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message_pack_rpc.cpp
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message_pack_rpc.cpp
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/*************************************************************************/
/* message_pack_rpc.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "message_pack_rpc.h"
#include "core/os/memory.h"
PackedByteArray MessagePackRPC::make_message_byte_array(const Array &p_message) {
// MessagePack message elements never less than 3 and never more than 4.
ERR_FAIL_COND_V_MSG((p_message.size() < 3 || p_message.size() > 4), Variant(),
"Not a valid message.");
ERR_FAIL_COND_V_MSG((p_message[0].get_type() != Variant::Type::INT), Variant(),
"Not a valid message.");
switch (int(p_message[0])) {
case REQUEST:
// Request message: [type, msgid, method, params]
ERR_FAIL_COND_V(p_message.size() != 4, Variant());
break;
case RESPONSE:
// Response message: [type, msgid, error, result]
ERR_FAIL_COND_V(p_message.size() != 4, Variant());
break;
case NOTIFICATION:
// Notification message: [type, method, params]
ERR_FAIL_COND_V(p_message.size() != 3, Variant());
break;
}
Array result = MessagePack::encode(p_message);
ERR_FAIL_COND_V_MSG(int(result[0]) != OK, Variant(),
"Some error occurred while packing request: " + String(result[1]));
return result[1];
}
PackedByteArray MessagePackRPC::make_request(int p_msgid, const String &p_method, const Array &p_params) {
Array msg;
msg.resize(4);
msg[0] = REQUEST;
msg[1] = p_msgid;
msg[2] = p_method;
msg[3] = p_params;
return make_message_byte_array(msg);
}
PackedByteArray MessagePackRPC::make_response(int p_msgid, const Variant &p_result, const Variant &p_error) {
Array msg;
msg.resize(4);
msg[0] = RESPONSE;
msg[1] = p_msgid;
msg[2] = p_error;
msg[3] = p_result;
return make_message_byte_array(msg);
}
PackedByteArray MessagePackRPC::make_notification(const String &p_method, const Array &p_params) {
Array msg;
msg.resize(3);
msg[0] = NOTIFICATION;
msg[1] = p_method;
msg[2] = p_params;
return make_message_byte_array(msg);
}
void MessagePackRPC::_error_handle(Error p_err, const String p_err_msg) {
call_deferred(SNAME("_got_error"), p_err, p_err_msg);
}
Error MessagePackRPC::_message_handle(const Variant &p_message) {
if (p_message.get_type() == Variant::ARRAY) {
String _err_msg = "Invalid message received: " + p_message.to_json_string();
Array msg_arr = p_message;
if (msg_arr[0].get_type() != Variant::INT) {
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, _err_msg);
}
switch (int(msg_arr[0])) {
case REQUEST: // Request [msgid, method, params]
ERR_FAIL_COND_V_MSG(msg_arr.size() != 4, ERR_INVALID_PARAMETER, _err_msg);
if (request_map.has(msg_arr[2])) {
MessageQueue::get_singleton()->push_callable(request_map[msg_arr[2]], msg_arr[1], msg_arr[2], msg_arr[3]);
// registered request, not emit signal
return OK;
}
call_deferred(SNAME("_request_received"), msg_arr[1], msg_arr[2], msg_arr[3]);
break;
case RESPONSE: // Response [msgid, error, result]
ERR_FAIL_COND_V_MSG(msg_arr.size() != 4, ERR_INVALID_PARAMETER, _err_msg);
if (sync_started && sync_msgid == int(msg_arr[1])) {
// Sync request responded.
sync_result[0] = msg_arr[2];
sync_result[1] = msg_arr[3];
sync_responded = true;
// sync response not emit signal, return directly.
return OK;
}
call_deferred(SNAME("_response_received"), msg_arr[1], msg_arr[2], msg_arr[3]);
break;
case NOTIFICATION: // Notification [method, params]
ERR_FAIL_COND_V_MSG(msg_arr.size() != 3, ERR_INVALID_PARAMETER, _err_msg);
if (notify_map.has(msg_arr[1])) {
MessageQueue::get_singleton()->push_callable(notify_map[msg_arr[1]], msg_arr[1], msg_arr[2]);
// registered notification, not emit signal
return OK;
}
call_deferred(SNAME("_notification_received"), msg_arr[1], msg_arr[2]);
break;
default:
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, _err_msg);
break;
}
call_deferred(SNAME("_message_received"), p_message);
} else {
// Invalid message
// MessagePack rpc packet received, but not an array.
}
return OK;
}
Error MessagePackRPC::_try_connect(const IPAddress &p_ip, int p_port) {
const int tries = 6;
const int waits[tries] = { 1, 10, 100, 1000, 1000, 1000 };
tcp_stream->connect_to_host(p_ip, p_port);
for (int i = 0; i < tries; i++) {
tcp_stream->poll();
if (tcp_stream->get_status() == StreamPeerTCP::STATUS_CONNECTED) {
print_verbose("MessagePackRPC tcp peer Connected!");
break;
} else {
const int ms = waits[i];
OS::get_singleton()->delay_usec(ms * 1000);
print_verbose("MessagePackRPC tcp peer: Connection failed with status: '" +
String::num(tcp_stream->get_status()) + "', retrying in " + String::num(ms) + " msec.");
}
}
if (tcp_stream->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
ERR_PRINT("MessagePackRPC: Unable to connect. Status: " + String::num(tcp_stream->get_status()) + ".");
return FAILED;
}
return OK;
}
void MessagePackRPC::_thread_func(void *p_user_data) {
const uint64_t poll_interval = 6900;
MessagePackRPC *rpc = (MessagePackRPC *)p_user_data;
while (rpc->running) {
uint64_t ticks_usec = OS::get_singleton()->get_ticks_usec();
rpc->poll();
ticks_usec = OS::get_singleton()->get_ticks_msec() - ticks_usec;
if (ticks_usec < poll_interval) {
OS::get_singleton()->delay_usec(poll_interval - ticks_usec);
}
}
}
Error MessagePackRPC::connect_to_host(const IPAddress &p_ip, int p_port, bool p_big_endian) {
// try to connect to the specified address.
if (_try_connect(p_ip, p_port) != OK) {
return ERR_CANT_CONNECT;
}
tcp_stream->set_big_endian(p_big_endian);
_start_stream();
connected = true;
running = true;
thread.start(_thread_func, this);
emit_signal(SNAME("rpc_connected"), tcp_stream->get_connected_host(), tcp_stream->get_connected_port());
return OK;
}
Error MessagePackRPC::takeover_connection(Ref<StreamPeerTCP> p_peer) {
ERR_FAIL_COND_V_MSG(!p_peer.is_valid(), ERR_INVALID_PARAMETER, "Stream invalid.");
p_peer->poll();
ERR_FAIL_COND_V_MSG(p_peer->get_status() != StreamPeerTCP::STATUS_CONNECTED, ERR_CONNECTION_ERROR, "Not connected.");
close();
tcp_stream = p_peer;
_start_stream();
connected = true;
running = true;
thread.start(_thread_func, this);
emit_signal(SNAME("rpc_connected"), tcp_stream->get_connected_host(), tcp_stream->get_connected_port());
return OK;
}
#if MPACK_EXTENSIONS
void MessagePackRPC::register_extension_type(int8_t p_ext_type, const Callable &p_decoder) {
msg_pack.register_extension_type(p_ext_type, p_decoder);
}
#endif
size_t MessagePackRPC::_stream_reader(mpack_tree_t *p_tree, char *r_buffer, size_t p_count) {
MessagePackRPC *rpc = (MessagePackRPC *)mpack_tree_context(p_tree);
size_t bytes_left = rpc->in_tail - rpc->in_head;
size_t read_size = MIN(p_count, bytes_left);
const uint8_t *stream_ptr = rpc->in_buf.ptr();
if (read_size > 0) {
memcpy(r_buffer, stream_ptr + rpc->in_head, read_size);
rpc->in_head += read_size;
}
return read_size;
}
void MessagePackRPC::_start_stream(int p_msgs_max) {
msg_pack.start_stream_with_reader(_stream_reader, this, p_msgs_max);
}
Error MessagePackRPC::_try_parse_stream() {
Error err = msg_pack.try_parse_stream();
if (err == OK) {
// if okay, got data.
_message_handle(msg_pack.get_data());
}
return err;
}
void MessagePackRPC::_write_out() {
while (tcp_stream->get_status() == StreamPeerTCP::STATUS_CONNECTED && tcp_stream->wait(NetSocket::POLL_TYPE_OUT) == OK) {
uint8_t *buf = out_buf.ptrw();
if (out_head >= out_tail) {
if (msg_queue.size() == 0) {
break; // Nothing left to send
}
mutex.lock();
Array msg = msg_queue[0];
msg_queue.pop_front();
mutex.unlock();
PackedByteArray msg_buf = make_message_byte_array(msg);
ERR_CONTINUE(msg_buf.size() <= 0 || msg_buf.size() > _MSG_BUF_MAX_SIZE);
memcpy(out_buf.ptrw(), msg_buf.ptr(), msg_buf.size());
out_head = 0;
out_tail = msg_buf.size();
}
int sent = 0;
tcp_stream->put_partial_data(buf + out_head, out_tail - out_head, sent);
out_head += sent;
}
}
void MessagePackRPC::_read_in() {
while (tcp_stream->get_status() == StreamPeerTCP::STATUS_CONNECTED && tcp_stream->wait(NetSocket::POLL_TYPE_IN) == OK) {
uint8_t *buf = in_buf.ptrw();
if (in_head >= in_tail) {
if (tcp_stream->get_available_bytes() < 1) {
break;
}
int read = 0;
Error err = tcp_stream->get_partial_data(buf, _MSG_BUF_MAX_SIZE, read);
ERR_CONTINUE(err != OK || read <= 0);
in_head = 0;
in_tail = read;
}
int available = tcp_stream->get_available_bytes();
int read = 0;
if (in_tail + available < _MSG_BUF_MAX_SIZE) {
tcp_stream->get_partial_data(buf + in_tail, available, read);
} else {
tcp_stream->get_partial_data(buf + in_tail, _MSG_BUF_MAX_SIZE - in_tail, read);
}
in_tail += read;
}
}
void MessagePackRPC::poll() {
if (connected) {
_write_out();
_read_in();
if (in_tail > in_head) {
_try_parse_stream();
}
connected = tcp_stream->get_status() == StreamPeerTCP::STATUS_CONNECTED;
}
}
void MessagePackRPC::close() {
running = false;
thread.wait_to_finish();
connected = false;
if (tcp_stream.is_valid()) {
tcp_stream->disconnect_from_host();
emit_signal(SNAME("rpc_disconnected"), tcp_stream->get_connected_host(), tcp_stream->get_connected_port());
}
}
Error MessagePackRPC::register_request(const String &p_method, const Callable &p_callable, bool p_rewrite) {
ERR_FAIL_COND_V_MSG((!p_rewrite && request_map.has(p_method)), ERR_ALREADY_EXISTS, "Request '" + p_method + "' already exist.");
request_map[p_method] = p_callable;
return OK;
}
Error MessagePackRPC::unregister_request(const String &p_method) {
ERR_FAIL_COND_V_MSG(!request_map.has(p_method), ERR_DOES_NOT_EXIST, "Reqeust '" + p_method + "'does not registered.");
request_map.erase(p_method);
return OK;
}
Error MessagePackRPC::register_notification(const String &p_method, const Callable &p_callable, bool p_rewrite) {
ERR_FAIL_COND_V_MSG((!p_rewrite && notify_map.has(p_method)), ERR_ALREADY_EXISTS, "Notify '" + p_method + "' already exist.");
notify_map[p_method] = p_callable;
return OK;
}
Error MessagePackRPC::unregister_notification(const String &p_method) {
ERR_FAIL_COND_V_MSG(!notify_map.has(p_method), ERR_DOES_NOT_EXIST, "Notify '" + p_method + "'does not registered.");
notify_map.erase(p_method);
return OK;
}
void MessagePackRPC::_got_error(Error p_err, const String &p_err_msg) {
emit_signal(SNAME("got_error"), p_err, p_err_msg);
}
void MessagePackRPC::_message_received(const Variant &p_message) {
emit_signal(SNAME("message_received"), p_message);
}
void MessagePackRPC::_request_received(int p_msgid, const String &p_method, const Array &p_params) {
emit_signal(SNAME("request_received"), p_msgid, p_method, p_params);
}
void MessagePackRPC::_response_received(int p_msgid, const Variant &p_error, const Variant &p_result) {
emit_signal(SNAME("response_received"), p_msgid, p_error, p_result);
}
void MessagePackRPC::_notification_received(const String &p_method, const Array &p_params) {
emit_signal(SNAME("notification_received"), p_method, p_params);
}
bool MessagePackRPC::is_rpc_connected() {
return connected;
}
Error MessagePackRPC::_put_message(const Array &p_msg) {
MutexLock lock(mutex);
if (msg_queue.size() >= _MSG_QUEUE_MAX_SIZE) {
return ERR_OUT_OF_MEMORY;
}
msg_queue.push_back(p_msg);
return OK;
}
Array MessagePackRPC::_sync_call(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
if (p_argcount < 2) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 1;
ERR_FAIL_V_MSG(Array(), "Too few arguments. Expected at least 2.");
}
if (p_args[0]->get_type() != Variant::STRING && p_args[0]->get_type() != Variant::STRING_NAME) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
ERR_FAIL_V_MSG(Array(), "Argument 'method' must be a string.");
}
if (p_args[1]->get_type() != Variant::INT) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::INT;
ERR_FAIL_V_MSG(Array(), "Argument 'timeout_msec' must be an integer.");
}
r_error.error = Callable::CallError::CALL_OK;
String method = *p_args[0];
int timeout = *p_args[1];
Array args;
args.resize(p_argcount - 2);
for (int i = 0; i < p_argcount - 2; i++) {
args[i] = *p_args[i + 2];
}
return sync_callv(method, timeout, args);
}
Array MessagePackRPC::sync_callv(const String &p_method, uint64_t p_timeout_msec, const Array &p_params) {
ERR_FAIL_COND_V_MSG(!running, Array(), "Connect to a peer first.");
Array msg_req;
msg_req.resize(4);
msg_req[0] = REQUEST;
msg_req[1] = msgid;
msg_req[2] = p_method;
msg_req[3] = p_params;
sync_responded = false;
sync_msgid = msgid;
sync_started = true;
if (_put_message(msg_req) != OK) {
sync_started = false;
ERR_FAIL_V_MSG(Array(), "Message queue is full.");
}
msgid += 1;
// Wait until sync response is received or timeout.
uint64_t start_time = OS::get_singleton()->get_ticks_msec();
while (!sync_responded) {
if (OS::get_singleton()->get_ticks_msec() - start_time > p_timeout_msec) {
// Timeout
sync_started = false;
ERR_FAIL_V_MSG(Array(), "Sync call timeout!");
}
OS::get_singleton()->delay_usec(1000);
}
sync_started = false;
return sync_result;
}
Error MessagePackRPC::_async_call(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
if (p_argcount < 1) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 0;
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Too few arguments. Expected at least 1.");
}
if (p_args[0]->get_type() != Variant::STRING && p_args[0]->get_type() != Variant::STRING_NAME) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Argument 'method' must be a string.");
}
r_error.error = Callable::CallError::CALL_OK;
String method = *p_args[0];
Array args;
args.resize(p_argcount - 1);
for (int i = 0; i < p_argcount - 1; i++) {
args[i] = *p_args[i + 1];
}
return async_callv(method, args);
}
Error MessagePackRPC::_notify(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
if (p_argcount < 1) {
r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 0;
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Too few arguments. Expected at least 1.");
}
if (p_args[0]->get_type() != Variant::STRING && p_args[0]->get_type() != Variant::STRING_NAME) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Argument 'method' must be a string.");
}
r_error.error = Callable::CallError::CALL_OK;
String method = *p_args[0];
Array args;
args.resize(p_argcount - 1);
for (int i = 0; i < p_argcount - 1; i++) {
args[i] = *p_args[i + 1];
}
return notifyv(method, args);
}
Error MessagePackRPC::async_callv(const String &p_method, const Array &p_params) {
ERR_FAIL_COND_V_MSG(!running, ERR_UNAVAILABLE, "Connect to a peer first.");
Array msg_req;
msg_req.resize(4);
msg_req[0] = REQUEST;
msg_req[1] = msgid;
msg_req[2] = p_method;
msg_req[3] = p_params;
ERR_FAIL_COND_V_MSG(_put_message(msg_req) != OK, ERR_OUT_OF_MEMORY, "Message queue is full.");
msgid += 1;
return OK;
}
Error MessagePackRPC::response(uint64_t p_msgid, const Variant &p_result) {
ERR_FAIL_COND_V_MSG(!running, ERR_UNAVAILABLE, "Connect to a peer first.");
Array msg_req;
msg_req.resize(4);
msg_req[0] = RESPONSE;
msg_req[1] = p_msgid;
msg_req[2] = Variant();
msg_req[3] = p_result;
ERR_FAIL_COND_V_MSG(_put_message(msg_req) != OK, ERR_OUT_OF_MEMORY, "Message queue is full.");
return OK;
}
Error MessagePackRPC::response_error(uint64_t p_msgid, const Variant &p_error) {
ERR_FAIL_COND_V_MSG(!running, ERR_UNAVAILABLE, "Connect to a peer first.");
Array msg_req;
msg_req.resize(4);
msg_req[0] = RESPONSE;
msg_req[1] = p_msgid;
msg_req[2] = p_error;
msg_req[3] = Variant();
ERR_FAIL_COND_V_MSG(_put_message(msg_req) != OK, ERR_OUT_OF_MEMORY, "Message queue is full.");
return OK;
}
Error MessagePackRPC::notifyv(const String &p_method, const Array &p_params) {
ERR_FAIL_COND_V_MSG(!running, ERR_UNAVAILABLE, "Connect to a peer first.");
Array msg_req;
msg_req.resize(3);
msg_req[0] = NOTIFICATION;
msg_req[1] = p_method;
msg_req[2] = p_params;
ERR_FAIL_COND_V_MSG(_put_message(msg_req) != OK, ERR_OUT_OF_MEMORY, "Message queue is full.");
return OK;
}
MessagePackRPC::MessagePackRPC(Ref<StreamPeerTCP> p_stream) {
// MessagePackRPC will takes 16 MiB just because it exists...
in_buf.resize(_MSG_BUF_MAX_SIZE);
out_buf.resize(_MSG_BUF_MAX_SIZE);
sync_result.resize(2);
tcp_stream = p_stream;
if (!tcp_stream.is_valid()) {
tcp_stream.instantiate();
}
}
MessagePackRPC::~MessagePackRPC() {
close();
out_buf.clear();
in_buf.clear();
sync_result.clear();
}
void MessagePackRPC::_bind_methods() {
ClassDB::bind_static_method("MessagePackRPC", D_METHOD("make_message_byte_array", "message"), &MessagePackRPC::make_message_byte_array);
ClassDB::bind_static_method("MessagePackRPC", D_METHOD("make_request", "msg_id", "method", "params"), &MessagePackRPC::make_request, DEFVAL(Array()));
ClassDB::bind_static_method("MessagePackRPC", D_METHOD("make_response", "msg_id", "result", "error"), &MessagePackRPC::make_response, DEFVAL(Variant()));
ClassDB::bind_static_method("MessagePackRPC", D_METHOD("make_notification", "method", "params"), &MessagePackRPC::make_notification, DEFVAL(Array()));
ClassDB::bind_method(D_METHOD("connect_to_host", "ip", "port", "big_endian"), &MessagePackRPC::connect_to_host, DEFVAL(false));
ClassDB::bind_method(D_METHOD("takeover_connection", "tcp_connection"), &MessagePackRPC::takeover_connection);
ClassDB::bind_method(D_METHOD("close"), &MessagePackRPC::close);
#if MPACK_EXTENSIONS
ClassDB::bind_method(D_METHOD("register_extension_type", "type_id", "decoder"), &MessagePackRPC::register_extension_type);
#endif
ClassDB::bind_method(D_METHOD("register_request", "method", "callable", "rewrite"), &MessagePackRPC::register_request, DEFVAL(false));
ClassDB::bind_method(D_METHOD("unregister_request", "method"), &MessagePackRPC::unregister_request);
ClassDB::bind_method(D_METHOD("register_notification", "method", "callable", "rewrite"), &MessagePackRPC::register_notification, DEFVAL(false));
ClassDB::bind_method(D_METHOD("unregister_notification", "method"), &MessagePackRPC::unregister_notification);
ClassDB::bind_method(D_METHOD("_message_received", "message"), &MessagePackRPC::_message_received);
ClassDB::bind_method(D_METHOD("_request_received", "msgid", "method", "params"), &MessagePackRPC::_request_received);
ClassDB::bind_method(D_METHOD("_response_received", "msgid", "error", "result"), &MessagePackRPC::_response_received);
ClassDB::bind_method(D_METHOD("_notification_received", "method", "params"), &MessagePackRPC::_notification_received);
{
MethodInfo mi;
mi.name = "sync_call";
mi.arguments.push_back(PropertyInfo(Variant::STRING, "method"));
mi.arguments.push_back(PropertyInfo(Variant::INT, "timeout_msec"));
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "sync_call", &MessagePackRPC::_sync_call, mi, varray());
}
{
MethodInfo mi;
mi.name = "async_call";
mi.arguments.push_back(PropertyInfo(Variant::STRING, "method"));
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "async_call", &MessagePackRPC::_async_call, mi, varray());
}
{
MethodInfo mi;
mi.name = "notify";
mi.arguments.push_back(PropertyInfo(Variant::STRING, "method"));
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "notify", &MessagePackRPC::_notify, mi, varray());
}
ClassDB::bind_method(D_METHOD("get_next_msgid"), &MessagePackRPC::get_next_msgid);
ClassDB::bind_method(D_METHOD("set_next_msgid", "msgid"), &MessagePackRPC::set_next_msgid);
ClassDB::bind_method(D_METHOD("is_rpc_connected"), &MessagePackRPC::is_rpc_connected);
ClassDB::bind_method(D_METHOD("sync_callv", "method", "timeout_msec", "params"), &MessagePackRPC::sync_callv, DEFVAL(100), DEFVAL(Array()));
ClassDB::bind_method(D_METHOD("async_callv", "method", "params"), &MessagePackRPC::async_callv, DEFVAL(Array()));
ClassDB::bind_method(D_METHOD("response", "msgid", "result"), &MessagePackRPC::response);
ClassDB::bind_method(D_METHOD("response_error", "msgid", "error"), &MessagePackRPC::response_error);
ClassDB::bind_method(D_METHOD("notifyv", "method", "params"), &MessagePackRPC::notifyv, DEFVAL(Array()));
ADD_SIGNAL(MethodInfo("rpc_connected", PropertyInfo(Variant::STRING, "ip"), PropertyInfo(Variant::INT, "port")));
ADD_SIGNAL(MethodInfo("rpc_disconnected", PropertyInfo(Variant::STRING, "ip"), PropertyInfo(Variant::INT, "port")));
ADD_SIGNAL(MethodInfo("got_error", PropertyInfo(Variant::INT, "err"), PropertyInfo(Variant::STRING, "err_msg")));
ADD_SIGNAL(MethodInfo("message_received", PropertyInfo(Variant::ARRAY, "message")));
ADD_SIGNAL(MethodInfo("request_received", PropertyInfo(Variant::INT, "msgid"), PropertyInfo(Variant::STRING, "method"), PropertyInfo(Variant::ARRAY, "params")));
ADD_SIGNAL(MethodInfo("response_received", PropertyInfo(Variant::INT, "msgid"), PropertyInfo(Variant::OBJECT, "error"), PropertyInfo(Variant::ARRAY, "result")));
ADD_SIGNAL(MethodInfo("notification_received", PropertyInfo(Variant::STRING, "method"), PropertyInfo(Variant::ARRAY, "params")));
BIND_ENUM_CONSTANT(REQUEST);
BIND_ENUM_CONSTANT(RESPONSE);
BIND_ENUM_CONSTANT(NOTIFICATION);
}