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fix and cleanup linux client to move to using tcp. Add the ability to

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deal with socket dying and (maybe) being replaced.  Only connect on
demand now, when first packet's ready to go.
This commit is contained in:
ehouse 2005-03-19 22:07:53 +00:00
parent 820664d212
commit 3d54ec402a
5 changed files with 122 additions and 76 deletions
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86
linux/cursesmain.c
View file

@ -83,16 +83,6 @@ cursesUserError( CursesAppGlobals* globals, char* format, ... )
va_end(ap);
} /* cursesUserError */
static void
curses_util_listenPortChange( XW_UtilCtxt* uc, XP_U16 newPort )
{
CursesAppGlobals* globals = (CursesAppGlobals*)uc->closure;
XP_LOGF( "listenPortChange called: not sure what to do" );
/* if this isn't true, need to tear down and rebind socket */
XP_ASSERT( newPort == globals->cGlobals.params->defaultListenPort );
} /* curses_util_listenPortChange */
static XP_S16
curses_util_userPickTile( XW_UtilCtxt* uc, const PickInfo* pi, XP_U16 playerNum,
const XP_UCHAR4* texts, XP_U16 nTiles )
@ -598,13 +588,40 @@ cursesListenOnSocket( CursesAppGlobals* globals, int newSock,
globals->fdArray[globals->fdCount].fd = newSock;
globals->fdArray[globals->fdCount].events = POLLIN;
globals->streams[globals->fdCount] = stream;
++globals->fdCount;
XP_LOGF( "listenOnSocket: there are now %d sources to poll",
globals->fdCount );
} /* cursesListenOnSocket */
static void
curses_stop_listening( CursesAppGlobals* globals, int sock )
{
int count = globals->fdCount;
int i, found = 0;
for ( i = 0; i < count; ++i ) {
if ( globals->fdArray[i].fd == sock ) {
found = 1;
} else if ( found ) {
globals->fdArray[i-1].fd = globals->fdArray[i].fd;
}
}
assert( found );
--globals->fdCount;
} /* curses_stop_listening */
static void
curses_socket_changed( void* closure, int oldSock, int newSock )
{
CursesAppGlobals* globals = (CursesAppGlobals*)closure;
if ( oldSock != -1 ) {
curses_stop_listening( globals, oldSock );
}
if ( newSock != -1 ) {
cursesListenOnSocket( globals, newSock, NULL );
}
} /* curses_socket_changed */
/*
* Ok, so this doesn't block yet....
@ -661,17 +678,18 @@ blocking_gotEvent( CursesAppGlobals* globals, int* ch )
CommsAddrRec addrRec;
XP_MEMSET( &addrRec, 0, sizeof(addrRec) );
addrRec.conType = COMMS_CONN_IP;
addrRec.conType = COMMS_CONN_RELAY;
addrRec.u.ip.ipAddr = ntohl(addr_sock.sin_addr.s_addr);
addrRec.u.ip_relay.ipAddr =
ntohl(addr_sock.sin_addr.s_addr);
XP_LOGF( "captured incomming ip address: 0x%lx",
addrRec.u.ip.ipAddr );
addrRec.u.ip_relay.ipAddr );
if ( comms_checkIncomingStream(globals->cGlobals.game.comms,
inboundS,
&addrRec ) ) {
XP_LOGF( "comms read port: %d",
addrRec.u.ip.port );
addrRec.u.ip_relay.port );
redraw =
server_receiveMessage( globals->cGlobals.game.server,
inboundS );
@ -777,7 +795,7 @@ cursesSendOnClose( XWStreamCtxt* stream, void* closure )
CursesAppGlobals* globals = (CursesAppGlobals*)closure;
XP_LOGF( "cursesSendOnClose called" );
result = comms_send( globals->cGlobals.game.comms, COMMS_CONN_IP, stream );
result = comms_send( globals->cGlobals.game.comms, stream );
} /* cursesSendOnClose */
static XWStreamCtxt*
@ -814,8 +832,6 @@ setupCursesUtilCallbacks( CursesAppGlobals* globals, XW_UtilCtxt* util )
util->vtable->m_util_setTimer = curses_util_setTimer;
util->vtable->m_util_requestTime = curses_util_requestTime;
util->vtable->m_util_listenPortChange = curses_util_listenPortChange;
util->closure = globals;
} /* setupCursesUtilCallbacks */
@ -825,7 +841,7 @@ sendOnClose( XWStreamCtxt* stream, void* closure )
CursesAppGlobals* globals = closure;
XP_LOGF( "curses sendOnClose called" );
XP_ASSERT( !!globals->cGlobals.game.comms );
comms_send( globals->cGlobals.game.comms, COMMS_CONN_IP, stream );
comms_send( globals->cGlobals.game.comms, stream );
} /* sendOnClose */
static XP_Bool
@ -858,7 +874,6 @@ void
cursesmain( XP_Bool isServer, LaunchParams* params )
{
int piperesult;
int sock;
DictionaryCtxt* dict;
CommsAddrRec addr;
XP_U16 gameID;
@ -869,6 +884,9 @@ cursesmain( XP_Bool isServer, LaunchParams* params )
globals.cGlobals.params = params;
globals.cGlobals.socket = -1;
globals.cGlobals.socketChanged = curses_socket_changed;
globals.cGlobals.socketChangedClosure = &globals;
globals.cp.showBoardArrow = XP_TRUE;
globals.cp.showRobotScores = params->showRobotScores;
@ -883,11 +901,8 @@ cursesmain( XP_Bool isServer, LaunchParams* params )
piperesult = pipe( globals.timepipe );
XP_ASSERT( piperesult == 0 );
cursesListenOnSocket( &globals, globals.timepipe[0], NULL ); /* reader pipe */
sock = linux_init_socket( &globals.cGlobals );
cursesListenOnSocket( &globals, sock, NULL );
/* reader pipe */
cursesListenOnSocket( &globals, globals.timepipe[0], NULL );
signal( SIGWINCH, SIGWINCH_handler );
initCurses( &globals );
@ -898,11 +913,14 @@ cursesmain( XP_Bool isServer, LaunchParams* params )
params->util, (DrawCtx*)globals.draw,
gameID, &globals.cp, linux_tcp_send, &globals );
addr.conType = COMMS_CONN_IP;
addr.u.ip.ipAddr = 0; /* ??? */
addr.u.ip.port = params->defaultSendPort;
comms_setAddr( globals.cGlobals.game.comms,
&addr, params->defaultListenPort );
addr.conType = COMMS_CONN_RELAY;
addr.u.ip_relay.ipAddr = 0; /* ??? */
addr.u.ip_relay.port = params->defaultSendPort;
XP_STRNCPY( addr.u.ip_relay.hostName, params->relayName,
sizeof(addr.u.ip_relay.hostName) - 1 );
XP_STRNCPY( addr.u.ip_relay.cookie, params->cookie,
sizeof(addr.u.ip_relay.cookie) - 1 );
comms_setAddr( globals.cGlobals.game.comms, &addr );
model_setDictionary( globals.cGlobals.game.model, params->dict );
@ -926,12 +944,6 @@ cursesmain( XP_Bool isServer, LaunchParams* params )
&globals,
(XP_PlayerAddr)0,
sendOnClose ) );
#if 0
cursesListenOnSocket(
&globals, NULL, /* replaces below */
/* linux_getStreamSocket( params->info.clientInfo.stream ), */
params->info.clientInfo.stream );
#endif
} else {
cursesUserError( &globals, "Unable to open connection to server");
exit( 0 );

1
linux/cursesmain.h
View file

@ -95,7 +95,6 @@ struct CursesAppGlobals {
struct sockaddr_in listenerSockAddr;
short fdCount;
struct pollfd fdArray[FD_MAX]; /* one for stdio, one for listening socket */
XWStreamCtxt* streams[FD_MAX]; /* [0], for stdin, will be null.... */
int timepipe[2]; /* for reading/writing "user events" */
};

53
linux/gtkmain.c
View file

@ -249,9 +249,11 @@ createOrLoadObjects( GtkAppGlobals* globals, GtkWidget *widget )
stream_destroy( stream );
} else { /* not reading from a saved file */
XP_U16 gameID = (XP_U16)util_getCurSeconds( globals->cGlobals.params->util );
XP_U16 gameID;
CommsAddrRec addr;
gameID = (XP_U16)util_getCurSeconds( globals->cGlobals.params->util );
XP_ASSERT( !!params->relayName );
globals->cGlobals.defaultServerName = params->relayName;
@ -262,11 +264,16 @@ createOrLoadObjects( GtkAppGlobals* globals, GtkWidget *widget )
params->util, (DrawCtx*)globals->draw,
gameID, &globals->cp, linux_tcp_send, globals );
addr.conType = COMMS_CONN_IP;
addr.u.ip.ipAddr = 0; /* ??? */
addr.u.ip.port = params->defaultSendPort;
comms_setAddr( globals->cGlobals.game.comms,
&addr, params->defaultListenPort );
addr.conType = COMMS_CONN_RELAY;
addr.u.ip_relay.ipAddr = 0;
addr.u.ip_relay.port = params->defaultSendPort;
XP_STRNCPY( addr.u.ip_relay.hostName, params->relayName,
sizeof(addr.u.ip_relay.hostName) - 1 );
XP_STRNCPY( addr.u.ip_relay.cookie, params->cookie,
sizeof(addr.u.ip_relay.cookie) - 1 );
/* This may trigger network activity */
comms_setAddr( globals->cGlobals.game.comms, &addr );
model_setDictionary( globals->cGlobals.game.model, params->dict );
@ -1141,18 +1148,6 @@ gtk_util_makeStreamFromAddr(XW_UtilCtxt* uc, XP_PlayerAddr channelNo )
return stream;
} /* gtk_util_makeStreamFromAddr */
static void
gtk_util_listenPortChange( XW_UtilCtxt* uc, XP_U16 newPort )
{
#ifdef DEBUG
GtkAppGlobals* globals = (GtkAppGlobals*)uc->closure;
#endif
XP_LOGF( "listenPortChange called: not sure what to do" );
/* if this isn't true, need to tear down and rebind socket */
XP_ASSERT( newPort == globals->cGlobals.params->defaultListenPort );
} /* gtk_util_listenPortChange */
#ifdef XWFEATURE_SEARCHLIMIT
static XP_Bool
gtk_util_getTraySearchLimits( XW_UtilCtxt* uc, XP_U16* min, XP_U16* max )
@ -1394,10 +1389,6 @@ setupGtkUtilCallbacks( GtkAppGlobals* globals, XW_UtilCtxt* util )
util->vtable->m_util_getTraySearchLimits = gtk_util_getTraySearchLimits;
#endif
#ifdef BEYOND_IR
util->vtable->m_util_listenPortChange = gtk_util_listenPortChange;
#endif
util->closure = globals;
} /* setupGtkUtilCallbacks */
@ -1470,6 +1461,19 @@ gtkListenOnSocket( GtkAppGlobals* globals, int newSock )
XP_LOGF( "g_io_add_watch => %d", result );
} /* gtkListenOnSocket */
static void
gtk_socket_changed( void* closure, int oldSock, int newSock )
{
GtkAppGlobals* globals = (GtkAppGlobals*)closure;
if ( oldSock != -1 ) {
g_source_remove( oldSock );
XP_LOGF( "Removed %d from gtk's list of listened-to sockets" );
}
if ( newSock != -1 ) {
gtkListenOnSocket( globals, newSock );
}
}
static void
sendOnClose( XWStreamCtxt* stream, void* closure )
{
@ -1477,7 +1481,7 @@ sendOnClose( XWStreamCtxt* stream, void* closure )
GtkAppGlobals* globals = closure;
XP_LOGF( "sendOnClose called" );
result = comms_send( globals->cGlobals.game.comms, COMMS_CONN_IP, stream );
result = comms_send( globals->cGlobals.game.comms, stream );
} /* sendOnClose */
static void
@ -1507,6 +1511,9 @@ gtkmain( XP_Bool isServer, LaunchParams* params, int argc, char *argv[] )
globals.cGlobals.lastNTilesToUse = MAX_TRAY_TILES;
globals.cGlobals.socket = -1;
globals.cGlobals.socketChanged = gtk_socket_changed;
globals.cGlobals.socketChangedClosure = &globals;
globals.cp.showBoardArrow = XP_TRUE;
globals.cp.showRobotScores = params->showRobotScores;

29
linux/linuxmain.c
View file

@ -197,6 +197,7 @@ usage( char* appName, char* msg )
"\t [-v] # put scoreboard in vertical mode\n"
"\t [-m] # make the robot duMb (smart is default)\n"
"\t [-c] # explain robot scores after each move\n"
"\t [-C COOKIE] # cookie used to groups games on relay\n"
"\t\t # (max of four players total, local and remote)\n"
"\t [-b boardSize] # number of columns and rows\n"
"\t [-e random_seed] \n"
@ -228,12 +229,29 @@ linux_tcp_send( XP_U8* buf, XP_U16 buflen, CommsAddrRec* addrRec,
if ( socket == -1 ) {
XP_STATUSF( "linux_tcp_send: socket uninitialized" );
} else {
socket = linux_init_socket( globals );
if ( socket != -1 ) {
assert( globals->socket == socket );
(*globals->socketChanged)( globals->socketChangedClosure,
-1, socket );
}
}
if ( socket != -1 ) {
XP_U16 netLen = htons( buflen );
errno = 0;
(void)send( socket, &netLen, sizeof(netLen), 0 );
result = send( socket, &netLen, sizeof(netLen), 0 );
if ( result == sizeof(netLen) ) {
result = send( socket, buf, buflen, 0 );
}
if ( result <= 0 ) {
XP_STATUSF( "closing non-functional socket" );
close( socket );
(*globals->socketChanged)( globals->socketChangedClosure,
socket, -1 );
globals->socket = -1;
}
XP_STATUSF( "linux_tcp_send: send returned %d of %d (err=%d)",
result, buflen, errno );
@ -512,6 +530,7 @@ main( int argc, char** argv )
mainParams.defaultListenPort = DEFAULT_LISTEN_PORT;
mainParams.defaultSendPort = DEFAULT_SEND_PORT;
mainParams.trayOverlaps = XP_FALSE;
mainParams.cookie = "COOKIE";
mainParams.gi.boardSize = 15;
mainParams.quitAfter = XP_FALSE;
mainParams.sleepOnAnchor = XP_FALSE;
@ -519,6 +538,7 @@ main( int argc, char** argv )
mainParams.undoWhenDone = XP_FALSE;
mainParams.gi.timerEnabled = XP_FALSE;
mainParams.gi.robotSmartness = SMART_ROBOT;
/* serverName = mainParams.info.clientInfo.serverName = "localhost"; */
#if defined PLATFORM_GTK
@ -540,7 +560,7 @@ main( int argc, char** argv )
#if defined PLATFORM_GTK
"o"
#endif
"kKf:l:n:Nsd:a:p:e:r:b:qw:Sit:Umvc" );
"kKf:l:n:Nsd:a:p:e:r:b:qw:Sit:UmvcC:" );
switch( opt ) {
case 'h':
case '?':
@ -549,6 +569,9 @@ main( int argc, char** argv )
case 'c':
mainParams.showRobotScores = XP_TRUE;
break;
case 'C':
mainParams.cookie = optarg;
break;
case 'd':
mainParams.gi.dictName = copyString( MPPARM(mainParams.util->mpool)
optarg );

5
linux/main.h
View file

@ -43,6 +43,7 @@ typedef struct LaunchParams {
DictionaryCtxt* dict;
CurGameInfo gi;
char* fileName;
char* cookie;
VTableMgr* vtMgr;
XP_U16 nLocalPlayers;
XP_Bool trayOverlaps; /* probably only interesting for GTK case */
@ -69,6 +70,8 @@ typedef struct LaunchParams {
} LaunchParams;
typedef void (*SocketChangedFunc)(void* closure, int oldsock, int newsock );
typedef struct CommonGlobals {
LaunchParams* params;
@ -77,6 +80,8 @@ typedef struct CommonGlobals {
/* UDP comms stuff */
char* defaultServerName;
int socket;
SocketChangedFunc socketChanged;
void* socketChangedClosure;
} CommonGlobals;
#endif