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Use threadpool instead of new threads for DNS queries

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hyc committed Mar 17, 2019
1 parent 49afbd0 commit 8a97563a932a3bff17cf4c04a58608044a3f486a
Showing with 5 additions and 5 deletions.
  1. +5 −5 src/common/dns_utils.cpp
@@ -32,9 +32,9 @@

#include <stdlib.h>
#include "include_base_utils.h"
#include "common/threadpool.h"
#include <random>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <boost/algorithm/string/join.hpp>
#include <boost/optional.hpp>
using namespace epee;
@@ -496,16 +496,16 @@ bool load_txt_records_from_dns(std::vector<std::string> &good_records, const std
size_t first_index = dis(gen);

// send all requests in parallel
std::vector<boost::thread> threads(dns_urls.size());
std::deque<bool> avail(dns_urls.size(), false), valid(dns_urls.size(), false);
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter;
for (size_t n = 0; n < dns_urls.size(); ++n)
{
threads[n] = boost::thread([n, dns_urls, &records, &avail, &valid](){
tpool.submit(&waiter,[n, dns_urls, &records, &avail, &valid](){
records[n] = tools::DNSResolver::instance().get_txt_record(dns_urls[n], avail[n], valid[n]);
});
}
for (size_t n = 0; n < dns_urls.size(); ++n)
threads[n].join();
waiter.wait(&tpool);

size_t cur_index = first_index;
do

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