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Handle MQ connection error events #5123

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merged 1 commit into from
Nov 8, 2023
Merged

Handle MQ connection error events #5123

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18 changes: 18 additions & 0 deletions packages/agents/router/src/errors/execute.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -166,3 +166,21 @@ export class SequencerPostFailed extends ExecuteError {
super("Sequencer POST request failed", context, SequencerPostFailed.name, undefined, true);
}
}

export class MQConnectionClosed extends ExecuteError {
constructor(context: any = {}) {
super("MQ connection was closed", context, MQConnectionClosed.name, undefined, true);
}
}

export class MQConnectionUnreachable extends ExecuteError {
constructor(context: any = {}) {
super("MQ is unreachable ", context, MQConnectionUnreachable.name, undefined, true);
}
}

export class MQConnectionFailed extends ExecuteError {
constructor(context: any = {}) {
super("MQ connection had a failure", context, MQConnectionFailed.name, undefined, true);
}
}
16 changes: 16 additions & 0 deletions packages/agents/router/src/setup.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ import { SubgraphReader } from "@connext/nxtp-adapters-subgraph";
import { ChainData, createMethodContext, Logger, RequestContext } from "@connext/nxtp-utils";
import rabbit from "foo-foo-mq";

import { MQConnectionClosed, MQConnectionFailed, MQConnectionUnreachable } from "./errors";

export const XCALL_QUEUE = "xcalls";
export const MQ_EXCHANGE = "router";
export const XCALL_MESSAGE_TYPE = "xcall";
Expand Down Expand Up @@ -44,9 +46,23 @@ export const setupMq = async (
exchanges: [{ name: MQ_EXCHANGE, type: "direct" }],
bindings: [{ exchange: MQ_EXCHANGE, target: XCALL_QUEUE, keys: [XCALL_QUEUE] }],
});

await rabbit.on("closed", function () {
throw new MQConnectionClosed();
});

await rabbit.on("failed", function () {
throw new MQConnectionFailed();
});

await rabbit.on("unreachable", function () {
throw new MQConnectionUnreachable();
});

logger.info("Message queue setup is done!", requestContext, methodContext, {
uri,
});

return rabbit;
};

Expand Down