Robin E. R. Davies
258 lines
8.5 KiB
C++
258 lines
8.5 KiB
C++
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "pch.h"
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#include "catch.hpp"
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#include <sstream>
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#include <cstdint>
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#include <string>
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#include "WifiChannelSelectors.hpp"
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#include "ChannelInfo.hpp"
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#include "RegDb.hpp"
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#include <stdexcept>
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using namespace pipedal;
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static WifiChannelSelector GetChannel(const std::vector<WifiChannelSelector> &channels, const std::string &channelId)
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{
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for (auto &channel : channels)
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{
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if (channel.channelId_ == channelId)
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{
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return channel;
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}
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}
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throw std::runtime_error("Channel not found.");
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;
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}
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void TestWifiChannels()
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{
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using namespace std;
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cout << " ==== CA Channels ====" << endl;
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std::vector<WifiChannelSelector> result = pipedal::getWifiChannelSelectors("CA");
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for (const auto &channel : result)
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{
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std::cout << " " << channel.channelName_ << std::endl;
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}
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// channel 36 is indoors only (CA)
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WifiChannelSelector channel = GetChannel(result, "36");
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// present before bookworm. no longer.
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REQUIRE(channel.channelName_.find("Indoors") != std::string::npos);
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for (const auto &channel : result)
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{
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std::cout << " " << channel.channelName_ << std::endl;
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}
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// channel 36 is not indoors only (US)
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cout << " ==== US Channels ====" << endl;
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result = pipedal::getWifiChannelSelectors("US");
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for (const auto &channel : result)
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{
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std::cout << " " << channel.channelName_ << std::endl;
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}
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channel = GetChannel(result, "36");
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REQUIRE(channel.channelName_.find("Indoors") == std::string::npos);
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}
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struct RegulatoryDomain {
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RegulatoryDomain(int32_t domain) : domain(domain) { }
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RegulatoryDomain(int32_t domain,const std::vector<int32_t>&channels) : domain(domain),channels(channels) { }
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void AddChannel(int32_t channel)
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{
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std::vector<int32_t>::iterator i;
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for (i = channels.begin(); i != channels.end(); ++i)
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{
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if ((*i) == channel) return;
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if (*i > channel) break;
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}
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channels.insert(i,channel);
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}
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bool operator==(const RegulatoryDomain&other) const
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{
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if (this->domain != other.domain) return false;
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return std::equal(channels.begin(),channels.end(),other.channels.begin(),other.channels.end());
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}
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int32_t domain;
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std::vector<int32_t> channels;
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};
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class ChannelsByRegDomain {
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public:
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ChannelsByRegDomain() { }
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ChannelsByRegDomain(const std::vector<RegulatoryDomain>&domains): regulations(domains) { }
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void AddChannel(int32_t domain, int32_t channel)
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{
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RegulatoryDomain®Domain = GetDomain(domain);
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regDomain.AddChannel(channel);
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}
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std::string toString() const {
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std::stringstream s;
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bool first = true;
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for (const auto&domain: regulations)
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{
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if (!first) s << " ";
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first = false;
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s << domain.domain << ":";
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bool firstChan = true;
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for (const auto c : domain.channels)
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{
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if(!firstChan) s << ",";
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firstChan = false;
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s << c;
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}
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}
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return s.str();
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}
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bool operator==(const ChannelsByRegDomain&other) const
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{
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return std::equal(regulations.begin(),regulations.end(),other.regulations.begin(),other.regulations.end());
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}
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private:
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RegulatoryDomain&GetDomain(int32_t domain) {
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std::vector<RegulatoryDomain>::iterator i;
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for (i = regulations.begin(); i != regulations.end(); i++)
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{
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if (i->domain == domain) return *i;
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if (i->domain > domain) break;
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}
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i = regulations.insert(i,RegulatoryDomain(domain));
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return *i;
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}
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std::vector<RegulatoryDomain> regulations;
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};
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void DisplayP2pChannels(const char*isoCountry, const ChannelsByRegDomain&expected)
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{
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std::cout << " " << isoCountry <<":";
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ChannelsByRegDomain result;
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auto wifiInfo = pipedal::getWifiInfo("CA");
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for (const auto&channel: wifiInfo.channels)
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{
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result.AddChannel(channel.regDomain,channel.channelNumber);
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}
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std::cout << result.toString() << std::endl;
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if (result != expected)
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{
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throw std::runtime_error("Incorrect results..");
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}
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}
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void TestBookwormRegDbLoad()
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{
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std::filesystem::path dbPath = "test_data/debian_bookworm_regulatory.db";
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RegDb regdb{dbPath};
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REQUIRE(regdb.IsValid());
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}
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void TestP2pChannels()
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{
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std::cout << "---- TestP2PChannels ---" << std::endl;
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// expecting (for CA)
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//81:1,2,3,4,5,6,7,8,9,10,11 115:36,40,44,48 116:36,44 117:40,48 124:149,153,157,161 125:149,153,157,161,165 126:149,157
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//81:1,2,3,4,5,6,7,8,9,10,11 115:36,40,44,48 116:36,44 117:40,48 124:149,153,157,161 125:149,153,157,161,165 126:149,157 127:153,161
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// 127:153,161 128:36,40,44,48,149,153,157,161 130:36,40,44,48,149,153,157,161,165
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// 127:153,161
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ChannelsByRegDomain expectedCaDomains =
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{
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std::vector<RegulatoryDomain>{
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{81, { 1,2,3,4,5,6,7,8,9,10,11}},
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{ 115, {36,40,44,48}},
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{ 116, {36,44}},
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{ 117, { 40,48}},
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{ 124, {149,153,157,161}},
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{ 125, {149,153,157,161,165}},
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{ 126, {149,157 }},
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{ 127, {153,161}},
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// ignore 80ghz ac channels (which pi supports, but we don't).
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// { 128, {36,40,44,48,149,153,157,161}},
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// { 130, {36,40,44,48,149,153,157,161,165}}
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}
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};
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DisplayP2pChannels("CA",expectedCaDomains);
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// DisplayP2pChannels("US");
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// DisplayP2pChannels("JP");
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// DisplayP2pChannels("00");
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}
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static void DisplayRegulations(const std::string& country)
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{
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using namespace std;
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RegDb®Db = RegDb::GetInstance();
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cout << " ---- " << country << " regulations --- " << endl;
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const auto& regulations = regDb.getWifiRegulations(country);
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for (const auto&rule: regulations.rules)
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{
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cout << rule.start_freq_khz/1000 << "-" << rule.end_freq_khz/1000 << " (" << rule.max_bandwidth_khz/1000 << ")";
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cout << (rule.HasFlag(RegRuleFlags::NO_INDOOR) ? " NO_INDOORS" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_OUTDOOR) ? " NO_OUTDOOR" : "")
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<< (rule.HasFlag(RegRuleFlags::DFS) ? " RADAR" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_IR) ? " NO_IR" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_OFDM) ? " NO_OFDM" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_HE) ? " NO_HE" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_HT40MINUS) ? " NO_HT40MINUS" : "")
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<< (rule.HasFlag(RegRuleFlags::NO_HT40PLUS) ? " NO_HT40PLUS" : "")
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<< (rule.HasFlag(RegRuleFlags::AUTO_BW) ? " AUTO_BW" : "")
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<< (rule.HasFlag(RegRuleFlags::PTP_ONLY) ? " PTP_ONLY" : "")
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<< (rule.HasFlag(RegRuleFlags::PTMP_ONLY) ? " PTMP_ONLY" : "")
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<< endl;
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}
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}
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void DisplayRegDomains()
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{
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std::cout << "==== Regulatory domains === " << std::endl;
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std::filesystem::path dbPath = "test_data/debian_bookworm_regulatory.db";
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RegDb regdb{dbPath};
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REQUIRE(regdb.IsValid());
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auto regDomains = regdb.getRegulatoryDomains("config/iso_codes.json");
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for (const auto®Domain: regDomains)
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{
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std::cout << " " << regDomain.first << ": " << regDomain.second << std::endl;
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}
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}
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TEST_CASE("Wifi Channel Test", "[wifi_channels_test]")
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{
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DisplayRegDomains();
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DisplayRegulations("CA");
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DisplayRegulations("US");
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DisplayRegulations("JP");
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TestBookwormRegDbLoad();
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TestWifiChannels();
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TestP2pChannels();
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}
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