/usr/include/socket++/sockstream.h is in libsocket++-dev 1.12.13-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 | // sockstream.h -*- C++ -*- socket library
// Copyright (C) 2002 Herbert Straub
//
// Copyright (C) 1992-1996 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: 12Jan97 1.11
//
// Version: 1.2 2002-07-25 Herbert Straub
// Improved Error Handling - extending the sockerr class by cOperation
// 2003-03-06 Herbert Straub
// adding sockbuf::getname und setname (sockname)
// sockbuf methods throw method name + sockname
#ifndef _SOCKSTREAM_H
#define _SOCKSTREAM_H
#include <iostream> // must be ANSI compatible
#include <cstddef>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include <cstdio>
#ifndef WIN32
# include <sys/types.h>
# include <sys/uio.h>
# include <sys/socket.h>
# define SOCKET int
# define SOCKET_ERROR -1
#else
# include <Wininet.h>
# pragma comment(lib, "Wininet")
#endif
#if defined(__linux__) /*|| defined(__FreeBSD_kernel__)*/
# define MSG_MAXIOVLEN 16
#endif // __linux__
// socket exception classes
class sockerr {
int err;
std::string text;
public:
sockerr (int e, const char *operation = NULL): err (e) {
if (operation != NULL) {
text = operation;
}
}
sockerr (int e, const char *operation, const char *specification) : err (e) {
if (operation != NULL)
text = operation;
if (specification != NULL) {
text += "(";
text += specification;
text += ")";
}
}
sockerr (int e, const std::string &operation): err (e) {
text = operation;
}
sockerr (const sockerr &O) {
err = O.err;
text = O.text;
}
const char* what () const { return "sockerr"; }
const char* operation () const { return text.c_str(); }
// int errno () const { return err; }
int serrno () const { return err; } // LN
const char* errstr () const;
bool error (int eno) const { return eno == err; }
bool io () const; // non-blocking and interrupt io recoverable error.
bool arg () const; // incorrect argument supplied. recoverable error.
bool op () const; // operational error. recovery difficult.
bool conn () const; // connection error
bool addr () const; // address error
bool benign () const; // recoverable read/write error like EINTR etc.
};
class sockoob {
public:
const char* what () const { return "sockoob"; }
};
// socket address classes
struct sockaddr;
class sockAddr {
public:
virtual ~sockAddr() {}
virtual operator void* () const =0;
operator sockaddr* () const { return addr (); }
virtual int size () const =0;
virtual int family () const =0;
virtual sockaddr* addr () const =0;
};
struct msghdr;
// socket buffer class
class sockbuf: public std::streambuf {
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_reuseaddr = SO_REUSEADDR,
so_keepalive = SO_KEEPALIVE,
so_dontroute = SO_DONTROUTE,
so_broadcast = SO_BROADCAST,
so_linger = SO_LINGER,
so_oobinline = SO_OOBINLINE,
so_sndbuf = SO_SNDBUF,
so_rcvbuf = SO_RCVBUF,
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,
#if !(defined(__FreeBSD__) || defined(__GNU__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__APPLE__))
msg_maxiovlen = MSG_MAXIOVLEN
#endif
};
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) {}
};
typedef char char_type;
typedef std::streampos pos_type;
typedef std::streamoff off_type;
typedef int int_type;
typedef int seekdir;
// const int_type eof = EOF;
enum { eof = EOF }; // LN
struct sockdesc {
int sock;
sockdesc (int d): sock (d) {}
};
protected:
struct sockcnt {
SOCKET sock;
int cnt;
int stmo; // -1==block, 0==poll, >0 == waiting time in secs
int rtmo; // -1==block, 0==poll, >0 == waiting time in secs
bool oob; // check for out-of-band byte while reading
void* gend; // end of input buffer
void* pend; // end of output buffer
sockcnt(SOCKET s)
: sock(s), cnt(1), stmo (-1), rtmo (-1), oob (false),
gend (0), pend (0) {}
};
sockcnt* rep; // counts the # refs to sock
std::string sockname; // name of sockbuf - Herbert Straub
#if 0
virtual sockbuf* setbuf (char_type* s, int_type* n);
virtual pos_type seekoff (off_type off,
seekdir way,
std::ios::openmode which = ios::in|ios::out);
virtual pos_type seekpos (pos_type sp,
std::ios::openmode which = ios::in|ios::out);
#endif
virtual int sync ();
virtual int showmanyc () const;
virtual std::streamsize xsgetn (char_type* s, std::streamsize n);
virtual int_type underflow ();
virtual int_type uflow ();
virtual int_type pbackfail (int_type c = eof);
virtual std::streamsize xsputn (const char_type* s, std::streamsize n);
virtual int_type overflow (int_type c = eof);
public:
sockbuf (const sockdesc& sd);
sockbuf (int domain, type, int proto);
sockbuf (const sockbuf&);
// sockbuf& operator = (const sockbuf&);
virtual ~sockbuf ();
int sd () const { return rep->sock; }
int pubsync () { return sync (); }
virtual bool is_open () const;
virtual void bind (sockAddr&);
virtual void connect (sockAddr&);
void listen (int num=somaxconn);
virtual sockdesc accept ();
virtual sockdesc 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(int op, void* buf, int len,
int level=sol_socket) const;
void setopt(int op, void* buf, int len,
int level=sol_socket) const;
type gettype () const;
int clearerror () const;
bool debug () const;
bool debug (bool set) const;
bool reuseaddr () const;
bool reuseaddr (bool set) const;
bool keepalive () const;
bool keepalive (bool set) const;
bool dontroute () const;
bool dontroute (bool set) const;
bool broadcast () const;
bool broadcast (bool set) const;
bool oobinline () const;
bool oobinline (bool set) const;
bool oob () const { return rep->oob; }
bool oob (bool b);
int sendbufsz () const;
int sendbufsz (int sz) const;
int recvbufsz () const;
int recvbufsz (int sz) const;
socklinger linger () const;
socklinger linger (socklinger opt) const;
socklinger linger (int onoff, int tm) const
{ return linger (socklinger (onoff, tm)); }
bool atmark () const;
long nread () const;
long howmanyc () const;
void nbio (bool set=true) const;
inline void setname (const char *name);
inline void setname (const std::string &name);
inline const std::string& getname ();
#ifndef WIN32
void async (bool set=true) const;
int pgrp () const;
int pgrp (int new_pgrp) const;
void closeonexec (bool set=true) const;
#endif
};
class isockstream: public std::istream {
protected:
// isockstream (): std::istream(rdbuf()), ios (0) {}
public:
isockstream(sockbuf* sb): std::ios (sb), std::istream(sb) {}
virtual ~isockstream () {}
sockbuf* rdbuf () { return (sockbuf*)std::ios::rdbuf(); }
sockbuf* operator -> () { return rdbuf(); }
};
class osockstream: public std::ostream {
protected:
// osockstream (): ostream(static_cast<>rdbuf()), std::ios (0) {}
public:
osockstream(sockbuf* sb): std::ios (sb), std::ostream(sb) {}
virtual ~osockstream () {}
sockbuf* rdbuf () { return (sockbuf*)std::ios::rdbuf(); }
sockbuf* operator -> () { return rdbuf(); }
};
class iosockstream: public std::iostream {
protected:
iosockstream ();
public:
iosockstream(sockbuf* sb): std::ios (sb), std::iostream(sb) {}
virtual ~iosockstream () {}
sockbuf* rdbuf () { return (sockbuf*)std::ios::rdbuf(); }
sockbuf* operator -> () { return rdbuf(); }
};
// manipulators
extern osockstream& crlf (osockstream&);
extern osockstream& lfcr (osockstream&);
// inline
void sockbuf::setname (const char *name)
{
sockname = name;
}
void sockbuf::setname (const std::string &name)
{
sockname = name;
}
const std::string& sockbuf::getname ()
{
return sockname;
}
#endif // _SOCKSTREAM_H
|