Adding upstream version 2.5.7.upstream/2.5.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 301 insertions, 0 deletions

diff --git a/doc/sphinx/uml/currentHost4.svg b/doc/sphinx/uml/currentHost4.svg
new file mode 100644
index 0000000..58ed82e
--- /dev/null
+++ b/doc/sphinx/uml/currentHost4.svg
@@ -0,0 +1,301 @@
+<?xml version="1.0" encoding="us-ascii" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="2256px" preserveAspectRatio="none" style="width:944px;height:2256px;background:#FFFFFF;" version="1.1" viewBox="0 0 944 2256" width="944px" zoomAndPan="magnify">
+  <defs/>
+  <g>
+    <text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacing" textLength="218" x="356.25" y="24.9659">currentHost DHCPv4 (Kea 1.8.0)</text>
+    <!--entity entry-->
+    <g id="elem_entry">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="133" x="301" y="47.0679"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="113" x="311" y="72.0339">Subnet Selection</text>
+    </g>
+    <!--entity setSelected-->
+    <g id="elem_setSelected">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="246" x="244.5" y="147.1379"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="226" x="254.5" y="172.1039">Set subnet to the selected subnet</text>
+    </g>
+    <!--entity clientid_lookup-->
+    <g id="elem_clientid_lookup">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="244" x="245.5" y="247.2079"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="224" x="255.5" y="272.1739">Has client a lease for its client id?</text>
+    </g>
+    <!--entity clientid_iterate-->
+    <g id="elem_clientid_iterate">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="281" x="7" y="347.2779"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="261" x="17" y="372.2439">Iterate on allowed subnets for client id</text>
+    </g>
+    <!--entity found_clientid-->
+    <g id="elem_found_clientid">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="252" x="21.5" y="534.4079"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="232" x="31.5" y="559.3739">Set subnet to the by client id lease</text>
+    </g>
+    <!--entity hwaddr_lookup-->
+    <g id="elem_hwaddr_lookup">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="211" x="429" y="465.3379"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="191" x="439" y="490.3039">Has client a matching lease?</text>
+    </g>
+    <!--entity hwaddr_iterate-->
+    <g id="elem_hwaddr_iterate">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="350" x="200.5" y="603.4779"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="330" x="210.5" y="628.4439">Iterate on allowed subnets for hardware address</text>
+    </g>
+    <!--entity found_hwaddr-->
+    <g id="elem_found_hwaddr">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="242" x="227.5" y="721.5479"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="222" x="237.5" y="746.5139">Set subnet to the matching lease</text>
+    </g>
+    <!--entity hasAddressReservation-->
+    <g id="elem_hasAddressReservation">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="210" x="373.5" y="981.6079"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="190" x="383.5" y="1006.5739">Has an address reservation?</text>
+    </g>
+    <!--entity setAddressReservation-->
+    <g id="elem_setAddressReservation">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="298" x="220.5" y="1099.6779"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="278" x="230.5" y="1124.6439">Set subnet to address reservation subnet</text>
+    </g>
+    <!--entity pool-->
+    <g id="elem_pool">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="249" x="354" y="1199.7479"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="229" x="364" y="1224.7139">Is the address in an allowed pool?</text>
+    </g>
+    <!--entity pool_iterate-->
+    <g id="elem_pool_iterate">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="266" x="146.5" y="1299.8179"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="246" x="156.5" y="1324.7839">Iterate on allowed subnets with pool</text>
+    </g>
+    <!--entity inAllowedPool-->
+    <g id="elem_inAllowedPool">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="251" x="154" y="1417.8879"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="231" x="164" y="1442.8539">Set subnet to address pool subnet</text>
+    </g>
+    <!--entity allocate-->
+    <g id="elem_allocate">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="156" x="396.5" y="1517.9479"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="136" x="406.5" y="1542.9139">Allocate a new lease</text>
+    </g>
+    <!--entity allocate_iterate-->
+    <g id="elem_allocate_iterate">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="200" x="237.5" y="1636.0179"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="180" x="247.5" y="1660.9839">Iterate on allowed subnets</text>
+    </g>
+    <!--entity allocated-->
+    <g id="elem_allocated">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="264" x="273.5" y="1754.0879"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="244" x="283.5" y="1779.0539">Set subnet to allocated lease subnet</text>
+    </g>
+    <!--entity getHRmode-->
+    <g id="elem_getHRmode">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="249" x="395" y="1854.1579"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="229" x="405" y="1879.1239">Get subnet host reservation mode</text>
+    </g>
+    <!--entity checkHRmode-->
+    <g id="elem_checkHRmode">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="290" x="374.5" y="1954.2279"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="270" x="384.5" y="1979.1939">Is subnet host reservation mode global?</text>
+    </g>
+    <!--entity global-->
+    <g id="elem_global">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="202" x="298.5" y="2072.2879"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="182" x="308.5" y="2097.2539">Get global host reservation</text>
+    </g>
+    <!--entity bySubnet-->
+    <g id="elem_bySubnet">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="207" x="536" y="2072.2879"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="187" x="546" y="2097.2539">Get subnet host reservation</text>
+    </g>
+    <!--entity return-->
+    <g id="elem_return">
+      <rect fill="#F1F1F1" height="39.0679" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="233" x="402" y="2190.3579"/>
+      <text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="213" x="412" y="2215.3239">Return current host reservation</text>
+    </g>
+    <!--link entry to setSelected-->
+    <g id="link_entry_setSelected">
+      <path d="M367.5,86.5079 C367.5,101.8379 367.5,123.5879 367.5,140.4079 " fill="none" id="entry-to-setSelected" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="367.5,145.3079,371.5,136.3079,367.5,140.3079,363.5,136.3079,367.5,145.3079" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link setSelected to clientid_lookup-->
+    <g id="link_setSelected_clientid_lookup">
+      <path d="M367.5,186.5779 C367.5,201.9079 367.5,223.6579 367.5,240.4779 " fill="none" id="setSelected-to-clientid_lookup" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="367.5,245.3779,371.5,236.3779,367.5,240.3779,363.5,236.3779,367.5,245.3779" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link clientid_lookup to hwaddr_lookup-->
+    <g id="link_clientid_lookup_hwaddr_lookup">
+      <path d="M432.71,286.6579 C466.61,299.2479 506.66,318.7979 534.5,347.2779 C563.51,376.9479 577.14,395.5079 565.5,435.3379 C562.95,444.0779 558.29,452.7279 553.35,460.2679 " fill="none" id="clientid_lookup-to-hwaddr_lookup" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="550.77,464.0379,559.1444,458.8543,553.5862,459.9065,552.5341,454.3483,550.77,464.0379" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="108" x="564.5" y="372.2049">no client id option</text>
+    </g>
+    <!--link clientid_lookup to clientid_iterate-->
+    <g id="link_clientid_lookup_clientid_iterate">
+      <path d="M324.82,286.7679 C287.78,303.2779 234.2,327.1579 195.64,344.3479 " fill="none" id="clientid_lookup-to-clientid_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="191.44,346.2179,201.2889,346.2122,196.0079,344.1846,198.0355,338.9036,191.44,346.2179" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link clientid_iterate to clientid_iterate-->
+    <g id="link_clientid_iterate_clientid_iterate">
+      <path d="M288.3,358.3179 C309.02,359.6579 323,362.4879 323,366.8079 C323,370.6879 311.71,373.3679 294.4,374.8379 " fill="none" id="clientid_iterate-to-clientid_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="289.81,375.1879,299.0823,378.5082,294.7962,374.8165,298.488,370.5303,289.81,375.1879" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="199" x="329" y="372.2049">match-client-id is false or no lease</text>
+    </g>
+    <!--link clientid_iterate to found_clientid-->
+    <g id="link_clientid_iterate_found_clientid">
+      <path d="M147.5,386.5779 C147.5,420.1179 147.5,490.3479 147.5,527.9379 " fill="none" id="clientid_iterate-to-found_clientid" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="147.5,532.6079,151.5,523.6079,147.5,527.6079,143.5,523.6079,147.5,532.6079" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="79" x="148.5" y="431.2349">found a lease</text>
+    </g>
+    <!--link found_clientid to hasAddressReservation-->
+    <g id="link_found_clientid_hasAddressReservation">
+      <path d="M147.5,573.7479 C147.5,598.3879 147.5,642.9479 147.5,681.0479 C147.5,681.0479 147.5,681.0479 147.5,920.6079 C147.5,966.8079 270.91,986.2379 367.03,994.3679 " fill="none" id="found_clientid-to-hasAddressReservation" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="371.81,994.7679,363.1721,990.0364,366.8272,994.3539,362.5097,998.0089,371.81,994.7679" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link clientid_iterate to hwaddr_lookup-->
+    <g id="link_clientid_iterate_hwaddr_lookup">
+      <path d="M182.5,386.8379 C215.25,404.3879 261.96,428.6879 281.5,435.3379 C326.59,450.6879 377.94,461.6679 422.55,469.2579 " fill="none" id="clientid_iterate-to-hwaddr_lookup" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="427.3,470.0579,419.0851,464.625,422.3688,469.2313,417.7626,472.515,427.3,470.0579" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="278" x="282.5" y="431.2349">not found by client id, try by hardware address</text>
+    </g>
+    <!--link hwaddr_lookup to hasAddressReservation-->
+    <g id="link_hwaddr_lookup_hasAddressReservation">
+      <path d="M640.43,496.0879 C717.9,510.0979 809.5,543.2979 809.5,622.0079 C809.5,622.0079 809.5,622.0079 809.5,920.6079 C809.5,966.8079 686.09,986.2379 589.97,994.3679 " fill="none" id="hwaddr_lookup-to-hasAddressReservation" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="585.19,994.7679,594.4903,998.0089,590.1728,994.3539,593.8279,990.0364,585.19,994.7679" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="126" x="810.5" y="805.5049">no hardware address</text>
+    </g>
+    <!--link hwaddr_lookup to hwaddr_iterate-->
+    <g id="link_hwaddr_lookup_hwaddr_iterate">
+      <path d="M512.39,504.8079 C483.64,529.4279 433.44,572.4079 402.47,598.9179 " fill="none" id="hwaddr_lookup-to-hwaddr_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="398.83,602.0379,408.2726,599.2383,402.6333,598.7922,403.0794,593.153,398.83,602.0379" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link hwaddr_iterate to hwaddr_iterate-->
+    <g id="link_hwaddr_iterate_hwaddr_iterate">
+      <path d="M550.89,613.4979 C571.83,615.2279 585.5,618.3979 585.5,623.0079 C585.5,627.1579 574.46,630.1379 557.04,631.9479 " fill="none" id="hwaddr_iterate-to-hwaddr_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="552.4,632.3879,561.7285,635.547,557.379,631.9301,560.9959,627.5806,552.4,632.3879" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="176" x="591.5" y="628.4049">no lease or client id mismatch</text>
+    </g>
+    <!--link hwaddr_iterate to found_hwaddr-->
+    <g id="link_hwaddr_iterate_found_hwaddr">
+      <path d="M371.1,642.9179 C366.53,662.5579 359.36,693.3979 354.32,715.0579 " fill="none" id="hwaddr_iterate-to-found_hwaddr" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="353.24,719.7079,359.168,711.8429,354.3685,714.8369,351.3745,710.0374,353.24,719.7079" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="79" x="365.5" y="687.4449">found a lease</text>
+    </g>
+    <!--link found_hwaddr to hasAddressReservation-->
+    <g id="link_found_hwaddr_hasAddressReservation">
+      <path d="M358.06,761.0579 C381.21,807.0079 440.27,924.2479 466.09,975.5179 " fill="none" id="found_hwaddr-to-hasAddressReservation" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="468.25,979.7879,467.7902,969.9498,466.0082,975.3186,460.6394,973.5366,468.25,979.7879" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link hwaddr_iterate to hasAddressReservation-->
+    <g id="link_hwaddr_iterate_hasAddressReservation">
+      <path d="M432.33,643.0379 C473.7,660.8879 522.5,692.1179 522.5,740.0779 C522.5,740.0779 522.5,740.0779 522.5,920.6079 C522.5,941.1679 511.11,961.3979 499.91,976.3179 " fill="none" id="hwaddr_iterate-to-hasAddressReservation" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="497.07,979.9679,505.7564,975.326,500.1427,976.0235,499.4452,970.4098,497.07,979.9679" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="60" x="523.5" y="854.5049">not found</text>
+    </g>
+    <!--link hasAddressReservation to setAddressReservation-->
+    <g id="link_hasAddressReservation_setAddressReservation">
+      <path d="M460.74,1021.0579 C441.9,1041.1179 412.09,1072.8679 391.7,1094.5779 " fill="none" id="hasAddressReservation-to-setAddressReservation" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="388.28,1098.2079,397.3611,1094.3956,391.7068,1094.5669,391.5355,1088.9127,388.28,1098.2079" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="20" x="431.5" y="1065.5749">yes</text>
+    </g>
+    <!--link hasAddressReservation to pool-->
+    <g id="link_hasAddressReservation_pool">
+      <path d="M495.7,1020.7579 C517.49,1046.6879 550.63,1095.3879 536.5,1138.7479 C529.65,1159.7679 514.91,1179.8579 502,1194.5879 " fill="none" id="hasAddressReservation-to-pool" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="498.72,1198.2379,507.7062,1194.207,502.0577,1194.5151,501.7496,1188.8666,498.72,1198.2379" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="212" x="540.5" y="1124.6149">no or not check in the taken branch</text>
+    </g>
+    <!--link setAddressReservation to pool-->
+    <g id="link_setAddressReservation_pool">
+      <path d="M390.52,1139.1279 C408.31,1155.1279 433.88,1178.1379 452.87,1195.2279 " fill="none" id="setAddressReservation-to-pool" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="456.42,1198.4179,452.4062,1189.4241,452.7035,1195.0731,447.0545,1195.3704,456.42,1198.4179" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link pool to pool_iterate-->
+    <g id="link_pool_pool_iterate">
+      <path d="M440.13,1239.1879 C406.79,1255.6179 358.5,1279.4179 323.58,1296.6279 " fill="none" id="pool-to-pool_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="319.45,1298.6679,329.2909,1298.271,323.9335,1296.4547,325.7497,1291.0974,319.45,1298.6679" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link pool to allocate-->
+    <g id="link_pool_allocate">
+      <path d="M557.89,1239.2379 C589.58,1251.1179 622.9,1270.0379 641.5,1299.8179 C650.7,1314.5379 645.43,1321.9679 641.5,1338.8879 C628.27,1395.8279 621.1,1412.1779 583.5,1456.9479 C564.11,1480.0379 536.68,1500.0079 514.18,1514.1679 " fill="none" id="pool-to-allocate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="510.16,1516.6579,519.9161,1515.3094,514.408,1514.0207,515.6966,1508.5126,510.16,1516.6579" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="188" x="634.5" y="1383.7849">pool check is not in all branches</text>
+    </g>
+    <!--link pool_iterate to pool_iterate-->
+    <g id="link_pool_iterate_pool_iterate">
+      <path d="M412.93,1310.7779 C433.5,1312.0679 447.5,1314.9279 447.5,1319.3479 C447.5,1323.3279 436.2,1326.0379 418.99,1327.4879 " fill="none" id="pool_iterate-to-pool_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="414.44,1327.8179,423.7123,1331.1382,419.4262,1327.4465,423.118,1323.1603,414.44,1327.8179" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="182" x="453.5" y="1324.7449">address not in an allowed pool</text>
+    </g>
+    <!--link pool_iterate to inAllowedPool-->
+    <g id="link_pool_iterate_inAllowedPool">
+      <path d="M279.5,1339.2579 C279.5,1358.8179 279.5,1389.4779 279.5,1411.1179 " fill="none" id="pool_iterate-to-inAllowedPool" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="279.5,1416.0079,283.5,1407.0079,279.5,1411.0079,275.5,1407.0079,279.5,1416.0079" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="158" x="280.5" y="1383.7849">address in an allowed pool</text>
+    </g>
+    <!--link pool_iterate to allocate-->
+    <g id="link_pool_iterate_allocate">
+      <path d="M405.43,1339.2479 C421.34,1346.3379 436.03,1355.9279 447.5,1368.8879 C482.63,1408.5679 481.73,1475.1879 478.08,1511.3279 " fill="none" id="pool_iterate-to-allocate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="477.55,1516.2079,482.5033,1507.6953,478.0928,1511.2375,474.5506,1506.8269,477.55,1516.2079" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="95" x="479.5" y="1442.8149">no allowed pool</text>
+    </g>
+    <!--link inAllowedPool to allocate-->
+    <g id="link_inAllowedPool_allocate">
+      <path d="M317.1,1457.3279 C349.64,1473.6879 396.7,1497.3579 430.89,1514.5579 " fill="none" id="inAllowedPool-to-allocate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="435.33,1516.7879,429.0787,1509.1773,430.8607,1514.5461,425.4919,1516.3281,435.33,1516.7879" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link allocate to allocate_iterate-->
+    <g id="link_allocate_allocate_iterate">
+      <path d="M399.66,1557.3979 C383.63,1564.4479 368.06,1574.0279 356.5,1587.0179 C346.18,1598.6179 341.42,1615.4079 339.25,1629.3479 " fill="none" id="allocate-to-allocate_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="338.63,1634.0279,343.778,1625.6316,339.2871,1629.0713,335.8474,1624.5803,338.63,1634.0279" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="228" x="357.5" y="1601.9149">start from preferred (last used) subnet</text>
+    </g>
+    <!--link allocate to getHRmode-->
+    <g id="link_allocate_getHRmode">
+      <path d="M552.86,1556.5279 C567.72,1563.5779 581.43,1573.3879 590.5,1587.0179 C646.76,1671.5379 572.93,1796.9279 537.05,1848.8479 " fill="none" id="allocate-to-getHRmode" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="534.36,1852.6879,542.7993,1847.6107,537.2283,1848.5924,536.2465,1843.0214,534.36,1852.6879" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="182" x="605.5" y="1719.9849">allocation is not in all branches</text>
+    </g>
+    <!--link allocate_iterate to allocate_iterate-->
+    <g id="link_allocate_iterate_allocate_iterate">
+      <path d="M437.88,1644.9279 C458.07,1646.0979 472.5,1649.6479 472.5,1655.5579 C472.5,1660.8179 461.06,1664.2079 444.29,1665.7079 " fill="none" id="allocate_iterate-to-allocate_iterate" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="439.39,1666.0679,448.6623,1669.3882,444.3762,1665.6965,448.068,1661.4103,439.39,1666.0679" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="92" x="478.5" y="1660.9549">no free address</text>
+    </g>
+    <!--link allocate_iterate to allocated-->
+    <g id="link_allocate_iterate_allocated">
+      <path d="M348.58,1675.4579 C360.18,1695.2779 378.46,1726.4779 391.17,1748.1579 " fill="none" id="allocate_iterate-to-allocated" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="393.66,1752.4179,392.5601,1742.6307,391.1318,1748.1042,385.6582,1746.6758,393.66,1752.4179" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="122" x="377.5" y="1719.9849">found a free address</text>
+    </g>
+    <!--link allocated to getHRmode-->
+    <g id="link_allocated_getHRmode">
+      <path d="M427.48,1793.5279 C446.09,1809.5379 472.83,1832.5479 492.69,1849.6279 " fill="none" id="allocated-to-getHRmode" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="496.44,1852.8479,492.2264,1843.9459,492.6498,1849.5869,487.0088,1850.0103,496.44,1852.8479" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link getHRmode to checkHRmode-->
+    <g id="link_getHRmode_checkHRmode">
+      <path d="M519.5,1893.5979 C519.5,1908.9279 519.5,1930.6779 519.5,1947.4979 " fill="none" id="getHRmode-to-checkHRmode" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="519.5,1952.3979,523.5,1943.3979,519.5,1947.3979,515.5,1943.3979,519.5,1952.3979" style="stroke:#181818;stroke-width:1.0;"/>
+    </g>
+    <!--link checkHRmode to global-->
+    <g id="link_checkHRmode_global">
+      <path d="M499.95,1993.6679 C479.12,2013.8179 446.11,2045.7479 423.66,2067.4579 " fill="none" id="checkHRmode-to-global" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="420.13,2070.8779,429.3782,2067.4911,423.7221,2067.3999,423.8133,2061.7437,420.13,2070.8779" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="20" x="467.5" y="2038.1849">yes</text>
+    </g>
+    <!--link checkHRmode to bySubnet-->
+    <g id="link_checkHRmode_bySubnet">
+      <path d="M539.05,1993.6679 C559.88,2013.8179 592.89,2045.7479 615.34,2067.4579 " fill="none" id="checkHRmode-to-bySubnet" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="618.87,2070.8779,615.1867,2061.7437,615.2779,2067.3999,609.6218,2067.4911,618.87,2070.8779" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="16" x="587.5" y="2038.1849">no</text>
+    </g>
+    <!--link global to return-->
+    <g id="link_global_return">
+      <path d="M398,2111.5979 C397.82,2126.2979 399.86,2146.5079 410.5,2160.3579 C419.21,2171.6979 431.16,2180.4579 443.95,2187.2079 " fill="none" id="global-to-return" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="448.12,2189.2979,441.859,2181.6953,443.6479,2187.0618,438.2813,2188.8507,448.12,2189.2979" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="179" x="411.5" y="2156.2549">return global host reservation</text>
+    </g>
+    <!--link bySubnet to return-->
+    <g id="link_bySubnet_return">
+      <path d="M630.17,2111.5779 C622.32,2126.0679 610.05,2146.0179 595.5,2160.3579 C585.35,2170.3579 572.79,2179.3379 560.79,2186.7779 " fill="none" id="bySubnet-to-return" style="stroke:#181818;stroke-width:1.0;"/>
+      <polygon fill="#181818" points="556.61,2189.2979,566.3825,2188.0735,560.8912,2186.715,562.2497,2181.2237,556.61,2189.2979" style="stroke:#181818;stroke-width:1.0;"/>
+      <text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="184" x="611.5" y="2156.2549">return subnet host reservation</text>
+    </g>
+    <text fill="#888888" font-family="sans-serif" font-size="10" lengthAdjust="spacing" textLength="620" x="155.25" y="2245.1158">Only the initial lookup is always performed: other occasions to change the subnet so the current host are only in some branches</text>
+    <!--SRC=[bLR1Rjim3BtxAuYUMc0fDc27eOSEnGOinGuhsWye59k9XJfI82aDylUZH5cMR2TfBuP4yZrIbFHa9rs7KE-DGUMMsZhulVprzFuThl-YW6-tFsw_tbILs90NhbxsAuKENh33sacjha1O88yv3Y7ajnpcDBWMmOPeRA8vO2owbsXEo2NPwqxwiO0EXKLOQmFI9RDiVWOqJsNpscdzjjybXaU7HZW4hK1qdJwad3Om9PQIH3Bgp0fMnm7BbGM6jTwhvhNdcL_7LhYwbMh3C2w_FOYcCPyilXMcEGY3uB5eRSvqUGLb6Ldrp53KBbIV0-Y3vbtuhOwb2_l0lkV1TIBl3Cde29oXUhIXxfv3gb1MxCjEwuxhyQEFTF0WNHk24-f2q_h4FZIlMge7fdxACtjRxLCBK7Z8cYoYumCr5l6NgejXyJJc1IPNWluPeAs_t_b-R7N3XMxGBP_zBD-1SoZOT7ebuZRKBTPl8xnFop4J0iuOV1-fCeIlZYm-2V2CRczKhrpp81DYgYf852mMzuNmPEFW6ylAQ4un55HSNhW3fJDjqBjmYAV0-wdSZ0qm4qJyuUOksB6W599khkXepqaJA7VO_nak8YlbYQY2eTVMQkHUyEfcx_Si_RGHBcR8vV8B-CwJPQnVLOa_dPrxV15-FnR3SWgJ0ERb-vC_3h2LDZHzmf1woeuJ7OtES_sS8JwzzDZLQZuYdkbPx17j6LHGjj23S98SNsAlj5vudNX31IiZ53LYFa5FKWMcVfRw7wraxYM9iWLZJ6H3LXc4C6QYWdCE674IGQ_BFRHy54PeWXTwdU4lOyl2bIw3Izuyk4get9ejmJfXQ5EDtiBEu1f9lnguxWJfrzvYSnDbCESXeYJGVX7iyPjmeekJjFEbqAhM1eTBDOLbk5n2Pb6ieiDBCfGS131x8x8nO_YTu2CxTlRA7-gjOgXtiBgJEGvEl3PL8fW3dNXpAhhDcfe0_rHt33T2AkaaqKV5aVwfFOWZ_IAWeH-qBJPte2dGWAvhOOd3-gUwReNQ8Fy8SohBlsJ5m-MLJVjCj95MRt7OoVy0]-->
+  </g>
+</svg>