fix: made rand optional

domo_proto/Cargo.toml

@@ -7,4 +7,11 @@ edition = "2021"
 
 [dependencies]
 crc32fast = "1.3.2"
-rand = "0.8.5"
+
+[dependencies.rand]
+version = "0.8.5"
+optional = true
+
+[features]
+default = ["random"]
+random = ["rand"]

domo_proto/src/identifier.rs

@@ -1,5 +1,4 @@
 use std::fmt::{Display, Formatter, LowerHex};
-use rand::random;
 
 /// Helper struct for the identifiers used in `dest`, `src`, `packet_id` and `reply_to`.
 #[derive(Debug, Eq, PartialEq, Copy, Clone, Hash)]
@@ -8,12 +7,14 @@ pub struct Identifier {
 }
 
 impl Identifier {
+    #[cfg(feature = "random")]
     pub fn random() -> Identifier {
-        Identifier::from(random::<u32>())
+        Identifier::from(rand::random::<u32>())
     }
 }
 
 impl Default for Identifier {
+    /// Zero!
     fn default() -> Self {
         Identifier::from(0x00000000)
     }

domo_proto/src/packet/mod.rs

@@ -38,7 +38,7 @@ impl Default for Packet {
             dest: Identifier::from(0xFFFFFFFF),
             src: Identifier::from(0),
             command: 0x00,
-            packet_id: Identifier::random(),
+            packet_id: Identifier::default(),
             reply_to: Identifier::default(),
             data: PacketData::NodeManagement(crate::commands::node_management::NodeManagementCommand::Ping)
         }