Initial revision

1997-11-24 22:37:52 +00:00
commit 9508b76bd2
322 changed files with 132552 additions and 0 deletions
--- a/gdk/x11/gxid_lib.c
+++ b/gdk/x11/gxid_lib.c
@ -0,0 +1,116 @@
+/* 
+ * gxid version 0.3
+ *
+ * Copyright 1997 Owen Taylor <owt1@cornell.edu>
+*/
+
+#include "../config.h"
+
+#ifdef XINPUT_GXI
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include "gxid_lib.h"
+
+/* handles mechanics of communicating with a client */
+static int 
+gxid_send_message(char *host, int port, GxidMessage *msg)
+{
+  int socket_fd;
+  struct sockaddr_in sin;
+  int count;
+  GxidI32 retval;
+  struct hostent *he;
+
+  if (!port) port = 6951;
+
+  if (!host || strcmp(host,"localhost") )
+    {
+      /* looking it up as localhost can be _SLOW_ on ppp systems */
+      /* FIXME: Could localhost be anything other than loopback? */
+      host = "127.0.0.1";
+    }
+
+  he = gethostbyname(host);
+  if (!he)
+    {
+      fprintf(stderr,"gxid_lib: error looking up %s\n",host);
+      return GXID_RETURN_ERROR;
+    }
+
+  sin.sin_family = he->h_addrtype;
+  sin.sin_port = htons(port);
+  memcpy(&sin.sin_addr,he->h_addr_list[0],he->h_length);
+
+  socket_fd = socket(AF_INET,SOCK_STREAM,0);
+  if (socket_fd < 0)
+    {
+      fprintf(stderr,"gxid_lib: can't get socket");
+      return GXID_RETURN_ERROR;
+    }
+
+  if (connect(socket_fd, (struct sockaddr *)&sin, 
+	      sizeof sin) < 0)
+    {
+      fprintf(stderr,"gxid_lib: can't connect to %s:%d\n",host,port);
+      close(socket_fd);
+      return GXID_RETURN_ERROR;
+    }
+
+  count = write(socket_fd,(char *)msg,ntohl(msg->any.length));
+  if (count != ntohl(msg->any.length))
+    {
+      fprintf(stderr,"gxid_lib: error writing");
+      close(socket_fd);
+      return GXID_RETURN_ERROR;
+    }
+
+  /* now read the return code */
+  count = read(socket_fd,(char *)&retval,sizeof(GxidI32));
+  if (count != sizeof(GxidI32))
+    {
+      fprintf(stderr,"gxid_lib: error reading return code");
+      close(socket_fd);
+      return GXID_RETURN_ERROR;
+    }
+
+  close (socket_fd);
+  return ntohl(retval);
+}
+
+/* claim a device. If exclusive, device is claimed exclusively */
+int 
+gxid_claim_device(char *host, int port, GxidU32 device, GxidU32 window,
+		  int exclusive)
+{
+  GxidClaimDevice msg;
+  msg.type = htonl(GXID_CLAIM_DEVICE);
+  msg.length = htonl(sizeof(GxidClaimDevice));
+  msg.device = htonl(device);
+  msg.window = htonl(window);
+  msg.exclusive = htonl(exclusive);
+
+  return gxid_send_message(host,port,(GxidMessage *)&msg);
+}
+
+/* release a device/window pair */
+int 
+gxid_release_device(char *host, int port, GxidU32 device, GxidU32 window)
+{
+  GxidReleaseDevice msg;
+  msg.type = htonl(GXID_RELEASE_DEVICE);
+  msg.length = htonl(sizeof(GxidReleaseDevice));
+  msg.device = htonl(device);
+  msg.window = htonl(window);
+
+  return gxid_send_message(host,port,(GxidMessage *)&msg);
+}
+
+#endif /* XINPUT_GXI */
+