mirror of
https://github.com/FairRootGroup/FairMQ.git
synced 2025-10-15 09:31:45 +00:00
Improve compilation speed
This commit is contained in:
Alexey Rybalchenko
committed by
Dennis Klein
Dennis Klein
parent
436f79bee5
commit
e4c349888d
@@ -9,27 +9,20 @@
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#ifndef FAIR_MQ_TOOLS_NETWORK_H
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#define FAIR_MQ_TOOLS_NETWORK_H
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE // To get defns of NI_MAXSERV and NI_MAXHOST
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#endif
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#include "FairMQLogger.h"
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netdb.h>
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#include <ifaddrs.h>
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#include <stdio.h>
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#include <boost/algorithm/string.hpp> // trim
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#include <boost/asio.hpp>
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#include <map>
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#include <string>
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#include <iostream>
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#include <array>
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#include <exception>
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#include <algorithm>
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// forward declarations
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namespace boost
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{
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namespace asio
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{
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class io_context;
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typedef class io_context io_service;
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} // namespace asio
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} // namespace boost
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namespace fair
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{
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@@ -39,152 +32,17 @@ namespace tools
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{
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// returns a map with network interface names as keys and their IP addresses as values
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inline int getHostIPs(std::map<std::string, std::string>& addressMap)
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{
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struct ifaddrs *ifaddr, *ifa;
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int s;
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1)
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{
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perror("getifaddrs");
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return -1;
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}
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
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{
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if (ifa->ifa_addr == NULL)
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{
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continue;
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}
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if (ifa->ifa_addr->sa_family == AF_INET)
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{
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
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if (s != 0)
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{
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std::cout << "getnameinfo() failed: " << gai_strerror(s) << std::endl;
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return -1;
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}
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addressMap.insert(std::pair<std::string, std::string>(ifa->ifa_name, host));
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}
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}
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freeifaddrs(ifaddr);
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return 0;
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}
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int getHostIPs(std::map<std::string, std::string>& addressMap);
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// get IP address of a given interface name
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inline std::string getInterfaceIP(std::string interface)
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{
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std::map<std::string, std::string> IPs;
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getHostIPs(IPs);
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if (IPs.count(interface))
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{
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return IPs[interface];
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}
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else
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{
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LOG(error) << "Could not find provided network interface: \"" << interface << "\"!, exiting.";
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return "";
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}
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}
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std::string getInterfaceIP(const std::string& interface);
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// get name of the default route interface
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inline std::string getDefaultRouteNetworkInterface()
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{
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std::array<char, 128> buffer;
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std::string interfaceName;
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std::string getDefaultRouteNetworkInterface();
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#ifdef __APPLE__ // MacOS
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std::unique_ptr<FILE, decltype(pclose) *> file(popen("route -n get default | grep interface | cut -d \":\" -f 2", "r"), pclose);
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#else // Linux
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std::unique_ptr<FILE, decltype(pclose) *> file(popen("ip route | grep default | cut -d \" \" -f 5 | head -n 1", "r"), pclose);
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#endif
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std::string getIpFromHostname(const std::string& hostname);
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if (!file)
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{
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LOG(error) << "Could not detect default route network interface name - popen() failed!";
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return "";
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}
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while (!feof(file.get()))
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{
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if (fgets(buffer.data(), 128, file.get()) != NULL)
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{
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interfaceName += buffer.data();
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}
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}
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boost::algorithm::trim(interfaceName);
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if (interfaceName == "")
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{
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LOG(error) << "Could not detect default route network interface name";
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}
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else
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{
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LOG(debug) << "Detected network interface name for the default route: " << interfaceName;
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}
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return interfaceName;
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}
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inline std::string getIpFromHostname(const std::string& hostname)
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{
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try {
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namespace bai = boost::asio::ip;
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boost::asio::io_service ios;
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bai::tcp::resolver resolver(ios);
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bai::tcp::resolver::query query(hostname, "");
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bai::tcp::resolver::iterator end;
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auto it = std::find_if(static_cast<bai::basic_resolver_iterator<bai::tcp>>(resolver.resolve(query)), end, [](const bai::tcp::endpoint& ep) {
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return ep.address().is_v4();
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});
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if (it != end) {
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std::stringstream ss;
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ss << static_cast<bai::tcp::endpoint>(*it).address();
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return ss.str();
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}
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LOG(warn) << "could not find ipv4 address for hostname '" << hostname << "'";
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return "";
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} catch (std::exception& e) {
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LOG(error) << "could not resolve hostname '" << hostname << "', reason: " << e.what();
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return "";
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}
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}
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inline std::string getIpFromHostname(const std::string& hostname, boost::asio::io_service& ios)
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{
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try {
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namespace bai = boost::asio::ip;
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bai::tcp::resolver resolver(ios);
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bai::tcp::resolver::query query(hostname, "");
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bai::tcp::resolver::iterator end;
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auto it = std::find_if(static_cast<bai::basic_resolver_iterator<bai::tcp>>(resolver.resolve(query)), end, [](const bai::tcp::endpoint& ep) {
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return ep.address().is_v4();
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});
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if (it != end) {
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std::stringstream ss;
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ss << static_cast<bai::tcp::endpoint>(*it).address();
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return ss.str();
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}
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LOG(warn) << "could not find ipv4 address for hostname '" << hostname << "'";
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return "";
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} catch (std::exception& e) {
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LOG(error) << "could not resolve hostname '" << hostname << "', reason: " << e.what();
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return "";
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}
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}
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std::string getIpFromHostname(const std::string& hostname, boost::asio::io_service& ios);
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} /* namespace tools */
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} /* namespace mq */
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