added: wakeonlan builtin command. See http://xbmc.org/wiki/?title=List_of_Built_In_Functions for more information.

git-svn-id: https://xbmc.svn.sourceforge.net/svnroot/xbmc/trunk@27296 568bbfeb-2a22-0410-94d2-cc84cf5bfa90

3 files changed, 122 insertions, 1 deletions

diff --git a/xbmc/utils/Builtins.cpp b/xbmc/utils/Builtins.cpp
index 4c32c123d6..27f8b37786 100644
--- a/xbmc/utils/Builtins.cpp
+++ b/xbmc/utils/Builtins.cpp
@@ -177,6 +177,7 @@ const BUILT_IN commands[] = {
   { "LoadProfile",                true,   "Load the specified profile (note; if locks are active it won't work)" },
   { "SetProperty",                true,   "Sets a window property for the current window (key,value)" },
   { "PlayWith",                   true,   "Play the selected item with the specified core" },
+  { "WakeOnLan",                  true,   "Sends the wake-up packet to the broadcast address for the specified MAC address" },
 #if defined(HAS_LIRC) || defined(HAS_IRSERVERSUITE)
   { "LIRC.Stop",                  false,  "Removes XBMC as LIRC client" },
   { "LIRC.Start",                 false,  "Adds XBMC as LIRC client" },
@@ -1272,6 +1273,10 @@ int CBuiltins::Execute(const CStdString& execString)
     if (window)
       window->SetProperty(params[0],params[1]);
   }
+  else if (execute.Equals("wakeonlan"))
+  {
+    g_application.getNetwork().WakeOnLan((char*)params[0].c_str());
+  }
 #if defined(HAS_LIRC) || defined(HAS_IRSERVERSUITE)
   else if (execute.Equals("lirc.stop"))
   {
diff --git a/xbmc/utils/Network.cpp b/xbmc/utils/Network.cpp
index 9caf84e1e0..bedb216c6d 100644
--- a/xbmc/utils/Network.cpp
+++ b/xbmc/utils/Network.cpp
@@ -1,5 +1,5 @@
 /*
- *      Copyright (C) 2005-2008 Team XBMC
+ *      Copyright (C) 2005-2010 Team XBMC
  *      http://www.xbmc.org
  *
  *  This Program is free software; you can redistribute it and/or modify
@@ -29,6 +29,62 @@
 
 using namespace std;
 
+/* slightly modified in_ether taken from the etherboot project (http://sourceforge.net/projects/etherboot) */
+bool in_ether (char *bufp, unsigned char *addr)
+{
+  if (strlen(bufp) != 17)
+    return false;
+
+  char c, *orig;
+  unsigned char *ptr = addr;
+  unsigned val;
+
+  int i = 0;
+  orig = bufp;
+
+  while ((*bufp != '\0') && (i < 6))
+  {
+    val = 0;
+    c = *bufp++;
+
+    if (isdigit(c))
+      val = c - '0';
+    else if (c >= 'a' && c <= 'f')
+      val = c - 'a' + 10;
+    else if (c >= 'A' && c <= 'F')
+      val = c - 'A' + 10;
+    else
+      return false;
+
+    val <<= 4;
+    c = *bufp;
+    if (isdigit(c))
+      val |= c - '0';
+    else if (c >= 'a' && c <= 'f')
+      val |= c - 'a' + 10;
+    else if (c >= 'A' && c <= 'F')
+      val |= c - 'A' + 10;
+    else if (c == ':' || c == '-' || c == 0)
+      val >>= 4;
+    else
+      return false;
+
+    if (c != 0)
+      bufp++;
+
+    *ptr++ = (unsigned char) (val & 0377);
+    i++;
+
+    if (*bufp == ':' || *bufp == '-')
+      bufp++;
+  }
+
+  if (bufp - orig != 17)
+    return false;
+
+  return true;
+}
+
 CNetwork::CNetwork()
 {
    g_application.getApplicationMessenger().NetworkMessage(SERVICES_UP, 0);
@@ -149,6 +205,63 @@ void CNetwork::NetworkMessage(EMESSAGE message, int param)
   }
 }
 
+bool CNetwork::WakeOnLan(char* mac)
+{
+  int i, j, packet;
+  unsigned char ethaddr[8];
+  unsigned char buf [128];
+  unsigned char *ptr;
+
+  // Fetch the hardware address
+  if (!in_ether(mac, ethaddr))
+  {
+    CLog::Log(LOGERROR, "%s - Invalid hardware address specified (%s)", __FUNCTION__, mac);
+    return false;
+  }
+
+  // Setup the socket
+  if ((packet = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
+  {
+    CLog::Log(LOGERROR, "%s - Unable to create socket (%s)", __FUNCTION__, strerror (errno));
+    return false;
+  }
+ 
+  // Set socket options
+  struct sockaddr_in saddr;
+  saddr.sin_family = AF_INET;
+  saddr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
+  saddr.sin_port = htons(60000);
+
+  unsigned int value = 1;
+  if (setsockopt (packet, SOL_SOCKET, SO_BROADCAST, (char*) &value, sizeof( unsigned int ) ) == SOCKET_ERROR)
+  {
+    CLog::Log(LOGERROR, "%s - Unable to set socket options (%s)", __FUNCTION__, strerror (errno));
+    close (packet);
+    return false;
+  }
+ 
+  // Build the magic packet (6 x 0xff + 16 x MAC address)
+  ptr = buf;
+  for (i = 0; i < 6; i++)
+    *ptr++ = 0xff;
+
+  for (j = 0; j < 16; j++)
+    for (i = 0; i < 6; i++)
+      *ptr++ = ethaddr[i];
+ 
+  // Send the magic packet
+  if (sendto (packet, (char *)buf, 102, 0, (struct sockaddr *)&saddr, sizeof (saddr)) < 0)
+  {
+    CLog::Log(LOGERROR, "%s - Unable to send magic packet (%s)", __FUNCTION__, strerror (errno));
+    close (packet);
+    return false;
+  }
+
+  close (packet);
+  CLog::Log(LOGINFO, "%s - Magic packet send to '%s'", __FUNCTION__, mac);
+  return true;
+}
+
 void CNetwork::StartServices()
 {
 #ifdef HAS_TIME_SERVER
diff --git a/xbmc/utils/Network.h b/xbmc/utils/Network.h
index 3d901fa7f4..3aa3d09909 100644
--- a/xbmc/utils/Network.h
+++ b/xbmc/utils/Network.h
@@ -103,6 +103,9 @@ public:
    // Return true if there's at least one interface which is connected
    bool IsConnected(void);
 
+   // Return true if the magic packet was send
+   bool WakeOnLan(char *mac);
+
    // Get/set the nameserver(s)
    virtual std::vector<CStdString> GetNameServers(void) = 0;
    virtual void SetNameServers(std::vector<CStdString> nameServers) = 0;