bool CWRequest::IsServerRunning(string sSessionID, int iTimeoutMS, string* pErrorMessage)
{
if(sSessionID == "")
{
if(pErrorMessage != NULL) *pErrorMessage = "Session ID is empty.";
return false;
}
// read server pid
string instance_filename = TempDir() + sSessionID + ".server";
int fd = -1;
int file_size = 0;
if(!FileOpenExistingAndLock(instance_filename, iTimeoutMS, &fd, &file_size, pErrorMessage))
return false;
int server_pid = 0;
if(!FileReadInt(fd, &server_pid, pErrorMessage))
{
FileUnlockAndClose(fd, NULL);
return false;
}
FileUnlockAndClose(fd, NULL);
// check if server is running
if(!IsProcessRunning(server_pid))
{
if(pErrorMessage != NULL) *pErrorMessage = "Server is not running.";
// if server is not running, delete server pid file and server queue
FileDelete(instance_filename, NULL);
string queue_filename = TempDir() + sSessionID + ".queue";
if(FileExists(queue_filename))
FileDelete(queue_filename, NULL);
return false;
}
return true;
}
/* *** SCRIPT SYMBOL: [File] File::ReadInt^0 *** */
static int File_ReadInt(sc_File *fil) {
return FileReadInt(fil->handle);
}
