1 files changed, 0 insertions, 112 deletions
diff --git a/src/network/dns_handler.cpp b/src/network/dns_handler.cpp
deleted file mode 100644
index 45bf626..0000000
--- a/src/network/dns_handler.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-#include <config.h>
-#ifdef CARES_FOUND
-
-#include <network/dns_socket_handler.hpp>
-#include <network/tcp_socket_handler.hpp>
-#include <network/dns_handler.hpp>
-#include <network/poller.hpp>
-
-#include <algorithm>
-#include <stdexcept>
-
-DNSHandler DNSHandler::instance;
-
-using namespace std::string_literals;
-
-void on_hostname4_resolved(void* arg, int status, int, struct hostent* hostent)
-{
-  TCPSocketHandler* socket_handler = static_cast<TCPSocketHandler*>(arg);
-  socket_handler->on_hostname4_resolved(status, hostent);
-}
-
-void on_hostname6_resolved(void* arg, int status, int, struct hostent* hostent)
-{
-  TCPSocketHandler* socket_handler = static_cast<TCPSocketHandler*>(arg);
-  socket_handler->on_hostname6_resolved(status, hostent);
-}
-
-DNSHandler::DNSHandler()
-{
-  int ares_error;
-  if ((ares_error = ::ares_library_init(ARES_LIB_INIT_ALL)) != 0)
-    throw std::runtime_error("Failed to initialize c-ares lib: "s + ares_strerror(ares_error));
-  if ((ares_error = ::ares_init(&this->channel)) != ARES_SUCCESS)
-    throw std::runtime_error("Failed to initialize c-ares channel: "s + ares_strerror(ares_error));
-}
-
-ares_channel& DNSHandler::get_channel()
-{
-  return this->channel;
-}
-
-void DNSHandler::destroy()
-{
-  this->socket_handlers.clear();
-  ::ares_destroy(this->channel);
-  ::ares_library_cleanup();
-}
-
-void DNSHandler::gethostbyname(const std::string& name,
-                               TCPSocketHandler* socket_handler, int family)
-{
-  socket_handler->free_cares_addrinfo();
-  if (family == AF_INET)
-    ::ares_gethostbyname(this->channel, name.data(), family,
-                         &::on_hostname4_resolved, socket_handler);
-  else
-    ::ares_gethostbyname(this->channel, name.data(), family,
-                         &::on_hostname6_resolved, socket_handler);
-}
-
-void DNSHandler::watch_dns_sockets(std::shared_ptr<Poller>& poller)
-{
-  fd_set readers;
-  fd_set writers;
-
-  FD_ZERO(&readers);
-  FD_ZERO(&writers);
-
-  int ndfs = ::ares_fds(this->channel, &readers, &writers);
-  // For each existing DNS socket, see if we are still supposed to watch it,
-  // if not then erase it
-  this->socket_handlers.erase(
-      std::remove_if(this->socket_handlers.begin(), this->socket_handlers.end(),
-                     [&readers](const auto& dns_socket)
-                     {
-                       return !FD_ISSET(dns_socket->get_socket(), &readers);
-                     }),
-      this->socket_handlers.end());
-
-  for (auto i = 0; i < ndfs; ++i)
-    {
-      bool read = FD_ISSET(i, &readers);
-      bool write = FD_ISSET(i, &writers);
-      // Look for the DNSSocketHandler with this fd
-      auto it = std::find_if(this->socket_handlers.begin(),
-                             this->socket_handlers.end(),
-                             [i](const auto& socket_handler)
-                             {
-        return i == socket_handler->get_socket();
-      });
-      if (!read && !write)      // No need to read or write to it
-        { // If found, erase it and stop watching it because it is not
-          // needed anymore
-          if (it != this->socket_handlers.end())
-            // The socket destructor removes it from the poller
-            this->socket_handlers.erase(it);
-        }
-      else            // We need to write and/or read to it
-        { // If not found, create it because we need to watch it
-          if (it == this->socket_handlers.end())
-            {
-              this->socket_handlers.emplace_front(std::make_unique<DNSSocketHandler>(poller, i));
-              it = this->socket_handlers.begin();
-            }
-          poller->add_socket_handler(it->get());
-          if (write)
-            poller->watch_send_events(it->get());
-        }
-    }
-}
-
-#endif /* CARES_FOUND */