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Starting an IPv6 support / cSocket rewrite

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1250 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com 2013-03-04 18:40:48 +00:00
parent 01b24d73ea
commit eb68b7ce01
4 changed files with 35 additions and 16 deletions
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24
source/OSSupport/Socket.cpp
View File

@ -207,14 +207,30 @@ unsigned long cSocket::INTERNET_ADDRESS_LOCALHOST(void)
int cSocket::Bind(SockAddr_In& a_Address)
int cSocket::BindToAny(unsigned short a_Port)
{
sockaddr_in local;
memset(&local, 0, sizeof(local));
local.sin_family = a_Address.Family;
local.sin_addr.s_addr = a_Address.Address;
local.sin_port = htons((u_short)a_Address.Port);
local.sin_family = AF_INET;
local.sin_addr.s_addr = 0;
local.sin_port = htons((u_short)a_Port);
return bind(m_Socket, (sockaddr*)&local, sizeof(local));
}
int cSocket::BindToLocalhost(unsigned short a_Port)
{
sockaddr_in local;
memset(&local, 0, sizeof(local));
local.sin_family = AF_INET;;
local.sin_addr.s_addr = INTERNET_ADDRESS_LOCALHOST();
local.sin_port = htons((u_short)a_Port);
return bind(m_Socket, (sockaddr*)&local, sizeof(local));
}

14
source/OSSupport/Socket.h
View File

@ -62,8 +62,20 @@ public:
static const short ADDRESS_FAMILY_INTERNET = 2;
static const unsigned long INTERNET_ADDRESS_ANY = 0;
static unsigned long INTERNET_ADDRESS_LOCALHOST(void); // 127.0.0.1 represented in network byteorder; must be a function due to GCC :(
static const unsigned short ANY_PORT = 0; // When given to Bind() functions, they will find a free port
int Bind( SockAddr_In& a_Address );
/// Binds to the specified port on "any" interface (0.0.0.0)
int BindToAny(unsigned short a_Port);
/*
// TODO:
/// Binds to the specified port
int BindToAny6(unsigned short a_Port);
*/
/// Binds to the specified port on localhost interface (127.0.0.1) through IPv4
int BindToLocalhost(unsigned short a_Port);
int Listen( int a_Backlog );
cSocket Accept();
int Connect(SockAddr_In & a_Address); // Returns 0 on success, !0 on failure

6
source/OSSupport/SocketThreads.cpp
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@ -433,11 +433,7 @@ bool cSocketThreads::cSocketThread::Start(void)
LOGERROR("Cannot create a Control socket for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str());
return false;
}
cSocket::SockAddr_In Addr;
Addr.Family = cSocket::ADDRESS_FAMILY_INTERNET;
Addr.Address = cSocket::INTERNET_ADDRESS_LOCALHOST();
Addr.Port = 0; // Any free port is okay
if (m_ControlSocket2.Bind(Addr) != 0)
if (m_ControlSocket2.BindToLocalhost(cSocket::ANY_PORT) != 0)
{
LOGERROR("Cannot bind a Control socket for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str());
m_ControlSocket2.CloseSocket();

7
source/Server.cpp
View File

@ -188,12 +188,7 @@ bool cServer::InitServer(cIniFile & a_SettingsIni)
int Port = a_SettingsIni.GetValueSetI("Server", "Port", 25565);
cSocket::SockAddr_In local;
local.Family = cSocket::ADDRESS_FAMILY_INTERNET;
local.Address = cSocket::INTERNET_ADDRESS_ANY;
local.Port = (unsigned short)Port;
if( m_pState->SListenClient.Bind( local ) != 0 )
if (m_pState->SListenClient.BindToAny(Port) != 0)
{
LOGERROR("bind fail (%s)", cSocket::GetErrorString( cSocket::GetLastError() ).c_str() );
return false;