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Implement response processors

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This commit is contained in:
David Majdandžić
2023-04-05 19:27:05 +02:00
parent 9181033fda
commit 694124a6b7
14 changed files with 118 additions and 87 deletions
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74
src/Center/Center.ts
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@@ -2,6 +2,8 @@ import {PDU} from "../CommonObjects";
import Job from "../Job/Job";
import Logger from "../Logger";
import PduProcessor from "../PDUProcessor/PduProcessor";
import BindTranscieverReplyProcessor from "../PDUProcessor/Postprocessor/Center/BindTranscieverReplyProcessor";
import SubmitSmReplyProcessor from "../PDUProcessor/Postprocessor/Center/SubmitSmReplyProcessor";
import ProcessorManager from "../PDUProcessor/ProcessorManager";
import SmppSession from "../SmppSession";
@@ -21,10 +23,9 @@ export default class Center extends SmppSession {
_status: string = this.STATUSES[0];
port: number;
pduProcessors: PduProcessor[] = [];
readonly logger: Logger;
private pendingSessions: any[] = [];
private sessions: any[] = [];
pendingSessions: any[] = [];
sessions: any[] = [];
private nextSession: number = 0;
private server: any;
@@ -38,6 +39,9 @@ export default class Center extends SmppSession {
this._defaultSingleJob = Job.createEmptySingle('deliver_sm');
this._defaultMultipleJob = Job.createEmptyMultiple('deliver_sm');
ProcessorManager.attachProcessor(this, ProcessorManager.getProcessor(SubmitSmReplyProcessor.name));
ProcessorManager.attachProcessor(this, ProcessorManager.getProcessor(BindTranscieverReplyProcessor.name));
this.logger = new Logger(`Center-${id}`);
this.initialize();
@@ -150,6 +154,16 @@ export default class Center extends SmppSession {
};
}
updateStatus(): void {
if (this.sessions.length > 0) {
this.setStatus(2);
} else if (this.pendingSessions.length > 0) {
this.setStatus(1);
} else {
this.setStatus(0);
}
}
private validateSessions(reject: (reason?: any) => void) {
if (this.sessions.length === 0) {
reject(`No clients connected`);
@@ -165,38 +179,11 @@ export default class Center extends SmppSession {
return session;
}
// TODO: Move this to smppSession and call postProcessors
private eventBindTransceiver(session: any, pdu: PDU) {
this.logger.log1(`Center-${this.id} got a bind_transciever with system_id ${pdu.system_id} and password ${pdu.password}`);
session.pause();
if (pdu.system_id === this.username && pdu.password === this.password) {
this.logger.log1(`Center-${this.id} client connection successful`);
if (pdu.response) {
session.send(pdu.response());
}
session.resume();
this.pendingSessions = this.pendingSessions.filter((s) => s !== session);
this.sessions.push(session);
this.updateStatus();
} else {
this.logger.log1(`Center-${this.id} client connection failed, invalid credentials (expected: ${this.username}, ${this.password})`);
if (pdu.response) {
session.send(pdu.response({
command_status: smpp.ESME_RBINDFAIL
}));
}
this.pendingSessions = this.pendingSessions.filter((s) => s !== session);
this.updateStatus();
session.close();
}
}
private eventSessionConnected(session: any): void {
this.logger.log1(`A client connected to center-${this.id}`);
this.pendingSessions.push(session);
session.on('close', this.eventSessionClose.bind(this, session));
session.on('error', this.eventSessionError.bind(this, session));
session.on('bind_transceiver', this.eventBindTransceiver.bind(this, session));
session.on('pdu', this.eventAnyPdu.bind(this, session));
this.updateStatus();
this.eventEmitter.emit(this.EVENT.STATE_CHANGED, this.serialize());
@@ -213,31 +200,4 @@ export default class Center extends SmppSession {
this.pendingSessions = this.pendingSessions.filter((s: any) => s !== session);
this.updateStatus();
}
private updateStatus(): void {
if (this.sessions.length > 0) {
this.setStatus(2);
} else if (this.pendingSessions.length > 0) {
this.setStatus(1);
} else {
this.setStatus(0);
}
}
// TODO: Move this to smppSession and call postProcessors
eventAnyPdu(session: any, pdu: any): Promise<any> {
this.eventEmitter.emit(this.EVENT.ANY_PDU, pdu);
let successful: number = 0;
this.pduProcessors.forEach((pduProcessor: PduProcessor) => {
pduProcessor.processPdu(session, pdu).then((result: any) => {
successful++;
}, (error: any) => {
});
});
if (successful === 0) {
return Promise.resolve("No PDU processor was able to process the PDU");
} else {
return Promise.resolve();
}
}
}