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Use 2 sep hashing functions to account for collisions...

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Safe enough

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1208897 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jim Jagielski
2011-12-01 00:02:30 +00:00
parent 4554d337cc
commit 1eeb516b64
3 changed files with 26 additions and 14 deletions
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13
modules/proxy/mod_proxy.h
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@@ -320,6 +320,11 @@ do { \
(w)->s->io_buffer_size_set = (c)->io_buffer_size_set; \
} while (0)
/* use 2 hashes */
typedef struct {
unsigned int def;
unsigned int fnv;
} proxy_hashes ;
/* Runtime worker status informations. Shared in scoreboard */
typedef struct {
@@ -338,7 +343,7 @@ typedef struct {
int hmax; /* Hard maximum on the total number of connections */
int flush_wait; /* poll wait time in microseconds if flush_auto */
int index; /* shm array index */
unsigned int hash; /* hash of worker name */
proxy_hashes hash; /* hash of worker name */
unsigned int status; /* worker status bitfield */
enum {
flush_off,
@@ -381,7 +386,7 @@ typedef struct {
/* Worker configuration */
struct proxy_worker {
unsigned int hash; /* hash of worker name */
proxy_hashes hash; /* hash of worker name */
unsigned int local_status; /* status of per-process worker */
proxy_conn_pool *cp; /* Connection pool to use */
proxy_worker_shared *s; /* Shared data */
@@ -409,7 +414,7 @@ typedef struct {
apr_time_t wupdated; /* timestamp of last change to workers list */
int max_attempts; /* Number of attempts before failing */
int index; /* shm array index */
unsigned int hash;
proxy_hashes hash;
unsigned int sticky_force:1; /* Disable failover for sticky sessions */
unsigned int scolonsep:1; /* true if ';' seps sticky session paths */
unsigned int max_attempts_set:1;
@@ -428,7 +433,7 @@ struct proxy_balancer {
ap_slotmem_provider_t *storage;
int growth; /* number of post-config workers can added */
int max_workers; /* maximum number of allowed workers */
unsigned int hash;
proxy_hashes hash;
apr_time_t wupdated; /* timestamp of last change to workers list */
proxy_balancer_method *lbmethod;
apr_global_mutex_t *gmutex; /* global lock for updating list of workers */