mmc_t *mmc_consistent_find_server(void *s, const char *key, int key_len TSRMLS_DC) /* {{{ */
{
mmc_consistent_state_t *state = s;
mmc_t *mmc;
if (state->num_servers > 1) {
unsigned int i, hash = state->hash(key, key_len);
if (!state->buckets_populated) {
mmc_consistent_populate_buckets(state);
}
mmc = state->buckets[hash % MMC_CONSISTENT_BUCKETS];
/* perform failover if needed */
for (i=0; !mmc_open(mmc, 0, NULL, NULL TSRMLS_CC) && MEMCACHE_G(allow_failover) && i<MEMCACHE_G(max_failover_attempts); i++) {
char *next_key = emalloc(key_len + MAX_LENGTH_OF_LONG + 1);
int next_len = sprintf(next_key, "%s-%d", key, i);
MMC_DEBUG(("mmc_consistent_find_server: failed to connect to server '%s:%d' status %d, trying next", mmc->host, mmc->port, mmc->status));
hash = state->hash(next_key, next_len);
mmc = state->buckets[hash % MMC_CONSISTENT_BUCKETS];
efree(next_key);
}
}
else {
mmc = state->points[0].server;
mmc_open(mmc, 0, NULL, NULL TSRMLS_CC);
}
return mmc->status != MMC_STATUS_FAILED ? mmc : NULL;
}
mmc_t *mmc_standard_find_server(void *s, const char *key, int key_len TSRMLS_DC) /* {{{ */
{
mmc_standard_state_t *state = s;
mmc_t *mmc;
if (state->num_servers > 1) {
unsigned int hash = mmc_hash(state, key, key_len), i;
mmc = state->buckets[hash % state->num_buckets];
/* perform failover if needed */
for (i=0; !mmc_open(mmc, 0, NULL, NULL TSRMLS_CC) && MEMCACHE_G(allow_failover) && i<MEMCACHE_G(max_failover_attempts); i++) {
char *next_key = emalloc(key_len + MAX_LENGTH_OF_LONG + 1);
int next_len = sprintf(next_key, "%d%s", i+1, key);
MMC_DEBUG(("mmc_standard_find_server: failed to connect to server '%s:%d' status %d, trying next", mmc->host, mmc->port, mmc->status));
hash += mmc_hash(state, next_key, next_len);
mmc = state->buckets[hash % state->num_buckets];
efree(next_key);
}
}
else {
mmc = state->buckets[0];
mmc_open(mmc, 0, NULL, NULL TSRMLS_CC);
}
return mmc->status != MMC_STATUS_FAILED ? mmc : NULL;
}
static error_t dsource_OnCreate(t_DSAppStore* pme, gu32 d1, gu32 d2, gu32 d3, gu32 d4)
{
pme->root = AppStore_AddDir(NULL, RESID_UNDEF, RESID_UNDEF);
pme->entry = pme->root;
pme->num = 0;
pme->mmc_anim = mmc_open();
return SUCCESS;
}
