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Merge branch 'dhcp-dns'
This commit is contained in:
commit
66eb0852f7
@ -31,8 +31,11 @@
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#include "Ethernet.h"
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#include "Udp.h"
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/* Constructor */
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UDP::UDP() : _sock(MAX_SOCK_NUM) {}
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/* Start UDP socket, listening at local port PORT */
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uint8_t UdpClass::begin(uint16_t port) {
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uint8_t UDP::begin(uint16_t port) {
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if (_sock != MAX_SOCK_NUM)
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return 0;
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@ -56,13 +59,13 @@ uint8_t UdpClass::begin(uint16_t port) {
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/* Send packet contained in buf of length len to peer at specified ip, and port */
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/* Use this function to transmit binary data that might contain 0x00 bytes*/
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/* This function returns sent data size for success else -1. */
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uint16_t UdpClass::sendPacket(uint8_t * buf, uint16_t len, uint8_t * ip, uint16_t port){
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uint16_t UDP::sendPacket(uint8_t * buf, uint16_t len, uint8_t * ip, uint16_t port){
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return sendto(_sock,(const uint8_t *)buf,len,ip,port);
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}
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/* Send zero-terminated string str as packet to peer at specified ip, and port */
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/* This function returns sent data size for success else -1. */
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uint16_t UdpClass::sendPacket(const char str[], uint8_t * ip, uint16_t port){
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uint16_t UDP::sendPacket(const char str[], uint8_t * ip, uint16_t port){
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// compute strlen
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const char *s;
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for(s = str; *s; ++s);
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@ -72,7 +75,7 @@ uint16_t UdpClass::sendPacket(const char str[], uint8_t * ip, uint16_t port){
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}
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/* Is data available in rx buffer? Returns 0 if no, number of available bytes if yes.
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* returned value includes 8 byte UDP header!*/
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int UdpClass::available() {
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int UDP::available() {
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return W5100.getRXReceivedSize(_sock);
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}
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@ -82,7 +85,7 @@ int UdpClass::available() {
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/* NOTE: I don't believe len is ever checked in implementation of recvfrom(),*/
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/* so it's easy to overflow buffer. so we check and truncate. */
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/* returns number of bytes read, or negative number of bytes we would have needed if we truncated */
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int UdpClass::readPacket(uint8_t * buf, uint16_t bufLen, uint8_t *ip, uint16_t *port) {
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int UDP::readPacket(uint8_t * buf, uint16_t bufLen, uint8_t *ip, uint16_t *port) {
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int packetLen = available()-8; //skip UDP header;
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if(packetLen < 0 ) return 0; // no real data here
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if(packetLen > (int)bufLen) {
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@ -131,21 +134,21 @@ int UdpClass::readPacket(uint8_t * buf, uint16_t bufLen, uint8_t *ip, uint16_t *
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}
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/* Read a received packet, throw away peer's ip and port. See note above. */
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int UdpClass::readPacket(uint8_t * buf, uint16_t len) {
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int UDP::readPacket(uint8_t * buf, uint16_t len) {
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uint8_t ip[4];
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uint16_t port[1];
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return recvfrom(_sock,buf,len,ip,port);
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}
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int UdpClass::readPacket(char * buf, uint16_t bufLen, uint8_t *ip, uint16_t &port) {
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int UDP::readPacket(char * buf, uint16_t bufLen, uint8_t *ip, uint16_t &port) {
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uint16_t myPort;
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uint16_t ret = readPacket( (byte*)buf, bufLen, ip, &myPort);
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port = myPort;
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return ret;
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}
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/* Release any resources being used by this UdpClass instance */
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void UdpClass::stop()
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/* Release any resources being used by this UDP instance */
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void UDP::stop()
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{
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if (_sock == MAX_SOCK_NUM)
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return;
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@ -39,13 +39,13 @@
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#define UDP_TX_PACKET_MAX_SIZE 24
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class UdpClass {
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class UDP {
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private:
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uint8_t _sock; // socket ID for Wiz5100
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uint16_t _port; // local port to listen on
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public:
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UdpClass() : _sock(MAX_SOCK_NUM) {};
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UDP();
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uint8_t begin(uint16_t); // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
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int available(); // has data been received?
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@ -36,7 +36,7 @@ char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet,
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char ReplyBuffer[] = "acknowledged"; // a string to send back
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// A UDP instance to let us send and receive packets over UDP
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UdpClass Udp;
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UDP Udp;
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void setup() {
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// start the Ethernet and UDP:
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@ -38,7 +38,7 @@ const int NTP_PACKET_SIZE= 48; // NTP time stamp is in the first 48 bytes of the
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byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets
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// A UDP instance to let us send and receive packets over UDP
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UdpClass Udp;
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UDP Udp;
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void setup()
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{
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