Initial Commit

2025-06-19 16:25:25 +02:00
commit d62635c7d9
5 changed files with 123 additions and 0 deletions
--- a/main.cpp
+++ b/main.cpp
@@ -0,0 +1,63 @@
+#include <cstring>
+#include <iostream>
+#include <unistd.h>
+#include "str_utils.h"
+
+const char* VERSION = "0.0.1-DEV";
+
+bool shortHand(const char* str, char shortHand);
+
+int main(const int argc, char** argv) {
+
+    if (argc > 1) {
+        for (int i = 1; i < argc; i++) {
+            const char* arg = argv[i];
+            if (strcmp(arg, "--help") == 0 || shortHand(arg, 'h')) {
+                std::cout << "Server Arduino Watchdog version '" << VERSION << "' by Zacharias (c) 2025" << std::endl
+                << std::endl
+                << "Options:" << std::endl
+                << "[requires root] -short --long-option Description" << std::endl
+                << "[X]     --init          Initializes the Server end of this system, find the arduino and creates systemd services" << std::endl
+                << "    -h  --help          Prints this help message" << std::endl
+                << "    -b  --heartbeat     Sends a heartbeat to the arduino, Intended to be send by systemd unit and timer" << std::endl
+                << "    -i  --info          Queries the Arduino Watchdog for status, like time before time-out" << std::endl
+                << "    -v  --version       Print's the version" << std::endl
+                ;
+                return 0;
+            }
+            else if (strcmp(arg, "--init") == 0) {
+                if (getuid() != 0) {
+                    std::cerr << "Initialization requires root!" << std::endl;
+                    return -1;
+                }
+                std::cout << "Initialization :)" << std::endl;
+                // TODO: Add init system
+            }
+            else if (strcmp(arg, "--heartbeat") == 0 || shortHand(arg, 'b')) {
+                // TODO: Send heartbeat
+            }
+            else if (strcmp(arg, "--info") == 0 || shortHand(arg, 'i')) {
+                // TODO: Send info
+                // TODO: Print response status
+            }
+            else if (strcmp(arg, "--version") == 0 || shortHand(arg, 'v')) {
+                std::cout << VERSION << " by Zacharias (c) 2025" << std::endl;
+            }
+            else {
+                std::cerr << "Unknown option '" << arg << "'" << std::endl << "Test '" << argv[0] << " --help'" << std::endl;
+                return -1;
+            }
+        }
+    }
+    else {
+        std::cerr << "Missing arguments, try " << argv[0] << " --help" << std::endl;
+        return -1;
+    }
+    return -1;
+}
+
+bool shortHand(const char* str, char shortHand) {
+    if (str == nullptr) return false;
+    if (shortHand == 0) return false;
+    return startWith(str, '-') && contains(str, shortHand);
+}