/** Starts a peer that uses an already connected socket. */
public NativeAgentPeer(
TODConfig aConfig,
Socket aSocket,
String aStructureDatabaseId,
IInstrumenter aInstrumenter,
int aHostId) {
super(aSocket, false);
assert aConfig != null;
itsConfig = aConfig;
itsStructureDatabaseId = aStructureDatabaseId;
itsInstrumenter = aInstrumenter;
itsHostId = aHostId;
String theStoreClassesDir = itsConfig.get(TODConfig.INSTRUMENTER_CLASSES_DIR);
itsStoreClassesDir =
theStoreClassesDir != null && theStoreClassesDir.length() > 0
? new File(theStoreClassesDir)
: null;
// Check that the cache path we pass to the agent exists.
File theFile = new File(itsConfig.get(TODConfig.AGENT_CACHE_PATH));
theFile.mkdirs();
start();
}
/**
* Sends configuration data to the agent. This method is called once at the beginning of the
* connection.
*/
private void processConfig(DataInputStream aInputStream, DataOutputStream aOutputStream)
throws IOException {
DataInputStream theInStream = new DataInputStream(aInputStream);
DataOutputStream theOutStream = new DataOutputStream(aOutputStream);
// Read host name
itsHostName = theInStream.readUTF();
System.out.println("[NativeAgentPeer] Received host name: '" + itsHostName + "'");
itsUseJava14 = theInStream.readByte() != 0;
// Send host id
theOutStream.writeInt(itsHostId);
// Send remaining config
boolean theSkipCoreClasses = itsConfig.get(TODConfig.AGENT_SKIP_CORE_CLASSE);
theOutStream.writeByte(SET_SKIP_CORE_CLASSES);
theOutStream.writeByte(theSkipCoreClasses ? 1 : 0);
boolean theCaptureExceptions = itsConfig.get(TODConfig.AGENT_CAPTURE_EXCEPTIONS);
theOutStream.writeByte(SET_CAPTURE_EXCEPTIONS);
theOutStream.writeByte(theCaptureExceptions ? 1 : 0);
int theHostBits = AgentConfig.HOST_BITS;
theOutStream.writeByte(SET_HOST_BITS);
theOutStream.writeByte(theHostBits);
String theWorkingSet = itsConfig.get(TODConfig.SCOPE_TRACE_FILTER);
theOutStream.writeByte(SET_WORKINGSET);
theOutStream.writeUTF(theWorkingSet);
theOutStream.writeByte(SET_STRUCTDB_ID);
theOutStream.writeUTF(itsStructureDatabaseId);
// Special cases working set
StringBuilder theSCWS = new StringBuilder("[");
for (String theName : itsInstrumenter.getSpecialCaseClasses()) {
theSCWS.append(" +");
theSCWS.append(theName);
}
theSCWS.append(']');
theOutStream.writeByte(SET_SPECIALCASE_WORKINGSET);
theOutStream.writeUTF(theSCWS.toString());
// Finish
theOutStream.writeByte(CONFIG_DONE);
theOutStream.flush();
}