2 * Copyright (c) 2003 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
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12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 #include <sys/types.h>
30 #include <sys/socket.h>
32 #include <netinet/in.h>
33 #include <netinet/tcp.h>
38 #include "sim/host.hh"
39 #include "base/misc.hh"
40 #include "base/socket.hh"
44 ////////////////////////////////////////////////////////////////////////
48 ListenSocket::ListenSocket()
49 : listening(false), fd(-1)
52 ListenSocket::~ListenSocket()
58 // Create a socket and configure it for listening
60 ListenSocket::listen(int port
, bool reuse
)
63 panic("Socket already listening!");
65 fd
= ::socket(PF_INET
, SOCK_STREAM
, 0);
67 panic("Can't create socket!");
71 if (::setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (char *)&i
,
73 panic("ListenSocket(listen): setsockopt() SO_REUSEADDR failed!");
76 struct sockaddr_in sockaddr
;
77 sockaddr
.sin_family
= PF_INET
;
78 sockaddr
.sin_addr
.s_addr
= INADDR_ANY
;
80 sockaddr
.sin_port
= htons(port
);
81 int ret
= ::bind(fd
, (struct sockaddr
*)&sockaddr
, sizeof (sockaddr
));
83 if (ret
== -1 && errno
!= EADDRINUSE
)
84 panic("ListenSocket(listen): bind() failed!");
88 if (::listen(fd
, 1) == -1)
89 panic("ListenSocket(listen): listen() failed!");
96 #if !defined(__OpenBSD__) && !defined(linux)
97 typedef int socklen_t
;
100 // Open a connection. Accept will block, so if you don't want it to,
101 // make sure a connection is ready before you call accept.
103 ListenSocket::accept(bool nodelay
)
105 struct sockaddr_in sockaddr
;
106 socklen_t slen
= sizeof (sockaddr
);
107 int sfd
= ::accept(fd
, (struct sockaddr
*)&sockaddr
, &slen
);
108 if (sfd
!= -1 && nodelay
) {
110 ::setsockopt(sfd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&i
, sizeof(i
));