Revision 4:99cc93fe7d88, committed 2014-03-13

Comitter:

kishino

Date:

Thu Mar 13 03:38:25 2014 +0000

Parent:

3:9f90024d7fb2

Child:

5:ef3befe3edad

Commit message:

Commit stub of socket class

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.cpp	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,56 @@
+/* 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 "Socket.h"
+#include "Endpoint.h"
+#include <cstring>
+#include <cstdio>
+
+using namespace murata_wifi;
+
+Endpoint::Endpoint()
+{
+    reset_address();
+}
+
+Endpoint::~Endpoint()
+{
+}
+
+void Endpoint::reset_address(void)
+{
+    _ipAddress[0] = '\0';
+}
+
+#include "stdio.h"
+
+int Endpoint::set_address(const char* host, const int port)
+{
+    reset_address();
+    
+    return 0;
+}
+
+char* Endpoint::get_address()
+{
+    return 0;
+}
+
+int   Endpoint::get_port()
+{
+    return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.h	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,66 @@
+/* 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.
+ */
+#ifndef ENDPOINT_H
+#define ENDPOINT_H
+
+namespace murata_wifi
+{
+
+class UDPSocket;
+
+/**
+IP Endpoint (address, port)
+*/
+class Endpoint {
+    friend class UDPSocket;
+
+public:
+    /** IP Endpoint (address, port)
+     */
+    Endpoint(void);
+    
+    ~Endpoint(void);
+    
+    /** Reset the address of this endpoint
+     */
+    void reset_address(void);
+    
+    /** Set the address of this endpoint
+    \param host The endpoint address (it can either be an IP Address or a hostname that will be resolved with DNS).
+    \param port The endpoint port
+    \return 0 on success, -1 on failure (when an hostname cannot be resolved by DNS).
+     */
+    int  set_address(const char* host, const int port);
+    
+    /** Get the IP address of this endpoint
+    \return The IP address of this endpoint.
+     */
+    char* get_address(void);
+    
+    /** Get the port of this endpoint
+    \return The port of this endpoint
+     */
+    int get_port(void);
+
+protected:
+    char _ipAddress[17];
+//    struct sockaddr_in _remoteHost;
+
+};
+}
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Socket.cpp	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,51 @@
+/* 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 "Socket.h"
+#include <cstring>
+
+using namespace murata_wifi;
+
+Socket::Socket()
+{
+    
+}
+
+Socket::~Socket() {
+//    close(); //Don't want to leak
+}
+
+int Socket::set_option(int level, int optname, const void *optval, socklen_t optlen) {
+    return 0;
+}
+
+int Socket::get_option(int level, int optname, void *optval, socklen_t *optlen) {
+    return 0;
+}
+
+int Socket::close(bool shutdown)
+{
+    
+    return 0;
+}
+
+#if 0
+int Socket::select(struct timeval *timeout, bool read, bool write)
+{
+    return 0;
+}
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Socket.h	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,77 @@
+/* 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.
+ */
+#ifndef SOCKET_H_
+#define SOCKET_H_
+
+#include "YDwifi.h"
+
+typedef unsigned long socklen_t;
+
+namespace murata_wifi
+{
+
+/** Socket file descriptor and select wrapper
+  */
+class Socket {
+public:
+    /** Socket
+     */
+    Socket();
+    
+    /** Set socket options
+    \param level     stack level (see: lwip/sockets.h)
+    \param optname   option ID
+    \param optval    option value
+    \param socklen_t length of the option value
+    \return 0 on success, -1 on failure
+    */
+    int set_option(int level, int optname, const void *optval, socklen_t optlen);
+    
+    /** Get socket options
+        \param level     stack level (see: lwip/sockets.h)
+        \param optname   option ID
+        \param optval    buffer pointer where to write the option value
+        \param socklen_t length of the option value
+        \return 0 on success, -1 on failure
+        */
+    int get_option(int level, int optname, void *optval, socklen_t *optlen);
+    
+    /** Close the socket
+        \param shutdown   free the left-over data in message queues
+     */
+    int close(bool shutdown=true);
+    
+    ~Socket();
+    
+protected:
+#if 0
+    bool _blocking;
+    int _timeout;
+    GSwifi * _wifi;
+
+    bool _server;
+    int _cid;
+    int _port;
+#endif
+    
+private:
+//    int select(struct timeval *timeout, bool read, bool write);
+};
+}
+
+#endif /* SOCKET_H_ */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.cpp	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,48 @@
+/* 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 namespace murata_wifi;
+
+TCPSocketConnection::TCPSocketConnection() :
+        _is_connected(false) {
+}
+
+int TCPSocketConnection::connect(const char* host, const int port)
+{
+    _is_connected = true;
+    
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+    return _is_connected;
+}
+
+int TCPSocketConnection::send(char* data, int length)
+{
+    return 0;
+}
+
+int TCPSocketConnection::receive(char* data, int length)
+{
+    return 0;
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.h	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,69 @@
+/* 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.
+ */
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include "Socket.h"
+#include "Endpoint.h"
+
+namespace murata_wifi
+{
+
+/**
+TCP socket connection
+*/
+class TCPSocketConnection : public Socket, public Endpoint {
+    
+public:
+    /** TCP socket connection
+    */
+    TCPSocketConnection();
+    
+    /** Connects this TCP socket to the server
+    \param host The host to connect to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to connect to.
+    \return 0 on success, -1 on failure.
+    */
+    int connect(const char* host, const int port);
+    
+    /** Check if the socket is connected
+    \return true if connected, false otherwise.
+    */
+    bool is_connected(void);
+    
+    /** Send data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \return the number of written bytes on success (>=0) or -1 on failure
+     */
+    int send(char* data, int length);
+    
+    /** Receive data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \return the number of received bytes on success (>=0) or -1 on failure
+     */
+    int receive(char* data, int length);
+    
+private:
+    bool _is_connected;
+
+};
+}
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketServer.cpp	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,41 @@
+/* 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 "TCPSocketServer.h"
+
+#include <cstring>
+
+using namespace murata_wifi;
+
+TCPSocketServer::TCPSocketServer()
+{
+}
+
+int TCPSocketServer::bind(int port) 
+{
+    return 0;
+}
+
+int TCPSocketServer::listen(int max)
+{
+    return 0;
+}
+
+int TCPSocketServer::accept(TCPSocketConnection& connection)
+{
+    return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketServer.h	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,56 @@
+/* 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.
+ */
+#ifndef TCPSOCKETSERVER_H
+#define TCPSOCKETSERVER_H
+
+#include "Socket.h"
+#include "TCPSocketConnection.h"
+
+namespace murata_wifi
+{
+
+/** TCP Server.
+  */
+class TCPSocketServer : public Socket {
+  public:
+    /** Instantiate a TCP Server.
+    */
+    TCPSocketServer();
+    
+    /** Bind a socket to a specific port.
+    \param port The port to listen for incoming connections on.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+    
+    /** Start listening for incoming connections.
+    \param backlog number of pending connections that can be queued up at any
+                   one time [Default: 1].
+    \return 0 on success, -1 on failure.
+    */
+    int listen(int backlog=1);
+    
+    /** Accept a new connection.
+    \param connection A TCPSocketConnection instance that will handle the incoming connection.
+    \return 0 on success, -1 on failure.
+    */
+    int accept(TCPSocketConnection& connection);
+};
+}
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.cpp	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,49 @@
+/* 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 "Socket/UDPSocket.h"
+
+#include <cstring>
+
+using namespace murata_wifi;
+
+UDPSocket::UDPSocket() {
+}
+
+int UDPSocket::init(void) 
+{
+    return 0;
+}
+
+// Server initialization
+int UDPSocket::bind(int port) 
+{
+    return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
+{
+    return 0;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
+{
+    return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.h	Thu Mar 13 03:38:25 2014 +0000
@@ -0,0 +1,68 @@
+/* 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.
+ */
+
+#ifndef UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include "Socket.h"
+#include "Endpoint.h"
+
+namespace murata_wifi
+{
+
+/**
+UDP Socket
+*/
+class UDPSocket : public Socket {
+
+public:
+    /** Instantiate an UDP Socket.
+    */
+    UDPSocket();
+    
+    /** Init the UDP Client Socket without binding it to any specific port
+    \return 0 on success, -1 on failure.
+    */
+    int init(void);
+    
+    /** Bind a UDP Server Socket to a specific port
+    \param port The port to listen for incoming connections on
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+    
+    /** Send a packet to a remote endpoint
+    \param remote   The remote endpoint
+    \param packet   The packet to be sent
+    \param length   The length of the packet to be sent
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int sendTo(Endpoint &remote, char *packet, int length);
+    
+    /** Receive a packet from a remote endpoint
+    \param remote   The remote endpoint
+    \param buffer   The buffer for storing the incoming packet data. If a packet
+           is too long to fit in the supplied buffer, excess bytes are discarded
+    \param length   The length of the buffer
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receiveFrom(Endpoint &remote, char *buffer, int length);
+};
+}
+
+#endif

--- a/YDwifi/YDwifi.h	Thu Mar 13 01:34:56 2014 +0000
+++ b/YDwifi/YDwifi.h	Thu Mar 13 03:38:25 2014 +0000
@@ -43,33 +43,6 @@
         e_ADHOC = 1
     }E_NETWORK_TYPE;
 
-    // ----- YDwifi.cpp -----
-    /** Constructor
-     * \param tx mbed pin to use for tx line of Serial interface
-     * \param rx mbed pin to use for rx line of Serial interface
-     * \param cts mbed pin to use for cts line of Serial interface
-     * \param rts mbed pin to use for rts line of Serial interface
-     * \param reset reset pin of the wifi module
-     * \param alarm alarm pin of the wifi module
-     * \param baud baud rate of Serial interface
-     */
-    C_YDwifi (PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud);
-
-    int initUart();
-
-    static C_YDwifi * getInstance() {
-        return mInstance_p;
-    };
-    Thread          *mUartRecvThread_p;
-
-    /** Send data to UART
-        @param len  Length of send data
-        @param data Pointer of send data
-        @return 0:success/other:fail
-    */
-    int sendUart( unsigned int len, unsigned char *data );
-
-    
 protected:
     /** GEN_FW_VER_GET_REQ Command */
     typedef struct 
@@ -97,13 +70,41 @@
         unsigned char ssid[SSID_MAX_LENGTH+1];
     }tagWIFI_SCAN_REQ_T;
 
-    static C_YDwifi *mInstance_p;
-    
+    static C_YDwifi     *mInstance_p;
+    Thread              *mUartRecvThread_p;
     Mutex               mUartMutex;
     DigitalInOut        mModuleReset;
     C_YDwifiUartCommand mUartCommand;
     RawSerial           mUart;
     
+    /** Constructor
+     * \param tx mbed pin to use for tx line of Serial interface
+     * \param rx mbed pin to use for rx line of Serial interface
+     * \param cts mbed pin to use for cts line of Serial interface
+     * \param rts mbed pin to use for rts line of Serial interface
+     * \param reset reset pin of the wifi module
+     * \param alarm alarm pin of the wifi module
+     * \param baud baud rate of Serial interface
+     */
+    C_YDwifi (PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud);
+
+    /** Initialize UART
+    */
+    int initUart();
+
+    static C_YDwifi * getInstance() {
+        return mInstance_p;
+    };
+
+    /** Send data to UART
+        @param len  Length of send data
+        @param data Pointer of send data
+        @return 0:success/other:fail
+    */
+    int sendUart( unsigned int len, unsigned char *data );
+
+    /** Receiving thread of UART
+    */
     static void uartRecvThread( void const *args_p );
     
 };