2 Copyright (c) 2001, Loki software, inc.
5 Redistribution and use in source and binary forms, with or without modification,
6 are permitted provided that the following conditions are met:
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9 of conditions and the following disclaimer.
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12 list of conditions and the following disclaimer in the documentation and/or
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19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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31 //-----------------------------------------------------------------------------
34 // monitoring window for running BSP processes (and possibly various other stuff)
37 #include "globaldefs.h"
43 #include "string/string.h"
44 #include "stream/stringstream.h"
46 #include "gtkutil/messagebox.h"
49 #include "preferences.h"
52 #include "mainframe.h"
55 void message_flush( message_info_t* self ){
56 Sys_Print( self->msg_level, self->m_buffer, self->m_length );
60 void message_print( message_info_t* self, const char* characters, std::size_t length ){
61 const char* end = characters + length;
62 while ( characters != end )
64 std::size_t space = message_info_t::bufsize - 1 - self->m_length;
66 message_flush( self );
70 std::size_t size = std::min( space, std::size_t( end - characters ) );
71 memcpy( self->m_buffer + self->m_length, characters, size );
72 self->m_length += size;
80 #include <uilib/uilib.h>
86 // a flag we have set to true when using an external BSP plugin
87 // the resulting code with that is a bit dirty, cleaner solution would be to seperate the succession of commands from the listening loop
88 // (in two seperate classes probably)
91 // EIdle: we are not listening
92 // DoMonitoringLoop will change state to EBeginStep
93 // EBeginStep: the socket is up for listening, we are expecting incoming connection
94 // incoming connection will change state to EWatching
95 // EWatching: we have a connection, monitor it
96 // connection closed will see if we start a new step (EBeginStep) or launch Quake3 and end (EIdle)
97 enum EWatchBSPState { EIdle, EBeginStep, EWatching } m_eState;
98 socket_t *m_pListenSocket;
99 socket_t *m_pInSocket;
102 // used to timeout EBeginStep
104 std::size_t m_iCurrentStep;
105 // name of the map so we can run the engine
107 // buffer we use in push mode to receive data directly from the network
108 xmlParserInputBufferPtr m_xmlInputBuffer;
109 xmlParserInputPtr m_xmlInput;
110 xmlParserCtxtPtr m_xmlParserCtxt;
111 // call this to switch the set listening mode
112 bool SetupListening();
113 // start a new EBeginStep
115 // the xml and sax parser state
116 char m_xmlBuf[MAX_NETMESSAGE];
117 bool m_bNeedCtxtInit;
118 message_info_t m_message_info;
123 m_bBSPPlugin = false;
124 m_pListenSocket = NULL;
127 m_pTimer = g_timer_new();
129 m_xmlInputBuffer = NULL;
130 m_bNeedCtxtInit = true;
132 virtual ~CWatchBSP(){
136 g_timer_destroy( m_pTimer );
139 bool HasBSPPlugin() const
140 { return m_bBSPPlugin; }
142 // called regularly to keep listening
143 void RoutineProcessing();
144 // start a monitoring loop with the following steps
145 void DoMonitoringLoop( GPtrArray *pCmd, const char *sBSPName );
146 void EndMonitoringLoop(){
149 string_release( m_sBSPName, string_length( m_sBSPName ) );
153 g_ptr_array_free( m_pCmd, TRUE );
157 // close everything - may be called from the outside to abort the process
159 // start a listening loop for an external process, possibly a BSP plugin
160 void ExternalListen();
163 CWatchBSP* g_pWatchBSP;
165 // watch the BSP process through network connections
166 // true: trigger the BSP steps one by one and monitor them through the network
167 // false: create a BAT / .sh file and execute it. don't bother monitoring it.
168 bool g_WatchBSP_Enabled = true;
169 // do we stop the compilation process if we come accross a leak?
170 bool g_WatchBSP_LeakStop = true;
171 bool g_WatchBSP_RunQuake = false;
172 // store prefs setting for automatic sleep mode activation
173 bool g_WatchBSP_DoSleep = true;
174 // timeout when beginning a step (in seconds)
175 // if we don't get a connection quick enough we assume something failed and go back to idling
176 int g_WatchBSP_Timeout = 10;
179 void Build_constructPreferences( PreferencesPage& page ){
180 ui::CheckButton monitorbsp = page.appendCheckBox( "", "Enable Build Process Monitoring", g_WatchBSP_Enabled );
181 ui::CheckButton leakstop = page.appendCheckBox( "", "Stop Compilation on Leak", g_WatchBSP_LeakStop );
182 ui::CheckButton runengine = page.appendCheckBox( "", "Run Engine After Compile", g_WatchBSP_RunQuake );
183 ui::CheckButton sleep = page.appendCheckBox ( "", "Sleep When Running the Engine", g_WatchBSP_DoSleep );
184 Widget_connectToggleDependency( leakstop, monitorbsp );
185 Widget_connectToggleDependency( runengine, monitorbsp );
186 Widget_connectToggleDependency( sleep, runengine );
188 void Build_constructPage( PreferenceGroup& group ){
189 PreferencesPage page( group.createPage( "Build", "Build Preferences" ) );
190 Build_constructPreferences( page );
192 void Build_registerPreferencesPage(){
193 PreferencesDialog_addSettingsPage( makeCallbackF(Build_constructPage) );
196 #include "preferencesystem.h"
197 #include "stringio.h"
199 void BuildMonitor_Construct(){
200 g_pWatchBSP = new CWatchBSP();
202 g_WatchBSP_Enabled = !string_equal( g_pGameDescription->getKeyValue( "no_bsp_monitor" ), "1" );
204 GlobalPreferenceSystem().registerPreference( "WatchBSP", make_property_string( g_WatchBSP_Enabled ) );
205 GlobalPreferenceSystem().registerPreference( "RunQuake2Run", make_property_string( g_WatchBSP_RunQuake ) );
206 GlobalPreferenceSystem().registerPreference( "LeakStop", make_property_string( g_WatchBSP_LeakStop ) );
207 GlobalPreferenceSystem().registerPreference( "SleepMode", make_property_string( g_WatchBSP_DoSleep ) );
209 Build_registerPreferencesPage();
212 void BuildMonitor_Destroy(){
216 CWatchBSP *GetWatchBSP(){
220 void BuildMonitor_Run( GPtrArray* commands, const char* mapName ){
221 GetWatchBSP()->DoMonitoringLoop( commands, mapName );
225 // Static functions for the SAX callbacks -------------------------------------------------------
227 // utility for saxStartElement below
228 static void abortStream( message_info_t *data ){
229 GetWatchBSP()->EndMonitoringLoop();
230 // tell there has been an error
232 if ( GetWatchBSP()->HasBSPPlugin() ) {
233 g_BSPFrontendTable.m_pfnEndListen( 2 );
236 // yeah this doesn't look good.. but it's needed so that everything will be ignored until the stream goes out
237 data->ignore_depth = -1;
241 #include "stream_version.h"
243 static void saxStartElement( message_info_t *data, const xmlChar *name, const xmlChar **attrs ){
245 globalOutputStream() << "<" << name;
247 for ( const xmlChar** p = attrs; *p != 0; p += 2 )
249 globalOutputStream() << " " << p[0] << "=" << makeQuoted( p[1] );
252 globalOutputStream() << ">\n";
255 if ( data->ignore_depth == 0 ) {
256 if ( data->pGeometry != 0 ) {
258 data->pGeometry->saxStartElement( data, name, attrs );
262 if ( strcmp( reinterpret_cast<const char*>( name ), "q3map_feedback" ) == 0 ) {
263 // check the correct version
264 // old q3map don't send a version attribute
265 // the ones we support .. send Q3MAP_STREAM_VERSION
266 if ( !attrs[0] || !attrs[1] || ( strcmp( reinterpret_cast<const char*>( attrs[0] ), "version" ) != 0 ) ) {
267 message_flush( data );
268 globalErrorStream() << "No stream version given in the feedback stream, this is an old q3map version.\n"
269 "Please turn off monitored compiling if you still wish to use this q3map executable\n";
273 else if ( strcmp( reinterpret_cast<const char*>( attrs[1] ), Q3MAP_STREAM_VERSION ) != 0 ) {
274 message_flush( data );
275 globalErrorStream() <<
276 "This version of Radiant reads version " Q3MAP_STREAM_VERSION " debug streams, I got an incoming connection with version " << reinterpret_cast<const char*>( attrs[1] ) << "\n"
277 "Please make sure your versions of Radiant and q3map are matching.\n";
282 // we don't treat locally
283 else if ( strcmp( reinterpret_cast<const char*>( name ), "message" ) == 0 ) {
284 int msg_level = atoi( reinterpret_cast<const char*>( attrs[1] ) );
285 if ( msg_level != data->msg_level ) {
286 message_flush( data );
287 data->msg_level = msg_level;
290 else if ( strcmp( reinterpret_cast<const char*>( name ), "polyline" ) == 0 ) {
291 // polyline has a particular status .. right now we only use it for leakfile ..
292 data->geometry_depth = data->recurse;
293 data->pGeometry = &g_pointfile;
294 data->pGeometry->saxStartElement( data, name, attrs );
296 else if ( strcmp( reinterpret_cast<const char*>( name ), "select" ) == 0 ) {
297 CSelectMsg *pSelect = new CSelectMsg();
298 data->geometry_depth = data->recurse;
299 data->pGeometry = pSelect;
300 data->pGeometry->saxStartElement( data, name, attrs );
302 else if ( strcmp( reinterpret_cast<const char*>( name ), "pointmsg" ) == 0 ) {
303 CPointMsg *pPoint = new CPointMsg();
304 data->geometry_depth = data->recurse;
305 data->pGeometry = pPoint;
306 data->pGeometry->saxStartElement( data, name, attrs );
308 else if ( strcmp( reinterpret_cast<const char*>( name ), "windingmsg" ) == 0 ) {
309 CWindingMsg *pWinding = new CWindingMsg();
310 data->geometry_depth = data->recurse;
311 data->pGeometry = pWinding;
312 data->pGeometry->saxStartElement( data, name, attrs );
316 globalErrorStream() << "Warning: ignoring unrecognized node in XML stream (" << reinterpret_cast<const char*>( name ) << ")\n";
317 // we don't recognize this node, jump over it
318 // (NOTE: the ignore mechanism is a bit screwed, only works when starting an ignore at the highest level)
319 data->ignore_depth = data->recurse;
326 static void saxEndElement( message_info_t *data, const xmlChar *name ){
328 globalOutputStream() << "<" << name << "/>\n";
332 // we are out of an ignored chunk
333 if ( data->recurse == data->ignore_depth ) {
334 data->ignore_depth = 0;
337 if ( data->pGeometry != 0 ) {
338 data->pGeometry->saxEndElement( data, name );
339 // we add the object to the debug window
340 if ( data->geometry_depth == data->recurse ) {
341 g_DbgDlg.Push( data->pGeometry );
345 if ( data->recurse == data->stop_depth ) {
346 message_flush( data );
348 globalOutputStream() << "Received error msg .. shutting down..\n";
350 GetWatchBSP()->EndMonitoringLoop();
351 // tell there has been an error
353 if ( GetWatchBSP()->HasBSPPlugin() ) {
354 g_BSPFrontendTable.m_pfnEndListen( 2 );
361 class MessageOutputStream : public TextOutputStream
363 message_info_t* m_data;
365 MessageOutputStream( message_info_t* data ) : m_data( data ){
368 std::size_t write( const char* buffer, std::size_t length ){
369 if ( m_data->pGeometry != 0 ) {
370 m_data->pGeometry->saxCharacters( m_data, reinterpret_cast<const xmlChar*>( buffer ), int(length) );
374 if ( m_data->ignore_depth == 0 ) {
375 // output the message using the level
376 message_print( m_data, buffer, length );
377 // if this message has error level flag, we mark the depth to stop the compilation when we get out
378 // we don't set the msg level if we don't stop on leak
379 if ( m_data->msg_level == 3 ) {
380 m_data->stop_depth = m_data->recurse - 1;
390 inline MessageOutputStream& operator<<( MessageOutputStream& ostream, const T& t ){
391 return ostream_write( ostream, t );
394 static void saxCharacters( message_info_t *data, const xmlChar *ch, int len ){
395 MessageOutputStream ostream( data );
396 ostream << StringRange( reinterpret_cast<const char*>( ch ), reinterpret_cast<const char*>( ch + len ) );
399 static void saxComment( void *ctx, const xmlChar *msg ){
400 globalOutputStream() << "XML comment: " << reinterpret_cast<const char*>( msg ) << "\n";
403 static void saxWarning( void *ctx, const char *msg, ... ){
404 char saxMsgBuffer[4096];
407 va_start( args, msg );
408 vsprintf( saxMsgBuffer, msg, args );
410 globalOutputStream() << "XML warning: " << saxMsgBuffer << "\n";
413 static void saxError( void *ctx, const char *msg, ... ){
414 char saxMsgBuffer[4096];
417 va_start( args, msg );
418 vsprintf( saxMsgBuffer, msg, args );
420 globalErrorStream() << "XML error: " << saxMsgBuffer << "\n";
423 static void saxFatal( void *ctx, const char *msg, ... ){
428 va_start( args, msg );
429 vsprintf( buffer, msg, args );
431 globalErrorStream() << "XML fatal error: " << buffer << "\n";
434 static xmlSAXHandler saxParser = {
435 0, /* internalSubset */
436 0, /* isStandalone */
437 0, /* hasInternalSubset */
438 0, /* hasExternalSubset */
439 0, /* resolveEntity */
442 0, /* notationDecl */
443 0, /* attributeDecl */
445 0, /* unparsedEntityDecl */
446 0, /* setDocumentLocator */
447 0, /* startDocument */
449 (startElementSAXFunc)saxStartElement, /* startElement */
450 (endElementSAXFunc)saxEndElement, /* endElement */
452 (charactersSAXFunc)saxCharacters, /* characters */
453 0, /* ignorableWhitespace */
454 0, /* processingInstruction */
455 (commentSAXFunc)saxComment, /* comment */
456 (warningSAXFunc)saxWarning, /* warning */
457 (errorSAXFunc)saxError, /* error */
458 (fatalErrorSAXFunc)saxFatal, /* fatalError */
469 // ------------------------------------------------------------------------------------------------
472 guint s_routine_id = 0;
473 static gint watchbsp_routine( gpointer data ){
474 reinterpret_cast<CWatchBSP*>( data )->RoutineProcessing();
478 void CWatchBSP::Reset(){
480 Net_Disconnect( m_pInSocket );
483 if ( m_pListenSocket ) {
484 Net_Disconnect( m_pListenSocket );
485 m_pListenSocket = NULL;
487 if ( m_xmlInputBuffer ) {
488 xmlFreeParserInputBuffer( m_xmlInputBuffer );
489 m_xmlInputBuffer = NULL;
492 if ( s_routine_id != 0 ) {
493 g_source_remove( s_routine_id );
498 bool CWatchBSP::SetupListening(){
500 if ( m_pListenSocket ) {
501 globalOutputStream() << "ERROR: m_pListenSocket != NULL in CWatchBSP::SetupListening\n";
505 globalOutputStream() << "Setting up\n";
507 m_pListenSocket = Net_ListenSocket( 39000 );
508 if ( m_pListenSocket == NULL ) {
511 globalOutputStream() << "Listening...\n";
515 void CWatchBSP::DoEBeginStep(){
517 if ( SetupListening() == false ) {
518 const char* msg = "Failed to get a listening socket on port 39000.\nTry running with Build monitoring disabled if you can't fix this.\n";
519 globalOutputStream() << msg;
520 ui::alert( MainFrame_getWindow(), msg, "Build monitoring", ui::alert_type::OK, ui::alert_icon::Error );
523 // set the timer for timeouts and step cancellation
524 g_timer_reset( m_pTimer );
525 g_timer_start( m_pTimer );
527 if ( !m_bBSPPlugin ) {
528 globalOutputStream() << "=== running build command ===\n"
529 << static_cast<const char*>( g_ptr_array_index( m_pCmd, m_iCurrentStep ) ) << "\n";
531 if ( !Q_Exec( NULL, (char *)g_ptr_array_index( m_pCmd, m_iCurrentStep ), NULL, true, false ) ) {
532 StringOutputStream msg( 256 );
533 msg << "Failed to execute the following command: ";
534 msg << reinterpret_cast<const char*>( g_ptr_array_index( m_pCmd, m_iCurrentStep ) );
535 msg << "\nCheck that the file exists and that you don't run out of system resources.\n";
536 globalOutputStream() << msg.c_str();
537 ui::alert( MainFrame_getWindow(), msg.c_str(), "Build monitoring", ui::alert_type::OK, ui::alert_icon::Error );
540 // re-initialise the debug window
541 if ( m_iCurrentStep == 0 ) {
545 m_eState = EBeginStep;
546 s_routine_id = g_timeout_add( 25, watchbsp_routine, this );
551 const char *ENGINE_ATTRIBUTE = "engine_win32";
552 const char *MP_ENGINE_ATTRIBUTE = "mp_engine_win32";
553 #elif GDEF_OS_LINUX || GDEF_OS_BSD
554 const char *ENGINE_ATTRIBUTE = "engine_linux";
555 const char *MP_ENGINE_ATTRIBUTE = "mp_engine_linux";
557 const char *ENGINE_ATTRIBUTE = "engine_macos";
558 const char *MP_ENGINE_ATTRIBUTE = "mp_engine_macos";
560 #error "unsupported platform"
563 class RunEngineConfiguration
566 const char* executable;
567 const char* mp_executable;
570 RunEngineConfiguration() :
571 executable( g_pGameDescription->getRequiredKeyValue( ENGINE_ATTRIBUTE ) ),
572 mp_executable( g_pGameDescription->getKeyValue( MP_ENGINE_ATTRIBUTE ) ){
573 do_sp_mp = !string_empty( mp_executable );
577 inline void GlobalGameDescription_string_write_mapparameter( StringOutputStream& string, const char* mapname ){
578 if ( g_pGameDescription->mGameType == "q2"
579 || g_pGameDescription->mGameType == "heretic2" ) {
580 string << ". +exec radiant.cfg +map " << mapname;
584 string << "+set sv_pure 0 ";
585 // TTimo: a check for vm_* but that's all fine
586 //cmdline = "+set sv_pure 0 +set vm_ui 0 +set vm_cgame 0 +set vm_game 0 ";
587 const char* fs_game = gamename_get();
588 if ( !string_equal( fs_game, basegame_get() ) ) {
589 string << "+set fs_game " << fs_game << " ";
591 if ( g_pGameDescription->mGameType == "wolf" ) {
592 //|| g_pGameDescription->mGameType == "et")
593 if ( string_equal( gamemode_get(), "mp" ) ) {
595 string << "+devmap " << mapname;
600 string << "+set nextmap \"spdevmap " << mapname << "\"";
605 string << "+devmap " << mapname;
611 void CWatchBSP::RoutineProcessing(){
615 // timeout: if we don't get an incoming connection fast enough, go back to idle
616 if ( g_timer_elapsed( m_pTimer, NULL ) > g_WatchBSP_Timeout ) {
617 ui::alert( MainFrame_getWindow(), "The connection timed out, assuming the build process failed\nMake sure you are using a networked version of Q3Map?\nOtherwise you need to disable BSP Monitoring in prefs.", "BSP process monitoring", ui::alert_type::OK );
620 if ( m_bBSPPlugin ) {
621 // status == 1 : didn't get the connection
622 g_BSPFrontendTable.m_pfnEndListen( 1 );
629 if ( !m_pListenSocket ) {
630 globalErrorStream() << "ERROR: m_pListenSocket == NULL in CWatchBSP::RoutineProcessing EBeginStep state\n";
634 // we are not connected yet, accept any incoming connection
635 m_pInSocket = Net_Accept( m_pListenSocket );
637 globalOutputStream() << "Connected.\n";
638 // prepare the message info struct for diving in
639 memset( &m_message_info, 0, sizeof( message_info_t ) );
640 // a dumb flag to make sure we init the push parser context when first getting a msg
641 m_bNeedCtxtInit = true;
642 m_eState = EWatching;
649 if ( !m_pInSocket ) {
650 globalErrorStream() << "ERROR: m_pInSocket == NULL in CWatchBSP::RoutineProcessing EWatching state\n";
655 int ret = Net_Wait( m_pInSocket, 0, 0 );
657 globalOutputStream() << "WARNING: SOCKET_ERROR in CWatchBSP::RoutineProcessing\n";
658 globalOutputStream() << "Terminating the connection.\n";
664 // the socket has been identified, there's something (message or disconnection)
665 // see if there's anything in input
666 ret = Net_Receive( m_pInSocket, &msg );
668 // unsigned int size = msg.size; //++timo just a check
669 strcpy( m_xmlBuf, NMSG_ReadString( &msg ) );
670 if ( m_bNeedCtxtInit ) {
671 m_xmlParserCtxt = NULL;
672 m_xmlParserCtxt = xmlCreatePushParserCtxt( &saxParser, &m_message_info, m_xmlBuf, static_cast<int>( strlen( m_xmlBuf ) ), NULL );
674 if ( m_xmlParserCtxt == NULL ) {
675 globalErrorStream() << "Failed to create the XML parser (incoming stream began with: " << m_xmlBuf << ")\n";
678 m_bNeedCtxtInit = false;
682 xmlParseChunk( m_xmlParserCtxt, m_xmlBuf, static_cast<int>( strlen( m_xmlBuf ) ), 0 );
687 message_flush( &m_message_info );
688 // error or connection closed/reset
689 // NOTE: if we get an error down the XML stream we don't reach here
690 Net_Disconnect( m_pInSocket );
692 globalOutputStream() << "Connection closed.\n";
694 if ( m_bBSPPlugin ) {
696 // let the BSP plugin know that the job is done
697 g_BSPFrontendTable.m_pfnEndListen( 0 );
701 // move to next step or finish
703 if ( m_iCurrentStep < m_pCmd->len ) {
708 // launch the engine .. OMG
709 if ( g_WatchBSP_RunQuake ) {
711 // do we enter sleep mode before?
712 if ( g_WatchBSP_DoSleep ) {
713 globalOutputStream() << "Going into sleep mode..\n";
714 g_pParentWnd->OnSleep();
717 globalOutputStream() << "Running engine...\n";
718 StringOutputStream cmd( 256 );
719 // build the command line
720 cmd << EnginePath_get();
721 // this is game dependant
723 RunEngineConfiguration engineConfig;
725 if ( engineConfig.do_sp_mp ) {
726 if ( string_equal( gamemode_get(), "mp" ) ) {
727 cmd << engineConfig.mp_executable;
731 cmd << engineConfig.executable;
736 cmd << engineConfig.executable;
739 StringOutputStream cmdline;
741 GlobalGameDescription_string_write_mapparameter( cmdline, m_sBSPName );
743 globalOutputStream() << cmd.c_str() << " " << cmdline.c_str() << "\n";
746 if ( !Q_Exec( cmd.c_str(), (char *)cmdline.c_str(), EnginePath_get(), false, false ) ) {
747 StringOutputStream msg;
748 msg << "Failed to execute the following command: " << cmd.c_str() << cmdline.c_str();
749 globalOutputStream() << msg.c_str();
750 ui::alert( MainFrame_getWindow(), msg.c_str(), "Build monitoring", ui::alert_type::OK, ui::alert_icon::Error );
764 GPtrArray* str_ptr_array_clone( GPtrArray* array ){
765 GPtrArray* cloned = g_ptr_array_sized_new( array->len );
766 for ( guint i = 0; i < array->len; ++i )
768 g_ptr_array_add( cloned, g_strdup( (char*)g_ptr_array_index( array, i ) ) );
773 void CWatchBSP::DoMonitoringLoop( GPtrArray *pCmd, const char *sBSPName ){
774 m_sBSPName = string_clone( sBSPName );
775 if ( m_eState != EIdle ) {
776 globalOutputStream() << "WatchBSP got a monitoring request while not idling...\n";
777 // prompt the user, should we cancel the current process and go ahead?
778 if ( ui::alert( MainFrame_getWindow(), "I am already monitoring a Build process.\nDo you want me to override and start a new compilation?",
779 "Build process monitoring", ui::alert_type::YESNO ) == ui::alert_response::YES ) {
780 // disconnect and set EIdle state
784 m_pCmd = str_ptr_array_clone( pCmd );
789 void CWatchBSP::ExternalListen(){
794 // the part of the watchbsp interface we export to plugins
795 // NOTE: in the long run, the whole watchbsp.cpp interface needs to go out and be handled at the BSP plugin level
796 // for now we provide something really basic and limited, the essential is to have something that works fine and fast (for 1.1 final)
797 void QERApp_Listen(){
798 // open the listening socket
799 GetWatchBSP()->ExternalListen();