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gpg: Avoid multiple open calls to the keybox file.

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* g10/keydb.h (KEYDB_HANDLE): Move typedef to ...
* g10/gpg.h: here.
(struct server_control_s): Add field 'cached_getkey_kdb'.
* g10/gpg.c (gpg_deinit_default_ctrl): Release that keydb handle.
* g10/getkey.c (getkey_end): Cache keydb handle.
(get_pubkey): Use cached keydb handle.
* kbx/keybox-search.c (keybox_search_reset): Use lseek instead of
closing the file.
--

Before this patch a "gpg --check-sigs" opened and closed the keybox
file for almost every signature check.  By caching the keydb handle
and using lseek(2) this can be limited to just 2 times.  This might
speed up things on Windows.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-03-31 20:44:05 +02:00
parent aca5f494a8
commit 5556eca5ac
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GPG key ID: E3FDFF218E45B72B
5 changed files with 33 additions and 11 deletions
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7
g10/gpg.h
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@ -59,10 +59,13 @@ struct server_local_s;
struct dirmngr_local_s;
typedef struct dirmngr_local_s *dirmngr_local_t;
/* Object used to describe a keyblok node. */
/* Object used to describe a keyblock node. */
typedef struct kbnode_struct *KBNODE; /* Deprecated use kbnode_t. */
typedef struct kbnode_struct *kbnode_t;
/* The handle for keydb operations. */
typedef struct keydb_handle *KEYDB_HANDLE;
/* TOFU database meta object. */
struct tofu_dbs_s;
typedef struct tofu_dbs_s *tofu_dbs_t;
@ -94,6 +97,8 @@ struct server_control_s
int batch_updated_wanted;
} tofu;
/* This is used to cache a key data base handle. */
KEYDB_HANDLE cached_getkey_kdb;
};