init

software design/components/utils/time_utils/CMakeLists.txt

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+idf_component_register(
+    SRCS "com/time_utils.cpp"
+    INCLUDE_DIRS "com"
+    REQUIRES 
+)

software design/components/utils/time_utils/com/time_utils.cpp

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+/**
+ * @file time_utils.cpp
+ * @brief Time utility functions implementation
+ * @author Mahmoud Elmohtady
+ * @company Nabd solutions - ASF
+ * @copyright Copyright (c) 2025
+ */
+
+#include "time_utils.hpp"
+#include <ctime>
+#include <sys/time.h>
+#include <cstdio>
+
+namespace asf {
+namespace utils {
+
+bool setSystemTime(const std::string& isoTimeStr) {
+    struct tm tm_time = {0};
+    int ms = 0;
+
+    // Parse ISO 8601: 2025-01-01T00:00:00.423Z
+    if (sscanf(isoTimeStr.c_str(), "%d-%d-%dT%d:%d:%d.%dZ",
+               &tm_time.tm_year, &tm_time.tm_mon, &tm_time.tm_mday,
+               &tm_time.tm_hour, &tm_time.tm_min, &tm_time.tm_sec, &ms) < 6) {
+        return false;
+    }
+
+    tm_time.tm_year -= 1900;
+    tm_time.tm_mon -= 1;
+
+    time_t t = mktime(&tm_time);
+    if (t == -1) {
+        return false;
+    }
+
+    struct timeval tv;
+    tv.tv_sec = t;
+    tv.tv_usec = ms * 1000;
+
+    return settimeofday(&tv, nullptr) == 0;
+}
+
+} // namespace utils
+} // namespace asf

software design/components/utils/time_utils/com/time_utils.hpp

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+/**
+ * @file time_utils.hpp
+ * @brief Time utility functions for system time setup
+ * @author Mahmoud Elmohtady
+ * @company Nabd solutions - ASF
+ * @copyright Copyright (c) 2025
+ */
+
+#pragma once
+
+#include <string>
+
+namespace asf {
+namespace utils {
+
+/**
+ * @brief Set the system time from an ISO 8601 string
+ * 
+ * @param isoTimeStr ISO 8601 formatted time string (e.g., "2025-01-01T00:00:00.423Z")
+ * @return true if time was set successfully, false otherwise
+ */
+bool setSystemTime(const std::string& isoTimeStr);
+
+} // namespace utils
+} // namespace asf