[Pommed-commits] r392 - trunk/client-common

[jblache at alioth.debian.org]

Author: jblache
Date: 2007-11-27 16:36:02 +0000 (Tue, 27 Nov 2007)
New Revision: 392

Added:
   trunk/client-common/video-client.c
   trunk/client-common/video-client.h
Log:
Add common code for video switch handling in the frontends.


Added: trunk/client-common/video-client.c
===================================================================
--- trunk/client-common/video-client.c	                        (rev 0)
+++ trunk/client-common/video-client.c	2007-11-27 16:36:02 UTC (rev 392)
@@ -0,0 +1,105 @@
+/*
+ * video-client.c -- shared video switch routines for pommed clients
+ *
+ * $Id$
+ *
+ * Copyright (C) 2007 Julien BLACHE <jb at jblache.org>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <errno.h>
+
+#include "video-client.h"
+
+
+static char *vsw_user = NULL;
+
+void
+mbp_video_switch(void)
+{
+  struct passwd *pw;
+  char *vsw = NULL;
+
+  int ret;
+
+  if (vsw_user == NULL)
+    {
+      pw = getpwuid(getuid());
+      if (pw == NULL)
+        {
+          fprintf(stderr, "Could not get user information\n");
+
+          return;
+        }
+
+      vsw_user = (char *) malloc(strlen(pw->pw_dir) + strlen(VIDEO_SWITCH_USER) + 1);
+      if (vsw_user == NULL)
+        {
+          fprintf(stderr, "Could not allocate memory\n");
+
+          return;
+        }
+
+      strncpy(vsw_user, pw->pw_dir, strlen(pw->pw_dir) + 1);
+      strncat(vsw_user, VIDEO_SWITCH_USER, strlen(VIDEO_SWITCH_USER));
+    }
+
+  if (access(vsw_user, R_OK | X_OK) == 0)
+    {
+      vsw = vsw_user;
+    }
+  else if (access(VIDEO_SWITCH_SYSTEM, R_OK | X_OK) == 0)
+    {
+      vsw = VIDEO_SWITCH_SYSTEM;
+    }
+  else
+    {
+      fprintf(stderr, "No video switch script available\n");
+      return;
+    }
+
+  ret = fork();
+  if (ret == 0) /* exec video switch script */
+    {
+      execl(vsw, "videoswitch", NULL);
+
+      fprintf(stderr, "Could not execute video switch script: %s", strerror(errno));
+      exit(1);
+    }
+  else if (ret == -1)
+    {
+      fprintf(stderr, "Could not fork: %s\n", strerror(errno));
+      return;
+    }
+  else
+    {
+      waitpid(ret, &ret, 0);
+      if ((WIFEXITED(ret) == 0) || (WEXITSTATUS(ret) != 0))
+        {
+          fprintf(stderr, "Video switch script failed");
+          return;
+        }
+    }
+}
+


Property changes on: trunk/client-common/video-client.c
___________________________________________________________________
Name: svn:keywords
   + Id

Added: trunk/client-common/video-client.h
===================================================================
--- trunk/client-common/video-client.h	                        (rev 0)
+++ trunk/client-common/video-client.h	2007-11-27 16:36:02 UTC (rev 392)
@@ -0,0 +1,16 @@
+/*
+ * $Id$
+ */
+#ifndef __MBP_VIDEO_CLIENT_H__
+#define __MBP_VIDEO_CLIENT_H__
+
+
+#define VIDEO_SWITCH_SYSTEM      "/etc/pommed/videoswitch"
+#define VIDEO_SWITCH_USER        "/.videoswitch"
+
+
+void
+mbp_video_switch(void);
+
+
+#endif /* !__MBP_VIDEO_CLIENT_H__ */


Property changes on: trunk/client-common/video-client.h
___________________________________________________________________
Name: svn:keywords
   + Id