X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=vss.c;h=89e06c92beb5b934b567cc48b93a91081d433931;hp=cb99366be353bdf40f852afc291ac0d1b1ae532c;hb=73aebb78da7297053f41dba5b3f0cefb33ad248e;hpb=51cab2aba416fc1d57336f4e72da6b76ec60174c diff --git a/vss.c b/vss.c index cb99366b..89e06c92 100644 --- a/vss.c +++ b/vss.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1997-2007 Andre Noll + * Copyright (C) 1997-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -29,8 +29,6 @@ #include "ipc.h" #include "fd.h" -extern const char *status_item_list[]; - static struct timeval announce_tv; static struct timeval data_send_barrier; static struct timeval eof_barrier; @@ -86,6 +84,18 @@ unsigned int vss_paused(void) && !(mmd->new_vss_status_flags & VSS_PLAYING); } +/** + * Check if the vss is currently stopped. + * + * \return Greater than zero if paused, zero otherwise. + * + */ +unsigned int vss_stopped(void) +{ + return (mmd->new_vss_status_flags & VSS_NEXT) + && !(mmd->new_vss_status_flags & VSS_PLAYING); +} + /** * Initialize the virtual streaming system. * @@ -167,8 +177,7 @@ static struct timeval *vss_compute_timeout(void) if (!vss_playing() || !map) return NULL; vss_next_chunk_time(&next_chunk); - if (chk_barrier(audio_format_name(mmd->afd.afsi.audio_format_id), - &now, &next_chunk, &the_timeout, 0) < 0) + if (chk_barrier("chunk", &now, &next_chunk, &the_timeout, 0) < 0) return &the_timeout; /* chunk is due or bof */ the_timeout.tv_sec = 0; @@ -187,6 +196,8 @@ static void vss_eof(void) senders[i].shutdown_clients(); return; } + if (mmd->new_vss_status_flags & VSS_NOMORE) + mmd->new_vss_status_flags = VSS_NEXT; gettimeofday(&now, NULL); tv_add(&mmd->afd.afhi.eof_tv, &now, &eof_barrier); munmap(map, mmd->size); @@ -196,13 +207,12 @@ static void vss_eof(void) mmd->afd.afhi.seconds_total = 0; free(mmd->afd.afhi.chunk_table); mmd->afd.afhi.chunk_table = NULL; - tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_AUDIO_INFO1], - status_item_list[SI_AUDIO_INFO2], status_item_list[SI_AUDIO_INFO3]); + tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_AUDIO_FILE_INFO], + status_item_list[SI_TAGINFO1], status_item_list[SI_TAGINFO2]); strncpy(mmd->afd.afhi.info_string, tmp, sizeof(mmd->afd.afhi.info_string)); mmd->afd.afhi.info_string[sizeof(mmd->afd.afhi.info_string) - 1] = '\0'; + make_empty_status_items(mmd->afd.verbose_ls_output); free(tmp); - mmd->afd.afsi.lyrics_id = 0; - mmd->afd.afsi.image_id = 0; mmd->mtime = 0; mmd->size = 0; mmd->events++; @@ -251,9 +261,13 @@ struct timeval *vss_chunk_time(void) return &mmd->afd.afhi.chunk_tv; } +/** The possible states of the afs socket. See \ref afs_socket. */ enum afs_socket_status { + /** Socket is inactive. */ AFS_SOCKET_READY, + /** Socket fd was included in the write fd set for select(). */ AFS_SOCKET_CHECK_FOR_WRITE, + /** vss wrote a request to the socket and waits for afs to reply. */ AFS_SOCKET_AFD_PENDING }; @@ -305,8 +319,6 @@ struct timeval *vss_preselect(fd_set *rfds, fd_set *wfds, int *max_fileno) tv_add(&mmd->afd.afhi.eof_tv, &now, &eof_barrier); if (vss_repos()) tv_add(&now, &announce_tv, &data_send_barrier); - if (mmd->new_vss_status_flags & VSS_NOMORE) - mmd->new_vss_status_flags = VSS_NEXT; } mmd->chunks_sent = 0; } @@ -337,6 +349,7 @@ static int recv_afs_msg(int *fd, uint32_t *code, uint32_t *data) struct iovec iov; int ret = 0; + *fd = -1; iov.iov_base = buf; iov.iov_len = sizeof(buf); msg.msg_iov = &iov; @@ -347,6 +360,7 @@ static int recv_afs_msg(int *fd, uint32_t *code, uint32_t *data) ret = recvmsg(afs_socket, &msg, 0); if (ret < 0) return -ERRNO_TO_PARA_ERROR(errno); + afsss = AFS_SOCKET_READY; if (iov.iov_len != sizeof(buf)) return -E_SHORT_AFS_READ; *code = *(uint32_t*)buf; @@ -364,7 +378,7 @@ static int recv_afs_msg(int *fd, uint32_t *code, uint32_t *data) static void recv_afs_result(void) { - int ret, passed_fd = -1, shmid; + int ret, passed_fd, shmid; uint32_t afs_code = 0, afs_data = 0; struct stat statbuf; struct timeval now; @@ -372,12 +386,13 @@ static void recv_afs_result(void) ret = recv_afs_msg(&passed_fd, &afs_code, &afs_data); if (ret < 0) goto err; - PARA_DEBUG_LOG("got the fd: %d, code: %u, shmid: %u\n", - passed_fd, afs_code, afs_data); - ret = -E_BAD_AFS_CODE; + PARA_DEBUG_LOG("fd: %d, code: %u, shmid: %u\n", passed_fd, afs_code, + afs_data); + ret = -E_NOFD; if (afs_code != NEXT_AUDIO_FILE) goto err; - afsss = AFS_SOCKET_READY; + if (passed_fd < 0) + goto err; shmid = afs_data; ret = load_afd(shmid, &mmd->afd); if (ret < 0) @@ -406,7 +421,8 @@ static void recv_afs_result(void) err: if (passed_fd >= 0) close(passed_fd); - PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret)); + PARA_ERROR_LOG("%s\n", para_strerror(-ret)); + mmd->new_vss_status_flags = VSS_NEXT; } void vss_post_select(fd_set *rfds, fd_set *wfds)