Blame view

server.js 6.76 KB
b76b508a9   Adhidarma Hadiwinoto   Ready to test
1
2
3
4
5
6
7
8
  const MODULE_NAME = 'KOMODO-SDK-PUSH-TRX.SERVER';
  
  const config = require('komodo-sdk/config');
  const logger = require('tektrans-logger');
  
  const { createServer } = require('http');
  const { WebSocketServer } = require('ws');
  const uniqid = require('uniqid');
c08770406   Adhidarma Hadiwinoto   Add push-trx-sdk-...
9
  const packageJson = require('./package.json');
b76b508a9   Adhidarma Hadiwinoto   Ready to test
10
11
12
13
14
15
16
17
18
19
20
21
22
23
  const defaultValues = require('./lib/default-values');
  const isValidApikey = require('./lib/is-valid-apikey');
  const rejectConnection = require('./lib/server/reject-connection');
  const heartbeatPing = require('./lib/heartbeat-ping');
  const onPing = require('./lib/on-ping');
  const onPong = require('./lib/on-pong');
  
  const PING_INTERVAL_MS = defaultValues.pingIntervalMs;
  
  const server = createServer();
  
  let partner;
  
  exports.setPartner = (partnerFromCaller) => {
7aed3590d   Adhidarma Hadiwinoto   More verbose log ...
24
      logger.verbose(`${MODULE_NAME} D56C3427: Partner set`);
b76b508a9   Adhidarma Hadiwinoto   Ready to test
25
26
27
28
29
      partner = partnerFromCaller;
  };
  
  const wsListenPort = config.push_trx_server
      && (config.push_trx_server.port || config.push_trx_server.listen_port);
7ca0e7902   Adhidarma Hadiwinoto   Create initServer
30
  const initServer = () => {
c08770406   Adhidarma Hadiwinoto   Add push-trx-sdk-...
31
32
      const pushTrxSdkVersion = packageJson.version;
      logger.verbose(`${MODULE_NAME} 70D208B2: Initializing`, { pushTrxSdkVersion });
7ca0e7902   Adhidarma Hadiwinoto   Create initServer
33

b76b508a9   Adhidarma Hadiwinoto   Ready to test
34
35
36
      const wss = new WebSocketServer({ noServer: true, perMessageDeflate: true });
  
      wss.on('connection', (ws, req, client) => {
b76b508a9   Adhidarma Hadiwinoto   Ready to test
37
38
          // eslint-disable-next-line no-param-reassign
          ws.isAlive = true;
ffab3e8b2   Adhidarma Hadiwinoto   Fix xid pairs
39
40
41
42
43
44
          const {
              xid: connectionXid,
              remoteAddress,
              apikey,
              apikeyName,
          } = client;
b76b508a9   Adhidarma Hadiwinoto   Ready to test
45
46
  
          logger.info(`${MODULE_NAME} F7755A03: Client connected`, {
f8580302b   Adhidarma Hadiwinoto   Add server genera...
47
48
              xid: connectionXid || uniqid(),
              client,
b76b508a9   Adhidarma Hadiwinoto   Ready to test
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
          });
  
          const heatbeatPingInterval = setInterval(() => {
              heartbeatPing(ws);
          }, PING_INTERVAL_MS);
  
          ws.on('ping', (data) => onPing(ws, data));
          ws.on('pong', (data) => onPong(ws, data));
  
          ws.on('close', (code, reason) => {
              const xid = uniqid();
  
              logger.verbose(`${MODULE_NAME} AB48F13F: Client disconnected`, {
                  xid,
                  remoteAddress,
a30831dfd   Adhidarma Hadiwinoto   Add apikeyname on...
64
                  apikeyName,
b76b508a9   Adhidarma Hadiwinoto   Ready to test
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
                  apikey,
                  code,
                  reason: reason.toString(),
              });
  
              logger.verbose(`${MODULE_NAME} 151CE8C0: Clearing ping interval`, {
                  xid,
              });
              clearInterval(heatbeatPingInterval);
          });
  
          ws.on('message', (data) => {
              const xid = uniqid();
  
              // eslint-disable-next-line no-param-reassign
              ws.isAlive = true;
  
              let msg;
              try {
                  msg = JSON.parse(data.toString() || '');
              } catch (e) {
                  msg = data.toString();
              }
  
              if (!msg) return;
  
              const msgType = ((msg && (msg.type || msg.msgType)) || '').toUpperCase();
  
              logger.verbose(`${MODULE_NAME} 72D2A702: Got a message`, {
                  xid,
ffab3e8b2   Adhidarma Hadiwinoto   Fix xid pairs
95
96
                  apikeyName,
                  // apikey,
b76b508a9   Adhidarma Hadiwinoto   Ready to test
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
                  msgType,
                  msg,
                  msgSize: data.toString().length,
              });
  
              if (msgType === 'TASK') {
                  const task = msg.payload;
                  if (!task) {
                      logger.verbose(`${MODULE_NAME} 79D6A683: Missing TASK data`, { xid, msg });
                      return;
                  }
  
                  logger.verbose(`${MODULE_NAME} 7FFFF91D: Got a task`, {
                      xid,
                      task,
                  });
  
                  const sdkTrxIdAdder = Number(config.sdk_trx_id_adder);
                  if (sdkTrxIdAdder) {
                      const newTrxId = Number(task.trx_id) + sdkTrxIdAdder;
  
                      logger.verbose(`${MODULE_NAME} 6E6E200D: Fix trx_id because of config.sdk_trx_id_adder`, {
                          xid,
                          sdkTrxIdAdder,
                          originalTrxId: task.trx_id,
                          newTrxId,
                      });
  
                      task.trx_id = newTrxId;
                  }
  
                  const replyMessage = {
                      type: 'ACK',
                      rid: msg.rid || null,
                      ts: new Date(),
                      error: false,
                  };
  
                  ws.send(JSON.stringify(replyMessage), { compress: true });
  
                  if (!partner || !partner.buy || (typeof partner.buy !== 'function')) {
                      logger.verbose(`${MODULE_NAME} C2136EC3: Missing partner handler`, { xid });
                      return;
                  }
  
                  logger.verbose(`${MODULE_NAME} 3D870327: Forwarding task to partner module`, {
                      xid,
                  });
  
                  partner.buy(task, xid);
              } else {
                  logger.verbose(`${MODULE_NAME} CF88DC54: Unknown message type`, {
                      xid,
                      msgType,
                      msg,
                  });
              }
          });
c08770406   Adhidarma Hadiwinoto   Add push-trx-sdk-...
155
156
157
158
159
160
161
          ws.send(JSON.stringify({
              msgType: 'WELCOMEMSG',
              data: {
                  msg: 'bla bla bla',
                  pushTrxSdkVersion,
              },
          }));
b76b508a9   Adhidarma Hadiwinoto   Ready to test
162
163
164
      });
  
      server.on('upgrade', (req, socket, head) => {
ffab3e8b2   Adhidarma Hadiwinoto   Fix xid pairs
165
          const xid = uniqid();
b76b508a9   Adhidarma Hadiwinoto   Ready to test
166
          const apikey = req.headers && (req.headers.apikey || req.headers.token);
0b6da0fdd   Adhidarma Hadiwinoto   Add clientName on...
167
168
169
170
171
172
          const matchedApikey = isValidApikey(
              apikey,
              config.push_trx_server && config.push_trx_server.apikey,
          );
  
          if (!matchedApikey) {
b76b508a9   Adhidarma Hadiwinoto   Ready to test
173
174
175
              rejectConnection(req, socket);
              return;
          }
b76b508a9   Adhidarma Hadiwinoto   Ready to test
176
177
          wss.handleUpgrade(req, socket, head, (ws) => {
              const client = {
ffab3e8b2   Adhidarma Hadiwinoto   Fix xid pairs
178
                  xid,
b76b508a9   Adhidarma Hadiwinoto   Ready to test
179
                  remoteAddress: req.socket.remoteAddress,
5c5cf2295   Adhidarma Hadiwinoto   Rename clientName...
180
                  apikeyName: matchedApikey.name,
b76b508a9   Adhidarma Hadiwinoto   Ready to test
181
182
                  apikey,
              };
5c5cf2295   Adhidarma Hadiwinoto   Rename clientName...
183
              logger.verbose(`${MODULE_NAME} AB8BC2F4: Incoming HTTP connection`, {
ffab3e8b2   Adhidarma Hadiwinoto   Fix xid pairs
184
                  xid,
5c5cf2295   Adhidarma Hadiwinoto   Rename clientName...
185
186
187
                  headers: req.headers,
                  client,
              });
b76b508a9   Adhidarma Hadiwinoto   Ready to test
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
              wss.emit('connection', ws, req, client);
          });
      });
  
      server.listen(wsListenPort, () => {
          logger.info(`${MODULE_NAME} 367D7DB6: Listening websocket`, { port: wsListenPort });
      });
  
      // const heatbeatPingInterval = setInterval(() => {
      //     wss.clients.forEach((ws) => {
      //         heartbeatPing(ws);
      //     });
      // }, PING_INTERVAL_MS);
  
      wss.on('close', () => {
          logger.verbose(`${MODULE_NAME} E973112F: WebSocketServer closed`);
          // clearInterval(heatbeatPingInterval);
      });
7ca0e7902   Adhidarma Hadiwinoto   Create initServer
206
207
208
209
210
211
212
213
214
215
216
217
218
  };
  
  if (!wsListenPort) {
      logger.info(`${MODULE_NAME} 58ACCE20: Disabling PUSH_TRX_SERVER`, {
          config: {
              push_trx_server: !!config && !!config.push_trx_server && {
                  port: !!config.push_trx_server.port,
                  listen_port: !!config.push_trx_server.listen_port,
              },
          },
      });
  } else {
      initServer();
b76b508a9   Adhidarma Hadiwinoto   Ready to test
219
  }