Initial revision

2000-02-07 10:38:55 +00:00
commit fdc6b051c9
846 changed files with 230218 additions and 0 deletions
--- a/udpquieck.c
+++ b/udpquieck.c
@ -0,0 +1,120 @@
+/*-------------------------------------------------------------------------
+                           U D P Q U I E C K
+                           
+   This file implements the UDP broadcasting of SICS messages. Especially
+   the update file message.
+   
+   Mark Koennecke, August 1998
+---------------------------------------------------------------------------*/
+#include <stdlib.h>
+#include <assert.h>
+#include "fortify.h"
+#include "sics.h"
+#include "udpquieck.h"
+
+/* the UDP port */
+  static mkChannel *port = NULL;
+  static char pError[256];
+/* the UDP port number, -1 means not configured */
+  static int iPort = -1;
+/*----------------------------------------------------------------------*/
+  void KillQuieck(void *pData)
+  {
+     if(port)
+     {
+       free(port);
+     }
+     if(pData)
+        KillDummy(pData);
+  }
+  
+/*------------------------------------------------------------------------*/
+  int SendQuieck(int iType, char *pText)
+  {
+     char *pPtr = NULL;
+     int  iRet;
+     char pMessage[512];
+     
+     /* do we know the type */
+     if(iType != QUIECK)
+     {
+        strcpy(pError,"ERROR: unknown UDP broadcast message type");
+        return 0;
+     }
+     
+     /* if no port number, get it from ServerOptions */
+     if(iPort < 0)
+     {
+        pPtr = IFindOption(pSICSOptions,"QuieckPort");
+        if(pPtr)
+        {
+          iPort = atoi(pPtr);
+        } 
+        else
+        {
+          iPort = 2108;
+        }
+     }
+     
+     /* do we have a channel ?*/
+     if(port == NULL)
+     {
+       port = UDPConnect("localhost",iPort);
+       if(port == NULL)
+       {
+         strcpy(pError,"ERROR: cannot connect to UDP port, may be nobody listening");
+         return 0;
+       }
+     }
+
+     /* format a message and blast into space */
+     switch(iType)
+     {
+        case QUIECK:
+             strcpy(pMessage,"QUIECK/");
+             strcat(pMessage,pText);
+             break;
+        default:
+             strcpy(pMessage,"Error");
+             break;     
+     }     
+     iRet = UDPWrite(port,pMessage,strlen(pMessage));
+     if(iRet != 1)
+     {
+        strcpy(pError,"ERROR: failed to send UDP message");
+        free(port);
+        port = NULL;                     
+        return 0;                    
+     }
+     return 1;
+  } 
+/*--------------------------------------------------------------------------*/
+  int QuieckAction(SConnection *pCon, SicsInterp *pSics, void *pData,
+                   int argc, char *argv[])
+  {
+      int iRet;
+  
+      if(argc < 2)
+      {
+         SCWrite(pCon,"ERROR: expected a message for udpquieck",eError);
+         return 0;
+      }
+
+      if(!SCMatchRights(pCon,usMugger))
+      {
+        SCWrite(pCon,
+           "ERROR: permission denied to use internal command udpquieck",
+            eError);
+        return 0;    
+      }
+      
+      iRet = SendQuieck(QUIECK,argv[1]);
+      if(iRet != 1)
+      {
+        SCWrite(pCon,pError,eError);
+        return 0;
+      }
+      SCSendOK(pCon);
+      return 1;
+  }           
+