http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/htdig/Connection.h

// // Connection.h // // Connection: This class forms a easy to use interface to the berkeley // tcp socket library. All the calls are basically the same, // but the parameters do not have any stray _addr or _in // mixed in... // // Part of the ht://Dig package <http://www.htdig.org/> // Copyright (c) 1995-2004 The ht://Dig Group // For copyright details, see the file COPYING in your distribution // or the GNU Library General Public License (LGPL) version 2 or later // <http://www.gnu.org/copyleft/lgpl.html> // // $Id: Connection.h,v 1.10 2004/05/28 13:15:22 lha Exp $ // #ifndef _Connection_h_ #define _Connection_h_ #include "Object.h" #include "htString.h" #include <stdlib.h> #include <sys/types.h> #ifdef _MSC_VER /* _WIN32 */ #include <winsock.h> #else #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #endif class Connection : public Object { public: // Constructors & Destructors Connection(int socket = -1); // Default constructor Connection(const Connection& rhs); // Copy constructor ~Connection(); // (De)initialization int Win32Socket_Init(void); int Open(int priv = 0); virtual int Close(); int Ndelay(); int Nondelay(); int Timeout(int value); int Retries(int value); int WaitTime(unsigned int _wt); // Port stuff int Assign_Port(int port = 0); int Assign_Port(const String& service); int Get_Port(); inline int Is_Privileged(); // Host stuff int Assign_Server(const String& name); int Assign_Server(unsigned int addr = INADDR_ANY); const String &Get_Server() const { return server_name; } const String &Get_Server_IPAddress() const { return server_ip_address; } // Connection establishment virtual int Connect(); Connection *Accept(int priv = 0); Connection *Accept_Privileged(); // Registration things int Bind(); int Listen(int n = 5); // IO String* Read_Line(String &, char *terminator = (char *)"\n"); char* Read_Line(char *buffer, int maxlength, char *terminator=(char *)"\n"); String* Read_Line(char *terminator = (char *)"\n"); virtual int Read_Char(); int Write_Line(char *buffer, char *eol = (char *)"\n"); int Write(char *buffer, int maxlength = -1); int Read(char *buffer, int maxlength); virtual int Read_Partial(char *buffer, int maxlength); virtual int Write_Partial(char *buffer, int maxlength); void Stop_IO() {need_io_stop = 1;} // Access to socket number char *Socket_as_String(); int Get_Socket() { return sock; } int IsOpen() { return sock >= 0; } int IsConnected() { return connected; } // Access to info about remote socket const char* Get_PeerIP() const; const char* Get_Peername(); // A method to re-initialize the buffer virtual void Flush(); private: // // For buffered IO we will need a buffer // enum {BUFFER_SIZE = 8192}; char buffer[BUFFER_SIZE]; int pos, pos_max; // Assignment operator declared private for preventing any use Connection& operator+ (const Connection& rhs) { return *this; } protected: int sock; struct sockaddr_in server; int connected; String peer; String server_name; String server_ip_address; int need_io_stop; int timeout_value; int retry_value; unsigned int wait_time; // time to wait after an // unsuccessful connection }; //************************************************************************* // inline int Connection::Is_Privileged() // PURPOSE: // Return whether the port is priveleged or not. // inline int Connection::Is_Privileged() { return server.sin_port < 1023; } // // Get arround the lack of gethostip() library call... There is a gethostname() // call but we want the IP address, not the name! // The call will put the ASCII string representing the IP address in the supplied // buffer and it will also return the 4 byte unsigned long equivalent of it. // The ip buffer can be null... // unsigned int gethostip(char *ip = 0, int length = 0); #endif