[Pvfs2-developers] server id

[walt]

Thanks guys!  That helps a lot!

Walt

Phil Carns wrote:
>> On Mar 12, 2008, at 8:53 AM, Phil Carns wrote:
>>
>>> The shortest way that I see is this:
>>>
>>> 1) call PINT_cached_config_get_server_name() to get the name of the 
>>> server that owns the handle in question (ie, "tcp://host:port")
>>>
>>> 2) call get_server_config_struct() to get a pointer to your local 
>>> server's configuration values
>>>
>>> 3) do a string comparison of the string from step 1 to the "host_id" 
>>> field in the struct from step 2 and see if they match
>>
>> It might be cleaner/easier to do:
>>
>> config = get_server_config_struct();
>> PINT_cached_config_get_server(fsid, config->host_id, server_type, 
>> &extent_array);
>>
>> If you don't care about the server type, you can pass in:
>>
>>  PINT_SERVER_TYPE_META|PINT_SERVER_TYPE_IO
>>
>> Then with the returned extent_array, you can do:
>>
>> is_my_handle = PINT_handle_in_extent_array(&extent_array, your_handle);
>>
>> That function is defined in src/common/misc/extent-utils.h
> 
> Yeah, Sam's approach is definitely nicer.  That way if you have to look 
> at many handles you only have to make one cached config call and then 
> you can use the much cheaper extent array function for each handle.  My 
> approach required both searching the cached config and doing a string 
> comparison for every handle.
> 
> -Phil
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