Michael Davidsaver
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvxs is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#include <iostream>
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#include <list>
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#include <atomic>
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#include <epicsStdlib.h>
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#include <epicsGetopt.h>
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#include <epicsThread.h>
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#include <pvxs/client.h>
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#include <pvxs/log.h>
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#include "utilpvt.h"
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using namespace pvxs;
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namespace {
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void usage(const char* argv0)
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{
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std::cerr<<"Usage: "<<argv0<<" <opts> [pvname ...]\n"
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"\n"
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" -h Show this message.\n"
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" -v Make more noise.\n"
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" -d Shorthand for $PVXS_LOG=\"pvxs.*=DEBUG\". Make a lot of noise.\n"
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" -w <sec> Operation timeout in seconds. default 5 sec.\n"
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;
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}
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}
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int main(int argc, char *argv[])
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{
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logger_config_env(); // from $PVXS_LOG
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double timeout = 5.0;
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bool verbose = false;
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{
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int opt;
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while ((opt = getopt(argc, argv, "hvdw:")) != -1) {
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switch(opt) {
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case 'h':
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usage(argv[0]);
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return 0;
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case 'v':
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verbose = true;
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break;
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case 'd':
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logger_level_set("pvxs.*", Level::Debug);
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break;
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case 'w':
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if(epicsParseDouble(optarg, &timeout, nullptr)) {
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std::cerr<<"Invalid timeout value: "<<optarg<<"\n";
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return 1;
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}
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break;
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default:
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usage(argv[0]);
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std::cerr<<"\nUnknown argument: "<<char(opt)<<std::endl;
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return 1;
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}
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}
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}
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auto ctxt = client::Config::from_env().build();
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if(verbose)
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std::cout<<"Effective config\n"<<ctxt.config();
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std::list<std::shared_ptr<client::Operation>> ops;
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std::atomic<int> remaining{argc-optind};
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epicsEvent done;
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for(auto n : range(optind, argc)) {
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ops.push_back(ctxt.get(argv[n])
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.result([&argv, n, &remaining, &done](client::Result&& result) {
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std::cout<<argv[n]<<"\n"<<result();
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if(remaining.fetch_sub(1)==1)
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done.trigger();
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})
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.exec());
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}
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// expedite search after starting all requests
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ctxt.hurryUp();
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SigInt sig([&done]() {
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done.signal();
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});
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if(!done.wait(timeout)) {
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std::cerr<<"Timeout\n";
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return 1;
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} else if(remaining.load()==0u) {
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return 0;
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} else {
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if(verbose)
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std::cerr<<"Interrupted\n";
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return 2;
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}
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}
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