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