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mongoclient.c
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/**
* Copyright 2009-2014 MongoDB, Inc.
*
* 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 <stdlib.h>
#include <string.h>
#include <errno.h>
#ifndef WIN32
# include <sys/types.h>
#endif
#include <php.h>
#include <zend_exceptions.h>
#include <ext/standard/php_smart_str.h>
#include <ext/standard/file.h>
#include "php_mongo.h"
#include "mongoclient.h"
#include "db.h"
#include "cursor_shared.h"
#include "bson.h"
#include "util/log.h"
#include "util/pool.h"
#include "mcon/types.h"
#include "mcon/read_preference.h"
#include "mcon/parse.h"
#include "mcon/manager.h"
#include "mcon/utils.h"
static void php_mongoclient_free(void* TSRMLS_DC);
static void stringify_server(mongo_server_def *server, smart_str *str);
static int close_connection(mongo_con_manager *manager, mongo_connection *connection);
zend_object_handlers mongo_default_handlers;
zend_object_handlers mongoclient_handlers;
ZEND_EXTERN_MODULE_GLOBALS(mongo)
zend_class_entry *mongo_ce_MongoClient;
extern zend_class_entry *mongo_ce_DB, *mongo_ce_Cursor, *mongo_ce_Exception;
extern zend_class_entry *mongo_ce_ConnectionException, *mongo_ce_Mongo, *mongo_ce_Int64;
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo___construct, 0, ZEND_RETURN_VALUE, 0)
ZEND_ARG_INFO(0, server)
ZEND_ARG_ARRAY_INFO(0, options, 0)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo___get, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, name)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_no_parameters, 0, ZEND_RETURN_VALUE, 0)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_selectDB, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, database_name)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_selectCollection, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, database_name)
ZEND_ARG_INFO(0, collection_name)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_setReadPreference, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, read_preference)
ZEND_ARG_ARRAY_INFO(0, tags, 0)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_setWriteConcern, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, w)
ZEND_ARG_INFO(0, wtimeout)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_dropDB, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, MongoDB_object_OR_database_name)
ZEND_END_ARG_INFO()
MONGO_ARGINFO_STATIC ZEND_BEGIN_ARG_INFO_EX(arginfo_killCursor, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_INFO(0, cursor_id)
ZEND_END_ARG_INFO()
static zend_function_entry mongo_methods[] = {
PHP_ME(MongoClient, __construct, arginfo___construct, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, getConnections, arginfo_no_parameters, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
PHP_ME(MongoClient, connect, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, __toString, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, __get, arginfo___get, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, selectDB, arginfo_selectDB, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, selectCollection, arginfo_selectCollection, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, getReadPreference, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, setReadPreference, arginfo_setReadPreference, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, getWriteConcern, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, setWriteConcern, arginfo_setWriteConcern, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, dropDB, arginfo_dropDB, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, listDBs, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, getHosts, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, close, arginfo_no_parameters, ZEND_ACC_PUBLIC)
PHP_ME(MongoClient, killCursor, arginfo_killCursor, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
PHP_FE_END
};
/* {{{ php_mongoclient_free
*/
static void php_mongoclient_free(void *object TSRMLS_DC)
{
mongoclient *link = (mongoclient*)object;
/* already freed */
if (!link) {
return;
}
if (link->servers) {
mongo_servers_dtor(link->servers);
}
zend_object_std_dtor(&link->std TSRMLS_CC);
efree(link);
}
/* }}} */
#if PHP_VERSION_ID >= 50400
void mongo_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC)
#else
void mongo_write_property(zval *object, zval *member, zval *value TSRMLS_DC)
#endif
{
zval tmp_member;
zend_property_info *property_info;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
property_info = zend_get_property_info(Z_OBJCE_P(object), member, 1 TSRMLS_CC);
if (property_info && property_info->flags & ZEND_ACC_DEPRECATED) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The '%s' property is deprecated", Z_STRVAL_P(member));
}
if (property_info && property_info->flags & MONGO_ACC_READ_ONLY) {
/* If its the object itself that is updating the property, or an
* inherited class, then its OK */
if (!instanceof_function(Z_OBJCE_P(object), EG(scope) TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The '%s' property is read-only", Z_STRVAL_P(member));
if (member == &tmp_member) {
zval_dtor(member);
}
/* Disallow the property write */
return;
}
}
#if PHP_VERSION_ID >= 50400
(zend_get_std_object_handlers())->write_property(object, member, value, key TSRMLS_CC);
#else
(zend_get_std_object_handlers())->write_property(object, member, value TSRMLS_CC);
#endif
if (member == &tmp_member) {
zval_dtor(member);
}
}
#if PHP_VERSION_ID >= 50400
zval *mongo_read_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
#else
zval *mongo_read_property(zval *object, zval *member, int type TSRMLS_DC)
#endif
{
zval *retval;
zval tmp_member;
zend_property_info *property_info;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
property_info = zend_get_property_info(Z_OBJCE_P(object), member, 1 TSRMLS_CC);
if (property_info && property_info->flags & ZEND_ACC_DEPRECATED) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The '%s' property is deprecated", Z_STRVAL_P(member));
}
if (instanceof_function(Z_OBJCE_P(object), mongo_ce_MongoClient TSRMLS_CC) && strcmp(Z_STRVAL_P(member), "connected") == 0) {
char *error_message = NULL;
mongoclient *obj = (mongoclient *)zend_objects_get_address(object TSRMLS_CC);
mongo_connection *conn = mongo_get_read_write_connection(obj->manager, obj->servers, MONGO_CON_FLAG_READ|MONGO_CON_FLAG_DONT_CONNECT, (char**) &error_message);
ALLOC_INIT_ZVAL(retval);
Z_SET_REFCOUNT_P(retval, 0);
ZVAL_BOOL(retval, conn ? 1 : 0);
if (error_message) {
free(error_message);
}
return retval;
}
#if PHP_VERSION_ID >= 50400
retval = (zend_get_std_object_handlers())->read_property(object, member, type, key TSRMLS_CC);
#else
retval = (zend_get_std_object_handlers())->read_property(object, member, type TSRMLS_CC);
#endif
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
#if PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3
HashTable *mongo_get_debug_info(zval *object, int *is_temp TSRMLS_DC)
{
HashPosition pos;
HashTable *props = zend_std_get_properties(object TSRMLS_CC);
zval **entry;
ulong num_key;
zend_hash_internal_pointer_reset_ex(props, &pos);
while (zend_hash_get_current_data_ex(props, (void **)&entry, &pos) == SUCCESS) {
char *key;
uint key_len;
switch (zend_hash_get_current_key_ex(props, &key, &key_len, &num_key, 0, &pos)) {
case HASH_KEY_IS_STRING: {
/* Override the connected property like we do for the read_property handler */
if (strcmp(key, "connected") == 0) {
zval member;
zval *tmp;
INIT_ZVAL(member);
ZVAL_STRINGL(&member, key, key_len, 0);
#if PHP_VERSION_ID >= 50400
tmp = mongo_read_property(object, &member, BP_VAR_IS, NULL TSRMLS_CC);
#else
tmp = mongo_read_property(object, &member, BP_VAR_IS TSRMLS_CC);
#endif
convert_to_boolean_ex(entry);
ZVAL_BOOL(*entry, Z_BVAL_P(tmp));
/* the var is set to refcount = 0, need to set it to 1 so it'll get free()d */
if (Z_REFCOUNT_P(tmp) == 0) {
Z_SET_REFCOUNT_P(tmp, 1);
}
zval_ptr_dtor(&tmp);
}
break;
}
case HASH_KEY_IS_LONG:
case HASH_KEY_NON_EXISTANT:
break;
}
zend_hash_move_forward_ex(props, &pos);
}
*is_temp = 0;
return props;
}
#endif
/* {{{ php_mongoclient_new
*/
zend_object_value php_mongoclient_new(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
mongoclient *intern;
if (class_type == mongo_ce_Mongo) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The Mongo class is deprecated, please use the MongoClient class");
}
intern = (mongoclient*)emalloc(sizeof(mongoclient));
memset(intern, 0, sizeof(mongoclient));
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
init_properties(intern);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t) zend_objects_destroy_object, php_mongoclient_free, NULL TSRMLS_CC);
retval.handlers = &mongoclient_handlers;
return retval;
}
/* }}} */
void mongo_init_MongoClient(TSRMLS_D)
{
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "MongoClient", mongo_methods);
ce.create_object = php_mongoclient_new;
mongo_ce_MongoClient = zend_register_internal_class(&ce TSRMLS_CC);
/* make mongoclient object uncloneable, and with its own read_property */
memcpy(&mongoclient_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
mongoclient_handlers.clone_obj = NULL;
mongoclient_handlers.read_property = mongo_read_property;
mongoclient_handlers.write_property = mongo_write_property;
#if PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3
mongoclient_handlers.get_debug_info = mongo_get_debug_info;
#endif
/* Mongo class constants */
zend_declare_class_constant_string(mongo_ce_MongoClient, "DEFAULT_HOST", strlen("DEFAULT_HOST"), "localhost" TSRMLS_CC);
zend_declare_class_constant_long(mongo_ce_MongoClient, "DEFAULT_PORT", strlen("DEFAULT_PORT"), 27017 TSRMLS_CC);
zend_declare_class_constant_string(mongo_ce_MongoClient, "VERSION", strlen("VERSION"), PHP_MONGO_VERSION TSRMLS_CC);
/* Read preferences types */
zend_declare_class_constant_string(mongo_ce_MongoClient, "RP_PRIMARY", strlen("RP_PRIMARY"), "primary" TSRMLS_CC);
zend_declare_class_constant_string(mongo_ce_MongoClient, "RP_PRIMARY_PREFERRED", strlen("RP_PRIMARY_PREFERRED"), "primaryPreferred" TSRMLS_CC);
zend_declare_class_constant_string(mongo_ce_MongoClient, "RP_SECONDARY", strlen("RP_SECONDARY"), "secondary" TSRMLS_CC);
zend_declare_class_constant_string(mongo_ce_MongoClient, "RP_SECONDARY_PREFERRED", strlen("RP_SECONDARY_PREFERRED"), "secondaryPreferred" TSRMLS_CC);
zend_declare_class_constant_string(mongo_ce_MongoClient, "RP_NEAREST", strlen("RP_NEAREST"), "nearest" TSRMLS_CC);
/* Mongo fields */
zend_declare_property_bool(mongo_ce_MongoClient, "connected", strlen("connected"), 0, ZEND_ACC_PUBLIC|ZEND_ACC_DEPRECATED TSRMLS_CC);
zend_declare_property_null(mongo_ce_MongoClient, "status", strlen("status"), ZEND_ACC_PUBLIC|ZEND_ACC_DEPRECATED TSRMLS_CC);
zend_declare_property_null(mongo_ce_MongoClient, "server", strlen("server"), ZEND_ACC_PROTECTED|ZEND_ACC_DEPRECATED TSRMLS_CC);
zend_declare_property_null(mongo_ce_MongoClient, "persistent", strlen("persistent"), ZEND_ACC_PROTECTED|ZEND_ACC_DEPRECATED TSRMLS_CC);
}
/* {{{ Helper for connecting the servers */
mongo_connection *php_mongo_connect(mongoclient *link, int flags TSRMLS_DC)
{
mongo_connection *con;
char *error_message = NULL;
/* We don't care about the result so although we assign it to a var, we
* only do that to handle errors and return it so that the calling function
* knows whether a connection could be obtained or not. */
con = mongo_get_read_write_connection(link->manager, link->servers, flags, (char **) &error_message);
if (con) {
return con;
}
if (error_message) {
zend_throw_exception(mongo_ce_ConnectionException, error_message, 71 TSRMLS_CC);
free(error_message);
} else {
zend_throw_exception(mongo_ce_ConnectionException, "Unknown error obtaining connection", 72 TSRMLS_CC);
}
return NULL;
}
/* }}} */
/* {{{ Helper for special options, that can't be represented by a simple key
* value pair, or options that are not actually connection string options. */
int mongo_store_option_wrapper(mongo_con_manager *manager, mongo_servers *servers, char *option_name, zval **option_value, char **error_message)
{
/* Special cases:
* - "connect" isn't supported by the URL parsing
* - "readPreferenceTags" is an array of tagsets we need to iterate over
*/
if (strcasecmp(option_name, "connect") == 0) {
return 4;
}
if (strcasecmp(option_name, "readPreferenceTags") == 0) {
int error = 0;
HashPosition pos;
zval **opt_entry;
convert_to_array_ex(option_value);
for (
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(option_value), &pos);
zend_hash_get_current_data_ex(Z_ARRVAL_PP(option_value), (void **) &opt_entry, &pos) == SUCCESS;
zend_hash_move_forward_ex(Z_ARRVAL_PP(option_value), &pos)
) {
convert_to_string_ex(opt_entry);
error = mongo_store_option(manager, servers, option_name, Z_STRVAL_PP(opt_entry), error_message);
if (error) {
return error;
}
}
return error;
}
convert_to_string_ex(option_value);
return mongo_store_option(manager, servers, option_name, Z_STRVAL_PP(option_value), error_message);
}
/* }}} */
/* {{{ proto MongoClient MongoClient->__construct([string connection_string [, array mongo_options [, array driver_options]]])
Creates a new MongoClient object for mongo[d|s]. mongo_options are the same
options as the connection_string, while driver_options is additional PHP
MongoDB options, like stream context and callbacks. */
PHP_METHOD(MongoClient, __construct)
{
php_mongo_ctor(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
void php_mongo_ctor(INTERNAL_FUNCTION_PARAMETERS, int bc)
{
char *server = 0;
int server_len = 0;
zend_bool connect = 1;
zval *options = 0;
zval *slave_okay = 0;
zval *zdoptions = NULL;
mongoclient *link;
zval **opt_entry;
char *opt_key;
int error;
char *error_message = NULL;
uint opt_key_len;
ulong num_key;
HashPosition pos;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!a!/a!/", &server, &server_len, &options, &zdoptions) == FAILURE) {
zval *object = getThis();
ZVAL_NULL(object);
return;
}
link = (mongoclient*)zend_object_store_get_object(getThis() TSRMLS_CC);
/* Set the manager from the global manager */
link->manager = MonGlo(manager);
/* Parse the server specification
* Default to the mongo.default_host & mongo.default_port INI options */
link->servers = mongo_parse_init();
if (server_len) {
error = mongo_parse_server_spec(link->manager, link->servers, server, (char **)&error_message);
if (error) {
zend_throw_exception(mongo_ce_ConnectionException, error_message, 20 + error TSRMLS_CC);
free(error_message);
return;
}
} else {
char *tmp;
spprintf(&tmp, 0, "%s:%ld", MonGlo(default_host), MonGlo(default_port));
error = mongo_parse_server_spec(link->manager, link->servers, tmp, (char **)&error_message);
efree(tmp);
if (error) {
zend_throw_exception(mongo_ce_ConnectionException, error_message, 0 TSRMLS_CC);
free(error_message);
return;
}
}
/* If "w" was *not* set as an option, then assign the default */
if (link->servers->options.default_w == -1 && link->servers->options.default_wstring == NULL) {
if (bc) {
/* Default to WriteConcern=0 for Mongo */
link->servers->options.default_w = 0;
} else {
/* Default to WriteConcern=1 for MongoClient */
link->servers->options.default_w = 1;
}
}
/* Options through array */
if (options) {
for (
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(options), &pos);
zend_hash_get_current_data_ex(Z_ARRVAL_P(options), (void **) &opt_entry, &pos) == SUCCESS;
zend_hash_move_forward_ex(Z_ARRVAL_P(options), &pos)
) {
switch (zend_hash_get_current_key_ex(Z_ARRVAL_P(options), &opt_key, &opt_key_len, &num_key, 0, &pos)) {
case HASH_KEY_IS_STRING: {
int error_code = 0;
error_code = mongo_store_option_wrapper(link->manager, link->servers, opt_key, opt_entry, (char **)&error_message);
switch (error_code) {
case -1: /* Deprecated options */
if (strcasecmp(opt_key, "slaveOkay") == 0) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The 'slaveOkay' option is deprecated. Please switch to read-preferences");
} else if (strcasecmp(opt_key, "timeout") == 0) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The 'timeout' option is deprecated. Please use 'connectTimeoutMS' instead");
}
break;
case 4: /* Special options parameters, invalid for URL parsing - only possiblity is 'connect' for now */
if (strcasecmp(opt_key, "connect") == 0) {
convert_to_boolean_ex(opt_entry);
connect = Z_BVAL_PP(opt_entry);
}
break;
case 3: /* Logical error (i.e. conflicting options) */
case 2: /* Unknown connection string option */
case 1: /* Empty option name or value */
/* Throw exception - error code is 20 + above value. They are defined in php_mongo.h */
zend_throw_exception(mongo_ce_ConnectionException, error_message, 20 + error_code TSRMLS_CC);
free(error_message);
return;
}
} break;
case HASH_KEY_IS_LONG:
/* Throw exception - error code is 25. This is defined in php_mongo.h */
zend_throw_exception(mongo_ce_ConnectionException, "Unrecognized or unsupported option", 25 TSRMLS_CC);
return;
}
}
}
#if !MONGO_PHP_STREAMS
if (link->servers->options.ssl) {
zend_throw_exception(mongo_ce_ConnectionException, "SSL support is only available when compiled against PHP Streams", 26 TSRMLS_CC);
return;
}
if (link->servers->server[0]->mechanism == MONGO_AUTH_MECHANISM_GSSAPI) {
zend_throw_exception(mongo_ce_ConnectionException, "GSSAPI authentication mechanism is only available when compiled against PHP Streams", 28 TSRMLS_CC);
return;
}
if (link->servers->server[0]->mechanism == MONGO_AUTH_MECHANISM_PLAIN) {
zend_throw_exception(mongo_ce_ConnectionException, "Plain authentication mechanism is only available when compiled against PHP Streams", 29 TSRMLS_CC);
return;
}
if (zdoptions) {
zend_throw_exception(mongo_ce_ConnectionException, "Driver options are only available when compiled against PHP Streams", 27 TSRMLS_CC);
return;
}
#endif
{
int i = 0;
zval **zcontext;
php_stream_context *ctx = NULL;
if (zdoptions && zend_hash_find(Z_ARRVAL_P(zdoptions), "context", strlen("context") + 1, (void**)&zcontext) == SUCCESS) {
mongo_manager_log(link->manager, MLOG_CON, MLOG_INFO, "Found Stream context");
ctx = php_stream_context_from_zval(*zcontext, PHP_FILE_NO_DEFAULT_CONTEXT);
}
link->servers->options.ctx = ctx;
for (i = 0; i < link->servers->count; i++) {
mongo_connection *con = mongo_manager_connection_find_by_server_definition(link->manager, link->servers->server[i]);
if (con) {
#if PHP_VERSION_ID >= 50700
php_stream_context_set(con->socket, ctx TSRMLS_CC);
#else
php_stream_context_set(con->socket, ctx);
#endif
}
}
}
slave_okay = zend_read_static_property(mongo_ce_Cursor, "slaveOkay", strlen("slaveOkay"), NOISY TSRMLS_CC);
if (Z_TYPE_P(slave_okay) != IS_NULL) {
if (Z_BVAL_P(slave_okay)) {
if (link->servers->read_pref.type != MONGO_RP_PRIMARY) {
/* The server already has read preferences configured, but we're still
* trying to set slave okay. The spec says that's an error, so we
* throw an exception with code 23 (defined in php_mongo.h) */
zend_throw_exception(mongo_ce_ConnectionException, "You can not use both slaveOkay and read-preferences. Please switch to read-preferences.", 23 TSRMLS_CC);
return;
} else {
/* Old style option, that needs to be removed. For now, spec dictates
* it needs to be ReadPreference=SECONDARY_PREFERRED */
link->servers->read_pref.type = MONGO_RP_SECONDARY_PREFERRED;
}
}
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The 'slaveOkay' option is deprecated. Please switch to read-preferences");
}
if (connect) {
/* Make sure we clear any exceptions thrown if have any usable connection */
if (php_mongo_connect(link, MONGO_CON_FLAG_READ|MONGO_CON_FLAG_DONT_FILTER TSRMLS_CC)) {
zend_clear_exception(TSRMLS_C);
}
}
}
/* }}} */
/* {{{ proto bool MongoClient->connect(void)
Runs topology discovery, establishes connections to all MongoDBs if not connected already */
PHP_METHOD(MongoClient, connect)
{
mongoclient *link;
PHP_MONGO_GET_LINK(getThis());
RETURN_BOOL(php_mongo_connect(link, MONGO_CON_FLAG_READ TSRMLS_CC) != NULL);
}
/* }}} */
/* {{{ proto int MongoClient->close([string|bool hash|all])
Closes the connection to $hash, or only master - or all open connections. Returns how many connections were closed */
PHP_METHOD(MongoClient, close)
{
char *hash = NULL;
int hash_len;
mongoclient *link;
mongo_connection *connection;
char *error_message = NULL;
zval *all = NULL;
PHP_MONGO_GET_LINK(getThis());
if (ZEND_NUM_ARGS() == 0) {
/* BC: Close master when no arguments passed */
connection = mongo_get_read_write_connection(link->manager, link->servers, MONGO_CON_FLAG_WRITE|MONGO_CON_FLAG_DONT_CONNECT, (char **) &error_message);
RETVAL_LONG(close_connection(link->manager, connection));
} else if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "z", &all) == SUCCESS && Z_TYPE_P(all) == IS_BOOL) {
if (Z_BVAL_P(all)) {
/* Close all connections */
mongo_con_manager_item *ptr = link->manager->connections;
mongo_con_manager_item *current;
long count = 0;
while (ptr) {
current = ptr;
ptr = ptr->next;
close_connection(link->manager, (mongo_connection *)current->data);
count++;
}
RETVAL_LONG(count);
} else {
/* Close master */
connection = mongo_get_read_write_connection(link->manager, link->servers, MONGO_CON_FLAG_WRITE|MONGO_CON_FLAG_DONT_CONNECT, (char **) &error_message);
RETVAL_LONG(close_connection(link->manager, connection));
}
} else if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &hash, &hash_len) == SUCCESS) {
/* Lookup hash and destroy it */
connection = mongo_manager_connection_find_by_hash(link->manager, hash);
if (!connection) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "A connection with hash '%s' does not exist.", hash);
RETURN_LONG(0);
}
RETVAL_LONG(close_connection(link->manager, connection));
} else {
return;
}
if (error_message) {
free(error_message);
}
RETURN_TRUE;
}
/* }}} */
static int close_connection(mongo_con_manager *manager, mongo_connection *connection)
{
if (connection) {
mongo_manager_connection_deregister(manager, connection);
return 1;
} else {
return 0;
}
}
static void stringify_server(mongo_server_def *server, smart_str *str)
{
/* copy host */
smart_str_appends(str, server->host);
smart_str_appendc(str, ':');
smart_str_append_long(str, server->port);
}
/* {{{ proto string MongoClient->__toString(void)
Returns comma seperated list of servers we try to use */
PHP_METHOD(MongoClient, __toString)
{
smart_str str = { NULL, 0, 0 };
mongoclient *link;
int i;
PHP_MONGO_GET_LINK(getThis());
for (i = 0; i < link->servers->count; i++) {
/* if this is not the first one, add a comma */
if (i) {
smart_str_appendc(&str, ',');
}
stringify_server(link->servers->server[i], &str);
}
smart_str_0(&str);
RETURN_STRINGL(str.c, str.len, 0);
}
/* }}} */
/* Selects a database and returns it as zval. If the return value is NULL, an
* exception is set. This should only happen if the passed client is invalid or
* the database name is invalid. */
zval *php_mongoclient_selectdb(zval *zlink, char *name, int name_len TSRMLS_DC)
{
zval *zdb;
mongoclient *link;
int free_zlink_ptr = 0;
if (memchr(name, '\0', name_len) != NULL) {
zend_throw_exception_ex(mongo_ce_Exception, 2 TSRMLS_CC, "'\\0' not allowed in database names: %s\\0...", name);
return NULL;
}
link = (mongoclient*) zend_object_store_get_object(zlink TSRMLS_CC);
if (link == NULL || link->servers == NULL) {
zend_throw_exception(mongo_ce_Exception, "The MongoClient object has not been correctly initialized by its constructor", 0 TSRMLS_CC);
return NULL;
}
/* We need to check whether we are switching to a database that was not
* part of the connection string. This is not a problem if we are not using
* authentication, but it is if we are. If we are, we need to do some fancy
* cloning and creating a new mongo_servers structure. Authentication is a
* pain™ */
if (link->servers->server[0]->db && strcmp(link->servers->server[0]->db, name) != 0) {
mongo_manager_log(
link->manager, MLOG_CON, MLOG_INFO,
"The requested database (%s) is not what we have in the link info (%s)",
name, link->servers->server[0]->db
);
/* So here we check if a username and password are used. If so, the
* madness starts */
if (link->servers->server[0]->username && link->servers->server[0]->password) {
zval *zlink_tmp;
mongoclient *new_link;
int i;
if (strcmp(link->servers->server[0]->db, "admin") == 0) {
mongo_manager_log(
link->manager, MLOG_CON, MLOG_FINE,
"The link info has 'admin' as database, no need to clone it then"
);
} else {
mongo_manager_log(
link->manager, MLOG_CON, MLOG_INFO,
"We are in an authenticated link (db: %s, user: %s), so we need to clone it.",
link->servers->server[0]->db, link->servers->server[0]->username
);
/* Create the new link object */
MAKE_STD_ZVAL(zlink_tmp);
object_init_ex(zlink_tmp, mongo_ce_MongoClient);
new_link = (mongoclient*) zend_object_store_get_object(zlink_tmp TSRMLS_CC);
new_link->manager = link->manager;
new_link->servers = calloc(1, sizeof(mongo_servers));
mongo_servers_copy(new_link->servers, link->servers, MONGO_SERVER_COPY_CREDENTIALS);
/* We assume the previous credentials will work on this
* database too, or if authSource is set, authenticate against
* that database */
for (i = 0; i < new_link->servers->count; i++) {
new_link->servers->server[i]->db = strdup(name);
}
zlink = zlink_tmp;
free_zlink_ptr = 1;
}
}
}
MAKE_STD_ZVAL(zdb);
object_init_ex(zdb, mongo_ce_DB);
if (FAILURE == php_mongodb_init(zdb, zlink, name, name_len TSRMLS_CC)) {
zval_ptr_dtor(&zdb);
zdb = NULL;
}
if (free_zlink_ptr) {
zval_ptr_dtor(&zlink);
}
return zdb;
}
/* {{{ proto MongoDB MongoClient->selectDB(string dbname)
Returns a new MongoDB object for the specified database name */
PHP_METHOD(MongoClient, selectDB)
{
char *name;
int name_len;
zval *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
return;
}
db = php_mongoclient_selectdb(getThis(), name, name_len TSRMLS_CC);
if (db != NULL) {
RETURN_ZVAL(db, 0, 1);
}
}
/* }}} */
/* {{{ proto MongoDB MongoClient::__get(string dbname)
Returns a new MongoDB object for the specified database name */
PHP_METHOD(MongoClient, __get)
{
char *name;
int name_len;
zval *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
return;
}
db = php_mongoclient_selectdb(getThis(), name, name_len TSRMLS_CC);
if (db != NULL) {
RETURN_ZVAL(db, 0, 1);
}
}
/* }}} */
/* {{{ proto MongoCollection MongoClient::selectCollection(string dbname, string collection_name)
Returns a new MongoCollection for the specified database and collection names */
PHP_METHOD(MongoClient, selectCollection)
{
char *db, *coll;
int db_len, coll_len;
zval *z_db, *z_collection;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &db, &db_len, &coll, &coll_len) == FAILURE) {
return;
}
z_db = php_mongoclient_selectdb(getThis(), db, db_len TSRMLS_CC);
if (z_db == NULL) {
return;
}
z_collection = php_mongo_selectcollection(z_db, coll, coll_len TSRMLS_CC);
if (z_collection != NULL) {
/* Only copy the zval into return_value if it worked. If collection is
* NULL here, an exception is set */
RETVAL_ZVAL(z_collection, 0, 1);
}
zval_ptr_dtor(&z_db);
}
/* }}} */
/* {{{ proto array MongoClient::getReadPreference(void)
Returns the currently set read preference.*/
PHP_METHOD(MongoClient, getReadPreference)
{
mongoclient *link;
PHP_MONGO_GET_LINK(getThis());
array_init(return_value);
add_assoc_string(return_value, "type", mongo_read_preference_type_to_name(link->servers->read_pref.type), 1);
php_mongo_add_tagsets(return_value, &link->servers->read_pref);
}
/* }}} */
/* {{{ proto bool MongoClient::setReadPreference(string read_preference [, array tags ])
Sets a read preference to be used for all read queries.*/
PHP_METHOD(MongoClient, setReadPreference)
{
char *read_preference;
int read_preference_len;
mongoclient *link;
HashTable *tags = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|h", &read_preference, &read_preference_len, &tags) == FAILURE) {
return;
}
PHP_MONGO_GET_LINK(getThis());
if (php_mongo_set_readpreference(&link->servers->read_pref, read_preference, tags TSRMLS_CC)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ array MongoClient::getWriteConcern()
* Get the MongoClient write concern, which will be inherited by constructed
* MongoDB and MongoCollection objects. */
PHP_METHOD(MongoClient, getWriteConcern)
{
mongoclient *link;
if (zend_parse_parameters_none()) {
return;
}
PHP_MONGO_GET_LINK(getThis());
array_init(return_value);
if (link->servers->options.default_wstring != NULL) {
add_assoc_string(return_value, "w", link->servers->options.default_wstring, 1);
} else {
add_assoc_long(return_value, "w", link->servers->options.default_w);
}
add_assoc_long(return_value, "wtimeout", link->servers->options.default_wtimeout);
}
/* }}} */
/* {{{ bool MongoClient::setWriteConcern(mixed w [, int wtimeout])
* Set the MongoClient write concern, which will be inherited by constructed
* MongoDB and MongoCollection objects. */
PHP_METHOD(MongoClient, setWriteConcern)
{
mongoclient *link;
zval *write_concern;
long wtimeout;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &write_concern, &wtimeout) == FAILURE) {
return;
}
if (Z_TYPE_P(write_concern) != IS_LONG && Z_TYPE_P(write_concern) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "expects parameter 1 to be an string or integer, %s given", zend_get_type_by_const(Z_TYPE_P(write_concern)));
RETURN_FALSE;
}
PHP_MONGO_GET_LINK(getThis());
if (link->servers->options.default_wstring) {
free(link->servers->options.default_wstring);
}
if (Z_TYPE_P(write_concern) == IS_LONG) {
link->servers->options.default_w = Z_LVAL_P(write_concern);
link->servers->options.default_wstring = NULL;
} else if (Z_TYPE_P(write_concern) == IS_STRING) {
link->servers->options.default_w = 1;
link->servers->options.default_wstring = strdup(Z_STRVAL_P(write_concern));
}
if (ZEND_NUM_ARGS() > 1) {
link->servers->options.default_wtimeout = wtimeout;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array MongoClient::dropDB(void)
Returns the results of the 'dropDatabase' command */
PHP_METHOD(MongoClient, dropDB)
{
zval *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &db) == FAILURE) {
RETURN_FALSE;
}
if (Z_TYPE_P(db) != IS_OBJECT || Z_OBJCE_P(db) != mongo_ce_DB) {
convert_to_string_ex(&db);
db = php_mongoclient_selectdb(getThis(), Z_STRVAL_P(db), Z_STRLEN_P(db) TSRMLS_CC);
if (db == NULL) {
return;
}
} else {
zval_add_ref(&db);
}
MONGO_METHOD(MongoDB, drop, return_value, db);
zval_ptr_dtor(&db);
}
/* }}} */
/* {{{ proto array MongoClient->listDBs(void)
Returns the results of the 'listDatabases' command, executed on the 'admin' database */
PHP_METHOD(MongoClient, listDBs)
{
zval *cmd, *zdb, *retval;
mongo_db *db;