66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/**
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* \file
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* Resource for gmtime (utc) / localtime handling
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*
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* \brief get time as a string in utc or localtime
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "time.h"
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#include "time_resource.h"
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#include "jsonparse.h"
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#include "er-coap.h"
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#include "generic_resource.h"
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size_t time_to_string (const char *name, uint8_t is_json, char *buf, size_t bs)
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{
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struct timeval tv;
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struct tm tm;
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struct tm *(*method)(const time_t *, struct tm *) = gmtime_r;
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if (0 == strcmp (name, "localtime")) {
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method = localtime_r;
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}
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gettimeofday (&tv, NULL);
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method (&tv.tv_sec, &tm);
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return snprintf
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( buf
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, bs
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, "%s%lu-%02u-%02u %02u:%02u:%02u%s"
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, is_json ? "\"" : ""
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, 1900 + tm.tm_year
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, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec
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, is_json ? "\"" : ""
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);
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}
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GENERIC_RESOURCE \
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( localtime
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, METHOD_GET
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, "clock/localtime"
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, Local time
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, formatted time
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, NULL
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, time_to_string
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);
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GENERIC_RESOURCE \
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( utc
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, METHOD_GET
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, "clock/utc"
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, UTC
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, formatted time
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, NULL
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, time_to_string
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);
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/*
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* VI settings, see coding style
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* ex:ts=8:et:sw=2
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*/
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