antosdk-apps/libantosdk/core/backend.worker.js

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class BackendJob extends AntOSDKBaseJob {
constructor(data)
{
super(data);
}
execute()
{
switch (this.job.cmd) {
case 'cmd-exec':
/**
* Execute a linux command with the
* help of a server side lua API
* script
*/
this.exec();
break;
case 'lua-exec':
this.xlua(this.job.data.path, this.job.data.params);
break;
default:
const err_msg = `Unkown job ${this.job.cmd}`;
this.log_error(err_msg);
return this.error(err_msg);
}
}
exec()
{
const path = "pkg://libantosdk/core/lua/api.lua".abspath(this.job.root);
if(!this.job.data.pwd)
{
this.job.data.pwd = this.job.root;
}
const params = {
action: "exec",
args: this.job.data
};
this.xlua(path, params);
}
xlua(path, params)
{
const url = API.REST.replace("http","ws") + "/system/apigateway?ws=1";
try{
const socket = new WebSocket(url);
socket.onerror = (e)=> {
this.log_error(e.toString());
this.error(e);
socket.close();
};
socket.onclose = (e) => {
this.log_info("Connection closed");
this.result("Done");
};
socket.onopen = (e) => {
// send the command
const cmd = {
path: path,
parameters: params
};
socket.send(JSON.stringify(cmd));
};
socket.onmessage = (e) => {
const json = JSON.parse(e.data);
if(json.error)
{
this.log_error(json.error);
}
else
{
this.log_print(json.result);
}
}
}
catch(error)
{
this.log_error(error.toString());
return this.error(error);
}
}
}
API.jobhandle["cmd-exec"] = BackendJob;
API.jobhandle["lua-exec"] = BackendJob;