Shareef Jalloq / ntp-client

A port and bug fix of Alix955/code/ntp-client. The socket would hang as it was defined both with a timeout and as blocking.

NTPClient.h@2:a3aec199dc7c, 2019-05-26 (annotated)

Committer:
sjalloq
Date:
Sun May 26 08:46:35 2019 +0100
Revision:
2:a3aec199dc7c
Parent:
1:099750f42b02 
ntp-client : fork from Alix955/code/ntp-client



 - sockets should not be setup as blocking if you want to use a timeout. This

   resulted in the socket hanging when packets went missing.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Alix955 1:099750f42b02 1 #ifndef _NTPCLIENT_
Alix955 1:099750f42b02 2 #define _NTPCLIENT_
Alix955 0:3c1170035e2b 3
Alix955 1:099750f42b02 4 #include "mbed.h"
Alix955 1:099750f42b02 5 //use nslookup 2.pool.ntp.org in cmd to find ip address
Alix955 1:099750f42b02 6
sjalloq 2:a3aec199dc7c 7 #define NTP_DEFULT_NIST_SERVER_ADDRESS "0.pool.ntp.org"
Alix955 0:3c1170035e2b 8 #define NTP_DEFULT_NIST_SERVER_PORT 123
Alix955 0:3c1170035e2b 9
Alix955 0:3c1170035e2b 10 class NTPClient {
Alix955 0:3c1170035e2b 11 public:
Alix955 0:3c1170035e2b 12 NTPClient(NetworkInterface *iface);
Alix955 0:3c1170035e2b 13 void set_server(char* server, int port);
Alix955 1:099750f42b02 14 time_t get_timestamp(int timeout = 10000);
Alix955 0:3c1170035e2b 15
Alix955 0:3c1170035e2b 16 private:
Alix955 0:3c1170035e2b 17 NetworkInterface *iface;
Alix955 0:3c1170035e2b 18 char* nist_server_address;
Alix955 0:3c1170035e2b 19 int nist_server_port;
Alix955 0:3c1170035e2b 20
Alix955 0:3c1170035e2b 21 uint32_t ntohl(uint32_t num);
Alix955 1:099750f42b02 22 };
Alix955 1:099750f42b02 23
Alix955 1:099750f42b02 24 #endif