コード例 #1
0
ファイル: io_stream.c プロジェクト: caoge/mongo-php-driver
/* Returns the bytes read on success
 * Returns -31 on unknown failure
 * Returns -80 on timeout
 * Returns -32 when remote server closes the connection
 */
int php_mongo_io_stream_read(mongo_connection *con, mongo_server_options *options, int timeout, void *data, int size, char **error_message)
{
	int num = 1, received = 0;
	TSRMLS_FETCH();

	if (timeout > 0 && options->socketTimeoutMS != timeout) {
		struct timeval rtimeout = {0, 0};
		rtimeout.tv_sec = timeout / 1000;
		rtimeout.tv_usec = (timeout % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
	}

	php_mongo_stream_notify_io(options, MONGO_STREAM_NOTIFY_IO_READ, 0, size TSRMLS_CC);

	/* this can return FAILED if there is just no more data from db */
	while (received < size && num > 0) {
		int len = 4096 < (size - received) ? 4096 : size - received;
		ERROR_HANDLER_DECLARATION(error_handler)

		ERROR_HANDLER_REPLACE(error_handler, mongo_ce_ConnectionException);
		num = php_stream_read(con->socket, (char *) data, len);
		ERROR_HANDLER_RESTORE(error_handler);

		if (num < 0) {
			/* Doesn't look like this can happen, php_sockop_read overwrites
			 * the failure from recv() to return 0 */
			*error_message = strdup("Read from socket failed");
			return -31;
		}

		/* It *may* have failed. It also may simply have no data */
		if (num == 0) {
			zval *metadata;

			MAKE_STD_ZVAL(metadata);
			array_init(metadata);
			if (php_stream_populate_meta_data(con->socket, metadata)) {
				zval **tmp;

				if (zend_hash_find(Z_ARRVAL_P(metadata), "timed_out", sizeof("timed_out"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						struct timeval rtimeout = {0, 0};

						if (timeout > 0 && options->socketTimeoutMS != timeout) {
							rtimeout.tv_sec = timeout / 1000;
							rtimeout.tv_usec = (timeout % 1000) * 1000;
						} else {
							rtimeout.tv_sec = options->socketTimeoutMS / 1000;
							rtimeout.tv_usec = (options->socketTimeoutMS % 1000) * 1000;
						}
						*error_message = malloc(256);
						snprintf(*error_message, 256, "Read timed out after reading %d bytes, waited for %d.%06d seconds", num, rtimeout.tv_sec, rtimeout.tv_usec);
						zval_ptr_dtor(&metadata);
						return -80;
					}
				}
				if (zend_hash_find(Z_ARRVAL_P(metadata), "eof", sizeof("eof"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						*error_message = strdup("Remote server has closed the connection");
						zval_ptr_dtor(&metadata);
						return -32;
					}
				}
			}
			zval_ptr_dtor(&metadata);
		}

		data = (char*)data + num;
		received += num;
	}
	/* PHP may have sent notify-progress of *more then* 'received' in some
	 * cases.
	 * PHP will read 8192 byte chunks at a time, but if we request less data
	 * then that PHP will just buffer the rest, which is fine.  It could
	 * confuse users a little, why their progress update was higher then the
	 * max-bytes-expected though... */
	php_mongo_stream_notify_io(options, MONGO_STREAM_NOTIFY_IO_COMPLETED, received, size TSRMLS_CC);

	if (timeout > 0 && options->socketTimeoutMS != timeout) {
		struct timeval rtimeout = {0, 0};
		rtimeout.tv_sec = options->socketTimeoutMS / 1000;
		rtimeout.tv_usec = (options->socketTimeoutMS % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
	}

	return received;
}
コード例 #2
0
/* Returns the bytes read on success
 * Returns -31 on unknown failure
 * Returns -80 on timeout
 * Returns -32 when remote server closes the connection
 */
int php_mongo_io_stream_read(mongo_connection *con, mongo_server_options *options, int timeout, void *data, int size, char **error_message)
{
	int num = 1, received = 0;
	TSRMLS_FETCH();

	int socketTimeoutMS = options->socketTimeoutMS ? options->socketTimeoutMS : FG(default_socket_timeout) * 1000;

	/* Convert negative values to -1 second, which implies no timeout */
	socketTimeoutMS = socketTimeoutMS < 0 ? -1000 : socketTimeoutMS;
	timeout = timeout < 0 ? -1000 : timeout;

	/* Socket timeout behavior varies based on the following:
	 * - Negative => no timeout (i.e. block indefinitely)
	 * - Zero => not specified (no changes to existing configuration)
	 * - Positive => used specified timeout (revert to previous value later) */
	if (timeout && timeout != socketTimeoutMS) {
		struct timeval rtimeout = {0, 0};

		rtimeout.tv_sec = timeout / 1000;
		rtimeout.tv_usec = (timeout % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
		mongo_manager_log(MonGlo(manager), MLOG_CON, MLOG_FINE, "Setting the stream timeout to %d.%06d", rtimeout.tv_sec, rtimeout.tv_usec);
	} else {
		mongo_manager_log(MonGlo(manager), MLOG_CON, MLOG_FINE, "No timeout changes for %s", con->hash);
	}

	php_mongo_stream_notify_io(options, MONGO_STREAM_NOTIFY_IO_READ, 0, size TSRMLS_CC);

	/* this can return FAILED if there is just no more data from db */
	while (received < size && num > 0) {
		int len = 4096 < (size - received) ? 4096 : size - received;
		ERROR_HANDLER_DECLARATION(error_handler)

		ERROR_HANDLER_REPLACE(error_handler, mongo_ce_ConnectionException);
		num = php_stream_read(con->socket, (char *) data, len);
		ERROR_HANDLER_RESTORE(error_handler);

		if (num < 0) {
			/* Doesn't look like this can happen, php_sockop_read overwrites
			 * the failure from recv() to return 0 */
			*error_message = strdup("Read from socket failed");
			return -31;
		}

		/* It *may* have failed. It also may simply have no data */
		if (num == 0) {
			zval *metadata;

			MAKE_STD_ZVAL(metadata);
			array_init(metadata);
			if (php_stream_populate_meta_data(con->socket, metadata)) {
				zval **tmp;

				if (zend_hash_find(Z_ARRVAL_P(metadata), "timed_out", sizeof("timed_out"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						struct timeval rtimeout = {0, 0};

						if (timeout > 0 && options->socketTimeoutMS != timeout) {
							rtimeout.tv_sec = timeout / 1000;
							rtimeout.tv_usec = (timeout % 1000) * 1000;
						} else {
							/* Convert timeout=-1 to -1second, which PHP interprets as no timeout */
							int socketTimeoutMS = options->socketTimeoutMS == -1 ? -1000 : options->socketTimeoutMS;
							rtimeout.tv_sec = socketTimeoutMS / 1000;
							rtimeout.tv_usec = (socketTimeoutMS % 1000) * 1000;
						}
						*error_message = malloc(256);
						snprintf(*error_message, 256, "Read timed out after reading %d bytes, waited for %d.%06d seconds", num, rtimeout.tv_sec, rtimeout.tv_usec);
						zval_ptr_dtor(&metadata);
						return -80;
					}
				}
				if (zend_hash_find(Z_ARRVAL_P(metadata), "eof", sizeof("eof"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						*error_message = strdup("Remote server has closed the connection");
						zval_ptr_dtor(&metadata);
						return -32;
					}
				}
			}
			zval_ptr_dtor(&metadata);
		}

		data = (char*)data + num;
		received += num;
	}
	/* PHP may have sent notify-progress of *more then* 'received' in some
	 * cases.
	 * PHP will read 8192 byte chunks at a time, but if we request less data
	 * then that PHP will just buffer the rest, which is fine.  It could
	 * confuse users a little, why their progress update was higher then the
	 * max-bytes-expected though... */
	php_mongo_stream_notify_io(options, MONGO_STREAM_NOTIFY_IO_COMPLETED, received, size TSRMLS_CC);

	/* If the timeout was changed, revert to the previous value now */
	if (timeout && timeout != socketTimeoutMS) {
		struct timeval rtimeout = {0, 0};

		/* If socketTimeoutMS was never specified, revert to default_socket_timeout */
		if (options->socketTimeoutMS == 0) {
			mongo_manager_log(MonGlo(manager), MLOG_CON, MLOG_FINE, "Stream timeout will be reverted to default_socket_timeout (%d)", FG(default_socket_timeout));
		}

		rtimeout.tv_sec = socketTimeoutMS / 1000;
		rtimeout.tv_usec = (socketTimeoutMS % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
		mongo_manager_log(MonGlo(manager), MLOG_CON, MLOG_FINE, "Now setting stream timeout back to %d.%06d", rtimeout.tv_sec, rtimeout.tv_usec);
	}

	return received;
}
コード例 #3
0
ファイル: io_stream.c プロジェクト: Jensen2k/mongo-php-driver
/* Returns the bytes read on success
 * Returns -31 on unknown failure
 * Returns -80 on timeout
 * Returns -32 when remote server closes the connection
 */
int php_mongo_io_stream_read(mongo_connection *con, mongo_server_options *options, int timeout, void *data, int size, char **error_message)
{
	int num = 1, received = 0;
	TSRMLS_FETCH();

	if (timeout > 0 && options->socketTimeoutMS != timeout) {
		struct timeval rtimeout = {0};
		rtimeout.tv_sec = timeout / 1000;
		rtimeout.tv_usec = (timeout % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
	}

	/* this can return FAILED if there is just no more data from db */
	while (received < size && num > 0) {
		int len = 4096 < (size - received) ? 4096 : size - received;

		num = php_stream_read(con->socket, (char *) data, len);

		if (num < 0) {
			/* Doesn't look like this can happen, php_sockop_read overwrites
			 * the failure from recv() to return 0 */
			*error_message = strdup("Read from socket failed");
			return -31;
		}

		/* It *may* have failed. It also may simply have no data */
		if (num == 0) {
			zval *metadata;

			MAKE_STD_ZVAL(metadata);
			array_init(metadata);
			if (php_stream_populate_meta_data(con->socket, metadata)) {
				zval **tmp;

				if (zend_hash_find(Z_ARRVAL_P(metadata), "timed_out", sizeof("timed_out"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						struct timeval rtimeout = {0};

						if (timeout > 0 && options->socketTimeoutMS != timeout) {
							rtimeout.tv_sec = timeout / 1000;
							rtimeout.tv_usec = (timeout % 1000) * 1000;
						} else {
							rtimeout.tv_sec = options->socketTimeoutMS / 1000;
							rtimeout.tv_usec = (options->socketTimeoutMS % 1000) * 1000;
						}
						*error_message = malloc(256);
						snprintf(*error_message, 256, "Read timed out after reading %d bytes, waited for %d.%06d seconds", num, rtimeout.tv_sec, rtimeout.tv_usec);
						zval_ptr_dtor(&metadata);
						return -80;
					}
				}
				if (zend_hash_find(Z_ARRVAL_P(metadata), "eof", sizeof("eof"), (void**)&tmp) == SUCCESS) {
					convert_to_boolean_ex(tmp);
					if (Z_BVAL_PP(tmp)) {
						*error_message = strdup("Remote server has closed the connection");
						zval_ptr_dtor(&metadata);
						return -32;
					}
				}
			}
			zval_ptr_dtor(&metadata);
		}

		data = (char*)data + num;
		received += num;
	}

	if (options && options->ctx) {
		php_stream_notify_progress_increment((php_stream_context *)options->ctx, received, size);
	}
	if (timeout > 0 && options->socketTimeoutMS != timeout) {
		struct timeval rtimeout = {0};
		rtimeout.tv_sec = options->socketTimeoutMS / 1000;
		rtimeout.tv_usec = (options->socketTimeoutMS % 1000) * 1000;

		php_stream_set_option(con->socket, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &rtimeout);
	}

	return received;
}