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
udp/ntp.cpp@59:e0e556c8bd46, 2017-12-14 (annotated)
- Committer:
- andrewboyson
- Date:
- Thu Dec 14 20:55:40 2017 +0000
- Revision:
- 59:e0e556c8bd46
- Parent:
- 50:492f2d2954e4
Added buffer length to help avoid over runs
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
andrewboyson | 37:793b39683406 | 1 | #include "mbed.h" |
andrewboyson | 37:793b39683406 | 2 | #include "log.h" |
andrewboyson | 37:793b39683406 | 3 | #include "net.h" |
andrewboyson | 37:793b39683406 | 4 | #include "action.h" |
andrewboyson | 49:1a6336f2b3f9 | 5 | #include "ip6addr.h" |
andrewboyson | 37:793b39683406 | 6 | #include "udp.h" |
andrewboyson | 48:952dddb74b8b | 7 | #include "ar4.h" |
andrewboyson | 48:952dddb74b8b | 8 | #include "ar6.h" |
andrewboyson | 37:793b39683406 | 9 | #include "arp.h" |
andrewboyson | 37:793b39683406 | 10 | #include "io.h" |
andrewboyson | 37:793b39683406 | 11 | #include "eth.h" |
andrewboyson | 50:492f2d2954e4 | 12 | #include "nr4.h" |
andrewboyson | 50:492f2d2954e4 | 13 | #include "nr6.h" |
andrewboyson | 37:793b39683406 | 14 | #include "dns.h" |
andrewboyson | 37:793b39683406 | 15 | #include "mac.h" |
andrewboyson | 22:914b970356f0 | 16 | |
andrewboyson | 37:793b39683406 | 17 | bool NtpTrace = false; |
andrewboyson | 0:faa09bd4e6bf | 18 | |
andrewboyson | 0:faa09bd4e6bf | 19 | #define CLIENT 3 |
andrewboyson | 0:faa09bd4e6bf | 20 | #define SERVER 4 |
andrewboyson | 0:faa09bd4e6bf | 21 | |
andrewboyson | 22:914b970356f0 | 22 | uint64_t (*NtpGetClockNowFunction) (); |
andrewboyson | 22:914b970356f0 | 23 | |
andrewboyson | 22:914b970356f0 | 24 | bool NtpServerEnable = false; |
andrewboyson | 22:914b970356f0 | 25 | uint64_t (*NtpGetClockRefFunction) (); |
andrewboyson | 22:914b970356f0 | 26 | int (*NtpGetClockStratumFunction)(); |
andrewboyson | 22:914b970356f0 | 27 | char * (*NtpGetClockIdentFunction) (); |
andrewboyson | 22:914b970356f0 | 28 | |
andrewboyson | 36:900e24b27bfb | 29 | uint32_t NtpServerIp4; |
andrewboyson | 36:900e24b27bfb | 30 | char NtpServerIp6[16]; |
andrewboyson | 22:914b970356f0 | 31 | bool NtpClientRequest = false; |
andrewboyson | 35:93c39d260a83 | 32 | char NtpServerName[DNS_MAX_LABEL_LENGTH+1]; |
andrewboyson | 35:93c39d260a83 | 33 | void (*NtpSetClockFunction) (uint64_t ori, uint64_t rec); |
andrewboyson | 35:93c39d260a83 | 34 | |
andrewboyson | 0:faa09bd4e6bf | 35 | __packed struct header { |
andrewboyson | 0:faa09bd4e6bf | 36 | unsigned Mode : 3; |
andrewboyson | 0:faa09bd4e6bf | 37 | unsigned VN : 3; |
andrewboyson | 0:faa09bd4e6bf | 38 | unsigned LI : 2; |
andrewboyson | 0:faa09bd4e6bf | 39 | uint8_t Stratum; |
andrewboyson | 0:faa09bd4e6bf | 40 | int8_t Poll; |
andrewboyson | 0:faa09bd4e6bf | 41 | int8_t Precision; |
andrewboyson | 0:faa09bd4e6bf | 42 | uint32_t RootDelay; |
andrewboyson | 0:faa09bd4e6bf | 43 | uint32_t Dispersion; |
andrewboyson | 0:faa09bd4e6bf | 44 | char RefIdentifier[4]; |
andrewboyson | 0:faa09bd4e6bf | 45 | |
andrewboyson | 0:faa09bd4e6bf | 46 | uint64_t RefTimeStamp; |
andrewboyson | 0:faa09bd4e6bf | 47 | uint64_t OriTimeStamp; |
andrewboyson | 0:faa09bd4e6bf | 48 | uint64_t RecTimeStamp; |
andrewboyson | 0:faa09bd4e6bf | 49 | uint64_t TraTimeStamp; |
andrewboyson | 0:faa09bd4e6bf | 50 | }; |
andrewboyson | 37:793b39683406 | 51 | static void logHeader(struct header* pHeader) |
andrewboyson | 37:793b39683406 | 52 | { |
andrewboyson | 43:bc028d5a6424 | 53 | if (NetTraceVerbose) |
andrewboyson | 43:bc028d5a6424 | 54 | { |
andrewboyson | 43:bc028d5a6424 | 55 | Log ("NTP header\r\n"); |
andrewboyson | 43:bc028d5a6424 | 56 | LogF(" Mode %d", pHeader->Mode); |
andrewboyson | 43:bc028d5a6424 | 57 | LogF(", Version %d", pHeader->VN); |
andrewboyson | 43:bc028d5a6424 | 58 | LogF(", LI %d", pHeader->LI); |
andrewboyson | 43:bc028d5a6424 | 59 | LogF(", Stratum %d", pHeader->Stratum); |
andrewboyson | 43:bc028d5a6424 | 60 | LogF(", Poll %d", pHeader->Poll); |
andrewboyson | 43:bc028d5a6424 | 61 | LogF(", Precision %d", pHeader->Precision); |
andrewboyson | 43:bc028d5a6424 | 62 | LogF(", Root delay %d", NetToHost32(pHeader->RootDelay)); |
andrewboyson | 43:bc028d5a6424 | 63 | LogF(", Dispersion %d", NetToHost32(pHeader->Dispersion)); |
andrewboyson | 43:bc028d5a6424 | 64 | Log (", Ident "); |
andrewboyson | 43:bc028d5a6424 | 65 | for (int i = 0; i < 4; i++) if (pHeader->RefIdentifier[i]) LogPush(pHeader->RefIdentifier[i]); |
andrewboyson | 43:bc028d5a6424 | 66 | Log ("\r\n"); |
andrewboyson | 43:bc028d5a6424 | 67 | LogF(" REF %llu\r\n", NetToHost64(pHeader->RefTimeStamp)); |
andrewboyson | 43:bc028d5a6424 | 68 | LogF(" ORI %llu\r\n", NetToHost64(pHeader->OriTimeStamp)); |
andrewboyson | 43:bc028d5a6424 | 69 | LogF(" REC %llu\r\n", NetToHost64(pHeader->RecTimeStamp)); |
andrewboyson | 43:bc028d5a6424 | 70 | LogF(" TRA %llu\r\n", NetToHost64(pHeader->TraTimeStamp)); |
andrewboyson | 43:bc028d5a6424 | 71 | } |
andrewboyson | 43:bc028d5a6424 | 72 | else |
andrewboyson | 43:bc028d5a6424 | 73 | { |
andrewboyson | 43:bc028d5a6424 | 74 | Log ("NTP header"); |
andrewboyson | 43:bc028d5a6424 | 75 | LogF(": Mode %d", pHeader->Mode); |
andrewboyson | 43:bc028d5a6424 | 76 | LogF(", Version %d", pHeader->VN); |
andrewboyson | 43:bc028d5a6424 | 77 | LogF(", LI %d", pHeader->LI); |
andrewboyson | 43:bc028d5a6424 | 78 | LogF(", Stratum %d", pHeader->Stratum); |
andrewboyson | 43:bc028d5a6424 | 79 | LogF(", Poll %d", pHeader->Poll); |
andrewboyson | 43:bc028d5a6424 | 80 | LogF(", Precision %d", pHeader->Precision); |
andrewboyson | 43:bc028d5a6424 | 81 | LogF(", Root delay %d", NetToHost32(pHeader->RootDelay)); |
andrewboyson | 43:bc028d5a6424 | 82 | LogF(", Dispersion %d", NetToHost32(pHeader->Dispersion)); |
andrewboyson | 43:bc028d5a6424 | 83 | Log (", Ident "); |
andrewboyson | 43:bc028d5a6424 | 84 | for (int i = 0; i < 4; i++) if (pHeader->RefIdentifier[i]) LogPush(pHeader->RefIdentifier[i]); |
andrewboyson | 43:bc028d5a6424 | 85 | Log ("\r\n"); |
andrewboyson | 43:bc028d5a6424 | 86 | } |
andrewboyson | 37:793b39683406 | 87 | } |
andrewboyson | 59:e0e556c8bd46 | 88 | static int handleRequest(struct header* pHeaderRx, struct header* pHeaderTx) |
andrewboyson | 0:faa09bd4e6bf | 89 | { |
andrewboyson | 22:914b970356f0 | 90 | if (!NtpServerEnable) return DO_NOTHING; |
andrewboyson | 17:e475ab861365 | 91 | |
andrewboyson | 17:e475ab861365 | 92 | if (!NtpGetClockRefFunction || !NtpGetClockNowFunction || !NtpGetClockStratumFunction || !NtpGetClockIdentFunction) |
andrewboyson | 17:e475ab861365 | 93 | { |
andrewboyson | 17:e475ab861365 | 94 | LogTimeF("NtpHandleRequest - NTP server is enabled but has not been plumbed into a clock\r\n"); |
andrewboyson | 17:e475ab861365 | 95 | return DO_NOTHING; |
andrewboyson | 17:e475ab861365 | 96 | } |
andrewboyson | 22:914b970356f0 | 97 | |
andrewboyson | 20:23f2b29b48ea | 98 | uint64_t refNtp = NtpGetClockRefFunction(); |
andrewboyson | 20:23f2b29b48ea | 99 | uint64_t nowNtp = NtpGetClockNowFunction(); |
andrewboyson | 20:23f2b29b48ea | 100 | int stratum = NtpGetClockStratumFunction(); |
andrewboyson | 20:23f2b29b48ea | 101 | char* ident = NtpGetClockIdentFunction(); |
andrewboyson | 22:914b970356f0 | 102 | |
andrewboyson | 59:e0e556c8bd46 | 103 | pHeaderTx->Mode = SERVER; |
andrewboyson | 59:e0e556c8bd46 | 104 | pHeaderTx->LI = 0; |
andrewboyson | 59:e0e556c8bd46 | 105 | pHeaderTx->Stratum = stratum; |
andrewboyson | 59:e0e556c8bd46 | 106 | pHeaderTx->Poll = 0; |
andrewboyson | 59:e0e556c8bd46 | 107 | pHeaderTx->Precision = 0; |
andrewboyson | 59:e0e556c8bd46 | 108 | pHeaderTx->RootDelay = 0; |
andrewboyson | 59:e0e556c8bd46 | 109 | pHeaderTx->Dispersion = 0; |
andrewboyson | 59:e0e556c8bd46 | 110 | pHeaderTx->RefIdentifier[0] = ident[0]; //For stratum 1 (reference clock), this is a four-octet, left-justified, zero-padded ASCII string. |
andrewboyson | 59:e0e556c8bd46 | 111 | pHeaderTx->RefIdentifier[1] = ident[1]; |
andrewboyson | 59:e0e556c8bd46 | 112 | pHeaderTx->RefIdentifier[2] = ident[2]; |
andrewboyson | 59:e0e556c8bd46 | 113 | pHeaderTx->RefIdentifier[3] = ident[3]; |
andrewboyson | 59:e0e556c8bd46 | 114 | pHeaderTx->RefTimeStamp = NetToHost64(refNtp); |
andrewboyson | 59:e0e556c8bd46 | 115 | pHeaderTx->OriTimeStamp = pHeaderRx->TraTimeStamp; |
andrewboyson | 59:e0e556c8bd46 | 116 | pHeaderTx->RecTimeStamp = NetToHost64(nowNtp); |
andrewboyson | 59:e0e556c8bd46 | 117 | pHeaderTx->TraTimeStamp = NetToHost64(nowNtp); |
andrewboyson | 22:914b970356f0 | 118 | return UNICAST; |
andrewboyson | 22:914b970356f0 | 119 | } |
andrewboyson | 37:793b39683406 | 120 | static void (*pTraceBack)(void); |
andrewboyson | 59:e0e556c8bd46 | 121 | static void handleReply(struct header* pHeader) |
andrewboyson | 22:914b970356f0 | 122 | { |
andrewboyson | 22:914b970356f0 | 123 | if (!NtpGetClockNowFunction || !NtpSetClockFunction) |
andrewboyson | 22:914b970356f0 | 124 | { |
andrewboyson | 22:914b970356f0 | 125 | LogTimeF("Ntp reply has been received but NTP has not been plumbed into a clock\r\n"); |
andrewboyson | 59:e0e556c8bd46 | 126 | return; |
andrewboyson | 22:914b970356f0 | 127 | } |
andrewboyson | 37:793b39683406 | 128 | if (NtpTrace) |
andrewboyson | 22:914b970356f0 | 129 | { |
andrewboyson | 43:bc028d5a6424 | 130 | if (NetTraceNewLine) Log("\r\n"); |
andrewboyson | 22:914b970356f0 | 131 | LogTimeF("NTP received reply\r\n"); |
andrewboyson | 43:bc028d5a6424 | 132 | if (NetTraceStack) pTraceBack(); |
andrewboyson | 37:793b39683406 | 133 | logHeader(pHeader); |
andrewboyson | 22:914b970356f0 | 134 | } |
andrewboyson | 37:793b39683406 | 135 | |
andrewboyson | 22:914b970356f0 | 136 | uint64_t ori = NetToHost64(pHeader->OriTimeStamp); |
andrewboyson | 22:914b970356f0 | 137 | uint64_t rec = NetToHost64(pHeader->RecTimeStamp); |
andrewboyson | 22:914b970356f0 | 138 | |
andrewboyson | 22:914b970356f0 | 139 | NtpSetClockFunction(ori, rec); |
andrewboyson | 22:914b970356f0 | 140 | } |
andrewboyson | 59:e0e556c8bd46 | 141 | int NtpHandlePacketReceived(void (*traceback)(void), int sizeRx, void * pPacketRx, int* pSizeTx, void* pPacketTx) |
andrewboyson | 22:914b970356f0 | 142 | { |
andrewboyson | 37:793b39683406 | 143 | pTraceBack = traceback; |
andrewboyson | 37:793b39683406 | 144 | |
andrewboyson | 59:e0e556c8bd46 | 145 | if (sizeRx != sizeof(header)) |
andrewboyson | 22:914b970356f0 | 146 | { |
andrewboyson | 59:e0e556c8bd46 | 147 | LogTimeF("\r\nNTP packet wrong size %d\r\n", sizeRx); |
andrewboyson | 22:914b970356f0 | 148 | return DO_NOTHING; |
andrewboyson | 22:914b970356f0 | 149 | } |
andrewboyson | 59:e0e556c8bd46 | 150 | struct header* pHeaderRx = (struct header*)pPacketRx; |
andrewboyson | 59:e0e556c8bd46 | 151 | struct header* pHeaderTx = (struct header*)pPacketTx; |
andrewboyson | 17:e475ab861365 | 152 | |
andrewboyson | 59:e0e556c8bd46 | 153 | int dest = DO_NOTHING; |
andrewboyson | 59:e0e556c8bd46 | 154 | switch (pHeaderRx->Mode) |
andrewboyson | 0:faa09bd4e6bf | 155 | { |
andrewboyson | 59:e0e556c8bd46 | 156 | case CLIENT: dest = handleRequest(pHeaderRx, pHeaderTx); break; |
andrewboyson | 59:e0e556c8bd46 | 157 | case SERVER: handleReply (pHeaderRx); return DO_NOTHING; |
andrewboyson | 0:faa09bd4e6bf | 158 | default: |
andrewboyson | 59:e0e556c8bd46 | 159 | LogTimeF("\r\nNTP packet unknown mode %d\r\n", pHeaderRx->Mode); |
andrewboyson | 22:914b970356f0 | 160 | return DO_NOTHING; |
andrewboyson | 0:faa09bd4e6bf | 161 | } |
andrewboyson | 59:e0e556c8bd46 | 162 | |
andrewboyson | 59:e0e556c8bd46 | 163 | if (dest == DO_NOTHING) return DO_NOTHING; |
andrewboyson | 59:e0e556c8bd46 | 164 | *pSizeTx = sizeof(header); |
andrewboyson | 59:e0e556c8bd46 | 165 | |
andrewboyson | 59:e0e556c8bd46 | 166 | return ActionMakeFromDestAndTrace(dest, NtpTrace && NetTraceStack); |
andrewboyson | 22:914b970356f0 | 167 | } |
andrewboyson | 22:914b970356f0 | 168 | static int sendRequest(void* pPacket, int* pSize) |
andrewboyson | 22:914b970356f0 | 169 | { |
andrewboyson | 22:914b970356f0 | 170 | struct header* pHeader = (struct header*)pPacket; |
andrewboyson | 22:914b970356f0 | 171 | |
andrewboyson | 59:e0e556c8bd46 | 172 | pHeader->Mode = CLIENT; |
andrewboyson | 59:e0e556c8bd46 | 173 | pHeader->VN = 3; |
andrewboyson | 59:e0e556c8bd46 | 174 | pHeader->LI = 0; |
andrewboyson | 59:e0e556c8bd46 | 175 | pHeader->Stratum = 0; |
andrewboyson | 59:e0e556c8bd46 | 176 | pHeader->Poll = 0; |
andrewboyson | 59:e0e556c8bd46 | 177 | pHeader->Precision = 0; |
andrewboyson | 59:e0e556c8bd46 | 178 | pHeader->RootDelay = 0; |
andrewboyson | 59:e0e556c8bd46 | 179 | pHeader->Dispersion = 0; |
andrewboyson | 22:914b970356f0 | 180 | pHeader->RefIdentifier[0] = 0; |
andrewboyson | 22:914b970356f0 | 181 | pHeader->RefIdentifier[1] = 0; |
andrewboyson | 22:914b970356f0 | 182 | pHeader->RefIdentifier[2] = 0; |
andrewboyson | 22:914b970356f0 | 183 | pHeader->RefIdentifier[3] = 0; |
andrewboyson | 59:e0e556c8bd46 | 184 | pHeader->RefTimeStamp = 0; |
andrewboyson | 59:e0e556c8bd46 | 185 | pHeader->OriTimeStamp = 0; |
andrewboyson | 59:e0e556c8bd46 | 186 | pHeader->RecTimeStamp = 0; |
andrewboyson | 59:e0e556c8bd46 | 187 | pHeader->TraTimeStamp = NetToHost64(NtpGetClockNowFunction()); |
andrewboyson | 59:e0e556c8bd46 | 188 | |
andrewboyson | 59:e0e556c8bd46 | 189 | *pSize = sizeof(header); |
andrewboyson | 22:914b970356f0 | 190 | |
andrewboyson | 22:914b970356f0 | 191 | return UNICAST_NTP; |
andrewboyson | 0:faa09bd4e6bf | 192 | } |
andrewboyson | 36:900e24b27bfb | 193 | static bool resolve4(char* server, uint32_t* pIp) |
andrewboyson | 36:900e24b27bfb | 194 | { |
andrewboyson | 36:900e24b27bfb | 195 | //Check if have IP, if not, then request it and stop |
andrewboyson | 50:492f2d2954e4 | 196 | Nr4NameToIp(server, pIp); |
andrewboyson | 36:900e24b27bfb | 197 | if (!*pIp) |
andrewboyson | 36:900e24b27bfb | 198 | { |
andrewboyson | 50:492f2d2954e4 | 199 | Nr4MakeRequestForIpFromName(server); //The request is only repeated if made after a freeze time - call as often as you want. |
andrewboyson | 36:900e24b27bfb | 200 | return false; |
andrewboyson | 36:900e24b27bfb | 201 | } |
andrewboyson | 35:93c39d260a83 | 202 | |
andrewboyson | 36:900e24b27bfb | 203 | //Check if have MAC and, if not, request it and stop |
andrewboyson | 36:900e24b27bfb | 204 | char mac[6]; |
andrewboyson | 48:952dddb74b8b | 205 | Ar4IpToMac(*pIp, mac); |
andrewboyson | 36:900e24b27bfb | 206 | if (MacIsEmpty(mac)) |
andrewboyson | 36:900e24b27bfb | 207 | { |
andrewboyson | 48:952dddb74b8b | 208 | Ar4MakeRequestForMacFromIp(*pIp); //The request is only repeated if made after a freeze time - call as often as you want. |
andrewboyson | 36:900e24b27bfb | 209 | return false; |
andrewboyson | 36:900e24b27bfb | 210 | } |
andrewboyson | 36:900e24b27bfb | 211 | |
andrewboyson | 36:900e24b27bfb | 212 | return true; |
andrewboyson | 36:900e24b27bfb | 213 | } |
andrewboyson | 36:900e24b27bfb | 214 | static bool resolve6(char* server, char* ip) |
andrewboyson | 36:900e24b27bfb | 215 | { |
andrewboyson | 36:900e24b27bfb | 216 | //Check if have IP, if not, then request it and stop |
andrewboyson | 50:492f2d2954e4 | 217 | Nr6NameToIp(server, ip); |
andrewboyson | 49:1a6336f2b3f9 | 218 | if (Ip6AddressIsEmpty(ip)) |
andrewboyson | 36:900e24b27bfb | 219 | { |
andrewboyson | 50:492f2d2954e4 | 220 | Nr6MakeRequestForIpFromName(server); //The request is only repeated if made after a freeze time - call as often as you want. |
andrewboyson | 36:900e24b27bfb | 221 | return false; |
andrewboyson | 36:900e24b27bfb | 222 | } |
andrewboyson | 36:900e24b27bfb | 223 | |
andrewboyson | 36:900e24b27bfb | 224 | //Check if have MAC and, if not, request it and stop |
andrewboyson | 36:900e24b27bfb | 225 | char mac[6]; |
andrewboyson | 48:952dddb74b8b | 226 | Ar6IpToMac(ip, mac); |
andrewboyson | 36:900e24b27bfb | 227 | if (MacIsEmpty(mac)) |
andrewboyson | 36:900e24b27bfb | 228 | { |
andrewboyson | 48:952dddb74b8b | 229 | Ar6MakeRequestForMacFromIp(ip); //The request is only repeated if made after a freeze time - call as often as you want. |
andrewboyson | 36:900e24b27bfb | 230 | return false; |
andrewboyson | 36:900e24b27bfb | 231 | } |
andrewboyson | 36:900e24b27bfb | 232 | |
andrewboyson | 36:900e24b27bfb | 233 | return true; |
andrewboyson | 36:900e24b27bfb | 234 | } |
andrewboyson | 22:914b970356f0 | 235 | int NtpPollForPacketToSend(int type, void* pPacket, int* pSize) |
andrewboyson | 22:914b970356f0 | 236 | { |
andrewboyson | 22:914b970356f0 | 237 | if (!NtpClientRequest) return DO_NOTHING; //Wait until a request for time is made |
andrewboyson | 22:914b970356f0 | 238 | |
andrewboyson | 35:93c39d260a83 | 239 | if (!NtpServerName[0]) |
andrewboyson | 35:93c39d260a83 | 240 | { |
andrewboyson | 35:93c39d260a83 | 241 | LogTimeF("NtpPollForRequestToSend - A request to send a client message has been made but no server name has been specified\r\n"); |
andrewboyson | 35:93c39d260a83 | 242 | NtpClientRequest = false; |
andrewboyson | 35:93c39d260a83 | 243 | return DO_NOTHING; |
andrewboyson | 35:93c39d260a83 | 244 | } |
andrewboyson | 35:93c39d260a83 | 245 | |
andrewboyson | 35:93c39d260a83 | 246 | if (!NtpGetClockNowFunction || !NtpSetClockFunction) |
andrewboyson | 22:914b970356f0 | 247 | { |
andrewboyson | 22:914b970356f0 | 248 | LogTimeF("NtpPollForRequestToSend - A request to send a client message has been made but NTP has not been plumbed into a clock\r\n"); |
andrewboyson | 22:914b970356f0 | 249 | NtpClientRequest = false; |
andrewboyson | 22:914b970356f0 | 250 | return DO_NOTHING; |
andrewboyson | 22:914b970356f0 | 251 | } |
andrewboyson | 42:222a4f45f916 | 252 | |
andrewboyson | 42:222a4f45f916 | 253 | if (type == IPV4) |
andrewboyson | 42:222a4f45f916 | 254 | { |
andrewboyson | 42:222a4f45f916 | 255 | if (!resolve4(NtpServerName, &NtpServerIp4)) return DO_NOTHING; |
andrewboyson | 42:222a4f45f916 | 256 | } |
andrewboyson | 42:222a4f45f916 | 257 | else if (type == IPV6) |
andrewboyson | 42:222a4f45f916 | 258 | { |
andrewboyson | 42:222a4f45f916 | 259 | if (!resolve6(NtpServerName, NtpServerIp6)) return DO_NOTHING; |
andrewboyson | 42:222a4f45f916 | 260 | } |
andrewboyson | 42:222a4f45f916 | 261 | else |
andrewboyson | 42:222a4f45f916 | 262 | { |
andrewboyson | 42:222a4f45f916 | 263 | return DO_NOTHING; |
andrewboyson | 42:222a4f45f916 | 264 | } |
andrewboyson | 35:93c39d260a83 | 265 | |
andrewboyson | 35:93c39d260a83 | 266 | //Have IP and MAC so send request |
andrewboyson | 42:222a4f45f916 | 267 | NtpClientRequest = false; |
andrewboyson | 42:222a4f45f916 | 268 | int dest = sendRequest(pPacket, pSize); |
andrewboyson | 42:222a4f45f916 | 269 | if (NtpTrace) |
andrewboyson | 37:793b39683406 | 270 | { |
andrewboyson | 43:bc028d5a6424 | 271 | if (NetTraceNewLine) Log("\r\n"); |
andrewboyson | 37:793b39683406 | 272 | LogTimeF("Sending NTP request\r\n"); |
andrewboyson | 42:222a4f45f916 | 273 | logHeader((struct header*)pPacket); |
andrewboyson | 37:793b39683406 | 274 | } |
andrewboyson | 43:bc028d5a6424 | 275 | return ActionMakeFromDestAndTrace(dest, NtpTrace && NetTraceStack); |
andrewboyson | 22:914b970356f0 | 276 | } |
andrewboyson | 22:914b970356f0 | 277 |