all: refactor to cargo workspace, remove config shared library, remove protocol perms, add dpms cli (#7)

crates/jay-config/src/logging.rs

@@ -0,0 +1,34 @@
+//! Tools for modifying the logging behavior of the compositor.
+//!
+//! Note that you can use the `log` crate for logging. All invocations of `log::info` etc.
+//! automatically log into the compositors log.
+
+use {
+    serde::{Deserialize, Serialize},
+    std::time::SystemTime,
+};
+
+/// The log level of the compositor or a log message.
+#[derive(Serialize, Deserialize, Copy, Clone, Debug)]
+pub enum LogLevel {
+    Error,
+    Warn,
+    Info,
+    Debug,
+    Trace,
+}
+
+/// Sets the log level of the compositor.
+pub fn set_log_level(level: LogLevel) {
+    get!().set_log_level(level);
+}
+
+/// If this function is called during startup, Jay's log files before `time` are deleted.
+///
+/// The current log file is never deleted, nor are any other logfiles of active Jay instances (e.g.
+/// on another VT), even if `time` is in the future.
+///
+/// Calling this function after startup has no effect.
+pub fn clean_logs_older_than(time: SystemTime) {
+    get!().clean_logs_older_than(time);
+}