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145 lines
3.9 KiB
145 lines
3.9 KiB
/*
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master.js
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Starts "harness.js" to manage a distributed build
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This script must be very responsive to Exec calls -
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we don't want to hang the UI at all.
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It uses MsgQueue to communicate with Harness. This lets
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us easily avoid waiting for harness when it is communicating
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with remote machines.
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*/
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Include('types.js');
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Include('utils.js');
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Include('MsgQueue.js');
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var g_HarnessQueue;
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var g_fUpdatePublicData = false;
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var g_nHarnessTimeout = 8000;
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var g_nUpdateTimeout = 2000;
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var ERROR = 'error';
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var HARNESS_SYNCS = ['HarnessThreadReady','HarnessThreadFailed'];
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function master_js::OnScriptError(strFile, nLine, nChar, strText, sCode, strSource, strDescription)
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{
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return CommonOnScriptError("master_js", strFile, nLine, nChar, strText, sCode, strSource, strDescription);
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}
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function master_js::ScriptMain()
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{
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var nEvent;
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LogMsg('ScriptMain()');
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CommonVersionCheck(/* $DROPVERSION: */ "V(########) F(!!!!!!!!!!!!!!)" /* $ */);
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PrivateData.fnExecScript = MasterRemoteExec;
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g_HarnessQueue = new MsgQueue('harness');
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ResetSync(HARNESS_SYNCS.toString());
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SpawnScript('harness.js', g_HarnessQueue);
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var nWait = WaitForMultipleSyncs(HARNESS_SYNCS.toString(), false, g_nHarnessTimeout);
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if (nWait == 1)
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{
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SignalThreadSync('MasterThreadReady');
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do
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{
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nEvent = g_HarnessQueue.WaitForMsgAndDispatch('MasterThreadExit', MasterMsgProc, g_nUpdateTimeout);
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if (g_fUpdatePublicData)
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{
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g_fUpdatePublicData = false;
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NotifyUpdatePublicData();
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}
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} while (nEvent != 1);
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LogMsg('ScriptMain() EXIT');
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return;
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}
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else
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LogMsg('master::failed to launch mode script nWait is ' + nWait);
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SignalThreadSync('MasterThreadFailed');
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LogMsg('ScriptMain() EXIT');
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}
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// MTScript.Remote
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function MasterMsgProc(queue, params)
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{
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OLogMsg('MasterMsgProc ! ' + params);
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}
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function MasterRemoteExec(cmd, params)
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{
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LogMsg('MasterRemoteExec :' + cmd + ", params is: " + params);
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var vRet = 'ok';
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var msg;
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// debugger;
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switch (cmd)
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{
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case 'msgtest':
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MsgTest();
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break;
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case 'terminate':
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msg = g_HarnessQueue.SendMessage('harnessexit', 0);
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g_HarnessQueue.WaitForMsg(msg);
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break;
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case 'abort':
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LogMsg("asking harness to abort, then waiting");
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msg = g_HarnessQueue.SendMessage('abort', 0);
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g_HarnessQueue.WaitForMsg(msg);
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break;
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case 'remote':
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LogMsg("Sending 'remote' cmd to harness, then waiting");
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msg = g_HarnessQueue.SendMessage('remote', params);
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g_HarnessQueue.WaitForMsg(msg);
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vRet = msg.vReplyValue;
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break;
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default:
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g_HarnessQueue.SendMessage(cmd, params);
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break;
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}
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LogMsg('master::MasterRemoteExec returns: ' + vRet);
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return vRet;
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}
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function master_js::OnProcessEvent(pid, evt, param)
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{
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LogMsg('OnProcessEvent('+pid+', '+evt+', '+param+') received!');
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}
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function NotifyUpdatePublicData()
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{
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JAssert(false);
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var buildindex = 0;
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EnsureArray(PrivateData.objEnviron, 'Machine');
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var aMachine = PrivateData.objEnviron.Machine;
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var strStatus = 'idle';
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for (i = 0; i < aMachine.length; ++i)
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{
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var mach = PublicData.aBuild[buildindex].hMachine[aMachine[i].Name];
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}
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NotifyScript('UpdatePublicData', 0);
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}
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function MsgTest()
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{
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LogMsg('Message test!');
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JAssert(false);
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var msgs = new Array();
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for(var i = 0; i < 10; ++i)
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{
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LogMsg('Sending message #' + (i + 1));
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msgs[i] = g_HarnessQueue.SendMessage('test', 'Message #' + (i + 1));
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}
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for(i = 10; i > 0; --i)
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{
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LogMsg('Waiting for message #' + i);
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g_HarnessQueue.WaitForMsg(msgs[i - 1]);
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}
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}
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