start using async

1 files changed, 16 insertions, 0 deletions

diff --git a/common/src/msg_id.rs b/common/src/msg_id.rs
new file mode 100644
index 0000000..e953f08
--- /dev/null
+++ b/common/src/msg_id.rs
@@ -0,0 +1,16 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use rand::{thread_rng, Rng};
+
+pub type MessageID = u64;
+
+pub fn gen_msg_id() -> MessageID {
+    // Time since UNIX epoch in milliseconds, (48 bits)
+    let now = SystemTime::now();
+    let time_millis: u128 = now.duration_since(UNIX_EPOCH).unwrap().as_millis();
+
+    // 16 bits of randomness
+    let rand: u16 = thread_rng().gen();
+
+    ((time_millis as u64) << 16) | (rand as u64)
+}