void
pool_mbr_init(TDS_POOL * pool)
{
TDS_POOL_MEMBER *pmbr;
int i;
/* allocate room for pool members */
pool->members = (TDS_POOL_MEMBER *)
calloc(pool->num_members, sizeof(TDS_POOL_MEMBER));
/* open connections for each member */
for (i = 0; i < pool->num_members; i++) {
pmbr = &pool->members[i];
if (i < pool->min_open_conn) {
pmbr->tds = pool_mbr_login(pool);
pmbr->last_used_tm = time(NULL);
if (!pmbr->tds) {
fprintf(stderr, "Could not open initial connection %d\n", i);
exit(1);
}
}
pmbr->state = TDS_IDLE;
}
}
void
pool_mbr_init(TDS_POOL * pool)
{
TDS_POOL_MEMBER *pmbr;
int i;
/* allocate room for pool members */
pool->members = (TDS_POOL_MEMBER *)
calloc(pool->num_members, sizeof(TDS_POOL_MEMBER));
/* open connections for each member */
for (i = 0; i < pool->num_members; i++) {
pmbr = &pool->members[i];
pmbr->state = TDS_IDLE;
if (i >= pool->min_open_conn)
continue;
pmbr->tds = pool_mbr_login(pool);
pmbr->last_used_tm = time(NULL);
if (!pmbr->tds) {
fprintf(stderr, "Could not open initial connection %d\n", i);
exit(1);
}
if (!IS_TDS71_PLUS(pmbr->tds->conn)) {
fprintf(stderr, "Current pool implementation does not support protocol versions former than 7.1\n");
exit(1);
}
}
}
/*
* pool_find_idle_member
* returns the first pool member in TDS_IDLE state
*/
TDS_POOL_MEMBER *
pool_find_idle_member(TDS_POOL * pool)
{
int i, active_members;
TDS_POOL_MEMBER *pmbr;
active_members = 0;
for (i = 0; i < pool->num_members; i++) {
pmbr = &pool->members[i];
if (pmbr->tds) {
active_members++;
if (pmbr->current_user == NULL) {
/*
* make sure member wasn't idle more that the timeout
* otherwise it'll send the query and close leaving a
* hung client
*/
pmbr->last_used_tm = time(NULL);
return pmbr;
}
}
}
/* if we have dead connections we can open */
if (active_members < pool->num_members) {
pmbr = NULL;
for (i = 0; i < pool->num_members; i++) {
pmbr = &pool->members[i];
if (!pmbr->tds) {
fprintf(stderr, "No open connections left, opening member number %d\n", i);
pmbr->tds = pool_mbr_login(pool);
if (pmbr->tds && !IS_TDS71_PLUS(pmbr->tds->conn)) {
tds_free_socket(pmbr->tds);
pmbr->tds = NULL;
}
pmbr->last_used_tm = time(NULL);
break;
}
}
if (pmbr)
return pmbr;
}
fprintf(stderr, "No idle members left, increase MAX_POOL_CONN\n");
return NULL;
}
