feat(bindings): Tracing configuration through FFI

bindings/apple/debug_build_xcframework.sh

@@ -34,7 +34,7 @@ REL_TYPE_DIR="debug"
 
 # iOS Simulator arm64
 if [ "$ACTIVE_ARCH" = "arm64" ]; then
-  cargo +nightly build -p matrix-sdk-ffi ${REL_FLAG} --target "aarch64-apple-ios-sim"
+  cargo build -p matrix-sdk-ffi ${REL_FLAG} --target "aarch64-apple-ios-sim"
 
   lipo -create \
     "${TARGET_DIR}/aarch64-apple-ios-sim/${REL_TYPE_DIR}/libmatrix_sdk_ffi.a" \
@@ -42,7 +42,7 @@ if [ "$ACTIVE_ARCH" = "arm64" ]; then
 
 # iOS Simulator intel
 else 
-  cargo +nightly build -p matrix-sdk-ffi ${REL_FLAG} --target "x86_64-apple-ios"
+  cargo build -p matrix-sdk-ffi ${REL_FLAG} --target "x86_64-apple-ios"
 
   lipo -create \
     "${TARGET_DIR}/x86_64-apple-ios/${REL_TYPE_DIR}/libmatrix_sdk_ffi.a" \
@@ -84,8 +84,6 @@ if [ "$IS_CI" = false ] ; then
   echo "Preparing matrix-rust-components-swift"
 
   # Debug -> Copy generated files over to ../../../matrix-rust-components-swift
-  echo "$(printf "import MatrixSDKFFIWrapper\n\n"; cat "${SWIFT_DIR}/sdk.swift")" > "${SWIFT_DIR}/sdk.swift"
-
   rsync -a --delete "${GENERATED_DIR}/MatrixSDKFFI.xcframework" "${SRC_ROOT}/../matrix-rust-components-swift/"
   rsync -a --delete "${GENERATED_DIR}/swift/" "${SRC_ROOT}/../matrix-rust-components-swift/Sources/MatrixRustSDK"
 fi

bindings/matrix-sdk-ffi/Cargo.toml

@@ -31,6 +31,7 @@ thiserror = "1.0.30"
 tokio = { version = "1", features = ["rt-multi-thread", "macros"] }
 tokio-stream = "0.1.8"
 tracing = "0.1.32"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 # keep in sync with uniffi dependency in matrix-sdk-crypto-ffi, and uniffi_bindgen in ffi CI job
 uniffi = "0.18.0"
 uniffi_macros = "0.18.0"

bindings/matrix-sdk-ffi/src/api.udl

@@ -1,4 +1,6 @@
 namespace sdk {
+    void setup_tracing(string configuration);
+
     MediaSource media_source_from_url(string url);
     MessageEventContent message_event_content_from_markdown(string md);
     string gen_transaction_id();

bindings/matrix-sdk-ffi/src/lib.rs

@@ -17,6 +17,7 @@ use matrix_sdk::Session;
 use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
 use tokio::runtime::Runtime;
+use tracing_subscriber::{fmt, prelude::*, EnvFilter};
 pub use uniffi_api::*;
 
 pub static RUNTIME: Lazy<Runtime> =
@@ -55,3 +56,10 @@ impl From<anyhow::Error> for ClientError {
         ClientError::Generic { msg: e.to_string() }
     }
 }
+
+fn setup_tracing(configuration: String) {
+    tracing_subscriber::registry()
+        .with(EnvFilter::new(configuration))
+        .with(fmt::layer().with_ansi(false))
+        .init();
+}