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160725555e
Thu Jan 31 11:33:52 2002 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkproperty-x11.c (insert_atom_pair): Fix
another missing static.
* gtk/gtkimmodule.c (n_loaded_contexts): And another.
* gdk/x11/Makefile.am gdk/x11/gxid_lib.c: Don't
build gxid sources at all except in the vanishingly
rare case of --with-xinput=xfree.
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/*
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* gxid version 0.3
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*
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* Copyright 1997 Owen Taylor <owt1@cornell.edu>
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*/
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#include "config.h"
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#include "gxid_lib.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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/* handles mechanics of communicating with a client */
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static int
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gxid_send_message(char *host, int port, GxidMessage *msg)
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{
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int socket_fd;
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struct sockaddr_in sin;
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int count;
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GxidI32 retval;
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struct hostent *he;
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if (!port) port = 6951;
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if (!host || strcmp(host,"localhost") )
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{
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/* looking it up as localhost can be _SLOW_ on ppp systems */
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/* FIXME: Could localhost be anything other than loopback? */
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host = "127.0.0.1";
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}
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he = gethostbyname(host);
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if (!he)
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{
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fprintf(stderr,"gxid_lib: error looking up %s\n",host);
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return GXID_RETURN_ERROR;
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}
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sin.sin_family = he->h_addrtype;
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sin.sin_port = htons(port);
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memcpy(&sin.sin_addr,he->h_addr_list[0],he->h_length);
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socket_fd = socket(AF_INET,SOCK_STREAM,0);
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if (socket_fd < 0)
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{
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fprintf(stderr,"gxid_lib: can't get socket");
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return GXID_RETURN_ERROR;
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}
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if (connect(socket_fd, (struct sockaddr *)&sin,
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sizeof sin) < 0)
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{
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fprintf(stderr,"gxid_lib: can't connect to %s:%d\n",host,port);
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close(socket_fd);
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return GXID_RETURN_ERROR;
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}
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count = write(socket_fd,(char *)msg,ntohl(msg->any.length));
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if (count != ntohl(msg->any.length))
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{
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fprintf(stderr,"gxid_lib: error writing");
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close(socket_fd);
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return GXID_RETURN_ERROR;
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}
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/* now read the return code */
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count = read(socket_fd,(char *)&retval,sizeof(GxidI32));
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if (count != sizeof(GxidI32))
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{
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fprintf(stderr,"gxid_lib: error reading return code");
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close(socket_fd);
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return GXID_RETURN_ERROR;
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}
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close (socket_fd);
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return ntohl(retval);
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}
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/* claim a device. If exclusive, device is claimed exclusively */
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int
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_gxid_claim_device(char *host, int port, GxidU32 device, GxidU32 window,
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int exclusive)
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{
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GxidClaimDevice msg;
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msg.type = htonl(GXID_CLAIM_DEVICE);
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msg.length = htonl(sizeof(GxidClaimDevice));
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msg.device = htonl(device);
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msg.window = htonl(window);
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msg.exclusive = htonl(exclusive);
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return gxid_send_message(host,port,(GxidMessage *)&msg);
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}
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/* release a device/window pair */
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int
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_gxid_release_device(char *host, int port, GxidU32 device, GxidU32 window)
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{
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GxidReleaseDevice msg;
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msg.type = htonl(GXID_RELEASE_DEVICE);
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msg.length = htonl(sizeof(GxidReleaseDevice));
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msg.device = htonl(device);
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msg.window = htonl(window);
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return gxid_send_message(host,port,(GxidMessage *)&msg);
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}
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