Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

net.cpp@48:952dddb74b8b, 2017-10-31 (annotated)

Committer:
andrewboyson
Date:
Tue Oct 31 21:25:09 2017 +0000
Revision:
48:952dddb74b8b
Parent:
47:73af5c0b0dc2
Child:
50:492f2d2954e4
Split address resolution into AR4 and AR6. Corrected issue clearing a AR6 record.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 7:b794780e33b4 1 #include "mbed.h"
andrewboyson 7:b794780e33b4 2 #include "phy.h"
andrewboyson 7:b794780e33b4 3 #include "net.h"
andrewboyson 7:b794780e33b4 4 #include "tcp.h"
andrewboyson 7:b794780e33b4 5 #include "dhcp.h"
andrewboyson 48:952dddb74b8b 6 #include "ar4.h"
andrewboyson 48:952dddb74b8b 7 #include "ar6.h"
andrewboyson 35:93c39d260a83 8 #include "nr.h"
andrewboyson 7:b794780e33b4 9 #include "dns.h"
andrewboyson 7:b794780e33b4 10 #include "slaac.h"
andrewboyson 47:73af5c0b0dc2 11 #include "ndp.h"
andrewboyson 22:914b970356f0 12 #include "ntp.h"
andrewboyson 22:914b970356f0 13 #include "io.h"
andrewboyson 2:849103b5a16d 14
andrewboyson 37:793b39683406 15
andrewboyson 43:bc028d5a6424 16 bool NetTraceStack = false;
andrewboyson 43:bc028d5a6424 17 bool NetTraceNewLine = false;
andrewboyson 43:bc028d5a6424 18 bool NetTraceVerbose = false;
andrewboyson 42:222a4f45f916 19 bool NetPreferIp4Polled = false;
andrewboyson 42:222a4f45f916 20
andrewboyson 44:83ce5ace337b 21 char* NetName4;
andrewboyson 44:83ce5ace337b 22 char* NetName6;
andrewboyson 10:f0854784e960 23
andrewboyson 0:faa09bd4e6bf 24 int16_t NetToHost16(int16_t n)
andrewboyson 0:faa09bd4e6bf 25 {
andrewboyson 0:faa09bd4e6bf 26 int16_t h;
andrewboyson 0:faa09bd4e6bf 27
andrewboyson 0:faa09bd4e6bf 28 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 29 char* ph = (char*)&h + 1;
andrewboyson 0:faa09bd4e6bf 30
andrewboyson 0:faa09bd4e6bf 31 *ph = *pn; ph--; pn++; // 1<-0
andrewboyson 0:faa09bd4e6bf 32 *ph = *pn; // 0<-1
andrewboyson 0:faa09bd4e6bf 33
andrewboyson 0:faa09bd4e6bf 34 return h;
andrewboyson 0:faa09bd4e6bf 35 }
andrewboyson 0:faa09bd4e6bf 36
andrewboyson 0:faa09bd4e6bf 37 int32_t NetToHost32(int32_t n)
andrewboyson 0:faa09bd4e6bf 38 {
andrewboyson 0:faa09bd4e6bf 39 int32_t h;
andrewboyson 0:faa09bd4e6bf 40
andrewboyson 0:faa09bd4e6bf 41 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 42 char* ph = (char*)&h + 3;
andrewboyson 0:faa09bd4e6bf 43
andrewboyson 0:faa09bd4e6bf 44 *ph = *pn; ph--; pn++; // 3<-0
andrewboyson 0:faa09bd4e6bf 45 *ph = *pn; ph--; pn++; // 2<-1
andrewboyson 0:faa09bd4e6bf 46 *ph = *pn; ph--; pn++; // 1<-2
andrewboyson 0:faa09bd4e6bf 47 *ph = *pn; // 0<-3
andrewboyson 0:faa09bd4e6bf 48
andrewboyson 0:faa09bd4e6bf 49 return h;
andrewboyson 0:faa09bd4e6bf 50 }
andrewboyson 0:faa09bd4e6bf 51 int64_t NetToHost64(int64_t n)
andrewboyson 0:faa09bd4e6bf 52 {
andrewboyson 0:faa09bd4e6bf 53 int64_t h;
andrewboyson 0:faa09bd4e6bf 54
andrewboyson 0:faa09bd4e6bf 55 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 56 char* ph = (char*)&h + 7;
andrewboyson 0:faa09bd4e6bf 57
andrewboyson 0:faa09bd4e6bf 58 *ph = *pn; ph--; pn++; // 7<-0
andrewboyson 0:faa09bd4e6bf 59 *ph = *pn; ph--; pn++; // 6<-1
andrewboyson 0:faa09bd4e6bf 60 *ph = *pn; ph--; pn++; // 5<-2
andrewboyson 0:faa09bd4e6bf 61 *ph = *pn; ph--; pn++; // 4<-3
andrewboyson 0:faa09bd4e6bf 62 *ph = *pn; ph--; pn++; // 3<-4
andrewboyson 0:faa09bd4e6bf 63 *ph = *pn; ph--; pn++; // 2<-5
andrewboyson 0:faa09bd4e6bf 64 *ph = *pn; ph--; pn++; // 1<-6
andrewboyson 0:faa09bd4e6bf 65 *ph = *pn; // 0<-7
andrewboyson 0:faa09bd4e6bf 66
andrewboyson 0:faa09bd4e6bf 67 return h;
andrewboyson 0:faa09bd4e6bf 68 }
andrewboyson 0:faa09bd4e6bf 69 uint16_t onesComplement(uint16_t start, int count, void* pData)
andrewboyson 0:faa09bd4e6bf 70 {
andrewboyson 0:faa09bd4e6bf 71 uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum
andrewboyson 0:faa09bd4e6bf 72 uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data
andrewboyson 0:faa09bd4e6bf 73
andrewboyson 0:faa09bd4e6bf 74 while(count > 1)
andrewboyson 0:faa09bd4e6bf 75 {
andrewboyson 0:faa09bd4e6bf 76 sum += *p++; // Add each pair of bytes into 32 bit accumulator
andrewboyson 0:faa09bd4e6bf 77 count -= 2;
andrewboyson 0:faa09bd4e6bf 78 }
andrewboyson 0:faa09bd4e6bf 79 if(count) sum += * (uint8_t*) p; // Add left-over byte, if any
andrewboyson 0:faa09bd4e6bf 80 while (sum>>16) sum = (sum & 0xffff) + (sum >> 16); // Add any carries from the sum back into the sum to make it ones complement
andrewboyson 0:faa09bd4e6bf 81 return sum;
andrewboyson 0:faa09bd4e6bf 82 }
andrewboyson 0:faa09bd4e6bf 83 uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2)
andrewboyson 0:faa09bd4e6bf 84 {
andrewboyson 0:faa09bd4e6bf 85 uint16_t sum = onesComplement(0, count1, pData1);
andrewboyson 0:faa09bd4e6bf 86 return ~onesComplement(sum, count2, pData2);
andrewboyson 0:faa09bd4e6bf 87 }
andrewboyson 0:faa09bd4e6bf 88 uint16_t NetCheckSum(int count, void* pData)
andrewboyson 0:faa09bd4e6bf 89 {
andrewboyson 0:faa09bd4e6bf 90 return ~onesComplement(0, count, pData);
andrewboyson 0:faa09bd4e6bf 91 }
andrewboyson 2:849103b5a16d 92
andrewboyson 44:83ce5ace337b 93 int NetInit(char* name4, char* name6)
andrewboyson 2:849103b5a16d 94 {
andrewboyson 44:83ce5ace337b 95 NetName4 = name4;
andrewboyson 44:83ce5ace337b 96 NetName6 = name6;
andrewboyson 30:e34173b7585c 97 PhyInit();
andrewboyson 30:e34173b7585c 98 TcpInit();
andrewboyson 48:952dddb74b8b 99 Ar4Init();
andrewboyson 48:952dddb74b8b 100 Ar6Init();
andrewboyson 35:93c39d260a83 101 NrInit();
andrewboyson 30:e34173b7585c 102 SlaacInit();
andrewboyson 2:849103b5a16d 103 return 0;
andrewboyson 2:849103b5a16d 104 }
andrewboyson 2:849103b5a16d 105 int NetMain()
andrewboyson 2:849103b5a16d 106 {
andrewboyson 35:93c39d260a83 107 PhyMain();
andrewboyson 48:952dddb74b8b 108 Ar4Main();
andrewboyson 48:952dddb74b8b 109 Ar6Main();
andrewboyson 35:93c39d260a83 110 NrMain();
andrewboyson 43:bc028d5a6424 111 DhcpMain();
andrewboyson 43:bc028d5a6424 112 DnsMain();
andrewboyson 47:73af5c0b0dc2 113 NdpMain();
andrewboyson 2:849103b5a16d 114 return 0;
andrewboyson 2:849103b5a16d 115 }