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Robert Nishihara
d77b685a90
* Initial scheduler commit * global scheduler * add global scheduler * Implement global scheduler skeleton. * Formatting. * Allow local scheduler to be started without a connection to redis so that we can test it without a global scheduler. * Fail if there are no local schedulers when the global scheduler receives a task. * Initialize uninitialized value and formatting fix. * Generalize local scheduler table to db client table. * Remove code duplication in local scheduler and add flag for whether a task came from the global scheduler or not. * Queue task specs in the local scheduler instead of tasks. * Simple global scheduler tests, including valgrind. * Factor out functions for starting processes. * Fixes.
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#ifndef DB_CLIENT_TABLE_H
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#define DB_CLIENT_TABLE_H
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#include "db.h"
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#include "table.h"
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typedef void (*db_client_table_done_callback)(db_client_id db_client_id,
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void *user_context);
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/*
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* ==== Subscribing to the db client table ====
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*/
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/* Callback for subscribing to the db client table. */
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typedef void (*db_client_table_subscribe_callback)(db_client_id db_client_id,
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const char *client_type,
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void *user_context);
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/**
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* Register a callback for a db client table event.
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*
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* @param db_handle Database handle.
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* @param subscribe_callback Callback that will be called when the db client
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* table is updated.
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* @param subscribe_context Context that will be passed into the
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* subscribe_callback.
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* @param retry Information about retrying the request to the database.
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* @param done_callback Function to be called when database returns result.
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* @param user_context Data that will be passed to done_callback and
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* fail_callback.
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* @return Void.
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*/
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void db_client_table_subscribe(
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db_handle *db_handle,
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db_client_table_subscribe_callback subscribe_callback,
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void *subscribe_context,
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retry_info *retry,
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db_client_table_done_callback done_callback,
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void *user_context);
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/* Data that is needed to register db client table subscribe callbacks with the
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* state database. */
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typedef struct {
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db_client_table_subscribe_callback subscribe_callback;
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void *subscribe_context;
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} db_client_table_subscribe_data;
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#endif /* DB_CLIENT_TABLE_H */
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