diff options
Diffstat (limited to 'src/net/message.rs')
| -rw-r--r-- | src/net/message.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/net/message.rs b/src/net/message.rs index b0d255c6..af98ca12 100644 --- a/src/net/message.rs +++ b/src/net/message.rs @@ -28,12 +28,30 @@ use crate::util::*; /// The same priority value is given to a request and to its associated response. pub type RequestPriority = u8; +// Usage of priority levels in Garage: +// +// PRIO_HIGH +// for liveness check events such as pings and important +// reconfiguration events such as layout changes +// +// PRIO_NORMAL +// for standard interactive requests to exchange metadata +// +// PRIO_NORMAL | PRIO_SECONDARY +// for standard interactive requests to exchange block data +// +// PRIO_BACKGROUND +// for background resync requests to exchange metadata +// PRIO_BACKGROUND | PRIO_SECONDARY +// for background resync requests to exchange block data + /// Priority class: high pub const PRIO_HIGH: RequestPriority = 0x20; /// Priority class: normal pub const PRIO_NORMAL: RequestPriority = 0x40; /// Priority class: background pub const PRIO_BACKGROUND: RequestPriority = 0x80; + /// Priority: primary among given class pub const PRIO_PRIMARY: RequestPriority = 0x00; /// Priority: secondary among given class (ex: `PRIO_HIGH | PRIO_SECONDARY`) |