path: root/doc/sphinx/uml/currentHost4.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="2163px" preserveAspectRatio="none" style="width:969px;height:2163px;" version="1.1" viewBox="0 0 969 2163" width="969px" zoomAndPan="magnify"><defs><filter height="300%" id="fgxgo3z1vpo2" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="277" x="337.25" y="17.4023">currentHost DHCPv4 (Kea 1.8.0)</text><!--MD5=[e3476fda087b0512b1cf4e3a66ca5e59]
entity entry--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="134" x="314.5" y="28.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="114" x="324.5" y="51.7344">Subnet Selection</text><!--MD5=[f65ad2d20ed779f8ee7fa3e9ca8ab4c3]
entity setSelected--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="247" x="258" y="125.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="227" x="268" y="148.7344">Set subnet to the selected subnet</text><!--MD5=[c0678c1aaf89874ea821e39d7ef5404f]
entity clientid_lookup--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="245" x="259" y="222.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="225" x="269" y="245.7344">Has client a lease for its client id?</text><!--MD5=[a51c27fcfb0c2b9388b266a7e30efdf3]
entity clientid_iterate--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="283" x="7" y="319.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="263" x="17" y="342.7344">Iterate on allowed subnets for client id</text><!--MD5=[96d14c76c72fae1f84c71c464af0f0e6]
entity found_clientid--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="253" x="22" y="498.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="233" x="32" y="521.7344">Set subnet to the by client id lease</text><!--MD5=[9f5518b92d1482f0724c659635bb4f8f]
entity hwaddr_lookup--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="211" x="449" y="432.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="191" x="459" y="455.7344">Has client a matching lease?</text><!--MD5=[7366630e5488cbc20c26d829a87e86ca]
entity hwaddr_iterate--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="352" x="201.5" y="564.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="332" x="211.5" y="587.7344">Iterate on allowed subnets for hardware address</text><!--MD5=[096d593c9a7e1a0b5ae2681804d4217f]
entity found_hwaddr--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="243" x="229" y="677.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="223" x="239" y="700.7344">Set subnet to the matching lease</text><!--MD5=[f1bd864ca92b3a59ad91e15b6c278a16]
entity hasAddressReservation--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="211" x="375" y="930.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="191" x="385" y="953.7344">Has an address reservation?</text><!--MD5=[0af8b8cc29117b7db26a4bf8fde82b62]
entity setAddressReservation--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="300" x="220.5" y="1043.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="280" x="230.5" y="1066.7344">Set subnet to address reservation subnet</text><!--MD5=[42a0a2711e18aa980e3ea9f910af1c90]
entity pool--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="251" x="355" y="1140.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="231" x="365" y="1163.7344">Is the address in an allowed pool?</text><!--MD5=[ec337e6f6831b541235537d1c5125816]
entity pool_iterate--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="269" x="141" y="1237.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="249" x="151" y="1260.7344">Iterate on allowed subnets with pool</text><!--MD5=[8426a0f58e3c900bd89aafdc516c0a64]
entity inAllowedPool--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="254" x="148.5" y="1350.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="234" x="158.5" y="1373.7344">Set subnet to address pool subnet</text><!--MD5=[c7571992746652353b375880ae850124]
entity allocate--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="158" x="393.5" y="1447.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="138" x="403.5" y="1470.7344">Allocate a new lease</text><!--MD5=[539657d7008b7b9e186112fa27fe2a64]
entity allocate_iterate--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="201" x="232" y="1560.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="181" x="242" y="1583.7344">Iterate on allowed subnets</text><!--MD5=[98bd7f0fd78ffed8e2b0c08f2369be38]
entity allocated--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="266" x="270.5" y="1673.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="246" x="280.5" y="1696.7344">Set subnet to allocated lease subnet</text><!--MD5=[a2ab21a8d09e419da8ba4e22e422b87f]
entity getHRmode--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="252" x="394.5" y="1770.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="232" x="404.5" y="1793.7344">Get subnet host reservation mode</text><!--MD5=[9e66760393f24350dd53d10577644815]
entity checkHRmode--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="293" x="374" y="1867.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="273" x="384" y="1890.7344">Is subnet host reservation mode global?</text><!--MD5=[9225881c05e5dcc29801826dc3c4a44b]
entity global--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="205" x="298" y="1980.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="185" x="308" y="2003.7344">Get global host reservation</text><!--MD5=[fb2193611fca68211907294b61bd1772]
entity bySubnet--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="209" x="538" y="1980.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="189" x="548" y="2003.7344">Get subnet host reservation</text><!--MD5=[c13398c59c328d6fcc544c8c17f5b117]
entity return--><rect fill="#FEFECE" filter="url(#fgxgo3z1vpo2)" height="36.4883" style="stroke: #A80036; stroke-width: 1.5;" width="235" x="403" y="2093.1992"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="215" x="413" y="2116.7344">Return current host reservation</text><!--MD5=[4190d3dcd511d21b11bd238065bcb30b]
link entry to setSelected--><path d="M381.5,64.6192 C381.5,80.1592 381.5,102.9792 381.5,119.8592 " fill="none" id="entry-&gt;setSelected" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="381.5,124.8892,385.5,115.8892,381.5,119.8892,377.5,115.8892,381.5,124.8892" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e08d915304835ed62ca4e0728c34eef1]
link setSelected to clientid_lookup--><path d="M381.5,161.6192 C381.5,177.1592 381.5,199.9792 381.5,216.8592 " fill="none" id="setSelected-&gt;clientid_lookup" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="381.5,221.8892,385.5,212.8892,381.5,216.8892,377.5,212.8892,381.5,221.8892" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[6be1f2e9e03fb1c5265b47f0fe05d4fb]
link clientid_lookup to hwaddr_lookup--><path d="M450.66,258.2792 C487.31,270.2592 530.95,289.5492 561.5,319.1992 C589.76,346.6192 605.63,365.0792 592.5,402.1992 C589.19,411.5492 583.15,420.3992 576.84,427.8492 " fill="none" id="clientid_lookup-&gt;hwaddr_lookup" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="573.32,431.8292,582.2724,427.7238,576.6267,428.0788,576.2717,422.4331,573.32,431.8292" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="116" x="591.5" y="342.2676">no client id option</text><!--MD5=[e88e8ce2e61ddfe0f17d6f35f9f4b567]
link clientid_lookup to clientid_iterate--><path d="M339.58,258.2892 C298.95,274.8592 237.46,299.9292 195.27,317.1292 " fill="none" id="clientid_lookup-&gt;clientid_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="190.48,319.0792,200.324,319.3879,195.1105,317.1927,197.3056,311.9792,190.48,319.0792" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[574cfa9865ae5a8c4342d01c24825c76]
link clientid_iterate to clientid_iterate--><path d="M290.1,329.0592 C310.94,330.3392 325,333.0492 325,337.1992 C325,340.9892 313.25,343.5892 295.32,344.9792 " fill="none" id="clientid_iterate-&gt;clientid_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="290.1,345.3392,299.3532,348.7123,295.0882,344.9962,298.8044,340.7312,290.1,345.3392" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="224" x="331" y="342.2676">match-client-id is false or no lease</text><!--MD5=[6bcef6072872efd8a87246b817e1d22e]
link clientid_iterate to found_clientid--><path d="M148.5,355.4892 C148.5,387.8292 148.5,457.3892 148.5,493.0792 " fill="none" id="clientid_iterate-&gt;found_clientid" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="148.5,498.0992,152.5,489.0992,148.5,493.0992,144.5,489.0992,148.5,498.0992" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="84" x="149.5" y="398.7676">found a lease</text><!--MD5=[7615618d548cc7387965d08a49484701]
link found_clientid to hasAddressReservation--><path d="M148.5,534.3592 C148.5,557.7292 148.5,600.8792 148.5,637.6992 C148.5,637.6992 148.5,637.6992 148.5,869.1992 C148.5,915.6592 273.28,934.4692 369.84,942.0692 " fill="none" id="found_clientid-&gt;hasAddressReservation" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="375,942.4692,366.3353,937.7869,370.0149,942.0836,365.7183,945.7631,375,942.4692" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[a2c6bf2befd5a55c13fb7d14d9b0c240]
link clientid_iterate to hwaddr_lookup--><path d="M180.8,355.2592 C209.44,369.7192 252.75,389.9992 292.5,402.1992 C341.2,417.1492 396.54,427.9392 443.77,435.3792 " fill="none" id="clientid_iterate-&gt;hwaddr_lookup" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="448.9,436.1792,440.6245,430.8392,443.9598,435.4082,439.3908,438.7436,448.9,436.1792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="294" x="293.5" y="398.7676">not found by client id, try by hardware address</text><!--MD5=[5a497db9eec20d36442cfd8ff0bb8196]
link hwaddr_lookup to hasAddressReservation--><path d="M660.05,459.9192 C736.51,472.7092 826.5,504.1292 826.5,581.1992 C826.5,581.1992 826.5,581.1992 826.5,869.1992 C826.5,918.2492 692.51,936.4592 591.29,943.2192 " fill="none" id="hwaddr_lookup-&gt;hasAddressReservation" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="586.19,943.5492,595.4238,946.9751,591.1801,943.2347,594.9205,938.9909,586.19,943.5492" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="130" x="827.5" y="756.7676">no hardware address</text><!--MD5=[3e65bd8831bbfab836115278d54dbd54]
link hwaddr_lookup to hwaddr_iterate--><path d="M531,468.4592 C498.37,492.4192 439.49,535.6692 404.91,561.0692 " fill="none" id="hwaddr_lookup-&gt;hwaddr_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="400.82,564.0692,410.4373,561.946,404.8438,561.1013,405.6886,555.5078,400.82,564.0692" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[8827ae6ff5ddcc22e7f77fe98cdf1a45]
link hwaddr_iterate to hwaddr_iterate--><path d="M553.73,573.1792 C574.76,574.8192 588.5,577.8192 588.5,582.1992 C588.5,586.1992 577.02,589.0592 558.99,590.7692 " fill="none" id="hwaddr_iterate-&gt;hwaddr_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="553.73,591.2192,563.0395,594.4337,558.7116,590.791,562.3544,586.4631,553.73,591.2192" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="190" x="594.5" y="587.2676">no lease or client id mismatch</text><!--MD5=[c5ee7e899f7e78ebb49c392f0cd68ce0]
link hwaddr_iterate to found_hwaddr--><path d="M373.28,600.5392 C368.61,619.7692 361.05,650.8292 355.93,671.8592 " fill="none" id="hwaddr_iterate-&gt;found_hwaddr" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="354.69,676.9792,360.6886,669.1679,355.8623,672.1186,352.9116,667.2923,354.69,676.9792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="84" x="367.5" y="643.7676">found a lease</text><!--MD5=[49806d919f2e8f347acf33d16af6c958]
link found_hwaddr to hasAddressReservation--><path d="M359.44,713.4492 C382.5,757.9792 443.99,876.6992 469.34,925.6492 " fill="none" id="found_hwaddr-&gt;hasAddressReservation" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="471.67,930.1592,471.0846,920.3278,469.3713,925.7189,463.9802,924.0056,471.67,930.1592" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[419c32f3c11394d82c4ebd3db00104c7]
link hwaddr_iterate to hasAddressReservation--><path d="M433.87,600.2492 C475.7,616.7892 525.5,646.4992 525.5,694.1992 C525.5,694.1992 525.5,694.1992 525.5,869.1992 C525.5,890.4892 512.76,911.2092 500.84,925.9292 " fill="none" id="hwaddr_iterate-&gt;hasAddressReservation" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="497.51,929.9192,506.343,925.5627,500.7095,926.0769,500.1953,920.4435,497.51,929.9192" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="62" x="526.5" y="803.7676">not found</text><!--MD5=[1a9e971bc87c9d378000ad9b2e367c91]
link hasAddressReservation to setAddressReservation--><path d="M463.31,966.5392 C443.86,986.1792 412.17,1018.1492 391.33,1039.1792 " fill="none" id="hasAddressReservation-&gt;setAddressReservation" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="387.57,1042.9792,396.7481,1039.4066,391.0912,1039.4295,391.0684,1033.7726,387.57,1042.9792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="21" x="432.5" y="1009.7676">yes</text><!--MD5=[d42a4bd24fb375c431deb7abe8a74e17]
link hasAddressReservation to pool--><path d="M497.22,966.4192 C518.88,990.8992 552.33,1037.4392 538.5,1079.1992 C531.33,1100.8692 515.54,1121.4192 502.24,1135.9792 " fill="none" id="hasAddressReservation-&gt;pool" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="498.57,1139.9292,507.6356,1136.0803,501.9821,1136.2744,501.7879,1130.6209,498.57,1139.9292" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="225" x="542.5" y="1066.2676">no or not check in the taken branch</text><!--MD5=[791581dff43cc3b6477c496805383c47]
link setAddressReservation to pool--><path d="M390.42,1079.3992 C409.11,1095.5392 437.07,1119.6992 456.88,1136.7992 " fill="none" id="setAddressReservation-&gt;pool" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="460.73,1140.1192,456.5357,1131.2081,456.9468,1136.85,451.305,1137.2612,460.73,1140.1192" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[7a1241998e61cc09e6a084344a13ee40]
link pool to pool_iterate--><path d="M443.38,1176.3992 C407.82,1192.8792 354.25,1217.7092 317.23,1234.8592 " fill="none" id="pool-&gt;pool_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="312.35,1237.1192,322.1978,1236.9736,316.8885,1235.0212,318.841,1229.712,312.35,1237.1192" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[1c40abd319323f0f8c3e812984d047be]
link pool to allocate--><path d="M562.27,1176.2592 C595.56,1187.6592 630.78,1206.4492 650.5,1237.1992 C659.14,1250.6692 654.47,1257.6992 650.5,1273.1992 C636.28,1328.6892 627.14,1343.9092 588.5,1386.1992 C566.39,1410.3992 535.31,1430.7792 510.89,1444.6292 " fill="none" id="pool-&gt;allocate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="506.41,1447.1392,516.2178,1446.2406,510.7747,1444.7001,512.3152,1439.2571,506.41,1447.1392" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="205" x="642.5" y="1316.7676">pool check is not in all branches</text><!--MD5=[f92712dd8e32c9acdf8619de922fc5cb]
link pool_iterate to pool_iterate--><path d="M410.12,1246.9692 C430.88,1248.2192 445,1250.9592 445,1255.1992 C445,1259.0792 433.2,1261.6992 415.32,1263.0692 " fill="none" id="pool_iterate-&gt;pool_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="410.12,1263.4292,419.3732,1266.8023,415.1082,1263.0862,418.8244,1258.8212,410.12,1263.4292" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="193" x="451" y="1260.2676">address not in an allowed pool</text><!--MD5=[89f40702130c31205e20b7afecbe9ed1]
link pool_iterate to inAllowedPool--><path d="M275.5,1273.5392 C275.5,1292.7692 275.5,1323.8292 275.5,1344.8592 " fill="none" id="pool_iterate-&gt;inAllowedPool" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="275.5,1349.9792,279.5,1340.9792,275.5,1344.9792,271.5,1340.9792,275.5,1349.9792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="168" x="276.5" y="1316.7676">address in an allowed pool</text><!--MD5=[03b0dcad835fe04723134b797eb9a319]
link pool_iterate to allocate--><path d="M375.89,1273.2492 C408.78,1280.8692 439.69,1290.9192 450.5,1303.1992 C484.66,1341.9792 481.2,1407.7092 476.46,1441.9492 " fill="none" id="pool_iterate-&gt;allocate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="475.7,1447.1692,480.9697,1438.8487,476.4291,1442.2227,473.0552,1437.6821,475.7,1447.1692" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="100" x="479.5" y="1373.2676">no allowed pool</text><!--MD5=[27c03cbbcf5b4bbc0f83ff469240ee91]
link inAllowedPool to allocate--><path d="M311.18,1386.3992 C345.34,1402.8792 396.82,1427.7092 432.4,1444.8592 " fill="none" id="inAllowedPool-&gt;allocate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="437.09,1447.1192,430.7227,1439.6054,432.5869,1444.9463,427.246,1446.8104,437.09,1447.1192" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[c7ed7f8e85efd784aa0446a03842ecad]
link allocate to allocate_iterate--><path d="M393.3,1481.6592 C375.37,1488.5992 357.97,1498.6492 345.5,1513.1992 C335.73,1524.5992 332.59,1541.3292 331.83,1554.8292 " fill="none" id="allocate-&gt;allocate_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="331.65,1560.0092,335.9813,1551.1639,331.8356,1555.0127,327.9868,1550.867,331.65,1560.0092" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="240" x="346.5" y="1526.7676">start from preferred (last used) subnet</text><!--MD5=[b4b32474e67014a0ea8b9d2dcb8b921b]
link allocate to getHRmode--><path d="M551.57,1482.2592 C567.28,1489.1692 581.88,1499.0592 591.5,1513.1992 C647.03,1594.8392 571.65,1717.1292 536.65,1765.9492 " fill="none" id="allocate-&gt;getHRmode" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="533.6,1770.1692,542.1109,1765.2129,536.5264,1766.1151,535.6242,1760.5306,533.6,1770.1692" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="198" x="605.5" y="1639.7676">allocation is not in all branches</text><!--MD5=[5d722979ddb74375b031e6d5bd55f242]
link allocate_iterate to allocate_iterate--><path d="M433.25,1568.1192 C453.52,1569.2292 468,1572.5892 468,1578.1992 C468,1583.3192 455.9,1586.5692 438.34,1587.9492 " fill="none" id="allocate_iterate-&gt;allocate_iterate" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="433.25,1588.2792,442.4936,1591.6787,438.2392,1587.9504,441.9675,1583.696,433.25,1588.2792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="97" x="474" y="1583.2676">no free address</text><!--MD5=[0a74e69bd975a88dffe2300213585d86]
link allocate_iterate to allocated--><path d="M343.59,1596.5392 C356.05,1616.0092 376.26,1647.6192 389.72,1668.6592 " fill="none" id="allocate_iterate-&gt;allocated" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="392.48,1672.9792,390.9779,1663.2456,389.7762,1668.7733,384.2485,1667.5716,392.48,1672.9792" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="129" x="373.5" y="1639.7676">found a free address</text><!--MD5=[1be0f2f74e199399aa4e09476dce36f7]
link allocated to getHRmode--><path d="M424.69,1709.3992 C444.57,1725.5392 474.31,1749.6992 495.38,1766.7992 " fill="none" id="allocated-&gt;getHRmode" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="499.47,1770.1192,494.9879,1761.3494,495.5824,1766.9749,489.9569,1767.5694,499.47,1770.1192" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[9e14dd0054774aedb71cf602d40d12b7]
link getHRmode to checkHRmode--><path d="M520.5,1806.6192 C520.5,1822.1592 520.5,1844.9792 520.5,1861.8592 " fill="none" id="getHRmode-&gt;checkHRmode" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="520.5,1866.8892,524.5,1857.8892,520.5,1861.8892,516.5,1857.8892,520.5,1866.8892" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[a84b25cfb30efcca4b707749deb6e97a]
link checkHRmode to global--><path d="M502.01,1903.2992 C480.76,1922.9592 445.87,1955.2292 423.04,1976.3492 " fill="none" id="checkHRmode-&gt;global" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="419.21,1979.8992,428.5379,1976.7384,422.8857,1976.5096,423.1145,1970.8574,419.21,1979.8992" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="21" x="468.5" y="1946.7676">yes</text><!--MD5=[a6bc61640de244f08df3cca17a4f2365]
link checkHRmode to bySubnet--><path d="M539.3,1903.2992 C560.9,1922.9592 596.37,1955.2292 619.58,1976.3492 " fill="none" id="checkHRmode-&gt;bySubnet" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="623.48,1979.8992,619.5026,1970.8892,619.7771,1976.5394,614.1269,1976.8139,623.48,1979.8992" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="16" x="589.5" y="1946.7676">no</text><!--MD5=[b516e9f33f07fd0923019528919312cb]
link global to return--><path d="M397.59,2016.3892 C396.2,2030.3392 396.61,2049.8292 406.5,2063.1992 C415.42,2075.2592 428,2084.2392 441.56,2090.9292 " fill="none" id="global-&gt;return" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="446.2,2093.1092,439.7564,2085.6607,441.6749,2090.9823,436.3533,2092.9008,446.2,2093.1092" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="187" x="407.5" y="2059.7676">return global host reservation</text><!--MD5=[31ce4acb5044d12c75fb908f2994650f]
link bySubnet to return--><path d="M633.84,2016.2092 C626.18,2030.0592 613.99,2049.4892 599.5,2063.1992 C588.25,2073.8392 574.18,2083.1692 561.05,2090.6492 " fill="none" id="bySubnet-&gt;return" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="556.63,2093.1192,566.4378,2092.2206,560.9947,2090.6801,562.5352,2085.2371,556.63,2093.1192" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="191" x="614.5" y="2059.7676">return subnet host reservation</text><text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacingAndGlyphs" textLength="622" x="164.75" y="2150.3555">Only the initial lookup is always performed: other occasions to change the subnet so the current host are only in some branches</text><!--MD5=[84940467d5c8b64b9d1a8ec6eb53bf6f]
@startuml

title currentHost DHCPv4 (Kea 1.8.0)

agent "Subnet Selection" as entry

agent "Set subnet to the selected subnet" as setSelected

agent "Has client a lease for its client id?" as clientid_lookup

agent "Iterate on allowed subnets for client id" as clientid_iterate

agent "Set subnet to the by client id lease" as found_clientid

agent "Has client a matching lease?" as hwaddr_lookup

agent "Iterate on allowed subnets for hardware address" as hwaddr_iterate

agent "Set subnet to the matching lease" as found_hwaddr

agent "Has an address reservation?" as hasAddressReservation

agent "Set subnet to address reservation subnet" as setAddressReservation

agent "Is the address in an allowed pool?" as pool

agent "Iterate on allowed subnets with pool" as pool_iterate

agent "Set subnet to address pool subnet" as inAllowedPool

agent "Allocate a new lease" as allocate

agent "Iterate on allowed subnets" as allocate_iterate

agent "Set subnet to allocated lease subnet" as allocated

agent "Get subnet host reservation mode" as getHRmode

agent "Is subnet host reservation mode global?" as checkHRmode

agent "Get global host reservation" as global

agent "Get subnet host reservation" as bySubnet

agent "Return current host reservation" as return

entry - -> setSelected
setSelected - -> clientid_lookup
clientid_lookup - - -> hwaddr_lookup : no client id option
clientid_lookup - -> clientid_iterate
clientid_iterate -> clientid_iterate : match-client-id is false or no lease
clientid_iterate - -> found_clientid : found a lease
found_clientid - - - -> hasAddressReservation
clientid_iterate - -> hwaddr_lookup : not found by client id, try by hardware address
hwaddr_lookup - - -> hasAddressReservation : no hardware address
hwaddr_lookup - -> hwaddr_iterate
hwaddr_iterate -> hwaddr_iterate : no lease or client id mismatch
hwaddr_iterate - -> found_hwaddr : found a lease
found_hwaddr - - - -> hasAddressReservation
hwaddr_iterate - -> hasAddressReservation : not found
hasAddressReservation - -> setAddressReservation : yes
hasAddressReservation - -> pool : no or not check in the taken branch
setAddressReservation - -> pool
pool - -> pool_iterate
pool - - -> allocate : pool check is not in all branches
pool_iterate -> pool_iterate : address not in an allowed pool
pool_iterate - -> inAllowedPool : address in an allowed pool
pool_iterate - - -> allocate : no allowed pool
inAllowedPool - -> allocate
allocate - -> allocate_iterate : start from preferred (last used) subnet
allocate - - -> getHRmode : allocation is not in all branches
allocate_iterate -> allocate_iterate : no free address
allocate_iterate - -> allocated : found a free address
allocated - -> getHRmode
getHRmode - -> checkHRmode
checkHRmode - -> global : yes
checkHRmode - -> bySubnet : no
global - -> return : return global host reservation
bySubnet - -> return : return subnet host reservation

footer Only the initial lookup is always performed: other occasions to change the subnet so the current host are only in some branches

@enduml

PlantUML version 1.2020.15(Sun Jun 28 13:39:45 CEST 2020)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Default Encoding: UTF-8
Language: en
Country: US
--></g></svg>