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Make EthernetInterface code more robust

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This commit is contained in:
Harald Barth
2022-11-07 11:53:56 +01:00
parent b061c0b347
commit 280e61e1fc
2 changed files with 8 additions and 2 deletions
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8
EthernetInterface.cpp
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@@ -163,6 +163,10 @@ bool EthernetInterface::checkLink() {
}
void EthernetInterface::loop2() {
if (!outboundRing) { // no idea to call loop2() if we can't handle outgoing data in it
if (Diag::ETHERNET) DIAG(F("No outboundRing"));
return;
}
// get client from the server
EthernetClient client = server->accept();
@@ -217,7 +221,9 @@ void EthernetInterface::loop2() {
// handle at most 1 outbound transmission
int socketOut=outboundRing->read();
if (socketOut>=0) {
if (socketOut >= MAX_SOCK_NUM) {
DIAG(F("Ethernet outboundRing socket=%d error"), socketOut);
} else if (socketOut >= 0) {
int count=outboundRing->count();
if (Diag::ETHERNET) DIAG(F("Ethernet reply socket=%d, count=:%d"), socketOut,count);
for(;count>0;count--) clients[socketOut].write(outboundRing->read());