RpcClient

Struct RpcClient 

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pub struct RpcClient<T, C: Codec = BincodeCodec>
where T: MessageChannel<C>,
{ /* private fields */ }
Expand description

RPC client for making remote procedure calls.

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impl<T: MessageChannel<BincodeCodec> + 'static> RpcClient<T, BincodeCodec>

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pub fn new(transport: T) -> Self

Examples found in repository?
examples/rpc_client_server.rs (line 90)
84async fn run_client() -> Result<(), Box<dyn std::error::Error>> {
85    println!("[Client] Connecting to RPC server");
86
87    let transport = SharedMemoryFrameTransport::connect_client(SERVICE_NAME)?;
88    let channel = MessageChannelAdapter::new(transport);
89
90    let client = RpcClient::new(channel);
91    let _handle = client.start();
92
93    println!("[Client] Connected!\n");
94
95    println!("[Client] Calling add(10, 32)");
96    let resp: AddResponse = client.call("add", &AddRequest { a: 10, b: 32 }).await?;
97    println!("[Client] Result: {}\n", resp.result);
98
99    println!("[Client] Calling add(100, 200)");
100    let resp: AddResponse = client.call("add", &AddRequest { a: 100, b: 200 }).await?;
101    println!("[Client] Result: {}\n", resp.result);
102
103    println!("[Client] Calling echo(\"Hello, RPC!\")");
104    let resp: EchoResponse = client
105        .call(
106            "echo",
107            &EchoRequest {
108                message: "Hello, RPC!".to_string(),
109            },
110        )
111        .await?;
112    println!(
113        "[Client] Result: message=\"{}\", length={}\n",
114        resp.message, resp.length
115    );
116
117    println!("[Client] Calling unknown method");
118    let result: Result<(), _> = client.call("unknown", &()).await;
119    match result {
120        Ok(_) => println!("[Client] Unexpected success"),
121        Err(e) => println!("[Client] Got expected error: {}\n", e),
122    }
123
124    client.close().await?;
125    println!("[Client] Done!");
126
127    Ok(())
128}
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pub fn with_timeout(transport: T, default_timeout: Duration) -> Self

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impl<T, C> RpcClient<T, C>
where T: MessageChannel<C> + 'static, C: Codec + Clone + Default + 'static,

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pub fn with_codec(transport: T, codec: C) -> Self

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pub fn with_codec_and_timeout( transport: T, codec: C, default_timeout: Duration, ) -> Self

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pub fn start(&self) -> RpcClientHandle

Start the client’s background receive loop.

Examples found in repository?
examples/rpc_client_server.rs (line 91)
84async fn run_client() -> Result<(), Box<dyn std::error::Error>> {
85    println!("[Client] Connecting to RPC server");
86
87    let transport = SharedMemoryFrameTransport::connect_client(SERVICE_NAME)?;
88    let channel = MessageChannelAdapter::new(transport);
89
90    let client = RpcClient::new(channel);
91    let _handle = client.start();
92
93    println!("[Client] Connected!\n");
94
95    println!("[Client] Calling add(10, 32)");
96    let resp: AddResponse = client.call("add", &AddRequest { a: 10, b: 32 }).await?;
97    println!("[Client] Result: {}\n", resp.result);
98
99    println!("[Client] Calling add(100, 200)");
100    let resp: AddResponse = client.call("add", &AddRequest { a: 100, b: 200 }).await?;
101    println!("[Client] Result: {}\n", resp.result);
102
103    println!("[Client] Calling echo(\"Hello, RPC!\")");
104    let resp: EchoResponse = client
105        .call(
106            "echo",
107            &EchoRequest {
108                message: "Hello, RPC!".to_string(),
109            },
110        )
111        .await?;
112    println!(
113        "[Client] Result: message=\"{}\", length={}\n",
114        resp.message, resp.length
115    );
116
117    println!("[Client] Calling unknown method");
118    let result: Result<(), _> = client.call("unknown", &()).await;
119    match result {
120        Ok(_) => println!("[Client] Unexpected success"),
121        Err(e) => println!("[Client] Got expected error: {}\n", e),
122    }
123
124    client.close().await?;
125    println!("[Client] Done!");
126
127    Ok(())
128}
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pub fn transport(&self) -> Arc<T>

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pub fn stream_manager(&self) -> Arc<StreamManager<C>>

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pub async fn call<Req, Resp>(&self, method: &str, request: &Req) -> Result<Resp>
where Req: Serialize, Resp: for<'de> Deserialize<'de>,

Make a typed RPC call.

Examples found in repository?
examples/rpc_client_server.rs (line 96)
84async fn run_client() -> Result<(), Box<dyn std::error::Error>> {
85    println!("[Client] Connecting to RPC server");
86
87    let transport = SharedMemoryFrameTransport::connect_client(SERVICE_NAME)?;
88    let channel = MessageChannelAdapter::new(transport);
89
90    let client = RpcClient::new(channel);
91    let _handle = client.start();
92
93    println!("[Client] Connected!\n");
94
95    println!("[Client] Calling add(10, 32)");
96    let resp: AddResponse = client.call("add", &AddRequest { a: 10, b: 32 }).await?;
97    println!("[Client] Result: {}\n", resp.result);
98
99    println!("[Client] Calling add(100, 200)");
100    let resp: AddResponse = client.call("add", &AddRequest { a: 100, b: 200 }).await?;
101    println!("[Client] Result: {}\n", resp.result);
102
103    println!("[Client] Calling echo(\"Hello, RPC!\")");
104    let resp: EchoResponse = client
105        .call(
106            "echo",
107            &EchoRequest {
108                message: "Hello, RPC!".to_string(),
109            },
110        )
111        .await?;
112    println!(
113        "[Client] Result: message=\"{}\", length={}\n",
114        resp.message, resp.length
115    );
116
117    println!("[Client] Calling unknown method");
118    let result: Result<(), _> = client.call("unknown", &()).await;
119    match result {
120        Ok(_) => println!("[Client] Unexpected success"),
121        Err(e) => println!("[Client] Got expected error: {}\n", e),
122    }
123
124    client.close().await?;
125    println!("[Client] Done!");
126
127    Ok(())
128}
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pub async fn call_with_timeout<Req, Resp>( &self, method: &str, request: &Req, timeout: Duration, ) -> Result<Resp>
where Req: Serialize, Resp: for<'de> Deserialize<'de>,

Make a typed RPC call with custom timeout.

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pub async fn call_server_stream<Req, Resp>( &self, method: &str, request: &Req, ) -> Result<StreamReceiver<Resp, C>>
where Req: Serialize, Resp: for<'de> Deserialize<'de>,

Initiate a server streaming RPC call.

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pub async fn notify<Req: Serialize>( &self, method: &str, request: &Req, ) -> Result<()>

Send a one-way notification (no response expected).

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pub async fn call_raw(&self, method: &str, payload: Vec<u8>) -> Result<Vec<u8>>

Make a raw bytes RPC call.

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pub async fn call_raw_with_timeout( &self, method: &str, payload: Vec<u8>, timeout: Duration, ) -> Result<Vec<u8>>

Make a raw bytes RPC call with custom timeout.

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pub fn is_connected(&self) -> bool

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pub fn active_streams(&self) -> usize

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pub async fn close(&self) -> Result<()>

Examples found in repository?
examples/rpc_client_server.rs (line 124)
84async fn run_client() -> Result<(), Box<dyn std::error::Error>> {
85    println!("[Client] Connecting to RPC server");
86
87    let transport = SharedMemoryFrameTransport::connect_client(SERVICE_NAME)?;
88    let channel = MessageChannelAdapter::new(transport);
89
90    let client = RpcClient::new(channel);
91    let _handle = client.start();
92
93    println!("[Client] Connected!\n");
94
95    println!("[Client] Calling add(10, 32)");
96    let resp: AddResponse = client.call("add", &AddRequest { a: 10, b: 32 }).await?;
97    println!("[Client] Result: {}\n", resp.result);
98
99    println!("[Client] Calling add(100, 200)");
100    let resp: AddResponse = client.call("add", &AddRequest { a: 100, b: 200 }).await?;
101    println!("[Client] Result: {}\n", resp.result);
102
103    println!("[Client] Calling echo(\"Hello, RPC!\")");
104    let resp: EchoResponse = client
105        .call(
106            "echo",
107            &EchoRequest {
108                message: "Hello, RPC!".to_string(),
109            },
110        )
111        .await?;
112    println!(
113        "[Client] Result: message=\"{}\", length={}\n",
114        resp.message, resp.length
115    );
116
117    println!("[Client] Calling unknown method");
118    let result: Result<(), _> = client.call("unknown", &()).await;
119    match result {
120        Ok(_) => println!("[Client] Unexpected success"),
121        Err(e) => println!("[Client] Got expected error: {}\n", e),
122    }
123
124    client.close().await?;
125    println!("[Client] Done!");
126
127    Ok(())
128}

Trait Implementations§

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impl<T, C> Debug for RpcClient<T, C>
where T: MessageChannel<C>, C: Codec + Clone,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T, C> Freeze for RpcClient<T, C>
where C: Freeze,

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impl<T, C = BincodeCodec> !RefUnwindSafe for RpcClient<T, C>

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impl<T, C> Send for RpcClient<T, C>

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impl<T, C> Sync for RpcClient<T, C>

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impl<T, C> Unpin for RpcClient<T, C>
where C: Unpin,

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impl<T, C = BincodeCodec> !UnwindSafe for RpcClient<T, C>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V