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:
Fri Mar 22 11:51:24 2013 +0000
Revision:
0:bdeec5f86894
Child:
1:22b9052d864d
[mbed] converted /w5200NetIf/w5200NetIf

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:bdeec5f86894 1 // MyNetDnsRequest.cpp 2012/4/22
va009039 0:bdeec5f86894 2 #include "mbed.h"
va009039 0:bdeec5f86894 3 #include "MyNetDnsRequest.h"
va009039 0:bdeec5f86894 4 #include "UDPSocket.h"
va009039 0:bdeec5f86894 5 #include <string>
va009039 0:bdeec5f86894 6 #include "dnsname.h"
va009039 0:bdeec5f86894 7 #include "W5200NetIf.h"
va009039 0:bdeec5f86894 8 //#define __DEBUG
va009039 0:bdeec5f86894 9 #include "dbg/dbg.h"
va009039 0:bdeec5f86894 10
va009039 0:bdeec5f86894 11 #ifdef __DEBUG
va009039 0:bdeec5f86894 12 #define DBG2(...) do{ DebugStream::debug("%p %d %s ", this,__LINE__,__PRETTY_FUNCTION__); DebugStream::debug(__VA_ARGS__); } while(0);
va009039 0:bdeec5f86894 13 #else
va009039 0:bdeec5f86894 14 #define DBG2(...) while(0);
va009039 0:bdeec5f86894 15 #endif //__DEBUG
va009039 0:bdeec5f86894 16
va009039 0:bdeec5f86894 17 //#define DEBUG
va009039 0:bdeec5f86894 18
va009039 0:bdeec5f86894 19 #ifdef DEBUG
va009039 0:bdeec5f86894 20 #include "Utils.h"
va009039 0:bdeec5f86894 21 #define PRINT_FUNC() printf("%p %d:%s\n", this,__LINE__,__PRETTY_FUNCTION__)
va009039 0:bdeec5f86894 22 #else //DEBUG
va009039 0:bdeec5f86894 23 #define PRINT_FUNC()
va009039 0:bdeec5f86894 24 #endif //DEBUG
va009039 0:bdeec5f86894 25
va009039 0:bdeec5f86894 26
va009039 0:bdeec5f86894 27 MyNetDnsRequest::MyNetDnsRequest(const char* hostname) : NetDnsRequest(hostname),
va009039 0:bdeec5f86894 28 m_state(MYNETDNS_START), m_cbFired(false), m_closing(false), m_udp(NULL) {
va009039 0:bdeec5f86894 29 PRINT_FUNC();
va009039 0:bdeec5f86894 30 }
va009039 0:bdeec5f86894 31
va009039 0:bdeec5f86894 32 MyNetDnsRequest::MyNetDnsRequest(Host* pHost) : NetDnsRequest(pHost),
va009039 0:bdeec5f86894 33 m_state(MYNETDNS_START), m_cbFired(false), m_closing(false), m_udp(NULL) {
va009039 0:bdeec5f86894 34 PRINT_FUNC();
va009039 0:bdeec5f86894 35 }
va009039 0:bdeec5f86894 36
va009039 0:bdeec5f86894 37 MyNetDnsRequest::~MyNetDnsRequest() {
va009039 0:bdeec5f86894 38 PRINT_FUNC();
va009039 0:bdeec5f86894 39 if (m_udp) {
va009039 0:bdeec5f86894 40 delete m_udp;
va009039 0:bdeec5f86894 41 }
va009039 0:bdeec5f86894 42 }
va009039 0:bdeec5f86894 43
va009039 0:bdeec5f86894 44 void MyNetDnsRequest::callback(UDPSocketEvent e)
va009039 0:bdeec5f86894 45 {
va009039 0:bdeec5f86894 46 PRINT_FUNC();
va009039 0:bdeec5f86894 47 DBG2("m_id[]=%02x:%02x\n", m_id[0], m_id[1]);
va009039 0:bdeec5f86894 48 uint8_t buf[512];
va009039 0:bdeec5f86894 49 Host host;
va009039 0:bdeec5f86894 50 int len = m_udp->recvfrom((char*)buf, sizeof(buf), &host);
va009039 0:bdeec5f86894 51 if (memcmp(buf+0, m_id, 2) != 0) { //verify
va009039 0:bdeec5f86894 52 return;
va009039 0:bdeec5f86894 53 }
va009039 0:bdeec5f86894 54 int rcode = response(buf, len);
va009039 0:bdeec5f86894 55 if (rcode == 0) {
va009039 0:bdeec5f86894 56 m_state = MYNETDNS_OK;
va009039 0:bdeec5f86894 57 } else {
va009039 0:bdeec5f86894 58 m_state = MYNETDNS_NOTFOUND;
va009039 0:bdeec5f86894 59 }
va009039 0:bdeec5f86894 60 }
va009039 0:bdeec5f86894 61
va009039 0:bdeec5f86894 62 int MyNetDnsRequest::response(uint8_t buf[], int size) {
va009039 0:bdeec5f86894 63 PRINT_FUNC();
va009039 0:bdeec5f86894 64 #ifdef DEBUG
va009039 0:bdeec5f86894 65 printHex(buf, size);
va009039 0:bdeec5f86894 66 #endif //DEBUG
va009039 0:bdeec5f86894 67 int rcode = buf[3] & 0x0f;
va009039 0:bdeec5f86894 68 if (rcode != 0) {
va009039 0:bdeec5f86894 69 return rcode;
va009039 0:bdeec5f86894 70 }
va009039 0:bdeec5f86894 71 int qdcount = buf[4]<<8|buf[5];
va009039 0:bdeec5f86894 72 int ancount = buf[6]<<8|buf[7];
va009039 0:bdeec5f86894 73 int pos = 12;
va009039 0:bdeec5f86894 74 while(qdcount-- > 0) {
va009039 0:bdeec5f86894 75 dnsname qname(buf);
va009039 0:bdeec5f86894 76 pos = qname.decode(pos); // qname
va009039 0:bdeec5f86894 77 pos += 4; // qtype qclass
va009039 0:bdeec5f86894 78 }
va009039 0:bdeec5f86894 79 while(ancount-- > 0) {
va009039 0:bdeec5f86894 80 dnsname name(buf);
va009039 0:bdeec5f86894 81 pos = name.decode(pos); // name
va009039 0:bdeec5f86894 82 int type = buf[pos]<<8|buf[pos+1];
va009039 0:bdeec5f86894 83 pos += 8; // type class TTL
va009039 0:bdeec5f86894 84 int rdlength = buf[pos]<<8|buf[pos+1]; pos += 2;
va009039 0:bdeec5f86894 85 int rdata_pos = pos;
va009039 0:bdeec5f86894 86 pos += rdlength;
va009039 0:bdeec5f86894 87 if (type == 1) { // A record
va009039 0:bdeec5f86894 88 m_ip = IpAddr(buf[rdata_pos],buf[rdata_pos+1],buf[rdata_pos+2],buf[rdata_pos+3]);
va009039 0:bdeec5f86894 89 }
va009039 0:bdeec5f86894 90 #ifdef DEBUG
va009039 0:bdeec5f86894 91 printf("%s", name.str.c_str());
va009039 0:bdeec5f86894 92 if (type == 1) {
va009039 0:bdeec5f86894 93 printf(" A %d.%d.%d.%d\n",
va009039 0:bdeec5f86894 94 buf[rdata_pos],buf[rdata_pos+1],buf[rdata_pos+2],buf[rdata_pos+3]);
va009039 0:bdeec5f86894 95 } else if (type == 5) {
va009039 0:bdeec5f86894 96 dnsname rdname(buf);
va009039 0:bdeec5f86894 97 rdname.decode(rdata_pos);
va009039 0:bdeec5f86894 98 printf(" CNAME %s\n", rdname.str.c_str());
va009039 0:bdeec5f86894 99 } else {
va009039 0:bdeec5f86894 100 printf(" TYPE:%d", type);
va009039 0:bdeec5f86894 101 printfBytes(" RDATA:", &buf[rdata_pos], rdlength);
va009039 0:bdeec5f86894 102 }
va009039 0:bdeec5f86894 103 #endif //DEBUG
va009039 0:bdeec5f86894 104 }
va009039 0:bdeec5f86894 105 return rcode;
va009039 0:bdeec5f86894 106 }
va009039 0:bdeec5f86894 107
va009039 0:bdeec5f86894 108 int MyNetDnsRequest::query(uint8_t buf[], int size, const char* hostname) {
va009039 0:bdeec5f86894 109 PRINT_FUNC();
va009039 0:bdeec5f86894 110 const uint8_t header[] = {
va009039 0:bdeec5f86894 111 0x00,0x00,0x01,0x00, // id=0x0000 QR=0 rd=1 opcode=0 rcode=0
va009039 0:bdeec5f86894 112 0x00,0x01,0x00,0x00, // qdcount=1 ancount=0
va009039 0:bdeec5f86894 113 0x00,0x00,0x00,0x00};// nscount=0 arcount=0
va009039 0:bdeec5f86894 114 const uint8_t tail[] = {0x00,0x01,0x00,0x01}; // qtype=A qclass=IN
va009039 0:bdeec5f86894 115 memcpy(buf, header, sizeof(header));
va009039 0:bdeec5f86894 116 int t = clock();
va009039 0:bdeec5f86894 117 m_id[0] = t>>8;
va009039 0:bdeec5f86894 118 m_id[1] = t;
va009039 0:bdeec5f86894 119 memcpy(buf, m_id, 2);
va009039 0:bdeec5f86894 120 dnsname qname(buf);
va009039 0:bdeec5f86894 121 int pos = qname.encode(sizeof(header), (char*)hostname);
va009039 0:bdeec5f86894 122 memcpy(buf+pos, tail, sizeof(tail));
va009039 0:bdeec5f86894 123 pos += sizeof(tail);
va009039 0:bdeec5f86894 124 return pos;
va009039 0:bdeec5f86894 125 }
va009039 0:bdeec5f86894 126
va009039 0:bdeec5f86894 127 void MyNetDnsRequest::resolve(const char* hostname) {
va009039 0:bdeec5f86894 128 PRINT_FUNC();
va009039 0:bdeec5f86894 129 if (m_udp == NULL) {
va009039 0:bdeec5f86894 130 m_udp = new UDPSocket;
va009039 0:bdeec5f86894 131 }
va009039 0:bdeec5f86894 132 m_udp->setOnEvent(this, &MyNetDnsRequest::callback);
va009039 0:bdeec5f86894 133 Host local(IpAddr(0,0,0,0), 1024 + rand()&0x7fff);
va009039 0:bdeec5f86894 134 IpAddr dns(8,8,8,8);
va009039 0:bdeec5f86894 135 NetIf* pIf = Net::getDefaultIf();
va009039 0:bdeec5f86894 136 if (pIf) {
va009039 0:bdeec5f86894 137 dns = ((W5200NetIf*)pIf)->m_dns;
va009039 0:bdeec5f86894 138 }
va009039 0:bdeec5f86894 139 Host server(dns, 53); // DNS
va009039 0:bdeec5f86894 140 m_udp->bind(local);
va009039 0:bdeec5f86894 141 uint8_t buf[256];
va009039 0:bdeec5f86894 142 int size = query(buf, sizeof(buf), hostname);
va009039 0:bdeec5f86894 143 #ifdef DEBUG
va009039 0:bdeec5f86894 144 printf("hostname:[%s]\n", hostname);
va009039 0:bdeec5f86894 145 printHex(buf, size);
va009039 0:bdeec5f86894 146 #endif
va009039 0:bdeec5f86894 147 m_udp->sendto((char*)buf, size, &server);
va009039 0:bdeec5f86894 148 m_interval.reset();
va009039 0:bdeec5f86894 149 m_interval.start();
va009039 0:bdeec5f86894 150 }
va009039 0:bdeec5f86894 151
va009039 0:bdeec5f86894 152 void MyNetDnsRequest::poll() {
va009039 0:bdeec5f86894 153 PRINT_FUNC();
va009039 0:bdeec5f86894 154 #ifdef DEBUG
va009039 0:bdeec5f86894 155 printf("%p m_state: %d, m_udp: %p\n", this, m_state, m_udp);
va009039 0:bdeec5f86894 156 wait_ms(400);
va009039 0:bdeec5f86894 157 #endif //DEBUG
va009039 0:bdeec5f86894 158 switch(m_state) {
va009039 0:bdeec5f86894 159 case MYNETDNS_START:
va009039 0:bdeec5f86894 160 m_retry = 0;
va009039 0:bdeec5f86894 161 resolve(m_hostname);
va009039 0:bdeec5f86894 162 m_state = MYNETDNS_PROCESSING;
va009039 0:bdeec5f86894 163 break;
va009039 0:bdeec5f86894 164 case MYNETDNS_PROCESSING:
va009039 0:bdeec5f86894 165 break;
va009039 0:bdeec5f86894 166 case MYNETDNS_NOTFOUND:
va009039 0:bdeec5f86894 167 onReply(NETDNS_FOUND);
va009039 0:bdeec5f86894 168 break;
va009039 0:bdeec5f86894 169 case MYNETDNS_ERROR:
va009039 0:bdeec5f86894 170 onReply(NETDNS_ERROR);
va009039 0:bdeec5f86894 171 break;
va009039 0:bdeec5f86894 172 case MYNETDNS_OK:
va009039 0:bdeec5f86894 173 DBG2("m_retry=%d, m_interval=%d\n", m_retry, m_interval.read_ms());
va009039 0:bdeec5f86894 174 onReply(NETDNS_FOUND);
va009039 0:bdeec5f86894 175 break;
va009039 0:bdeec5f86894 176 }
va009039 0:bdeec5f86894 177 if (m_interval.read_ms() > 1000) {
va009039 0:bdeec5f86894 178 m_interval.stop();
va009039 0:bdeec5f86894 179 DBG2("timeout m_retry=%d\n", m_retry);
va009039 0:bdeec5f86894 180 if (++m_retry >= 2) {
va009039 0:bdeec5f86894 181 m_state = MYNETDNS_ERROR;
va009039 0:bdeec5f86894 182 } else {
va009039 0:bdeec5f86894 183 resolve(m_hostname);
va009039 0:bdeec5f86894 184 m_state = MYNETDNS_PROCESSING;
va009039 0:bdeec5f86894 185 }
va009039 0:bdeec5f86894 186 }
va009039 0:bdeec5f86894 187 if(m_closing && (m_state!=MYNETDNS_PROCESSING)) {
va009039 0:bdeec5f86894 188 NetDnsRequest::close();
va009039 0:bdeec5f86894 189 }
va009039 0:bdeec5f86894 190 }
va009039 0:bdeec5f86894 191
va009039 0:bdeec5f86894 192 void MyNetDnsRequest::close() {
va009039 0:bdeec5f86894 193 PRINT_FUNC();
va009039 0:bdeec5f86894 194 if(m_state != MYNETDNS_PROCESSING) {
va009039 0:bdeec5f86894 195 NetDnsRequest::close();
va009039 0:bdeec5f86894 196 } else {
va009039 0:bdeec5f86894 197 m_closing = true;
va009039 0:bdeec5f86894 198 }
va009039 0:bdeec5f86894 199 }