mod_lbmethod_heartbeat.c File Reference

#include "mod_proxy.h"
#include "scoreboard.h"
#include "ap_mpm.h"
#include "apr_version.h"
#include "ap_hooks.h"
#include "ap_slotmem.h"
#include "heartbeat.h"

Go to the source code of this file.

Classes
struct	lb_hb_ctx_t
struct	hb_server_t
struct	ctx_servers

Macros
#define	LBM_HEARTBEAT_MAX_LASTSEEN   (10)

Typedefs
typedef struct lb_hb_ctx_t	lb_hb_ctx_t
typedef struct hb_server_t	hb_server_t
typedef struct ctx_servers	ctx_servers_t

Functions
static void	argstr_to_table (apr_pool_t *p, char *str, apr_table_t *parms)
static apr_status_t	readfile_heartbeats (const char *path, apr_hash_t *servers, apr_pool_t *pool)
static apr_status_t	hm_read (void *mem, void *data, apr_pool_t *pool)
static apr_status_t	readslot_heartbeats (ctx_servers_t *ctx, apr_pool_t *pool)
static apr_status_t	read_heartbeats (const char *path, apr_hash_t *servers, apr_pool_t *pool)
static proxy_worker *	find_best_hb (proxy_balancer *balancer, request_rec *r)
static apr_status_t	reset (proxy_balancer *balancer, server_rec *s)
static apr_status_t	age (proxy_balancer *balancer, server_rec *s)
static int	lb_hb_init (apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
static void	register_hooks (apr_pool_t *p)
static void *	lb_hb_create_config (apr_pool_t *p, server_rec *s)
static void *	lb_hb_merge_config (apr_pool_t *p, void *basev, void *overridesv)
static const char *	cmd_lb_hb_storage (cmd_parms *cmd, void *dconf, const char *path)

Variables
static int(*	ap_proxy_retry_worker_fn )(const char *proxy_function, proxy_worker *worker, server_rec *s) = NULL
static const ap_slotmem_provider_t *	storage = NULL
static ap_slotmem_instance_t *	hm_serversmem = NULL
static const proxy_balancer_method	heartbeat
static const command_rec	cmds []
static int *const	aplog_module_index = &( lbmethod_heartbeat_module.module_index)

Macro Definition Documentation

LBM_HEARTBEAT_MAX_LASTSEEN

#define LBM_HEARTBEAT_MAX_LASTSEEN   (10)

Definition at line 29 of file mod_lbmethod_heartbeat.c.

Typedef Documentation

ctx_servers_t

typedef struct ctx_servers ctx_servers_t

hb_server_t

typedef struct hb_server_t hb_server_t

lb_hb_ctx_t

typedef struct lb_hb_ctx_t lb_hb_ctx_t

Function Documentation

age()

static apr_status_t age ( proxy_balancer *  balancer, server_rec *  s  )

static

Definition at line 347 of file mod_lbmethod_heartbeat.c.

argstr_to_table()

static void argstr_to_table ( apr_pool_t *  p, char *  str, apr_table_t *  parms  )

static

Definition at line 65 of file mod_lbmethod_heartbeat.c.

cmd_lb_hb_storage()

static const char * cmd_lb_hb_storage ( cmd_parms *  cmd, void *  dconf, const char *  path  )

static

< Forbidden in <VirtualHost>

< Forbidden in <Limit>

< Forbidden in <Directory>

< Forbidden in <Location>

< Forbidden in <Files> or <If>

< Forbidden in <Proxy>

Definition at line 431 of file mod_lbmethod_heartbeat.c.

find_best_hb()

static proxy_worker * find_best_hb ( proxy_balancer *  balancer, request_rec *  r  )

static

Definition at line 257 of file mod_lbmethod_heartbeat.c.

hm_read()

static apr_status_t hm_read ( void *  mem, void *  data, apr_pool_t *  pool  )

static

Definition at line 212 of file mod_lbmethod_heartbeat.c.

lb_hb_create_config()

static void * lb_hb_create_config ( apr_pool_t *  p, server_rec *  s  )

static

Definition at line 406 of file mod_lbmethod_heartbeat.c.

lb_hb_init()

static int lb_hb_init ( apr_pool_t *  p, apr_pool_t *  plog, apr_pool_t *  ptemp, server_rec *  s  )

static

< Module has handled this stage.

< Module has handled this stage.

< Module has handled this stage.

Definition at line 362 of file mod_lbmethod_heartbeat.c.

lb_hb_merge_config()

static void * lb_hb_merge_config ( apr_pool_t *  p, void *  basev, void *  overridesv  )

static

Definition at line 415 of file mod_lbmethod_heartbeat.c.

read_heartbeats()

static apr_status_t read_heartbeats ( const char *  path, apr_hash_t *  servers, apr_pool_t *  pool  )

static

Definition at line 243 of file mod_lbmethod_heartbeat.c.

readfile_heartbeats()

static apr_status_t readfile_heartbeats ( const char *  path, apr_hash_t *  servers, apr_pool_t *  pool  )

static

< Open the file for reading

<

Deprecated:

See also

APR_FOPEN_READ

< Open the file in binary mode (This flag is ignored on UNIX because it has no meaning)

<

Deprecated:

See also

APR_FOPEN_BINARY

< Open the file for buffered I/O

<

Deprecated:

See also

APR_FOPEN_BUFFERED

< use OS's default permissions

<

Deprecated:

See also

APR_FPROT_OS_DEFAULT

< Size of the file

Definition at line 92 of file mod_lbmethod_heartbeat.c.

readslot_heartbeats()

static apr_status_t readslot_heartbeats ( ctx_servers_t *  ctx, apr_pool_t *  pool  )

static

Definition at line 235 of file mod_lbmethod_heartbeat.c.

register_hooks()

static void register_hooks ( apr_pool_t *  p )

static

Definition at line 399 of file mod_lbmethod_heartbeat.c.

reset()

static apr_status_t reset ( proxy_balancer *  balancer, server_rec *  s  )

static

Definition at line 342 of file mod_lbmethod_heartbeat.c.

Variable Documentation

ap_proxy_retry_worker_fn

int(* ap_proxy_retry_worker_fn) (const char *proxy_function, proxy_worker *worker, server_rec *s) ( const char *  proxy_function, proxy_worker *  worker, server_rec *  s  ) = NULL

static

Definition at line 34 of file mod_lbmethod_heartbeat.c.

aplog_module_index

int* const aplog_module_index = &( lbmethod_heartbeat_module.module_index)

static

Definition at line 456 of file mod_lbmethod_heartbeat.c.

cmds

const command_rec cmds[]

static

Initial value:

= {
    
{  "HeartbeatStorage" ,  cmd_lb_hb_storage ,  NULL ,   128   , TAKE1,  "Path to read heartbeat data."  },
    {NULL}
}

Definition at line 450 of file mod_lbmethod_heartbeat.c.

heartbeat

const proxy_balancer_method heartbeat

static

Initial value:

=
{
    "heartbeat",
    &find_best_hb,
    NULL,
    &reset,
    &age,
    NULL
}

Definition at line 352 of file mod_lbmethod_heartbeat.c.

hm_serversmem

ap_slotmem_instance_t* hm_serversmem = NULL

static

Definition at line 38 of file mod_lbmethod_heartbeat.c.

storage

const ap_slotmem_provider_t* storage = NULL

static

Definition at line 37 of file mod_lbmethod_heartbeat.c.