-/***********************************************************
-* Rocks'n'Diamonds -- McDuffin Strikes Back! *
-*----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* network.c *
-***********************************************************/
-
-#include "libgame/platform.h"
-
-#if defined(NETWORK_AVALIABLE)
+// ============================================================================
+// Rocks'n'Diamonds - McDuffin Strikes Back!
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// network.c
+// ============================================================================
#include <signal.h>
#include <sys/time.h>
-#if defined(TARGET_SDL)
-#include "main.h"
-#else
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#endif
-
#include "libgame/libgame.h"
#include "network.h"
#include "netserv.h"
+#include "main.h"
#include "game.h"
#include "tape.h"
#include "files.h"
/* server stuff */
-#if defined(TARGET_SDL)
-static TCPsocket sfd; /* server socket */
+static TCPsocket sfd; /* TCP server socket */
+static UDPsocket udp; /* UDP server socket */
static SDLNet_SocketSet rfds; /* socket set */
-#else
-static int sfd; /* server socket */
-#endif
static byte realbuffer[512];
static byte readbuffer[MAX_BUFFER_SIZE], writbuffer[MAX_BUFFER_SIZE];
static byte *buffer = realbuffer + 4;
static int nread = 0, nwrite = 0;
+static boolean stop_network_game = FALSE;
+static boolean stop_network_client = FALSE;
+static char stop_network_client_message[MAX_OUTPUT_LINESIZE + 1];
+
+static void DrawNetworkTextExt(char *message, int font_nr, boolean initialize)
+{
+ static int xpos = 0, ypos = 0;
+ static int max_line_width = 0;
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ int ypos_1 = 120;
+ int ypos_2 = 150;
+
+ if (initialize)
+ {
+ if (game_status == GAME_MODE_LOADING)
+ {
+ max_line_width = WIN_XSIZE;
+
+ xpos = (max_line_width - getTextWidth(message, font_nr)) / 2;
+ ypos = ypos_1;
+
+ DrawText(xpos, ypos, message, font_nr);
+
+ xpos = 0;
+ ypos = ypos_2;
+ }
+ else
+ {
+ max_line_width = SXSIZE;
+
+ DrawTextSCentered(ypos_1, font_nr, message);
+
+ /* calculate offset to x position caused by rounding */
+ int max_chars_per_line = max_line_width / font_width;
+ int xoffset = (max_line_width - max_chars_per_line * font_width) / 2;
+
+ xpos = SX + xoffset;
+ ypos = SY + ypos_2;
+ }
+
+ Error(ERR_DEBUG, "========== %s ==========", message);
+ }
+ else
+ {
+ int max_chars_per_line = max_line_width / font_width;
+ int max_lines_per_text = 10;
+ int num_lines_spacing = (font_nr == FC_YELLOW ? 1 : 3);
+ int num_lines_printed = DrawTextBuffer(xpos, ypos, message, font_nr,
+ max_chars_per_line, -1,
+ max_lines_per_text, 0, -1,
+ TRUE, TRUE, FALSE);
+
+ ypos += (num_lines_printed + num_lines_spacing) * font_height;
+
+ Error(ERR_DEBUG, "%s", message);
+ }
+
+ BackToFront();
+}
+
+static void DrawNetworkText(char *message)
+{
+ DrawNetworkTextExt(message, FC_YELLOW, FALSE);
+}
+
+static void DrawNetworkText_Success(char *message)
+{
+ DrawNetworkTextExt(message, FC_GREEN, FALSE);
+}
+
+static void DrawNetworkText_Failed(char *message)
+{
+ DrawNetworkTextExt(message, FC_RED, FALSE);
+}
+
+static void DrawNetworkText_Title(char *message)
+{
+ DrawNetworkTextExt(message, FC_GREEN, TRUE);
+}
static void SendBufferToServer(int size)
{
- if (!options.network)
+ if (!network.enabled)
return;
realbuffer[0] = realbuffer[1] = realbuffer[2] = 0;
nwrite += 4 + size;
/* directly send the buffer to the network server */
-#if defined(TARGET_SDL)
SDLNet_TCP_Send(sfd, writbuffer, nwrite);
-#else
- write(sfd, writbuffer, nwrite);
-#endif
nwrite = 0;
}
return("you");
else
for (player = &first_player; player; player = player->next)
- if (player->nr == player_nr && player->name && strlen(player->name))
+ if (player->nr == player_nr && strlen(player->name) > 0)
return(player->name);
return(EMPTY_PLAYER_NAME);
static void StartNetworkServer(int port)
{
-#if defined(TARGET_SDL)
static int p;
p = port;
- server_thread = SDL_CreateThread(NetworkServerThread, &p);
- network_server = TRUE;
-
+#if defined(TARGET_SDL2)
+ server_thread = SDL_CreateThread(NetworkServerThread,
+ "NetworkServerThread", &p);
#else
-
- switch (fork())
- {
- case 0:
- NetworkServer(port, options.serveronly);
-
- /* never reached */
- exit(0);
-
- case -1:
- Error(ERR_WARN,
- "cannot create network server process - no network playing");
- options.network = FALSE;
- return;
-
- default:
- /* we are parent process -- resume normal operation */
- return;
- }
+ server_thread = SDL_CreateThread(NetworkServerThread, &p);
#endif
+ network_server = TRUE;
}
-#if defined(TARGET_SDL)
boolean ConnectToServer(char *hostname, int port)
{
IPaddress ip;
+ int server_host = 0;
int i;
+ DrawNetworkText_Title("Initializing Network");
+
if (port == 0)
port = DEFAULT_SERVER_PORT;
+ if (hostname == NULL)
+ {
+ // if no hostname given, try to auto-detect network server in local network
+ // by doing a UDP broadcast on the network server port and wait for answer
+
+ SDLNet_SocketSet udp_socket_set = SDLNet_AllocSocketSet(1);
+ if (!udp_socket_set)
+ Error(ERR_EXIT, "SDLNet_AllocSocketSet() failed: %s"), SDLNet_GetError();
+
+ udp = SDLNet_UDP_Open(0);
+ if(!udp)
+ Error(ERR_EXIT, "SDLNet_UDP_Open() failed: %s", SDLNet_GetError());
+
+ if (SDLNet_UDP_AddSocket(udp_socket_set, udp) == -1)
+ Error(ERR_EXIT_NETWORK_SERVER, "SDLNet_TCP_AddSocket() failed: %s"),
+ SDLNet_GetError();
+
+ char *data_ptr = "network server UDB broadcast";
+ int data_len = strlen(data_ptr) + 1;
+ IPaddress ip_address;
+
+ SDLNet_Write32(0xffffffff, &ip_address.host); /* 255.255.255.255 */
+ SDLNet_Write16(port, &ip_address.port);
+
+ UDPpacket packet =
+ {
+ -1,
+ (Uint8 *)data_ptr,
+ data_len,
+ data_len,
+ 0,
+ ip_address
+ };
+
+ SDLNet_UDP_Send(udp, -1, &packet);
+
+ DrawNetworkText("Looking for local network server ...");
+
+ /* wait for any local network server to answer UDP broadcast */
+ for (i = 0; i < 5; i++)
+ {
+ if (SDLNet_CheckSockets(udp_socket_set, 0) == 1)
+ {
+ int num_packets = SDLNet_UDP_Recv(udp, &packet);
+
+ if (num_packets == 1)
+ {
+ DrawNetworkText_Success("Network server found!");
+
+ server_host = SDLNet_Read32(&packet.address.host);
+ }
+ else
+ {
+ DrawNetworkText_Failed("No answer from network server!");
+ }
+
+ break;
+ }
+ else
+ {
+ Delay_WithScreenUpdates(100);
+ }
+ }
+
+ if (server_host == 0)
+ DrawNetworkText_Failed("No network server found!");
+ }
+
rfds = SDLNet_AllocSocketSet(1);
if (hostname)
{
SDLNet_ResolveHost(&ip, hostname, port);
+
if (ip.host == INADDR_NONE)
Error(ERR_EXIT, "cannot locate host '%s'", hostname);
+ else
+ server_host = SDLNet_Read32(&ip.host);
+
+ DrawNetworkText("Connecting to remote host ...");
}
else
{
- SDLNet_Write32(0x7f000001, &ip.host); /* 127.0.0.1 */
- SDLNet_Write16(port, &ip.port);
+ // if no hostname was given and no network server was auto-detected in the
+ // local network, try to connect to a network server at the local host
+ if (server_host == 0)
+ server_host = 0x7f000001; /* 127.0.0.1 */
+
+ SDLNet_Write32(server_host, &ip.host);
+ SDLNet_Write16(port, &ip.port);
+
+ DrawNetworkText("Connecting to local host ...");
}
+ Error(ERR_DEBUG, "trying to connect to network server at %d.%d.%d.%d ...",
+ (server_host >> 24) & 0xff,
+ (server_host >> 16) & 0xff,
+ (server_host >> 8) & 0xff,
+ (server_host >> 0) & 0xff);
+
sfd = SDLNet_TCP_Open(&ip);
if (sfd)
{
SDLNet_TCP_AddSocket(rfds, sfd);
+
+ DrawNetworkText_Success("Successfully connected!");
+
return TRUE;
}
else
{
+ DrawNetworkText_Failed("Failed to connect to network server!");
+
printf("SDLNet_TCP_Open(): %s\n", SDLNet_GetError());
}
if (hostname) /* connect to specified server failed */
return FALSE;
- printf("No rocksndiamonds server on localhost -- starting up one ...\n");
+ DrawNetworkText("Starting new local network server ...");
+
StartNetworkServer(port);
/* wait for server to start up and try connecting several times */
- for (i = 0; i < 6; i++)
+ for (i = 0; i < 30; i++)
{
- Delay(500); /* wait 500 ms == 0.5 seconds */
-
if ((sfd = SDLNet_TCP_Open(&ip))) /* connected */
{
+ DrawNetworkText_Success("Successfully connected!");
+
SDLNet_TCP_AddSocket(rfds, sfd);
return TRUE;
}
- }
-
- /* when reaching this point, connect to newly started server has failed */
- return FALSE;
-}
-
-#else
-
-boolean ConnectToServer(char *hostname, int port)
-{
- struct sockaddr_in s;
- struct protoent *tcpproto;
- int on = 1, i;
-
- if (hostname)
- {
- if ((s.sin_addr.s_addr = inet_addr(hostname)) == -1)
- {
- struct hostent *host;
-
- if ((host = gethostbyname(hostname)) == NULL)
- Error(ERR_EXIT, "cannot locate host '%s'", hostname);
- s.sin_addr = *(struct in_addr *)(host->h_addr_list[0]);
- }
+ Delay_WithScreenUpdates(100);
}
- else
- s.sin_addr.s_addr = inet_addr("127.0.0.1"); /* localhost */
-
- if (port == 0)
- port = DEFAULT_SERVER_PORT;
-
- s.sin_port = htons(port);
- s.sin_family = AF_INET;
- sfd = socket(PF_INET, SOCK_STREAM, 0);
- if (sfd < 0)
- Error(ERR_EXIT, "out of file descriptors");
-
- if ((tcpproto = getprotobyname("tcp")) != NULL)
- setsockopt(sfd, tcpproto->p_proto, TCP_NODELAY, (char *)&on, sizeof(int));
-
- if (connect(sfd, (struct sockaddr *)&s, sizeof(s)) == 0) /* connected */
- return TRUE;
-
- if (hostname) /* connect to specified server failed */
- return FALSE;
-
- printf("No rocksndiamonds server on localhost -- starting up one ...\n");
- StartNetworkServer(port);
-
- /* wait for server to start up and try connecting several times */
- for (i = 0; i < 6; i++)
- {
- Delay(500); /* wait 500 ms == 0.5 seconds */
- close(sfd);
-
- sfd = socket(PF_INET, SOCK_STREAM, 0);
- if (sfd < 0)
- Error(ERR_EXIT, "out of file descriptors");
-
- setsockopt(sfd, tcpproto->p_proto, TCP_NODELAY, (char *)&on, sizeof(int));
-
- if (connect(sfd, (struct sockaddr *)&s, sizeof(s)) >= 0) /* connected */
- return TRUE;
- }
+ DrawNetworkText_Failed("Failed to connect to network server!");
/* when reaching this point, connect to newly started server has failed */
return FALSE;
}
-#endif /* defined(TARGET_SDL) */
void SendToServer_PlayerName(char *player_name)
{
void SendToServer_StartPlaying()
{
- unsigned long new_random_seed = InitRND(NEW_RANDOMIZE);
+ unsigned int new_random_seed = InitRND(level.random_seed);
int dummy = 0; /* !!! HAS NO MEANING ANYMORE !!! */
/* the name of the level must be enough */
SendBufferToServer(2);
}
-void SendToServer_StopPlaying()
+void SendToServer_StopPlaying(int cause_for_stopping)
{
buffer[1] = OP_STOP_PLAYING;
+ buffer[2] = cause_for_stopping;
- SendBufferToServer(2);
+ SendBufferToServer(3);
}
void SendToServer_MovePlayer(byte player_action)
static void Handle_OP_BAD_PROTOCOL_VERSION()
{
Error(ERR_WARN, "protocol version mismatch");
- Error(ERR_EXIT, "server expects %d.%d.x instead of %d.%d.%d",
+ Error(ERR_WARN, "server expects %d.%d.x instead of %d.%d.%d",
buffer[2], buffer[3],
PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, PROTOCOL_VERSION_3);
+
+ sprintf(stop_network_client_message, "Network protocol version mismatch! Server expects version %d.%d.x instead of %d.%d.%d!",
+ buffer[2], buffer[3],
+ PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, PROTOCOL_VERSION_3);
+
+ stop_network_client = TRUE;
}
static void Handle_OP_YOUR_NUMBER()
if (old_local_player != new_local_player)
{
- /* copy existing player settings and change to new player */
+ /* set relevant player settings and change to new player */
- *new_local_player = *old_local_player;
- old_local_player->connected = FALSE;
local_player = new_local_player;
+
+ old_local_player->connected_locally = FALSE;
+ new_local_player->connected_locally = TRUE;
+
+ old_local_player->connected_network = FALSE;
+ new_local_player->connected_network = TRUE;
}
if (first_player.nr > MAX_PLAYERS)
Error(ERR_EXIT, "sorry, more than %d players not allowed", MAX_PLAYERS);
Error(ERR_NETWORK_CLIENT, "you get client # %d", new_client_nr);
+
+ stored_player[new_index_nr].connected_network = TRUE;
}
static void Handle_OP_NUMBER_WANTED()
if (old_client_nr != new_client_nr)
{
- /* copy existing player settings and change to new player */
+ /* set relevant player settings and change to new player */
- *new_player = *old_player;
- old_player->connected = FALSE;
+ old_player->connected_network = FALSE;
+ new_player->connected_network = TRUE;
}
player = getNetworkPlayer(old_client_nr);
player->nr = new_client_nr;
if (old_player == local_player) /* local player switched */
+ {
local_player = new_player;
+
+ old_player->connected_locally = FALSE;
+ new_player->connected_locally = TRUE;
+ }
}
else if (old_client_nr == first_player.nr) /* failed -- local player? */
{
- char *color[] = { "yellow", "red", "green", "blue" };
char request[100];
- sprintf(request, "Sorry ! %s player still exists ! You are %s player !",
- color[index_nr_wanted], color[new_index_nr]);
+ sprintf(request, "Sorry! Player %d already exists! You are player %d!",
+ index_nr_wanted + 1, new_index_nr + 1);
+
Request(request, REQ_CONFIRM);
Error(ERR_NETWORK_CLIENT, "cannot switch -- you keep client # %d",
new_client_nr);
}
+
+ if (game_status == GAME_MODE_MAIN)
+ DrawNetworkPlayers();
}
static void Handle_OP_PLAYER_NAME(unsigned int len)
player->name[0] = '\0';
player->next = NULL;
- stored_player[new_index_nr].connected = TRUE;
+ stored_player[new_index_nr].connected_network = TRUE;
}
static void Handle_OP_PLAYER_DISCONNECTED()
{
struct NetworkClientPlayerInfo *player, *player_disconnected;
int player_nr = (int)buffer[0];
+ int index_nr = player_nr - 1;
printf("OP_PLAYER_DISCONNECTED: %d\n", player_nr);
player_disconnected = getNetworkPlayer(player_nr);
if (player->next == player_disconnected)
player->next = player_disconnected->next;
free(player_disconnected);
+
+ stored_player[index_nr].connected_locally = FALSE;
+ stored_player[index_nr].connected_network = FALSE;
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ char message[100];
+
+ sprintf(message, "Player %d left network server! Network game stopped!",
+ player_nr);
+
+ Request(message, REQ_CONFIRM | REQ_STAY_CLOSED);
+
+ SetGameStatus(GAME_MODE_MAIN);
+
+ DrawMainMenu();
+ }
+ else if (game_status == GAME_MODE_MAIN)
+ {
+ DrawNetworkPlayers();
+ }
}
static void Handle_OP_START_PLAYING()
{
LevelDirTree *new_leveldir;
int new_level_nr;
- int dummy;
- unsigned long new_random_seed;
+ unsigned int new_random_seed;
char *new_leveldir_identifier;
new_level_nr = (buffer[2] << 8) + buffer[3];
- dummy = (buffer[4] << 8) + buffer[5]; /* (obsolete) */
new_random_seed =
(buffer[6] << 24) | (buffer[7] << 16) | (buffer[8] << 8) | (buffer[9]);
new_leveldir_identifier = (char *)&buffer[10];
{
Error(ERR_WARN, "no such level identifier: '%s'", new_leveldir_identifier);
- new_leveldir = leveldir_first;
- Error(ERR_WARN, "using default level set: '%s'", new_leveldir->identifier);
+ stop_network_game = TRUE;
+
+ return;
}
printf("OP_START_PLAYING: %d\n", buffer[0]);
LoadTape(level_nr);
LoadLevel(level_nr);
-#if 1
StartGameActions(FALSE, setup.autorecord, new_random_seed);
-#else
- if (setup.autorecord)
- TapeStartRecording();
-
- if (tape.recording)
- tape.random_seed = new_random_seed;
-
- InitRND(new_random_seed);
-
- game_status = GAME_MODE_PLAYING;
- InitGame();
-#endif
}
static void Handle_OP_PAUSE_PLAYING()
printf("OP_PAUSE_PLAYING: %d\n", buffer[0]);
Error(ERR_NETWORK_CLIENT, "client %d pauses game", buffer[0]);
- tape.pausing = TRUE;
- DrawVideoDisplay(VIDEO_STATE_PAUSE_ON,0);
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ tape.pausing = TRUE;
+ DrawVideoDisplay(VIDEO_STATE_PAUSE_ON,0);
+ }
}
static void Handle_OP_CONTINUE_PLAYING()
printf("OP_CONTINUE_PLAYING: %d\n", buffer[0]);
Error(ERR_NETWORK_CLIENT, "client %d continues game", buffer[0]);
- tape.pausing = FALSE;
- DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ tape.pausing = FALSE;
+ DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
+ }
}
static void Handle_OP_STOP_PLAYING()
{
- printf("OP_STOP_PLAYING: %d\n", buffer[0]);
- Error(ERR_NETWORK_CLIENT, "client %d stops game", buffer[0]);
+ printf("OP_STOP_PLAYING: %d [%d]\n", buffer[0], buffer[2]);
+ Error(ERR_NETWORK_CLIENT, "client %d stops game [%d]", buffer[0], buffer[2]);
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ int client_nr = buffer[0];
+ int index_nr = client_nr - 1;
+ struct PlayerInfo *client_player = &stored_player[index_nr];
+ boolean stopped_by_remote_player = (!client_player->connected_locally);
+ char message[100];
+
+ sprintf(message, (buffer[2] == NETWORK_STOP_BY_PLAYER ?
+ "Network game stopped by player %d!" :
+ buffer[2] == NETWORK_STOP_BY_ERROR ?
+ "Network game stopped due to internal error!" :
+ "Network game stopped!"), client_nr);
+
+ if (buffer[2] != NETWORK_STOP_BY_PLAYER || stopped_by_remote_player)
+ Request(message, REQ_CONFIRM | REQ_STAY_CLOSED);
+
+ SetGameStatus(GAME_MODE_MAIN);
- game_status = GAME_MODE_MAIN;
- DrawMainMenu();
+ DrawMainMenu();
+ }
}
static void Handle_OP_MOVE_PLAYER(unsigned int len)
if (server_frame_counter != FrameCounter)
{
- Error(ERR_RETURN, "client and servers frame counters out of sync");
- Error(ERR_RETURN, "frame counter of client is %d", FrameCounter);
- Error(ERR_RETURN, "frame counter of server is %d", server_frame_counter);
- Error(ERR_EXIT, "this should not happen -- please debug");
+ Error(ERR_INFO, "client and servers frame counters out of sync");
+ Error(ERR_INFO, "frame counter of client is %d", FrameCounter);
+ Error(ERR_INFO, "frame counter of server is %d", server_frame_counter);
+ Error(ERR_INFO, "this should not happen -- please debug");
+
+ stop_network_game = TRUE;
+
+ return;
}
/* copy valid player actions */
for (i = 0; i < MAX_PLAYERS; i++)
stored_player[i].effective_action =
- (i < len - 6 && stored_player[i].active ? buffer[6 + i] : 0);
+ (i < len - 6 ? buffer[6 + i] : 0);
network_player_action_received = TRUE;
}
{
unsigned int message_length;
+ stop_network_game = FALSE;
+
while (nread >= 4 && nread >= 4 + readbuffer[3])
{
message_length = readbuffer[3];
nread -= 4 + message_length;
memmove(readbuffer, readbuffer + 4 + message_length, nread);
- switch(buffer[1])
+ switch (buffer[1])
{
case OP_BAD_PROTOCOL_VERSION:
Handle_OP_BAD_PROTOCOL_VERSION();
}
fflush(stdout);
+
+ /* in case of internal error, stop network game */
+ if (stop_network_game)
+ SendToServer_StopPlaying(NETWORK_STOP_BY_ERROR);
}
-/* TODO */
+static char *HandleNetworkingPackets()
+{
+ while (1)
+ {
+ /* ---------- check network server for activity ---------- */
+
+ int num_active_sockets = SDLNet_CheckSockets(rfds, 1);
-void HandleNetworking()
+ if (num_active_sockets < 0)
+ return "Error checking network sockets!";
+
+ if (num_active_sockets == 0)
+ break; // no active sockets, stop here
+
+ /* ---------- read packets from network server ---------- */
+
+ int num_bytes = SDLNet_TCP_Recv(sfd, readbuffer + nread, 1);
+
+ if (num_bytes < 0)
+ return "Error reading from network server!";
+
+ if (num_bytes == 0)
+ return "Connection to network server lost!";
+
+ nread += num_bytes;
+
+ HandleNetworkingMessages();
+
+ if (stop_network_client)
+ return stop_network_client_message;
+ }
+
+ return NULL;
+}
+
+static void FreeNetworkClientPlayerInfo(struct NetworkClientPlayerInfo *player)
{
-#if !defined(TARGET_SDL)
- static struct timeval tv = { 0, 0 };
- fd_set rfds;
-#endif
- int r = 0;
+ if (player == NULL)
+ return;
- do
- {
-#if defined(TARGET_SDL)
- if ((r = SDLNet_CheckSockets(rfds, 1)) < 0)
- Error(ERR_EXIT, "HandleNetworking(): SDLNet_CheckSockets() failed");
+ if (player->next)
+ FreeNetworkClientPlayerInfo(player->next);
-#else
+ checked_free(player);
+}
- FD_ZERO(&rfds);
- FD_SET(sfd, &rfds);
+static void HandleNetworkingDisconnect()
+{
+ int i;
- r = select(sfd + 1, &rfds, NULL, NULL, &tv);
+ SDLNet_TCP_DelSocket(rfds, sfd);
+ SDLNet_TCP_Close(sfd);
- if (r < 0 && errno != EINTR)
- Error(ERR_EXIT, "HandleNetworking(): select() failed");
+ network_playing = FALSE;
- if (r < 0)
- FD_ZERO(&rfds);
-#endif
+ network.enabled = FALSE;
+ network.connected = FALSE;
-#if defined(TARGET_SDL)
- if (r > 0)
-#else
- if (FD_ISSET(sfd, &rfds))
-#endif
- {
-#if defined(TARGET_SDL)
- r = SDLNet_TCP_Recv(sfd, readbuffer + nread, 1);
-#else
- r = read(sfd, readbuffer + nread, MAX_BUFFER_SIZE - nread);
-#endif
+ setup.network_mode = FALSE;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ stored_player[i].connected_network = FALSE;
+
+ FreeNetworkClientPlayerInfo(first_player.next);
+
+ first_player.nr = 0;
+ first_player.next = NULL;
+}
- if (r < 0)
- Error(ERR_EXIT, "error reading from network server");
+void HandleNetworking()
+{
+ char *error_message = HandleNetworkingPackets();
- if (r == 0)
- Error(ERR_EXIT, "connection to network server lost");
+ if (error_message != NULL)
+ {
+ HandleNetworkingDisconnect();
- nread += r;
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ Request(error_message, REQ_CONFIRM | REQ_STAY_CLOSED);
- HandleNetworkingMessages();
+ SetGameStatus(GAME_MODE_MAIN);
+
+ DrawMainMenu();
+ }
+ else
+ {
+ Request(error_message, REQ_CONFIRM);
+
+ if (game_status == GAME_MODE_MAIN)
+ ClearNetworkPlayers();
}
}
- while (r > 0);
}
-#endif /* PLATFORM_UNIX */
+void DisconnectFromNetworkServer()
+{
+ DrawNetworkText_Title("Terminating Network");
+ DrawNetworkText("Disconnecting from network server ...");
+
+ HandleNetworkingDisconnect();
+
+ DrawNetworkText_Success("Successfully disconnected!");
+
+ /* short time to recognize result of network initialization */
+ Delay_WithScreenUpdates(1000);
+}
projects / rocksndiamonds.git / blobdiff