<!-- Originally created with blockdiag. See the Git history for the source. -->
<svg height="497.20000000000005" viewBox="0 0 564 452" width="620.4000000000001" xmlns="http://www.w3.org/2000/svg" xmlns:inkspace="http://www.inkscape.org/namespaces/inkscape" xmlns:xlink="http://www.w3.org/1999/xlink" style="background-color:white">
<defs id="defs_block">
<filter height="1.504" id="filter_blur" inkspace:collect="always" width="1.1575" x="-0.07875" y="-0.252">
<feGaussianBlur id="feGaussianBlur3780" inkspace:collect="always" stdDeviation="4.2"></feGaussianBlur>
</filter>
</defs>
<title>Cancelled Server Streaming RPC</title>
<desc></desc>
<rect fill="rgb(0,0,0)" height="271" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="8" x="171" y="159"></rect>
<rect fill="rgb(0,0,0)" height="271" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="8" x="363" y="159"></rect>
<polygon fill="rgb(0,0,0)" points="27,126 151,126 159,134 159,193 27,193 27,126" stroke="rgb(0,0,0)" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1"></polygon>
<polygon fill="rgb(0,0,0)" points="383,233 543,233 551,241 551,300 383,300 383,233" stroke="rgb(0,0,0)" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1"></polygon>
<polygon fill="rgb(0,0,0)" points="33,340 151,340 159,348 159,394 33,394 33,340" stroke="rgb(0,0,0)" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1"></polygon>
<rect fill="rgb(0,0,0)" height="40" stroke="rgb(0,0,0)" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="128" x="111" y="46"></rect>
<rect fill="rgb(0,0,0)" height="40" stroke="rgb(0,0,0)" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="128" x="303" y="46"></rect>
<path d="M 172 80 L 172 440" fill="none" stroke="rgb(0,0,0)" stroke-dasharray="8 4"></path>
<rect fill="moccasin" height="271" stroke="rgb(0,0,0)" width="8" x="168" y="153"></rect>
<path d="M 364 80 L 364 440" fill="none" stroke="rgb(0,0,0)" stroke-dasharray="8 4"></path>
<rect fill="moccasin" height="271" stroke="rgb(0,0,0)" width="8" x="360" y="153"></rect>
<rect fill="rgb(255,255,255)" height="40" stroke="rgb(0,0,0)" width="128" x="108" y="40"></rect>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="36" x="172.0" y="66">client</text>
<rect fill="rgb(255,255,255)" height="40" stroke="rgb(0,0,0)" width="128" x="300" y="40"></rect>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="36" x="364.0" y="66">server</text>
<path d="M 180 153 L 356 153" fill="none" stroke="rgb(0,0,0)"></path>
<polygon fill="rgb(0,0,0)" points="348,149 356,153 348,157" stroke="rgb(0,0,0)"></polygon>
<polygon fill="rgb(240,248,255)" points="24,120 148,120 156,128 156,187 24,187 24,120" stroke="rgb(0,0,0)"></polygon>
<path d="M 148 120 L 148 128" fill="none" stroke="rgb(0,0,0)"></path>
<path d="M 148 128 L 156 128" fill="none" stroke="rgb(0,0,0)"></path>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="108" x="86.0" y="133">PacketType.REQUEST</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="62.0" y="146">channel ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="62.0" y="159">service ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="54" x="59.0" y="172">method ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="42" x="53.0" y="185">payload</text>
<path d="M 180 260 L 356 260" fill="none" stroke="rgb(0,0,0)" stroke-dasharray="4"></path>
<polygon fill="rgb(0,0,0)" points="188,256 180,260 188,264" stroke="rgb(0,0,0)"></polygon>
<polygon fill="rgb(240,248,255)" points="380,227 540,227 548,235 548,294 380,294 380,227" stroke="rgb(0,0,0)"></polygon>
<path d="M 540 227 L 540 235" fill="none" stroke="rgb(0,0,0)"></path>
<path d="M 540 235 L 548 235" fill="none" stroke="rgb(0,0,0)"></path>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="144" x="460.0" y="240">PacketType.SERVER_STREAM</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="418.0" y="253">channel ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="418.0" y="266">service ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="54" x="415.0" y="279">method ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="42" x="409.0" y="292">payload</text>
<path d="M 180 361 L 356 361" fill="none" stroke="rgb(0,0,0)"></path>
<polygon fill="rgb(0,0,0)" points="348,357 356,361 348,365" stroke="rgb(0,0,0)"></polygon>
<polygon fill="rgb(240,248,255)" points="30,334 148,334 156,342 156,388 30,388 30,334" stroke="rgb(0,0,0)"></polygon>
<path d="M 148 334 L 148 342" fill="none" stroke="rgb(0,0,0)"></path>
<path d="M 148 342 L 156 342" fill="none" stroke="rgb(0,0,0)"></path>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="102" x="89.0" y="347">PacketType.CANCEL</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="68.0" y="360">channel ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="60" x="68.0" y="373">service ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="54" x="65.0" y="386">method ID</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="42" x="205.0" y="151">request</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="138" x="287.0" y="258">messages (zero or more)</text>
<text fill="rgb(0,0,0)" font-family="sans-serif" font-size="11" font-style="normal" font-weight="normal" text-anchor="middle" textLength="36" x="202.0" y="359">cancel</text>
</svg>