285 lines
11 KiB
C++
285 lines
11 KiB
C++
/*!
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* \file sequencer.cpp
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*
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* \copyright Copyright (C) 2020 Christos Choutouridis <christos@choutouridis.net>
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*
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* <dl class=\"section copyright\"><dt>License</dt><dd>
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* The MIT License (MIT)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, 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,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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* </dd></dl>
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*
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*/
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#include <drv/BG95_base.h>
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#include <gtest/gtest.h>
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#include <cont/equeue.h>
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//#include <map>
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//#include <iostream>
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#include <cstring>
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#include <utility>
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#ifndef WIN_TRHEADS
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#include <mutex>
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#include <thread>
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#else
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#include <mingw.thread.h>
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#include <mingw.mutex.h>
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#endif
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namespace test_bg95_base {
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using namespace tbx;
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// BG95 implementer mock
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template<size_t N>
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class BG95 : public BG95_base<BG95<N>, N> {
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using Q = equeue<char, N, true>;
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using base_type = BG95_base<BG95<N>, N>;
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public:
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enum class event {
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MQTT_DISCONNECT, MQTT_RXDATA
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};
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// simulated modem operation
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private:
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struct cmd_pair {
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const char *cmd;
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const char *resp;
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};
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struct event_pair {
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event e;
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const char* resp;
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};
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std::array<cmd_pair, 19> cmd_map = {{
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{"ERROR", "\r\nERROR\r\n"},
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{"ATE0\r\n", "\r\nATE0\r\nOK\r\n"},
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{"AT\r\n", "\r\nOK\r\n"},
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{"AT+QCFG=\"nwscanseq\"\r\n", "\r\n+QCFG: \"nwscanseq\",020301\r\n"},
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{"AT+QCFG=\"nwscanseq\",010302\r\n", "\r\nOK\r\n"},
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{"AT+CREG?\r\n", "\r\n+CREG: 0,5\r\n\r\nOK\r\n"},
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{"AT+CSQ\r\n", "\r\n+CSQ: 19,99\r\n\r\nOK\r\n"},
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{"AT+QNWINFO\r\n", "\r\n+QNWINFO: \"EDGE\",\"20201\",\"GSM 1800\",865\r\n\r\nOK\r\n"},
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// Files
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{"AT+QFLST\r\n", "\r\n+QFLST: \"cacert.pem\",1220\r\n+QFLST: \"security/\",2\r\nOK\r\n"},
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// MQTT config
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{"AT+QSSLCFG=\"ignorelocaltime\",2,1\r\n", "\r\nOK\r\n"},
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{"AT+QSSLCFG=\"seclevel\",2,1\r\n", "\r\nOK\r\n"},
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{"AT+QSSLCFG=\"sslversion\",2,4\r\n", "\r\nOK\r\n"},
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{"AT+QSSLCFG=\"ciphersuite\",2\r\n", "\r\n+QSSLCFG: \"ciphersuite\",2,0XFFFF\r\n\r\nOK\r\n"},
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{"AT+QMTCFG=\"ssl\",0,1,2\r\n", "\r\nOK\r\n"},
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{"AT+QMTCFG=\"keepalive\",0,3600\r\n", "\r\nOK\r\n"},
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// MQTT
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{"AT+QMTOPEN=0,\"server.com\",8883\r\n", "\r\nOK\r\n\r\n+QMTOPEN: 0,0\r\n"},
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{"AT+QMTCONN=0,\"myID\",\"user\",\"pass\"\r\n", "\r\nOK\r\n\r\n+QMTCONN: 0,0,0\r\n"},
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{"AT+QMTSUB=0,1,\"/path/topic1\",2\r\n", "\r\nOK\r\n\r\n+QMTSUB: 0,1,0,2\r\n"},
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{"AT+QMTPUB=0,0,0,0,\"/path/topic2\",9\r\n", "\r\n> \r\nOK\r\n\r\n+QMTPUB: 0,0,0\r\n"},
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}};
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std::array<event_pair, 2> event_map {{
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{event::MQTT_DISCONNECT, "\r\n+QMTSTAT: 0,1\r\n"},
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{event::MQTT_RXDATA, "\r\n+QMTRECV: 0,1,\"/path/topic1\",\"BR: hello to all of my subscribers\""}
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}};
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const char* cmd_responce (const char* cmd) {
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for (auto& it : cmd_map) {
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if (!strcmp(it.cmd, cmd))
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return it.resp;
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}
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return cmd_map[0].resp;
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}
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const char* event_responce (const event e) {
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for (auto& it : event_map) {
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if (e == it.e)
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return it.resp;
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}
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return nullptr; // non reachable
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}
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// data
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Q rx_q{};
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std::atomic<size_t> lines{};
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public:
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using range_t = typename Q::range_t;
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public:
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// BG95_base driver requirements
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BG95() :
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rx_q(Q::data_match::MATCH_PUSH, base_type::delimiter, [&](){
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lines.fetch_add(1, std::memory_order_acq_rel);
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}), lines(0) { }
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size_t get(char* data, bool wait =false) {
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do {
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if (lines.load(std::memory_order_acquire)) {
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size_t n =0;
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do{
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*data << rx_q;
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++n;
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} while (*data++ != base_type::delimiter);
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lines.fetch_sub(1, std::memory_order_acq_rel);
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return n;
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}
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} while (wait);
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return 0;
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}
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size_t contents(char* data) {
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char* nullpos = std::copy(rx_q.begin(), rx_q.end(), data);
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*nullpos =0;
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return nullpos - data;
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}
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size_t put (const char* data, size_t n) {
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std::cerr << " ";
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const char* reply = cmd_responce (data);
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while (*reply)
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rx_q << *reply++;
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return n;
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}
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clock_t clock() { static clock_t t=0; return ++t; }
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// extra helper for testing purposes
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void async (event e) {
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const char* reply =event_responce (e);
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while (*reply)
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rx_q << *reply++;
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}
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};
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// Behavior flag
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bool handler_flag = false;
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void handler (const char* data, size_t n) {
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(void)*data;
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(void)n;
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// std::cout << "* handler called\n";
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handler_flag = true;
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}
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void clear_flag () {
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handler_flag = false;
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}
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/*
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* Test inetd in non blocking mode
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*/
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TEST(TBG95_base, inetd_non_blocking) {
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BG95<256> modem;
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char buffer[256];
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const BG95<256>::inetd_handlers<2> async = {{
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{"+QMTOPEN:", BG95<256>::starts_with, handler},
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{"+QMT", BG95<256>::starts_with, handler},
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}};
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clear_flag();
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modem.inetd(false, &async);
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EXPECT_EQ (handler_flag, false);
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modem.async(BG95<256>::event::MQTT_DISCONNECT);
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modem.inetd(false, &async); // parse "\r\n"
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EXPECT_EQ (handler_flag, false);
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modem.inetd(false, &async); // parse "+QMT*\r\n" and dispatch to handler()
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EXPECT_EQ (handler_flag, true);
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clear_flag(); // nothing to parse
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modem.inetd(false, &async);
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modem.inetd(false, &async);
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modem.inetd(false, &async);
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EXPECT_EQ (handler_flag, false);
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EXPECT_NE (modem.receive(buffer), 0UL); // "\r\n" in buffer
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EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
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clear_flag();
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modem.inetd(false, &async);
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EXPECT_EQ (handler_flag, false);
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modem.transmit("AT+CSQ\r\n", 8);
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EXPECT_EQ (modem.receive(buffer), 0UL);
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modem.inetd(false, &async); // parse "\r\n"
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EXPECT_NE (modem.receive(buffer), 0UL);
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EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
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modem.inetd(false, &async); // parse "+CSQ: 19,99\r\n"
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EXPECT_NE (modem.receive(buffer), 0UL);
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EXPECT_EQ (strcmp(buffer, "+CSQ: 19,99\r\n"), 0);
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modem.inetd(false, &async); // parse "\r\n"
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EXPECT_NE (modem.receive(buffer), 0UL);
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EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
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modem.inetd(false, &async); // parse "OK\r\n"
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EXPECT_NE (modem.receive(buffer), 0UL);
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EXPECT_EQ (strcmp(buffer, "OK\r\n"), 0);
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modem.inetd(false, &async); // nothing to parse
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modem.inetd(false, &async);
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modem.inetd(false, &async);
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EXPECT_EQ (modem.receive(buffer), 0UL);
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}
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// TEST(TBG95_base, run) {
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// BG95<256> modem;
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//
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// using Control = BG95<256>::control_t;
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// using Action = BG95<256>::action_t;
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//
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// const BG95<256>::inetd_handlers<2> async = {{
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// {"+QMTOPEN:", BG95<256>::starts_with, handler},
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// {"+QMT", BG95<256>::starts_with, handler},
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// }};
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// const BG95<256>::script_t<7> script = {{
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// {Control::NOP, "", BG95<256>::nil, BG95<256>::nil, {Action::GOTO, 1}, 1000},
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// {Control::SEND, "ATE0\r\n", BG95<256>::nil, BG95<256>::nil, {Action::NEXT, 0}, 0},
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// {Control::EXPECT, "OK\r\n", BG95<256>::ends_with, BG95<256>::nil, {Action::NEXT, 0}, 1000},
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// {Control::OR_EXPECT,"ERROR", BG95<256>::contains, BG95<256>::nil, {Action::EXIT_ERROR, 0}, 0},
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// {Control::SEND, "AT+CSQ\r\n",BG95<256>::nil, BG95<256>::nil, {Action::NEXT, 0}, 0},
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// {Control::EXPECT, "OK\r\n", BG95<256>::ends_with, BG95<256>::nil, {Action::EXIT_OK, 0}, 1000},
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// {Control::OR_EXPECT,"ERROR", BG95<256>::contains, BG95<256>::nil, {Action::EXIT_ERROR, 0}, 0},
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// }};
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//
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// std::mutex m;
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// m.lock();
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// std::thread th1 ([&](){
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// do
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// modem.inetd(false, &async);
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// while (!m.try_lock());
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// m.unlock();
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// });
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// EXPECT_EQ (modem.run(script), true);
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// m.unlock(); // stop and join inetd
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// th1.join();
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// }
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TEST(TBG95_base, command) {
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BG95<256> modem;
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std::mutex m;
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m.lock();
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std::thread th1 ([&](){
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do
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modem.inetd(false);
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while (!m.try_lock());
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m.unlock();
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});
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int status;
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EXPECT_EQ (modem.command("AT+CREG?\r\n", "\r\n+CREG: 0,%\r\n\r\nOK\r\n", &status), true);
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EXPECT_EQ (status, 5);
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char substr[32];
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EXPECT_EQ (modem.command("AT+CREG?\r\n", "\r\n%\r\n\r\nOK\r\n", substr), true);
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EXPECT_EQ (strcmp("+CREG: 0,5", substr), 0);
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m.unlock(); // stop and join inetd
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th1.join();
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}
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}
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