sockstream.h
上传用户:xqtpzdz
上传日期:2022-05-21
资源大小:1764k
文件大小:9k
源码类别:
xml/soap/webservice
开发平台:
Visual C++
- // sockstream.h -*- C++ -*- socket library
- // Copyright (C) 1992,1993,1994 Gnanasekaran Swaminathan <gs4t@virginia.edu>
- //
- // Permission is granted to use at your own risk and distribute this software
- // in source and binary forms provided the above copyright notice and this
- // paragraph are preserved on all copies. This software is provided "as is"
- // with no express or implied warranty.
- //
- // Version: 17Oct95 1.10
- #ifndef _SOCKSTREAM_H
- #define _SOCKSTREAM_H
- #ifdef WIN32
- typedef int socklen_t;
- typedef unsigned long in_addr_t;
- #else
- #include <sockconfig.h>
- #if defined(_linux_) && (! defined(IPPROTO_IP))
- typedef uint32_t in_addr_t;
- #endif
- #endif
- // Uses ANSI C++ IOStream classes
- #include <iostream>
- using namespace std;
- #include <stddef.h>
- #include <stdio.h>
- #ifndef _WIN32
- #include <sys/types.h>
- #include <sys/uio.h>
- #include <sys/socket.h>
- #else
- #include <winsock.h>
- #endif
- #include "SWIutilLogger.hpp"
- #ifndef _G_config_h
- // non libg++ or g++ compilation
- # define _S_NOLIBGXX
- # define _S_USER_BUF 0x0001
- # define _S_UNBUFFERED 0x0002
- # define _S_NO_READS 0x0004
- # define _S_NO_WRITES 0x0008
- # define _S_EOF_SEEN 0x0010
- # define _S_ERR_SEEN 0x0020
- # define _S_DELETE_DONT_CLOSE 0x0040
- # define _S_LINKED 0x0080
- # define _S_LINE_BUF 0x0200
- # define _G_ssize_t size_t
- #else
- # ifndef _S_USER_BUF
- // libg++ 2.5.x
- # define _S_USER_BUF _IO_USER_BUF
- # define _S_UNBUFFERED _IO_UNBUFFERED
- # define _S_NO_READS _IO_NO_READS
- # define _S_NO_WRITES _IO_NO_WRITES
- # define _S_EOF_SEEN _IO_EOF_SEEN
- # define _S_ERR_SEEN _IO_ERR_SEEN
- # define _S_DELETE_DONT_CLOSE _IO_DELETE_DONT_CLOSE
- # define _S_LINKED _IO_LINKED
- # define _S_LINE_BUF _IO_LINE_BUF
- # endif // !_S_USER_BUF
- #endif // !_G_config_h
- #ifdef __linux__
- // linux leaves these things out. We define it for compatitbility
- // not for their use.
- #ifndef SO_ACCEPTCONN
- # define SO_ACCEPTCONN 0x0002
- #endif
- #ifndef SO_USELOOPBACK
- # define SO_USELOOPBACK 0x0040
- #endif
- #ifndef SO_SNDLOWAT
- # define SO_SNDLOWAT 0x1003
- # define SO_RCVLOWAT 0x1004
- # define SO_SNDTIMEO 0x1005
- # define SO_RCVTIMEO 0x1006
- #endif
- # define MSG_MAXIOVLEN 16
- #ifndef SOMAXCONN
- # define SOMAXCONN 5
- #endif
- #endif // __linux__
- #define SOCK_ERROR(classname, msg)
- {
- if (errno)
- Error(500, L"%s%S%s%S%s%S%s%d", L"class", classname, L"msg", msg,
- L"errnoStr", strerror(errno), L"errno", errno);
- else
- Error(500, L"%s%S%s%S", L"class", classname, L"msg", msg);
- }
- typedef int sockexcept;
- #if defined(_WIN32) || (defined(__GNUC__) && (__GNUC__ > 2))
- #define underflow_ret_t int
- #else
- #if defined(_decunix_)
- #define underflow_ret_t streambuf::int_type
- #else
- #define underflow_ret_t unsigned int
- #endif
- #endif
- struct sockaddr;
- class SWIUTIL_API_CLASS sockAddr : public SWIutilLogger
- {
- public:
- sockAddr(const VXIchar *moduleName, VXIlogInterface *pVXILog,
- VXIunsigned diagTagBase)
- : SWIutilLogger (moduleName, pVXILog, diagTagBase) {}
- virtual ~sockAddr() {}
- virtual operator void* () const =0;
- operator sockaddr* () const { return addr (); }
- virtual socklen_t size () const =0;
- virtual int family () const =0;
- virtual sockaddr* addr () const =0;
- };
- struct msghdr;
- class SWIUTIL_API_CLASS sockbuf: public streambuf, public SWIutilLogger
- {
- public:
- enum type {
- sock_stream = SOCK_STREAM,
- sock_dgram = SOCK_DGRAM,
- sock_raw = SOCK_RAW,
- sock_rdm = SOCK_RDM,
- sock_seqpacket = SOCK_SEQPACKET
- };
- enum option {
- so_debug = SO_DEBUG,
- so_acceptconn = SO_ACCEPTCONN,
- so_reuseaddr = SO_REUSEADDR,
- so_keepalive = SO_KEEPALIVE,
- so_dontroute = SO_DONTROUTE,
- so_broadcast = SO_BROADCAST,
- so_useloopback = SO_USELOOPBACK,
- so_linger = SO_LINGER,
- so_oobinline = SO_OOBINLINE,
- so_sndbuf = SO_SNDBUF,
- so_rcvbuf = SO_RCVBUF,
- so_sndlowat = SO_SNDLOWAT,
- so_rcvlowat = SO_RCVLOWAT,
- so_sndtimeo = SO_SNDTIMEO,
- so_rcvtimeo = SO_RCVTIMEO,
- so_error = SO_ERROR,
- so_type = SO_TYPE
- };
- enum level { sol_socket = SOL_SOCKET };
- enum msgflag {
- msg_oob = MSG_OOB,
- msg_peek = MSG_PEEK,
- msg_dontroute = MSG_DONTROUTE,
- msg_maxiovlen = MSG_MAXIOVLEN
- };
- enum shuthow {
- shut_read,
- shut_write,
- shut_readwrite
- };
- enum { somaxconn = SOMAXCONN };
- struct socklinger {
- int l_onoff; // option on/off
- int l_linger; // linger time
- socklinger (int a, int b): l_onoff (a), l_linger (b) {}
- };
- protected:
- struct sockcnt {
- SOCKET sock;
- int cnt;
- sockcnt(SOCKET s, int c): sock(s), cnt(c) {}
- };
- sockcnt* rep; // counts the # refs to sock
- int stmo; // -1==block, 0==poll, >0 == waiting time in secs
- int rtmo; // -1==block, 0==poll, >0 == waiting time in secs
- virtual underflow_ret_t underflow ();
- virtual sockbuf::int_type overflow (sockbuf::int_type c = EOF);
- virtual int doallocate ();
- int flush_output ();
- #if defined(_WIN32) || (defined(__GNUC__)) || (defined(_decunix_))
- // backward compatible methods from old <streambuf.h> but missing from <streambuf>
- char* base() { return eback(); }
- void setb(char* b, char* eb, int a =0) { setbuf(b, eb-b); }
- int unbuffered() { return (egptr() <= base()+1) && (epptr() == pbase()); }
- #endif
- #if defined(_S_NOLIBGXX) || (defined(__GNUC__) && (__GNUC__ > 1))
- int x_flags; // port to USL iostream
- int xflags () const { return x_flags; }
- int xsetflags (int f) { return x_flags |= f; }
- int xflags (int f)
- { int ret = x_flags; x_flags = f; return ret; }
- void xput_char (char c) { *pptr() = c; pbump (1); }
- int linebuffered () const { return x_flags & _S_LINE_BUF; }
- #endif // _S_NOLIBGXX
- public:
- sockbuf (const VXIchar *moduleName, VXIlogInterface *pVXILog,
- VXIunsigned diagTagBase, SOCKET soc = INVALID_SOCKET);
- sockbuf (const VXIchar *moduleName, VXIlogInterface *pVXILog,
- VXIunsigned diagTagBase, int domain, type st, int proto=0);
- sockbuf (const sockbuf&);
- sockbuf& operator = (const sockbuf&);
- virtual ~sockbuf ();
- operator int () const { return rep->sock; }
- virtual sockbuf* open (type, int proto=0);
- virtual sockbuf* close ();
- virtual int sync ();
- virtual _G_ssize_t sys_read (char* buf, _G_ssize_t len);
- virtual _G_ssize_t sys_write (const void* buf, long len);
- virtual int xsputn (const char* s, int n);
- int is_open () const { return rep->sock != INVALID_SOCKET; }
- int is_eof () { return xflags() & _S_EOF_SEEN; }
- virtual int bind (sockAddr&);
- virtual int connect (sockAddr&);
- int listen (int num=somaxconn);
- virtual sockbuf accept ();
- virtual sockbuf accept (sockAddr& sa);
- int read (void* buf, int len);
- int recv (void* buf, int len, int msgf=0);
- int recvfrom(sockAddr& sa,void* buf, int len, int msgf=0);
- #if !defined(__linux__) && !defined(_WIN32)
- int recvmsg (msghdr* msg, int msgf=0);
- int sendmsg (msghdr* msg, int msgf=0);
- #endif
- int write (const void* buf, int len);
- int send (const void* buf, int len, int msgf=0);
- int sendto (sockAddr& sa,const void* buf, int len, int msgf=0);
- int sendtimeout (int wp=-1);
- int recvtimeout (int wp=-1);
- int is_readready (int wp_sec, int wp_usec=0) const;
- int is_writeready (int wp_sec, int wp_usec=0) const;
- int is_exceptionpending (int wp_sec, int wp_usec=0) const;
- void shutdown (shuthow sh);
- int getopt(option op, void* buf,int len,
- level l=sol_socket) const;
- int setBlocking(bool blocking);
- void setopt(option op, void* buf,int len,
- level l=sol_socket) const;
- type gettype () const;
- int clearerror () const;
- int debug (int opt= -1) const;
- int reuseaddr (int opt= -1) const;
- int keepalive (int opt= -1) const;
- int dontroute (int opt= -1) const;
- int broadcast (int opt= -1) const;
- int oobinline (int opt= -1) const;
- int linger (int tim= -1) const;
- int sendbufsz (int sz=-1) const;
- int recvbufsz (int sz=-1) const;
- void error (const char* errmsg) const;
- };
- class SWIUTIL_API_CLASS isockstream: public istream
- {
- protected:
- isockstream ():
- istream (0)
- {}
- public:
- isockstream(sockbuf* sb):
- istream (sb)
- {}
- virtual ~isockstream ();
- sockbuf* rdbuf () { return static_cast<sockbuf*>(ios::rdbuf());}
- sockbuf* operator -> () { return rdbuf(); }
- };
- class SWIUTIL_API_CLASS osockstream: public ostream
- {
- protected:
- osockstream():
- ostream (0)
- {}
- public:
- osockstream(sockbuf* sb):
- ostream (sb)
- {}
- virtual ~osockstream ();
- sockbuf* rdbuf () { return static_cast<sockbuf*>(ios::rdbuf());}
- sockbuf* operator -> () { return rdbuf(); }
- };
- class SWIUTIL_API_CLASS iosockstream: public iostream
- {
- protected:
- iosockstream ():
- iostream (0)
- {}
- public:
- iosockstream(sockbuf *sb):
- iostream (sb)
- {}
- virtual ~iosockstream ();
- sockbuf* rdbuf () { return static_cast<sockbuf*>(ios::rdbuf());}
- sockbuf* operator -> () { return rdbuf(); }
- };
- #endif // _SOCKSTREAM_H