[zeromq-dev] Requesting suggestions for getsockopt() in Java

Martin Sustrik sustrik at 250bpm.com
Mon Aug 9 16:42:04 CEST 2010

gonzalo diethelm wrote:
>>> As always, just copy Sun's original implementation, implement
> getters
>>> and setters for every socket option:
>> +1
> Ok, but I seem to remember there was a point made about not adding
> separate interfaces for each socket option; this way, when new options
> are added, old code can be made aware of them without changes (or
> something to that effect). Perhaps this only applied to C code.
> So, if we go the full Java way, we would end up with the following
> methods:
>   void setSocketHWM(int hwm);
>   void setSocketSwap(int swap);
>   void setSocketAffinity(int affinity);
>   void setSocketIdentity(byte[] identity);
>   void setSocketSubscribe(byte[] subscribe);
>   void setSocketUnsubscribe(byte[] unsubscribe);
>   void setSocketRate(int rate);
>   void setSocketRecoveryInterval(int recovery_interval);
>   void setSocketMulticastLoop(boolean multicast_loop);
>   void setSocketSendBufferSize(int sndbuf);
>   void setSocketReceiveBufferSize(int rcvbuf);
>   void setSocketReceiveMore(boolean rcvmore);
>   int getSocketHWM();
>   int getSocketSwap();
>   int getSocketAffinity();
>   byte[] getSocketIdentity();
>   byte[] getSocketSubscribe();
>   byte[] getSocketUnsubscribe();
>   int getSocketRate();
>   int getSocketRecoveryInterval();
>   boolean getSocketMulticastLoop();
>   int getSocketSendBufferSize();
>   int getSocketReceiveBufferSize();
>   boolean getSocketReceiveMore();
> Thoughts?

What I saw on the page referenced by Steve looked like this:

	void setOption(int optID, Object val) throws SocketException;
	Object getOption(int optID) throws SocketException;

Isn't that sandard Java sockopt interface?


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