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MuditaOS/module-services/service-cellular/PacketData.cpp
Lukasz Mastalerz d9a1194e6f [BH-1688] Create a standard for logs 
* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
  line number is now before function name
2023-10-23 15:17:44 +02:00

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// Copyright (c) 2017-2023, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
#include "PacketData.hpp"
#include <service-cellular/ServiceCellular.hpp>
#include <optional>
#include <algorithm>
#include <iterator>
#include <response.hpp>
#include <Utils.hpp>
#include <at/ATFactory.hpp>
namespace at
{
namespace response
{
bool parseQICSGP(const at::Result &resp, std::shared_ptr<packet_data::APN::Config> retAPN)
{
/// AT+QICSGP=<contextID>[,<context_type>,<APN>[,<username>,<password>)[,<authentication>[,<cdma_pwd>]]]]
/// +QICSGP: <context_type>,<APN>,<username>,<password>,<authentication>
/// +QICSGP: 1,"","","",0
constexpr auto AT_QICSGP = "+QICSGP:";
if (auto tokens = at::response::getTokensForATCommand(resp, AT_QICSGP); tokens) {
constexpr int QICSGP_TokensCount = 5; /// Could be depend ? on firmware version, assume that always have
/// <context_type>,<APN>,<username>,<password>,<authentication>
if ((*tokens).size() == QICSGP_TokensCount) {
retAPN->contextType =
static_cast<packet_data::APN::ContextType>(utils::getNumericValue<unsigned int>((*tokens)[0]));
retAPN->apn = (*tokens)[1];
utils::findAndReplaceAll(retAPN->apn, at::response::StringDelimiter, "");
retAPN->username = (*tokens)[2];
utils::findAndReplaceAll(retAPN->username, at::response::StringDelimiter, "");
retAPN->password = (*tokens)[3];
utils::findAndReplaceAll(retAPN->password, at::response::StringDelimiter, "");
retAPN->authMethod =
static_cast<packet_data::APN::AuthMethod>(utils::getNumericValue<unsigned int>((*tokens)[4]));
return true;
}
}
return false;
}
bool parseQIACT(const at::Result &resp, std::vector<std::shared_ptr<packet_data::APN::Config>> &ret)
{
/**
* In case of AT+QIACT?
* +QIACT:1,<context_state>,<context_type>[,<IP_address>]
* [.....
* +QIACT:16,<context_state>,<context_type>[,<IP_address>]]
*
* also could be empty list
*/
constexpr int QIACT_TokensCount = 3;
constexpr int QIACT_WithIP_TokensCount = 4;
constexpr auto AT_QIACT = "+QIACT:";
if (auto mtokens = at::response::getTokensForATResults(resp, AT_QIACT); mtokens) {
for (const auto &tokens : *mtokens) {
if (tokens.size() < QIACT_TokensCount) {
continue;
}
std::shared_ptr<packet_data::APN::Config> retAPN = std::make_shared<packet_data::APN::Config>();
retAPN->contextId = utils::getNumericValue<std::uint8_t>(tokens[0]);
retAPN->state =
static_cast<packet_data::APN::ContextState>(utils::getNumericValue<std::uint8_t>(tokens[1]));
retAPN->contextType =
static_cast<packet_data::APN::ContextType>(utils::getNumericValue<std::uint8_t>(tokens[2]));
if (tokens.size() >= QIACT_WithIP_TokensCount) {
retAPN->ip = tokens[3];
utils::findAndReplaceAll(retAPN->ip, at::response::StringDelimiter, "");
}
ret.push_back(retAPN);
}
return true; /// empty list is also good result
}
return false;
}
} // namespace response
namespace query
{
std::string prepareQICSGP(std::shared_ptr<packet_data::APN::Config> apn, bool setEmpty)
{
/// AT+QICSGP=<contextID>[,<context_type>,<APN>[,<username>,<password>)[,<authentication>]]]
if (setEmpty) {
LOG_DEBUG("Set empty APN");
return at::factory(at::AT::QICSGP) + "=" + utils::to_string(static_cast<int>(apn->contextId)) + "," +
"1,\"\",\"\",\"\",1";
}
return at::factory(at::AT::QICSGP) + "=" + utils::to_string(static_cast<int>(apn->contextId)) + "," +
utils::to_string(static_cast<int>(apn->contextType)) + ",\"" + apn->apn + "\",\"" + apn->username +
"\",\"" + apn->password + "\"," + utils::to_string(static_cast<int>(apn->authMethod));
}
} // namespace query
} // namespace at
namespace packet_data
{
PDPContext::PDPContext(ServiceCellular &cellularService) : cellularService(cellularService)
{
channel = cellularService.cmux->get(CellularMux::Channel::Commands);
}
std::shared_ptr<APN::Config> PDPContext::getConfiguration(std::uint8_t contextId)
{
if (channel) {
auto resp = channel->cmd(at::factory(at::AT::QICSGP) + "=" + utils::to_string(static_cast<int>(contextId)));
if (resp.code == at::Result::Code::OK) {
std::shared_ptr<APN::Config> ret = std::make_shared<APN::Config>();
ret->contextId = contextId;
if (at::response::parseQICSGP(resp, ret)) {
return ret;
}
}
}
return nullptr;
}
at::Result::Code PDPContext::setConfiguration(std::shared_ptr<APN::Config> apn, bool setEmpty)
{
if (channel) {
auto resp = channel->cmd(at::query::prepareQICSGP(apn, setEmpty));
return resp.code;
}
return at::Result::Code::ERROR;
}
at::Result::Code PDPContext::activate(std::uint8_t contextId)
{
if (channel) {
auto resp = channel->cmd(at::factory(at::AT::QIACT) + "=" + utils::to_string(static_cast<int>(contextId)));
/**
* From quectel documentation:
* 1. Reboot the module if there is no response in 150s.
* 2. If failed to deactivate the PDP context for 3 times continuously, then reboot the module.
*/
return resp.code;
}
return at::Result::Code::ERROR;
}
at::Result::Code PDPContext::deactivate(std::uint8_t contextId)
{
if (channel) {
/// this command could generate URC, deactivate
auto resp =
channel->cmd(at::factory(at::AT::QIDEACT) + "=" + utils::to_string(static_cast<int>(contextId)));
return resp.code;
}
return at::Result::Code::ERROR;
}
std::optional<const std::vector<std::shared_ptr<APN::Config>>> PDPContext::getActive()
{
if (channel) {
auto resp = channel->cmd(at::factory(at::AT::QIACT) + "?");
if (resp.code == at::Result::Code::OK) {
std::vector<std::shared_ptr<APN::Config>> ret;
if (at::response::parseQIACT(resp, ret)) {
return ret;
}
}
}
return std::nullopt;
}
PacketData::PacketData(ServiceCellular &cellularService) : cellularService(cellularService){};
void PacketData::loadAPNSettings(const std::string &json)
{
std::string err;
auto apnsObj = json11::Json::parse(json, err).array_items();
if (!err.empty()) {
LOG_ERROR("Error while parsing APN configuration: %s", err.c_str());
return;
}
contextMap.clear();
for (auto &it : apnsObj) {
std::shared_ptr<APN::Config> apnConfig = std::make_shared<APN::Config>();
apnConfig->from_json(it);
contextMap[apnConfig->contextId] = apnConfig;
}
LOG_DEBUG("APN settings loaded");
}
std::string PacketData::saveAPNSettings() const
{
/// Save as JSON string
std::vector<json11::Json> vec;
std::transform(contextMap.begin(), contextMap.end(), std::back_inserter(vec), [](auto &apn) {
return apn.second->to_json();
});
LOG_DEBUG("APN settings saved");
return json11::Json(vec).dump();
}
at::Result::Code PacketData::updateAPNSettings(std::uint8_t ctxId)
{
LOG_DEBUG("Updating APN settings: %d", ctxId);
PDPContext pdpCtx(cellularService);
std::shared_ptr<APN::Config> apnConfig;
std::shared_ptr<APN::Config> modemApn;
if (!(modemApn = pdpCtx.getConfiguration(ctxId))) {
return at::Result::Code::ERROR;
}
auto phoneApn = contextMap.find(ctxId);
if (phoneApn != contextMap.end()) {
LOG_DEBUG("Phone context exists");
if (dataTransfer == DataTransfer::Off) {
/// set null configuration, solution based on lack of quectel documentation
return pdpCtx.setConfiguration(phoneApn->second, true);
}
else {
if (!phoneApn->second->compare(modemApn)) {
/// rebuild configuration
LOG_DEBUG("Update modem context: %d", ctxId);
if (ctxId > internalAPNMaxId) {
return pdpCtx.setConfiguration(phoneApn->second);
}
else {
contextMap[ctxId] = modemApn;
}
}
}
}
else {
LOG_DEBUG("Phone context not exists");
if (!modemApn->isEmpty()) {
/** update phone configuration base on modem conf (eg. ims)
*/
LOG_DEBUG("Update modem context: %d", ctxId);
if (ctxId > internalAPNMaxId) {
return pdpCtx.setConfiguration(modemApn, true);
}
else {
contextMap[ctxId] = modemApn;
}
}
}
return at::Result::Code::OK;
}
void PacketData::setupAPNSettings()
{
for (std::uint8_t ctxId = MINContextId; ctxId <= MAXContextId; ctxId++) {
if (updateAPNSettings(ctxId) != at::Result::Code::OK) {
LOG_ERROR("Failed update APN settings for context %d", ctxId);
}
}
}
std::optional<std::shared_ptr<APN::Config>> PacketData::getAPN(std::uint8_t ctxid)
{
auto apn = std::find_if(contextMap.begin(), contextMap.end(), [&ctxid](const ContextPair &pair) {
return pair.second->contextId == ctxid;
});
if (apn != contextMap.end()) {
return apn->second;
}
return std::nullopt;
}
const std::vector<std::shared_ptr<APN::Config>> PacketData::getAPNs() const
{
std::vector<std::shared_ptr<APN::Config>> vconf;
std::transform(
contextMap.begin(), contextMap.end(), std::back_inserter(vconf), [](auto &cm) { return cm.second; });
return vconf;
}
std::optional<std::shared_ptr<APN::Config>> PacketData::getAPNFirst(APN::APNType type)
{
auto apn = std::find_if(contextMap.begin(), contextMap.end(), [&type](const ContextPair &pair) -> bool {
return pair.second->apnType == type;
});
if (apn != contextMap.end()) {
return apn->second;
}
return std::nullopt;
}
at::Result::Code PacketData::setAPN(std::shared_ptr<APN::Config> apn)
{
/// Only one default, save on phone configuration (not modem)
if (apn->apnType == packet_data::APN::APNType::Default) {
for (std::uint8_t ctxId = internalAPNMaxId + 1; ctxId <= MAXContextId; ctxId++) {
auto phoneApn = contextMap.find(ctxId);
if ((phoneApn != contextMap.end()) && (!phoneApn->second->isEmpty()) &&
(phoneApn->second->apnType == packet_data::APN::APNType::Default) && (ctxId != apn->contextId)) {
contextMap[ctxId]->apnType = packet_data::APN::APNType::Internet;
}
}
}
if (apn->isEmpty()) {
contextMap.erase(apn->contextId);
}
else {
contextMap[apn->contextId] = apn;
}
return updateAPNSettings(apn->contextId);
}
at::Result::Code PacketData::newAPN(std::shared_ptr<APN::Config> apn, std::uint8_t &newId)
{
for (std::uint8_t ctxId = internalAPNMaxId + 1; ctxId <= MAXContextId; ctxId++) {
if (contextMap.find(ctxId) == contextMap.end()) {
newId = ctxId;
apn->contextId = ctxId;
return setAPN(apn);
}
}
return at::Result::Code::ERROR;
}
bool PacketData::setDataTransfer(DataTransfer dt)
{
dataTransfer = dt;
setupAPNSettings();
return true;
}
DataTransfer PacketData::getDataTransfer() const
{
return dataTransfer;
}
std::optional<const std::vector<std::shared_ptr<APN::Config>>> PacketData::getActiveContexts()
{
PDPContext pdpCtx(cellularService);
return pdpCtx.getActive();
}
at::Result::Code PacketData::activateContext(std::uint8_t contextId)
{
PDPContext pdpCtx(cellularService);
return pdpCtx.activate(contextId);
}
at::Result::Code PacketData::deactivateContext(std::uint8_t contextId)
{
PDPContext pdpCtx(cellularService);
return pdpCtx.deactivate(contextId);
}
} // namespace packet_data
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