103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
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#include <set>
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#include <map>
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#define EPICS_DBCA_PRIVATE_API
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#include <epicsGuard.h>
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#include <dbAccess.h>
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#include <dbCommon.h>
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#include <dbLink.h>
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#include <dbScan.h>
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#include <epicsExport.h>
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#include <errlog.h>
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#include <initHooks.h>
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#include <alarm.h>
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#include <epicsExit.h>
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#include <epicsAtomic.h>
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#include <link.h>
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#include <dbJLink.h>
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#include <epicsStdio.h> /* redirects stdout/stderr */
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#include <pv/pvAccess.h>
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#include <pv/clientFactory.h>
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#include <pv/iocshelper.h>
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#include <pv/reftrack.h>
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#define epicsExportSharedSymbols
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#include <shareLib.h>
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#include "helper.h"
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#include "pvif.h"
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#include "pvalink.h"
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#include <epicsExport.h>
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int pvaLinkDebug;
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int pvaLinkIsolate;
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using namespace pvalink;
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namespace {
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static void stopPVAPool(void*)
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{
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pvaGlobal->queue.close();
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}
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static void finalizePVA(void*)
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{
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try {
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{
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Guard G(pvaGlobal->lock);
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if(pvaGlobal->channels.size()) {
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fprintf(stderr, "pvaLink leaves %zu channels open\n",
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pvaGlobal->channels.size());
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}
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}
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delete pvaGlobal;
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pvaGlobal = NULL;
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}catch(std::exception& e){
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fprintf(stderr, "Error initializing pva link handling : %s\n", e.what());
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}
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}
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void initPVALink(initHookState state)
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{
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if(state==initHookAfterCaLinkInit) {
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// before epicsExit(exitDatabase)
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// so hook registered here will be run after iocShutdown()
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// which closes links
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try {
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pvaGlobal = new pvaGlobal_t;
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epicsAtExit(finalizePVA, NULL);
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}catch(std::exception& e){
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cantProceed("Error initializing pva link handling : %s\n", e.what());
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}
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} else if(state==initHookAfterIocBuilt) {
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// after epicsExit(exitDatabase)
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// so hook registered here will be run before iocShutdown()
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epicsAtExit(stopPVAPool, NULL);
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}
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}
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} // namespace
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static
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void installPVAAddLinkHook()
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{
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initHookRegister(&initPVALink);
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epics::registerRefCounter("pvaLinkChannel", &pvaLinkChannel::num_instances);
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epics::registerRefCounter("pvaLink", &pvaLink::num_instances);
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}
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extern "C" {
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epicsExportRegistrar(installPVAAddLinkHook);
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epicsExportAddress(jlif, lsetPVA);
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epicsExportAddress(int, pvaLinkDebug);
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}
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