prosody
e77bf4222fae
spec/util_ip_spec.lua

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spec/util_ip_spec.lua @ 10228:e77bf4222fae

net.server_epoll: Add support for opportunistic writes This tries to flush data to the underlying sockets when receiving writes. This should lead to fewer timer objects being around. On the other hand, this leads to more and smaller writes which may translate to more TCP/IP packets being sent, depending on how the kernel handles this. This trades throughput for lower latency.
author Kim Alvefur <zash@zash.se>
date Wed, 28 Aug 2019 01:41:00 +0200
parent 8236:4878e4159e12
child 12934:c6dffebab2f8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8236
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1
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2 local ip = require "util.ip";
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3
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4 local new_ip = ip.new_ip;
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5 local match = ip.match;
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6 local parse_cidr = ip.parse_cidr;
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7 local commonPrefixLength = ip.commonPrefixLength;
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8
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9 describe("util.ip", function()
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10 describe("#match()", function()
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11 it("should work", function()
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12 local _ = new_ip;
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13 local ip = _"10.20.30.40";
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14 assert.are.equal(match(ip, _"10.0.0.0", 8), true);
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15 assert.are.equal(match(ip, _"10.0.0.0", 16), false);
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16 assert.are.equal(match(ip, _"10.0.0.0", 24), false);
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17 assert.are.equal(match(ip, _"10.0.0.0", 32), false);
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18
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19 assert.are.equal(match(ip, _"10.20.0.0", 8), true);
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20 assert.are.equal(match(ip, _"10.20.0.0", 16), true);
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21 assert.are.equal(match(ip, _"10.20.0.0", 24), false);
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22 assert.are.equal(match(ip, _"10.20.0.0", 32), false);
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23
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24 assert.are.equal(match(ip, _"0.0.0.0", 32), false);
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25 assert.are.equal(match(ip, _"0.0.0.0", 0), true);
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26 assert.are.equal(match(ip, _"0.0.0.0"), false);
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27
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28 assert.are.equal(match(ip, _"10.0.0.0", 255), false, "excessive number of bits");
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29 assert.are.equal(match(ip, _"10.0.0.0", -8), true, "negative number of bits");
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30 assert.are.equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits");
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31 assert.are.equal(match(ip, _"10.0.0.0", 0), true, "zero bits");
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32 assert.are.equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)");
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33 assert.are.equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)");
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34
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35 assert.are.equal(match(_"127.0.0.1", _"127.0.0.1"), true, "simple ip");
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36
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37 assert.are.equal(match(_"8.8.8.8", _"8.8.0.0", 16), true);
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38 assert.are.equal(match(_"8.8.4.4", _"8.8.0.0", 16), true);
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39 end);
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40 end);
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41
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42 describe("#parse_cidr()", function()
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43 it("should work", function()
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44 assert.are.equal(new_ip"0.0.0.0", new_ip"0.0.0.0")
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45
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46 local function assert_cidr(cidr, ip, bits)
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47 local parsed_ip, parsed_bits = parse_cidr(cidr);
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48 assert.are.equal(new_ip(ip), parsed_ip, cidr.." parsed ip is "..ip);
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49 assert.are.equal(bits, parsed_bits, cidr.." parsed bits is "..tostring(bits));
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50 end
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51 assert_cidr("0.0.0.0", "0.0.0.0", nil);
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52 assert_cidr("127.0.0.1", "127.0.0.1", nil);
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53 assert_cidr("127.0.0.1/0", "127.0.0.1", 0);
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54 assert_cidr("127.0.0.1/8", "127.0.0.1", 8);
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55 assert_cidr("127.0.0.1/32", "127.0.0.1", 32);
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56 assert_cidr("127.0.0.1/256", "127.0.0.1", 256);
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57 assert_cidr("::/48", "::", 48);
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58 end);
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59 end);
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60
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61 describe("#new_ip()", function()
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62 it("should work", function()
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63 local v4, v6 = "IPv4", "IPv6";
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64 local function assert_proto(s, proto)
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65 local ip = new_ip(s);
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66 if proto then
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67 assert.are.equal(ip and ip.proto, proto, "protocol is correct for "..("%q"):format(s));
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68 else
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69 assert.are.equal(ip, nil, "address is invalid");
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70 end
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71 end
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72 assert_proto("127.0.0.1", v4);
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73 assert_proto("::1", v6);
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74 assert_proto("", nil);
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75 assert_proto("abc", nil);
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76 assert_proto(" ", nil);
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77 end);
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78 end);
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79
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80 describe("#commonPrefixLength()", function()
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81 it("should work", function()
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82 local function assert_cpl6(a, b, len, v4)
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83 local ipa, ipb = new_ip(a), new_ip(b);
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84 if v4 then len = len+96; end
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85 assert.are.equal(commonPrefixLength(ipa, ipb), len, "common prefix length of "..a.." and "..b.." is "..len);
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86 assert.are.equal(commonPrefixLength(ipb, ipa), len, "common prefix length of "..b.." and "..a.." is "..len);
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87 end
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88 local function assert_cpl4(a, b, len)
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89 return assert_cpl6(a, b, len, "IPv4");
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90 end
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91 assert_cpl4("0.0.0.0", "0.0.0.0", 32);
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92 assert_cpl4("255.255.255.255", "0.0.0.0", 0);
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93 assert_cpl4("255.255.255.255", "255.255.0.0", 16);
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94 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
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95 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
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96
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97 assert_cpl6("::1", "::1", 128);
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98 assert_cpl6("abcd::1", "abcd::1", 128);
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99 assert_cpl6("abcd::abcd", "abcd::", 112);
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100 assert_cpl6("abcd::abcd", "abcd::abcd:abcd", 96);
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101 end);
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102 end);
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103 end);