wasmcloud_example_runner/
runner.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
// This file is @generated by wasmcloud/weld-codegen 0.7.0.
// It is not intended for manual editing.
// namespace: org.wasmcloud.example.runner

#[allow(unused_imports)]
use async_trait::async_trait;
#[allow(unused_imports)]
use serde::{Deserialize, Serialize};
#[allow(unused_imports)]
use std::{borrow::Borrow, borrow::Cow, io::Write, string::ToString};
#[allow(unused_imports)]
use wasmbus_rpc::{
    cbor::*,
    common::{
        deserialize, message_format, serialize, Context, Message, MessageDispatch, MessageFormat,
        SendOpts, Transport,
    },
    error::{RpcError, RpcResult},
    Timestamp,
};

#[allow(dead_code)]
pub const SMITHY_VERSION: &str = "1.0";

pub type StringList = Vec<String>;

// Encode StringList as CBOR and append to output stream
#[doc(hidden)]
#[allow(unused_mut)]
pub fn encode_string_list<W: wasmbus_rpc::cbor::Write>(
    mut e: &mut wasmbus_rpc::cbor::Encoder<W>,
    val: &StringList,
) -> RpcResult<()>
where
    <W as wasmbus_rpc::cbor::Write>::Error: std::fmt::Display,
{
    e.array(val.len() as u64)?;
    for item in val.iter() {
        e.str(item)?;
    }
    Ok(())
}

// Decode StringList from cbor input stream
#[doc(hidden)]
pub fn decode_string_list(d: &mut wasmbus_rpc::cbor::Decoder<'_>) -> Result<StringList, RpcError> {
    let __result = {
        if let Some(n) = d.array()? {
            let mut arr: Vec<String> = Vec::with_capacity(n as usize);
            for _ in 0..(n as usize) {
                arr.push(d.str()?.to_string())
            }
            arr
        } else {
            // indefinite array
            let mut arr: Vec<String> = Vec::new();
            loop {
                match d.datatype() {
                    Err(_) => break,
                    Ok(wasmbus_rpc::cbor::Type::Break) => break,
                    Ok(_) => arr.push(d.str()?.to_string()),
                }
            }
            arr
        }
    };
    Ok(__result)
}
/// The Runner interface has a single Run method
/// wasmbus.contractId: wasmcloud:example:runner
/// wasmbus.actorReceive
#[async_trait]
pub trait Runner {
    /// returns the capability contract id for this interface
    fn contract_id() -> &'static str {
        "wasmcloud:example:runner"
    }
    /// The Run operation takes an array of strings and returns an array of strings.
    /// The interpretation of the inputs, and the meaning of the outputs,
    /// is dependent on the implementation.
    /// Either input or output arrays may be empty.
    async fn run(&self, ctx: &Context, arg: &StringList) -> RpcResult<StringList>;
}

/// RunnerReceiver receives messages defined in the Runner service trait
/// The Runner interface has a single Run method
#[doc(hidden)]
#[async_trait]
pub trait RunnerReceiver: MessageDispatch + Runner {
    async fn dispatch(&self, ctx: &Context, message: Message<'_>) -> Result<Vec<u8>, RpcError> {
        match message.method {
            "Run" => {
                let value: StringList = wasmbus_rpc::common::deserialize(&message.arg)
                    .map_err(|e| RpcError::Deser(format!("'StringList': {}", e)))?;

                let resp = Runner::run(self, ctx, &value).await?;
                let buf = wasmbus_rpc::common::serialize(&resp)?;

                Ok(buf)
            }
            _ => Err(RpcError::MethodNotHandled(format!(
                "Runner::{}",
                message.method
            ))),
        }
    }
}

/// RunnerSender sends messages to a Runner service
/// The Runner interface has a single Run method
/// client for sending Runner messages
#[derive(Clone, Debug)]
pub struct RunnerSender<T: Transport> {
    transport: T,
}

impl<T: Transport> RunnerSender<T> {
    /// Constructs a RunnerSender with the specified transport
    pub fn via(transport: T) -> Self {
        Self { transport }
    }

    pub fn set_timeout(&self, interval: std::time::Duration) {
        self.transport.set_timeout(interval);
    }
}

#[cfg(not(target_arch = "wasm32"))]
impl<'send> RunnerSender<wasmbus_rpc::provider::ProviderTransport<'send>> {
    /// Constructs a Sender using an actor's LinkDefinition,
    /// Uses the provider's HostBridge for rpc
    pub fn for_actor(ld: &'send wasmbus_rpc::core::LinkDefinition) -> Self {
        Self {
            transport: wasmbus_rpc::provider::ProviderTransport::new(ld, None),
        }
    }
}
#[cfg(target_arch = "wasm32")]
impl RunnerSender<wasmbus_rpc::actor::prelude::WasmHost> {
    /// Constructs a client for actor-to-actor messaging
    /// using the recipient actor's public key
    pub fn to_actor(actor_id: &str) -> Self {
        let transport =
            wasmbus_rpc::actor::prelude::WasmHost::to_actor(actor_id.to_string()).unwrap();
        Self { transport }
    }
}
#[async_trait]
impl<T: Transport + std::marker::Sync + std::marker::Send> Runner for RunnerSender<T> {
    #[allow(unused)]
    /// The Run operation takes an array of strings and returns an array of strings.
    /// The interpretation of the inputs, and the meaning of the outputs,
    /// is dependent on the implementation.
    /// Either input or output arrays may be empty.
    async fn run(&self, ctx: &Context, arg: &StringList) -> RpcResult<StringList> {
        let buf = wasmbus_rpc::common::serialize(arg)?;

        let resp = self
            .transport
            .send(
                ctx,
                Message {
                    method: "Runner.Run",
                    arg: Cow::Borrowed(&buf),
                },
                None,
            )
            .await?;

        let value: StringList = wasmbus_rpc::common::deserialize(&resp)
            .map_err(|e| RpcError::Deser(format!("'{}': StringList", e)))?;
        Ok(value)
    }
}