static void Com_SetupDownload(const char *remote, const char *filename)
{
dld.bWWWDl = qtrue;
dld.bWWWDlDisconnected = qtrue;
// download format: @remotename@localname
Q_strncpyz(dld.downloadList, va("@%s@%s", filename, filename), MAX_INFO_STRING);
Q_strncpyz(dld.originalDownloadName, va("%s/%s", Cvar_VariableString("fs_game"), filename), sizeof(dld.originalDownloadName));
Q_strncpyz(dld.downloadName, va("%s/%s", remote, filename), sizeof(dld.downloadName));
Q_strncpyz(dld.downloadTempName, FS_BuildOSPath(Cvar_VariableString("fs_homepath"), Cvar_VariableString("fs_game"), va("%s.tmp", filename)), sizeof(dld.downloadTempName));
if (!DL_BeginDownload(dld.downloadTempName, dld.downloadName))
{
Com_Error(ERR_DROP, "Could not download file: \"%s\"", dld.downloadName);
dld.bWWWDlAborting = qtrue;
}
}
/*
=====================
CL_ParseDownload
A download message has been received from the server
=====================
*/
void CL_ParseDownload( msg_t *msg )
{
int size;
unsigned char data[ MAX_MSGLEN ];
int block;
if ( !*cls.downloadTempName )
{
Com_Printf("%s", _( "Server sending download, but no download was requested\n" ));
CL_AddReliableCommand( "stopdl" );
return;
}
// read the data
block = MSG_ReadShort( msg );
// TTimo - www dl
// if we haven't acked the download redirect yet
if ( block == -1 )
{
if ( !clc.bWWWDl )
{
// server is sending us a www download
Q_strncpyz( cls.originalDownloadName, cls.downloadName, sizeof( cls.originalDownloadName ) );
Q_strncpyz( cls.downloadName, MSG_ReadString( msg ), sizeof( cls.downloadName ) );
clc.downloadSize = MSG_ReadLong( msg );
clc.downloadFlags = MSG_ReadLong( msg );
Cvar_SetValue( "cl_downloadSize", clc.downloadSize );
Com_DPrintf( "Server redirected download: %s\n", cls.downloadName );
clc.bWWWDl = qtrue; // activate wwwdl client loop
CL_AddReliableCommand( "wwwdl ack" );
// make sure the server is not trying to redirect us again on a bad checksum
if ( strstr( clc.badChecksumList, va( "@%s", cls.originalDownloadName ) ) )
{
Com_Printf(_( "refusing redirect to %s by server (bad checksum)\n"), cls.downloadName );
CL_AddReliableCommand( "wwwdl fail" );
clc.bWWWDlAborting = qtrue;
return;
}
// make downloadTempName an OS path
Q_strncpyz( cls.downloadTempName, FS_BuildOSPath( Cvar_VariableString( "fs_homepath" ), cls.downloadTempName, "" ),
sizeof( cls.downloadTempName ) );
cls.downloadTempName[ strlen( cls.downloadTempName ) - 1 ] = '\0';
if ( !DL_BeginDownload( cls.downloadTempName, cls.downloadName, com_developer->integer ) )
{
// setting bWWWDl to false after sending the wwwdl fail doesn't work
// not sure why, but I suspect we have to eat all remaining block -1 that the server has sent us
// still leave a flag so that CL_WWWDownload is inactive
// we count on server sending us a gamestate to start up clean again
CL_AddReliableCommand( "wwwdl fail" );
clc.bWWWDlAborting = qtrue;
Com_Printf(_( "Failed to initialize download for '%s'\n"), cls.downloadName );
}
// Check for a disconnected download
// we'll let the server disconnect us when it gets the bbl8r message
if ( clc.downloadFlags & ( 1 << DL_FLAG_DISCON ) )
{
CL_AddReliableCommand( "wwwdl bbl8r" );
cls.bWWWDlDisconnected = qtrue;
}
return;
}
else
{
// server keeps sending that message till we ack it, eat and ignore
//MSG_ReadLong( msg );
MSG_ReadString( msg );
MSG_ReadLong( msg );
MSG_ReadLong( msg );
return;
}
}
if ( !block )
{
// block zero is special, contains file size
clc.downloadSize = MSG_ReadLong( msg );
Cvar_SetValue( "cl_downloadSize", clc.downloadSize );
if ( clc.downloadSize < 0 )
{
Com_Error( ERR_DROP, "%s", MSG_ReadString( msg ) );
}
}
size = MSG_ReadShort( msg );
if ( size < 0 || size > sizeof( data ) )
{
Com_Error( ERR_DROP, "CL_ParseDownload: Invalid size %d for download chunk.", size );
}
MSG_ReadData( msg, data, size );
if ( clc.downloadBlock != block )
{
Com_DPrintf( "CL_ParseDownload: Expected block %d, got %d\n", clc.downloadBlock, block );
return;
}
// open the file if not opened yet
if ( !clc.download )
{
clc.download = FS_SV_FOpenFileWrite( cls.downloadTempName );
if ( !clc.download )
{
Com_Printf(_( "Could not create %s\n"), cls.downloadTempName );
CL_AddReliableCommand( "stopdl" );
CL_NextDownload();
return;
}
}
if ( size )
{
FS_Write( data, size, clc.download );
}
CL_AddReliableCommand( va( "nextdl %d", clc.downloadBlock ) );
clc.downloadBlock++;
clc.downloadCount += size;
// So UI gets access to it
Cvar_SetValue( "cl_downloadCount", clc.downloadCount );
if ( !size )
{
// A zero length block means EOF
if ( clc.download )
{
FS_FCloseFile( clc.download );
clc.download = 0;
// rename the file
FS_SV_Rename( cls.downloadTempName, cls.downloadName );
}
*cls.downloadTempName = *cls.downloadName = 0;
Cvar_Set( "cl_downloadName", "" );
// send intentions now
// We need this because without it, we would hold the last nextdl and then start
// loading right away. If we take a while to load, the server is happily trying
// to send us that last block over and over.
// Write it twice to help make sure we acknowledge the download
CL_WritePacket();
CL_WritePacket();
// get another file if needed
CL_NextDownload();
}
}
qboolean CL_InitUpdateDownloads(void)
{
#ifdef FEATURE_AUTOUPDATE
if (autoupdate.updateStarted && NET_CompareAdr(autoupdate.autoupdateServer, clc.serverAddress))
{
if (strlen(com_updatefiles->string) > 4)
{
char *updateFile;
char updateFilesRemaining[MAX_TOKEN_CHARS] = "";
clc.bWWWDl = qtrue;
cls.bWWWDlDisconnected = qtrue;
updateFile = strtok(com_updatefiles->string, ";");
if (updateFile == NULL)
{
Com_Error(ERR_AUTOUPDATE, "Could not parse update string.");
}
else
{
// download format: @remotename@localname
Q_strncpyz(clc.downloadList, va("@%s@%s", updateFile, updateFile), MAX_INFO_STRING);
Q_strncpyz(cls.originalDownloadName, updateFile, sizeof(cls.originalDownloadName));
Q_strncpyz(cls.downloadName, va("%s/%s", UPDATE_SERVER_NAME, updateFile), sizeof(cls.downloadName));
Q_strncpyz(cls.downloadTempName,
FS_BuildOSPath(Cvar_VariableString("fs_homepath"), AUTOUPDATE_DIR, va("%s.tmp", cls.originalDownloadName)),
sizeof(cls.downloadTempName));
// TODO: add file size, so UI can show progress bar
//Cvar_SetValue("cl_downloadSize", clc.downloadSize);
if (!DL_BeginDownload(cls.downloadTempName, cls.downloadName))
{
Com_Error(ERR_AUTOUPDATE, "Could not download an update file: \"%s\"", cls.downloadName);
clc.bWWWDlAborting = qtrue;
}
while (1)
{
updateFile = strtok(NULL, ";");
if (updateFile == NULL)
{
break;
}
Q_strcat(updateFilesRemaining, sizeof(updateFilesRemaining), va("%s;", updateFile));
}
if (strlen(updateFilesRemaining) > 4)
{
Cvar_Set("com_updatefiles", updateFilesRemaining);
}
else
{
Cvar_Set("com_updatefiles", "");
}
}
}
return qtrue;
}
#endif // FEATURE_AUTOUPDATE
return qfalse;
}
