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#pragma once
class cSocket
{
public:
#ifdef _WIN32
typedef SOCKET xSocket;
#else
typedef int xSocket;
static const int INVALID_SOCKET = -1;
#endif
cSocket(void) : m_Socket(INVALID_SOCKET) {}
cSocket(xSocket a_Socket);
~cSocket();
bool IsValid(void) const { return IsValidSocket(m_Socket); }
void CloseSocket();
operator xSocket() const;
xSocket GetSocket() const;
bool operator == (const cSocket & a_Other) {return m_Socket == a_Other.m_Socket; }
void SetSocket( xSocket a_Socket );
int SetReuseAddress();
static int WSAStartup();
static AString GetErrorString( int a_ErrNo );
static int GetLastError();
static AString GetLastErrorString(void)
{
return GetErrorString(GetLastError());
}
static cSocket CreateSocket();
inline static bool IsSocketError( int a_ReturnedValue )
{
#ifdef _WIN32
return (a_ReturnedValue == SOCKET_ERROR || a_ReturnedValue == 0);
#else
return (a_ReturnedValue <= 0);
#endif
}
static bool IsValidSocket(xSocket a_Socket);
struct SockAddr_In
{
short Family;
unsigned short Port;
unsigned long Address;
};
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
static const int DEFAULT_BACKLOG = 10;
/// 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 = DEFAULT_BACKLOG);
cSocket Accept();
int Connect(SockAddr_In & a_Address); // Returns 0 on success, !0 on failure
int Connect(const AString & a_HostNameOrAddr, unsigned short a_Port); // Returns 0 on success, !0 on failure
int Receive(char * a_Buffer, unsigned int a_Length, unsigned int a_Flags);
int Send (const char * a_Buffer, unsigned int a_Length);
unsigned short GetPort(void) const; // Returns 0 on failure
const AString & GetIPString(void) const { return m_IPString; }
private:
xSocket m_Socket;
AString m_IPString;
};
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