Diff: TimeService.cpp

Revision:

22:4d895e732765

Parent:

21:6878944d2ce2

--- a/TimeService.cpp	Sat Jan 02 02:29:43 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,139 +0,0 @@
-#include "M2XStreamClient.h"
-
-static int fill_iso8601_timestamp(int32_t seconds, int32_t milli,
-                                  char* buffer, int* length);
-
-TimeService::TimeService(M2XStreamClient* client) : _client(client) {
-}
-
-int TimeService::init() {
-  _timer.start();
-  return reset();
-}
-
-int TimeService::reset() {
-  int32_t ts;
-  int status = _client->getTimestamp32(&ts);
-
-  if (m2x_status_is_success(status)) {
-    _server_timestamp = ts;
-    _local_last_milli = _timer.read_ms();
-  }
-
-  return status;
-}
-
-int TimeService::getTimestamp(char* buffer, int* length) {
-  uint32_t now = _timer.read_ms();
-  if (now < _local_last_milli) {
-    // In case of a timestamp overflow(happens once every 50 days on
-    // Arduino), we reset the server timestamp recorded.
-    int status = reset();
-    if (!m2x_status_is_success(status)) { return status; }
-    now = _timer.read_ms();
-  }
-  if (now < _local_last_milli) {
-    // We have already reseted the timestamp, so this cannot happen
-    // (an HTTP request can take longer than 50 days to finished? You
-    // must be kidding here). Something else must be wrong here
-    return E_TIMESTAMP_ERROR;
-  }
-  uint32_t diff = now - _local_last_milli;
-  _local_last_milli = now;
-  _server_timestamp += (int32_t) (diff / 1000); // Milliseconds to seconds
-  return fill_iso8601_timestamp(_server_timestamp, (int32_t) (diff % 1000),
-                                buffer, length);
-}
-
-#define SIZE_ISO_8601 25
-static inline bool is_leap_year(int16_t y) {
-  return ((1970 + y) > 0) &&
-      !((1970 + y) % 4) &&
-      (((1970 + y) % 100) || !((1970 + y) % 400));
-}
-static inline int32_t days_in_year(int16_t y) {
-  return is_leap_year(y) ? 366 : 365;
-}
-static const uint8_t MONTH_DAYS[]={31,28,31,30,31,30,31,31,30,31,30,31};
-
-static int fill_iso8601_timestamp(int32_t timestamp, int32_t milli,
-                                  char* buffer, int* length) {
-  int16_t year;
-  int8_t month, month_length;
-  int32_t day;
-  int8_t hour, minute, second;
-
-  if (*length < SIZE_ISO_8601) {
-    *length = SIZE_ISO_8601;
-    return E_BUFFER_TOO_SMALL;
-  }
-
-  second = timestamp % 60;
-  timestamp /= 60; // now it is minutes
-
-  minute = timestamp % 60;
-  timestamp /= 60; // now it is hours
-
-  hour = timestamp % 24;
-  timestamp /= 24; // now it is days
-
-  year = 0;
-  day = 0;
-  while ((day += days_in_year(year)) <= timestamp) {
-    year++;
-  }
-  day -= days_in_year(year);
-  timestamp -= day; // now it is days in this year, starting at 0
-
-  day = 0;
-  month_length = 0;
-  for (month = 0; month < 12; month++) {
-    if (month == 1) {
-      // February
-      month_length = is_leap_year(year) ? 29 : 28;
-    } else {
-      month_length = MONTH_DAYS[month];
-    }
-
-    if (timestamp >= month_length) {
-      timestamp -= month_length;
-    } else {
-      break;
-    }
-  }
-  year = 1970 + year;
-  month++; // offset by 1
-  day = timestamp + 1;
-
-  int i = 0, j = 0;
-
-  // NOTE: It seems the snprintf implementation in Arduino has bugs,
-  // we have to manually piece the string together here.
-#define INT_TO_STR(v_, width_) \
-  for (j = 0; j < (width_); j++) { \
-    buffer[i + (width_) - 1 - j] = '0' + ((v_) % 10); \
-    (v_) /= 10; \
-  } \
-  i += (width_)
-
-  INT_TO_STR(year, 4);
-  buffer[i++] = '-';
-  INT_TO_STR(month, 2);
-  buffer[i++] = '-';
-  INT_TO_STR(day, 2);
-  buffer[i++] = 'T';
-  INT_TO_STR(hour, 2);
-  buffer[i++] = ':';
-  INT_TO_STR(minute, 2);
-  buffer[i++] = ':';
-  INT_TO_STR(second, 2);
-  buffer[i++] = '.';
-  INT_TO_STR(milli, 3);
-  buffer[i++] = 'Z';
-  buffer[i++] = '\0';
-
-#undef INT_TO_STR
-
-  *length = i;
-  return E_OK;
-}