const SimulatorIMP& SimulatorIMP::execute(Algorithm alg) {
try {
init();
while (!finished()) {
fillUpdateBuffer();
handleQueries();
evictFromUpdateBuffer(alg);
//std::cout << totalSeenPostings << "\n";
}
}
catch (std::exception &e) {
std::cerr << "Error: " << e.what() << std::endl;
}
return *this;
}
int SocketLayer::RecvFrom( const SOCKET s, RakPeer *rakPeer, int *errorCode )
{
int len;
char data[ MAXIMUM_MTU_SIZE ];
sockaddr_in sa;
const socklen_t len2 = sizeof( struct sockaddr_in );
sa.sin_family = AF_INET;
#ifdef _DEBUG
data[ 0 ] = 0;
len = 0;
sa.sin_addr.s_addr = 0;
#endif
if ( s == INVALID_SOCKET )
{
*errorCode = SOCKET_ERROR;
return SOCKET_ERROR;
}
len = recvfrom( s, data, MAXIMUM_MTU_SIZE, COMPATIBILITY_2_RECV_FROM_FLAGS, ( sockaddr* ) & sa, ( socklen_t* ) & len2 );
// if (len>0)
// printf("Got packet on port %i\n",ntohs(sa.sin_port));
if ( len == 0 )
{
#ifdef _DEBUG
printf( "Error: recvfrom returned 0 on a connectionless blocking call\non port %i. This is a bug with Zone Alarm. Please turn off Zone Alarm.\n", ntohs( sa.sin_port ) );
assert( 0 );
#endif
*errorCode = SOCKET_ERROR;
return SOCKET_ERROR;
}
if ( len != SOCKET_ERROR )
{
#ifndef RAKSAMP_CLIENT
if(*reinterpret_cast<DWORD *>(data) == 'PMAS')
{
handleQueries(s, len2, sa, data);
return 1;
}
unKyretardizeDatagram((unsigned char *)data, len, iPort, 0);
#endif
unsigned short portnum;
portnum = ntohs( sa.sin_port );
//strcpy(ip, inet_ntoa(sa.sin_addr));
//if (strcmp(ip, "0.0.0.0")==0)
// strcpy(ip, "127.0.0.1");
#ifndef RAKSAMP_CLIENT
ProcessNetworkPacket( sa.sin_addr.s_addr, portnum, (char *)decrBuffer, len - 1, rakPeer );
#else
ProcessNetworkPacket( sa.sin_addr.s_addr, portnum, data, len, rakPeer );
#endif
return 1;
}
else
{
*errorCode = 0;
#if defined(_WIN32) && !defined(_COMPATIBILITY_1) && defined(_DEBUG)
DWORD dwIOError = WSAGetLastError();
if ( dwIOError == WSAEWOULDBLOCK )
{
return SOCKET_ERROR;
}
if ( dwIOError == WSAECONNRESET )
{
#if defined(_DEBUG)
// printf( "A previous send operation resulted in an ICMP Port Unreachable message.\n" );
#endif
unsigned short portnum=0;
ProcessPortUnreachable(sa.sin_addr.s_addr, portnum, rakPeer);
// *errorCode = dwIOError;
return SOCKET_ERROR;
}
else
{
#if defined(_DEBUG)
if ( dwIOError != WSAEINTR )
{
LPVOID messageBuffer;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, dwIOError, MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ), // Default language
( LPTSTR ) & messageBuffer, 0, NULL );
// something has gone wrong here...
printf( "recvfrom failed:Error code - %d\n%s", dwIOError, messageBuffer );
//Free the buffer.
LocalFree( messageBuffer );
}
#endif
}
#endif
}
return 0; // no data
}