4 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 #include <sensor_log.h>
22 #include <attr/xattr.h>
28 , m_sock_type(SOCK_STREAM)
29 , m_send_flags(MSG_NOSIGNAL)
30 , m_recv_flags(MSG_NOSIGNAL)
32 memset(&m_addr, 0, sizeof(m_addr));
36 csocket::csocket(int sock_fd)
38 , m_sock_type(SOCK_STREAM)
39 , m_send_flags(MSG_NOSIGNAL)
40 , m_recv_flags(MSG_NOSIGNAL)
44 memset(&m_addr, 0, sizeof(m_addr));
48 csocket::csocket(const csocket &sock)
50 , m_sock_type(SOCK_STREAM)
51 , m_send_flags(MSG_NOSIGNAL)
52 , m_recv_flags(MSG_NOSIGNAL)
57 m_sock_fd = sock.m_sock_fd;
58 m_sock_type = sock.m_sock_type;
59 m_send_flags = sock.m_send_flags;
60 m_recv_flags = sock.m_recv_flags;
62 memcpy(&m_addr, &sock.m_addr, sizeof(sockaddr_un));
65 csocket::~csocket() { }
67 bool csocket::create(int sock_type)
69 m_sock_fd = socket(AF_UNIX, sock_type, 0);
72 _ERRNO(errno, _E, "Failed to create socket for %s", get_client_name());
76 m_sock_type = sock_type;
81 bool csocket::bind (const char *sock_path)
87 _E("%s's socket is invalid", get_client_name());
91 if (!access(sock_path, F_OK)) {
95 m_addr.sun_family = AF_UNIX;
97 strncpy(m_addr.sun_path, sock_path, strlen(sock_path));
99 length = strlen(m_addr.sun_path) + sizeof(m_addr.sun_family);
101 if (::bind(m_sock_fd, (struct sockaddr *)&m_addr, length) < 0) {
102 _ERRNO(errno, _E, "Failed to bind for socket[%d]", m_sock_fd);
107 socket_mode = ( S_IRWXU | S_IRWXG | S_IRWXO );
108 if (chmod(sock_path, socket_mode) < 0) {
109 _ERRNO(errno, _E, "Failed to chmod for socket[%d]", m_sock_fd);
117 bool csocket::listen(const int max_connections)
120 _E("Socket(%d) is invalid", m_sock_fd);
124 if (::listen(m_sock_fd, max_connections) < 0) {
125 _ERRNO(errno, _E, "Failed to listen for socket[%d]", m_sock_fd);
133 bool csocket::accept(csocket& client_socket) const
135 int addr_length = sizeof(m_addr);
139 client_socket.m_sock_fd = ::accept(m_sock_fd, (sockaddr *)&m_addr, (socklen_t *)&addr_length);
140 if (!client_socket.is_valid())
142 } while (err == EINTR);
144 if (!client_socket.is_valid()) {
145 _ERRNO(errno, _E, "Failed to accept for socket[%d]", m_sock_fd);
152 ssize_t csocket::send_for_seqpacket(const void *buffer, size_t size) const
157 len = ::send(m_sock_fd, buffer, size, m_send_flags);
158 err = len < 0 ? errno : 0;
159 } while (err == EINTR);
162 _ERRNO(errno, _E, "Failed to send(%d, 0x%x, %d, 0x%x) = %d",
163 m_sock_fd, buffer, size, m_send_flags, len);
166 return err == 0 ? len : -err;
169 ssize_t csocket::recv_for_seqpacket(void* buffer, size_t size) const
174 len = ::recv(m_sock_fd, buffer, size, m_recv_flags);
178 } else if (len == 0) {
179 _E("recv(%d, 0x%p , %d) = %d, because the peer performed shutdown!",
180 m_sock_fd, buffer, size, len);
185 } while (err == EINTR);
187 if ((err == EAGAIN) || (err == EWOULDBLOCK)) {
188 _ERRNO(err, _D, "Failed to recv(%d, 0x%x, %d, 0x%x) = %d",
189 m_socket_fd, buffer, size, m_recv_flags, len);
194 _ERRNO(err, _E, "Failed to recv(%d, 0x%x, %d, 0x%x) = %d",
195 m_sock_fd, buffer, size, m_recv_flags, len);
198 return err == 0 ? len : -err;
202 ssize_t csocket::send_for_stream(const void *buffer, size_t size) const
206 size_t total_sent_size = 0;
209 len = ::send(m_sock_fd, (const void *)((uint8_t *)buffer + total_sent_size), size - total_sent_size, m_send_flags);
212 total_sent_size += len;
215 _ERRNO(errno, _E, "Failed to send(%d, 0x%p + %d, %d - %d) = %d for %s",
216 m_sock_fd, buffer, total_sent_size, size, total_sent_size,
217 len, get_client_name());
219 if (errno != EINTR) {
224 } while (total_sent_size < size);
226 return err == 0 ? total_sent_size : -err;
229 ssize_t csocket::recv_for_stream(void* buffer, size_t size) const
233 size_t total_recv_size = 0;
236 len = ::recv(m_sock_fd, (void *)((uint8_t *)buffer + total_recv_size), size - total_recv_size, m_recv_flags);
239 total_recv_size += len;
240 } else if (len == 0) {
241 _E("recv(%d, 0x%p + %d, %d - %d) = %d, because the peer of %s performed shutdown!",
242 m_sock_fd, buffer, total_recv_size, size, total_recv_size, len, get_client_name());
246 _ERRNO(errno, _E, "Failed to recv(%d, 0x%p + %d, %d - %d) = %d for %s",
247 m_sock_fd, buffer, total_recv_size, size, total_recv_size,
248 len, get_client_name());
250 if (errno != EINTR) {
255 } while (total_recv_size < size);
257 return err == 0 ? total_recv_size : -err;
261 ssize_t csocket::send(const void *buffer, size_t size) const
264 _E("Socket(%d) is invalid", m_sock_fd);
268 if (m_sock_type == SOCK_STREAM)
269 return send_for_stream(buffer, size);
271 return send_for_seqpacket(buffer, size);
274 ssize_t csocket::recv(void* buffer, size_t size) const
277 _E("Socket(%d) is invalid", m_sock_fd);
281 if (m_sock_type == SOCK_STREAM)
282 return recv_for_stream(buffer, size);
284 return recv_for_seqpacket(buffer, size);
287 bool csocket::connect(const char *sock_path)
289 const int TIMEOUT = 5;
293 bool prev_blocking_mode;
296 _E("%s's socket is invalid", get_client_name());
300 prev_blocking_mode = is_blocking_mode();
302 set_blocking_mode(false);
304 m_addr.sun_family = AF_UNIX;
306 strncpy(m_addr.sun_path, sock_path, strlen(sock_path));
308 addr_len = strlen(m_addr.sun_path) + sizeof(m_addr.sun_family);
310 if (::connect(m_sock_fd,(sockaddr *) &m_addr, addr_len) < 0) {
311 _ERRNO(errno, _E, "Failed to connect sock_fd: %d for %s",
312 m_sock_fd, get_client_name());
317 FD_SET(m_sock_fd, &write_fds);
323 ret = select(m_sock_fd + 1, NULL, &write_fds, NULL, &tv);
326 _ERRNO(errno, _E, "select error: sock_fd: %d\n for %s", m_sock_fd, get_client_name());
330 _ERRNO(errno, _E, "select timeout: %d seconds elapsed for %s", tv.tv_sec, get_client_name());
335 if (!FD_ISSET(m_sock_fd, &write_fds)) {
336 _ERRNO(errno, _E, "select failed for %s, nothing to write, m_sock_fd : %d", get_client_name(), m_sock_fd);
342 socklen_t len = sizeof(so_error);
344 if (getsockopt(m_sock_fd, SOL_SOCKET, SO_ERROR, &so_error, &len) == -1) {
345 _ERRNO(errno, _E, "getsockopt failed for %s, m_sock_fd : %d", get_client_name(), m_sock_fd);
351 _ERRNO(errno, _E, "SO_ERROR occurred for %s, m_sock_fd : %d, so_error : %d",
352 get_client_name(), m_sock_fd, so_error);
357 if (prev_blocking_mode)
358 set_blocking_mode(true);
363 bool csocket::set_blocking_mode(bool blocking)
368 _E("Socket(%d) is invalid", m_sock_fd);
372 flags = fcntl(m_sock_fd, F_GETFL);
375 _ERRNO(errno, _E, "fcntl(F_GETFL) failed for %s, m_sock_fd: %d", get_client_name(), m_sock_fd);
379 flags = blocking ? (flags & ~O_NONBLOCK) : (flags | O_NONBLOCK);
381 flags = fcntl(m_sock_fd, F_SETFL, flags);
384 _ERRNO(errno, _E, "fcntl(F_SETFL) failed for %s, m_sock_fd: %d", get_client_name(), m_sock_fd);
392 bool csocket::set_sock_type(void)
397 opt_len = sizeof(sock_type);
400 _E("Socket(%d) is invalid", m_sock_fd);
404 if (getsockopt(m_sock_fd, SOL_SOCKET, SO_TYPE, &sock_type, &opt_len) < 0) {
405 _ERRNO(errno, _E, "getsockopt(SOL_SOCKET, SO_TYPE) failed for %s, m_sock_fd: %d",
406 get_client_name(), m_sock_fd);
410 m_sock_type = sock_type;
414 bool csocket::set_connection_mode(void)
417 const int TIMEOUT = 5;
419 set_blocking_mode(true);
425 _E("Socket(%d) is invalid", m_sock_fd);
429 if(setsockopt(m_sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
430 _ERRNO(errno, _E, "Set SO_RCVTIMEO failed for %s, m_sock_fd : %d", get_client_name(), m_sock_fd);
435 m_send_flags = MSG_NOSIGNAL;
436 m_recv_flags = MSG_NOSIGNAL;
441 bool csocket::set_transfer_mode(void)
443 set_blocking_mode(false);
445 m_send_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
446 m_recv_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
451 bool csocket::is_blocking_mode(void)
456 _E("Socket(%d) is invalid", m_sock_fd);
460 flags = fcntl(m_sock_fd, F_GETFL);
463 _ERRNO(errno, _E, "fcntl(F_GETFL) failed for %s, m_sock_fd: %d", get_client_name(), m_sock_fd);
467 return !(flags & O_NONBLOCK);
471 bool csocket::is_valid(void) const
473 return (m_sock_fd >= 0);
476 int csocket::get_socket_fd(void) const
481 bool csocket::close(void)
483 if (m_sock_fd >= 0) {
484 if (::close(m_sock_fd) < 0) {
485 _ERRNO(errno, _E, "Failed to close socket[%d]", m_sock_fd);