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authorCristian Maglie <c.maglie@bug.st>2013-08-08 16:43:19 +0200
committerCristian Maglie <c.maglie@bug.st>2013-08-08 16:43:19 +0200
commita8193ed933d9c9954cefbfb541cde56770ab5b74 (patch)
tree80796833fecca5d7426f1d09f7ac9870bab5f062 /libraries/Ethernet/EthernetUdp.cpp
parenta4c9fee673342304a5b12f7f2f7f9ecb9cb26d30 (diff)
parent5527c44aa443b20d63cf7a276180a36695233924 (diff)
Merge branch 'ide-1.5.x-library-to-new-format' into ide-1.5.x
Diffstat (limited to 'libraries/Ethernet/EthernetUdp.cpp')
-rw-r--r--libraries/Ethernet/EthernetUdp.cpp218
1 files changed, 0 insertions, 218 deletions
diff --git a/libraries/Ethernet/EthernetUdp.cpp b/libraries/Ethernet/EthernetUdp.cpp
deleted file mode 100644
index 3760052..0000000
--- a/libraries/Ethernet/EthernetUdp.cpp
+++ /dev/null
@@ -1,218 +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/
- *
- * 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
- */
-
-#include "w5100.h"
-#include "socket.h"
-#include "Ethernet.h"
-#include "Udp.h"
-#include "Dns.h"
-
-/* Constructor */
-EthernetUDP::EthernetUDP() : _sock(MAX_SOCK_NUM) {}
-
-/* Start EthernetUDP socket, listening at local port PORT */
-uint8_t EthernetUDP::begin(uint16_t port) {
- if (_sock != MAX_SOCK_NUM)
- return 0;
-
- for (int i = 0; i < MAX_SOCK_NUM; i++) {
- uint8_t s = W5100.readSnSR(i);
- if (s == SnSR::CLOSED || s == SnSR::FIN_WAIT) {
- _sock = i;
- break;
- }
- }
-
- if (_sock == MAX_SOCK_NUM)
- return 0;
-
- _port = port;
- _remaining = 0;
- socket(_sock, SnMR::UDP, _port, 0);
-
- return 1;
-}
-
-/* return number of bytes available in the current packet,
- will return zero if parsePacket hasn't been called yet */
-int EthernetUDP::available() {
- return _remaining;
-}
-
-/* Release any resources being used by this EthernetUDP instance */
-void EthernetUDP::stop()
-{
- if (_sock == MAX_SOCK_NUM)
- return;
-
- close(_sock);
-
- EthernetClass::_server_port[_sock] = 0;
- _sock = MAX_SOCK_NUM;
-}
-
-int EthernetUDP::beginPacket(const char *host, uint16_t port)
-{
- // Look up the host first
- int ret = 0;
- DNSClient dns;
- IPAddress remote_addr;
-
- dns.begin(Ethernet.dnsServerIP());
- ret = dns.getHostByName(host, remote_addr);
- if (ret == 1) {
- return beginPacket(remote_addr, port);
- } else {
- return ret;
- }
-}
-
-int EthernetUDP::beginPacket(IPAddress ip, uint16_t port)
-{
- _offset = 0;
- return startUDP(_sock, rawIPAddress(ip), port);
-}
-
-int EthernetUDP::endPacket()
-{
- return sendUDP(_sock);
-}
-
-size_t EthernetUDP::write(uint8_t byte)
-{
- return write(&byte, 1);
-}
-
-size_t EthernetUDP::write(const uint8_t *buffer, size_t size)
-{
- uint16_t bytes_written = bufferData(_sock, _offset, buffer, size);
- _offset += bytes_written;
- return bytes_written;
-}
-
-int EthernetUDP::parsePacket()
-{
- // discard any remaining bytes in the last packet
- flush();
-
- if (W5100.getRXReceivedSize(_sock) > 0)
- {
- //HACK - hand-parse the UDP packet using TCP recv method
- uint8_t tmpBuf[8];
- int ret =0;
- //read 8 header bytes and get IP and port from it
- ret = recv(_sock,tmpBuf,8);
- if (ret > 0)
- {
- _remoteIP = tmpBuf;
- _remotePort = tmpBuf[4];
- _remotePort = (_remotePort << 8) + tmpBuf[5];
- _remaining = tmpBuf[6];
- _remaining = (_remaining << 8) + tmpBuf[7];
-
- // When we get here, any remaining bytes are the data
- ret = _remaining;
- }
- return ret;
- }
- // There aren't any packets available
- return 0;
-}
-
-int EthernetUDP::read()
-{
- uint8_t byte;
-
- if ((_remaining > 0) && (recv(_sock, &byte, 1) > 0))
- {
- // We read things without any problems
- _remaining--;
- return byte;
- }
-
- // If we get here, there's no data available
- return -1;
-}
-
-int EthernetUDP::read(unsigned char* buffer, size_t len)
-{
-
- if (_remaining > 0)
- {
-
- int got;
-
- if (_remaining <= len)
- {
- // data should fit in the buffer
- got = recv(_sock, buffer, _remaining);
- }
- else
- {
- // too much data for the buffer,
- // grab as much as will fit
- got = recv(_sock, buffer, len);
- }
-
- if (got > 0)
- {
- _remaining -= got;
- return got;
- }
-
- }
-
- // If we get here, there's no data available or recv failed
- return -1;
-
-}
-
-int EthernetUDP::peek()
-{
- uint8_t b;
- // Unlike recv, peek doesn't check to see if there's any data available, so we must.
- // If the user hasn't called parsePacket yet then return nothing otherwise they
- // may get the UDP header
- if (!_remaining)
- return -1;
- ::peek(_sock, &b);
- return b;
-}
-
-void EthernetUDP::flush()
-{
- // could this fail (loop endlessly) if _remaining > 0 and recv in read fails?
- // should only occur if recv fails after telling us the data is there, lets
- // hope the w5100 always behaves :)
-
- while (_remaining)
- {
- read();
- }
-}
-