grix-connector/dist/core/transport/json-rpc.js

Connect local AI coding agents (Claude, Codex, Gemini, Qwen, DeepSeek, Cursor, OpenCode, Pi, OpenHuman, Reasonix) to the Grix scheduling platform. Also serves as an OpenClaw plugin for Grix channel transport.

import{EventEmitter as w}from"events";import{log as h}from"../log/index.js";class _ extends w{nextId=1;pending=new Map;writeLock=Promise.resolve();closed=!1;_readable;_writable;_onNotify;_onRequest;_bridgeLog;constructor(r,e,t,s,o){super(),this._readable=r,this._writable=e,this._onNotify=t,this._onRequest=s,this._bridgeLog=o??null,this.startReadLoop()}setHandlers(r,e){r&&(this._onNotify=r),e&&(this._onRequest=e)}async call(r,e,t){if(this.closed)throw new Error("transport closed");const s=this.nextId++,o=String(s),a=await new Promise((n,c)=>{if(this.pending.set(o,{resolve:n}),t){const i=()=>{this.pending.delete(o),c(new Error(`aborted: ${t.reason??"request cancelled"}`))};if(t.aborted){i();return}t.addEventListener("abort",i,{once:!0});const d=n,f=m=>{t.removeEventListener("abort",i),d(m)};this.pending.set(o,{resolve:f})}this.write({jsonrpc:"2.0",id:s,method:r,params:e??null}).catch(i=>{this.pending.delete(o),c(i)})});if(a.error){const n=new Error(a.error.message);throw n.code=a.error.code,n.data=a.error.data,n}return a.result}async notify(r,e){if(this.closed)throw new Error("transport closed");await this.write({jsonrpc:"2.0",method:r,params:e??null})}async respondSuccess(r,e){await this.write({jsonrpc:"2.0",id:r,result:e})}async respondError(r,e,t){await this.write({jsonrpc:"2.0",id:r,error:{code:e,message:t}})}close(){if(!this.closed){this.closed=!0,this._bridgeLog?.logLifecycle("transport closed");for(const[r,{resolve:e}]of this.pending)e({error:{code:-32e3,message:"transport closed"}});this.pending.clear(),this._readable.destroy(),this.emit("close")}}startReadLoop(){let r="";this._readable.setEncoding("utf8"),this._readable.on("data",e=>{r+=e;const t=r.split(`
`);r=t.pop()??"";for(const s of t){const o=s.trim();o.length!==0&&this.dispatch(o)}}),this._readable.on("end",()=>{r.trim()&&this.dispatch(r.trim()),this.close()}),this._readable.on("error",e=>{this.emitTransportError(e),this.close()})}dispatch(r){let e;try{e=JSON.parse(r)}catch{return}if(this._bridgeLog?.logInbound(u(e),e.id??null,p(e)),e.id!=null&&!e.method){this.completePending(e.id,e.result,e.error);return}if(e.method&&(e.id==null||e.id===null)){this._onNotify?.(e.method,e.params);return}e.method&&e.id!=null&&this._onRequest?.(e.method,e.id,e.params)}completePending(r,e,t){const s=String(r),o=this.pending.get(s);o&&(this.pending.delete(s),o.resolve({result:e,error:t}))}async write(r){if(this.closed)throw new Error("transport closed");this._bridgeLog?.logOutbound(u(r),r?.id??null,p(r));const e=this.writeLock.then(()=>new Promise((t,s)=>{const o=JSON.stringify(r)+`
`;if(this._writable.write(o,"utf-8"))t();else{const n=()=>{i(),t()},c=d=>{i(),s(d)},i=()=>{this._writable.removeListener("drain",n),this._writable.removeListener("error",c)};this._writable.once("drain",n),this._writable.once("error",c)}}));return this.writeLock=e.catch(t=>{h.error("json-rpc",`Write failed: ${t instanceof Error?t.message:t}`)}),e}emitTransportError(r){if(this.listenerCount("error")===0){h.warn("json-rpc",`Transport error (no listeners): ${r.message}`);return}this.emit("error",r)}}function u(l){const r=l;return r&&typeof r.method=="string"?r.method:r&&r.error!=null?"error":r&&"result"in r?"result":"unknown"}function p(l){const r=l;if(!r)return"";if(r.error!=null){const t=r.error;return`error code=${t.code??""} msg=${String(t.message??"").slice(0,120)}`}if("result"in r)return"result";const e=r.params;if(e&&typeof e=="object"){const t=Object.keys(e);return t.length?`params={${t.join(",")}}`:"params={}"}return""}export{_ as JsonRpcTransport};