WIZ820io(W5200) network interface、EthernetNetIf compatible.

/media/uploads/va009039/wiz820ionetif.jpg

example

#include "WIZ820ioNetIf.h"
#include "HTTPClient.h"
#include "HTTPServer.h"

#if defined(TARGET_KL25Z)
WIZ820ioNetIf eth(PTD2,PTD3,PTD1,PTD0,PTD5);
#endif
HTTPClient http;
HTTPStream stream;

void callback(HTTPResult r){
    printf("callback %d %s\n", r, HTTPClient::ResultStr(r));
}

int main() {
    int err = eth.setup();
    if (err < 0) {
        printf("setup error %d\n", err);
        exit(-1);
    }    

    HTTPServer svr;
    svr.addHandler<SimpleHandler>("/");
    svr.bind(80);

    const char* uri = "http://va009039-mbed.appspot.com/kl25z/";
    http.get(uri, &stream, callback);
    uint8_t buf[256];
    int total = 0;
    stream.readNext(buf, sizeof(buf));
    while(1) {
        if(stream.readable()) {
            int len = stream.readLen();
            total += len;
            printf("%d %d\n", total, len);
            stream.readNext(buf, sizeof(buf));
        }
        Net::poll();
    }
}
Committer:
va009039
Date:
Sun Mar 24 11:25:31 2013 +0000
Revision:
1:22b9052d864d
WIZ820io(W8200) ethernet interface, EthernetNetIf compatible.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 1:22b9052d864d 1
va009039 1:22b9052d864d 2 /*
va009039 1:22b9052d864d 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
va009039 1:22b9052d864d 4
va009039 1:22b9052d864d 5 Permission is hereby granted, free of charge, to any person obtaining a copy
va009039 1:22b9052d864d 6 of this software and associated documentation files (the "Software"), to deal
va009039 1:22b9052d864d 7 in the Software without restriction, including without limitation the rights
va009039 1:22b9052d864d 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
va009039 1:22b9052d864d 9 copies of the Software, and to permit persons to whom the Software is
va009039 1:22b9052d864d 10 furnished to do so, subject to the following conditions:
va009039 1:22b9052d864d 11
va009039 1:22b9052d864d 12 The above copyright notice and this permission notice shall be included in
va009039 1:22b9052d864d 13 all copies or substantial portions of the Software.
va009039 1:22b9052d864d 14
va009039 1:22b9052d864d 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
va009039 1:22b9052d864d 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
va009039 1:22b9052d864d 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
va009039 1:22b9052d864d 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
va009039 1:22b9052d864d 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
va009039 1:22b9052d864d 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
va009039 1:22b9052d864d 21 THE SOFTWARE.
va009039 1:22b9052d864d 22 */
va009039 1:22b9052d864d 23
va009039 1:22b9052d864d 24 /** \file
va009039 1:22b9052d864d 25 HTTP Client header file
va009039 1:22b9052d864d 26 */
va009039 1:22b9052d864d 27
va009039 1:22b9052d864d 28 #ifndef HTTP_CLIENT_H
va009039 1:22b9052d864d 29 #define HTTP_CLIENT_H
va009039 1:22b9052d864d 30
va009039 1:22b9052d864d 31 class HTTPData;
va009039 1:22b9052d864d 32
va009039 1:22b9052d864d 33 #include "core/net.h"
va009039 1:22b9052d864d 34 #include "api/TCPSocket.h"
va009039 1:22b9052d864d 35 #include "api/DNSRequest.h"
va009039 1:22b9052d864d 36 #include "HTTPData.h"
va009039 1:22b9052d864d 37 #include "mbed.h"
va009039 1:22b9052d864d 38
va009039 1:22b9052d864d 39 #include <string>
va009039 1:22b9052d864d 40 using std::string;
va009039 1:22b9052d864d 41
va009039 1:22b9052d864d 42 #include <map>
va009039 1:22b9052d864d 43 using std::map;
va009039 1:22b9052d864d 44
va009039 1:22b9052d864d 45 ///HTTP client results
va009039 1:22b9052d864d 46 enum HTTPResult
va009039 1:22b9052d864d 47 {
va009039 1:22b9052d864d 48 HTTP_OK, ///<Success
va009039 1:22b9052d864d 49 HTTP_PROCESSING, ///<Processing
va009039 1:22b9052d864d 50 HTTP_PARSE, ///<URI Parse error
va009039 1:22b9052d864d 51 HTTP_DNS, ///<Could not resolve name
va009039 1:22b9052d864d 52 HTTP_PRTCL, ///<Protocol error
va009039 1:22b9052d864d 53 HTTP_NOTFOUND, ///<HTTP 404 Error
va009039 1:22b9052d864d 54 HTTP_REFUSED, ///<HTTP 403 Error
va009039 1:22b9052d864d 55 HTTP_ERROR, ///<HTTP xxx error
va009039 1:22b9052d864d 56 HTTP_TIMEOUT, ///<Connection timeout
va009039 1:22b9052d864d 57 HTTP_CONN ///<Connection error
va009039 1:22b9052d864d 58 };
va009039 1:22b9052d864d 59
va009039 1:22b9052d864d 60 #include "core/netservice.h"
va009039 1:22b9052d864d 61
va009039 1:22b9052d864d 62 ///A simple HTTP Client
va009039 1:22b9052d864d 63 /**
va009039 1:22b9052d864d 64 The HTTPClient is composed of:
va009039 1:22b9052d864d 65 - The actual client (HTTPClient)
va009039 1:22b9052d864d 66 - Classes that act as a data repository, each of which deriving from the HTTPData class (HTTPText for short text content, HTTPFile for file I/O, HTTPMap for key/value pairs, and HTTPStream for streaming purposes)
va009039 1:22b9052d864d 67 */
va009039 1:22b9052d864d 68 class HTTPClient : protected NetService
va009039 1:22b9052d864d 69 {
va009039 1:22b9052d864d 70 public:
va009039 1:22b9052d864d 71 ///Instantiates the HTTP client
va009039 1:22b9052d864d 72 HTTPClient();
va009039 1:22b9052d864d 73 virtual ~HTTPClient();
va009039 1:22b9052d864d 74
va009039 1:22b9052d864d 75 ///Provides a basic authentification feature (Base64 encoded username and password)
va009039 1:22b9052d864d 76 void basicAuth(const char* user, const char* password); //Basic Authentification
va009039 1:22b9052d864d 77
va009039 1:22b9052d864d 78 //High Level setup functions
va009039 1:22b9052d864d 79 ///Executes a GET Request (blocking)
va009039 1:22b9052d864d 80 /**
va009039 1:22b9052d864d 81 Executes a GET request on the URI uri
va009039 1:22b9052d864d 82 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 83 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 84 Blocks until completion
va009039 1:22b9052d864d 85 */
va009039 1:22b9052d864d 86 HTTPResult get(const char* uri, HTTPData* pDataIn); //Blocking
va009039 1:22b9052d864d 87
va009039 1:22b9052d864d 88 ///Executes a GET Request (non blocking)
va009039 1:22b9052d864d 89 /**
va009039 1:22b9052d864d 90 Executes a GET request on the URI uri
va009039 1:22b9052d864d 91 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 92 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 93 @param pMethod : callback function
va009039 1:22b9052d864d 94 The function returns immediately and calls the callback on completion or error
va009039 1:22b9052d864d 95 */
va009039 1:22b9052d864d 96 HTTPResult get(const char* uri, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking
va009039 1:22b9052d864d 97
va009039 1:22b9052d864d 98 ///Executes a GET Request (non blocking)
va009039 1:22b9052d864d 99 /**
va009039 1:22b9052d864d 100 Executes a GET request on the URI uri
va009039 1:22b9052d864d 101 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 102 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 103 @param pItem : instance of class on which to execute the callback method
va009039 1:22b9052d864d 104 @param pMethod : callback method
va009039 1:22b9052d864d 105 The function returns immediately and calls the callback on completion or error
va009039 1:22b9052d864d 106 */
va009039 1:22b9052d864d 107 template<class T>
va009039 1:22b9052d864d 108 HTTPResult get(const char* uri, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking
va009039 1:22b9052d864d 109 {
va009039 1:22b9052d864d 110 setOnResult(pItem, pMethod);
va009039 1:22b9052d864d 111 doGet(uri, pDataIn);
va009039 1:22b9052d864d 112 return HTTP_PROCESSING;
va009039 1:22b9052d864d 113 }
va009039 1:22b9052d864d 114
va009039 1:22b9052d864d 115 ///Executes a POST Request (blocking)
va009039 1:22b9052d864d 116 /**
va009039 1:22b9052d864d 117 Executes a POST request on the URI uri
va009039 1:22b9052d864d 118 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 119 @param dataOut : a HTTPData instance that contains the data that will be posted
va009039 1:22b9052d864d 120 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 121 Blocks until completion
va009039 1:22b9052d864d 122 */
va009039 1:22b9052d864d 123 HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn); //Blocking
va009039 1:22b9052d864d 124
va009039 1:22b9052d864d 125 ///Executes a POST Request (non blocking)
va009039 1:22b9052d864d 126 /**
va009039 1:22b9052d864d 127 Executes a POST request on the URI uri
va009039 1:22b9052d864d 128 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 129 @param dataOut : a HTTPData instance that contains the data that will be posted
va009039 1:22b9052d864d 130 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 131 @param pMethod : callback function
va009039 1:22b9052d864d 132 The function returns immediately and calls the callback on completion or error
va009039 1:22b9052d864d 133 */
va009039 1:22b9052d864d 134 HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking
va009039 1:22b9052d864d 135
va009039 1:22b9052d864d 136 ///Executes a POST Request (non blocking)
va009039 1:22b9052d864d 137 /**
va009039 1:22b9052d864d 138 Executes a POST request on the URI uri
va009039 1:22b9052d864d 139 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 140 @param dataOut : a HTTPData instance that contains the data that will be posted
va009039 1:22b9052d864d 141 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 142 @param pItem : instance of class on which to execute the callback method
va009039 1:22b9052d864d 143 @param pMethod : callback method
va009039 1:22b9052d864d 144 The function returns immediately and calls the callback on completion or error
va009039 1:22b9052d864d 145 */
va009039 1:22b9052d864d 146 template<class T>
va009039 1:22b9052d864d 147 HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking
va009039 1:22b9052d864d 148 {
va009039 1:22b9052d864d 149 setOnResult(pItem, pMethod);
va009039 1:22b9052d864d 150 doPost(uri, dataOut, pDataIn);
va009039 1:22b9052d864d 151 return HTTP_PROCESSING;
va009039 1:22b9052d864d 152 }
va009039 1:22b9052d864d 153
va009039 1:22b9052d864d 154 ///Executes a GET Request (non blocking)
va009039 1:22b9052d864d 155 /**
va009039 1:22b9052d864d 156 Executes a GET request on the URI uri
va009039 1:22b9052d864d 157 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 158 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 159 The function returns immediately and calls the previously set callback on completion or error
va009039 1:22b9052d864d 160 */
va009039 1:22b9052d864d 161 void doGet(const char* uri, HTTPData* pDataIn);
va009039 1:22b9052d864d 162
va009039 1:22b9052d864d 163 ///Executes a POST Request (non blocking)
va009039 1:22b9052d864d 164 /**
va009039 1:22b9052d864d 165 Executes a POST request on the URI uri
va009039 1:22b9052d864d 166 @param uri : URI on which to execute the request
va009039 1:22b9052d864d 167 @param dataOut : a HTTPData instance that contains the data that will be posted
va009039 1:22b9052d864d 168 @param pDataIn : pointer to an HTTPData instance that will collect the data returned by the request, can be NULL
va009039 1:22b9052d864d 169 @param pMethod : callback function
va009039 1:22b9052d864d 170 The function returns immediately and calls the previously set callback on completion or error
va009039 1:22b9052d864d 171 */
va009039 1:22b9052d864d 172 void doPost(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn);
va009039 1:22b9052d864d 173
va009039 1:22b9052d864d 174 ///Setups the result callback
va009039 1:22b9052d864d 175 /**
va009039 1:22b9052d864d 176 @param pMethod : callback function
va009039 1:22b9052d864d 177 */
va009039 1:22b9052d864d 178 void setOnResult( void (*pMethod)(HTTPResult) );
va009039 1:22b9052d864d 179
va009039 1:22b9052d864d 180 ///Setups the result callback
va009039 1:22b9052d864d 181 /**
va009039 1:22b9052d864d 182 @param pItem : instance of class on which to execute the callback method
va009039 1:22b9052d864d 183 @param pMethod : callback method
va009039 1:22b9052d864d 184 */
va009039 1:22b9052d864d 185 class CDummy;
va009039 1:22b9052d864d 186 template<class T>
va009039 1:22b9052d864d 187 void setOnResult( T* pItem, void (T::*pMethod)(HTTPResult) )
va009039 1:22b9052d864d 188 {
va009039 1:22b9052d864d 189 m_pCb = NULL;
va009039 1:22b9052d864d 190 m_pCbItem = (CDummy*) pItem;
va009039 1:22b9052d864d 191 m_pCbMeth = (void (CDummy::*)(HTTPResult)) pMethod;
va009039 1:22b9052d864d 192 }
va009039 1:22b9052d864d 193
va009039 1:22b9052d864d 194 ///Setups timeout
va009039 1:22b9052d864d 195 /**
va009039 1:22b9052d864d 196 @param ms : time of connection inactivity in ms after which the request should timeout
va009039 1:22b9052d864d 197 */
va009039 1:22b9052d864d 198 void setTimeout(int ms);
va009039 1:22b9052d864d 199
va009039 1:22b9052d864d 200 virtual void poll(); //Called by NetServices
va009039 1:22b9052d864d 201
va009039 1:22b9052d864d 202 ///Gets last request's HTTP response code
va009039 1:22b9052d864d 203 /**
va009039 1:22b9052d864d 204 @return The HTTP response code of the last request
va009039 1:22b9052d864d 205 */
va009039 1:22b9052d864d 206 int getHTTPResponseCode();
va009039 1:22b9052d864d 207
va009039 1:22b9052d864d 208 ///Sets a specific request header
va009039 1:22b9052d864d 209 void setRequestHeader(const string& header, const string& value);
va009039 1:22b9052d864d 210
va009039 1:22b9052d864d 211 ///Gets a response header
va009039 1:22b9052d864d 212 string& getResponseHeader(const string& header);
va009039 1:22b9052d864d 213
va009039 1:22b9052d864d 214 ///Clears request headers
va009039 1:22b9052d864d 215 void resetRequestHeaders();
va009039 1:22b9052d864d 216
va009039 1:22b9052d864d 217 static char* ResultStr(HTTPResult r);
va009039 1:22b9052d864d 218 protected:
va009039 1:22b9052d864d 219 void resetTimeout();
va009039 1:22b9052d864d 220
va009039 1:22b9052d864d 221 void init();
va009039 1:22b9052d864d 222 void close();
va009039 1:22b9052d864d 223
va009039 1:22b9052d864d 224 void setup(const char* uri, HTTPData* pDataOut, HTTPData* pDataIn); //Setup request, make DNS Req if necessary
va009039 1:22b9052d864d 225 void connect(); //Start Connection
va009039 1:22b9052d864d 226
va009039 1:22b9052d864d 227 int tryRead(); //Read data and try to feed output
va009039 1:22b9052d864d 228 void readData(); //Data has been read
va009039 1:22b9052d864d 229 void writeData(); //Data has been written & buf is free
va009039 1:22b9052d864d 230
va009039 1:22b9052d864d 231 void onTCPSocketEvent(TCPSocketEvent e);
va009039 1:22b9052d864d 232 void onDNSReply(DNSReply r);
va009039 1:22b9052d864d 233 void onResult(HTTPResult r); //Called when exchange completed or on failure
va009039 1:22b9052d864d 234 void onTimeout(); //Connection has timed out
va009039 1:22b9052d864d 235
va009039 1:22b9052d864d 236 private:
va009039 1:22b9052d864d 237 HTTPResult blockingProcess(); //Called in blocking mode, calls Net::poll() until return code is available
va009039 1:22b9052d864d 238
va009039 1:22b9052d864d 239 bool readHeaders(); //Called first when receiving data
va009039 1:22b9052d864d 240 bool writeHeaders(); //Called to create req
va009039 1:22b9052d864d 241 int readLine(char* str, int maxLen, bool* pIncomplete = NULL);
va009039 1:22b9052d864d 242
va009039 1:22b9052d864d 243 enum HTTP_METH
va009039 1:22b9052d864d 244 {
va009039 1:22b9052d864d 245 HTTP_GET,
va009039 1:22b9052d864d 246 HTTP_POST,
va009039 1:22b9052d864d 247 HTTP_HEAD
va009039 1:22b9052d864d 248 };
va009039 1:22b9052d864d 249
va009039 1:22b9052d864d 250 HTTP_METH m_meth;
va009039 1:22b9052d864d 251
va009039 1:22b9052d864d 252 CDummy* m_pCbItem;
va009039 1:22b9052d864d 253 void (CDummy::*m_pCbMeth)(HTTPResult);
va009039 1:22b9052d864d 254
va009039 1:22b9052d864d 255 void (*m_pCb)(HTTPResult);
va009039 1:22b9052d864d 256
va009039 1:22b9052d864d 257 TCPSocket* m_pTCPSocket;
va009039 1:22b9052d864d 258 map<string, string> m_reqHeaders;
va009039 1:22b9052d864d 259 map<string, string> m_respHeaders;
va009039 1:22b9052d864d 260
va009039 1:22b9052d864d 261 Timer m_watchdog;
va009039 1:22b9052d864d 262 int m_timeout;
va009039 1:22b9052d864d 263
va009039 1:22b9052d864d 264 DNSRequest* m_pDnsReq;
va009039 1:22b9052d864d 265
va009039 1:22b9052d864d 266 Host m_server;
va009039 1:22b9052d864d 267 string m_path;
va009039 1:22b9052d864d 268
va009039 1:22b9052d864d 269 bool m_closed;
va009039 1:22b9052d864d 270
va009039 1:22b9052d864d 271 enum HTTPStep
va009039 1:22b9052d864d 272 {
va009039 1:22b9052d864d 273 // HTTP_INIT,
va009039 1:22b9052d864d 274 HTTP_WRITE_HEADERS,
va009039 1:22b9052d864d 275 HTTP_WRITE_DATA,
va009039 1:22b9052d864d 276 HTTP_READ_HEADERS,
va009039 1:22b9052d864d 277 HTTP_READ_DATA,
va009039 1:22b9052d864d 278 HTTP_READ_DATA_INCOMPLETE,
va009039 1:22b9052d864d 279 HTTP_DONE,
va009039 1:22b9052d864d 280 HTTP_CLOSED
va009039 1:22b9052d864d 281 };
va009039 1:22b9052d864d 282
va009039 1:22b9052d864d 283 HTTPStep m_state;
va009039 1:22b9052d864d 284
va009039 1:22b9052d864d 285 HTTPData* m_pDataOut;
va009039 1:22b9052d864d 286 HTTPData* m_pDataIn;
va009039 1:22b9052d864d 287
va009039 1:22b9052d864d 288 bool m_dataChunked; //Data is encoded as chunks
va009039 1:22b9052d864d 289 int m_dataPos; //Position in data
va009039 1:22b9052d864d 290 int m_dataLen; //Data length
va009039 1:22b9052d864d 291 char* m_buf;
va009039 1:22b9052d864d 292 char* m_pBufRemaining; //Remaining
va009039 1:22b9052d864d 293 int m_bufRemainingLen; //Data length in m_pBufRemaining
va009039 1:22b9052d864d 294
va009039 1:22b9052d864d 295 int m_httpResponseCode;
va009039 1:22b9052d864d 296
va009039 1:22b9052d864d 297 HTTPResult m_blockingResult; //Result if blocking mode
va009039 1:22b9052d864d 298
va009039 1:22b9052d864d 299 };
va009039 1:22b9052d864d 300
va009039 1:22b9052d864d 301 //Including data containers here for more convenience
va009039 1:22b9052d864d 302 #include "data/HTTPFile.h"
va009039 1:22b9052d864d 303 #include "data/HTTPStream.h"
va009039 1:22b9052d864d 304 #include "data/HTTPText.h"
va009039 1:22b9052d864d 305 #include "data/HTTPMap.h"
va009039 1:22b9052d864d 306
va009039 1:22b9052d864d 307 #endif