Diff: api/types/Socket/internal/TCPSocketConnection.cpp

Revision:

39:a963f69cb2de

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/api/types/Socket/internal/TCPSocketConnection.cpp	Mon Feb 23 20:30:18 2015 -0800
@@ -0,0 +1,140 @@
+/**
+ * ACKme WiConnect Host Library is licensed under the BSD licence:
+ *
+ * Copyright (c)2014 ACKme Networks.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+#include "Wiconnect.h"
+#include "api/types/Socket/TCPSocketConnection.h"
+
+
+
+/*************************************************************************************************/
+TCPSocketConnection::TCPSocketConnection(int rxBufferLen, void *rxBuffer, int txBufferLen, void *txBuffer)
+: Socket(rxBufferLen, rxBuffer, txBufferLen, txBuffer)
+{
+}
+
+/*************************************************************************************************/
+int TCPSocketConnection::connect(const char* host, const int port)
+{
+    return (Wiconnect::getInstance()->tcpConnect(socket, host, (uint16_t)port) == WICONNECT_SUCCESS) ? 0 : -1;
+}
+
+/*************************************************************************************************/
+bool TCPSocketConnection::is_connected(void)
+{
+    return socket.isConnected();
+}
+
+/*************************************************************************************************/
+// currently there's no way to timeout writing data to WiConnect, so we just have to try and send it all.
+// NOTE: this WILL be fixed in the next version
+int TCPSocketConnection::send(char* data, int length)
+{
+    return send_all(data, length);
+}
+
+/*************************************************************************************************/
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length)
+{
+    return (socket.write(data, length, true) == WICONNECT_SUCCESS) ? length : -1;
+}
+
+/*************************************************************************************************/
+int TCPSocketConnection::receive(char* data, int length)
+{
+    uint16_t bytesRead;
+
+    if (!_blocking)
+    {
+        if(socket.getRxBufferSize() == 0 || socket.getRxBufferBytesPending() == 0)
+        {
+            TimeoutTimer timer;
+
+            for(;;)
+            {
+                bool hasData;
+
+                if(socket.poll(&hasData) != WICONNECT_SUCCESS)
+                {
+                    return -1;
+                }
+                else if(hasData)
+                {
+                    break;
+                }
+                else if(timer.timedOut(_timeout))
+                {
+                    return -1;
+                }
+            }
+        }
+    }
+
+    if(length == 1 && socket.getRxBufferSize() > 0)
+    {
+        return (socket.getc((uint8_t*)data) == WICONNECT_SUCCESS) ? 1 : -1;
+    }
+    else
+    {
+        for(;;)
+        {
+            if(socket.read(data, length, &bytesRead) != WICONNECT_SUCCESS)
+            {
+                return -1;
+            }
+            else if(bytesRead > 0)
+            {
+                return bytesRead;
+            }
+        }
+    }
+}
+
+/*************************************************************************************************/
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length)
+{
+    char *ptr = data;
+    int totReadSize = length;
+
+    while(length > 0)
+    {
+        int bytesRead = receive(ptr, length);
+        if(bytesRead == -1)
+        {
+            return -1;
+        }
+        ptr += bytesRead;
+        length -= bytesRead;
+    }
+
+    return totReadSize;
+}
+
+