bool ChildProcessMaster::launchSlaveProcess (const File& executable, const String& commandLineUniqueID, int timeoutMs)
{
connection = nullptr;
jassert (childProcess.kill());
const String pipeName ("p" + String::toHexString (Random().nextInt64()));
StringArray args;
args.add (executable.getFullPathName());
args.add (getCommandLinePrefix (commandLineUniqueID) + pipeName);
if (childProcess.start (args))
{
connection = new Connection (*this, pipeName, timeoutMs <= 0 ? defaultTimeoutMs : timeoutMs);
if (connection->isConnected())
{
sendMessageToSlave (MemoryBlock (startMessage, specialMessageSize));
return true;
}
connection = nullptr;
}
return false;
}
bool ChildProcessMaster::launchSlaveProcess (const File& executable, const String& commandLineUniqueID,
int timeoutMs, int streamFlags)
{
killSlaveProcess();
auto pipeName = "p" + String::toHexString (Random().nextInt64());
StringArray args;
args.add (executable.getFullPathName());
args.add (getCommandLinePrefix (commandLineUniqueID) + pipeName);
childProcess.reset (new ChildProcess());
if (childProcess->start (args, streamFlags))
{
connection.reset (new Connection (*this, pipeName, timeoutMs <= 0 ? defaultTimeoutMs : timeoutMs));
if (connection->isConnected())
{
sendMessageToSlave ({ startMessage, specialMessageSize });
return true;
}
connection.reset();
}
return false;
}
ChildProcessMaster::~ChildProcessMaster()
{
if (connection != nullptr)
{
sendMessageToSlave (MemoryBlock (killMessage, specialMessageSize));
connection->disconnect();
connection = nullptr;
}
}
void sendPingMessageToSlave()
{
ValueTree message ("MESSAGE");
message.setProperty ("count", count++, nullptr);
demo.logMessage ("Sending: " + valueTreeToString (message));
sendMessageToSlave (valueTreeToMemoryBlock (message));
}
void ChildProcessMaster::killSlaveProcess()
{
if (connection != nullptr)
{
sendMessageToSlave ({ killMessage, specialMessageSize });
connection->disconnect();
connection.reset();
}
childProcess.reset();
}
