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To Use the API for Storing Name-Value Records
Call hc_init once per process.
Call
“hc_session_create_ez”onpage 53 to initializethe session and download theschema.
Createthe metadata record with
“hc_nvr_create”onpage 65.
Fillthe new metadata pieceby piece with hc_nvr_add_metadata_* functions (see
“Building
Name-Value Records”onpage 66
) foreach 5800 system type.
Call either
“hc_store_metadata_ez”onpage 88 or “hc_store_both_ez”on page 87 to store
the new metadata record.
When you are done, freethe metadata record bycalling
“hc_nvr_free”onpage 66.
When the sessionis nished, call
“hc_session_free”onpage 55 to freethe session data
structures.
When all threads arecompleted, call hc_cleanup to release theglobal session.
Using Returned Name-Value Records
Name-value records are also returned as the result of queries that return metadata information,
such as
“hc_retrieve_metadata_ez” on page 92.
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To Use Returned Name-Value Records
Run the query to create an“hc_nvr_t”on page 48record or atable of “hc_nvr_t”on page 48
structures.
Use either name-based access (for example, hc_nvr_get_*) or index-based access (for example,
“hc_nvr_get_count” on page 76 and “hc_nvr_get_value_at_index” on page 77).
To free the
“hc_nvr_t”onpage 48 structure, call“hc_nvr_free”on page 66.
Note – Structures created by hc_nvr_create can also be freed by calling hc_nvr_free.
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SynchronousCAPI Functions
SunStorageTek 5800SystemClientAPIReferenceManual • June 200864