C++ (Cpp) mars_send_struct Examples

Example #1

File: sy_net.c Project: 1and1/mars

int mars_send_dent_list(struct mars_socket *sock, struct list_head *anchor)
{
	struct list_head *tmp;
	struct mars_dent *dent;
	int status = 0;
	for (tmp = anchor->next; tmp != anchor; tmp = tmp->next) {
		dent = container_of(tmp, struct mars_dent, dent_link);
		status = mars_send_struct(sock, dent, mars_dent_meta);
		if (status < 0)
			break;
	}
	if (status >= 0) { // send EOR
		status = mars_send_struct(sock, NULL, mars_dent_meta);
	}
	return status;
}

Example #2

File: mars_client.c Project: ZyanKLee/mars

static int _request_info(struct client_output *output)
{
	struct mars_cmd cmd = {
		.cmd_code = CMD_GETINFO,
	};
	int status;
	
	MARS_DBG("\n");
	status = mars_send_struct(&output->socket, &cmd, mars_cmd_meta);
	if (unlikely(status < 0)) {
		MARS_DBG("send of getinfo failed, status = %d\n", status);
	}
	return status;
}

Example #3

File: mars_client.c Project: ZyanKLee/mars

static int _connect(struct client_output *output, const char *str)
{
	struct sockaddr_storage sockaddr = {};
	int status;

	if (unlikely(!output->path)) {
		output->path = brick_strdup(str);
		status = -ENOMEM;
		if (!output->path) {
			MARS_DBG("no mem\n");
			goto done;
		}
		status = -EINVAL;
		output->host = strchr(output->path, '@');
		if (!output->host) {
			brick_string_free(output->path);
			output->path = NULL;
			MARS_ERR("parameter string '%s' contains no remote specifier with '@'-syntax\n", str);
			goto done;
		}
		*output->host++ = '\0';
	}

	if (unlikely(output->receiver.thread)) {
		MARS_WRN("receiver thread unexpectedly not dead\n");
		_kill_thread(&output->receiver, "receiver");
	}

	status = mars_create_sockaddr(&sockaddr, output->host);
	if (unlikely(status < 0)) {
		MARS_DBG("no sockaddr, status = %d\n", status);
		goto done;
	}
	
	status = mars_create_socket(&output->socket, &sockaddr, false);
	if (unlikely(status < 0)) {
		MARS_DBG("no socket, status = %d\n", status);
		goto really_done;
	}
	output->socket.s_shutdown_on_err = true;

	output->receiver.thread = brick_thread_create(receiver_thread, output, "mars_receiver%d", thread_count++);
	if (unlikely(!output->receiver.thread)) {
		MARS_ERR("cannot start receiver thread, status = %d\n", status);
		status = -ENOENT;
		goto done;
	}


	{
		struct mars_cmd cmd = {
			.cmd_code = CMD_CONNECT,
			.cmd_str1 = output->path,
		};

		status = mars_send_struct(&output->socket, &cmd, mars_cmd_meta);
		if (unlikely(status < 0)) {
			MARS_DBG("send of connect failed, status = %d\n", status);
			goto done;
		}
	}
	if (status >= 0) {
		status = _request_info(output);
	}

done:
	if (status < 0) {
		MARS_INF("cannot connect to remote host '%s' (status = %d) -- retrying\n", output->host ? output->host : "NULL", status);
		_kill_socket(output);
	}
really_done:
	return status;
}

////////////////// own brick / input / output operations //////////////////

static int client_get_info(struct client_output *output, struct mars_info *info)
{
	int status;

	output->got_info = false;
	output->get_info = true;
	wake_up_interruptible(&output->event);
	
	wait_event_interruptible_timeout(output->info_event, output->got_info, 60 * HZ);
	status = -EIO;
	if (output->got_info && info) {
		memcpy(info, &output->info, sizeof(*info));
		status = 0;
	}

//done:
	return status;
}