WebSocketServer.cpp
6.15 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
#include <iostream>
#include "WebSocketServer.h"
#include "./Utils/StringTools.hpp"
#include "ConfigParser.hpp"
#include "./Utils/logger.hpp"
using websocketpp::lib::placeholders::_1;
using websocketpp::lib::placeholders::_2;
using websocketpp::lib::bind;
WebSocketServer::WebSocketServer(/* args */)
{
}
WebSocketServer::~WebSocketServer()
{
}
int WebSocketServer::parse_invite(vector<string>& vec_msg, std::string ip) {
string net_type = "";
if (StringTools::to_lower(vec_msg[1]) == "udp") {
net_type = "udp";
} else if (StringTools::to_lower(vec_msg[1]) == "tcp") {
net_type = "tcp";
}
LOG_INFO("invite {}:{} net type: {}", vec_msg[2], vec_msg[3], vec_msg[1]);
int ret = -100;
if ("udp" == net_type) {
ret = sip_server.RequestInvite_UDP(vec_msg[2].c_str(), ip.c_str(), atoi(vec_msg[3].c_str()));
} else if ("tcp" == net_type)
{
/* code */
}
return ret;
}
string WebSocketServer::get_ip_from_hdl(websocketpp::connection_hdl hdl) {
server::connection_ptr con = ws_server.get_con_from_hdl(hdl);
// 获取客户端IP地址
auto addr = con->get_socket().remote_endpoint().address().to_string();
std::string ip = addr.substr(addr.find_last_of(":")+1);
LOG_DEBUG("ip:{}", ip);
return ip;
}
int WebSocketServer::msg_parser(websocketpp::connection_hdl hdl, string msg) {
vector<string> vec_msg = StringTools::split(msg, "|");
if (vec_msg.size() <= 0) {
return -1;
}
string ip = get_ip_from_hdl(hdl);
string response_msg = "";
int ret = -100;
if ( StringTools::to_lower(vec_msg[0]) == "invite") {
ret = parse_invite(vec_msg, ip);
string strKey = vec_msg[2] + "_" + vec_msg[3];
if (ret > 0) {
std::lock_guard<std::mutex> l_hdl(m_channelport_hdl_map_mtx);
m_channelport_hdl_map[strKey] = hdl;
}
response_msg = strKey +"|" + vec_msg[0] + "|" + vec_msg[1] + "|" + to_string(ret);
ws_server.send(hdl, response_msg, websocketpp::frame::opcode::text);
} else if ( StringTools::to_lower(vec_msg[0]) == "bye") {
if (StringTools::to_lower(vec_msg[1]) == "invite") {
LOG_INFO("BYE invite: {}", vec_msg[2]);
std::lock_guard<std::mutex> l_hdl(m_channelport_hdl_map_mtx);
string strKey = vec_msg[2] + "_" + vec_msg[3];
auto it = m_channelport_hdl_map.find(strKey);
if (it != m_channelport_hdl_map.end()) {
m_channelport_hdl_map.erase(it);
}
ret = sip_server.ByeInvite(vec_msg[2], ip, atoi(vec_msg[3].c_str()));
}
} else {
LOG_ERROR("on_message called with hdl: {} and message:{}", hdl.lock().get(), msg);
}
return ret;
}
void WebSocketServer::response_client(std::string sip_channel_id, int rtp_port, std::string net_type, int ret) {
std::lock_guard<std::mutex> l_hdl(m_channelport_hdl_map_mtx);
string strKey = sip_channel_id + "_" + to_string(rtp_port);
auto it = m_channelport_hdl_map.find(strKey);
if (it == m_channelport_hdl_map.end()) {
return;
}
try {
// invite
string response_msg = strKey +"|invite|" + net_type + "|" + to_string(ret);
ws_server.send(it->second, response_msg, websocketpp::frame::opcode::text);
} catch(const std::exception& e) {
// 存在一种可能：连接已经断开，但是sip那边请求失败，这种时候应该是会抛出异常。所以这里用try-cache，屏蔽此情况造成的问题
LOG_WARN("response failed because::{}", e.what());
}
}
// Define a callback to handle incoming messages
void WebSocketServer::on_message(websocketpp::connection_hdl hdl, message_ptr msg) {
if (msg->get_payload() == "stop-listening") {
ws_server.stop_listening();
return;
}
try {
msg_parser(hdl,msg->get_payload());
} catch (websocketpp::exception const & e) {
LOG_ERROR("Echo failed because::{}", e.what());
ws_server.send(hdl, to_string(-101), websocketpp::frame::opcode::text);
}
}
void WebSocketServer::on_open(websocketpp::connection_hdl hdl)
{
LOG_INFO("连接sip服务器成功！");
}
void WebSocketServer::on_fail(websocketpp::connection_hdl h){
LOG_WARN("连接sip服务器失败！");
}
void WebSocketServer::on_close(websocketpp::connection_hdl h){
LOG_INFO("on_close:{}", h.lock().get());
std::lock_guard<std::mutex> l_hdl(m_channelport_hdl_map_mtx);
for (auto it = m_channelport_hdl_map.begin(); it != m_channelport_hdl_map.end(); )
{
server::connection_ptr con = ws_server.get_con_from_hdl(it->second);
server::connection_ptr con_std = ws_server.get_con_from_hdl(h);
if (con == con_std) {
it = m_channelport_hdl_map.erase(it);
} else {
it++;
}
}
}
void WebSocketServer::start() {
ConfigParser* pConfig = ConfigParser::getInstance();
if (!pConfig->init())
{
LOG_ERROR("get config failed!");
return;
}
ServerInfo info = pConfig->getServerCfg();
sip_server.Init(&info, this);
try {
// Set logging settings
ws_server.set_access_channels(websocketpp::log::alevel::all);
ws_server.clear_access_channels(websocketpp::log::alevel::frame_payload);
// Initialize Asio
ws_server.init_asio();
// Register our message handler
ws_server.set_message_handler(bind(&WebSocketServer::on_message,this,::_1,::_2));
ws_server.set_open_handler(bind(&WebSocketServer::on_open, this, _1));
ws_server.set_fail_handler(bind(&WebSocketServer::on_fail, this, _1));
ws_server.set_close_handler(bind(&WebSocketServer::on_close, this, _1));
// Listen on port 9002
int port = info.getWsPort();
LOG_INFO("websocket server listen:{}", port);
ws_server.listen(port);
// Start the server accept loop
ws_server.start_accept();
// Start the ASIO io_service run loop
ws_server.run();
} catch (websocketpp::exception const & e) {
LOG_ERROR("websocket start failed:{}", e.what());
} catch (...) {
LOG_ERROR("websocket start failed: other exception");
}
}