File: //proc/self/root/proc/thread-self/root/usr/share/doc/varnish-6.0.3/html/_images/cache_req_fsm.svg
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<text text-anchor="middle" x="133.5" y="-794.3" font-family="Times,serif" font-size="14.00">cnt_lookup:</text>
<polyline fill="none" stroke="black" points="0,-786.5 267,-786.5 "/>
<text text-anchor="middle" x="72.5" y="-759.8" font-family="Times,serif" font-size="14.00">vcl_hit{}</text>
<polyline fill="none" stroke="black" points="145,-740.5 145,-786.5 "/>
<text text-anchor="middle" x="206" y="-771.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="145,-763.5 267,-763.5 "/>
<text text-anchor="middle" x="206" y="-748.3" font-family="Times,serif" font-size="14.00">obj.*</text>
<polyline fill="none" stroke="black" points="0,-740.5 267,-740.5 "/>
<text text-anchor="middle" x="17.5" y="-725.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="35,-717.5 35,-740.5 "/>
<text text-anchor="middle" x="62" y="-725.3" font-family="Times,serif" font-size="14.00">deliver</text>
<polyline fill="none" stroke="black" points="89,-717.5 89,-740.5 "/>
<text text-anchor="middle" x="109" y="-725.3" font-family="Times,serif" font-size="14.00">pass</text>
<polyline fill="none" stroke="black" points="129,-717.5 129,-740.5 "/>
<text text-anchor="middle" x="154" y="-725.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="179,-717.5 179,-740.5 "/>
<text text-anchor="middle" x="202" y="-725.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="225,-717.5 225,-740.5 "/>
<text text-anchor="middle" x="246" y="-725.3" font-family="Times,serif" font-size="14.00">miss</text>
</g>
<!-- lookup2->deliver -->
<g id="edge23" class="edge"><title>lookup2:deliver:s->deliver:n</title>
<path fill="none" stroke="green" stroke-width="2" d="M61.5,-717C61.5,-693.862 32.5,-640.138 32.5,-617 32.5,-617 32.5,-617 32.5,-316 32.5,-273.165 204.17,-302.904 230.994,-271.408"/>
<polygon fill="green" stroke="green" stroke-width="2" points="234.288,-272.593 234.5,-262 227.728,-270.148 234.288,-272.593"/>
</g>
<!-- lookup2->BGFETCH -->
<g id="edge12" class="edge"><title>lookup2:deliver:s->BGFETCH</title>
<path fill="none" stroke="green" d="M61.5,-717C61.5,-601.47 117.666,-471.946 144.076,-417.428"/>
<polygon fill="green" stroke="green" points="147.37,-418.66 148.641,-408.142 141.088,-415.572 147.37,-418.66"/>
<text text-anchor="middle" x="133.5" y="-551.8" font-family="Times,serif" font-size="14.00">parallel</text>
<text text-anchor="middle" x="133.5" y="-536.8" font-family="Times,serif" font-size="14.00">if obj expired</text>
</g>
<!-- miss -->
<g id="node20" class="node"><title>miss</title>
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<text text-anchor="middle" x="295.5" y="-635.3" font-family="Times,serif" font-size="14.00">cnt_miss:</text>
<polyline fill="none" stroke="black" points="188,-627.5 403,-627.5 "/>
<text text-anchor="middle" x="250.5" y="-612.3" font-family="Times,serif" font-size="14.00">vcl_miss{}</text>
<polyline fill="none" stroke="black" points="313,-604.5 313,-627.5 "/>
<text text-anchor="middle" x="358" y="-612.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="188,-604.5 403,-604.5 "/>
<text text-anchor="middle" x="205.5" y="-589.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="223,-581.5 223,-604.5 "/>
<text text-anchor="middle" x="245" y="-589.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="267,-581.5 267,-604.5 "/>
<text text-anchor="middle" x="290" y="-589.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="313,-581.5 313,-604.5 "/>
<text text-anchor="middle" x="338" y="-589.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="363,-581.5 363,-604.5 "/>
<text text-anchor="middle" x="383" y="-589.3" font-family="Times,serif" font-size="14.00">pass</text>
</g>
<!-- lookup2->miss -->
<g id="edge24" class="edge"><title>lookup2:miss:s->miss</title>
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<polygon fill="blue" stroke="blue" points="247.996,-660.844 251.273,-650.768 242.428,-656.602 247.996,-660.844"/>
<text text-anchor="middle" x="260.5" y="-687.8" font-family="Times,serif" font-size="14.00"> #1799 </text>
<text text-anchor="middle" x="260.5" y="-672.8" font-family="Times,serif" font-size="14.00"> EOL</text>
</g>
<!-- pass -->
<g id="node21" class="node"><title>pass</title>
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<text text-anchor="middle" x="383.5" y="-499.3" font-family="Times,serif" font-size="14.00">cnt_pass:</text>
<polyline fill="none" stroke="black" points="296,-491.5 471,-491.5 "/>
<text text-anchor="middle" x="348" y="-476.3" font-family="Times,serif" font-size="14.00">vcl_pass{}</text>
<polyline fill="none" stroke="black" points="400,-468.5 400,-491.5 "/>
<text text-anchor="middle" x="435.5" y="-476.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="296,-468.5 471,-468.5 "/>
<text text-anchor="middle" x="313.5" y="-453.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="331,-445.5 331,-468.5 "/>
<text text-anchor="middle" x="353" y="-453.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="375,-445.5 375,-468.5 "/>
<text text-anchor="middle" x="398" y="-453.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="421,-445.5 421,-468.5 "/>
<text text-anchor="middle" x="446" y="-453.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>
<!-- lookup2->pass -->
<g id="edge25" class="edge"><title>lookup2:pass:s->pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M108.5,-717C108.5,-649.019 129.916,-628.55 178.5,-581 208.698,-551.444 249.339,-529.153 286.47,-513.206"/>
<polygon fill="red" stroke="red" stroke-width="2" points="287.954,-516.379 295.826,-509.288 285.25,-509.922 287.954,-516.379"/>
</g>
<!-- lookup -->
<g id="node19" class="node"><title>lookup</title>
<polygon fill="none" stroke="grey" points="188,-870.5 188,-939.5 493,-939.5 493,-870.5 188,-870.5"/>
<text text-anchor="middle" x="340.5" y="-924.3" font-family="Times,serif" font-size="14.00" fill="grey">cnt_lookup:</text>
<polyline fill="none" stroke="grey" points="188,-916.5 493,-916.5 "/>
<text text-anchor="middle" x="340.5" y="-901.3" font-family="Times,serif" font-size="14.00" fill="grey">hash lookup</text>
<polyline fill="none" stroke="grey" points="188,-893.5 493,-893.5 "/>
<text text-anchor="middle" x="206.5" y="-878.3" font-family="Times,serif" font-size="14.00" fill="grey">hit?</text>
<polyline fill="none" stroke="grey" points="225,-870.5 225,-893.5 "/>
<text text-anchor="middle" x="249" y="-878.3" font-family="Times,serif" font-size="14.00" fill="grey">miss?</text>
<polyline fill="none" stroke="grey" points="273,-870.5 273,-893.5 "/>
<text text-anchor="middle" x="316.5" y="-878.3" font-family="Times,serif" font-size="14.00" fill="grey">hit-for-miss?</text>
<polyline fill="none" stroke="grey" points="360,-870.5 360,-893.5 "/>
<text text-anchor="middle" x="402.5" y="-878.3" font-family="Times,serif" font-size="14.00" fill="grey">hit-for-pass?</text>
<polyline fill="none" stroke="grey" points="445,-870.5 445,-893.5 "/>
<text text-anchor="middle" x="469" y="-878.3" font-family="Times,serif" font-size="14.00" fill="grey">busy?</text>
</g>
<!-- lookup->lookup2 -->
<g id="edge22" class="edge"><title>lookup:h:s->lookup2</title>
<path fill="none" stroke="green" stroke-width="2" d="M206.5,-869C206.5,-850.607 198.806,-833.143 188.414,-817.943"/>
<polygon fill="green" stroke="green" stroke-width="2" points="191.133,-815.732 182.395,-809.74 185.489,-819.873 191.133,-815.732"/>
</g>
<!-- lookup->lookup -->
<g id="edge18" class="edge"><title>lookup:busy:s->lookup:top:ne</title>
<path fill="none" stroke="grey" d="M469.5,-870C499,-851 511,-851 511,-905 511,-947.188 503.676,-956.416 497.849,-949.375"/>
<polygon fill="grey" stroke="grey" points="500.883,-947.599 493.5,-940 494.533,-950.544 500.883,-947.599"/>
<text text-anchor="middle" x="541.5" y="-901.3" font-family="Times,serif" font-size="14.00" fill="grey"> waitinglist</text>
</g>
<!-- lookup->miss -->
<g id="edge19" class="edge"><title>lookup:miss:s->miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M248.5,-869C248.5,-840.162 267.913,-837.822 275.5,-810 289.127,-760.029 293.599,-700.461 294.998,-660.851"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="298.5,-660.833 295.304,-650.732 291.504,-660.621 298.5,-660.833"/>
</g>
<!-- lookup->miss -->
<g id="edge20" class="edge"><title>lookup:hfm:s->miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M316.5,-869C316.5,-780.04 321.132,-757.059 308.5,-669 308.097,-666.193 307.606,-663.318 307.054,-660.431"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="310.477,-659.702 304.977,-650.647 303.63,-661.155 310.477,-659.702"/>
<text text-anchor="middle" x="347.5" y="-767.3" font-family="Times,serif" font-size="14.00"> req.</text>
<text text-anchor="middle" x="347.5" y="-752.3" font-family="Times,serif" font-size="14.00"> is_hitmiss</text>
</g>
<!-- lookup->pass -->
<g id="edge21" class="edge"><title>lookup:hfp:s->pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M402.5,-869C402.5,-740.938 428.927,-707.871 411.5,-581 408.916,-562.187 403.718,-541.927 398.495,-524.595"/>
<polygon fill="red" stroke="red" stroke-width="2" points="401.749,-523.271 395.437,-514.761 395.065,-525.35 401.749,-523.271"/>
<text text-anchor="middle" x="446.5" y="-687.8" font-family="Times,serif" font-size="14.00"> req.</text>
<text text-anchor="middle" x="446.5" y="-672.8" font-family="Times,serif" font-size="14.00"> is_hitpass</text>
</g>
<!-- miss->FETCH -->
<g id="edge26" class="edge"><title>miss:fetch:s->FETCH</title>
<path fill="none" stroke="blue" stroke-width="2" d="M244.5,-581C244.5,-523.156 244.5,-455.406 244.5,-418.463"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="248,-418.032 244.5,-408.032 241,-418.032 248,-418.032"/>
</g>
<!-- miss->pass -->
<g id="edge27" class="edge"><title>miss:pass:s->pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M383.5,-581C383.5,-562.741 383.5,-542.607 383.5,-525.22"/>
<polygon fill="red" stroke="red" stroke-width="2" points="387,-524.79 383.5,-514.79 380,-524.79 387,-524.79"/>
</g>
<!-- pass->FETCH -->
<g id="edge28" class="edge"><title>pass:fetch:s->FETCH</title>
<path fill="none" stroke="red" stroke-width="2" d="M352.5,-445C352.5,-441.01 314.3,-422.667 283.338,-408.453"/>
<polygon fill="red" stroke="red" stroke-width="2" points="284.562,-405.164 274.011,-404.195 281.655,-411.532 284.562,-405.164"/>
</g>
<!-- pipe -->
<g id="node22" class="node"><title>pipe</title>
<polygon fill="none" stroke="black" points="785.5,-847.5 785.5,-962.5 919.5,-962.5 919.5,-847.5 785.5,-847.5"/>
<text text-anchor="middle" x="852.5" y="-947.3" font-family="Times,serif" font-size="14.00">cnt_pipe:</text>
<polyline fill="none" stroke="black" points="785.5,-939.5 919.5,-939.5 "/>
<text text-anchor="middle" x="852.5" y="-924.3" font-family="Times,serif" font-size="14.00">filter req.*->bereq.*</text>
<polyline fill="none" stroke="black" points="785.5,-916.5 919.5,-916.5 "/>
<text text-anchor="middle" x="824" y="-889.8" font-family="Times,serif" font-size="14.00">vcl_pipe{}</text>
<polyline fill="none" stroke="black" points="862.5,-870.5 862.5,-916.5 "/>
<text text-anchor="middle" x="891" y="-901.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="862.5,-893.5 919.5,-893.5 "/>
<text text-anchor="middle" x="891" y="-878.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="785.5,-870.5 919.5,-870.5 "/>
<text text-anchor="middle" x="805" y="-855.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="824.5,-847.5 824.5,-870.5 "/>
<text text-anchor="middle" x="846.5" y="-855.3" font-family="Times,serif" font-size="14.00">pipe</text>
<polyline fill="none" stroke="black" points="868.5,-847.5 868.5,-870.5 "/>
<text text-anchor="middle" x="894" y="-855.3" font-family="Times,serif" font-size="14.00">synth</text>
</g>
<!-- pipe_do -->
<g id="node23" class="node"><title>pipe_do</title>
<ellipse fill="none" stroke="black" cx="872.5" cy="-763.5" rx="95.4188" ry="26.7407"/>
<text text-anchor="middle" x="872.5" y="-767.3" font-family="Times,serif" font-size="14.00">send bereq,</text>
<text text-anchor="middle" x="872.5" y="-752.3" font-family="Times,serif" font-size="14.00">copy bytes until close</text>
</g>
<!-- pipe->pipe_do -->
<g id="edge29" class="edge"><title>pipe:pipe->pipe_do</title>
<path fill="none" stroke="orange" stroke-width="2" d="M846.5,-847C846.5,-831.016 850.995,-814.062 856.246,-799.707"/>
<polygon fill="orange" stroke="orange" stroke-width="2" points="859.57,-800.817 859.957,-790.229 853.052,-798.265 859.57,-800.817"/>
</g>
<!-- pipe_do->DONE -->
<g id="edge30" class="edge"><title>pipe_do->DONE</title>
<path fill="none" stroke="orange" stroke-width="2" d="M859.947,-736.631C847.255,-708.052 829.5,-660.33 829.5,-617 829.5,-617 829.5,-617 829.5,-90 829.5,-57.4635 794.599,-38.8893 764.85,-28.9668"/>
<polygon fill="orange" stroke="orange" stroke-width="2" points="765.604,-25.5366 755.017,-25.9258 763.536,-32.2241 765.604,-25.5366"/>
</g>
<!-- restart->recv -->
<g id="edge32" class="edge"><title>restart:ok:s->recv</title>
<path fill="none" stroke="black" d="M924.5,-1214C924.5,-1200.91 909.442,-1189.71 887.468,-1180.33"/>
<polygon fill="black" stroke="black" points="888.598,-1177.01 878.013,-1176.56 886.004,-1183.51 888.598,-1177.01"/>
</g>
<!-- err_restart -->
<g id="node25" class="node"><title>err_restart</title>
<text text-anchor="middle" x="989.5" y="-1138.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
</g>
<!-- restart->err_restart -->
<g id="edge33" class="edge"><title>restart:max:s->err_restart</title>
<path fill="none" stroke="purple" d="M989.5,-1214C989.5,-1199.65 989.5,-1183.67 989.5,-1170.51"/>
<polygon fill="purple" stroke="purple" points="993,-1170.22 989.5,-1160.22 986,-1170.22 993,-1170.22"/>
</g>
<!-- hash->lookup -->
<g id="edge37" class="edge"><title>hash:lookup:w->lookup</title>
<path fill="none" stroke="green" stroke-width="2" d="M611.5,-1012C535.089,-1012 454.371,-974.999 401.108,-944.718"/>
<polygon fill="green" stroke="green" stroke-width="2" points="402.555,-941.512 392.145,-939.539 399.052,-947.573 402.555,-941.512"/>
</g>
<!-- hash->pass -->
<g id="edge39" class="edge"><title>hash:lookup:s->pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M673.5,-1000C673.5,-970.169 711.159,-986.526 729.5,-963 746.007,-941.827 749.5,-932.848 749.5,-906 749.5,-906 749.5,-906 749.5,-615 749.5,-557.748 589.584,-517.636 481.163,-497.019"/>
<polygon fill="red" stroke="red" stroke-width="2" points="481.64,-493.547 471.166,-495.145 480.35,-500.427 481.64,-493.547"/>
</g>
<!-- hash->pipe -->
<g id="edge40" class="edge"><title>hash:lookup:e->pipe</title>
<path fill="none" stroke="orange" stroke-width="2" d="M735.5,-1012C765.412,-1012 791.084,-992.736 810.695,-970.633"/>
<polygon fill="orange" stroke="orange" stroke-width="2" points="813.597,-972.622 817.375,-962.724 808.249,-968.105 813.597,-972.622"/>
</g>
<!-- purge -->
<g id="node27" class="node"><title>purge</title>
<polygon fill="none" stroke="black" points="590,-870.5 590,-939.5 721,-939.5 721,-870.5 590,-870.5"/>
<text text-anchor="middle" x="655.5" y="-924.3" font-family="Times,serif" font-size="14.00">cnt_purge:</text>
<polyline fill="none" stroke="black" points="590,-916.5 721,-916.5 "/>
<text text-anchor="middle" x="632.5" y="-901.3" font-family="Times,serif" font-size="14.00">vcl_purge{}</text>
<polyline fill="none" stroke="black" points="675,-893.5 675,-916.5 "/>
<text text-anchor="middle" x="698" y="-901.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="590,-893.5 721,-893.5 "/>
<text text-anchor="middle" x="607.5" y="-878.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="625,-870.5 625,-893.5 "/>
<text text-anchor="middle" x="648" y="-878.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="671,-870.5 671,-893.5 "/>
<text text-anchor="middle" x="696" y="-878.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>
<!-- hash->purge -->
<g id="edge38" class="edge"><title>hash:lookup:s->purge:top:n</title>
<path fill="none" stroke="purple" stroke-width="2" d="M673.5,-1000C673.5,-976.333 660.085,-969.99 656.417,-951.06"/>
<polygon fill="purple" stroke="purple" stroke-width="2" points="659.894,-950.641 655.5,-941 652.923,-951.277 659.894,-950.641"/>
</g>
</g>
</svg>