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    <title>JSDoc: Class: ServerDuplexStream</title>

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    <h1 class="page-title">Class: ServerDuplexStream</h1>

    
<section>

<header>
    
        <h2><span class="attribs"><span class="type-signature"></span></span>
            <span class="ancestors"><a href="grpc.html">grpc</a>~</span>ServerDuplexStream<span class="signature">(call, metadata, serialize, deserialize)</span><span class="type-signature"></span></h2>
        
    
</header>

<article>
    <div class="container-overview">
    
        
    <h4 class="name" id="ServerDuplexStream"><span class="type-signature"></span>new ServerDuplexStream<span class="signature">(call, metadata, serialize, deserialize)</span><span class="type-signature"></span></h4>
    

<div class="description">
    <p>A stream that the server can read from or write to. Used for calls with
duplex streaming.</p>
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>call</code></td>
            

            <td class="type">
            
                
<span class="param-type">grpc.internal~Call</span>


            </td>

            
            <td class="description last"><p>Call object to proxy</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>metadata</code></td>
            

            <td class="type">
            
                
<span class="param-type"><a href="grpc.Metadata.html">grpc.Metadata</a></span>


            </td>

            
            <td class="description last"><p>The request metadata from the client</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>serialize</code></td>
            

            <td class="type">
            
                
<span class="param-type"><a href="grpc.html#~serialize">grpc~serialize</a></span>


            </td>

            
            <td class="description last"><p>Serialization function for requests</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>deserialize</code></td>
            

            <td class="type">
            
                
<span class="param-type"><a href="grpc.html#~deserialize">grpc~deserialize</a></span>


            </td>

            
            <td class="description last"><p>Deserialization function for
    responses</p></td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="src_server.js.html">src/server.js</a>, <a href="src_server.js.html#line436">line 436</a>
    </li></ul></dd>
    

</dl>


    </div>

    
        <h3 class="subsection-title">Extends</h3>

        
    <ul>
        <li><a href="external-Duplex.html">external:Duplex</a></li>
    </ul>


        <h3 class="subsection-title">Methods</h3>

        
    <h4 class="name" id="getPeer"><span class="type-signature"></span>getPeer<span class="signature">()</span><span class="type-signature"> &rarr; {string}</span></h4>
    

<div class="description">
    <p>Get the endpoint this call/stream is connected to.</p>
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="src_server.js.html">src/server.js</a>, <a href="src_server.js.html#line502">line 502</a>
    </li></ul></dd>
    

</dl>


<h5>Returns:</h5>

        
<div class="param-desc">
    <p>The URI of the endpoint</p>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>
        
<span class="param-type">string</span>


    </dd>
</dl>

    
    <h4 class="name" id="sendMetadata"><span class="type-signature"></span>sendMetadata<span class="signature">(responseMetadata)</span><span class="type-signature"></span></h4>
    

<div class="description">
    <p>Send the initial metadata for a writable stream.</p>
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>responseMetadata</code></td>
            

            <td class="type">
            
                
<span class="param-type">Metadata</span>


            </td>

            
            <td class="description last"><p>Metadata to send</p></td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="src_server.js.html">src/server.js</a>, <a href="src_server.js.html#line475">line 475</a>
    </li></ul></dd>
    

</dl>


        <h3 class="subsection-title">Events</h3>

        
    <h4 class="name" id="~event:cancelled">cancelled</h4>
    

<div class="description">
    <p>Emitted when the call has been cancelled. After this has been emitted, the
call's <code>cancelled</code> property will be set to <code>true</code>.</p>
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="src_server.js.html">src/server.js</a>, <a href="src_server.js.html#line428">line 428</a>
    </li></ul></dd>
    

</dl>


</article>

</section>


</div>

<nav>
    <h2><a href="index.html">Home</a></h2><h3>Externals</h3><ul><li><a href="external-Duplex.html">Duplex</a></li><li><a href="external-EventEmitter.html">EventEmitter</a></li><li><a href="external-GoogleCredential.html">GoogleCredential</a></li><li><a href="external-Readable.html">Readable</a></li><li><a href="external-Writable.html">Writable</a></li></ul><h3>Classes</h3><ul><li><a href="grpc.Client.html">Client</a></li><li><a href="grpc.credentials-CallCredentials.html">CallCredentials</a></li><li><a href="grpc.credentials-ChannelCredentials.html">ChannelCredentials</a></li><li><a href="grpc.Metadata.html">Metadata</a></li><li><a href="grpc.Server.html">Server</a></li><li><a href="grpc.ServerCredentials.html">ServerCredentials</a></li><li><a href="grpc-ClientDuplexStream.html">ClientDuplexStream</a></li><li><a href="grpc-ClientReadableStream.html">ClientReadableStream</a></li><li><a href="grpc-ClientUnaryCall.html">ClientUnaryCall</a></li><li><a href="grpc-ClientWritableStream.html">ClientWritableStream</a></li><li><a href="grpc-ServerDuplexStream.html">ServerDuplexStream</a></li><li><a href="grpc-ServerReadableStream.html">ServerReadableStream</a></li><li><a href="grpc-ServerUnaryCall.html">ServerUnaryCall</a></li><li><a href="grpc-ServerWritableStream.html">ServerWritableStream</a></li></ul><h3>Events</h3><ul><li><a href="grpc-ClientDuplexStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientDuplexStream.html#event:status">status</a></li><li><a href="grpc-ClientReadableStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientReadableStream.html#event:status">status</a></li><li><a href="grpc-ClientUnaryCall.html#event:metadata">metadata</a></li><li><a href="grpc-ClientUnaryCall.html#event:status">status</a></li><li><a href="grpc-ClientWritableStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientWritableStream.html#event:status">status</a></li><li><a href="grpc-ServerDuplexStream.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerReadableStream.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerUnaryCall.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerWritableStream.html#~event:cancelled">cancelled</a></li></ul><h3>Namespaces</h3><ul><li><a href="grpc.html">grpc</a></li><li><a href="grpc.credentials.html">credentials</a></li></ul>
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