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4643bae284
The Room::request_encryption_state method employs a DashMap to uphold a
lock, facilitating the de-duplication of requests directed to the server.
The de-duplication logic involves creating a fresh Mutex and embedding
it into the DashMap through these stages:
1. Generate a new de-duplication mutex.
2. Insert a mutex copy into the DashMap.
2. Acquire the mutex.
Due to DashMap's limitation of enabling map locking solely during
insertion (step 1), a race condition emerges. Consequently, multiple
invocations of the Room::request_encryption_state method might
concurrently endeavor to insert the de-duplication mutex.
This commit removes the chance of such a race. It substitutes the
DashMap with a combination of a mutex and a BTreeMap. This adaptation
permits us to lock the map throughout all three specified operations.
matrix-rust-sdk
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust.
Project structure
The rust-sdk consists of multiple crates that can be picked at your convenience:
- matrix-sdk - High level client library, with batteries included, you're most likely interested in this.
- matrix-sdk-base - No (network) IO client state machine that can be used to embed a Matrix client in your project or build a full fledged network enabled client lib on top of it.
- matrix-sdk-crypto - No (network) IO encryption state machine that can be used to add Matrix E2EE support to your client or client library.
Minimum Supported Rust Version (MSRV)
These crates are built with the Rust language version 2021 and require a minimum compiler version of 1.70.
Status
The library is in an alpha state, things that are implemented generally work but the API will change in breaking ways.
If you are interested in using the matrix-sdk now is the time to try it out and provide feedback.
Bindings
Some crates of the matrix-rust-sdk can be embedded inside other
environments, like Swift, Kotlin, JavaScript, Node.js etc. Please,
explore the bindings/ directory to learn more.