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</pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// &quot;License&quot;); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
</span><span class="kw">use </span>std::collections::HashMap;
<span class="kw">use </span>std::format;
<span class="kw">use </span>teaclave_runtime::DefaultRuntime;
<span class="kw">use </span>teaclave_types::{Executor, ExecutorType, StagedFiles, StagedFunction};
<span class="kw">use </span>teaclave_types::{TeaclaveExecutor, TeaclaveRuntime};
<span class="kw">type </span>BoxedTeaclaveExecutor = Box&lt;<span class="kw">dyn </span>TeaclaveExecutor + Send + Sync&gt;;
<span class="kw">type </span>BoxedTeaclaveRuntime = Box&lt;<span class="kw">dyn </span>TeaclaveRuntime + Send + Sync&gt;;
<span class="kw">type </span>ExecutorBuilder = <span class="kw">fn</span>() -&gt; BoxedTeaclaveExecutor;
<span class="kw">type </span>RuntimeBuilder = <span class="kw">fn</span>(StagedFiles, StagedFiles) -&gt; BoxedTeaclaveRuntime;
<span class="kw">pub struct </span>Worker {
runtimes: HashMap&lt;String, RuntimeBuilder&gt;,
executors: HashMap&lt;(ExecutorType, Executor), ExecutorBuilder&gt;,
}
<span class="kw">impl </span>Default <span class="kw">for </span>Worker {
<span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<span class="kw">let </span><span class="kw-2">mut </span>worker = Worker::new();
<span class="comment">// Register supported runtimes
</span>worker.register_runtime(<span class="string">&quot;default&quot;</span>, |input, output| {
Box::new(DefaultRuntime::new(input, output))
});
<span class="attribute">#[cfg(test_mode)]
</span>worker.register_runtime(<span class="string">&quot;raw-io&quot;</span>, |input, output| {
Box::new(teaclave_runtime::RawIoRuntime::new(input, output))
});
<span class="comment">// Register supported executors
</span><span class="attribute">#[cfg(all(executor_mesapy, not(feature = <span class="string">&quot;app&quot;</span>)))]
</span>worker.register_executor((ExecutorType::Python, Executor::MesaPy), || {
Box::&lt;teaclave_executor::MesaPy&gt;::default()
});
<span class="attribute">#[cfg(executor_builtin)]
</span>worker.register_executor((ExecutorType::Builtin, Executor::Builtin), || {
Box::&lt;teaclave_executor::BuiltinFunctionExecutor&gt;::default()
});
<span class="attribute">#[cfg(executor_wamr)]
</span>worker.register_executor(
(ExecutorType::WAMicroRuntime, Executor::WAMicroRuntime),
|| Box::&lt;teaclave_executor::WAMicroRuntime&gt;::default(),
);
worker
}
}
<span class="kw">impl </span>Worker {
<span class="kw">pub fn </span>new() -&gt; <span class="self">Self </span>{
<span class="self">Self </span>{
runtimes: HashMap::new(),
executors: HashMap::new(),
}
}
<span class="kw">pub fn </span>register_runtime(<span class="kw-2">&amp;mut </span><span class="self">self</span>, name: <span class="kw">impl </span>ToString, builder: RuntimeBuilder) {
<span class="self">self</span>.runtimes.insert(name.to_string(), builder);
}
<span class="kw">pub fn </span>register_executor(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: (ExecutorType, Executor), builder: ExecutorBuilder) {
<span class="self">self</span>.executors.insert(key, builder);
}
<span class="kw">pub fn </span>invoke_function(<span class="kw-2">&amp;</span><span class="self">self</span>, function: StagedFunction) -&gt; anyhow::Result&lt;String&gt; {
<span class="kw">let </span>executor = <span class="self">self</span>.get_executor(function.executor_type, function.executor)<span class="question-mark">?</span>;
<span class="kw">let </span>runtime = <span class="self">self</span>.get_runtime(
<span class="kw-2">&amp;</span>function.runtime_name,
function.input_files,
function.output_files,
)<span class="question-mark">?</span>;
executor.execute(function.name, function.arguments, function.payload, runtime)
}
<span class="kw">fn </span>get_runtime(
<span class="kw-2">&amp;</span><span class="self">self</span>,
name: <span class="kw-2">&amp;</span>str,
input_files: StagedFiles,
output_files: StagedFiles,
) -&gt; anyhow::Result&lt;BoxedTeaclaveRuntime&gt; {
<span class="kw">let </span>build_runtime = <span class="self">self
</span>.runtimes
.get(name)
.ok_or_else(|| <span class="macro">anyhow::anyhow!</span>(<span class="macro">format!</span>(<span class="string">&quot;Runtime {} not available.&quot;</span>, name)))<span class="question-mark">?</span>;
<span class="kw">let </span>runtime = build_runtime(input_files, output_files);
<span class="prelude-val">Ok</span>(runtime)
}
<span class="kw">fn </span>get_executor(
<span class="kw-2">&amp;</span><span class="self">self</span>,
exec_type: ExecutorType,
exec_name: Executor,
) -&gt; anyhow::Result&lt;BoxedTeaclaveExecutor&gt; {
<span class="kw">let </span>identifier = (exec_type, exec_name);
<span class="kw">let </span>build_executor = <span class="self">self
</span>.executors
.get(<span class="kw-2">&amp;</span>identifier)
.ok_or_else(|| <span class="macro">anyhow::anyhow!</span>(<span class="macro">format!</span>(<span class="string">&quot;function not available: {:?}&quot;</span>, identifier)))<span class="question-mark">?</span>;
<span class="kw">let </span>executor = build_executor();
<span class="prelude-val">Ok</span>(executor)
}
}
</code></pre></div>
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