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@44:83ce5ace337b, 2017-10-22 (annotated)

Committer:
andrewboyson
Date:
Sun Oct 22 17:19:17 2017 +0000
Revision:
44:83ce5ace337b
Parent:
43:bc028d5a6424
Child:
46:40d33e9037e4
Fixed DnsServer

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 9:91dae5300a4d 6 #include "ar.h"
andrewboyson 35:93c39d260a83 7 #include "nr.h"
andrewboyson 7:b794780e33b4 8 #include "dns.h"
andrewboyson 7:b794780e33b4 9 #include "slaac.h"
andrewboyson 29:39277bf2003d 10 #include "ra.h"
andrewboyson 22:914b970356f0 11 #include "ntp.h"
andrewboyson 22:914b970356f0 12 #include "io.h"
andrewboyson 2:849103b5a16d 13
andrewboyson 37:793b39683406 14
andrewboyson 43:bc028d5a6424 15 bool NetTraceStack = false;
andrewboyson 43:bc028d5a6424 16 bool NetTraceNewLine = false;
andrewboyson 43:bc028d5a6424 17 bool NetTraceVerbose = false;
andrewboyson 42:222a4f45f916 18 bool NetPreferIp4Polled = false;
andrewboyson 42:222a4f45f916 19
andrewboyson 44:83ce5ace337b 20 char* NetName4;
andrewboyson 44:83ce5ace337b 21 char* NetName6;
andrewboyson 10:f0854784e960 22
andrewboyson 0:faa09bd4e6bf 23 int16_t NetToHost16(int16_t n)
andrewboyson 0:faa09bd4e6bf 24 {
andrewboyson 0:faa09bd4e6bf 25 int16_t h;
andrewboyson 0:faa09bd4e6bf 26
andrewboyson 0:faa09bd4e6bf 27 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 28 char* ph = (char*)&h + 1;
andrewboyson 0:faa09bd4e6bf 29
andrewboyson 0:faa09bd4e6bf 30 *ph = *pn; ph--; pn++; // 1<-0
andrewboyson 0:faa09bd4e6bf 31 *ph = *pn; // 0<-1
andrewboyson 0:faa09bd4e6bf 32
andrewboyson 0:faa09bd4e6bf 33 return h;
andrewboyson 0:faa09bd4e6bf 34 }
andrewboyson 0:faa09bd4e6bf 35
andrewboyson 0:faa09bd4e6bf 36 int32_t NetToHost32(int32_t n)
andrewboyson 0:faa09bd4e6bf 37 {
andrewboyson 0:faa09bd4e6bf 38 int32_t h;
andrewboyson 0:faa09bd4e6bf 39
andrewboyson 0:faa09bd4e6bf 40 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 41 char* ph = (char*)&h + 3;
andrewboyson 0:faa09bd4e6bf 42
andrewboyson 0:faa09bd4e6bf 43 *ph = *pn; ph--; pn++; // 3<-0
andrewboyson 0:faa09bd4e6bf 44 *ph = *pn; ph--; pn++; // 2<-1
andrewboyson 0:faa09bd4e6bf 45 *ph = *pn; ph--; pn++; // 1<-2
andrewboyson 0:faa09bd4e6bf 46 *ph = *pn; // 0<-3
andrewboyson 0:faa09bd4e6bf 47
andrewboyson 0:faa09bd4e6bf 48 return h;
andrewboyson 0:faa09bd4e6bf 49 }
andrewboyson 0:faa09bd4e6bf 50 int64_t NetToHost64(int64_t n)
andrewboyson 0:faa09bd4e6bf 51 {
andrewboyson 0:faa09bd4e6bf 52 int64_t h;
andrewboyson 0:faa09bd4e6bf 53
andrewboyson 0:faa09bd4e6bf 54 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 55 char* ph = (char*)&h + 7;
andrewboyson 0:faa09bd4e6bf 56
andrewboyson 0:faa09bd4e6bf 57 *ph = *pn; ph--; pn++; // 7<-0
andrewboyson 0:faa09bd4e6bf 58 *ph = *pn; ph--; pn++; // 6<-1
andrewboyson 0:faa09bd4e6bf 59 *ph = *pn; ph--; pn++; // 5<-2
andrewboyson 0:faa09bd4e6bf 60 *ph = *pn; ph--; pn++; // 4<-3
andrewboyson 0:faa09bd4e6bf 61 *ph = *pn; ph--; pn++; // 3<-4
andrewboyson 0:faa09bd4e6bf 62 *ph = *pn; ph--; pn++; // 2<-5
andrewboyson 0:faa09bd4e6bf 63 *ph = *pn; ph--; pn++; // 1<-6
andrewboyson 0:faa09bd4e6bf 64 *ph = *pn; // 0<-7
andrewboyson 0:faa09bd4e6bf 65
andrewboyson 0:faa09bd4e6bf 66 return h;
andrewboyson 0:faa09bd4e6bf 67 }
andrewboyson 0:faa09bd4e6bf 68 uint16_t onesComplement(uint16_t start, int count, void* pData)
andrewboyson 0:faa09bd4e6bf 69 {
andrewboyson 0:faa09bd4e6bf 70 uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum
andrewboyson 0:faa09bd4e6bf 71 uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data
andrewboyson 0:faa09bd4e6bf 72
andrewboyson 0:faa09bd4e6bf 73 while(count > 1)
andrewboyson 0:faa09bd4e6bf 74 {
andrewboyson 0:faa09bd4e6bf 75 sum += *p++; // Add each pair of bytes into 32 bit accumulator
andrewboyson 0:faa09bd4e6bf 76 count -= 2;
andrewboyson 0:faa09bd4e6bf 77 }
andrewboyson 0:faa09bd4e6bf 78 if(count) sum += * (uint8_t*) p; // Add left-over byte, if any
andrewboyson 0:faa09bd4e6bf 79 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 80 return sum;
andrewboyson 0:faa09bd4e6bf 81 }
andrewboyson 0:faa09bd4e6bf 82 uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2)
andrewboyson 0:faa09bd4e6bf 83 {
andrewboyson 0:faa09bd4e6bf 84 uint16_t sum = onesComplement(0, count1, pData1);
andrewboyson 0:faa09bd4e6bf 85 return ~onesComplement(sum, count2, pData2);
andrewboyson 0:faa09bd4e6bf 86 }
andrewboyson 0:faa09bd4e6bf 87 uint16_t NetCheckSum(int count, void* pData)
andrewboyson 0:faa09bd4e6bf 88 {
andrewboyson 0:faa09bd4e6bf 89 return ~onesComplement(0, count, pData);
andrewboyson 0:faa09bd4e6bf 90 }
andrewboyson 2:849103b5a16d 91
andrewboyson 44:83ce5ace337b 92 int NetInit(char* name4, char* name6)
andrewboyson 2:849103b5a16d 93 {
andrewboyson 44:83ce5ace337b 94 NetName4 = name4;
andrewboyson 44:83ce5ace337b 95 NetName6 = name6;
andrewboyson 30:e34173b7585c 96 PhyInit();
andrewboyson 30:e34173b7585c 97 TcpInit();
andrewboyson 30:e34173b7585c 98 ArInit();
andrewboyson 35:93c39d260a83 99 NrInit();
andrewboyson 30:e34173b7585c 100 SlaacInit();
andrewboyson 2:849103b5a16d 101 return 0;
andrewboyson 2:849103b5a16d 102 }
andrewboyson 2:849103b5a16d 103 int NetMain()
andrewboyson 2:849103b5a16d 104 {
andrewboyson 35:93c39d260a83 105 PhyMain();
andrewboyson 35:93c39d260a83 106 ArMain();
andrewboyson 35:93c39d260a83 107 NrMain();
andrewboyson 43:bc028d5a6424 108 DhcpMain();
andrewboyson 43:bc028d5a6424 109 DnsMain();
andrewboyson 43:bc028d5a6424 110 RaMain();
andrewboyson 2:849103b5a16d 111 return 0;
andrewboyson 2:849103b5a16d 112 }