diff options
Diffstat (limited to 'libraries/Ethernet/EthernetUdp.h')
-rw-r--r-- | libraries/Ethernet/EthernetUdp.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/libraries/Ethernet/EthernetUdp.h b/libraries/Ethernet/EthernetUdp.h deleted file mode 100644 index 8a6b7ab..0000000 --- a/libraries/Ethernet/EthernetUdp.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Udp.cpp: Library to send/receive UDP packets with the Arduino ethernet shield. - * This version only offers minimal wrapping of socket.c/socket.h - * Drop Udp.h/.cpp into the Ethernet library directory at hardware/libraries/Ethernet/ - * - * NOTE: UDP is fast, but has some important limitations (thanks to Warren Gray for mentioning these) - * 1) UDP does not guarantee the order in which assembled UDP packets are received. This - * might not happen often in practice, but in larger network topologies, a UDP - * packet can be received out of sequence. - * 2) UDP does not guard against lost packets - so packets *can* disappear without the sender being - * aware of it. Again, this may not be a concern in practice on small local networks. - * For more information, see http://www.cafeaulait.org/course/week12/35.html - * - * MIT License: - * Copyright (c) 2008 Bjoern Hartmann - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * bjoern@cs.stanford.edu 12/30/2008 - */ - -#ifndef ethernetudp_h -#define ethernetudp_h - -#include <Udp.h> - -#define UDP_TX_PACKET_MAX_SIZE 24 - -class EthernetUDP : public UDP { -private: - uint8_t _sock; // socket ID for Wiz5100 - uint16_t _port; // local port to listen on - IPAddress _remoteIP; // remote IP address for the incoming packet whilst it's being processed - uint16_t _remotePort; // remote port for the incoming packet whilst it's being processed - uint16_t _offset; // offset into the packet being sent - uint16_t _remaining; // remaining bytes of incoming packet yet to be processed - -public: - EthernetUDP(); // Constructor - virtual uint8_t begin(uint16_t); // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use - virtual void stop(); // Finish with the UDP socket - - // Sending UDP packets - - // Start building up a packet to send to the remote host specific in ip and port - // Returns 1 if successful, 0 if there was a problem with the supplied IP address or port - virtual int beginPacket(IPAddress ip, uint16_t port); - // Start building up a packet to send to the remote host specific in host and port - // Returns 1 if successful, 0 if there was a problem resolving the hostname or port - virtual int beginPacket(const char *host, uint16_t port); - // Finish off this packet and send it - // Returns 1 if the packet was sent successfully, 0 if there was an error - virtual int endPacket(); - // Write a single byte into the packet - virtual size_t write(uint8_t); - // Write size bytes from buffer into the packet - virtual size_t write(const uint8_t *buffer, size_t size); - - using Print::write; - - // Start processing the next available incoming packet - // Returns the size of the packet in bytes, or 0 if no packets are available - virtual int parsePacket(); - // Number of bytes remaining in the current packet - virtual int available(); - // Read a single byte from the current packet - virtual int read(); - // Read up to len bytes from the current packet and place them into buffer - // Returns the number of bytes read, or 0 if none are available - virtual int read(unsigned char* buffer, size_t len); - // Read up to len characters from the current packet and place them into buffer - // Returns the number of characters read, or 0 if none are available - virtual int read(char* buffer, size_t len) { return read((unsigned char*)buffer, len); }; - // Return the next byte from the current packet without moving on to the next byte - virtual int peek(); - virtual void flush(); // Finish reading the current packet - - // Return the IP address of the host who sent the current incoming packet - virtual IPAddress remoteIP() { return _remoteIP; }; - // Return the port of the host who sent the current incoming packet - virtual uint16_t remotePort() { return _remotePort; }; -}; - -#endif |