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haproxy/include/haproxy/init.h

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REORG: global: move initcall register code in a dedicated file Create a new module init which contains code related to REGISTER_* macros for initcalls. init.h is included in api.h to make init code available to all modules. It's a step to clean up a bit haproxy.c/global.h.
2021-03-25 10:09:38 -04:00
#ifndef _HAPROXY_INIT_H
#define _HAPROXY_INIT_H
#include <haproxy/init-t.h>
#include <haproxy/initcall.h>
struct proxy;
struct server;
MINOR: init: add the pre-check callback This adds a call to function <fct> to the list of functions to be called at the step just before the configuration validity checks. This is useful when you need to create things like it would have been done during the configuration parsing and where the initialization should continue in the configuration check. It could be used for example to generate a proxy with multiple servers using the configuration parser itself. At this step the trash buffers are allocated. Threads are not yet started so no protection is required. The function is expected to return non-zero on success, or zero on failure. A failure will make the process emit a succinct error message and immediately exit.
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extern struct list pre_check_list;
REORG: global: move initcall register code in a dedicated file Create a new module init which contains code related to REGISTER_* macros for initcalls. init.h is included in api.h to make init code available to all modules. It's a step to clean up a bit haproxy.c/global.h.
2021-03-25 10:09:38 -04:00
extern struct list post_check_list;
extern struct list post_proxy_check_list;
extern struct list post_server_check_list;
extern struct list per_thread_alloc_list;
extern struct list per_thread_init_list;
extern struct list post_deinit_list;
extern struct list proxy_deinit_list;
extern struct list server_deinit_list;
extern struct list per_thread_free_list;
extern struct list per_thread_deinit_list;
MINOR: init: add the pre-check callback This adds a call to function <fct> to the list of functions to be called at the step just before the configuration validity checks. This is useful when you need to create things like it would have been done during the configuration parsing and where the initialization should continue in the configuration check. It could be used for example to generate a proxy with multiple servers using the configuration parser itself. At this step the trash buffers are allocated. Threads are not yet started so no protection is required. The function is expected to return non-zero on success, or zero on failure. A failure will make the process emit a succinct error message and immediately exit.
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void hap_register_pre_check(int (*fct)());
REORG: global: move initcall register code in a dedicated file Create a new module init which contains code related to REGISTER_* macros for initcalls. init.h is included in api.h to make init code available to all modules. It's a step to clean up a bit haproxy.c/global.h.
2021-03-25 10:09:38 -04:00
void hap_register_post_check(int (*fct)());
void hap_register_post_proxy_check(int (*fct)(struct proxy *));
void hap_register_post_server_check(int (*fct)(struct server *));
void hap_register_post_deinit(void (*fct)());
void hap_register_proxy_deinit(void (*fct)(struct proxy *));
void hap_register_server_deinit(void (*fct)(struct server *));
void hap_register_per_thread_alloc(int (*fct)());
void hap_register_per_thread_init(int (*fct)());
void hap_register_per_thread_deinit(void (*fct)());
void hap_register_per_thread_free(void (*fct)());
MINOR: init: add the pre-check callback This adds a call to function <fct> to the list of functions to be called at the step just before the configuration validity checks. This is useful when you need to create things like it would have been done during the configuration parsing and where the initialization should continue in the configuration check. It could be used for example to generate a proxy with multiple servers using the configuration parser itself. At this step the trash buffers are allocated. Threads are not yet started so no protection is required. The function is expected to return non-zero on success, or zero on failure. A failure will make the process emit a succinct error message and immediately exit.
2022-04-21 12:02:53 -04:00
/* simplified way to declare a pre-check callback in a file */
#define REGISTER_PRE_CHECK(fct) \
INITCALL1(STG_REGISTER, hap_register_pre_check, (fct))
REORG: global: move initcall register code in a dedicated file Create a new module init which contains code related to REGISTER_* macros for initcalls. init.h is included in api.h to make init code available to all modules. It's a step to clean up a bit haproxy.c/global.h.
2021-03-25 10:09:38 -04:00
/* simplified way to declare a post-check callback in a file */
#define REGISTER_POST_CHECK(fct) \
INITCALL1(STG_REGISTER, hap_register_post_check, (fct))
/* simplified way to declare a post-proxy-check callback in a file */
#define REGISTER_POST_PROXY_CHECK(fct) \
INITCALL1(STG_REGISTER, hap_register_post_proxy_check, (fct))
/* simplified way to declare a post-server-check callback in a file */
#define REGISTER_POST_SERVER_CHECK(fct) \
INITCALL1(STG_REGISTER, hap_register_post_server_check, (fct))
/* simplified way to declare a post-deinit callback in a file */
#define REGISTER_POST_DEINIT(fct) \
INITCALL1(STG_REGISTER, hap_register_post_deinit, (fct))
/* simplified way to declare a proxy-deinit callback in a file */
#define REGISTER_PROXY_DEINIT(fct) \
INITCALL1(STG_REGISTER, hap_register_proxy_deinit, (fct))
/* simplified way to declare a proxy-deinit callback in a file */
#define REGISTER_SERVER_DEINIT(fct) \
INITCALL1(STG_REGISTER, hap_register_server_deinit, (fct))
/* simplified way to declare a per-thread allocation callback in a file */
#define REGISTER_PER_THREAD_ALLOC(fct) \
INITCALL1(STG_REGISTER, hap_register_per_thread_alloc, (fct))
/* simplified way to declare a per-thread init callback in a file */
#define REGISTER_PER_THREAD_INIT(fct) \
INITCALL1(STG_REGISTER, hap_register_per_thread_init, (fct))
/* simplified way to declare a per-thread deinit callback in a file */
#define REGISTER_PER_THREAD_DEINIT(fct) \
INITCALL1(STG_REGISTER, hap_register_per_thread_deinit, (fct))
/* simplified way to declare a per-thread free callback in a file */
#define REGISTER_PER_THREAD_FREE(fct) \
INITCALL1(STG_REGISTER, hap_register_per_thread_free, (fct))
#endif /* _HAPROXY_INIT_H */
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