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This commit is contained in:
Dave Horton
2020-02-18 16:35:09 -05:00
parent b744150b99
commit f5b8853581
6 changed files with 121 additions and 17 deletions
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lib/call-session.js
+25 -4
View File
@@ -1,8 +1,7 @@
const Emitter = require('events');
const {getAppserver, isWSS, makeRtpEngineOpts} = require('./utils');
const {isWSS, makeRtpEngineOpts} = require('./utils');
const {forwardInDialogRequests} = require('drachtio-fn-b2b-sugar');
const {parseUri, SipError} = require('drachtio-srf');
const {getRtpEngine} = require('jambonz-rtpengine-utils')(process.env.JAMBONES_RTPENGINES.split(','));
const debug = require('debug')('jambonz:sbc-inbound');
class CallSession extends Emitter {
@@ -13,13 +12,21 @@ class CallSession extends Emitter {
this.srf = req.srf;
this.logger = logger.child({callId: req.get('Call-ID')});
this.getRtpEngine = req.srf.locals.getRtpEngine;
this.getFeatureServer = req.srf.locals.getFeatureServer;
this.stats = this.srf.locals.stats;
this.activeCallIds = this.srf.locals.activeCallIds;
}
async connect() {
const engine = getRtpEngine(this.logger);
this.activeCallIds.add(this.req.get('Call-ID'));
this.stats.gauge('sbc.sip.calls.count', this.activeCallIds.size);
const engine = this.getRtpEngine(this.logger);
if (!engine) {
this.logger.info('No available rtpengines, rejecting call!');
const tags = ['accepted:no', 'sipStatus:480', `originator:${this.req.locals.originator}`];
this.stats.increment('sbc.terminations', tags);
return this.res.send(480);
}
debug(`got engine: ${JSON.stringify(engine)}`);
@@ -31,6 +38,8 @@ class CallSession extends Emitter {
const featureServer = this.getFeatureServer();
if (!featureServer) {
this.logger.info('No available feature servers, rejecting call!');
const tags = ['accepted:no', 'sipStatus:480', `originator:${this.req.locals.originator}`];
this.stats.increment('sbc.terminations', tags);
return this.res.send(480);
}
this.logger.debug(`using feature server ${featureServer}`);
@@ -79,6 +88,8 @@ class CallSession extends Emitter {
}
}
if (this.req.canceled) throw new Error('call canceled');
debug(`sending INVITE to ${proxy} with ${uri}`);
const {uas, uac} = await this.srf.createB2BUA(this.req, this.res, uri, {
proxy,
@@ -102,16 +113,24 @@ class CallSession extends Emitter {
this.logger.info('call connected');
debug('call connected');
this.emit('connected');
const tags = ['accepted:yes', 'sipStatus:200', `originator:${this.req.locals.originator}`];
this.stats.increment('sbc.terminations', tags);
this._setHandlers({uas, uac});
return;
} catch (err) {
this.rtpEngineResource.destroy();
this.activeCallIds.delete(this.req.get('Call-ID'));
this.stats.gauge('sbc.sip.calls.count', this.activeCallIds.size);
if (err instanceof SipError) {
const tags = ['accepted:no', `sipStatus:${err.status}`, `originator:${this.req.locals.originator}`];
this.stats.increment('sbc.terminations', tags);
this.logger.info(`call failed with ${err.status}`);
return this.emit('failed');
}
this.logger.error(err, 'unexpected error routing inbound call');
else if (err.message !== 'call canceled') {
this.logger.error(err, 'unexpected error routing inbound call');
}
}
}
@@ -123,6 +142,8 @@ class CallSession extends Emitter {
dlg.on('destroy', () => {
this.logger.info('call ended');
this.rtpEngineResource.destroy();
this.activeCallIds.delete(this.req.get('Call-ID'));
this.stats.gauge('sbc.sip.calls.count', this.activeCallIds.size);
});
//re-invite