Diff: CC3000/Socket/UDPSocket.cpp

Revision:

0:5464d5e415e5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CC3000/Socket/UDPSocket.cpp	Wed Oct 08 11:00:24 2014 +0000
@@ -0,0 +1,92 @@
+/* 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 "UDPSocket.h"
+
+#include <string>
+#include <algorithm>
+
+UDPSocket::UDPSocket() {
+
+}
+
+int UDPSocket::init(void) {
+    return init_socket(SOCK_DGRAM, IPPROTO_UDP);
+}
+
+int UDPSocket::bind(int port) {
+    if (init_socket(SOCK_DGRAM, IPPROTO_UDP) < 0) {
+        return -1;
+    }
+
+    sockaddr_in localHost;
+    std::memset(&localHost, 0, sizeof(sockaddr_in));
+
+    localHost.sin_family = AF_INET;
+    localHost.sin_port = htons(port);
+    localHost.sin_addr.s_addr = 0;
+
+    if (_cc3000_module->_socket.bind(_sock_fd, (sockaddr *)&localHost, sizeof(sockaddr_in)) != 0) {
+        DBG_SOCKET("Failed to bind a socket (udp). Closing socket");
+        _cc3000_module->_socket.closesocket(_sock_fd);
+        _sock_fd = -1;
+        return -1;
+    }
+
+    return 0;
+}
+
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
+{
+    if (_sock_fd < 0) {
+        return -1;
+    }
+    // TODO - seems to be a bug, waiting for TI to respond
+    // if (!_blocking) {
+    //     TimeInterval timeout(_timeout);
+    //     if (wait_writable(timeout) != 0) {
+    //         DBG_SOCKET("The socket is not writeable. _sock_fd: %d", _sock_fd);
+    //         return 0;
+    //     }
+    // }
+
+    return _cc3000_module->_socket.sendto(_sock_fd, packet, length, 0, (sockaddr *)&remote._remote_host, sizeof(sockaddr));
+}
+
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
+{
+    if (_sock_fd < 0) {
+        return -1;
+    }
+
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_readable(timeout) != 0) {
+            DBG_SOCKET("The socket is not readable. _sock_fd: %d", _sock_fd);
+            return 0;
+        }
+    }
+
+    remote.reset_address();
+    socklen_t remote_host_length = sizeof(remote._remote_host);
+
+    return _cc3000_module->_socket.recvfrom(_sock_fd, buffer, length, 0, (sockaddr *)&remote._remote_host, &remote_host_length);
+}
+
+
+