68 /* Handle support for more than one server via SNTP_MAX_SERVERS */
180 /** The currently used server (initialized to 0) */
196 /** Saves the last server address to compare with response */
201 /** Saves the last timestamp sent (which is sent back by the server)
237  * Initialize request struct to be sent to server.
292  * try the next server or retry the current server and increase the retry
293  * timeout if only one server is available.
315       LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_try_next_server: Sending request to server %"U16_F"\n",  in sntp_try_next_server()
317       /* new server: reset retry timeout */  in sntp_try_next_server()
319       /* instantly send a request to the next server */  in sntp_try_next_server()
324   /* no other valid server found */  in sntp_try_next_server()
329 /* Always retry on error if only one server is supported */
351   /* check server address and port */  in sntp_recv()
368           /* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */  in sntp_recv()
421         /* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */  in sntp_recv()
424         /* another error, try the same server again */  in sntp_recv()
431 /** Actually send an sntp request to a server.
433  * @param server_addr resolved IP address of the SNTP server
442     LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_send_request: Sending request to server\n"));  in sntp_send_request()
449     /* set up receive timeout: try next server or retry on timeout */  in sntp_send_request()
452     /* save server address to verify it in sntp_recv */  in sntp_send_request()
465  * DNS found callback when using DNS names as server address.
475     LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_dns_found: Server address resolved, sending request\n"));  in sntp_dns_found()
478     /* DNS resolving failed -> try another server */  in sntp_dns_found()
479 …_DEBUG_WARN_STATE, ("sntp_dns_found: Failed to resolve server address resolved, trying next server…  in sntp_dns_found()
498   /* initialize SNTP server address */  in sntp_request()
507       LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_request: Waiting for server address to be resolved.\n"));  in sntp_request()
520     LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_request: current server address is %s\n",  in sntp_request()
524     /* address conversion failed, try another server */  in sntp_request()
525 …LWIP_DEBUGF(SNTP_DEBUG_WARN_STATE, ("sntp_request: Invalid server address, trying next server.\n")…  in sntp_request()
616  * Config SNTP server handling by IP address, name, or DHCP; clear table
617  * @param set_servers_from_dhcp enable or disable getting server addresses from dhcp
633  * @param idx the index of the NTP server to set must be < SNTP_MAX_SERVERS
634  * @param server IP address of the NTP server to set
637 sntp_setserver(u8_t idx, const ip_addr_t *server)  in sntp_setserver()  argument
640     if (server != NULL) {  in sntp_setserver()
641       sntp_servers[idx].addr = (*server);  in sntp_setserver()
655  * @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS
656  * @param dnsserver IP address of the NTP server to set
659 dhcp_set_ntp_servers(u8_t num, const ip4_addr_t *server)  in dhcp_set_ntp_servers()  argument
661   LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp: %s %u.%u.%u.%u as NTP server #%u via DHCP\n",  in dhcp_set_ntp_servers()
663     ip4_addr1(server), ip4_addr2(server), ip4_addr3(server), ip4_addr4(server), num));  in dhcp_set_ntp_servers()
668       ip_addr_copy_from_ip4(addr, server[i]);  in dhcp_set_ntp_servers()
682  * @param idx the index of the NTP server
683  * @return IP address of the indexed NTP server or "ip_addr_any" if the NTP
684  *         server has not been configured by address (or at all).
699  * @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS
700  * @param dnsserver DNS name of the NTP server to set, to be resolved at contact time
703 sntp_setservername(u8_t idx, char *server)  in sntp_setservername()  argument
706     sntp_servers[idx].name = server;  in sntp_setservername()
713  * @param numdns the index of the NTP server
714  * @return IP address of the indexed NTP server or NULL if the NTP
715  *         server has not been configured by name (or at all)