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Store copies of Uri as keys in the hash table.

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This commit is contained in:
Gregory Burd 2013-04-18 11:47:12 -04:00
parent 60dd048b7e
commit 83bca853f3
1 changed files with 14 additions and 2 deletions
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16
c_src/wterl.c
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@ -147,8 +147,10 @@ __close_all_sessions(WterlConnHandle *conn_handle)
for (itr = kh_begin(h); itr != kh_end(h); ++itr) {
if (kh_exist(h, itr)) {
WT_CURSOR *cursor = kh_val(h, itr);
char *key = (char *)kh_key(h, itr);
cursor->close(cursor);
kh_del(cursors, h, itr);
enif_free(key);
kh_value(h, itr) = NULL;
}
}
@ -176,8 +178,10 @@ __close_cursors_on(WterlConnHandle *conn_handle, const char *uri)
khiter_t itr = kh_get(cursors, h, (char *)uri);
if (itr != kh_end(h)) {
WT_CURSOR *cursor = kh_value(h, itr);
char *key = (char *)kh_key(h, itr);
cursor->close(cursor);
kh_del(cursors, h, itr);
enif_free(key);
kh_value(h, itr) = NULL;
}
}
@ -208,8 +212,15 @@ __retain_cursor(WterlConnHandle *conn_handle, unsigned int worker_id, const char
return rc;
}
char *key = enif_alloc(sizeof(Uri));
if (!key) {
session->close(session, NULL);
enif_mutex_unlock(conn_handle->contexts_mutex);
return ENOMEM;
}
memcpy(key, uri, 128);
int itr_status;
itr = kh_put(cursors, h, uri, &itr_status);
itr = kh_put(cursors, h, key, &itr_status);
kh_value(h, itr) = *cursor;
enif_mutex_unlock(conn_handle->contexts_mutex);
}
@ -378,7 +389,7 @@ ASYNC_NIF_DECL(
h = args->priv->conns;
khiter_t itr;
itr = kh_get(conns, h, conn);
if (itr == 0) {
if (itr != kh_end(h)) {
/* key exists in table (as expected) delete it */
kh_del(conns, h, itr);
kh_value(h, itr) = NULL;
@ -1916,6 +1927,7 @@ on_unload(ErlNifEnv *env, void *priv_data)
enif_mutex_lock(c->contexts_mutex);
enif_free((void*)c->session_config);
for (i = 0; i < ASYNC_NIF_MAX_WORKERS; i++) {
// TODO: free keys
kh_destroy(cursors, c->contexts[i].cursors);
}
}