Index_E

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E

Ephemeral ports, 6, 26

Errors

address in use, 89, 149

avoiding via defensive programming, 151–155

disappearance of initial UDP datagrams, 150

error returns, 144–146, 152

failing to use function return values, 144–146

ignoring endianness of parameters, 146–147

listening on multiple interfaces, 149–150

making protocol framing assumptions, 147–149

peer socket closure, 106–108, 146

SO_ERROR option, 81, 83–84

Ethernet routing, 20

Event notification

Perl methods, 232–233

Python methods, 209–210

Ruby methods, 254–256

select function, 60–65

Tcl methods, 271–272

Exterior routing, 20

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