Diff: CC3000/Socket/TCPSocketConnection.cpp

Revision:

0:5464d5e415e5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CC3000/Socket/TCPSocketConnection.cpp	Wed Oct 08 11:00:24 2014 +0000
@@ -0,0 +1,184 @@
+/* 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 "TCPSocketConnection.h"
+#include <algorithm>
+
+TCPSocketConnection::TCPSocketConnection() : _is_connected(false) {
+    _cc3000_module = cc3000::get_instance();
+    if (_cc3000_module == NULL) {
+        error("Endpoint constructor error: no cc3000 instance available!\r\n");
+    }
+}
+
+int TCPSocketConnection::connect(const char *host, const int port) {
+    if (init_socket(SOCK_STREAM, IPPROTO_TCP) < 0) {
+        DBG_SOCKET("Failed to create tcp socket");
+        return -1;
+    }
+
+    if (set_address(host, port) != 0) {
+        DBG_SOCKET("Failed to set address (tcp)");
+        return -1;
+    }
+
+    if (_cc3000_module->_socket.connect(_sock_fd, (const sockaddr *)&_remote_host, sizeof(_remote_host)) < 0) {
+        DBG_SOCKET("Failed to connect (tcp)");
+        close();
+        return -1;
+    }
+
+    _is_connected = true;
+
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void) {
+    return _is_connected;
+}
+
+int TCPSocketConnection::send(char* data, int length) {
+    if ((_sock_fd < 0) || !_is_connected) {
+        return -1;
+    }
+
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_writable(timeout) != 0) {
+            return -1;
+        }
+    }
+
+    int n = _cc3000_module->_socket.send(_sock_fd, data, length, 0);
+    _is_connected = (n != 0);
+
+    return n;
+}
+
+int TCPSocketConnection::send_all(char *data, int length) {
+    if ((_sock_fd < 0) || !_is_connected) {
+        return -1;
+    }
+
+    int writtenLen = 0;
+    TimeInterval timeout(_timeout);
+    while (writtenLen < length) {
+        if (!_blocking) {
+            // Wait for socket to be writeable
+            if (wait_writable(timeout) != 0) {
+                return writtenLen;
+            }
+        }
+
+        int ret = _cc3000_module->_socket.send(_sock_fd, data + writtenLen, length - writtenLen, 0);
+        if (ret > 0) {
+            writtenLen += ret;
+            continue;
+        } else if (ret == 0) {
+            _is_connected = false;
+            return writtenLen;
+        } else {
+            return -1; //Connnection error
+        }
+    }
+
+    return writtenLen;
+}
+
+int TCPSocketConnection::receive(char *data, int length) {
+    if ((_sock_fd < 0) || !_is_connected) {
+        return -1;
+    }
+
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_readable(timeout) != 0)
+            return -1;
+    }
+
+    int n = _cc3000_module->_socket.recv(_sock_fd, data, length, 0);
+    if (n >= 0) {
+        _is_connected = 1;
+    } else {
+        _is_connected = 0;
+    }
+
+    return n;
+}
+
+int TCPSocketConnection::receive_all(char *data, int length) {
+    if ((_sock_fd < 0) || !_is_connected) {
+        return -1;
+    }
+
+    int readLen = 0;
+    TimeInterval timeout(_timeout);
+    while (readLen < length) {
+        if (!_blocking) {
+            //Wait for socket to be readable
+            if (wait_readable(timeout) != 0)
+                return readLen;
+        }
+
+        int ret = _cc3000_module->_socket.recv(_sock_fd, data + readLen, length - readLen, 0);
+        if (ret > 0) {
+            readLen += ret;
+        } else if (ret == 0) {
+            _is_connected = false;
+            return readLen;
+        } else {
+            return -1; //Connnection error
+        }
+    }
+    return readLen;
+}
+
+int TCPSocketConnection::receive_until(char * data, int length, char ch)
+{
+    if ((_sock_fd < 0) || !_is_connected) {
+        return -1;
+    }
+
+    int readLen = 0;
+		char tmpdata = '\0';
+		
+    TimeInterval timeout(_timeout);
+    while ((readLen < length) && (tmpdata != ch))
+		{
+        if (!_blocking) {
+            //Wait for socket to be readable
+            if (wait_readable(timeout) != 0)
+                return readLen;
+        }
+
+        int ret = _cc3000_module->_socket.recv(_sock_fd, &tmpdata, 1, 0);
+				if( ret == 1)
+				{
+					data[readLen] = tmpdata;
+					readLen++;
+				}
+				
+				if (ret < 0)
+				{
+					_is_connected = false;
+					return -1;
+				}
+    }
+    return readLen;	
+}
+