readme

README.md

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+# Dynamic IP Updater with Cloudflare DNS
+
+This project is a dynamic IP updater for Cloudflare DNS records. It listens for changes in the IPv4 address of the network interface and updates the DNS records in Cloudflare accordingly.
+
+## Features
+
+- Automatically detects changes in the public IP address.
+- Updates Cloudflare DNS records when the public IP changes.
+- Listens for network interface events to detect IP changes.
+- Handles errors and retries updates to Cloudflare.
+
+## Prerequisites
+
+- Rust and Cargo installed.
+- Cloudflare account with API token.
+- Network interface with dynamic IP address.
+
+## Installation
+
+1. **Clone the repository:**
+
+    ```sh
+    git clone https://github.com/yourusername/dynip-cloudflare.git
+    cd dynip-cloudflare
+    ```
+
+2. **Build the project:**
+
+    ```sh
+    cargo build --release
+    ```
+
+3. **Create configuration file:**
+
+    Create a `config.toml` file in the current directory or in the configuration directory (typically `~/.config/dynip-cloudflare/`) with the following content:
+
+    ```toml
+    zone_id = "your_zone_id"
+    api_key = "your_api_key"
+    domains = ["example.com", "sub.example.com"]
+    max_errors_in_row = 5
+    ```
+
+## Usage
+
+1. **Run the program:**
+
+    ```sh
+    ./target/release/dynip-cloudflare
+    ```
+
+2. **Logging:**
+
+    The program logs to both stderr and a rotating file located in the `logs` directory. The log level is set to `Info`.
+
+## Configuration
+
+### `config.toml`
+
+- `zone_id`: The Zone ID of your Cloudflare domain.
+- `api_key`: The API key for your Cloudflare account.
+- `domains`: A list of domain names to update.
+- `max_errors_in_row`: Maximum number of consecutive errors before the program stops. Will be set to 10 as default
+
+### Example
+
+```toml
+zone_id = "your_zone_id"
+api_key = "your_api_key"
+domains = ["example.com", "sub.example.com"]
+max_errors_in_row = 5 
+```
+
+## Error Handling
+
+The program handles errors gracefully, with retries and logging of error messages. If the number of consecutive errors exceeds `max_errors_in_row`, the program will stop.
+
+## License
+
+This project is licensed under the MIT License.