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;
}
bool ChildProcessSlave::initialiseFromCommandLine (const String& commandLine,
const String& commandLineUniqueID)
{
String prefix (getCommandLinePrefix (commandLineUniqueID));
if (commandLine.trim().startsWith (prefix))
{
String pipeName (commandLine.fromFirstOccurrenceOf (prefix, false, false)
.upToFirstOccurrenceOf (" ", false, false).trim());
if (pipeName.isNotEmpty())
{
connection = new Connection (*this, pipeName);
if (! connection->isConnected())
connection = nullptr;
}
}
return connection != nullptr;
}
bool ChildProcessSlave::initialiseFromCommandLine (const String& commandLine,
const String& commandLineUniqueID,
int timeoutMs)
{
auto prefix = getCommandLinePrefix (commandLineUniqueID);
if (commandLine.trim().startsWith (prefix))
{
auto pipeName = commandLine.fromFirstOccurrenceOf (prefix, false, false)
.upToFirstOccurrenceOf (" ", false, false).trim();
if (pipeName.isNotEmpty())
{
connection.reset (new Connection (*this, pipeName, timeoutMs <= 0 ? defaultTimeoutMs : timeoutMs));
if (! connection->isConnected())
connection.reset();
}
}
return connection != nullptr;
}
