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simplify EthernetInterface::setup, make code shorter and format according to our overall style

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This commit is contained in:
Harald Barth 2022-09-05 22:19:18 +02:00
parent 2e9e614ad5
commit 23d0158804
2 changed files with 77 additions and 106 deletions
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149
EthernetInterface.cpp
View File

@ -1,6 +1,7 @@
/* /*
* © 2022 Bruno Sanches
* © 2021 Fred Decker * © 2021 Fred Decker
* © 2020-2021 Harald Barth * © 2020-2022 Harald Barth
* © 2020-2021 Chris Harlow * © 2020-2021 Chris Harlow
* © 2020 Gregor Baues * © 2020 Gregor Baues
* All rights reserved. * All rights reserved.
@ -35,17 +36,13 @@ EthernetInterface * EthernetInterface::singleton=NULL;
*/ */
void EthernetInterface::setup() void EthernetInterface::setup()
{ {
if (Ethernet.hardwareStatus() == EthernetNoHardware) {
if (singleton!=NULL)
DIAG(F("Prog Error!"));
} else {
singleton=new EthernetInterface(); singleton=new EthernetInterface();
}
DIAG(F("Ethernet begin OK.")); DIAG(F("Ethernet shield %sfound"), singleton==NULL ? "not " : "");
if (Ethernet.hardwareStatus() == EthernetNoHardware) {
DIAG(F("Ethernet shield not found"));
delete singleton;
singleton=NULL;
return;
}
}; };
@ -77,42 +74,35 @@ EthernetInterface::EthernetInterface()
* *
* @return none * @return none
*/ */
EthernetInterface::~EthernetInterface() EthernetInterface::~EthernetInterface() {
{ delete server;
delete server; delete outboundRing;
delete outboundRing;
} }
/** /**
* @brief Main loop for the EthernetInterface * @brief Main loop for the EthernetInterface
* *
*/ */
void EthernetInterface::loop() void EthernetInterface::loop() {
{ if(!singleton || (!singleton->checkLink()))
if(!singleton || (!singleton->checkLink())) return;
return;
switch (Ethernet.maintain())
{
case 1:
//renewed fail
DIAG(F("Ethernet Error: renewed fail"));
singleton=NULL;
return;
case 3:
//rebind fail
DIAG(F("Ethernet Error: rebind fail"));
singleton=NULL;
return;
default:
//nothing happened
break;
}
singleton->loop2();
switch (Ethernet.maintain()) {
case 1:
//renewed fail
DIAG(F("Ethernet Error: renewed fail"));
singleton=NULL;
return;
case 3:
//rebind fail
DIAG(F("Ethernet Error: rebind fail"));
singleton=NULL;
return;
default:
//nothing happened
break;
}
singleton->loop2();
} }
/** /**
@ -120,57 +110,40 @@ void EthernetInterface::loop()
* *
* @return true when cable is connected, false otherwise * @return true when cable is connected, false otherwise
*/ */
bool EthernetInterface::checkLink() bool EthernetInterface::checkLink() {
{ if (Ethernet.linkStatus() == LinkON) {
if (Ethernet.linkStatus() == LinkON) //if we are not connected yet, setup a new server
{ if(!connected) {
//if we are not connected yet, setup a new server DIAG(F("Ethernet cable connected"));
if(!connected) connected=true;
{ IPAddress ip = Ethernet.localIP(); // reassign the obtained ip address
DIAG(F("Ethernet cable connected")); server = new EthernetServer(IP_PORT); // Ethernet Server listening on default port IP_PORT
server->begin();
connected=true; LCD(4,F("IP: %d.%d.%d.%d"), ip[0], ip[1], ip[2], ip[3]);
LCD(5,F("Port:%d"), IP_PORT);
IPAddress ip = Ethernet.localIP(); // reassign the obtained ip address // only create a outboundRing it none exists, this may happen if the cable
// gets disconnected and connected again
server = new EthernetServer(IP_PORT); // Ethernet Server listening on default port IP_PORT if(!outboundRing)
server->begin(); outboundRing=new RingStream(OUTBOUND_RING_SIZE);
LCD(4,F("IP: %d.%d.%d.%d"), ip[0], ip[1], ip[2], ip[3]);
LCD(5,F("Port:%d"), IP_PORT);
//
//only create a outboundRing it none exists, this may happen if the cable gets disconnected and connected again
if(!outboundRing)
outboundRing=new RingStream(OUTBOUND_RING_SIZE);
}
return true;
}
else if(connected)
{
DIAG(F("Ethernet cable disconnected"));
connected=false;
//clean up any client
for (byte socket = 0; socket < MAX_SOCK_NUM; socket++)
{
if(clients[socket].connected())
clients[socket].stop();
}
/* tear down server */
delete server;
server = nullptr;
LCD(4,F("IP: None"));
} }
return true;
return false; } else { // connected
DIAG(F("Ethernet cable disconnected"));
connected=false;
//clean up any client
for (byte socket = 0; socket < MAX_SOCK_NUM; socket++) {
if(clients[socket].connected())
clients[socket].stop();
}
// tear down server
delete server;
server = nullptr;
LCD(4,F("IP: None"));
}
return false;
} }
void EthernetInterface::loop2() void EthernetInterface::loop2() {
{
// get client from the server // get client from the server
EthernetClient client = server->accept(); EthernetClient client = server->accept();

34
EthernetInterface.h
View File

@ -50,25 +50,23 @@
class EthernetInterface { class EthernetInterface {
public: public:
static void setup();
static void setup(); static void loop();
static void loop();
private:
static EthernetInterface * singleton;
bool connected;
EthernetInterface();
~EthernetInterface();
void loop2();
bool checkLink();
EthernetServer * server = nullptr;
EthernetClient clients[MAX_SOCK_NUM]; // accept up to MAX_SOCK_NUM client connections at the same time; This depends on the chipset used on the Shield
uint8_t buffer[MAX_ETH_BUFFER+1]; // buffer used by TCP for the recv
RingStream * outboundRing = nullptr;
private:
static EthernetInterface * singleton;
bool connected;
EthernetInterface();
~EthernetInterface();
void loop2();
bool checkLink();
EthernetServer *server = nullptr;
EthernetClient clients[MAX_SOCK_NUM]; // accept up to MAX_SOCK_NUM client connections at the same time
// This depends on the chipset used on the Shield
uint8_t buffer[MAX_ETH_BUFFER+1]; // buffer used by TCP for the recv
RingStream * outboundRing = nullptr;
}; };
#endif #endif