megaco_udp

start_transport() -> {ok, TransportRef}

Types

This function is used for starting the UDP/IP transport service. Use exit(TransportRef, Reason) to stop the transport service.

open(TransportRef, OptionList) -> {ok, Handle, ControlPid} | {error, Reason}

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This function is used to open an UDP/IP socket.

The module option makes it possible for the user to provide their own callback module. The functions receive_message/4 or process_received_message/4 of this module is called when a new message is received (which one depends on the size of the message; small - receive_message, large - process_received_message). Default value is megaco.

close(Handle, Msg) -> ok

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This function is used for closing an active UDP socket.

socket(Handle) -> Socket

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This function is used to convert a socket_handle() to a inet_socket(). inet_socket() is a plain socket, see the inet module for more info.

create_send_handle(Handle, Host, Port) -> send_handle()

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Creates a send handle from a transport handle. The send handle is intended to be used by megaco_udp:send_message/2.

send_message(SendHandle, Msg) -> ok

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Sends a message on a socket. The send handle is obtained by megaco_udp:create_send_handle/3. Increments the NumOutMessages and NumOutOctets counters if message successfully sent. In case of a failure to send, the NumErrors counter is not incremented. This is done elsewhere in the megaco app.

block(Handle) -> ok

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Stop receiving incoming messages on the socket.

unblock(Handle) -> ok

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Starting to receive incoming messages from the socket again.

upgrade_receive_handle(ControlPid, NewHandle) -> ok

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Update the receive handle of the control process (e.g. after having changed protocol version).

get_stats() -> {ok, TotalStats} | {error, Reason}

get_stats(SendHandle) -> {ok, SendHandleStats} | {error, Reason}

get_stats(SendHandle, Counter) -> {ok, CounterStats} | {error, Reason}

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Retreive the UDP related (SNMP) statistics counters.

reset_stats() -> void()

reset_stats(SendHandle) -> void()

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Reset all TCP related (SNMP) statistics counters.