2 * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 #include <sys/socket.h>
25 #include <sys/types.h>
31 #include "poll-loop.h"
32 #include "socket-util.h"
34 #include "stream-provider.h"
35 #include "stream-fd.h"
38 VLOG_DEFINE_THIS_MODULE(stream_unix);
40 /* Active UNIX socket. */
43 unix_open(const char *name, char *suffix, struct stream **streamp,
44 uint8_t dscp OVS_UNUSED)
46 const char *connect_path = suffix;
49 fd = make_unix_socket(SOCK_STREAM, true, NULL, connect_path);
51 VLOG_ERR("%s: connection failed (%s)", connect_path, strerror(-fd));
55 return new_fd_stream(name, fd, check_connection_completion(fd), streamp);
58 const struct stream_class unix_stream_class = {
60 false, /* needs_probes */
71 /* Passive UNIX socket. */
73 static int punix_accept(int fd, const struct sockaddr *sa, size_t sa_len,
74 struct stream **streamp);
77 punix_open(const char *name OVS_UNUSED, char *suffix,
78 struct pstream **pstreamp, uint8_t dscp OVS_UNUSED)
82 fd = make_unix_socket(SOCK_STREAM, true, suffix, NULL);
84 VLOG_ERR("%s: binding failed: %s", suffix, strerror(errno));
88 if (listen(fd, 10) < 0) {
90 VLOG_ERR("%s: listen: %s", name, strerror(error));
95 return new_fd_pstream(name, fd, punix_accept,
96 xstrdup(suffix), pstreamp);
100 punix_accept(int fd, const struct sockaddr *sa, size_t sa_len,
101 struct stream **streamp)
103 const struct sockaddr_un *sun = (const struct sockaddr_un *) sa;
104 int name_len = get_unix_name_len(sa_len);
108 snprintf(name, sizeof name, "unix:%.*s", name_len, sun->sun_path);
110 strcpy(name, "unix");
112 return new_fd_stream(name, fd, 0, streamp);
115 const struct pstream_class punix_pstream_class = {