int main(int argc, char * argv[])
{
extern char* optarg;
//First thing to do is to read command-line arguments.
int ch;
char* theConfigFilePath = "./easydarwin.cfg";
char* theXMLFilePath = "./easydarwin.xml";
Bool16 notAService = false;
Bool16 theXMLPrefsExist = true;
Bool16 dontFork = false;
#if _DEBUG
char* compileType = "Compile_Flags/_DEBUG; ";
#else
char* compileType = "";
#endif
while ((ch = getopt(argc,argv, "vdxp:o:c:irsS:I")) != EOF) // opt: means requires option
{
switch(ch)
{
case 'v':
qtss_printf("%s/%s ( Build/%s; Platform/%s; %s%s) Built on: %s\n",QTSServerInterface::GetServerName().Ptr,
QTSServerInterface::GetServerVersion().Ptr,
QTSServerInterface::GetServerBuild().Ptr,
QTSServerInterface::GetServerPlatform().Ptr,
compileType,
QTSServerInterface::GetServerComment().Ptr,
QTSServerInterface::GetServerBuildDate().Ptr);
qtss_printf("usage: %s [ -d | -p port | -v | -c /myconfigpath.xml | -o /myconfigpath.conf | -x | -S numseconds | -I | -h ]\n", QTSServerInterface::GetServerName().Ptr);
qtss_printf("-d: Don't run as a Win32 Service\n");
qtss_printf("-p XXX: Specify the default RTSP listening port of the server\n");
qtss_printf("-c c:\\myconfigpath.xml: Specify a config file path\n");
qtss_printf("-o c:\\myconfigpath.conf: Specify a DSS 1.x / 2.x config file path\n");
qtss_printf("-x: Force create new .xml config file from 1.x / 2.x config\n");
qtss_printf("-i: Install the Darwin Streaming Server service\n");
qtss_printf("-r: Remove the Darwin Streaming Server service\n");
qtss_printf("-s: Start the Darwin Streaming Server service\n");
qtss_printf("-S n: Display server stats in the console every \"n\" seconds\n");
qtss_printf("-I: Start the server in the idle state\n");
::exit(0);
case 'd':
notAService = true;
break;
case 'p':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
sPort = ::atoi(optarg);
break;
case 'c':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
theXMLFilePath = optarg;
break;
case 'S':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
sStatsUpdateInterval = ::atoi(optarg);
break;
case 'o':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
theConfigFilePath = optarg;
break;
case 'x':
theXMLPrefsExist = false; // Force us to generate a new XML prefs file
break;
case 'i':
qtss_printf("Installing the Darwin Streaming Server service...\n");
::InstallService("Darwin Streaming Server");
qtss_printf("Starting the Darwin Streaming Server service...\n");
::RunAsService("Darwin Streaming Server");
::exit(0);
break;
case 'r':
qtss_printf("Removing the Darwin Streaming Server service...\n");
::RemoveService("Darwin Streaming Server");
::exit(0);
case 's':
qtss_printf("Starting the Darwin Streaming Server service...\n");
::RunAsService("Darwin Streaming Server");
::exit(0);
case 'I':
sInitialState = qtssIdleState;
break;
default:
break;
}
}
//
// Check expiration date
QTSSExpirationDate::PrintExpirationDate();
if (QTSSExpirationDate::IsSoftwareExpired())
{
qtss_printf("Streaming Server has expired\n");
::exit(0);
}
//
// Create an XML prefs parser object using the specified path
sXMLParser = new XMLPrefsParser(theXMLFilePath);
//
// Check to see if the XML file exists as a directory. If it does,
// just bail because we do not want to overwrite a directory
if (sXMLParser->DoesFileExistAsDirectory())
{
qtss_printf("Directory located at location where streaming server prefs file should be.\n");
::exit(0);
}
if (!sXMLParser->CanWriteFile())
{
qtss_printf("Cannot write to the streaming server prefs file.\n");
::exit(0);
}
// If we aren't forced to create a new XML prefs file, whether
// we do or not depends solely on whether the XML prefs file exists currently.
if (theXMLPrefsExist)
theXMLPrefsExist = sXMLParser->DoesFileExist();
if (!theXMLPrefsExist)
{
//
//Construct a Prefs Source object to get server preferences
int prefsErr = sPrefsSource.InitFromConfigFile(theConfigFilePath);
if ( prefsErr )
qtss_printf("Could not load configuration file at %s.\n Generating a new prefs file at %s\n", theConfigFilePath, theXMLFilePath);
//
// Generate a brand-new XML prefs file out of the old prefs
int xmlGenerateErr = GenerateAllXMLPrefs(&sPrefsSource, sXMLParser);
if (xmlGenerateErr)
{
qtss_printf("Fatal Error: Could not create new prefs file at: %s. (%d)\n", theConfigFilePath, OSThread::GetErrno());
::exit(-1);
}
}
//
// Parse the configs from the XML file
int xmlParseErr = sXMLParser->Parse();
if (xmlParseErr)
{
qtss_printf("Fatal Error: Could not load configuration file at %s. (%d)\n", theXMLFilePath, OSThread::GetErrno());
::exit(-1);
}
//
// Construct a messages source object
sMessagesSource.InitFromConfigFile("qtssmessages.txt");
//
// Start Win32 DLLs
WORD wsVersion = MAKEWORD(1, 1);
WSADATA wsData;
(void)::WSAStartup(wsVersion, &wsData);
if (notAService)
{
// If we're running off the command-line, don't do the service initiation crap.
::StartServer(sXMLParser, &sMessagesSource, sPort, sStatsUpdateInterval, sInitialState, false,0, kRunServerDebug_Off); // No stats update interval for now
::RunServer();
::exit(0);
}
SERVICE_TABLE_ENTRY dispatchTable[] =
{
{ "", ServiceMain },
{ NULL, NULL }
};
//
// In case someone runs the server improperly, print out a friendly message.
qtss_printf("Darwin Streaming Server must either be started from the DOS Console\n");
qtss_printf("using the -d command-line option, or using the Service Control Manager\n\n");
qtss_printf("Waiting for the Service Control Manager to start Darwin Streaming Server...\n");
BOOL theErr = ::StartServiceCtrlDispatcher(dispatchTable);
if (!theErr)
{
qtss_printf("Fatal Error: Couldn't start Service\n");
::exit(-1);
}
return (0);
}
int main(int argc, char * argv[])
{
extern char* optarg;
// on write, don't send signal for SIGPIPE, just set errno to EPIPE
// and return -1
//signal is a deprecated and potentially dangerous function
//(void) ::signal(SIGPIPE, SIG_IGN);
struct sigaction act;
#if defined(sun) || defined(i386) || defined(__x86_64__) || defined (__MacOSX__) || defined(__powerpc__) || defined (__osf__) || defined (__sgi_cc__) || defined (__hpux__) || defined (__linux__)
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = (void(*)(int))&sigcatcher;
#elif defined(__sgi__)
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = (void(*)(...))&sigcatcher;
#else
act.sa_mask = 0;
act.sa_flags = 0;
act.sa_handler = (void(*)(...))&sigcatcher;
#endif
(void)::sigaction(SIGPIPE, &act, NULL);
(void)::sigaction(SIGHUP, &act, NULL);
(void)::sigaction(SIGINT, &act, NULL);
(void)::sigaction(SIGTERM, &act, NULL);
(void)::sigaction(SIGQUIT, &act, NULL);
(void)::sigaction(SIGALRM, &act, NULL);
#if __solaris__ || __linux__ || __hpux__
//grow our pool of file descriptors to the max!
struct rlimit rl;
// set it to the absolute maximum that the operating system allows - have to be superuser to do this
rl.rlim_cur = RLIM_INFINITY;
rl.rlim_max = RLIM_INFINITY;
setrlimit (RLIMIT_NOFILE, &rl);
#endif
#if __MacOSX__
struct rlimit rl;
getrlimit(RLIMIT_NOFILE, &rl); //get the default values
//printf("current open file limit =%"_U32BITARG_"\n", (UInt32) rl.rlim_cur); //leopard returns 256
//printf("current open file max =%"_U32BITARG_"\n", (UInt32) rl.rlim_max);//leopard returns infinity (-1)
rl. rlim_max = (rlim_t) RLIM_INFINITY -1; //use a big number to find out the real max but do not use RLIM_INFINITY that is not allowed. see man page
setrlimit (RLIMIT_NOFILE, &rl); //resets the max value stored by limits to the boot config values.
getrlimit(RLIMIT_NOFILE, &rl); //now get the real max value
//printf("current open file limit =%"_U32BITARG_"\n", (UInt32) rl.rlim_cur);
//printf("current open file max =%"_U32BITARG_"\n", (UInt32) rl.rlim_max);
rl.rlim_cur = (rlim_t) ( (float) rl.rlim_max * 0.9); //use 90% of the max set in /etc/rc.server and /etc/sysctl.conf.default
setrlimit (RLIMIT_NOFILE, &rl); //finally set the current limit
#endif
#if 0 // testing
getrlimit(RLIMIT_NOFILE, &rl);
printf("current open file limit =%"_U32BITARG_"\n", (UInt32) rl.rlim_cur);
printf("current open file max =%"_U32BITARG_"\n", (UInt32) rl.rlim_max);
#endif
#if __MacOSX__ || __FreeBSD__
//
// These 2 OSes have problems with large socket buffer sizes. Make sure they allow even
// ridiculously large ones, because we may need them to receive a large volume of ACK packets
// from the client
//
// We raise the limit imposed by the kernel by calling the sysctl system call.
int mib[CTL_MAXNAME];
mib[0] = CTL_KERN;
mib[1] = KERN_IPC;
mib[2] = KIPC_MAXSOCKBUF;
mib[3] = 0;
int maxSocketBufferSizeVal = 2000 * 1024; // Allow up to 2 MB. That is WAY more than we should need
(void) ::sysctl(mib, 3, 0, 0, &maxSocketBufferSizeVal, sizeof(maxSocketBufferSizeVal));
//int sysctlErr = ::sysctl(mib, 3, 0, 0, &maxSocketBufferSizeVal, sizeof(maxSocketBufferSizeVal));
//qtss_printf("sysctl maxSocketBufferSizeVal=%d err=%d\n",maxSocketBufferSizeVal, sysctlErr);
#endif
//First thing to do is to read command-line arguments.
int ch;
int thePort = 0; //port can be set on the command line
int statsUpdateInterval = 0;
QTSS_ServerState theInitialState = qtssRunningState;
Bool16 dontFork = false;
Bool16 theXMLPrefsExist = true;
UInt32 debugLevel = 0;
UInt32 debugOptions = kRunServerDebug_Off;
static char* sDefaultConfigFilePath = DEFAULTPATHS_ETC_DIR_OLD "easydarwin.conf";
static char* sDefaultXMLFilePath = DEFAULTPATHS_ETC_DIR "easydarwin.xml";
char* theConfigFilePath = sDefaultConfigFilePath;
char* theXMLFilePath = sDefaultXMLFilePath;
while ((ch = getopt(argc,argv, "vdfxp:DZ:c:o:S:Ih")) != EOF) // opt: means requires option arg
{
switch(ch)
{
case 'v':
usage();
::exit(0);
case 'd':
dontFork = RunInForeground();
break;
case 'D':
dontFork = RunInForeground();
debugOptions |= kRunServerDebugDisplay_On;
if (debugLevel == 0)
debugLevel = 1;
if (statsUpdateInterval == 0)
statsUpdateInterval = 3;
break;
case 'Z':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
debugLevel = (UInt32) ::atoi(optarg);
break;
case 'f':
theXMLFilePath = DEFAULTPATHS_ETC_DIR "easydarwin.xml";
break;
case 'p':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
thePort = ::atoi(optarg);
break;
case 'S':
dontFork = RunInForeground();
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
statsUpdateInterval = ::atoi(optarg);
break;
case 'c':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
theXMLFilePath = optarg;
break;
case 'o':
Assert(optarg != NULL);// this means we didn't declare getopt options correctly or there is a bug in getopt.
theConfigFilePath = optarg;
break;
case 'x':
theXMLPrefsExist = false; // Force us to generate a new XML prefs file
theInitialState = qtssShuttingDownState;
dontFork = true;
break;
case 'I':
theInitialState = qtssIdleState;
break;
case 'h':
usage();
::exit(0);
default:
break;
}
}
// Check port
if (thePort < 0 || thePort > 65535)
{
qtss_printf("Invalid port value = %d max value = 65535\n",thePort);
exit (-1);
}
// Check expiration date
QTSSExpirationDate::PrintExpirationDate();
if (QTSSExpirationDate::IsSoftwareExpired())
{
qtss_printf("Streaming Server has expired\n");
::exit(0);
}
XMLPrefsParser theXMLParser(theXMLFilePath);
//
// Check to see if the XML file exists as a directory. If it does,
// just bail because we do not want to overwrite a directory
if (theXMLParser.DoesFileExistAsDirectory())
{
qtss_printf("Directory located at location where streaming server prefs file should be.\n");
exit(-1);
}
//
// Check to see if we can write to the file
if (!theXMLParser.CanWriteFile())
{
qtss_printf("Cannot write to the streaming server prefs file.\n");
exit(-1);
}
// If we aren't forced to create a new XML prefs file, whether
// we do or not depends solely on whether the XML prefs file exists currently.
if (theXMLPrefsExist)
theXMLPrefsExist = theXMLParser.DoesFileExist();
if (!theXMLPrefsExist)
{
//
// The XML prefs file doesn't exist, so let's create an old-style
// prefs source in order to generate a fresh XML prefs file.
if (theConfigFilePath != NULL)
{
FilePrefsSource* filePrefsSource = new FilePrefsSource(true); // Allow dups
if ( filePrefsSource->InitFromConfigFile(theConfigFilePath) )
{
qtss_printf("Generating a new prefs file at %s\n", theXMLFilePath);
}
if (GenerateAllXMLPrefs(filePrefsSource, &theXMLParser))
{
qtss_printf("Fatal Error: Could not create new prefs file at: %s. (%d)\n", theXMLFilePath, OSThread::GetErrno());
::exit(-1);
}
}
}
//
// Parse the configs from the XML file
int xmlParseErr = theXMLParser.Parse();
if (xmlParseErr)
{
qtss_printf("Fatal Error: Could not load configuration file at %s. (%d)\n", theXMLFilePath, OSThread::GetErrno());
::exit(-1);
}
//Unless the command line option is set, fork & daemonize the process at this point
if (!dontFork)
{
#ifdef __sgi__
// for some reason, this method doesn't work right on IRIX 6.4 unless the first arg
// is _DF_NOFORK. if the first arg is 0 (as it should be) the result is a server
// that is essentially paralized and doesn't respond to much at all. So for now,
// leave the first arg as _DF_NOFORK
// if (_daemonize(_DF_NOFORK, STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO) != 0)
if (_daemonize(0, STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO) != 0)
#else
if (daemon(0,0) != 0)
#endif
{
#if DEBUG
qtss_printf("Failed to daemonize process. Error = %d\n", OSThread::GetErrno());
#endif
exit(-1);
}
}
//Construct a Prefs Source object to get server text messages
FilePrefsSource theMessagesSource;
theMessagesSource.InitFromConfigFile("qtssmessages.txt");
int status = 0;
int pid = 0;
pid_t processID = 0;
if ( !dontFork) // if (fork)
{
//loop until the server exits normally. If the server doesn't exit
//normally, then restart it.
// normal exit means the following
// the child quit
do // fork at least once but stop on the status conditions returned by wait or if autoStart pref is false
{
processID = fork();
Assert(processID >= 0);
if (processID > 0) // this is the parent and we have a child
{
sChildPID = processID;
status = 0;
while (status == 0) //loop on wait until status is != 0;
{
pid =::wait(&status);
SInt8 exitStatus = (SInt8) WEXITSTATUS(status);
//qtss_printf("Child Process %d wait exited with pid=%d status=%d exit status=%d\n", processID, pid, status, exitStatus);
if (WIFEXITED(status) && pid > 0 && status != 0) // child exited with status -2 restart or -1 don't restart
{
//qtss_printf("child exited with status=%d\n", exitStatus);
if ( exitStatus == -1) // child couldn't run don't try again
{
qtss_printf("child exited with -1 fatal error so parent is exiting too.\n");
exit (EXIT_FAILURE);
}
break; // restart the child
}
if (WIFSIGNALED(status)) // child exited on an unhandled signal (maybe a bus error or seg fault)
{
//qtss_printf("child was signalled\n");
break; // restart the child
}
if (pid == -1 && status == 0) // parent woken up by a handled signal
{
//qtss_printf("handled signal continue waiting\n");
continue;
}
if (pid > 0 && status == 0)
{
//qtss_printf("child exited cleanly so parent is exiting\n");
exit(EXIT_SUCCESS);
}
//qtss_printf("child died for unknown reasons parent is exiting\n");
exit (EXIT_FAILURE);
}
}
else if (processID == 0) // must be the child
break;
else
exit(EXIT_FAILURE);
//eek. If you auto-restart too fast, you might start the new one before the OS has
//cleaned up from the old one, resulting in startup errors when you create the new
//one. Waiting for a second seems to work
sleep(1);
} while (RestartServer(theXMLFilePath)); // fork again based on pref if server dies
if (processID != 0) //the parent is quitting
exit(EXIT_SUCCESS);
}
sChildPID = 0;
//we have to do this again for the child process, because sigaction states
//do not span multiple processes.
(void)::sigaction(SIGPIPE, &act, NULL);
(void)::sigaction(SIGHUP, &act, NULL);
(void)::sigaction(SIGINT, &act, NULL);
(void)::sigaction(SIGTERM, &act, NULL);
(void)::sigaction(SIGQUIT, &act, NULL);
#ifdef __hpux__
// Set Priority Type to Real Time, timeslice = 100 milliseconds. Change the timeslice upwards as needed. This keeps the server priority above the playlist broadcaster which is a time-share scheduling type.
char commandStr[64];
qtss_sprintf(commandStr, "/usr/bin/rtprio -t -%d", (int) getpid());
#if DEBUG
qtss_printf("setting priority to Real Time: %s\n", commandStr);
#endif
(void) ::system(commandStr);
#endif
#ifdef __solaris__
// Set Priority Type to Real Time, timeslice = 100 milliseconds. Change the timeslice upwards as needed. This keeps the server priority above the playlist broadcaster which is a time-share scheduling type.
char commandStr[64];
qtss_sprintf(commandStr, "priocntl -s -c RT -t 10 -i pid %d", (int) getpid());
(void) ::system(commandStr);
#endif
#ifdef __MacOSX__
(void) ::umask(S_IWGRP|S_IWOTH); // make sure files are opened with default of owner -rw-r-r-
#endif
//This function starts, runs, and shuts down the server
if (::StartServer(&theXMLParser, &theMessagesSource, thePort, statsUpdateInterval, theInitialState, dontFork, debugLevel, debugOptions) != qtssFatalErrorState)
{ ::RunServer();
CleanPid(false);
exit (EXIT_SUCCESS);
}
else
exit(-1); //Cant start server don't try again
}
