Merge branch 'ide-1.5.x-library-to-new-format' into ide-1.5.x

1 files changed, 0 insertions, 480 deletions

diff --git a/libraries/Ethernet/Dhcp.cpp b/libraries/Ethernet/Dhcp.cpp
deleted file mode 100644
index 56d5b69..0000000
--- a/libraries/Ethernet/Dhcp.cpp
+++ /dev/null
@@ -1,480 +0,0 @@
-// DHCP Library v0.3 - April 25, 2009

-// Author: Jordan Terrell - blog.jordanterrell.com

-

-#include "w5100.h"

-

-#include <string.h>

-#include <stdlib.h>

-#include "Dhcp.h"

-#include "Arduino.h"

-#include "util.h"

-

-int DhcpClass::beginWithDHCP(uint8_t *mac, unsigned long timeout, unsigned long responseTimeout)

-{

-    _dhcpLeaseTime=0;

-    _dhcpT1=0;

-    _dhcpT2=0;

-    _lastCheck=0;

-    _timeout = timeout;

-    _responseTimeout = responseTimeout;

-

-    // zero out _dhcpMacAddr

-    memset(_dhcpMacAddr, 0, 6); 

-    reset_DHCP_lease();

-

-    memcpy((void*)_dhcpMacAddr, (void*)mac, 6);

-    _dhcp_state = STATE_DHCP_START;

-    return request_DHCP_lease();

-}

-

-void DhcpClass::reset_DHCP_lease(){

-    // zero out _dhcpSubnetMask, _dhcpGatewayIp, _dhcpLocalIp, _dhcpDhcpServerIp, _dhcpDnsServerIp

-    memset(_dhcpLocalIp, 0, 20);

-}

-

-//return:0 on error, 1 if request is sent and response is received

-int DhcpClass::request_DHCP_lease(){

-    

-    uint8_t messageType = 0;

-  

-    

-  

-    // Pick an initial transaction ID

-    _dhcpTransactionId = random(1UL, 2000UL);

-    _dhcpInitialTransactionId = _dhcpTransactionId;

-

-    _dhcpUdpSocket.stop();

-    if (_dhcpUdpSocket.begin(DHCP_CLIENT_PORT) == 0)

-    {

-      // Couldn't get a socket

-      return 0;

-    }

-    

-    presend_DHCP();

-    

-    int result = 0;

-    

-    unsigned long startTime = millis();

-    

-    while(_dhcp_state != STATE_DHCP_LEASED)

-    {

-        if(_dhcp_state == STATE_DHCP_START)

-        {

-            _dhcpTransactionId++;

-            

-            send_DHCP_MESSAGE(DHCP_DISCOVER, ((millis() - startTime) / 1000));

-            _dhcp_state = STATE_DHCP_DISCOVER;

-        }

-        else if(_dhcp_state == STATE_DHCP_REREQUEST){

-            _dhcpTransactionId++;

-            send_DHCP_MESSAGE(DHCP_REQUEST, ((millis() - startTime)/1000));

-            _dhcp_state = STATE_DHCP_REQUEST;

-        }

-        else if(_dhcp_state == STATE_DHCP_DISCOVER)

-        {

-            uint32_t respId;

-            messageType = parseDHCPResponse(_responseTimeout, respId);

-            if(messageType == DHCP_OFFER)

-            {

-                // We'll use the transaction ID that the offer came with,

-                // rather than the one we were up to

-                _dhcpTransactionId = respId;

-                send_DHCP_MESSAGE(DHCP_REQUEST, ((millis() - startTime) / 1000));

-                _dhcp_state = STATE_DHCP_REQUEST;

-            }

-        }

-        else if(_dhcp_state == STATE_DHCP_REQUEST)

-        {

-            uint32_t respId;

-            messageType = parseDHCPResponse(_responseTimeout, respId);

-            if(messageType == DHCP_ACK)

-            {

-                _dhcp_state = STATE_DHCP_LEASED;

-                result = 1;

-                //use default lease time if we didn't get it

-                if(_dhcpLeaseTime == 0){

-                    _dhcpLeaseTime = DEFAULT_LEASE;

-                }

-                //calculate T1 & T2 if we didn't get it

-                if(_dhcpT1 == 0){

-                    //T1 should be 50% of _dhcpLeaseTime

-                    _dhcpT1 = _dhcpLeaseTime >> 1;

-                }

-                if(_dhcpT2 == 0){

-                    //T2 should be 87.5% (7/8ths) of _dhcpLeaseTime

-                    _dhcpT2 = _dhcpT1 << 1;

-                }

-                _renewInSec = _dhcpT1;

-                _rebindInSec = _dhcpT2;

-            }

-            else if(messageType == DHCP_NAK)

-                _dhcp_state = STATE_DHCP_START;

-        }

-        

-        if(messageType == 255)

-        {

-            messageType = 0;

-            _dhcp_state = STATE_DHCP_START;

-        }

-        

-        if(result != 1 && ((millis() - startTime) > _timeout))

-            break;

-    }

-    

-    // We're done with the socket now

-    _dhcpUdpSocket.stop();

-    _dhcpTransactionId++;

-

-    return result;

-}

-

-void DhcpClass::presend_DHCP()

-{

-}

-

-void DhcpClass::send_DHCP_MESSAGE(uint8_t messageType, uint16_t secondsElapsed)

-{

-    uint8_t buffer[32];

-    memset(buffer, 0, 32);

-    IPAddress dest_addr( 255, 255, 255, 255 ); // Broadcast address

-

-    if (-1 == _dhcpUdpSocket.beginPacket(dest_addr, DHCP_SERVER_PORT))

-    {

-        // FIXME Need to return errors

-        return;

-    }

-

-    buffer[0] = DHCP_BOOTREQUEST;   // op

-    buffer[1] = DHCP_HTYPE10MB;     // htype

-    buffer[2] = DHCP_HLENETHERNET;  // hlen

-    buffer[3] = DHCP_HOPS;          // hops

-

-    // xid

-    unsigned long xid = htonl(_dhcpTransactionId);

-    memcpy(buffer + 4, &(xid), 4);

-

-    // 8, 9 - seconds elapsed

-    buffer[8] = ((secondsElapsed & 0xff00) >> 8);

-    buffer[9] = (secondsElapsed & 0x00ff);

-

-    // flags

-    unsigned short flags = htons(DHCP_FLAGSBROADCAST);

-    memcpy(buffer + 10, &(flags), 2);

-

-    // ciaddr: already zeroed

-    // yiaddr: already zeroed

-    // siaddr: already zeroed

-    // giaddr: already zeroed

-

-    //put data in W5100 transmit buffer

-    _dhcpUdpSocket.write(buffer, 28);

-

-    memset(buffer, 0, 32); // clear local buffer

-

-    memcpy(buffer, _dhcpMacAddr, 6); // chaddr

-

-    //put data in W5100 transmit buffer

-    _dhcpUdpSocket.write(buffer, 16);

-

-    memset(buffer, 0, 32); // clear local buffer

-

-    // leave zeroed out for sname && file

-    // put in W5100 transmit buffer x 6 (192 bytes)

-  

-    for(int i = 0; i < 6; i++) {

-        _dhcpUdpSocket.write(buffer, 32);

-    }

-  

-    // OPT - Magic Cookie

-    buffer[0] = (uint8_t)((MAGIC_COOKIE >> 24)& 0xFF);

-    buffer[1] = (uint8_t)((MAGIC_COOKIE >> 16)& 0xFF);

-    buffer[2] = (uint8_t)((MAGIC_COOKIE >> 8)& 0xFF);

-    buffer[3] = (uint8_t)(MAGIC_COOKIE& 0xFF);

-

-    // OPT - message type

-    buffer[4] = dhcpMessageType;

-    buffer[5] = 0x01;

-    buffer[6] = messageType; //DHCP_REQUEST;

-

-    // OPT - client identifier

-    buffer[7] = dhcpClientIdentifier;

-    buffer[8] = 0x07;

-    buffer[9] = 0x01;

-    memcpy(buffer + 10, _dhcpMacAddr, 6);

-

-    // OPT - host name

-    buffer[16] = hostName;

-    buffer[17] = strlen(HOST_NAME) + 6; // length of hostname + last 3 bytes of mac address

-    strcpy((char*)&(buffer[18]), HOST_NAME);

-

-    printByte((char*)&(buffer[24]), _dhcpMacAddr[3]);

-    printByte((char*)&(buffer[26]), _dhcpMacAddr[4]);

-    printByte((char*)&(buffer[28]), _dhcpMacAddr[5]);

-

-    //put data in W5100 transmit buffer

-    _dhcpUdpSocket.write(buffer, 30);

-

-    if(messageType == DHCP_REQUEST)

-    {

-        buffer[0] = dhcpRequestedIPaddr;

-        buffer[1] = 0x04;

-        buffer[2] = _dhcpLocalIp[0];

-        buffer[3] = _dhcpLocalIp[1];

-        buffer[4] = _dhcpLocalIp[2];

-        buffer[5] = _dhcpLocalIp[3];

-

-        buffer[6] = dhcpServerIdentifier;

-        buffer[7] = 0x04;

-        buffer[8] = _dhcpDhcpServerIp[0];

-        buffer[9] = _dhcpDhcpServerIp[1];

-        buffer[10] = _dhcpDhcpServerIp[2];

-        buffer[11] = _dhcpDhcpServerIp[3];

-

-        //put data in W5100 transmit buffer

-        _dhcpUdpSocket.write(buffer, 12);

-    }

-    

-    buffer[0] = dhcpParamRequest;

-    buffer[1] = 0x06;

-    buffer[2] = subnetMask;

-    buffer[3] = routersOnSubnet;

-    buffer[4] = dns;

-    buffer[5] = domainName;

-    buffer[6] = dhcpT1value;

-    buffer[7] = dhcpT2value;

-    buffer[8] = endOption;

-    

-    //put data in W5100 transmit buffer

-    _dhcpUdpSocket.write(buffer, 9);

-

-    _dhcpUdpSocket.endPacket();

-}

-

-uint8_t DhcpClass::parseDHCPResponse(unsigned long responseTimeout, uint32_t& transactionId)

-{

-    uint8_t type = 0;

-    uint8_t opt_len = 0;

-     

-    unsigned long startTime = millis();

-

-    while(_dhcpUdpSocket.parsePacket() <= 0)

-    {

-        if((millis() - startTime) > responseTimeout)

-        {

-            return 255;

-        }

-        delay(50);

-    }

-    // start reading in the packet

-    RIP_MSG_FIXED fixedMsg;

-    _dhcpUdpSocket.read((uint8_t*)&fixedMsg, sizeof(RIP_MSG_FIXED));

-  

-    if(fixedMsg.op == DHCP_BOOTREPLY && _dhcpUdpSocket.remotePort() == DHCP_SERVER_PORT)

-    {

-        transactionId = ntohl(fixedMsg.xid);

-        if(memcmp(fixedMsg.chaddr, _dhcpMacAddr, 6) != 0 || (transactionId < _dhcpInitialTransactionId) || (transactionId > _dhcpTransactionId))

-        {

-            // Need to read the rest of the packet here regardless

-            _dhcpUdpSocket.flush();

-            return 0;

-        }

-

-        memcpy(_dhcpLocalIp, fixedMsg.yiaddr, 4);

-

-        // Skip to the option part

-        // Doing this a byte at a time so we don't have to put a big buffer

-        // on the stack (as we don't have lots of memory lying around)

-        for (int i =0; i < (240 - (int)sizeof(RIP_MSG_FIXED)); i++)

-        {

-            _dhcpUdpSocket.read(); // we don't care about the returned byte

-        }

-

-        while (_dhcpUdpSocket.available() > 0) 

-        {

-            switch (_dhcpUdpSocket.read()) 

-            {

-                case endOption :

-                    break;

-                    

-                case padOption :

-                    break;

-                

-                case dhcpMessageType :

-                    opt_len = _dhcpUdpSocket.read();

-                    type = _dhcpUdpSocket.read();

-                    break;

-                

-                case subnetMask :

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read(_dhcpSubnetMask, 4);

-                    break;

-                

-                case routersOnSubnet :

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read(_dhcpGatewayIp, 4);

-                    for (int i = 0; i < opt_len-4; i++)

-                    {

-                        _dhcpUdpSocket.read();

-                    }

-                    break;

-                

-                case dns :

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read(_dhcpDnsServerIp, 4);

-                    for (int i = 0; i < opt_len-4; i++)

-                    {

-                        _dhcpUdpSocket.read();

-                    }

-                    break;

-                

-                case dhcpServerIdentifier :

-                    opt_len = _dhcpUdpSocket.read();

-                    if( *((uint32_t*)_dhcpDhcpServerIp) == 0 || 

-                        IPAddress(_dhcpDhcpServerIp) == _dhcpUdpSocket.remoteIP() )

-                    {

-                        _dhcpUdpSocket.read(_dhcpDhcpServerIp, sizeof(_dhcpDhcpServerIp));

-                    }

-                    else

-                    {

-                        // Skip over the rest of this option

-                        while (opt_len--)

-                        {

-                            _dhcpUdpSocket.read();

-                        }

-                    }

-                    break;

-

-                case dhcpT1value : 

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read((uint8_t*)&_dhcpT1, sizeof(_dhcpT1));

-                    _dhcpT1 = ntohl(_dhcpT1);

-                    break;

-

-                case dhcpT2value : 

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read((uint8_t*)&_dhcpT2, sizeof(_dhcpT2));

-                    _dhcpT2 = ntohl(_dhcpT2);

-                    break;

-

-                case dhcpIPaddrLeaseTime :

-                    opt_len = _dhcpUdpSocket.read();

-                    _dhcpUdpSocket.read((uint8_t*)&_dhcpLeaseTime, sizeof(_dhcpLeaseTime));

-                    _dhcpLeaseTime = ntohl(_dhcpLeaseTime);

-                    _renewInSec = _dhcpLeaseTime;

-                    break;

-

-                default :

-                    opt_len = _dhcpUdpSocket.read();

-                    // Skip over the rest of this option

-                    while (opt_len--)

-                    {

-                        _dhcpUdpSocket.read();

-                    }

-                    break;

-            }

-        }

-    }

-

-    // Need to skip to end of the packet regardless here

-    _dhcpUdpSocket.flush();

-

-    return type;

-}

-

-

-/*

-    returns:

-    0/DHCP_CHECK_NONE: nothing happened

-    1/DHCP_CHECK_RENEW_FAIL: renew failed

-    2/DHCP_CHECK_RENEW_OK: renew success

-    3/DHCP_CHECK_REBIND_FAIL: rebind fail

-    4/DHCP_CHECK_REBIND_OK: rebind success

-*/

-int DhcpClass::checkLease(){

-    //this uses a signed / unsigned trick to deal with millis overflow

-    unsigned long now = millis();

-    signed long snow = (long)now;

-    int rc=DHCP_CHECK_NONE;

-    if (_lastCheck != 0){

-        signed long factor;

-        //calc how many ms past the timeout we are

-        factor = snow - (long)_secTimeout;

-        //if on or passed the timeout, reduce the counters

-        if ( factor >= 0 ){

-            //next timeout should be now plus 1000 ms minus parts of second in factor

-            _secTimeout = snow + 1000 - factor % 1000;

-            //how many seconds late are we, minimum 1

-            factor = factor / 1000 +1;

-            

-            //reduce the counters by that mouch

-            //if we can assume that the cycle time (factor) is fairly constant

-            //and if the remainder is less than cycle time * 2 

-            //do it early instead of late

-            if(_renewInSec < factor*2 )

-                _renewInSec = 0;

-            else

-                _renewInSec -= factor;

-            

-            if(_rebindInSec < factor*2 )

-                _rebindInSec = 0;

-            else

-                _rebindInSec -= factor;

-        }

-

-        //if we have a lease but should renew, do it

-        if (_dhcp_state == STATE_DHCP_LEASED && _renewInSec <=0){

-            _dhcp_state = STATE_DHCP_REREQUEST;

-            rc = 1 + request_DHCP_lease();

-        }

-

-        //if we have a lease or is renewing but should bind, do it

-        if( (_dhcp_state == STATE_DHCP_LEASED || _dhcp_state == STATE_DHCP_START) && _rebindInSec <=0){

-            //this should basically restart completely

-            _dhcp_state = STATE_DHCP_START;

-            reset_DHCP_lease();

-            rc = 3 + request_DHCP_lease();

-        }

-    }

-    else{

-        _secTimeout = snow + 1000;

-    }

-

-    _lastCheck = now;

-    return rc;

-}

-

-IPAddress DhcpClass::getLocalIp()

-{

-    return IPAddress(_dhcpLocalIp);

-}

-

-IPAddress DhcpClass::getSubnetMask()

-{

-    return IPAddress(_dhcpSubnetMask);

-}

-

-IPAddress DhcpClass::getGatewayIp()

-{

-    return IPAddress(_dhcpGatewayIp);

-}

-

-IPAddress DhcpClass::getDhcpServerIp()

-{

-    return IPAddress(_dhcpDhcpServerIp);

-}

-

-IPAddress DhcpClass::getDnsServerIp()

-{

-    return IPAddress(_dhcpDnsServerIp);

-}

-

-void DhcpClass::printByte(char * buf, uint8_t n ) {

-  char *str = &buf[1];

-  buf[0]='0';

-  do {

-    unsigned long m = n;

-    n /= 16;

-    char c = m - 16 * n;

-    *str-- = c < 10 ? c + '0' : c + 'A' - 10;

-  } while(n);

-}