Diff: CC3000/Socket/Socket.cpp

Revision:

0:5464d5e415e5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CC3000/Socket/Socket.cpp	Wed Oct 08 11:00:24 2014 +0000
@@ -0,0 +1,115 @@
+/* Copyright (C) 2013 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "Socket.h"
+#include <cstring>
+
+Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) {
+    _cc3000_module = cc3000::get_instance();
+    if (_cc3000_module == NULL) {
+        error("Socket constructor error: no cc3000 instance available!\r\n");
+    }
+}
+
+int Socket::init_socket(int type, int protocol) {
+    if (_sock_fd != -1) {
+        DBG_SOCKET("Socket was initialized previously");
+        return -1;
+    }
+
+    int fd = _cc3000_module->_socket.socket(AF_INET, type, protocol);
+    if (fd < -1) {
+        DBG_SOCKET("Failed to create new socket (type: %d, protocol: %d)",type, protocol);
+        return -1;
+    }
+
+    DBG_SOCKET("Socket created (fd: %d type: %d, protocol: %d)",fd, type, protocol);
+    _sock_fd = fd;
+
+    return 0;
+}
+
+void Socket::set_blocking(bool blocking, unsigned int timeout) {
+    _blocking = blocking;
+    _timeout = timeout;
+}
+
+int Socket::set_option(int level, int optname, const void *optval, socklen_t optlen) {
+#ifndef CC3000_TINY_DRIVER
+    return _cc3000_module->_socket.setsockopt(_sock_fd, level, optname, optval, optlen);
+#else
+    return -1;
+#endif
+}
+
+int Socket::get_option(int level, int optname, void *optval, socklen_t *optlen) {
+    return _cc3000_module->_socket.getsockopt(_sock_fd, level, optname, optval, optlen);
+}
+
+int Socket::select(struct timeval *timeout, bool read, bool write) {
+    if (_sock_fd < 0) {
+        return -1;
+    }
+
+    fd_set fdSet;
+    FD_ZERO(&fdSet);
+    FD_SET(_sock_fd, &fdSet);
+
+    fd_set* readset  = (read ) ? (&fdSet) : (NULL);
+    fd_set* writeset = (write) ? (&fdSet) : (NULL);
+
+    int ret = _cc3000_module->_socket.select(_sock_fd+1, readset, writeset, NULL, timeout);
+
+    DBG_SOCKET("Select on sock_fd: %d, returns %d. fdSet: %d", _sock_fd, ret, FD_ISSET(_sock_fd, &fdSet));
+
+    // TODO
+    //return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
+    if (FD_ISSET(_sock_fd, &fdSet)) {
+        return 0;
+    } else {
+        return -1;
+    }
+}
+
+int Socket::wait_readable(TimeInterval& timeout) {
+    return select(&timeout._time, true, false);
+}
+
+int Socket::wait_writable(TimeInterval& timeout) {
+    return select(&timeout._time, false, true);
+}
+
+int Socket::close() {
+    if (_sock_fd < 0 ) {
+        return -1;
+    }
+
+    _cc3000_module->_socket.closesocket(_sock_fd);
+    _sock_fd = -1;
+    return 0;
+}
+
+Socket::~Socket() {
+    close();
+}
+
+TimeInterval::TimeInterval(unsigned int ms) {
+    _time.tv_sec = ms / 1000;
+    _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000;
+}
+