Files
Ethernet_W5500/src/EthernetOverride/TCP.cpp
2025-01-13 14:41:47 +03:00

398 lines
13 KiB
C++

#include "TCP.h"
#include "utility/w5500.h"
#include "utility/socket.h"
////////////////////////////////////////////////////////////////
EthernetMaketClient::EthernetMaketClient() {
_sock = MAX_SOCK_NUM;
// Serial.print("SOCK ?? "); Serial.println(_sock);
}
EthernetMaketClient::EthernetMaketClient(uint8_t sock) {
_sock = sock;
}
EthernetMaketClient::EthernetMaketClient(EthernetClient &client) {
_sock = client.getSocketNumber();
}
void EthernetMaketClient::tick()
{
forEach(
[](EthernetMaketClient& obj) {
obj.tick_();
}
);
}
////////////////////////////////////////////////////////////////
ConnectionStatusSimple EthernetMaketClient::connectNonBlock(IPAddress ip, uint16_t port) {
dstIP = ip;
dstPort = port;
// if(connectStatus == CONNECT_IDLE){
// connectStatus = CONNECT_START;
// }
if (_sock != MAX_SOCK_NUM) {
uint8_t status_ = status();
switch (status_) {
case SnSR::CLOSED:
Serial.println(F("connectNonBlock(): CONNECT_FAIL (CLOSED)"));
_sock = MAX_SOCK_NUM;
return CONNECT_FAIL;
break;
case SnSR::ESTABLISHED:
Serial.println(F("connectNonBlock(): CONNECT_SUCCESS (ESTABLISHED)"));
return CONNECT_SUCCESS;
break;
default:
// Serial.println(F("connectNonBlock(): CONNECT_CONNECTING (Default)"));
return CONNECT_CONNECTING;
break;
}
}
for (int i = 0; i < MAX_SOCK_NUM; i++) {
uint8_t s = w5500.readSnSR(i);
if (s == SnSR::CLOSED || s == SnSR::FIN_WAIT || s == SnSR::CLOSE_WAIT) {
_sock = i;
Serial.print("SOCK <- "); Serial.println(_sock);
break;
//todo if (s == SnSR::LISTEN){ выполнить приём и занять на время отправки сокет прослушивания }
}
}
if (_sock == MAX_SOCK_NUM) {
Serial.println(F("connectNonBlock(): CONNECT_FAIL (No available socket)"));
return CONNECT_FAIL;
}
Serial.print("sock: ");
Serial.println(_sock);
_srcport++;
if (_srcport == 0) _srcport = 1024;
socket(_sock, SnMR::TCP, _srcport, 0);
if (!::connect(_sock, rawIPAddress(ip), port)) {
Serial.println(F("connectNonBlock(): CONNECT_FAIL (Connect failed)"));
_sock = MAX_SOCK_NUM;
return CONNECT_FAIL;
}
Serial.println(F("connectNonBlock(): CONNECT_CONNECTING (Connection initiated)"));
return CONNECT_CONNECTING;
}
bool EthernetMaketClient::canWriteIntoConnection(size_t size) const {
return connectStatus == CONNECT_CONNECTED /* && w5500.getTXFreeSize(_sock) >= size */;
}
void EthernetMaketClient::disconnect(){
if (_sock == MAX_SOCK_NUM)
return;
::disconnect(_sock);
}
void EthernetMaketClient::close(){
if (_sock == MAX_SOCK_NUM)
return;
::close(_sock);
_sock = MAX_SOCK_NUM;
}
void EthernetMaketClient::tick_(){
if(_sock != MAX_SOCK_NUM && connectStatus!=CONNECT_CONNECTED && connectStatus!=CONNECT_STOP_WAITING&&connectStatus!=CONNECT_CONNECTING){
uint8_t s = w5500.readSnSR(_sock);
String state = "";
switch (s) {
case 0x00: state = "CLOSED"; connectStatus = CONNECT_STOP_WAITING; break;
case 0x13: state = "INIT"; break;
case 0x14: state = "LISTEN"; break;
case 0x15: state = "SYNSENT"; break;
case 0x16: state = "SYNRECV"; break;
case 0x17: state = "ESTABLISHED"; connectStatus = CONNECT_CONNECTED; goto switchLabel; break;
case 0x18: state = "FIN_WAIT"; break;
case 0x1A: state = "CLOSING"; break;
case 0x1B: state = "TIME_WAIT"; break;
case 0x1C: state = "CLOSE_WAIT"; connectStatus = CONNECT_STOP_START; break;
case 0x1D: state = "LAST_ACK"; break;
case 0x22: state = "UDP"; break;
case 0x32: state = "IPRAW"; break;
case 0x42: state = "MACRAW"; break;
case 0x5F: state = "PPPOE"; break;
default: state = "UNKNOWN"; break;
}
String connectStatusStr = "";
switch (connectStatus) {
case CONNECT_FAIL: connectStatusStr = "CONNECT_FAIL"; break;
case CONNECT_SUCCESS: connectStatusStr = "CONNECT_SUCCESS"; break;
case CONNECT_CONNECTING: connectStatusStr = "CONNECT_CONNECTING"; break;
case CONNECT_START: connectStatusStr = "CONNECT_START"; break;
case CONNECT_IDLE: connectStatusStr = "CONNECT_IDLE"; break;
case CONNECT_CONNECTED: connectStatusStr = "CONNECT_CONNECTED"; break;
case CONNECT_STOP_START: connectStatusStr = "CONNECT_STOP_START"; break;
case CONNECT_STOP_WAITING: connectStatusStr = "CONNECT_STOP_WAITING"; break;
default: connectStatusStr = "UNKNOWN"; break;
}
Serial.print("tick_() sock = "); Serial.print(_sock);
Serial.print(" state = ");
Serial.print(state);
Serial.print(" connectStatus = ");
Serial.print(connectStatusStr);
Serial.println();
}
//todo [] Пересмотреть стейт машину перевести на нативные статусы
switchLabel:
switch (connectStatus)
{
case CONNECT_START:
Serial.println("CONNECT_START");
startConnectionTime = millis();
connectStatus = CONNECT_CONNECTING;
close();
Serial.println("CONNECT_CONNECTING...");
{
for (int i = 0; i < MAX_SOCK_NUM; i++) {
uint8_t s = w5500.readSnSR(i);
String state = "";
switch (s) {
case 0x00: state = "CLOSED"; break;
case 0x13: state = "INIT"; break;
case 0x14: state = "LISTEN"; break;
case 0x15: state = "SYNSENT"; break;
case 0x16: state = "SYNRECV"; break;
case 0x17: state = "ESTABLISHED"; break;
case 0x18: state = "FIN_WAIT"; break;
case 0x1A: state = "CLOSING"; break;
case 0x1B: state = "TIME_WAIT"; break;
case 0x1C: state = "CLOSE_WAIT"; break;
case 0x1D: state = "LAST_ACK"; break;
case 0x22: state = "UDP"; break;
case 0x32: state = "IPRAW"; break;
case 0x42: state = "MACRAW"; break;
case 0x5F: state = "PPPOE"; break;
default: state = "UNKNOWN"; break;
}
Serial.print("SOCK <- ");
Serial.print(i);
Serial.print(" State: ");
Serial.println(state);
}
}
break;
case CONNECT_CONNECTING:
if (millis() - startConnectionTime >= connectionTimeout)
{
connectStatus = CONNECT_FAIL;
break;
}
break;
case CONNECT_FAIL:
Serial.println("CONNECT_FAIL");
Serial.print("Failed to connect to server in ");
Serial.println(isNonBlocking ? "non-blocking mode" : "blocking mode");
Serial.println("\n");
connectStatus = CONNECT_STOP_START;
break;
case CONNECT_SUCCESS:
Serial.println("CONNECT_SUCCESS");
Serial.print("Connected to server in ");
Serial.println(isNonBlocking ? "non-blocking mode" : "blocking mode");
lastActivityTime = millis();
connectStatus = CONNECT_CONNECTED;
lastActivityTime = millis(); // Обновляем время последней активности
break;
case CONNECT_CONNECTED:
//! Передача пакетов
dataWrite();
//! Передача завершена
if (!connected())
{
Serial.println("Client disconnected");
connectStatus = CONNECT_STOP_START;
}
// Закрытие соединения по таймеру неактивности
if (connected() && (millis() - lastActivityTime > timeout))
{
Serial.println("Connection closed due to inactivity");
connectStatus = CONNECT_STOP_START;
goto switchLabel;
}
break;
case CONNECT_STOP_START:
Serial.println("CONNECT_STOP_START");
dstIP = IPAddress(0,0,0,0);
dstPort = 0;
disconnect();
stopStartTime = millis();
connectStatus = CONNECT_STOP_WAITING;
Serial.println("CONNECT_STOP_WAITING");
break;
case CONNECT_STOP_WAITING:
if (millis() - stopStartTime >= stopTimeout) {
close(); // Окончательное закрытие сокета после таймаута
connectStatus = CONNECT_IDLE;
} else {
// Проверяем состояние сокета для завершения разрыва
uint8_t status_ = status();
if (status_ == SnSR::CLOSED || status_ == SnSR::CLOSE_WAIT) {
close(); // Закрываем при достижении состояния
connectStatus = CONNECT_IDLE;
}
}
if(connectStatus == CONNECT_IDLE) {
Serial.println("CONNECT_IDLE\n\n");
}
break;
case CONNECT_IDLE:
// if(dataSize){
// connectStatus = CONNECT_START;
// }
break;
default:
break;
}
//********************************************************
switch (connectStatus)
{
case CONNECT_START:
case CONNECT_CONNECTING:
if (isNonBlocking)
{
connectStatus = connectNonBlock(dstIP, dstPort);
}
else
{
connectStatus = (ConnectionStatusSimple)connect(dstIP, dstPort);
}
break;
default:
break;
}
//********************************************************
// //? [*] Проверка наличия доступных данных от сервера
// //? проверяется во вне
// if (available() > 0)
// {
// }
// //? -------------------------------------------------
}
bool EthernetMaketClient::dataWrite(){
bool ret = false;
if(dataSize) {
lastActivityTime = millis();
if(write(dataPtr, dataSize)){
clearData();
ret = true;
}
lastActivityTime = millis();
}
if(ret){
onSendSuccess();
}
return ret;
}
void EthernetMaketClient::clearData(){
this->dataPtr = nullptr;
this->dataSize = 0;
}
bool EthernetMaketClient::isDataEmpty() const{
return this->dataPtr == nullptr;
}
void EthernetMaketClient::dataWrite(uint8_t* data, uint16_t dataSize, bool override) {
if (this->dataPtr == nullptr || override) {
this->dataPtr = data;
this->dataSize = dataSize;
activityUpdate();
Serial.println("Data buffer Saved.");
// if(canWrite(dataSize)){
// dataWrite();
// } else {
// Serial.println("W5500 Buffer is full. Write operation is ignored.");
// }
} else {
Serial.println("Data buffer is not empty. Write operation is ignored.");
}
}
void EthernetMaketClient::setOnSendSuccess(const std::function<void()>& callback) {
onSendSuccess = callback;
}
void EthernetMaketClient::resetOnSendSuccess() {
onSendSuccess = []() {};
}
void EthernetMaketClient::stop(){
// if(connectStatus!=CONNECT_STOP_WAITING)
connectStatus = CONNECT_STOP_START;
}
void EthernetMaketClient::startConnection(IPAddress ip, uint16_t port, bool nonBlock){
dstIP = ip;
dstPort = port;
isNonBlocking = nonBlock;
connectStatus = CONNECT_START;
};
void EthernetMaketClient::activityUpdate(){
lastActivityTime = millis();
}
EthernetMaketClient& EthernetMaketClient::operator=(const EthernetMaketClient& other) {
if (this == &other) {
return *this; // Защита от самоприсваивания
}
// Копируем все данные
this->lastActivityTime = other.lastActivityTime;
this->startConnectionTime = other.startConnectionTime;
this->stopStartTime = other.stopStartTime;
this->isNonBlocking = other.isNonBlocking;
this->connectStatus = other.connectStatus;
// this->timeout = other.timeout;
// this->connectionTimeout = other.connectionTimeout;
// this->stopTimeout = other.stopTimeout;
this->dstIP = other.dstIP;
this->dstPort = other.dstPort;
this->dataPtr = other.dataPtr;
this->dataSize = other.dataSize;
this->onSendSuccess = other.onSendSuccess;
this->_sock = other._sock;
// Отключаем исполнение старого клиента
const_cast<EthernetMaketClient&>(other).connectStatus = CONNECT_IDLE;
return *this;
}
ConnectionStatusSimple EthernetMaketClient::getConnectionStatus() const {
return connectStatus;
}