Diff: SocketModem/Socket/TCPSocketConnection.cpp

Revision:

0:65004368569c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SocketModem/Socket/TCPSocketConnection.cpp	Tue Jul 01 21:31:54 2014 +0000
@@ -0,0 +1,99 @@
+/* Copyright (C) 2012 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()
+{
+}
+
+int TCPSocketConnection::connect(const char* host, const int port)
+{
+    if (!ip->open(host, port, mts::IPStack::TCP)) {
+        return -1;
+    }
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+    return ip->isOpen();
+}
+
+int TCPSocketConnection::send(char* data, int length)
+{
+    Timer tmr;
+
+    if (!_blocking) {
+        tmr.start();
+        while (tmr.read_ms() < _timeout) {
+            if (ip->writeable())
+                break;
+        }
+        if (tmr.read_ms() >= _timeout) {
+            return -1;
+        }
+    }
+    return ip->write(data, length, 0);
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length)
+{
+    if (_blocking) {
+        return ip->write(data, length, -1);
+    } else {
+        return ip->write(data, length, _timeout);
+    }
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive(char* data, int length)
+{
+    Timer tmr;
+    int time = -1;
+
+    if (!_blocking) {
+        tmr.start();
+        while (time < _timeout + 20) {
+            if (ip->readable()) {
+                break;
+            }
+            time = tmr.read_ms();
+        }
+        if (time >= _timeout + 20) {
+            return -1;
+        }
+    } else {
+        while(!ip->readable());
+    }
+
+    return ip->read(data, length, 0);
+}
+
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length)
+{
+    if (_blocking) {
+        return ip->read(data, length, -1);
+    } else {
+        return ip->read(data, length, _timeout);
+    }
+}