X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fstore-simple.c;h=ad93a05ec11b67a8634d9782143824173da9ccca;hb=0083413280deccffea5f0e34512eb02f81633dae;hp=25eef53321e30a08c5efb125c2af8f774add2429;hpb=3545d572eecff2a6e0ad53bfae3ed0c35f232cbe;p=bluesky.git diff --git a/bluesky/store-simple.c b/bluesky/store-simple.c index 25eef53..ad93a05 100644 --- a/bluesky/store-simple.c +++ b/bluesky/store-simple.c @@ -20,11 +20,56 @@ #include "bluesky-private.h" +#define MAX_IDLE_CONNECTIONS 8 + typedef struct { GThreadPool *thread_pool; struct sockaddr_in server_addr; + + /* A pool of open file connections to the server which are not currently in + * use. */ + GQueue *fd_pool; + GMutex *fd_pool_lock; } SimpleStore; +static int get_connection(SimpleStore *store) +{ + int fd = -1; + + g_mutex_lock(store->fd_pool_lock); + if (!g_queue_is_empty(store->fd_pool)) { + fd = GPOINTER_TO_INT(g_queue_pop_head(store->fd_pool)); + } + g_mutex_unlock(store->fd_pool_lock); + if (fd != -1) + return fd; + + fd = socket(PF_INET, SOCK_STREAM, 0); + if (fd < 0) { + g_warning("Error creating simplestore socket: %m"); + return -1; + } + + if (connect(fd, (struct sockaddr *)&store->server_addr, + sizeof(store->server_addr)) < 0) { + g_warning("Error connecting to simplestore server: %m"); + return -1; + } + + return fd; +} + +static void put_connection(SimpleStore *store, int fd) +{ + g_mutex_lock(store->fd_pool_lock); + g_queue_push_head(store->fd_pool, GINT_TO_POINTER(fd)); + while (g_queue_get_length(store->fd_pool) > MAX_IDLE_CONNECTIONS) { + fd = GPOINTER_TO_INT(g_queue_pop_tail(store->fd_pool)); + close(fd); + } + g_mutex_unlock(store->fd_pool_lock); +} + static gboolean write_data(int fd, const char *buf, size_t len) { while (len > 0) { @@ -103,17 +148,8 @@ static void simplestore_task(gpointer a, gpointer b) async->status = ASYNC_RUNNING; - int fd = socket(PF_INET, SOCK_STREAM, 0); + int fd = get_connection(server); if (fd < 0) { - g_warning("Error creating simplestore socket: %m"); - bluesky_store_async_mark_complete(async); - bluesky_store_async_unref(async); - return; - } - - if (connect(fd, (struct sockaddr *)&server->server_addr, - sizeof(server->server_addr)) < 0) { - g_warning("Error connecting to simplestore server: %m"); bluesky_store_async_mark_complete(async); bluesky_store_async_unref(async); return; @@ -157,6 +193,7 @@ static void simplestore_task(gpointer a, gpointer b) async->data = bluesky_string_new(data, result); async->result = 0; + async->range_done = TRUE; break; } @@ -190,10 +227,15 @@ static void simplestore_task(gpointer a, gpointer b) break; } + int success = (async->result == 0); bluesky_store_async_mark_complete(async); bluesky_store_async_unref(async); - close(fd); + if (success) { + put_connection(server, fd); + } else { + close(fd); + } } static char *simplestore_lookup_last(gpointer s, const char *prefix) @@ -207,7 +249,7 @@ static gpointer simplestore_new(const gchar *path) /* TODO: Right now we leak this memory. We should probably clean up in * simplestore_destroy, but it's not a big deal. */ - const gchar *host = "127.0.0.1", *port = "8257"; + const gchar *host = "127.0.0.1", *port = "9541"; if (path != NULL) { gchar **target = g_strsplit(path, ":", 0); if (target[0] != NULL) { @@ -231,7 +273,6 @@ static gpointer simplestore_new(const gchar *path) gai_strerror(res)); return NULL; } - freeaddrinfo(lookup_result); for (struct addrinfo *ai = lookup_result; ai != NULL; ai = ai->ai_next) { printf("flags=%d family=%d socktype=%d proto=%d\n", ai->ai_flags, @@ -245,6 +286,10 @@ static gpointer simplestore_new(const gchar *path) fprintf(stderr, "Warning: Bad address record size!\n"); } } + freeaddrinfo(lookup_result); + + store->fd_pool = g_queue_new(); + store->fd_pool_lock = g_mutex_new(); store->thread_pool = g_thread_pool_new(simplestore_task, NULL, bluesky_max_threads, FALSE, NULL);