GMutex *lock;
GCond *cond_idle;
int pending; /* Count of operations not yet complete. */
+
+ struct bluesky_stats *stats_get, *stats_put;
};
GHashTable *store_implementations;
store->lock = g_mutex_new();
store->cond_idle = g_cond_new();
store->pending = 0;
+ store->stats_get = bluesky_stats_new(g_strdup_printf("Store[%s]: GETS",
+ type));
+ store->stats_put = bluesky_stats_new(g_strdup_printf("Store[%s]: PUTS",
+ type));
g_free(scheme);
return store;
}
g_free(store);
}
+char *bluesky_store_lookup_last(BlueSkyStore *store, const char *prefix)
+{
+ return store->impl->lookup_last(store->handle, prefix);
+}
+
BlueSkyStoreAsync *bluesky_store_async_new(BlueSkyStore *store)
{
BlueSkyStoreAsync *async;
bluesky_time_hires elapsed = bluesky_now_hires() - async->start_time;
bluesky_time_hires latency = bluesky_now_hires() - async->exec_time;
- g_mutex_lock(async->store->lock);
- async->store->pending--;
- if (async->store->pending == 0)
- g_cond_broadcast(async->store->cond_idle);
- g_mutex_unlock(async->store->lock);
+ if (async->op != STORE_OP_BARRIER) {
+ g_mutex_lock(async->store->lock);
+ async->store->pending--;
+ if (async->store->pending == 0)
+ g_cond_broadcast(async->store->cond_idle);
+ g_mutex_unlock(async->store->lock);
+ }
async->status = ASYNC_COMPLETE;
g_cond_broadcast(async->completion_cond);
g_thread_pool_push(notifier_thread_pool, nl, NULL);
}
- g_log("bluesky/store", G_LOG_LEVEL_DEBUG,
- "[%p] complete: elapsed = %"PRIi64" ns, latency = %"PRIi64" ns",
- async, elapsed, latency);
+ if (bluesky_verbose) {
+ g_log("bluesky/store", G_LOG_LEVEL_DEBUG,
+ "[%p] complete: elapsed = %"PRIi64" ns, latency = %"PRIi64" ns",
+ async, elapsed, latency);
+ }
+
+ if (async->data) {
+ if (async->op == STORE_OP_GET) {
+ bluesky_stats_add(async->store->stats_get, async->data->len);
+ } else if (async->op == STORE_OP_PUT) {
+ bluesky_stats_add(async->store->stats_put, async->data->len);
+ }
+ }
}
void bluesky_store_async_submit(BlueSkyStoreAsync *async)
// processing was started, if there could be a delay from submission time.
async->exec_time = bluesky_now_hires();
- g_log("bluesky/store", G_LOG_LEVEL_DEBUG, "[%p] submit: %s %s",
- async,
- async->op == STORE_OP_GET ? "GET"
- : async->op == STORE_OP_PUT ? "PUT"
- : async->op == STORE_OP_DELETE ? "DELETE"
- : async->op == STORE_OP_BARRIER ? "BARRIER" : "???",
- async->key);
+ if (bluesky_verbose) {
+ g_log("bluesky/store", G_LOG_LEVEL_DEBUG, "[%p] submit: %s %s",
+ async,
+ async->op == STORE_OP_GET ? "GET"
+ : async->op == STORE_OP_PUT ? "PUT"
+ : async->op == STORE_OP_DELETE ? "DELETE"
+ : async->op == STORE_OP_BARRIER ? "BARRIER" : "???",
+ async->key);
+ }
/* Barriers are handled specially, and not handed down the storage
* implementation layer. */
g_mutex_unlock(barrier->lock);
g_mutex_lock(async->lock);
- if (async->barrier == NULL) {
+ if (async->barrier == NULL && async->status != ASYNC_COMPLETE) {
async->barrier = barrier;
+ g_mutex_unlock(async->lock);
} else {
- g_warning("Adding async to more than one barrier!\n");
+ if (async->barrier != NULL)
+ g_warning("Adding async to more than one barrier!\n");
+ g_mutex_unlock(async->lock);
bluesky_store_async_add_notifier(async, op_complete, barrier);
}
- g_mutex_unlock(async->lock);
}
static void notifier_task(gpointer n, gpointer s)
void bluesky_store_sync(BlueSkyStore *store)
{
g_mutex_lock(store->lock);
- g_print("Waiting for pending store operations to complete...\n");
+ if (bluesky_verbose) {
+ g_log("bluesky/store", G_LOG_LEVEL_DEBUG,
+ "Waiting for pending store operations to complete...");
+ }
while (store->pending > 0) {
g_cond_wait(store->cond_idle, store->lock);
}
g_mutex_unlock(store->lock);
- g_print("Operations are complete.\n");
+ if (bluesky_verbose) {
+ g_log("bluesky/store", G_LOG_LEVEL_DEBUG, "Operations are complete.");
+ }
}
/* Convenience wrappers that perform a single operation synchronously. */
{
}
+static char *filestore_lookup_last(gpointer store, const char *prefix)
+{
+ char *last = NULL;
+ GDir *dir = g_dir_open(".", 0, NULL);
+ if (dir == NULL) {
+ g_warning("Unable to open directory for listing");
+ return NULL;
+ }
+
+ const gchar *file;
+ while ((file = g_dir_read_name(dir)) != NULL) {
+ if (strncmp(file, prefix, strlen(prefix)) == 0) {
+ if (last == NULL || strcmp(file, last) > 0) {
+ g_free(last);
+ last = g_strdup(file);
+ }
+ }
+ }
+ g_dir_close(dir);
+
+ return last;
+}
+
static BlueSkyStoreImplementation filestore_impl = {
.create = filestore_create,
.destroy = filestore_destroy,
.submit = filestore_submit,
.cleanup = filestore_cleanup,
+ .lookup_last = filestore_lookup_last,
+};
+
+/* A store implementation which simply discards all data, for testing. */
+static gpointer nullstore_create(const gchar *path)
+{
+ return (gpointer)nullstore_create;
+}
+
+static void nullstore_destroy(gpointer store)
+{
+}
+
+static void nullstore_submit(gpointer s, BlueSkyStoreAsync *async)
+{
+ bluesky_store_async_mark_complete(async);
+}
+
+static void nullstore_cleanup(gpointer store, BlueSkyStoreAsync *async)
+{
+}
+
+static BlueSkyStoreImplementation nullstore_impl = {
+ .create = nullstore_create,
+ .destroy = nullstore_destroy,
+ .submit = nullstore_submit,
+ .cleanup = nullstore_cleanup,
};
void bluesky_store_init()
bluesky_max_threads, FALSE, NULL);
bluesky_store_register(&memstore_impl, "mem");
bluesky_store_register(&filestore_impl, "file");
+ bluesky_store_register(&nullstore_impl, "null");
}
projects / bluesky.git / blobdiff