#include <windows.h>
#endif
+#ifdef __MINGW32__
+#include <time.h>
+#include <unistd.h>
+#elif defined(_MSC_VER)
+#include <io.h>
+#endif
#include <stdlib.h> // atoi() atof() abs() system()
+#include <signal.h> // signal()
#include <simgear/compiler.h>
#include <iostream>
+#include <fstream>
#include <string>
#include <deque>
#include <map>
# endif
#endif
-using std::string;
-using std::cout;
-using std::endl;
+using namespace std;
const char* source_base = NULL;
const char* svn_base =
// display usage
static void usage( const string& prog ) {
- cout << "Usage: " << endl
- << prog << " -p <port> "
- << "-R [ -s <rsync_source> ] -d <dest>" << endl
- << prog << " -p <port> "
- << "-S [ -s <svn_source> ] -d <dest>" << endl;
+ cout <<
+"Usage: terrasync [options]\n"
+"Options: \n"
+" -d <dest> destination directory [required]\n"
+" -R transport using pipe to rsync\n"
+" -S transport using built-in svn\n"
+" -p <port> listen on UDP port [default: 5501]\n"
+" -s <source> source base [default: '']\n"
+" -pid <pidfile> write PID to file\n"
+" -v be more verbose\n"
+;
+
#ifdef HAVE_SVN_CLIENT_H
cout << " (defaults to the built in subversion)" << endl;
#else
cout << " (defaults to rsync, using external commands)" << endl;
#endif
+
+ cout << "\nExample:\n"
+"pid=$(cat $pidfile 2>/dev/null)\n"
+"if test -n \"$pid\" && kill -0 $pid ; then\n"
+" echo \"terrasync already running: $pid\"\n"
+"else\n"
+" nice /games/sport/fgs/utils/TerraSync/terrasync \\\n"
+" -v -pid $pidfile -S -p 5500 -d /games/orig/terrasync &\n"
+"fi" << endl;
+
}
-std::deque<std::string> waitingTiles;
-typedef std::map<std::string,time_t> CompletedTiles;
+deque<string> waitingTiles;
+typedef map<string,time_t> CompletedTiles;
CompletedTiles completedTiles;
+netSocket theSocket;
#ifdef HAVE_SVN_CLIENT_H
static const svn_version_checklist_t mysvn_checklist[] = {
{ "svn_subr", svn_subr_version },
{ "svn_client", svn_client_version },
- { "svn_wc", svn_wc_version },
- { "svn_ra", svn_ra_version },
- { "svn_delta", svn_delta_version },
- { "svn_diff", svn_diff_version },
{ NULL, NULL }
};
}
}
+#ifdef _MSC_VER
+typedef void (__cdecl * sighandler_t)(int);
+#elif defined( __APPLE__ )
+typedef sig_t sighandler_t;
+#endif
+
+bool terminating = false;
+sighandler_t prior_signal_handlers[32];
+int termination_triggering_signals[] = {
+#ifndef _MSC_VER
+ SIGHUP, SIGINT, SIGQUIT, SIGKILL,
+#else
+ SIGINT, SIGILL, SIGFPE, SIGSEGV, SIGTERM, SIGBREAK, SIGABRT,
+#endif
+ 0}; // zero terminated
+
+void terminate_request_handler(int param) {
+ char msg[] = "\nReceived signal XX, intend to exit soon.\n"
+ "repeat the signal to force immediate termination.\n";
+ msg[17] = '0' + param / 10;
+ msg[18] = '0' + param % 10;
+ write(1, msg, sizeof(msg) - 1);
+ terminating = true;
+ signal(param, prior_signal_handlers[param]);
+ theSocket.close();
+}
+
const int nowhere = -9999;
+
// parse message
static void parse_message( const string &msg, int *lat, int *lon ) {
double dlat, dlon;
string::size_type pos = text.find( "$GPGGA" );
if ( pos == string::npos )
{
- *lat = -9999.0;
- *lon = -9999.0;
+ *lat = nowhere;
+ *lon = nowhere;
return;
}
string tmp = text.substr( pos + 7 );
void getWaitingTile() {
while ( !waitingTiles.empty() ) {
- CompletedTiles::iterator ii = completedTiles.find( waitingTiles.front() );
+ CompletedTiles::iterator ii =
+ completedTiles.find( waitingTiles.front() );
time_t now = time(0);
if ( ii == completedTiles.end() || ii->second + 600 < now ) {
sync_tree(waitingTiles.front().c_str());
int main( int argc, char **argv ) {
int port = 5501;
- char host[256] = ""; // accept messages from anyone
+ char host[256] = "localhost";
bool testing = false;
+ bool do_checkout(true);
+ int verbose(0);
+ const char* pidfn = "";
// parse arguments
int i = 1;
if ( (string)argv[i] == "-p" ) {
++i;
port = atoi( argv[i] );
+ } else if ( string(argv[i]).find("-pid") == 0 ) {
+ ++i;
+ pidfn = argv[i];
+ cout << "pidfn: " << pidfn << endl;
} else if ( (string)argv[i] == "-s" ) {
++i;
source_base = argv[i];
use_svn = false;
} else if ( (string)argv[i] == "-S" ) {
use_svn = true;
+ } else if ( (string)argv[i] == "-v" ) {
+ verbose++;
} else if ( (string)argv[i] == "-T" ) {
testing = true;
+ } else if ( (string)argv[i] == "-h" ) {
+ usage( argv[0] );
+ exit(0);
} else {
+ cerr << "Unrecognized verbiage '" << argv[i] << "'" << endl;
usage( argv[0] );
exit(-1);
}
++i;
}
+ if (*pidfn) {
+ ofstream pidstream;
+ pidstream.open(pidfn);
+ if (!pidstream.good()) {
+ cerr << "Cannot open pid file '" << pidfn << "': ";
+ perror(0);
+ exit(2);
+ }
+ pidstream << getpid() << endl;
+ pidstream.close();
+ }
+
// Use the appropriate default for the "-s" flag
if (source_base == NULL) {
if (use_svn)
// Must call this before any other net stuff
netInit( &argc,argv );
- netSocket s;
-
- if ( ! s.open( false ) ) { // open a UDP socket
+ if ( ! theSocket.open( false ) ) { // open a UDP socket
printf("error opening socket\n");
return -1;
}
- s.setBlocking( false );
-
- if ( s.bind( host, port ) == -1 ) {
+ if ( theSocket.bind( host, port ) == -1 ) {
printf("error binding to port %d\n", port);
return -1;
}
bool recv_msg = false;
char synced_other;
- for ( synced_other = 'K'; synced_other <= 'Z'; synced_other++ ) {
- char dir[512];
- snprintf( dir, 512, "Airports/%c", synced_other );
- waitingTiles.push_back( dir );
- }
- for ( synced_other = 'A'; synced_other <= 'J'; synced_other++ ) {
- char dir[512];
- snprintf( dir, 512, "Airports/%c", synced_other );
- waitingTiles.push_back( dir );
+ if (do_checkout) {
+ for ( synced_other = 'K'; synced_other <= 'Z'; synced_other++ ) {
+ char dir[512];
+ snprintf( dir, 512, "Airports/%c", synced_other );
+ waitingTiles.push_back( dir );
+ }
+ for ( synced_other = 'A'; synced_other <= 'J'; synced_other++ ) {
+ char dir[512];
+ snprintf( dir, 512, "Airports/%c", synced_other );
+ waitingTiles.push_back( dir );
+ }
+ if ( use_svn ) {
+ waitingTiles.push_back( "Models" );
+ }
}
- if ( use_svn ) {
- waitingTiles.push_back( "Models" );
+
+
+ for (int* sigp=termination_triggering_signals; *sigp; sigp++) {
+ prior_signal_handlers[*sigp] =
+ signal(*sigp, *terminate_request_handler);
+ if (verbose) cout << "Intercepted signal " << *sigp << endl;
}
- while ( true ) {
+ while ( !terminating ) {
+ // main loop
recv_msg = false;
if ( testing ) {
// No FGFS communications
lat = 37;
lon = -123;
recv_msg = (lat != last_lat) || (lon != last_lon);
- }
- while ( (len = s.recv(msg, maxlen, 0)) >= 0 ) {
- msg[len] = '\0';
- recv_msg = true;
-
- parse_message( msg, &lat, &lon );
+ } else {
+ if (verbose && waitingTiles.empty()) {
+ cout << "Idle; waiting for FlightGear position\n";
+ }
+ theSocket.setBlocking(waitingTiles.empty());
+ len = theSocket.recv(msg, maxlen, 0);
+ if (len >= 0) {
+ msg[len] = '\0';
+ recv_msg = true;
+ if (verbose) cout << "recv length: " << len << endl;
+ parse_message( msg, &lat, &lon );
+ }
}
if ( recv_msg ) {
// Ignore messages where the location does not change
if ( lat != last_lat || lon != last_lon ) {
cout << "pos in msg = " << lat << "," << lon << endl;
- std::deque<std::string> oldRequests;
+ deque<string> oldRequests;
oldRequests.swap( waitingTiles );
int lat_dir, lon_dir, dist;
if ( last_lat == nowhere || last_lon == nowhere ) {
last_lat = lat;
last_lon = lon;
}
- } else
+ }
// No messages inbound, so process some pending work
- if ( !waitingTiles.empty() ) {
+ else if ( !waitingTiles.empty() ) {
getWaitingTile();
- } else
-
- if ( testing ) {
- exit( 0 );
- } else
+ }
- if ( last_lat == nowhere || last_lon == nowhere ) {
- cout << "FlightGear is not running, exiting." << endl;
- exit( 1 );
+ else if ( testing ) {
+ terminating = true;
} else
ulSleep( 1 );
- } // while true
+ } // while !terminating
return 0;
}
projects / flightgear.git / blobdiff