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dirmngr: Add a background task framework.

Browse source 
* dirmngr/workqueue.c: New.
* dirmngr/Makefile.am (dirmngr_SOURCES): Add new file.
* dirmngr/server.c (server_local_s): New field session_id.
(cmd_wkd_get): Add a task.
(task_check_wkd_support): New stub function.
(cmd_getinfo): New sub-commands "session_id" and "workqueue".
(start_command_handler): Add arg session_id and store it in
SERVER_LOCAL.
(dirmngr_status_helpf): New.
* dirmngr/dirmngr.h (wqtask_t): New type.
* dirmngr/dirmngr.c (main): Pass 0 as session_id to
start_command_handler.
(start_connection_thread): Introduce a session_id and pass it to
start_command_handler.  Run post session tasks.
(housekeeping_thread): Run global workqueue tasks.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 96a4fbecd1)
This commit is contained in:
Werner Koch 2017-11-14 13:42:18 +01:00
parent 7a663c296e
commit f2997adee0
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
5 changed files with 305 additions and 12 deletions
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13
dirmngr/dirmngr.h
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@ -228,9 +228,11 @@ ksba_cert_t get_cert_local_ski (ctrl_t ctrl,
gpg_error_t get_istrusted_from_client (ctrl_t ctrl, const char *hexfpr);
int dirmngr_assuan_log_monitor (assuan_context_t ctx, unsigned int cat,
const char *msg);
void start_command_handler (gnupg_fd_t fd);
void start_command_handler (gnupg_fd_t fd, unsigned int session_id);
gpg_error_t dirmngr_status (ctrl_t ctrl, const char *keyword, ...);
gpg_error_t dirmngr_status_help (ctrl_t ctrl, const char *text);
gpg_error_t dirmngr_status_helpf (ctrl_t ctrl, const char *format,
...) GPGRT_ATTR_PRINTF(2,3);
gpg_error_t dirmngr_status_printf (ctrl_t ctrl, const char *keyword,
const char *format,
...) GPGRT_ATTR_PRINTF(3,4);
@ -258,6 +260,15 @@ void domaininfo_set_wkd_supported (const char *domain);
void domaininfo_set_wkd_not_supported (const char *domain);
void domaininfo_set_wkd_not_found (const char *domain);
/*-- workqueue.c --*/
typedef const char *(*wqtask_t)(ctrl_t ctrl, const char *args);
void workqueue_dump_queue (ctrl_t ctrl);
gpg_error_t workqueue_add_task (wqtask_t func, const char *args,
unsigned int session_id, int need_network);
void workqueue_run_global_tasks (ctrl_t ctrl, int with_network);
void workqueue_run_post_session_tasks (unsigned int session_id);
#endif /*DIRMNGR_H*/