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 #include "core/netservice.h"
va009039 1:22b9052d864d 25 #include "HTTPRequestDispatcher.h"
va009039 1:22b9052d864d 26 #include "HTTPRequestHandler.h"
va009039 1:22b9052d864d 27 #include <string.h>
va009039 1:22b9052d864d 28
va009039 1:22b9052d864d 29 //#define __DEBUG
va009039 1:22b9052d864d 30 #include "dbg/dbg.h"
va009039 1:22b9052d864d 31
va009039 1:22b9052d864d 32 HTTPRequestDispatcher::HTTPRequestDispatcher(HTTPServer* pSvr, TCPSocket* pTCPSocket) : NetService(), m_pSvr(pSvr), m_pTCPSocket(pTCPSocket), m_watchdog(), m_closed(false)
va009039 1:22b9052d864d 33 {
va009039 1:22b9052d864d 34 m_pTCPSocket->setOnEvent(this, &HTTPRequestDispatcher::onTCPSocketEvent);
va009039 1:22b9052d864d 35 m_watchdog.attach_us<HTTPRequestDispatcher>(this, &HTTPRequestDispatcher::onTimeout, HTTP_REQUEST_TIMEOUT * 1000);
va009039 1:22b9052d864d 36 }
va009039 1:22b9052d864d 37
va009039 1:22b9052d864d 38 HTTPRequestDispatcher::~HTTPRequestDispatcher()
va009039 1:22b9052d864d 39 {
va009039 1:22b9052d864d 40 close();
va009039 1:22b9052d864d 41 }
va009039 1:22b9052d864d 42
va009039 1:22b9052d864d 43 void HTTPRequestDispatcher::dispatchRequest()
va009039 1:22b9052d864d 44 {
va009039 1:22b9052d864d 45 string path;
va009039 1:22b9052d864d 46 string meth;
va009039 1:22b9052d864d 47 HTTP_METH methCode;
va009039 1:22b9052d864d 48
va009039 1:22b9052d864d 49 DBG("Dispatching req\r\n");
va009039 1:22b9052d864d 50
va009039 1:22b9052d864d 51 if( !getRequest(&path, &meth ) )
va009039 1:22b9052d864d 52 {
va009039 1:22b9052d864d 53 close();
va009039 1:22b9052d864d 54 return; //Invalid request
va009039 1:22b9052d864d 55 }
va009039 1:22b9052d864d 56
va009039 1:22b9052d864d 57 if( !meth.compare("GET") )
va009039 1:22b9052d864d 58 {
va009039 1:22b9052d864d 59 methCode = HTTP_GET;
va009039 1:22b9052d864d 60 }
va009039 1:22b9052d864d 61 else if( !meth.compare("POST") )
va009039 1:22b9052d864d 62 {
va009039 1:22b9052d864d 63 methCode = HTTP_POST;
va009039 1:22b9052d864d 64 }
va009039 1:22b9052d864d 65 else if( !meth.compare("HEAD") )
va009039 1:22b9052d864d 66 {
va009039 1:22b9052d864d 67 methCode = HTTP_HEAD;
va009039 1:22b9052d864d 68 }
va009039 1:22b9052d864d 69 else
va009039 1:22b9052d864d 70 {
va009039 1:22b9052d864d 71 close(); //Parse error
va009039 1:22b9052d864d 72 return;
va009039 1:22b9052d864d 73 }
va009039 1:22b9052d864d 74
va009039 1:22b9052d864d 75 DBG("Looking for a handler\r\n");
va009039 1:22b9052d864d 76
va009039 1:22b9052d864d 77 map< string, HTTPRequestHandler*(*)(const char*, const char*, TCPSocket*) >::iterator it;
va009039 1:22b9052d864d 78 // it = m_pSvr->m_lpHandlers.find(rootPath); //We are friends so we can do that
va009039 1:22b9052d864d 79 // NEW CODE START:
va009039 1:22b9052d864d 80 int root_len = 0;
va009039 1:22b9052d864d 81 for (it = m_pSvr->m_lpHandlers.begin(); it != m_pSvr->m_lpHandlers.end(); it++)
va009039 1:22b9052d864d 82 {
va009039 1:22b9052d864d 83 DBG("Checking %s...\n", (*it).first.c_str());
va009039 1:22b9052d864d 84 root_len = (*it).first.length();
va009039 1:22b9052d864d 85 if ( root_len &&
va009039 1:22b9052d864d 86 !path.compare( 0, root_len, (*it).first ) &&
va009039 1:22b9052d864d 87 (path[root_len] == '/' || path[root_len] == '\0'))
va009039 1:22b9052d864d 88 {
va009039 1:22b9052d864d 89 DBG("Found (%s)\n", (*it).first.c_str());
va009039 1:22b9052d864d 90 // Found!
va009039 1:22b9052d864d 91 break; // for
va009039 1:22b9052d864d 92 }
va009039 1:22b9052d864d 93 }
va009039 1:22b9052d864d 94 // NEW CODE END
va009039 1:22b9052d864d 95 if((it == m_pSvr->m_lpHandlers.end()) && !(m_pSvr->m_lpHandlers.empty()))
va009039 1:22b9052d864d 96 {
va009039 1:22b9052d864d 97 DBG("Using default handler\n");
va009039 1:22b9052d864d 98 it = m_pSvr->m_lpHandlers.end();
va009039 1:22b9052d864d 99 it--; //Get the last element
va009039 1:22b9052d864d 100 if( ! (((*it).first.length() == 0) || !(*it).first.compare("/")) ) //This is not the default handler
va009039 1:22b9052d864d 101 it = m_pSvr->m_lpHandlers.end();
va009039 1:22b9052d864d 102 root_len = 0;
va009039 1:22b9052d864d 103 }
va009039 1:22b9052d864d 104 if(it == m_pSvr->m_lpHandlers.end())
va009039 1:22b9052d864d 105 {
va009039 1:22b9052d864d 106 DBG("No handler found\n");
va009039 1:22b9052d864d 107 close(); //No handler found
va009039 1:22b9052d864d 108 return;
va009039 1:22b9052d864d 109 }
va009039 1:22b9052d864d 110
va009039 1:22b9052d864d 111 DBG("Handler found.\r\n");
va009039 1:22b9052d864d 112
va009039 1:22b9052d864d 113 //HTTPRequestHandler* pHdlr = (*it).second(rootPath.c_str(), subPath.c_str(), m_pTCPSocket);
va009039 1:22b9052d864d 114 //NEW CODE 1 LINE:
va009039 1:22b9052d864d 115 HTTPRequestHandler* pHdlr = (*it).second((*it).first.c_str(), path.c_str() + root_len, m_pTCPSocket);
va009039 1:22b9052d864d 116 m_pTCPSocket = NULL; //We don't own it anymore
va009039 1:22b9052d864d 117
va009039 1:22b9052d864d 118 switch(methCode)
va009039 1:22b9052d864d 119 {
va009039 1:22b9052d864d 120 case HTTP_GET:
va009039 1:22b9052d864d 121 pHdlr->doGet();
va009039 1:22b9052d864d 122 break;
va009039 1:22b9052d864d 123 case HTTP_POST:
va009039 1:22b9052d864d 124 pHdlr->doPost();
va009039 1:22b9052d864d 125 break;
va009039 1:22b9052d864d 126 case HTTP_HEAD:
va009039 1:22b9052d864d 127 pHdlr->doHead();
va009039 1:22b9052d864d 128 break;
va009039 1:22b9052d864d 129 }
va009039 1:22b9052d864d 130
va009039 1:22b9052d864d 131 DBG("Req handled (or being handled)\r\n");
va009039 1:22b9052d864d 132 close();
va009039 1:22b9052d864d 133 }
va009039 1:22b9052d864d 134
va009039 1:22b9052d864d 135 void HTTPRequestDispatcher::close() //Close socket and destroy data
va009039 1:22b9052d864d 136 {
va009039 1:22b9052d864d 137 if(m_closed)
va009039 1:22b9052d864d 138 return;
va009039 1:22b9052d864d 139 m_closed = true; //Prevent recursive calling or calling on an object being destructed by someone else
va009039 1:22b9052d864d 140 m_watchdog.detach();
va009039 1:22b9052d864d 141 if(m_pTCPSocket) //m_pTCPSocket Should only be destroyed if ownership not passed to an handler
va009039 1:22b9052d864d 142 {
va009039 1:22b9052d864d 143 m_pTCPSocket->resetOnEvent();
va009039 1:22b9052d864d 144 m_pTCPSocket->close();
va009039 1:22b9052d864d 145 delete m_pTCPSocket; //This fn might have been called by this socket (through an event), so DO NOT DESTROY IT HERE
va009039 1:22b9052d864d 146 }
va009039 1:22b9052d864d 147 NetService::close();
va009039 1:22b9052d864d 148 }
va009039 1:22b9052d864d 149
va009039 1:22b9052d864d 150
va009039 1:22b9052d864d 151 void HTTPRequestDispatcher::onTimeout() //Connection has timed out
va009039 1:22b9052d864d 152 {
va009039 1:22b9052d864d 153 close();
va009039 1:22b9052d864d 154 }
va009039 1:22b9052d864d 155
va009039 1:22b9052d864d 156 bool HTTPRequestDispatcher::getRequest(string* path, string* meth)
va009039 1:22b9052d864d 157 {
va009039 1:22b9052d864d 158 char req[128];
va009039 1:22b9052d864d 159 char c_path[128];
va009039 1:22b9052d864d 160 char c_meth[128];
va009039 1:22b9052d864d 161 const int maxLen = 128;
va009039 1:22b9052d864d 162 char* p = req;
va009039 1:22b9052d864d 163 //Read Line
va009039 1:22b9052d864d 164 int ret;
va009039 1:22b9052d864d 165 int len = 0;
va009039 1:22b9052d864d 166 for(int i = 0; i < maxLen - 1; i++)
va009039 1:22b9052d864d 167 {
va009039 1:22b9052d864d 168 ret = m_pTCPSocket->recv(p, 1);
va009039 1:22b9052d864d 169 if(!ret)
va009039 1:22b9052d864d 170 {
va009039 1:22b9052d864d 171 break;
va009039 1:22b9052d864d 172 }
va009039 1:22b9052d864d 173 if( (len > 1) && *(p-1)=='\r' && *p=='\n' )
va009039 1:22b9052d864d 174 {
va009039 1:22b9052d864d 175 p--;
va009039 1:22b9052d864d 176 len-=2;
va009039 1:22b9052d864d 177 break;
va009039 1:22b9052d864d 178 }
va009039 1:22b9052d864d 179 else if( *p=='\n' )
va009039 1:22b9052d864d 180 {
va009039 1:22b9052d864d 181 len--;
va009039 1:22b9052d864d 182 break;
va009039 1:22b9052d864d 183 }
va009039 1:22b9052d864d 184 p++;
va009039 1:22b9052d864d 185 len++;
va009039 1:22b9052d864d 186 }
va009039 1:22b9052d864d 187 *p = 0;
va009039 1:22b9052d864d 188
va009039 1:22b9052d864d 189 DBG("Parsing request : %s\r\n", req);
va009039 1:22b9052d864d 190
va009039 1:22b9052d864d 191 ret = sscanf(req, "%s %s HTTP/%*d.%*d", c_meth, c_path);
va009039 1:22b9052d864d 192 if(ret !=2)
va009039 1:22b9052d864d 193 return false;
va009039 1:22b9052d864d 194
va009039 1:22b9052d864d 195 *meth = string(c_meth);
va009039 1:22b9052d864d 196 // NEW CODE (old code removed):
va009039 1:22b9052d864d 197 *path = string(c_path);
va009039 1:22b9052d864d 198 return true;
va009039 1:22b9052d864d 199 }
va009039 1:22b9052d864d 200
va009039 1:22b9052d864d 201
va009039 1:22b9052d864d 202
va009039 1:22b9052d864d 203 void HTTPRequestDispatcher::onTCPSocketEvent(TCPSocketEvent e)
va009039 1:22b9052d864d 204 {
va009039 1:22b9052d864d 205
va009039 1:22b9052d864d 206 DBG("\r\nEvent %d\r\n", e);
va009039 1:22b9052d864d 207
va009039 1:22b9052d864d 208 if(m_closed)
va009039 1:22b9052d864d 209 {
va009039 1:22b9052d864d 210 DBG("\r\nWARN: Discarded\r\n");
va009039 1:22b9052d864d 211 return;
va009039 1:22b9052d864d 212 }
va009039 1:22b9052d864d 213
va009039 1:22b9052d864d 214 switch(e)
va009039 1:22b9052d864d 215 {
va009039 1:22b9052d864d 216 case TCPSOCKET_READABLE:
va009039 1:22b9052d864d 217 m_watchdog.detach();
va009039 1:22b9052d864d 218 m_pTCPSocket->resetOnEvent();
va009039 1:22b9052d864d 219 //Req arrived, dispatch :
va009039 1:22b9052d864d 220 dispatchRequest();
va009039 1:22b9052d864d 221 break;
va009039 1:22b9052d864d 222 case TCPSOCKET_CONTIMEOUT:
va009039 1:22b9052d864d 223 case TCPSOCKET_CONRST:
va009039 1:22b9052d864d 224 case TCPSOCKET_CONABRT:
va009039 1:22b9052d864d 225 case TCPSOCKET_ERROR:
va009039 1:22b9052d864d 226 case TCPSOCKET_DISCONNECTED:
va009039 1:22b9052d864d 227 close();
va009039 1:22b9052d864d 228 break;
va009039 1:22b9052d864d 229 }
va009039 1:22b9052d864d 230
va009039 1:22b9052d864d 231 }