Diff: LLDP.cpp

Revision:

0:a3d41f923207

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LLDP.cpp	Wed Nov 17 19:39:33 2010 +0000
@@ -0,0 +1,87 @@
+/*
+    Copyright (c) 2010 Andy Kirkham
+ 
+    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.
+*/
+
+
+#include "mbed.h"
+#include "LLDP.h"
+
+const char LLDPinfo1[] = "MBED";
+const char LLDPinfo2[] = "A rapid prototyping system for the LPC17xx embedded microcontroller";
+const char LLDPinfo3[] = "\x00\x80\x00\x80";
+
+LLDP::LLDP() : Ethernet() 
+{
+    int totalLength = 0;
+    address(macAddress);
+    
+    memset(buffer, 0xFF, sizeof(buffer));
+    
+    // Default to 4:MACAddress 
+    _chassis.setSubtype(4);
+    _chassis.setPayload(macAddress, 6);
+    
+    // Default to 4:MACAddress 
+    _port.setSubtype(3);
+    _port.setPayload(macAddress, 6);
+    
+    //_mbed.setOUI(macAddress);
+    //_mbed.setSubtype(1);
+    //_mbed.setPayload((char *)LLDPinfo, strlen(LLDPinfo));
+    _systemName.base.header.setType(5);
+    _systemName.setPayload((char *)LLDPinfo1, strlen(LLDPinfo1));
+    
+    _systemDesc.base.header.setType(6);
+    _systemDesc.setPayload((char *)LLDPinfo2, strlen(LLDPinfo2));
+    
+    _systemCap.base.header.setType(7);
+    _systemCap.setPayload((char *)LLDPinfo3, 4);
+    
+    totalLength += _chassis.copy(buffer + totalLength);
+    totalLength += _port.copy(buffer + totalLength);
+    totalLength += _ttl.copy(buffer + totalLength);
+    //totalLength += _mbed.copy(buffer + totalLength);
+    totalLength += _systemName.copy(buffer + totalLength);
+    totalLength += _systemDesc.copy(buffer + totalLength);
+    totalLength += _systemCap.copy(buffer + totalLength);
+    totalLength += _end.copy(buffer + totalLength);
+    buflen = totalLength;   
+}
+
+void
+LLDP::broadcast(void)
+{
+    char e[6 + 6 + 2];
+    
+    e[0] = 0x01; e[1] = 0x80; e[2] = 0xc2; e[3] = 0x00; e[4] = 0x00; e[5] = 0x0e;
+    e[6] = macAddress[0];
+    e[7] = macAddress[1];
+    e[8] = macAddress[2];
+    e[9] = macAddress[3];
+    e[10] = macAddress[4];
+    e[11] = macAddress[5];
+    e[12] = 0x88;
+    e[13] = 0xCC;
+    
+    write(e, 6 + 6 + 2);
+    write(buffer, buflen);
+    send();    
+}