zval ret1;
zval ret;
int result = mo_call_user_function(EG(function_table), (zval **)NULL, &func, &ret1, 1, args);
if (result == SUCCESS) {
if (Z_TYPE(ret1) == IS_ARRAY) {
if (mo_zend_hash_zval_find(Z_ARRVAL(ret1), "url", sizeof("url"), (void **)&url) == FAILURE) {
url = NULL;
}
if (mo_zend_hash_zval_find(Z_ARRVAL(ret1), "http_code", sizeof("http_code"), (void **)&http_code) == FAILURE) {
http_code = NULL;
}
if (mo_zend_hash_zval_find(Z_ARRVAL(ret1), "primary_ip", sizeof("primary_ip"), (void **)&primary_ip) == FAILURE) {
primary_ip = NULL;
}
if (mo_zend_hash_zval_find(Z_ARRVAL(ret1), "primary_port", sizeof("primary_port"), (void **)&primary_port) == FAILURE) {
primary_port = NULL;
}
}
}
mo_zval_dtor(&func);
/* http.url */
convert_to_string(url);
pit->psb->span_add_ba_ex(span, "http.url", Z_STRVAL_P(url), timestamp, pit->pct, BA_NORMAL);
if (check_error == 1) {
/* curl_error */
MO_ZVAL_STRING(&func, "curl_error", 1);
result = mo_call_user_function(EG(function_table), (zval **)NULL, &func, &ret, 1, args);
if (result == SUCCESS) {
if (Z_TYPE(ret) == IS_STRING && Z_STRLEN(ret) > 0) {
errstr = estrdup(Z_STRVAL(ret));
} else {
errstr = NULL;
}
mo_zval_dtor(&ret);
}
mo_zval_dtor(&func);
if (errstr != NULL) {
/* error */
pit->psb->span_add_ba_ex(span, "error", errstr, timestamp, pit->pct, BA_ERROR);
} else {
/* http.status */
char tmp_string[32];
convert_to_long(http_code);
sprintf(tmp_string, "%ld", Z_LVAL_P(http_code));
/* not set the ip and port to sa */
pit->psb->span_add_ba_ex(span, "http.status", tmp_string, timestamp, pit->pct, BA_NORMAL);
}
}
if (errstr != NULL) efree(errstr);
mo_zval_dtor(&ret1);
}
/* }}} */
#if PHP_VERSION_ID < 70000
#define SET_SPAN_EXCEPTION(exception_ce,pit,frame,service_name,host,port) do { \
if (instanceof_function(Z_OBJCE_P(EG(exception)), exception_ce) == 1) { \
zval *message = mo_zend_read_property(exception_ce, EG(exception), "message", sizeof("message") - 1, 1); \
convert_to_string(message); \
pit->psb->span_add_ba(span, "error", Z_STRVAL_P(message), frame->exit_time, service_name, host, port, BA_ERROR); \
} \
}while(0)
#else
#define SET_SPAN_EXCEPTION(exception_ce, pit, frame, service_name, host, port) do { \
if (instanceof_function(EG(exception)->ce, exception_ce) == 1) { \
zval tmp; \
ZVAL_OBJ(&tmp, EG(exception)); \
zval *message = mo_zend_read_property(exception_ce, &tmp, "message", sizeof("message") - 1, 1); \
convert_to_string(message); \
pit->psb->span_add_ba(span, "error", Z_STRVAL_P(message), frame->exit_time, service_name, host, port, BA_ERROR); \
} \
}while(0)
#endif
#define SET_SPAN_EXCEPTION_EX(exception_ce, frame, pit) SET_SPAN_EXCEPTION(exception_ce, pit, frame, pit->pct->service_name, pit->pct->pch.ip, pit->pct->pch.port)
#define SET_DEFAULT_EXCEPTION(frame, pit) do { \
if (EG(exception) != NULL) { \
zend_class_entry *default_exception = (zend_class_entry *)zend_exception_get_default(); \
SET_SPAN_EXCEPTION_EX(default_exception, frame, pit); \
} \
}while(0)
#ifdef HAS_PDO
#define PDO_SET_EXCEPTION(pit) do { \
if (EG(exception) != NULL) { \
zend_class_entry *pdo_exception_ce = php_pdo_get_exception(); \
SET_SPAN_EXCEPTION_EX(pdo_exception_ce, frame, pit); \
} \
}while(0)
#else
#define PDO_SET_EXCEPTION(pit)
#endif
/* {{{ pcre common match */
static char *pcre_common_match(char *pattern, int len, char *subject)
{
zval *result = NULL;
char *ret = NULL;
MO_ALLOC_INIT_ZVAL(result);
zval *subpats = NULL;
MO_ALLOC_INIT_ZVAL(subpats);
pcre_cache_entry *cache;
#if PHP_VERSION_ID >= 70000
zend_string *pattern_str = zend_string_init(pattern, len, 0);
if ((cache = pcre_get_compiled_regex_cache(pattern_str)) != NULL) {
#else
if ((cache = pcre_get_compiled_regex_cache(pattern, len)) != NULL) {
#endif
php_pcre_match_impl(cache, subject, strlen(subject), result, subpats, 0, 0, 0, 0 TSRMLS_CC);
zval *match = NULL;
if (Z_LVAL_P(result) > 0 && MO_Z_TYPE_P(subpats) == IS_ARRAY) {
#if PHP_VERSION_ID >= 70000
if ((mo_zend_hash_index_zval_find(Z_ARRVAL_P(subpats), 1, (void **)&match) == SUCCESS)) {
#else
if ((mo_zend_hash_index_find(Z_ARRVAL_P(subpats), 1, (void **)&match) == SUCCESS)) {
#endif
if (MO_Z_TYPE_P(match) == IS_STRING) {
ret = estrdup(Z_STRVAL_P(match));
}
}
}
}
#if PHP_VERSION_ID >= 70000
zend_string_release(pattern_str);
#endif
efree(result);
mo_zval_dtor(subpats);
efree(subpats);
return ret;
}
/* }}} */
/*****************************************************/
/**************************pdo************************/
/*****************************************************/
/* only support 'dbname=duobao;host=192.168.56.102:330' format */
static void analyze_data_source(zval *span, char *db_type, char *data_source, mo_frame_t *frame, mo_interceptor_t *pit)
{
/* sa and db.instance */
char *dbname = pcre_common_match("(dbname=([^;\\s]+))", sizeof("(dbname=([^;\\s]+))")-1, data_source);
if (dbname != NULL) {
pit->psb->span_add_ba_ex(span, "db.instance", dbname, frame->exit_time, pit->pct, BA_NORMAL);
}
char *host = pcre_common_match("(host=([^;\\s]+))", sizeof("(host=([^;\\s]+))")-1, data_source);
char *port = pcre_common_match("(port=([^;\\s]+))", sizeof("(port=([^;\\s]+))")-1, data_source);
if (host != NULL && port != NULL) {
int i_port = atoi((const char*)port);
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, db_type, host, i_port, BA_SA);
}
/* db.data_source */
if (dbname == NULL || host == NULL || port == NULL) {
pit->psb->span_add_ba_ex(span, "php.db.data_source", data_source, frame->exit_time, pit->pct, BA_SA_DSN);
}
if (dbname != NULL) efree(dbname);
if (host != NULL) efree(host);
if (port != NULL) efree(port);
}
/* {{{ pdo record */
static void pdo_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *object = frame->object;
GET_FUNC_ARG(fir_arg,0);
zval *span;
char span_name[64] = {0};
char db_type[64] = {0};
/* build span */
snprintf(span_name, sizeof(span_name), "PDO::%s", smart_string_str(frame->function));
pit->psb->start_span_ex(&span, span_name, pit->pct, frame, AN_CLIENT);
if (smart_strncmp(frame->function, "commit", sizeof("commit") -1) != 0 && frame->arg_count >= 1 && MO_Z_TYPE_P(fir_arg) == IS_STRING) {
convert_to_string(fir_arg);
pit->psb->span_add_ba_ex(span, "db.statement", Z_STRVAL_P(fir_arg), frame->exit_time, pit->pct, BA_NORMAL);
}
#ifdef HAS_PDO
#if PHP_VERSION_ID < 70000
pdo_dbh_t *dbh = zend_object_store_get_object(object);
#else
pdo_dbh_t *dbh = Z_PDO_DBH_P(object);
#endif
if (dbh != NULL) {
/* db.type */
if (dbh->driver != NULL && dbh->driver->driver_name != NULL) {
memcpy(db_type, (char *)dbh->driver->driver_name, dbh->driver->driver_name_len);
pit->psb->span_add_ba_ex(span, "db.type", db_type, frame->exit_time, pit->pct, BA_NORMAL);
}
/* db.data_source */
if (dbh->data_source != NULL && db_type[0] != '\0') {
analyze_data_source(span, db_type, (char *)dbh->data_source, frame, pit);
}
}
#endif
/* error */
zval *ret = frame->ori_ret;
if (ret != NULL && MO_Z_TYPE_P(ret) == IS_FALSE) {
zval error_ret;
zval error_function;
MO_ZVAL_STRING(&error_function, "errorInfo", 1);
if (mo_call_user_function(NULL, &object, &error_function, &error_ret, 0, NULL) == SUCCESS) {
zval *error_msg;
if ((Z_TYPE(error_ret) == IS_ARRAY) && (mo_zend_hash_index_zval_find(Z_ARRVAL(error_ret), 2, (void **)&error_msg) == SUCCESS)) {
pit->psb->span_add_ba_ex(span, "error", Z_STRVAL_P(error_msg), frame->exit_time, pit->pct, BA_NORMAL);
} else {
pit->psb->span_add_ba_ex(span, "error", "unknown", frame->exit_time, pit->pct, BA_NORMAL);
}
}
mo_zval_dtor(&error_function);
mo_zval_dtor(&error_ret);
}
PDO_SET_EXCEPTION(pit);
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/* {{{ pdo statement record */
static void pdo_statement_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *object = frame->object;
zval *span;
char db_type[64]={0};
pit->psb->start_span_ex(&span, "PDOStatement::execute", pit->pct, frame, AN_CLIENT);
#ifdef HAS_PDO
#if PHP_VERSION_ID < 70000
pdo_stmt_t *stmt = (pdo_stmt_t *)zend_object_store_get_object(object);
#else
pdo_stmt_t *stmt = (pdo_stmt_t *)Z_PDO_STMT_P(object);
#endif
if (stmt != NULL) {
/* statement */
pit->psb->span_add_ba_ex(span, "db.statement", stmt->query_string, frame->exit_time, pit->pct, BA_NORMAL);
/* db.type */
if (stmt->dbh != NULL && stmt->dbh->driver != NULL) {
memcpy(db_type, (char *)stmt->dbh->driver->driver_name, stmt->dbh->driver->driver_name_len);
pit->psb->span_add_ba_ex(span, "db.type", db_type, frame->exit_time, pit->pct, BA_NORMAL);
}
/* db.data_source */
if (db_type != NULL && stmt->dbh != NULL && stmt->dbh->driver != NULL) {
analyze_data_source(span, db_type, (char *)stmt->dbh->data_source, frame, pit);
}
}
#endif
/* todo retrive data from stmt->bound_params and stmt->bound_columns */
/* get excuption */
/* error */
zval *ret = frame->ori_ret;
if (ret != NULL && MO_Z_TYPE_P(ret) == IS_FALSE) {
zval error_ret;
zval error_function;
MO_ZVAL_STRING(&error_function, "errorInfo", 1);
if (mo_call_user_function(NULL, &object, &error_function, &error_ret, 0, NULL) == SUCCESS) {
zval *error_msg;
if ((Z_TYPE(error_ret) == IS_ARRAY) && (mo_zend_hash_index_zval_find(Z_ARRVAL(error_ret), 2, (void **)&error_msg) == SUCCESS)) {
pit->psb->span_add_ba_ex(span, "error", Z_STRVAL_P(error_msg), frame->exit_time, pit->pct, BA_ERROR);
} else {
pit->psb->span_add_ba_ex(span, "error", "unkown", frame->exit_time, pit->pct, BA_ERROR);
}
}
mo_zval_dtor(&error_function);
mo_zval_dtor(&error_ret);
}
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/**************************************************/
/*****************redis****************************/
/**************************************************/
/* {{{ redis record */
static void redis_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *object = frame->object;
zval *span;
pit->psb->start_span_ex(&span, smart_string_str(frame->function), pit->pct, frame, AN_CLIENT);
/* sa */
zval host;
zval port;
zval function;
MO_ZVAL_STRING(&function, "getHost", 1);
if (mo_call_user_function(NULL, &object, &function, &host, 0, NULL) == SUCCESS) {
if (Z_TYPE(host) != IS_STRING) {
MO_ZVAL_STRING(&host, "unkown", 1);
}
} else {
MO_ZVAL_STRING(&host, "unkown", 1);
}
mo_zval_dtor(&function);
MO_ZVAL_STRING(&function, "getPort", 1);
if (mo_call_user_function(NULL, &object, &function, &port, 0, NULL) == SUCCESS) {
if (Z_TYPE(port) != IS_LONG) {
ZVAL_LONG(&port, 0);
}
} else {
ZVAL_LONG(&port, 0);
}
mo_zval_dtor(&function);
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "redis", Z_STRVAL(host), Z_LVAL(port), BA_SA);
/* db.statement */
char *value_param = convert_args_to_string(frame);
pit->psb->span_add_ba_ex(span, "db.statement", value_param, frame->exit_time, pit->pct, BA_NORMAL);
efree(value_param);
/* db.type */
pit->psb->span_add_ba_ex(span, "db.type", "redis", frame->exit_time, pit->pct, BA_NORMAL);
/* error */
zval *ret = frame->ori_ret;
if (ret != NULL && MO_Z_TYPE_P(ret) == IS_FALSE) {
zval error;
MO_ZVAL_STRING(&function, "getLastError", 1);
if (mo_call_user_function(NULL, &object, &function, &error, 0, NULL) == SUCCESS) {
if (Z_TYPE(error) == IS_STRING) {
pit->psb->span_add_ba(span, "error", Z_STRVAL(error), frame->exit_time, "Redis", Z_STRVAL(host), Z_LVAL(port), BA_SA);
}
mo_zval_dtor(&error);
}
mo_zval_dtor(&function);
}
/* error */
if (EG(exception) != NULL) {
zend_class_entry *redis_exception_ce;
if (mo_zend_hash_find(CG(class_table), "redisexception", sizeof("redisexception"), (void **)&redis_exception_ce) == SUCCESS) {
SET_SPAN_EXCEPTION_EX(redis_exception_ce, frame, pit);
}
}
mo_zval_dtor(&host);
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/*******************************************************/
/*******************memcached***************************/
/*******************************************************/
/* {{{ memcached common call */
static void memcached_common_call(mo_interceptor_t *pit, mo_frame_t *frame, zval *span)
{
zval *object = frame->object;
/* db.statement */
char *value = convert_args_to_string(frame);
pit->psb->span_add_ba_ex(span, "db.statement", value, frame->exit_time, pit->pct, BA_NORMAL);
efree(value);
/* db.type */
pit->psb->span_add_ba_ex(span, "db.type", "memcache", frame->exit_time, pit->pct, BA_NORMAL);
/* error */
zval *ret = frame->ori_ret;
if (ret != NULL && MO_Z_TYPE_P(ret) == IS_FALSE) {
zval result_ret;
zval result_function;
MO_ZVAL_STRING(&result_function, "getResultMessage", 1);
if (mo_call_user_function(NULL, &object, &result_function, &result_ret, 0, NULL) == SUCCESS) {
if (MO_Z_TYPE_P(&result_ret) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "error", Z_STRVAL(result_ret), frame->exit_time, pit->pct, BA_ERROR);
} else {
pit->psb->span_add_ba_ex(span, "error", "unknown", frame->exit_time, pit->pct, BA_ERROR);
}
}
mo_zval_dtor(&result_function);
mo_zval_dtor(&result_ret);
}
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/* {{{ memcached common record */
static void memcached_common_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *span;
pit->psb->start_span_ex(&span, smart_string_str(frame->function), pit->pct, frame, AN_CLIENT);
memcached_common_call(pit, frame, span);
}
/* }}} */
/* {{{ memcached addServer */
static void memcached_add_server_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *span;
pit->psb->start_span_ex(&span, smart_string_str(frame->function), pit->pct, frame, AN_CLIENT);
if (frame->arg_count >= 2) {
GET_FUNC_ARG(host,0);
GET_FUNC_ARG(port,1);
int iport = 0;
if (MO_Z_TYPE_P(port) == IS_STRING) {
iport = atoi((const char*)Z_STRVAL_P(port));
} else if (MO_Z_TYPE_P(port) == IS_LONG) {
iport = Z_LVAL_P(port);
}
if (MO_Z_TYPE_P(host) == IS_STRING) {
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "memcache", Z_STRVAL_P(host), iport, BA_SA);
}
}
memcached_common_call(pit, frame, span);
}
/* }}} */
/* {{{ memcached addServers */
static void memcached_add_servers_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
zval *span;
pit->psb->start_span_ex(&span, smart_string_str(frame->function), pit->pct, frame, AN_CLIENT);
GET_FUNC_ARG(servers, 0);
if (MO_Z_TYPE_P(servers) == IS_ARRAY) {
int i, entry_size;
#if PHP_VERSION_ID < 70000
zval **entry;
zval **z_host, **z_port;
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(servers)), i = 0;
zend_hash_get_current_data(Z_ARRVAL_P(servers), (void **)&entry) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(servers)), i++) {
if (MO_Z_TYPE_PP(entry) != IS_ARRAY) {
continue;
}
entry_size = zend_hash_num_elements(Z_ARRVAL_PP(entry));
if (entry_size > 1) {
zend_hash_internal_pointer_reset(Z_ARRVAL_PP(entry));
/* Check that we have a host */
if (zend_hash_get_current_data(Z_ARRVAL_PP(entry), (void **)&z_host) == FAILURE) {
continue;
}
/* Check that we have a port */
if (zend_hash_move_forward(Z_ARRVAL_PP(entry)) == FAILURE ||
zend_hash_get_current_data(Z_ARRVAL_PP(entry), (void **)&z_port) == FAILURE) {
continue;
}
convert_to_string_ex(z_host);
convert_to_long_ex(z_port);
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "memcache", Z_STRVAL_PP(z_host), Z_LVAL_PP(z_port), BA_SA);
}
}
#else
HashPosition pos;
zval *entry;
zval *z_host, *z_port;
zend_string *host;
zend_long port;
ZEND_HASH_FOREACH_VAL (Z_ARRVAL_P(servers), entry) {
if (MO_Z_TYPE_P(entry) != IS_ARRAY) {
continue;
}
entry_size = zend_hash_num_elements(Z_ARRVAL_P(entry));
if (entry_size > 1) {
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(entry), &pos);
}
if ((z_host = zend_hash_get_current_data_ex(Z_ARRVAL_P(entry), &pos)) == NULL) {
continue;
}
if (zend_hash_move_forward_ex(Z_ARRVAL_P(entry), &pos) == FAILURE ||
(z_port = zend_hash_get_current_data_ex(Z_ARRVAL_P(entry), &pos)) == NULL) {
continue;
}
host = zval_get_string(z_host);
port = zval_get_long(z_port);
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "memcache", ZSTR_VAL(host), port, BA_SA);
zend_string_release(host);
} ZEND_HASH_FOREACH_END();
#endif
}
memcached_common_call(pit, frame, span);
}
/* }}} */
/*****************************************************************/
/*****************************mysqli******************************/
/*****************************************************************/
/* mysqli connect common */
static void mysqli_connect_common_record(mo_interceptor_t *pit, mo_frame_t *frame, int is_procedural)
{
if (frame->arg_count < 1) {
return;
}
zval *span = build_com_record(pit, frame, 0);
/* build sa */
GET_FUNC_ARG(host,0);
if (frame->arg_count >= 1 && MO_Z_TYPE_P(host) == IS_STRING) {
if (frame->arg_count < 5) {
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), 3306, BA_SA);
} else {
GET_FUNC_ARG(port,4);
if (MO_Z_TYPE_P(port) == IS_LONG) {
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), Z_LVAL_P(port), BA_SA);
} else if (MO_Z_TYPE_P(port) == IS_STRING) {
int n = atoi((const char*)Z_STRVAL_P(port));
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), (long)n, BA_SA);
}
}
}
/* db.instance */
GET_FUNC_ARG(dbname,3);
if (frame->arg_count >= 3 && MO_Z_TYPE_P(dbname) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "db.instance",Z_STRVAL_P(dbname), frame->exit_time, pit->pct, BA_NORMAL);
}
/* error */
zval func;
zval ret;
MO_ZVAL_STRING(&func, "mysqli_connect_errno", 1);
if (mo_call_user_function(EG(function_table), (zval **)NULL, &func, &ret, 0, NULL) == SUCCESS) {
if (MO_Z_TYPE_P(&ret) == IS_LONG && Z_LVAL(ret) > 0) {
zval error_func;
zval error_ret;
MO_ZVAL_STRING(&error_func, "mysqli_connect_error", 1);
if (mo_call_user_function(EG(function_table), (zval **)NULL, &error_func, &error_ret, 0, NULL) == SUCCESS) {
if (MO_Z_TYPE_P(&error_ret) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "error", Z_STRVAL(error_ret), frame->exit_time, pit->pct, BA_ERROR);
}
}
mo_zval_dtor(&error_ret);
mo_zval_dtor(&error_func);
}
}
mo_zval_dtor(&ret);
mo_zval_dtor(&func);
/* add span */
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/* {{{ mysqli procedural */
static void mysqli_connect_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
mysqli_connect_common_record(pit, frame, 1);
}
/* }}} */
/* {{{ myqli real connect */
static void mysqli_real_connect_record(mo_interceptor_t *pit, mo_frame_t *frame)
{
if (frame->arg_count < 2) {
return;
}
zval *span = build_com_record(pit, frame, 0);
/* build sa */
if (frame->arg_count >= 2) {
GET_FUNC_ARG(host, 1);
if (MO_Z_TYPE_P(host) == IS_STRING) {
if (frame->arg_count < 6) {
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), 3306, BA_SA);
} else {
GET_FUNC_ARG(port,5);
if (MO_Z_TYPE_P(port) == IS_LONG) {
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), Z_LVAL_P(port), BA_SA);
} else if (MO_Z_TYPE_P(port) == IS_STRING) {
int n = atoi((const char*)Z_STRVAL_P(port));
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", Z_STRVAL_P(host), (long)n, BA_SA);
}
}
}
}
/* db.instance */
if (frame->arg_count >= 5) {
GET_FUNC_ARG(dbname, 4);
if (MO_Z_TYPE_P(dbname) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "db.instance", Z_STRVAL_P(dbname), frame->exit_time, pit->pct, BA_NORMAL);
}
}
/* error */
zval func;
zval ret;
MO_ZVAL_STRING(&func, "mysqli_connect_errno", 1);
if (mo_call_user_function(EG(function_table), (zval **)NULL, &func, &ret, 0, NULL) == SUCCESS) {
if (MO_Z_TYPE_P(&ret) == IS_LONG && Z_LVAL(ret) > 0) {
zval error_func;
zval error_ret;
MO_ZVAL_STRING(&error_func, "mysqli_connect_error", 1);
if (mo_call_user_function(EG(function_table), (zval **)NULL, &error_func, &error_ret, 0, NULL) == SUCCESS) {
if (MO_Z_TYPE_P(&error_ret) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "error", Z_STRVAL(error_ret), frame->exit_time, pit->pct, BA_ERROR);
}
}
mo_zval_dtor(&error_ret);
mo_zval_dtor(&error_func);
}
}
mo_zval_dtor(&ret);
mo_zval_dtor(&func);
/* add span */
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */
/* {{{ mysqli common error */
static void mysqli_common_error(mo_frame_t *frame, int is_procedural, zval *span, mo_interceptor_t *pit, char *error_function, char *class_entry_name)
{
char *result = NULL;
if (is_procedural == 1) {
GET_FUNC_ARG(resource,0);
if (MO_Z_TYPE_P(resource) != IS_RESOURCE) {
return;
}
zval func;
zval ret;
zval *argv[1];
MO_ZVAL_STRING(&func, error_function, 1);
argv[0] = resource;
if (mo_call_user_function(EG(function_table), (zval **)NULL, &func, &ret, 1, argv) == SUCCESS) {
if (MO_Z_TYPE_P(&ret) == IS_STRING && Z_STRLEN_P(&ret) > 0) {
result = estrdup(Z_STRVAL(ret));
}
}
mo_zval_dtor(&ret);
mo_zval_dtor(&func);
} else {
zend_class_entry *mysqli;
if (mo_zend_hash_find(CG(class_table), class_entry_name, strlen(class_entry_name) + 1, (void **)&mysqli) == SUCCESS) {
zval *obj = frame->object;
#if PHP_VERSION_ID < 70000
zval *message = mo_zend_read_property(mysqli, obj, "error", sizeof("error") - 1, 1);
if ((IS_STRING == MO_Z_TYPE_P(message)) && (Z_STRLEN_P(message) > 0)) {
result = estrdup(Z_STRVAL_P(message));
}
#else
zval rv;
zval *message = zend_read_property(mysqli, obj, "error", sizeof("error") - 1, 1, &rv);
if ((IS_STRING == MO_Z_TYPE_P(message)) && (Z_STRLEN_P(message) > 0)) {
result = estrdup(Z_STRVAL_P(message));
}
#endif
#if PHP_VERSION_ID < 70000
if (message != NULL) {
mo_zval_dtor(message);
efree(message);
}
#else
if (message != NULL) {
zval_ptr_dtor(message);
}
#endif
}
}
if (result != NULL) {
pit->psb->span_add_ba_ex(span, "error", result, frame->exit_time, pit->pct, BA_ERROR);
efree(result);
}
}
/* }}} */
/* {{{ mysqli get error */
static void mysqli_error(mo_frame_t *frame, int is_procedural, zval *span, mo_interceptor_t *pit)
{
mysqli_common_error(frame, is_procedural, span, pit, "mysqli_error", "mysqli");
}
/* }}} */
/* {{{ for mysqli get sa just for error return by RETURN_NULL; */
static void db_query_get_sa(mo_interceptor_t *pit, mo_frame_t *frame, int procedural, zval *span)
{
/* get sa */
/* mysql host and port
* mysql->mysql->data->host
* mysql->mysql->data->port
*/
#ifdef HAS_MYSQLND
MY_MYSQL *mysql;
zval *mysql_link;
if (procedural == 1) {
GET_FUNC_ARG_UNDEC(mysql_link,0);
} else {
mysql_link = frame->object;
}
if (mysql_link != NULL && MO_Z_TYPE_P(mysql_link) == IS_OBJECT) {
zval tmp_zval;
zval *return_value = &tmp_zval;
#if PHP_VERSION_ID < 70000
MYSQLI_FETCH_RESOURCE_CONN(mysql, &mysql_link, MYSQLI_STATUS_VALID);
#else
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
#endif
if (mysql != NULL && mysql->mysql != NULL && mysql->mysql->data != NULL) {
#if PHP_VERSION_ID < 70100
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", mysql->mysql->data->host, mysql->mysql->data->port, BA_SA);
pit->psb->span_add_ba_ex(span, "db.instance", mysql->mysql->data->connect_or_select_db, frame->exit_time, pit->pct, BA_NORMAL);
#else
pit->psb->span_add_ba(span, "sa", "true", frame->exit_time, "mysql", mysql->mysql->data->hostname.s, mysql->mysql->data->port, BA_SA);
pit->psb->span_add_ba_ex(span, "db.instance", mysql->mysql->data->connect_or_select_db.s, frame->exit_time, pit->pct, BA_NORMAL);
#endif
}
}
#endif
}
/* }}} */
/* {{{ db query record */
static void db_query_record(mo_interceptor_t *pit, mo_frame_t *frame, int procedural)
{
if (procedural == 1 && frame->arg_count < 2) {
return;
}
if (procedural == 0 && frame->arg_count < 1) {
return;
}
zval *span = build_com_record(pit, frame, 0);
zval *sql;
if (procedural == 1) {
GET_FUNC_ARG_UNDEC(sql,1);
} else {
GET_FUNC_ARG_UNDEC(sql,0);
}
if (MO_Z_TYPE_P(sql) == IS_STRING) {
pit->psb->span_add_ba_ex(span, "db.statement", Z_STRVAL_P(sql), frame->exit_time, pit->pct, BA_NORMAL);
}
pit->psb->span_add_ba_ex(span, "db.type", "mysql", frame->exit_time, pit->pct, BA_NORMAL);
db_query_get_sa(pit, frame, procedural, span);
mysqli_error(frame, procedural, span, pit);
mo_chain_add_span(pit->pct->pcl, span);
}
/* }}} */