cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000", "upper limit on client rate cvar, should reflect your network connection quality"};
+cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
+cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
+cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
extern cvar_t sv_random_seed;
extern void SV_Phys_Init (void);
extern void SV_World_Init (void);
static void SV_SaveEntFile_f(void);
+static void SV_StartDownload_f(void);
+static void SV_Download_f(void);
/*
===============
Cvar_RegisterVariable (&csqc_progcrc);
Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
+ Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
+ Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
Cvar_RegisterVariable (&sv_maxvelocity);
Cvar_RegisterVariable (&sv_gravity);
Cvar_RegisterVariable (&sv_friction);
Cvar_RegisterVariable (&sv_protocolname);
Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
Cvar_RegisterVariable (&sv_maxrate);
+ Cvar_RegisterVariable (&sv_allowdownloads);
+ Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
+ Cvar_RegisterVariable (&sv_allowdownloads_archive);
Cvar_RegisterVariable (&sv_progs);
SV_VM_Init();
}
}
+ if (sv_allowdownloads.integer)
+ {
+ MSG_WriteByte (&client->netconnection->message, svc_stufftext);
+ MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 1");
+ }
+
MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
MSG_WriteByte (&client->netconnection->message, svs.maxclients);
static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
void SV_SendClientDatagram (client_t *client)
{
- int rate, maxrate, maxsize, maxsize2;
+ int rate, maxrate, maxsize, maxsize2, downloadsize;
sizebuf_t msg;
int stats[MAX_CL_STATS];
maxsize2 = 1400;
}
+ // while downloading, limit entity updates to half the packet
+ // (any leftover space will be used for downloading)
+ if (host_client->download_file)
+ maxsize /= 2;
+
msg.data = sv_sendclientdatagram_buf;
msg.maxsize = maxsize;
msg.cursize = 0;
{
// the player isn't totally in the game yet
// send small keepalive messages if too much time has passed
+ msg.maxsize = maxsize2;
client->keepalivetime = realtime + 5;
MSG_WriteChar (&msg, svc_nop);
}
+ msg.maxsize = maxsize2;
+
+ // if a download is active, see if there is room to fit some download data
+ // in this packet
+ downloadsize = maxsize * 2 - msg.cursize - 7;
+ if (host_client->download_file && host_client->download_started && downloadsize > 0)
+ {
+ fs_offset_t downloadstart;
+ unsigned char data[1400];
+ downloadstart = FS_Tell(host_client->download_file);
+ downloadsize = min(downloadsize, (int)sizeof(data));
+ downloadsize = FS_Read(host_client->download_file, data, downloadsize);
+ // note this sends empty messages if at the end of the file, which is
+ // necessary to keep the packet loss logic working
+ // (the last blocks may be lost and need to be re-sent, and that will
+ // only occur if the client acks the empty end messages, revealing
+ // a gap in the download progress, causing the last blocks to be
+ // sent again)
+ MSG_WriteChar (&msg, svc_downloaddata);
+ MSG_WriteLong (&msg, downloadstart);
+ MSG_WriteShort (&msg, downloadsize);
+ if (downloadsize > 0)
+ SZ_Write (&msg, data, downloadsize);
+ }
+
// send the datagram
NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol);
}
SV_CleanupEnts();
}
+void SV_StartDownload_f(void)
+{
+ if (host_client->download_file)
+ host_client->download_started = true;
+}
+
+void SV_Download_f(void)
+{
+ const char *whichpack, *whichpack2, *extension;
+
+ if (Cmd_Argc() != 2)
+ {
+ SV_ClientPrintf("usage: download <filename>\n");
+ return;
+ }
+
+ if (FS_CheckNastyPath(Cmd_Argv(1), false))
+ {
+ SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
+ return;
+ }
+
+ if (host_client->download_file)
+ {
+ // at this point we'll assume the previous download should be aborted
+ Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
+ Host_ClientCommands("\nstopdownload\n");
+
+ // close the file and reset variables
+ FS_Close(host_client->download_file);
+ host_client->download_file = NULL;
+ host_client->download_name[0] = 0;
+ host_client->download_expectedposition = 0;
+ host_client->download_started = false;
+ }
+
+ if (!sv_allowdownloads.integer)
+ {
+ SV_ClientPrintf("Downloads are disabled on this server\n");
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+
+ strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
+
+ // host_client is asking to download a specified file
+ if (developer.integer >= 100)
+ Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
+
+ if (!FS_FileExists(host_client->download_name))
+ {
+ SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+
+ // check if the user is trying to download part of registered Quake(r)
+ whichpack = FS_WhichPack(host_client->download_name);
+ whichpack2 = FS_WhichPack("gfx/pop.lmp");
+ if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
+ {
+ SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+
+ // check if the server has forbidden archive downloads entirely
+ if (!sv_allowdownloads_inarchive.integer)
+ {
+ whichpack = FS_WhichPack(host_client->download_name);
+ if (whichpack)
+ {
+ SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+ }
+
+ if (!sv_allowdownloads_archive.integer)
+ {
+ extension = FS_FileExtension(host_client->download_name);
+ if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
+ {
+ SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+ }
+
+ host_client->download_file = FS_Open(host_client->download_name, "rb", true, false);
+ if (!host_client->download_file)
+ {
+ SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
+ Host_ClientCommands("\nstopdownload\n");
+ return;
+ }
+
+ if (FS_FileSize(host_client->download_file) > 1<<30)
+ {
+ SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
+ Host_ClientCommands("\nstopdownload\n");
+ FS_Close(host_client->download_file);
+ host_client->download_file = NULL;
+ return;
+ }
+
+ Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
+
+ Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
+
+ host_client->download_expectedposition = 0;
+ host_client->download_started = false;
+
+ // the rest of the download process is handled in SV_SendClientDatagram
+ // and other code dealing with svc_downloaddata and clc_ackdownloaddata
+ //
+ // no svc_downloaddata messages will be sent until sv_startdownload is
+ // sent by the client
+}
/*
==============================================================================
projects / xonotic / darkplaces.git / blobdiff