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tbx/test/tests/BG95_base.cpp

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/*!
* \file sequencer.cpp
*
* \copyright Copyright (C) 2020 Christos Choutouridis <christos@choutouridis.net>
*
* <dl class=\"section copyright\"><dt>License</dt><dd>
* The MIT License (MIT)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* </dd></dl>
*
*/
#include <drv/BG95_base.h>
#include <gtest/gtest.h>
#include <cont/equeue.h>
//#include <map>
//#include <iostream>
#include <cstring>
#include <utility>
#ifndef WIN_TRHEADS
#include <mutex>
#include <thread>
#else
#include <mingw.thread.h>
#include <mingw.mutex.h>
#endif
namespace test_bg95_base {
using namespace tbx;
using Q = equeue<char, 512, true>;
// BG95 implementer mock
class BG95 : public BG95_base<BG95, Q, 256> {
using base_type = BG95_base<BG95, Q, 256>;
public:
enum class event {
MQTT_DISCONNECT, MQTT_RXDATA
};
// simulated modem operation
private:
struct cmd_pair {
const char *cmd;
const char *resp;
};
struct event_pair {
event e;
const char* resp;
};
std::array<cmd_pair, 19> cmd_map = {{
{"ERROR", "\r\nERROR\r\n"},
{"ATE0\r\n", "\r\nATE0\r\nOK\r\n"},
{"AT\r\n", "\r\nOK\r\n"},
{"AT+QCFG=\"nwscanseq\"\r\n", "\r\n+QCFG: \"nwscanseq\",020301\r\n"},
{"AT+QCFG=\"nwscanseq\",010302\r\n", "\r\nOK\r\n"},
{"AT+CREG?\r\n", "\r\n+CREG: 0,5\r\n\r\nOK\r\n"},
{"AT+CSQ\r\n", "\r\n+CSQ: 19,99\r\n\r\nOK\r\n"},
{"AT+QNWINFO\r\n", "\r\n+QNWINFO: \"EDGE\",\"20201\",\"GSM 1800\",865\r\n\r\nOK\r\n"},
// Files
{"AT+QFLST\r\n", "\r\n+QFLST: \"cacert.pem\",1220\r\n+QFLST: \"security/\",2\r\nOK\r\n"},
// MQTT config
{"AT+QSSLCFG=\"ignorelocaltime\",2,1\r\n", "\r\nOK\r\n"},
{"AT+QSSLCFG=\"seclevel\",2,1\r\n", "\r\nOK\r\n"},
{"AT+QSSLCFG=\"sslversion\",2,4\r\n", "\r\nOK\r\n"},
{"AT+QSSLCFG=\"ciphersuite\",2\r\n", "\r\n+QSSLCFG: \"ciphersuite\",2,0XFFFF\r\n\r\nOK\r\n"},
{"AT+QMTCFG=\"ssl\",0,1,2\r\n", "\r\nOK\r\n"},
{"AT+QMTCFG=\"keepalive\",0,3600\r\n", "\r\nOK\r\n"},
// MQTT
{"AT+QMTOPEN=0,\"server.com\",8883\r\n", "\r\nOK\r\n\r\n+QMTOPEN: 0,0\r\n"},
{"AT+QMTCONN=0,\"myID\",\"user\",\"pass\"\r\n", "\r\nOK\r\n\r\n+QMTCONN: 0,0,0\r\n"},
{"AT+QMTSUB=0,1,\"/path/topic1\",2\r\n", "\r\nOK\r\n\r\n+QMTSUB: 0,1,0,2\r\n"},
{"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"},
}};
std::array<event_pair, 2> event_map {{
{event::MQTT_DISCONNECT, "\r\n+QMTSTAT: 0,1\r\n"},
{event::MQTT_RXDATA, "\r\n+QMTRECV: 0,1,\"/path/topic1\",\"BR: hello to all of my subscribers\""}
}};
const char* cmd_responce (const char* cmd) {
for (auto& it : cmd_map) {
if (!strcmp(it.cmd, cmd))
return it.resp;
}
return cmd_map[0].resp;
}
const char* event_responce (const event e) {
for (auto& it : event_map) {
if (e == it.e)
return it.resp;
}
return nullptr; // non reachable
}
// data
Q rx_q{};
std::atomic<size_t> lines{};
public:
using range_t = typename Q::range_t;
public:
// BG95_base driver requirements
BG95() :
rx_q(Q::data_match::MATCH_PUSH, base_type::delimiter, [&](){
lines.fetch_add(1, std::memory_order_acq_rel);
}), lines(0) { }
size_t get(char* data, bool wait =false) {
do {
if (lines.load(std::memory_order_acquire)) {
size_t n =0;
do{
*data << rx_q;
++n;
} while (*data++ != base_type::delimiter);
lines.fetch_sub(1, std::memory_order_acq_rel);
return n;
}
} while (wait);
return 0;
}
size_t put (const char* data, size_t n) {
std::cerr << " ";
const char* reply = cmd_responce (data);
while (*reply)
rx_q << *reply++;
return n;
}
const range_t contents() const {
return range_t {rx_q.begin(), rx_q.end()};
}
clock_t clock() { static clock_t t=0; return ++t; }
// extra helper for testing purposes
void async (event e) {
const char* reply =event_responce (e);
while (*reply)
rx_q << *reply++;
}
};
// Behavior flag
bool handler_flag = false;
void handler (const char* data, size_t n) {
(void)*data;
(void)n;
// std::cout << "* handler called\n";
handler_flag = true;
}
void clear_flag () {
handler_flag = false;
}
/*
* Test inetd in non blocking mode
*/
TEST(TBG95_base, inetd_non_blocking) {
BG95 modem;
char buffer[256];
const BG95::async_handlers<2> async = {{
{"+QMTOPEN:", BG95::match_t::STARTS_WITH, handler, BG95::action_t::NO, 0},
{"+QMT", BG95::match_t::STARTS_WITH, handler, BG95::action_t::NO, 0},
}};
clear_flag();
modem.inetd(false, &async);
EXPECT_EQ (handler_flag, false);
modem.async(BG95::event::MQTT_DISCONNECT);
modem.inetd(false, &async); // parse "\r\n"
EXPECT_EQ (handler_flag, false);
modem.inetd(false, &async); // parse "+QMT*\r\n" and dispatch to handler()
EXPECT_EQ (handler_flag, true);
clear_flag(); // nothing to parse
modem.inetd(false, &async);
modem.inetd(false, &async);
modem.inetd(false, &async);
EXPECT_EQ (handler_flag, false);
EXPECT_NE (modem.receive(buffer), 0UL); // "\r\n" in buffer
EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
clear_flag();
modem.inetd(false, &async);
EXPECT_EQ (handler_flag, false);
modem.transmit("AT+CSQ\r\n", 8);
EXPECT_EQ (modem.receive(buffer), 0UL);
modem.inetd(false, &async); // parse "\r\n"
EXPECT_NE (modem.receive(buffer), 0UL);
EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
modem.inetd(false, &async); // parse "+CSQ: 19,99\r\n"
EXPECT_NE (modem.receive(buffer), 0UL);
EXPECT_EQ (strcmp(buffer, "+CSQ: 19,99\r\n"), 0);
modem.inetd(false, &async); // parse "\r\n"
EXPECT_NE (modem.receive(buffer), 0UL);
EXPECT_EQ (strcmp(buffer, "\r\n"), 0);
modem.inetd(false, &async); // parse "OK\r\n"
EXPECT_NE (modem.receive(buffer), 0UL);
EXPECT_EQ (strcmp(buffer, "OK\r\n"), 0);
modem.inetd(false, &async); // nothing to parse
modem.inetd(false, &async);
modem.inetd(false, &async);
EXPECT_EQ (modem.receive(buffer), 0UL);
}
TEST(TBG95_base, run) {
BG95 modem;
const BG95::async_handlers<2> async = {{
{"+QMTOPEN:", BG95::match_t::STARTS_WITH, handler, BG95::action_t::NO, 0},
{"+QMT", BG95::match_t::STARTS_WITH, handler, BG95::action_t::NO, 0},
}};
const BG95::script_t<5> script = {{
/* 0 */{BG95::control_t::NOP, {"", BG95::match_t::NO, nullptr, BG95::action_t::GOTO, 1}, 1000},
/* 1 */{BG95::control_t::SEND, {"ATE0\r\n", BG95::match_t::NO, nullptr, BG95::action_t::NEXT, 0}, 0},
/* 2 */{BG95::control_t::EXPECT, {{
{"OK\r\n", BG95::match_t::ENDS_WITH, nullptr, BG95::action_t::NEXT, 0},
{"ERROR", BG95::match_t::CONTAINS, nullptr, BG95::action_t::EXIT_ERROR, 0} }},
1000
},
/* 3 */{BG95::control_t::SEND, {"AT+CSQ\r\n", BG95::match_t::NO, nullptr, BG95::action_t::NEXT, 0}, 0},
/* 4 */{BG95::control_t::EXPECT, {{
{"OK\r\n", BG95::match_t::ENDS_WITH, nullptr, BG95::action_t::EXIT_OK, 0},
{"ERROR", BG95::match_t::CONTAINS, nullptr, BG95::action_t::EXIT_ERROR, 0} }},
1000
},
}};
std::atomic<bool> lock(true);
std::thread th1 ([&](){
do
modem.inetd(false, &async);
while (lock.load(std::memory_order_acquire));
});
EXPECT_EQ (modem.run(script), true);
lock.store(false, std::memory_order_acq_rel);
th1.join();
}
TEST(TBG95_base, command) {
BG95 modem;
std::atomic<bool> lock(true);
std::thread th1 ([&](){
do
modem.inetd(false);
while (lock.load(std::memory_order_acquire));
});
EXPECT_EQ (modem.registered(), true);
lock.store(false, std::memory_order_acq_rel);
th1.join();
}
}
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