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00007 #include "wvistreamlist.h"
00008 #include "wvunixsocket.h"
00009 #include "wvmoniker.h"
00010
00011 #if HAVE_ERRNO_H
00012 # include <errno.h>
00013 #endif
00014 #include <stdio.h>
00015 #if HAVE_SYS_TYPES_H
00016 # include <sys/types.h>
00017 #endif
00018 #if STDC_HEADERS
00019 # include <stdlib.h>
00020 # include <stddef.h>
00021 #else
00022 # if HAVE_STDLIB_H
00023 # include <stdlib.h>
00024 # endif
00025 #endif
00026 #if HAVE_SYS_STAT_H
00027 # include <sys/stat.h>
00028 #endif
00029 #if HAVE_SYS_SOCKET_H
00030 # include <sys/socket.h>
00031 #endif
00032 #if HAVE_NETDB_H
00033 # include <netdb.h>
00034 #endif
00035 #if HAVE_NETINET_IN_H
00036 # include <netinet/in.h>
00037 #endif
00038 #if HAVE_NETINET_IP_H
00039 # if HAVE_NETINET_IN_SYSTM_H
00040 # include <netinet/in_systm.h>
00041 # endif
00042 # include <netinet/ip.h>
00043 #endif
00044 #if HAVE_NETINET_TCP_H
00045 # include <netinet/tcp.h>
00046 #endif
00047
00048 #include <fcntl.h>
00049 #include <sys/un.h>
00050
00051 static IWvStream *creator(WvStringParm s)
00052 {
00053 return new WvUnixConn(s);
00054 }
00055
00056 static WvMoniker<IWvStream> reg("unix", creator);
00057
00058
00059 WvUnixConn::WvUnixConn(int _fd, const WvUnixAddr &_addr)
00060 : WvFDStream(_fd), addr(_addr)
00061 {
00062
00063 set_nonblock(true);
00064 set_close_on_exec(true);
00065 }
00066
00067
00068 WvUnixConn::WvUnixConn(const WvUnixAddr &_addr)
00069 : addr(_addr)
00070 {
00071 setfd(socket(PF_UNIX, SOCK_STREAM, 0));
00072 if (getfd() < 0)
00073 {
00074 seterr(errno);
00075 return;
00076 }
00077
00078
00079 fcntl(getfd(), F_SETFD, FD_CLOEXEC);
00080 fcntl(getfd(), F_SETFL, O_RDWR|O_NONBLOCK);
00081
00082 sockaddr *sa = addr.sockaddr();
00083 if (connect(getfd(), sa, addr.sockaddr_len()) < 0)
00084 seterr(errno);
00085 delete sa;
00086
00087
00088 set_nonblock(true);
00089 set_close_on_exec(true);
00090 }
00091
00092
00093 WvUnixConn::~WvUnixConn()
00094 {
00095
00096
00097
00098
00099 close();
00100 }
00101
00102
00103 const WvUnixAddr *WvUnixConn::src() const
00104 {
00105 return &addr;
00106 }
00107
00108
00109 WvUnixListener::WvUnixListener(const WvUnixAddr &_addr, int create_mode)
00110 : addr(_addr)
00111 {
00112 mode_t oldmask;
00113
00114 auto_list = NULL;
00115 auto_userdata = NULL;
00116 bound_okay = false;
00117
00118 setfd(socket(PF_UNIX, SOCK_STREAM, 0));
00119 if (getfd() < 0 || fcntl(getfd(), F_SETFD, 1))
00120 {
00121 seterr(errno);
00122 return;
00123 }
00124
00125 sockaddr *sa = addr.sockaddr();
00126 size_t salen = addr.sockaddr_len();
00127
00128 if (connect(getfd(), sa, salen) == 0)
00129 seterr(EADDRINUSE);
00130 else
00131 {
00132
00133
00134
00135
00136
00137 oldmask = umask(0777);
00138 umask(oldmask | ((~create_mode) & 0777));
00139
00140 ::unlink(WvString(addr));
00141
00142 if (bind(getfd(), sa, salen) || listen(getfd(), 50))
00143 seterr(errno);
00144 else
00145 bound_okay = true;
00146
00147 umask(oldmask);
00148 }
00149
00150 delete sa;
00151 }
00152
00153
00154 WvUnixListener::~WvUnixListener()
00155 {
00156 close();
00157 }
00158
00159
00160 void WvUnixListener::close()
00161 {
00162
00163
00164
00165 if (bound_okay)
00166 {
00167 WvString filename(addr);
00168 ::unlink(filename);
00169 }
00170
00171 WvFDStream::close();
00172 }
00173
00174
00175 WvUnixConn *WvUnixListener::accept()
00176 {
00177 struct sockaddr_un saun;
00178 socklen_t len = sizeof(saun);
00179 int newfd;
00180 WvUnixConn *ret;
00181
00182 newfd = ::accept(getfd(), (struct sockaddr *)&saun, &len);
00183 ret = new WvUnixConn(newfd, addr);
00184 return ret;
00185 }
00186
00187
00188 void WvUnixListener::auto_accept(WvIStreamList *list,
00189 WvStreamCallback callfunc, void *userdata)
00190 {
00191 auto_list = list;
00192 auto_callback = callfunc;
00193 auto_userdata = userdata;
00194 setcallback(accept_callback, this);
00195 }
00196
00197
00198 void WvUnixListener::accept_callback(WvStream &, void *userdata)
00199 {
00200 WvUnixListener &l = *(WvUnixListener *)userdata;
00201
00202 WvUnixConn *connection = l.accept();
00203 connection->setcallback(l.auto_callback, l.auto_userdata);
00204 l.auto_list->append(connection, true);
00205 }
00206
00207
00208 size_t WvUnixListener::uread(void *, size_t)
00209 {
00210 return 0;
00211 }
00212
00213
00214 size_t WvUnixListener::uwrite(const void *, size_t)
00215 {
00216 return 0;
00217 }
00218
00219
00220 const WvUnixAddr *WvUnixListener::src() const
00221 {
00222 return &addr;
00223 }
00224