send
xod/w5500/send
Send a message through an opened TCP connection
send
@/send
Send a message through an opened TCP connection
SOCKxod/net/socket
A socket
MSGstring
The message to send
SNDpulse
Send the message
ERRpulse
Pulses when sending failed (for example, the connection is not open)
DONEpulse
Pulses when the message is successfully sent
C++ implementation
{{#global}}
#include <SPI.h>
#include <Ethernet2.h>
{{/global}}
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
if (!isInputDirty<input_SND>(ctx))
return;
auto client = EthernetClient(getValue<input_SOCK>(ctx));
auto msg = getValue<input_MSG>(ctx);
size_t lastWriteSize;
for (auto it = msg->iterate(); it; ++it) {
lastWriteSize = client.write((char)*it);
if (lastWriteSize == 0) {
emitValue<output_ERR>(ctx, 1);
return;
}
}
client.flush();
emitValue<output_DONE>(ctx, 1);
}