ADC/net/adc_device_netclient.h
2024-11-18 18:03:07 +03:00

127 lines
4.3 KiB
C++

#pragma once
#include "../common/adc_utils.h"
#include "adc_device_netmsg.h"
#include "adc_netclient.h"
namespace adc
{
template <typename IdentT = std::string, interfaces::adc_logger_c LoggerT = utils::AdcOstreamLogger<char>>
class AdcDeviceNetClient : public AdcGenericNetClient<IdentT, LoggerT>
{
typedef AdcGenericNetClient<IdentT, LoggerT> base_t;
public:
template <interfaces::adc_netservice_c NetServiceT, traits::adc_hashable_c SessionIdentT = std::string>
class Session : public std::enable_shared_from_this<Session<NetServiceT, SessionIdentT>>
{
public:
typedef SessionIdentT netsession_ident_t;
typedef NetServiceT netservice_t;
struct netsession_ctx_t {
AdcDeviceNetClient* clientPtr;
std::chrono::milliseconds recvTimeout;
std::chrono::milliseconds sendTimeout;
};
typedef std::vector<char> message_t;
// Session(const netsession_ident_t& id, netservice_t srv, AdcDeviceNetServer* srv_ptr)
Session(const netsession_ident_t& id, netservice_t srv, netsession_ctx_t ctx)
: _ident(id),
_netService(std::move(srv)),
_clientPtr(ctx.clientPtr),
_recvTimeout(ctx.recvTimeout),
_sendTimeout(ctx.sendTimeout)
{
_clientPtr->logInfo("Create client-to-server session with ID = {} (addr = {}, thread = {})", _ident,
(void*)this, utils::AdcThisThreadId());
}
virtual ~Session()
{
_clientPtr->logInfo("Delete client-to-server session with ID = {} (addr = {}, thread = {})", _ident,
(void*)this, utils::AdcThisThreadId());
}
netsession_ident_t ident() const
{
return _ident;
}
void start()
{
_clientPtr->logInfo("Start client-to-server session with ID = {} (addr = {}, thread = {})", _ident,
(void*)this, utils::AdcThisThreadId());
}
void stop()
{
_clientPtr->logInfo("Stop client-to-server session with ID = {} (addr = {}, thread = {})", _ident,
(void*)this, utils::AdcThisThreadId());
_netService.close();
}
protected:
netsession_ident_t _ident;
netservice_t _netService;
AdcDeviceNetClient* _clientPtr;
std::chrono::milliseconds _recvTimeout = std::chrono::seconds(5);
std::chrono::milliseconds _sendTimeout = std::chrono::seconds(5);
// helper methods
std::function<void(typename netservice_t::async_callback_err_t,
typename netservice_t::async_receive_callback_t)>
_defaultRecvCallback = [this](auto err, auto msg) {
if (err) {
_clientPtr->logError("An error occured while receiving server respond: {}",
netservice_t::formattableError(err));
} else {
AdcDeviceProtoMessage dev_msg(msg);
if (!dev_msg.isValid()) {
_clientPtr->logError("Invalid server respond");
return;
}
if (dev_msg.isACK()) {
} else if (dev_msg.isERROR()) {
} else {
_clientPtr->logError("Unexpectable server respond");
}
}
};
template <traits::adc_input_char_range SendMsgT, typename TokenT>
auto asyncSendRecv(const SendMsgT& send_msg, TokenT&& token)
{
return _netService.asyncSend(
send_msg,
[wrapper = traits::adc_pf_wrapper(std::forward<TokenT>(token)), this](auto err) {
if (err) {
this->logError("An error occured while sending the message: {}",
netservice_t::formattableError(err));
} else {
_netService.asyncReceive(std::get<0>(wrapper), _recvTimeout);
}
},
_sendTimeout);
}
}; // end of 'Session' class declaration
using base_t::base_t;
virtual ~AdcDeviceNetClient() {}
};
} // namespace adc