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#include "protocol.h"
#include <sys/socket.h>
#include <unistd.h>
#include <system_error>
namespace erebos {
NetworkProtocol::NetworkProtocol():
sock(-1)
{}
NetworkProtocol::NetworkProtocol(int s):
sock(s)
{}
NetworkProtocol::NetworkProtocol(NetworkProtocol && other):
sock(other.sock)
{
other.sock = -1;
}
NetworkProtocol & NetworkProtocol::operator=(NetworkProtocol && other)
{
sock = other.sock;
other.sock = -1;
return *this;
}
NetworkProtocol::~NetworkProtocol()
{
if (sock >= 0)
close(sock);
}
bool NetworkProtocol::recvfrom(vector<uint8_t> & buffer, sockaddr_in6 & addr)
{
socklen_t addrlen = sizeof(addr);
buffer.resize(4096);
ssize_t ret = ::recvfrom(sock, buffer.data(), buffer.size(), 0,
(sockaddr *) &addr, &addrlen);
if (ret < 0)
throw std::system_error(errno, std::generic_category());
if (ret == 0)
return false;
buffer.resize(ret);
return true;
}
void NetworkProtocol::sendto(const vector<uint8_t> & buffer, sockaddr_in addr)
{
::sendto(sock, buffer.data(), buffer.size(), 0,
(sockaddr *) &addr, sizeof(addr));
}
void NetworkProtocol::sendto(const vector<uint8_t> & buffer, sockaddr_in6 addr)
{
::sendto(sock, buffer.data(), buffer.size(), 0,
(sockaddr *) &addr, sizeof(addr));
}
void NetworkProtocol::shutdown()
{
::shutdown(sock, SHUT_RDWR);
}
}
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