2 * Copyright (c) 2008, 2009, 2010, 2012, 2013, 2014 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.
21 #include <sys/types.h>
22 #include <netinet/in.h>
23 #include <netinet/tcp.h>
27 #include <sys/socket.h>
29 #include "dynamic-string.h"
31 #include "socket-util.h"
33 #include "stream-provider.h"
34 #include "stream-fd.h"
37 VLOG_DEFINE_THIS_MODULE(stream_tcp);
42 new_tcp_stream(const char *name, int fd, int connect_status,
43 struct stream **streamp)
45 struct sockaddr_storage local;
46 socklen_t local_len = sizeof local;
50 /* Get the local IP and port information */
51 retval = getsockname(fd, (struct sockaddr *) &local, &local_len);
53 memset(&local, 0, sizeof local);
56 retval = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof on);
58 int error = sock_errno();
59 VLOG_ERR("%s: setsockopt(TCP_NODELAY): %s",
60 name, sock_strerror(error));
65 return new_fd_stream(name, fd, connect_status, streamp);
69 tcp_open(const char *name, char *suffix, struct stream **streamp, uint8_t dscp)
73 error = inet_open_active(SOCK_STREAM, suffix, 0, NULL, &fd, dscp);
75 return new_tcp_stream(name, fd, error, streamp);
77 VLOG_ERR("%s: connect: %s", name, ovs_strerror(error));
82 const struct stream_class tcp_stream_class = {
84 true, /* needs_probes */
97 static int ptcp_accept(int fd, const struct sockaddr_storage *,
98 size_t, struct stream **streamp);
101 ptcp_open(const char *name OVS_UNUSED, char *suffix, struct pstream **pstreamp,
104 char bound_name[SS_NTOP_BUFSIZE + 16];
105 char addrbuf[SS_NTOP_BUFSIZE];
106 struct sockaddr_storage ss;
111 fd = inet_open_passive(SOCK_STREAM, suffix, -1, &ss, dscp);
116 port = ss_get_port(&ss);
117 snprintf(bound_name, sizeof bound_name, "ptcp:%"PRIu16":%s",
118 port, ss_format_address(&ss, addrbuf, sizeof addrbuf));
120 error = new_fd_pstream(bound_name, fd, ptcp_accept, set_dscp, NULL,
123 pstream_set_bound_port(*pstreamp, htons(port));
129 ptcp_accept(int fd, const struct sockaddr_storage *ss,
130 size_t ss_len OVS_UNUSED, struct stream **streamp)
132 char name[SS_NTOP_BUFSIZE + 16];
133 char addrbuf[SS_NTOP_BUFSIZE];
135 snprintf(name, sizeof name, "tcp:%s:%"PRIu16,
136 ss_format_address(ss, addrbuf, sizeof addrbuf),
138 return new_tcp_stream(name, fd, 0, streamp);
141 const struct pstream_class ptcp_pstream_class = {