rm by damien henry

svn path=/trunk/; revision=210

1 files changed, 0 insertions, 563 deletions

diff --git a/xgui/netserver/netserver.c b/xgui/netserver/netserver.c
deleted file mode 100644
index 199b7eea..00000000
--- a/xgui/netserver/netserver.c
+++ /dev/null
@@ -1,563 +0,0 @@
-/* --------------------------  netserver  ------------------------------------- */

-/*                                                                              */

-/* A server for bidirectional communication from within Pd.                     */

-/* Allows to send back data to specific clients connected to the server.        */

-/* Written by Olaf Matthes <olaf.matthes@gmx.de>                                */

-/* Get source at http://www.akustische-kunst.org/puredata/maxlib                */

-/*                                                                              */

-/* This program is free software; you can redistribute it and/or                */

-/* modify it under the terms of the GNU General Public License                  */

-/* as published by the Free Software Foundation; either version 2               */

-/* of the License, or (at your option) any later version.                       */

-/*                                                                              */

-/* This program is distributed in the hope that it will be useful,              */

-/* but WITHOUT ANY WARRANTY; without even the implied warranty of               */

-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */

-/* GNU General Public License for more details.                                 */

-/*                                                                              */

-/* You should have received a copy of the GNU General Public License            */

-/* along with this program; if not, write to the Free Software                  */

-/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.  */

-/*                                                                              */

-/* Based on PureData by Miller Puckette and others.                             */

-/*                                                                              */

-/* ---------------------------------------------------------------------------- */

-

-#include "m_imp.h"

-

-#include <sys/types.h>

-#include <stdarg.h>

-#include <signal.h>

-#include <fcntl.h>

-#include <errno.h>

-#include <string.h>

-#include <stdio.h>

-#include <pthread.h>

-#ifdef UNIX

-#include <sys/socket.h>

-#include <netinet/in.h>

-#include <netinet/tcp.h>

-#include <arpa/inet.h>

-#include <netdb.h>

-#include <unistd.h>

-#include <stdlib.h>

-#include <sys/time.h>

-#define SOCKET_ERROR -1

-#else

-#include <io.h>

-#include <fcntl.h>

-#include <winsock.h>

-#endif

-

-#define MAX_CONNECT  32		/* maximum number of connections */

-#define INBUFSIZE    4096   /* size of receiving data buffer */

-

-static char *version = "netserver v0.1 :: bidirectional communication for Pd\n"

-                       "                  written by Olaf Matthes <olaf.matthes@gmx.de>";

-

-/* ----------------------------- netserver ------------------------- */

-

-static t_class *netserver_class;

-static t_binbuf *inbinbuf;

-

-typedef void (*t_netserver_socketnotifier)(void *x);

-typedef void (*t_netserver_socketreceivefn)(void *x, t_binbuf *b);

-

-typedef struct _netserver

-{

-    t_object x_obj;

-    t_outlet *x_msgout;

-    t_outlet *x_connectout;

-	t_outlet *x_clientno;

-	t_outlet *x_connectionip;

-	t_symbol *x_host[MAX_CONNECT];

-	t_int    x_fd[MAX_CONNECT];

-	t_int    x_sock_fd;

-    t_int    x_connectsocket;

-    t_int    x_nconnections;

-} t_netserver;

-

-typedef struct _netserver_socketreceiver

-{

-    char *sr_inbuf;

-    int sr_inhead;

-    int sr_intail;

-    void *sr_owner;

-    t_netserver_socketnotifier sr_notifier;

-    t_netserver_socketreceivefn sr_socketreceivefn;

-} t_netserver_socketreceiver;

-

-static t_netserver_socketreceiver *netserver_socketreceiver_new(void *owner, t_netserver_socketnotifier notifier,

-    t_netserver_socketreceivefn socketreceivefn)

-{

-    t_netserver_socketreceiver *x = (t_netserver_socketreceiver *)getbytes(sizeof(*x));

-    x->sr_inhead = x->sr_intail = 0;

-    x->sr_owner = owner;

-    x->sr_notifier = notifier;

-    x->sr_socketreceivefn = socketreceivefn;

-    if (!(x->sr_inbuf = malloc(INBUFSIZE))) bug("t_netserver_socketreceiver");

-    return (x);

-}

-

-    /* this is in a separately called subroutine so that the buffer isn't

-    sitting on the stack while the messages are getting passed. */

-static int netserver_socketreceiver_doread(t_netserver_socketreceiver *x)

-{

-    char messbuf[INBUFSIZE], *bp = messbuf;

-    int indx;

-    int inhead = x->sr_inhead;

-    int intail = x->sr_intail;

-    char *inbuf = x->sr_inbuf;

-    if (intail == inhead) return (0);

-    for (indx = intail; indx != inhead; indx = (indx+1)&(INBUFSIZE-1))

-    {

-    	char c = *bp++ = inbuf[indx];

-    	if (c == ';' && (!indx || inbuf[indx-1] != '\\'))

-    	{

-    	    intail = (indx+1)&(INBUFSIZE-1);

-    	    binbuf_text(inbinbuf, messbuf, bp - messbuf);

-    	    x->sr_inhead = inhead;

-    	    x->sr_intail = intail;

-    	    return (1);

-    	}

-    }

-    return (0);

-}

-

-static void netserver_socketreceiver_read(t_netserver_socketreceiver *x, int fd)

-{

-	char *semi;

-	int readto = (x->sr_inhead >= x->sr_intail ? INBUFSIZE : x->sr_intail-1);

-	int ret;

-

-	t_netserver *y = x->sr_owner;

-

-	y->x_sock_fd = fd;

-

-    		/* the input buffer might be full.  If so, drop the whole thing */

-	if (readto == x->sr_inhead)

-	{

-    		post("netserver: dropped message");

-    		x->sr_inhead = x->sr_intail = 0;

-    		readto = INBUFSIZE;

-	}

-	else

-	{

-		ret = recv(fd, x->sr_inbuf + x->sr_inhead,

-	    	readto - x->sr_inhead, 0);

-		if (ret < 0)

-		{

-			sys_sockerror("recv");

-	    	if (x->sr_notifier) (*x->sr_notifier)(x->sr_owner);

-	    	sys_rmpollfn(fd);

-	    	sys_closesocket(fd);

-		}

-		else if (ret == 0)

-		{

-	    	post("netserver: << connection closed on socket %d", fd);

-			if (x->sr_notifier) (*x->sr_notifier)(x->sr_owner);

-	    	sys_rmpollfn(fd);

-	    	sys_closesocket(fd);

-		}

-		else

-		{

-    		x->sr_inhead += ret;

-    		if (x->sr_inhead >= INBUFSIZE) x->sr_inhead = 0;

-    		while (netserver_socketreceiver_doread(x))

-			{

-				outlet_setstacklim();

-				if (x->sr_socketreceivefn)

-		    		(*x->sr_socketreceivefn)(x->sr_owner, inbinbuf);

-    			else binbuf_eval(inbinbuf, 0, 0, 0);

- 	    	}

-		}

-	}

-}

-

-static void netserver_socketreceiver_free(t_netserver_socketreceiver *x)

-{

-    free(x->sr_inbuf);

-    freebytes(x, sizeof(*x));

-}

-

-/* ---------------- main netserver (send) stuff --------------------- */

-

-/* send message to client using socket number */

-static void netserver_send(t_netserver *x, t_symbol *s, int argc, t_atom *argv)

-{

-	int sockfd, client = -1, i;

-	if(x->x_nconnections < 0)

-	{

-		post("netserver: no clients connected");

-		return;

-	}

-	if(argc < 2)

-	{

-		post("netserver: nothing to send");

-		return;

-	}

-		/* get socket number of connection (first element in list) */

-	if(argv[0].a_type == A_FLOAT)

-	{

-		sockfd = atom_getfloatarg(0, argc, argv);

-		for(i = 0; i < x->x_nconnections; i++)	/* check if connection exists */

-		{

-			if(x->x_fd[i] == sockfd)

-			{

-				client = i;	/* the client we're sending to */

-				break;

-			}

-		}

-		if(client == -1)

-		{

-			post("netserver: no connection on socket %d", sockfd);

-			return;

-		}

-	}

-	else

-	{

-		post("netserver: no socket specified");

-		return;

-	}

-		/* process & send data */

-	if(sockfd > 0)

-	{

-		t_binbuf *b = binbuf_new();

-		char *buf, *bp;

-		int length, sent;

-		t_atom at;

-		binbuf_add(b, argc - 1, argv + 1);	/* skip first element */

-		SETSEMI(&at);

-		binbuf_add(b, 1, &at);

-		binbuf_gettext(b, &buf, &length);

-

-		post("netserver: sending data to client %d on socket %d", client + 1, sockfd);

-		// post("netserver: sending \"%s\"", buf);

-

-		for (bp = buf, sent = 0; sent < length;)

-		{

-			static double lastwarntime;

-			static double pleasewarn;

-			double timebefore = clock_getlogicaltime();

-    		int res = send(sockfd, buf, length-sent, 0);

-    		double timeafter = clock_getlogicaltime();

-    		int late = (timeafter - timebefore > 0.005);

-    		if (late || pleasewarn)

-    		{

-    	    	if (timeafter > lastwarntime + 2)

-    	    	{

-    	    		 post("netserver blocked %d msec",

-    	    	     	(int)(1000 * ((timeafter - timebefore) + pleasewarn)));

-    	    		 pleasewarn = 0;

-    	    		 lastwarntime = timeafter;

-    	    	}

-    	    	else if (late) pleasewarn += timeafter - timebefore;

-    		}

-    		if (res <= 0)

-    		{

-    			sys_sockerror("netserver");

-				post("netserver: could not send data to client");

-    			break;

-    		}

-    		else

-    		{

-    			sent += res;

-    			bp += res;

-    		}

-		}

-		t_freebytes(buf, length);

-		binbuf_free(b);

-	}

-	else post("netserver: not a valid socket number (%d)", sockfd);

-}

-

-/* send message to client using client number 

-   note that the client numbers might change in case a client disconnects! */

-static void netserver_client_send(t_netserver *x, t_symbol *s, int argc, t_atom *argv)

-{

-	int sockfd, client;

-	if(x->x_nconnections < 0)

-	{

-		post("netserver: no clients connected");

-		return;

-	}

-	if(argc < 2)

-	{

-		post("netserver: nothing to send");

-		return;

-	}

-		/* get number of client (first element in list) */

-	if(argv[0].a_type == A_FLOAT)

-		client = atom_getfloatarg(0, argc, argv);

-	else

-	{

-		post("netserver: no client specified");

-		return;

-	}

-	sockfd = x->x_fd[client - 1];	/* get socket number for that client */

-

-		/* process & send data */

-	if(sockfd > 0)

-	{

-		t_binbuf *b = binbuf_new();

-		char *buf, *bp;

-		int length, sent;

-		t_atom at;

-		binbuf_add(b, argc - 1, argv + 1);	/* skip first element */

-		SETSEMI(&at);

-		binbuf_add(b, 1, &at);

-		binbuf_gettext(b, &buf, &length);

-

-		post("netserver: sending data to client %d on socket %d", client, sockfd);

-		// post("netserver: >> sending \"%s\"", buf);

-

-		for (bp = buf, sent = 0; sent < length;)

-		{

-			static double lastwarntime;

-			static double pleasewarn;

-			double timebefore = clock_getlogicaltime();

-    		int res = send(sockfd, buf, length-sent, 0);

-    		double timeafter = clock_getlogicaltime();

-    		int late = (timeafter - timebefore > 0.005);

-    		if (late || pleasewarn)

-    		{

-    	    	if (timeafter > lastwarntime + 2)

-    	    	{

-    	    		 post("netserver blocked %d msec",

-    	    	     	(int)(1000 * ((timeafter - timebefore) + pleasewarn)));

-    	    		 pleasewarn = 0;

-    	    		 lastwarntime = timeafter;

-    	    	}

-    	    	else if (late) pleasewarn += timeafter - timebefore;

-    		}

-    		if (res <= 0)

-    		{

-    			sys_sockerror("netserver");

-				post("netserver: could not send data to cient");

-    			break;

-    		}

-    		else

-    		{

-    			sent += res;

-    			bp += res;

-    		}

-		}

-		t_freebytes(buf, length);

-		binbuf_free(b);

-	}

-	else post("netserver: not a valid socket number (%d)", sockfd);

-}

-

-	/* broadcasts a message to all connected clients */

-static void netserver_broadcast(t_netserver *x, t_symbol *s, int argc, t_atom *argv)

-{

-	int i, client = x->x_nconnections;	/* number of clients to send to */

-	t_atom at[256];

-	for(i = 0; i < argc; i++)

-	{

-		at[i + 1] = argv[i];

-	}

-	argc++;

-    /* enumerate through the clients and send each the message */

-    while(client--)

-	{

-		SETFLOAT(at, client + 1);	/* prepend number of client */

-        netserver_client_send(x, s, argc, at);

-    }

-}

-

-

-/* ---------------- main netserver (receive) stuff --------------------- */

-

-static void netserver_notify(t_netserver *x)

-{

-	int i, k;

-		/* remove connection from list */

-	for(i = 0; i < x->x_nconnections; i++)

-	{

-			if(x->x_fd[i] == x->x_sock_fd)

-			{

-				x->x_nconnections--;

-				post("netserver: \"%s\" removed from list of clients", x->x_host[i]->s_name);

-				x->x_host[i] = NULL;	/* delete entry */

-				x->x_fd[i] = -1;

-					/* rearrange list now: move entries to close the gap */

-				for(k = i; k < x->x_nconnections; k++)

-				{

-					x->x_host[k] = x->x_host[k + 1];

-					x->x_fd[k] = x->x_fd[k + 1];

-				}

-			}

-	}

-    outlet_float(x->x_connectout, x->x_nconnections);

-}

-

-static void netserver_doit(void *z, t_binbuf *b)

-{

-    t_atom messbuf[1024];

-    t_netserver *x = (t_netserver *)z;

-    int msg, natom = binbuf_getnatom(b);

-    t_atom *at = binbuf_getvec(b);

-	int i;

-		/* output clients IP and socket no. */

-	for(i = 0; i < x->x_nconnections; i++)	/* search for corresponding IP */

-	{

-		if(x->x_fd[i] == x->x_sock_fd)

-		{

-			outlet_symbol(x->x_connectionip, x->x_host[i]);

-			break;

-		}

-	}

-	outlet_float(x->x_clientno, x->x_sock_fd);	/* the socket number */

-		/* process data */

-    for (msg = 0; msg < natom;)

-    {

-    	int emsg;

-		for (emsg = msg; emsg < natom && at[emsg].a_type != A_COMMA

-			&& at[emsg].a_type != A_SEMI; emsg++);

-

-		if (emsg > msg)

-		{

-			int ii;

-			for (ii = msg; ii < emsg; ii++)

-	    		if (at[ii].a_type == A_DOLLAR || at[ii].a_type == A_DOLLSYM)

-				{

-	    			pd_error(x, "netserver: got dollar sign in message");

-					goto nodice;

-				}

-			if (at[msg].a_type == A_FLOAT)

-			{

-	    		if (emsg > msg + 1)

-					outlet_list(x->x_msgout, 0, emsg-msg, at + msg);

-				else outlet_float(x->x_msgout, at[msg].a_w.w_float);

-			}

-			else if (at[msg].a_type == A_SYMBOL)

-	    		outlet_anything(x->x_msgout, at[msg].a_w.w_symbol,

-				emsg-msg-1, at + msg + 1);

-		}

-		nodice:

-    		msg = emsg + 1;

-    }

-}

-

-static void netserver_connectpoll(t_netserver *x)

-{

-    struct sockaddr_in incomer_address;

-    int sockaddrl = (int) sizeof( struct sockaddr );

-    int fd = accept(x->x_connectsocket, (struct sockaddr*)&incomer_address, &sockaddrl);

-    if (fd < 0) post("netserver: accept failed");

-    else

-    {

-    	t_netserver_socketreceiver *y = netserver_socketreceiver_new((void *)x, 

-    	    (t_netserver_socketnotifier)netserver_notify,

-	    	(x->x_msgout ? netserver_doit : 0));

-    	sys_addpollfn(fd, (t_fdpollfn)netserver_socketreceiver_read, y);

-		x->x_nconnections++;

-		x->x_host[x->x_nconnections - 1] = gensym(inet_ntoa(incomer_address.sin_addr));

-		x->x_fd[x->x_nconnections - 1] = fd;

-

-		post("netserver: ** accepted connection from %s on socket %d", 

-			x->x_host[x->x_nconnections - 1]->s_name, x->x_fd[x->x_nconnections - 1]);

-    	outlet_float(x->x_connectout, x->x_nconnections);

-    }

-}

-

-static void netserver_print(t_netserver *x)

-{

-	int i;

-	if(x->x_nconnections > 0)

-	{

-		post("netserver: %d open connections:", x->x_nconnections);

-

-		for(i = 0; i < x->x_nconnections; i++)

-		{

-			post("        \"%s\" on socket %d", 

-				x->x_host[i]->s_name, x->x_fd[i]);

-		}

-	} else post("netserver: no open connections");

-}

-

-static void *netserver_new(t_floatarg fportno)

-{

-    t_netserver *x;

-	int i;

-    struct sockaddr_in server;

-    int sockfd, portno = fportno;

-    	/* create a socket */

-    sockfd = socket(AF_INET, SOCK_STREAM, 0);

-#if 0

-    post("netserver: receive socket %d", sockfd);

-#endif

-    if (sockfd < 0)

-    {

-    	sys_sockerror("socket");

-    	return (0);

-    }

-    server.sin_family = AF_INET;

-    server.sin_addr.s_addr = INADDR_ANY;

-

-#ifdef IRIX

-    	/* this seems to work only in IRIX but is unnecessary in

-	Linux.  Not sure what NT needs in place of this. */

-    if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, 0, 0) < 0)

-    	post("setsockopt failed\n");

-#endif

-

-    	/* assign server port number */

-    server.sin_port = htons((u_short)portno);

-

-    	/* name the socket */

-    if (bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0)

-    {

-    	sys_sockerror("bind");

-    	sys_closesocket(sockfd);

-    	return (0);

-    }

-    x = (t_netserver *)pd_new(netserver_class);

-    x->x_msgout = outlet_new(&x->x_obj, &s_anything);

-

-	/* streaming protocol */

-	if (listen(sockfd, 5) < 0)

-	{

-    	sys_sockerror("listen");

-    	sys_closesocket(sockfd);

-		sockfd = -1;

-	}

-    else

-	{

-		sys_addpollfn(sockfd, (t_fdpollfn)netserver_connectpoll, x);

-    	x->x_connectout = outlet_new(&x->x_obj, &s_float);

-		x->x_clientno = outlet_new(&x->x_obj, &s_float);

-		x->x_connectionip = outlet_new(&x->x_obj, &s_symbol);

-		inbinbuf = binbuf_new();

-	}

-    x->x_connectsocket = sockfd;

-    x->x_nconnections = 0;

-	for(i = 0; i < MAX_CONNECT; i++)x->x_fd[i] = -1;

-#ifndef MAXLIB

-    post(version);

-#endif

-    return (x);

-}

-

-static void netserver_free(t_netserver *x)

-{

-    	/* LATER make me clean up open connections */

-    if (x->x_connectsocket >= 0)

-    {

-    	sys_rmpollfn(x->x_connectsocket);

-    	sys_closesocket(x->x_connectsocket);

-    }

-	binbuf_free(inbinbuf);

-}

-

-void netserver_setup(void)

-{

-    netserver_class = class_new(gensym("netserver"),(t_newmethod)netserver_new, (t_method)netserver_free,

-    	sizeof(t_netserver), 0, A_DEFFLOAT, 0);

-	class_addmethod(netserver_class, (t_method)netserver_print, gensym("print"), 0);

-	class_addmethod(netserver_class, (t_method)netserver_send, gensym("send"), A_GIMME, 0);

-	class_addmethod(netserver_class, (t_method)netserver_client_send, gensym("client"), A_GIMME, 0);

-	class_addmethod(netserver_class, (t_method)netserver_broadcast, gensym("broadcast"), A_GIMME, 0);

-	class_sethelpsymbol(netserver_class, gensym("maxlib/help-netserver.pd"));

-}