Initial getTimeFromString

Author: pennam

src/utility/time/TimeService.cpp

@@ -22,7 +22,8 @@
 #include "TimeService.h"
 
 #include <time.h>
-
+#include <iomanip>
+#include <sstream>
 #include "NTPUtils.h"
 
 /**************************************************************************************
@@ -104,6 +105,19 @@ unsigned long TimeService::getLocalTime()
   return utc + _timezone_offset;
 }
 
+unsigned long TimeService::getTimeFromString(const String& timeString)
+{
+  struct tm t;
+  std::istringstream ss(timeString.c_str());
+  ss >> std::get_time(&t, "%Y %b %d %H:%M:%S");
+
+  if(!ss) {
+    return 0;
+  } else {
+    return mktime(&t);
+  }
+}
+
 /**************************************************************************************
  * PRIVATE MEMBER FUNCTIONS
  **************************************************************************************/

src/utility/time/TimeService.h

@@ -23,6 +23,7 @@
  **************************************************************************************/
 
 #include <Arduino_ConnectionHandler.h>
+#include <string>
 
 
 #ifdef ARDUINO_ARCH_SAMD
@@ -49,6 +50,7 @@ class TimeService
   unsigned long getTime();
   unsigned long getLocalTime();
   void          setTimeZoneData(int offset, unsigned int valid_until);
+  static unsigned long getTimeFromString(const String& timeString);
 
 private: