Commit Iniziale, progetto funzionante caricato su box ETcontroller in

cantina
2019-10-09 23:25:44 +02:00
commit c6e4e461ca
555 changed files with 118433 additions and 0 deletions
--- a/WIZnetInterface/Socket/TCPSocketConnection.cpp
+++ b/WIZnetInterface/Socket/TCPSocketConnection.cpp
@@ -0,0 +1,139 @@
+/* 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 <cstring>
+
+using std::memset;
+using std::memcpy;
+
+// not a big code.
+// refer from EthernetInterface by mbed official driver
+TCPSocketConnection::TCPSocketConnection() :
+    _is_connected(false)
+{
+}
+
+int TCPSocketConnection::connect(const char* host, const int port)
+{  
+    if (_sock_fd < 0) {
+        _sock_fd = eth->new_socket();
+        if (_sock_fd < 0) {
+            return -1;
+        }
+    }
+    if (set_address(host, port) != 0) {
+        return -1;
+    }    
+    if (!eth->connect(_sock_fd, get_address(), port)) {
+        return -1;
+    }
+    set_blocking(false);
+    // add code refer from EthernetInterface.
+    _is_connected = true;
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+    // force update recent state.
+    _is_connected = eth->is_connected(_sock_fd);
+    return _is_connected;
+}
+
+
+bool TCPSocketConnection::is_fin_received(void)
+{
+    return eth->is_fin_received(_sock_fd);
+}
+
+int TCPSocketConnection::send(char* data, int length)
+{
+    // add to cover exception.
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+
+    int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
+    if (size < 0) {
+        return -1;
+    }
+    if (size > length) {
+        size = length;
+    }
+    return eth->send(_sock_fd, data, size);
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length)
+{
+
+    int writtenLen = 0;
+    while (writtenLen < length) {
+        int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
+        if (size < 0) {
+            return -1;
+        }
+        if (size > (length-writtenLen)) {
+            size = (length-writtenLen);
+        }
+        int ret = eth->send(_sock_fd, data + writtenLen, size);
+        if (ret < 0) {
+            return -1;
+        }
+        writtenLen += ret;
+    }
+    return writtenLen;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive(char* data, int length)
+{
+    // add to cover exception.
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+
+    int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout);
+    if (size < 0) {
+        return -1;
+    }
+    if (size > length) {
+        size = length;
+    }
+    return eth->recv(_sock_fd, data, size);
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length)
+{
+    int readLen = 0;
+    while (readLen < length) {
+        int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout);
+        if (size <= 0) {
+            break;
+        }
+        if (size > (length - readLen)) {
+            size = length - readLen;
+        }
+        int ret = eth->recv(_sock_fd, data + readLen, size);
+        if (ret < 0) {
+            return -1;
+        }
+        readLen += ret;
+    }
+    return readLen;
+}
+