Implement response processors

src/PDUProcessor/Postprocessor/Center/BindTranscieverReplyProcessor.ts

@@ -0,0 +1,46 @@
+import Center from "../../../Center/Center";
+import SmppSession from "../../../SmppSession";
+import Postprocessor from "../Postprocessor";
+
+const smpp = require("smpp");
+
+export default class BindTranscieverReplyProcessor extends Postprocessor {
+	constructor(type: string) {
+		super(type);
+	}
+
+	processPdu(session: any, pdu: any, entity?: Center | undefined): Promise<any> {
+		return new Promise((resolve, reject) => {
+			if (!!pdu.command && pdu.command === 'bind_transceiver') {
+				if (!entity) {
+					reject();
+				}
+
+				this.logger.log1(`Center-${entity?.id} got a bind_transciever with system_id ${pdu.system_id} and password ${pdu.password}`);
+				session.pause();
+				if (pdu.system_id === entity?.username && pdu.password === entity?.password) {
+					this.logger.log1(`Center-${entity?.id} client connection successful`);
+					if (pdu.response) {
+						session.send(pdu.response());
+					}
+					session.resume();
+					// @ts-ignore
+					entity?.pendingSessions = entity?.pendingSessions.filter((s) => s !== session);
+					entity?.sessions.push(session);
+					entity?.updateStatus();
+				} else {
+					this.logger.log1(`Center-${entity?.id} client connection failed, invalid credentials (expected: ${entity?.username}, ${entity?.password})`);
+					if (pdu.response) {
+						session.send(pdu.response({
+							command_status: smpp.ESME_RBINDFAIL
+						}));
+					}
+					// @ts-ignore
+					entity?.pendingSessions = entity?.pendingSessions.filter((s) => s !== session);
+					entity?.updateStatus();
+					session.close();
+				}
+			}
+		});
+	}
+}