//-< UNISOCK.H >-----------------------------------------------------*--------*// FastDB                    Version 1.0         (c) 1997  GARRET    *     ?  *// (Main Memory Database Management System)                          *   /\|  *//                                                                   *  /  \  *//                          Created:      7-Jan-97    K.A. Knizhnik  * / [] \ *//                          Last update:  7-Jan-97    K.A. Knizhnik  * GARRET *//-------------------------------------------------------------------*--------*// Unix socket //-------------------------------------------------------------------*--------*#ifndef __UNISOCK_H__#define __UNISOCK_H__#include "sockio.h"BEGIN_FASTDB_NAMESPACEclass unix_socket : public socket_t {   protected:     int           fd;     int           errcode;     // error code of last failed operation     char*         address;     // host address    socket_domain domain;      // Unix domain or INET socket    bool          create_file; // Unix domain sockets use files for connection    enum error_codes {         ok = 0,        not_opened = -1,        bad_address = -2,        connection_failed = -3,        broken_pipe = -4,         invalid_access_mode = -5    };  public:     //    // Directory for Unix Domain socket files. This directory should be     // either empty or be terminated with "/". Dafault value is "/tmp/"    //    static char* unix_socket_dir;     bool      open(int listen_queue_size);    bool      connect(int max_attempts, time_t timeout);    int       read(void* buf, size_t min_size, size_t max_size,                    time_t timeout);    bool      write(void const* buf, size_t size);    bool      is_ok();     bool      shutdown();    bool      close();    char*     get_peer_name();    void      get_error_text(char* buf, size_t buf_size);    socket_t* accept();    bool      cancel_accept();        int get_handle();    unix_socket(const char* address, socket_domain domain);     unix_socket(int new_fd);    ~unix_socket();};END_FASTDB_NAMESPACE#endif