sergiotarxz/nuttx-apps
sergiotarxz/nuttx-apps
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

netutils/ntpclient: add more features

Browse Source 
Allow multiple NTP servers, also with runtime configurable list
Add validation of received NTP packets
NTPv4 support with 'Kiss o' Death' message handling
IPv6 support
Collect multiple NTP samples and filter outsiders
Check if system clock has been altered during NTP (if CONFIG_CLOCK_MONOTONIC)

Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
This commit is contained in:
Juha Niskanen 2021-01-21 18:04:41 +02:00 committed by Xiang Xiao
parent faaec6513c
commit 3b21cd9ceb
4 changed files with 1249 additions and 259 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/netutils/ntpclient.h
View File

@ -92,6 +92,30 @@ extern "C"
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: ntpc_dualstack_family()
*
* Description:
* Set the protocol family used (AF_INET, AF_INET6 or AF_UNSPEC)
*
****************************************************************************/
void ntpc_dualstack_family(int family);
/****************************************************************************
* Name: ntpc_start_with_list
*
* Description:
* Start the NTP daemon
*
* Returned Value:
* On success, the non-negative task ID of the NTPC daemon is returned;
* On failure, a negated errno value is returned.
*
****************************************************************************/
int ntpc_start_with_list(FAR const char *ntp_server_list);
/****************************************************************************
* Name: ntpc_start
*

23
netutils/ntpclient/Kconfig
View File

@ -13,14 +13,25 @@ config NETUTILS_NTPCLIENT
if NETUTILS_NTPCLIENT
config NETUTILS_NTPCLIENT_SERVER
string "NTP server URL (or IP address)"
default "pool.ntp.org"
string "NTP server hostnames"
default "0.pool.ntp.org;1.pool.ntp.org;2.pool.ntp.org"
depends on LIBC_NETDB
---help---
List of NTP server hostnames to use. Server names need to
be separated by ';'.
config NETUTILS_NTPCLIENT_SERVERIP
hex "NTP server IP address"
default 0x0a000001
depends on !LIBC_NETDB
---help---
Warning: this is deprecated option. Suitable only for testing.
Never use this in real NuttX products!
Use of hardcoded IP address for NTP server is known bad
practice:
https://en.wikipedia.org/wiki/NTP_server_misuse_and_abuse
config NETUTILS_NTPCLIENT_PORTNO
int "NTP server port number"
@ -38,6 +49,14 @@ config NETUTILS_NTPCLIENT_POLLDELAYSEC
int "NTP client poll interval (seconds)"
default 60
config NETUTILS_NTPCLIENT_RETRIES
int "NTP client retry seconds to wait for network up"
default 60
config NETUTILS_NTPCLIENT_NUM_SAMPLES
int "NTP client number of samples collected for filter"
default 5
config NETUTILS_NTPCLIENT_SIGWAKEUP
int "NTP client wakeup signal number"
default 18

1454
netutils/ntpclient/ntpclient.c
View File

File diff suppressed because it is too large Load Diff

7
netutils/ntpclient/ntpv3.h
View File

@ -197,13 +197,18 @@ struct ntp_datagram_s
uint8_t origtimestamp[8]; /* Originate Timestamp */
uint8_t recvtimestamp[8]; /* Receive Timestamp */
uint8_t xmittimestamp[8]; /* Transmit Timestamp */
};
#ifdef CONFIG_NETUTILS_NTPCLIENT_WITH_AUTH
struct ntp_datagram_with_key_s
{
struct ntp_datagram_s header;
uint8_t keyid[4]; /* Authenticator data */
uint8_t digest1[4];
uint8_t digest2[4];
uint8_t digest3[4];
uint8_t digest4[4];
#endif
};
#endif
#endif /* __APPS_NETUTILS_NTPCLIENT_NTPV3_H */