/* =============== Field_CompleteCommand =============== */ void Field_CompleteCommand( char *cmd, qboolean doCommands, qboolean doCvars ) { int completionArgument = 0; // Skip leading whitespace and quotes cmd = Com_SkipCharset( cmd, " \"" ); Cmd_TokenizeStringIgnoreQuotes( cmd ); completionArgument = Cmd_Argc(); // If there is trailing whitespace on the cmd if ( *(cmd + strlen( cmd )-1) == ' ' ) { completionString = ""; completionArgument++; } else completionString = Cmd_Argv( completionArgument - 1 ); if ( completionArgument > 1 ) { const char *baseCmd = Cmd_Argv( 0 ); char *p; if ( baseCmd[0] == '\\' || baseCmd[0] == '/' ) baseCmd++; if( ( p = Field_FindFirstSeparator( cmd ) ) ) Field_CompleteCommand( p + 1, qtrue, qtrue ); // Compound command else Cmd_CompleteArgument( baseCmd, cmd, completionArgument ); } else { if ( completionString[0] == '\\' || completionString[0] == '/' ) completionString++; matchCount = 0; shortestMatch[ 0 ] = 0; if ( strlen( completionString ) == 0 ) return; if ( doCommands ) Cmd_CommandCompletion( FindMatches ); if ( doCvars ) Cvar_CommandCompletion( FindMatches ); if ( !Field_Complete() ) { // run through again, printing matches if ( doCommands ) Cmd_CommandCompletion( PrintMatches ); if ( doCvars ) Cvar_CommandCompletion( PrintCvarMatches ); } } }
/* ================== SV_WriteDownloadToClient Check to see if the client wants a file, open it if needed and start pumping the client Fill up msg with data ================== */ void SV_WriteDownloadToClient(client_t *cl, msg_t *msg) { int curindex; int rate; int blockspersnap; int unreferenced = 1; char errorMessage[1024]; char pakbuf[MAX_QPATH], *pakptr; int numRefPaks; if (!*cl->downloadName) return; // Nothing being downloaded if(!cl->download) { qboolean idPack = qfalse; #ifndef STANDALONE qboolean missionPack = qfalse; #endif // Chop off filename extension. Com_sprintf(pakbuf, sizeof(pakbuf), "%s", cl->downloadName); pakptr = strrchr(pakbuf, '.'); if(pakptr) { *pakptr = '\0'; // Check for pk3 filename extension if(!Q_stricmp(pakptr + 1, "pk3")) { const char *referencedPaks = FS_ReferencedPakNames(); // Check whether the file appears in the list of referenced // paks to prevent downloading of arbitrary files. Cmd_TokenizeStringIgnoreQuotes(referencedPaks); numRefPaks = Cmd_Argc(); for(curindex = 0; curindex < numRefPaks; curindex++) { if(!FS_FilenameCompare(Cmd_Argv(curindex), pakbuf)) { unreferenced = 0; // now that we know the file is referenced, // check whether it's legal to download it. missionPack = FS_idPak(pakbuf, "missionpack"); idPack = missionPack; idPack = (qboolean)(idPack || FS_idPak(pakbuf, "base")); break; } } } } cl->download = 0; // We open the file here if ( !sv_allowDownload->integer || idPack || unreferenced || ( cl->downloadSize = FS_SV_FOpenFileRead( cl->downloadName, &cl->download ) ) < 0 ) { // cannot auto-download file if(unreferenced) { Com_Printf("clientDownload: %d : \"%s\" is not referenced and cannot be downloaded.\n", (int) (cl - svs.clients), cl->downloadName); Com_sprintf(errorMessage, sizeof(errorMessage), "File \"%s\" is not referenced and cannot be downloaded.", cl->downloadName); } else if (idPack) { Com_Printf("clientDownload: %d : \"%s\" cannot download id pk3 files\n", (int) (cl - svs.clients), cl->downloadName); if(missionPack) { Com_sprintf(errorMessage, sizeof(errorMessage), "Cannot autodownload Team Arena file \"%s\"\n" "The Team Arena mission pack can be found in your local game store.", cl->downloadName); } else { Com_sprintf(errorMessage, sizeof(errorMessage), "Cannot autodownload id pk3 file \"%s\"", cl->downloadName); } } else if ( !sv_allowDownload->integer ) { Com_Printf("clientDownload: %d : \"%s\" download disabled\n", (int) (cl - svs.clients), cl->downloadName); if (sv_pure->integer) { Com_sprintf(errorMessage, sizeof(errorMessage), "Could not download \"%s\" because autodownloading is disabled on the server.\n\n" "You will need to get this file elsewhere before you " "can connect to this pure server.\n", cl->downloadName); } else { Com_sprintf(errorMessage, sizeof(errorMessage), "Could not download \"%s\" because autodownloading is disabled on the server.\n\n" "The server you are connecting to is not a pure server, " "set autodownload to No in your settings and you might be " "able to join the game anyway.\n", cl->downloadName); } } else { // NOTE TTimo this is NOT supposed to happen unless bug in our filesystem scheme? // if the pk3 is referenced, it must have been found somewhere in the filesystem Com_Printf("clientDownload: %d : \"%s\" file not found on server\n", (int) (cl - svs.clients), cl->downloadName); Com_sprintf(errorMessage, sizeof(errorMessage), "File \"%s\" not found on server for autodownloading.\n", cl->downloadName); } MSG_WriteByte( msg, svc_download ); MSG_WriteShort( msg, 0 ); // client is expecting block zero MSG_WriteLong( msg, -1 ); // illegal file size MSG_WriteString( msg, errorMessage ); *cl->downloadName = 0; if(cl->download) FS_FCloseFile(cl->download); return; } Com_Printf( "clientDownload: %d : beginning \"%s\"\n", (int) (cl - svs.clients), cl->downloadName ); // Init cl->downloadCurrentBlock = cl->downloadClientBlock = cl->downloadXmitBlock = 0; cl->downloadCount = 0; cl->downloadEOF = qfalse; } // Perform any reads that we need to while (cl->downloadCurrentBlock - cl->downloadClientBlock < MAX_DOWNLOAD_WINDOW && cl->downloadSize != cl->downloadCount) { curindex = (cl->downloadCurrentBlock % MAX_DOWNLOAD_WINDOW); if (!cl->downloadBlocks[curindex]) cl->downloadBlocks[curindex] = (unsigned char *)Z_Malloc( MAX_DOWNLOAD_BLKSIZE, TAG_DOWNLOAD, qtrue ); cl->downloadBlockSize[curindex] = FS_Read( cl->downloadBlocks[curindex], MAX_DOWNLOAD_BLKSIZE, cl->download ); if (cl->downloadBlockSize[curindex] < 0) { // EOF right now cl->downloadCount = cl->downloadSize; break; } cl->downloadCount += cl->downloadBlockSize[curindex]; // Load in next block cl->downloadCurrentBlock++; } // Check to see if we have eof condition and add the EOF block if (cl->downloadCount == cl->downloadSize && !cl->downloadEOF && cl->downloadCurrentBlock - cl->downloadClientBlock < MAX_DOWNLOAD_WINDOW) { cl->downloadBlockSize[cl->downloadCurrentBlock % MAX_DOWNLOAD_WINDOW] = 0; cl->downloadCurrentBlock++; cl->downloadEOF = qtrue; // We have added the EOF block } // Loop up to window size times based on how many blocks we can fit in the // client snapMsec and rate // based on the rate, how many bytes can we fit in the snapMsec time of the client // normal rate / snapshotMsec calculation rate = cl->rate; if ( sv_maxRate->integer ) { if ( sv_maxRate->integer < 1000 ) { Cvar_Set( "sv_MaxRate", "1000" ); } if ( sv_maxRate->integer < rate ) { rate = sv_maxRate->integer; } } if (!rate) { blockspersnap = 1; } else { blockspersnap = ( (rate * cl->snapshotMsec) / 1000 + MAX_DOWNLOAD_BLKSIZE ) / MAX_DOWNLOAD_BLKSIZE; } if (blockspersnap < 0) blockspersnap = 1; while (blockspersnap--) { // Write out the next section of the file, if we have already reached our window, // automatically start retransmitting if (cl->downloadClientBlock == cl->downloadCurrentBlock) return; // Nothing to transmit if (cl->downloadXmitBlock == cl->downloadCurrentBlock) { // We have transmitted the complete window, should we start resending? //FIXME: This uses a hardcoded one second timeout for lost blocks //the timeout should be based on client rate somehow if (svs.time - cl->downloadSendTime > 1000) cl->downloadXmitBlock = cl->downloadClientBlock; else return; } // Send current block curindex = (cl->downloadXmitBlock % MAX_DOWNLOAD_WINDOW); MSG_WriteByte( msg, svc_download ); MSG_WriteShort( msg, cl->downloadXmitBlock ); // block zero is special, contains file size if ( cl->downloadXmitBlock == 0 ) MSG_WriteLong( msg, cl->downloadSize ); MSG_WriteShort( msg, cl->downloadBlockSize[curindex] ); // Write the block if ( cl->downloadBlockSize[curindex] ) { MSG_WriteData( msg, cl->downloadBlocks[curindex], cl->downloadBlockSize[curindex] ); } Com_DPrintf( "clientDownload: %d : writing block %d\n", cl - svs.clients, cl->downloadXmitBlock ); // Move on to the next block // It will get sent with next snap shot. The rate will keep us in line. cl->downloadXmitBlock++; cl->downloadSendTime = svs.time; } }
/* ================== SV_WriteDownloadToClient Check to see if the client wants a file, open it if needed and start pumping the client Fill up msg with data, return number of download blocks added ================== */ int SV_WriteDownloadToClient(client_t *cl, msg_t *msg) { int curindex; int unreferenced = 1; char errorMessage[1024]; char pakbuf[MAX_QPATH], *pakptr; int numRefPaks; if (!*cl->downloadName) return 0; // Nothing being downloaded if(!cl->download) { qboolean idPack = qfalse; // Chop off filename extension. Com_sprintf(pakbuf, sizeof(pakbuf), "%s", cl->downloadName); pakptr = strrchr(pakbuf, '.'); if(pakptr) { *pakptr = '\0'; // Check for pk3 filename extension if(!Q_stricmp(pakptr + 1, "pk3")) { const char *referencedPaks = FS_ReferencedPakNames(); // Check whether the file appears in the list of referenced // paks to prevent downloading of arbitrary files. Cmd_TokenizeStringIgnoreQuotes(referencedPaks); numRefPaks = Cmd_Argc(); for(curindex = 0; curindex < numRefPaks; curindex++) { if(!FS_FilenameCompare(Cmd_Argv(curindex), pakbuf)) { unreferenced = 0; // now that we know the file is referenced, // check whether it's legal to download it. idPack = idPack || FS_idPak(pakbuf, BASEGAME, NUM_RV_PAKS); break; } } } } cl->download = 0; // We open the file here if ( !(sv_allowDownload->integer & DLF_ENABLE) || (sv_allowDownload->integer & DLF_NO_UDP) || idPack || unreferenced || ( cl->downloadSize = FS_SV_FOpenFileRead( cl->downloadName, &cl->download ) ) < 0 ) { // cannot auto-download file if(unreferenced) { Com_Printf("clientDownload: %d : \"%s\" is not referenced and cannot be downloaded.\n", (int) (cl - svs.clients), cl->downloadName); Com_sprintf(errorMessage, sizeof(errorMessage), "File \"%s\" is not referenced and cannot be downloaded.", cl->downloadName); } else if (idPack) { Com_Printf("clientDownload: %d : \"%s\" cannot download raven jk3 pk3 files\n", (int) (cl - svs.clients), cl->downloadName); Com_sprintf(errorMessage, sizeof(errorMessage), "Cannot autodownload raven jk3 pk3 file \"%s\"", cl->downloadName); } else if ( !(sv_allowDownload->integer & DLF_ENABLE) || (sv_allowDownload->integer & DLF_NO_UDP) ) { Com_Printf("clientDownload: %d : \"%s\" download disabled\n", (int) (cl - svs.clients), cl->downloadName); if (sv_pure->integer) { Com_sprintf(errorMessage, sizeof(errorMessage), "Could not download \"%s\" because autodownloading is disabled on the server.\n\n" "You will need to get this file elsewhere before you " "can connect to this pure server.\n", cl->downloadName); } else { Com_sprintf(errorMessage, sizeof(errorMessage), "Could not download \"%s\" because autodownloading is disabled on the server.\n\n" "The server you are connecting to is not a pure server, " "set autodownload to No in your settings and you might be " "able to join the game anyway.\n", cl->downloadName); } } else { // NOTE TTimo this is NOT supposed to happen unless bug in our filesystem scheme? // if the pk3 is referenced, it must have been found somewhere in the filesystem Com_Printf("clientDownload: %d : \"%s\" file not found on server\n", (int) (cl - svs.clients), cl->downloadName); Com_sprintf(errorMessage, sizeof(errorMessage), "File \"%s\" not found on server for autodownloading.\n", cl->downloadName); } MSG_WriteByte( msg, svc_download ); MSG_WriteShort( msg, 0 ); // client is expecting block zero MSG_WriteLong( msg, -1 ); // illegal file size MSG_WriteString( msg, errorMessage ); *cl->downloadName = 0; if(cl->download) FS_FCloseFile(cl->download); return 0; } Com_Printf( "clientDownload: %d : beginning \"%s\"\n", (int) (cl - svs.clients), cl->downloadName ); // Init cl->downloadCurrentBlock = cl->downloadClientBlock = cl->downloadXmitBlock = 0; cl->downloadCount = 0; cl->downloadEOF = qfalse; } // Perform any reads that we need to while (cl->downloadCurrentBlock - cl->downloadClientBlock < MAX_DOWNLOAD_WINDOW && cl->downloadSize != cl->downloadCount) { curindex = (cl->downloadCurrentBlock % MAX_DOWNLOAD_WINDOW); if (!cl->downloadBlocks[curindex]) cl->downloadBlocks[curindex] = Z_Malloc(MAX_DOWNLOAD_BLKSIZE); cl->downloadBlockSize[curindex] = FS_Read( cl->downloadBlocks[curindex], MAX_DOWNLOAD_BLKSIZE, cl->download ); if (cl->downloadBlockSize[curindex] < 0) { // EOF right now cl->downloadCount = cl->downloadSize; break; } cl->downloadCount += cl->downloadBlockSize[curindex]; // Load in next block cl->downloadCurrentBlock++; } // Check to see if we have eof condition and add the EOF block if (cl->downloadCount == cl->downloadSize && !cl->downloadEOF && cl->downloadCurrentBlock - cl->downloadClientBlock < MAX_DOWNLOAD_WINDOW) { cl->downloadBlockSize[cl->downloadCurrentBlock % MAX_DOWNLOAD_WINDOW] = 0; cl->downloadCurrentBlock++; cl->downloadEOF = qtrue; // We have added the EOF block } if (cl->downloadClientBlock == cl->downloadCurrentBlock) return 0; // Nothing to transmit // Write out the next section of the file, if we have already reached our window, // automatically start retransmitting if (cl->downloadXmitBlock == cl->downloadCurrentBlock) { // We have transmitted the complete window, should we start resending? if (svs.time - cl->downloadSendTime > 1000) cl->downloadXmitBlock = cl->downloadClientBlock; else return 0; } // Send current block curindex = (cl->downloadXmitBlock % MAX_DOWNLOAD_WINDOW); MSG_WriteByte( msg, svc_download ); MSG_WriteShort( msg, cl->downloadXmitBlock ); // block zero is special, contains file size if ( cl->downloadXmitBlock == 0 ) MSG_WriteLong( msg, cl->downloadSize ); MSG_WriteShort( msg, cl->downloadBlockSize[curindex] ); // Write the block if(cl->downloadBlockSize[curindex]) MSG_WriteData(msg, cl->downloadBlocks[curindex], cl->downloadBlockSize[curindex]); Com_DPrintf( "clientDownload: %d : writing block %d\n", (int) (cl - svs.clients), cl->downloadXmitBlock ); // Move on to the next block // It will get sent with next snap shot. The rate will keep us in line. cl->downloadXmitBlock++; cl->downloadSendTime = svs.time; return 1; }