X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.c;h=0464eb77de8918f8b38d5a41c5a792212a271c5f;hp=40ef7ad25e454f312a55a48699ca896b59da7171;hb=75d545612d8fb51b7e6b2f8a7349b54502004cfa;hpb=f8a941c97b6d0a891d0e075c4996d033a7db63bf diff --git a/afs.c b/afs.c index 40ef7ad2..0464eb77 100644 --- a/afs.c +++ b/afs.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2010 Andre Noll + * Copyright (C) 2007-2011 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -233,7 +233,7 @@ int send_callback_request(callback_function *f, struct osl_object *query, *(uint32_t *) buf = afs_socket_cookie; *(int *) (buf + sizeof(afs_socket_cookie)) = query_shmid; - ret = create_remote_socket(conf.afs_socket_arg); + ret = connect_local_socket(conf.afs_socket_arg); if (ret < 0) goto out; fd = ret; @@ -468,7 +468,6 @@ again: } ret = open_and_update_audio_file(aft_row, score, &afd); if (ret < 0) { - PARA_ERROR_LOG("%s\n", para_strerror(-ret)); ret = score_delete(aft_row); if (ret < 0) { PARA_ERROR_LOG("%s\n", para_strerror(-ret)); @@ -857,37 +856,42 @@ static int execute_server_command(fd_set *rfds) return open_next_audio_file(); } -static void execute_afs_command(int fd, uint32_t expected_cookie) +/* returns 0 if no data available, 1 else */ +static int execute_afs_command(int fd, fd_set *rfds, uint32_t expected_cookie) { uint32_t cookie; int query_shmid; char buf[sizeof(cookie) + sizeof(query_shmid)]; - int ret = recv_bin_buffer(fd, buf, sizeof(buf)); + size_t n; + int ret = read_nonblock(fd, buf, sizeof(buf), rfds, &n); if (ret < 0) goto err; - if (ret != sizeof(buf)) { + if (n == 0) + return 0; + if (n != sizeof(buf)) { PARA_NOTICE_LOG("short read (%d bytes, expected %lu)\n", ret, (long unsigned) sizeof(buf)); - return; + return 1; } cookie = *(uint32_t *)buf; if (cookie != expected_cookie) { - PARA_NOTICE_LOG("received invalid cookie(got %u, expected %u)\n", + PARA_NOTICE_LOG("received invalid cookie (got %u, expected %u)\n", (unsigned)cookie, (unsigned)expected_cookie); - return; + return 1; } query_shmid = *(int *)(buf + sizeof(cookie)); if (query_shmid < 0) { PARA_WARNING_LOG("received invalid query shmid %d)\n", query_shmid); - return; + return 1; } ret = call_callback(fd, query_shmid); if (ret >= 0) - return; + return 1; err: PARA_NOTICE_LOG("%s\n", para_strerror(-ret)); + return 1; } /** Shutdown connection if query has not arrived until this many seconds. */ @@ -908,9 +912,8 @@ static void command_post_select(struct sched *s, struct task *t) } /* Check the list of connected clients. */ list_for_each_entry_safe(client, tmp, &afs_client_list, node) { - if (FD_ISSET(client->fd, &s->rfds)) - execute_afs_command(client->fd, ct->cookie); - else { /* prevent bogus connection flooding */ + ret = execute_afs_command(client->fd, &s->rfds, ct->cookie); + if (ret == 0) { /* prevent bogus connection flooding */ struct timeval diff; tv_diff(now, &client->connect_time, &diff); if (diff.tv_sec < AFS_CLIENT_TIMEOUT) @@ -947,7 +950,7 @@ static void register_command_task(uint32_t cookie) ct->task.pre_select = command_pre_select; ct->task.post_select = command_post_select; - sprintf(ct->task.status, "command task"); + sprintf(ct->task.status, "afs command task"); register_task(&ct->task); }