118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/*--------------------------------------------------------------------------
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The server side implementation of the Interrupt module.
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As future version of this module may support adding interrupt
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handlers, the necessary precautions are made, by keeping the
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interrupt handlers in an array of function pointers. Is
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quick as well.
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Mark Koennecke, November 1996
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Revised: Mark Koennecke, September 1997
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Copyright: see copyright.h
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Labor fuer Neutronenstreuung
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Paul Scherrer Institut
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CH-5423 Villigen-PSI
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-----------------------------------------------------------------------------*/
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include "fortify.h"
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#include "conman.h"
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#include "SCinter.h"
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#include "nserver.h"
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#include "obdes.h"
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#include "network.h"
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#include "interrupt.h"
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#include "status.h"
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#include "splitter.h"
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#include "configfu.h"
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#include "devexec.h"
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#include "servlog.h"
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#include "nread.h"
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#include "task.h"
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#include "event.h"
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#define MAXINTERRUPT 7
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#define INTERUPTWAIT 5
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static mkChannel *IntPort = NULL;
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static pTaskMan pTask = NULL;
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/*----------------------------------------------------------------------------*/
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static char *pIntText[] = {
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"continue",
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"abortop",
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"abortscan",
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"abortbatch",
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"halt",
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"free",
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"end",
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NULL
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};
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/*---------------------------------------------------------------------------*/
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int ServerSetupInterrupt(int iPort, pNetRead pNet, pTaskMan pTasker)
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{
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int i;
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pTask = pTasker;
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/* setup interrupt port */
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IntPort = UDPOpen(iPort);
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if (IntPort == NULL) {
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return 0;
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} else {
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NetReadRegister(pNet, IntPort, udp, NULL);
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return 1;
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}
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}
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/*--------------------------------------------------------------------------*/
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void ServerStopInterrupt(void)
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{
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/* close the port */
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if (IntPort) {
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NETClosePort(IntPort);
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free(IntPort);
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}
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}
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/*-------------------------------------------------------------------------*/
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void SetInterrupt(int iCode)
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{
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int iInt;
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iInt = iCode;
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TaskSignal(pTask, SICSINT, &iInt);
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}
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/*--------------------------------------------------------------------------*/
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int Interrupt2Text(int iInterrupt, char *text, int iTextLen)
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{
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if ((iInterrupt < 0) || (iInterrupt > MAXINTERRUPT)) {
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return 0;
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}
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strncpy(text, pIntText[iInterrupt], iTextLen - 1);
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return 1;
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}
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/*-------------------------------------------------------------------------*/
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int Text2Interrupt(char *text)
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{
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int i = 0;
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while (pIntText[i] != NULL) {
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if (strcmp(pIntText[i], text) == 0) {
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break;
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}
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i++;
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}
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if (i >= MAXINTERRUPT) {
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return -1;
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}
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return i;
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}
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