X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aft.c;h=acf751566c61d82e23cc34565c1189f2db147917;hp=8d32516d22f3c2526926eba5bdcb46717c5c662e;hb=741c19c2a25c5d9e165cb99f7ff512209b7bade6;hpb=a181da64ba896c709d61e775606a0b8ebfdd1dde diff --git a/aft.c b/aft.c index 8d32516d..acf75156 100644 --- a/aft.c +++ b/aft.c @@ -293,60 +293,36 @@ static struct osl_table_description audio_file_table_desc = { .column_descriptions = aft_cols }; -/* We don't want dot or dot-dot anywhere. */ -static int verify_dotfile(const char *rest) -{ - /* - * The first character was '.', but that has already been discarded, we - * now test the rest. - */ - switch (*rest) { - case '\0': case '/': /* /foo/. and /foo/./bar are not ok */ - return -1; - case '.': /* path start with /foo/.. */ - if (rest[1] == '\0' || rest[1] == '/') - return -1; /* /foo/.. or /foo/../bar are not ok */ - /* /foo/..bar is ok */ - } - return 1; -} - /* - * We fundamentally don't like some paths: We don't want double slashes or - * slashes at the end that can make pathnames ambiguous. + * Produce a canonicalized absolute pathname. + * + * Returns one if the resolved path a directory, zero if it is a regular file, + * negative on errors. */ static int verify_path(const char *orig_path, char **resolved_path) { - char c; - size_t len; - char *path; + int ret; + char *path = NULL; + struct stat statbuf; if (*orig_path != '/') /* we only accept absolute paths */ - return -E_BAD_PATH; - len = strlen(orig_path); - *resolved_path = para_strdup(orig_path); - path = *resolved_path; - while (len > 1 && path[--len] == '/') - path[len] = '\0'; /* remove slash at the end */ - c = *path++; - while (c) { - if (c == '/') { - c = *path++; - switch (c) { - case '/': /* double slash */ - goto bad_path; - case '.': - if (verify_dotfile(path) < 0) - goto bad_path; - default: - continue; - } - } - c = *path++; - } - return 1; -bad_path: - free(*resolved_path); + goto fail; + path = realpath(orig_path, NULL); + if (!path) + goto fail; + if (stat(path, &statbuf) < 0) + goto fail; + if (S_ISREG(statbuf.st_mode)) + ret = 0; + else if (S_ISDIR(statbuf.st_mode)) + ret = 1; + else + goto fail; + *resolved_path = path; + return ret; +fail: + *resolved_path = NULL; + free(path); return -E_BAD_PATH; } @@ -693,16 +669,13 @@ err: int load_afd(int shmid, struct audio_file_data *afd) { void *shm_afd; - char *buf; int ret; ret = shm_attach(shmid, ATTACH_RO, &shm_afd); if (ret < 0) return ret; *afd = *(struct audio_file_data *)shm_afd; - buf = shm_afd; - buf += sizeof(*afd); - load_chunk_table(&afd->afhi, buf); + load_chunk_table(&afd->afhi, shm_afd + sizeof(*afd)); shm_detach(shm_afd); return 1; } @@ -1040,17 +1013,33 @@ out: return ret; } -static int make_status_items(struct audio_file_data *afd, - struct afs_info *afsi, char *path, long score, - unsigned char *hash) +static struct ls_data status_item_ls_data; +static struct osl_row *current_aft_row; + +static void make_inode_status_items(struct para_buffer *pb) +{ + struct stat statbuf = {.st_size = 0}; + char *path, mtime_str[30] = "\0"; + struct tm mtime_tm; + int ret; + + ret = get_audio_file_path_of_row(current_aft_row, &path); + if (ret < 0) + goto out; + ret = stat(path, &statbuf); + if (ret < 0) + goto out; + localtime_r(&statbuf.st_mtime, &mtime_tm); + ret = strftime(mtime_str, 29, "%b %d %Y", &mtime_tm); + assert(ret > 0); /* number of bytes placed in mtime_str */ +out: + /* We don't care too much about errors here */ + (void)WRITE_STATUS_ITEM(pb, SI_MTIME, "%s\n", mtime_str); + (void)WRITE_STATUS_ITEM(pb, SI_FILE_SIZE, "%ld\n", statbuf.st_size / 1024); +} + +static int make_status_items(void) { - struct ls_data d = { - .afhi = afd->afhi, - .afsi = *afsi, - .path = path, - .score = score, - .hash = hash - }; struct ls_options opts = { .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY, .mode = LS_MODE_VERBOSE, @@ -1060,30 +1049,30 @@ static int make_status_items(struct audio_file_data *afd, int ret; time(¤t_time); - ret = print_list_item(&d, &opts, &pb, current_time); + ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time); if (ret < 0) return ret; + make_inode_status_items(&pb); free(status_items); status_items = pb.buf; memset(&pb, 0, sizeof(pb)); pb.max_size = shm_get_shmmax() - 1; pb.flags = PBF_SIZE_PREFIX; - ret = print_list_item(&d, &opts, &pb, current_time); + ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time); if (ret < 0) { free(status_items); status_items = NULL; return ret; } + make_inode_status_items(&pb); free(parser_friendly_status_items); parser_friendly_status_items = pb.buf; return 1; } /** - * Mmap the given audio file and update statistics. + * Open the audio file with highest score and set up an afd structure. * - * \param aft_row Determines the audio file to be opened and updated. - * \param score The score of the audio file. * \param afd Result pointer. * * On success, the numplayed field of the audio file selector info is increased @@ -1092,66 +1081,75 @@ static int make_status_items(struct audio_file_data *afd, * * \return Positive shmid on success, negative on errors. */ -int open_and_update_audio_file(struct osl_row *aft_row, long score, - struct audio_file_data *afd) +int open_and_update_audio_file(struct audio_file_data *afd) { - unsigned char *aft_hash, file_hash[HASH_SIZE]; + unsigned char file_hash[HASH_SIZE]; struct osl_object afsi_obj; - struct afs_info old_afsi, new_afsi; - int ret = get_hash_of_row(aft_row, &aft_hash); + struct afs_info new_afsi; + int ret; struct afsi_change_event_data aced; struct osl_object map, chunk_table_obj; - char *path; - + struct ls_data *d = &status_item_ls_data; +again: + ret = score_get_best(¤t_aft_row, &d->score); if (ret < 0) return ret; - ret = get_audio_file_path_of_row(aft_row, &path); + ret = get_hash_of_row(current_aft_row, &d->hash); if (ret < 0) return ret; - PARA_NOTICE_LOG("%s\n", path); - ret = get_afsi_object_of_row(aft_row, &afsi_obj); + ret = get_audio_file_path_of_row(current_aft_row, &d->path); if (ret < 0) return ret; - ret = load_afsi(&old_afsi, &afsi_obj); + PARA_NOTICE_LOG("%s\n", d->path); + ret = get_afsi_object_of_row(current_aft_row, &afsi_obj); if (ret < 0) return ret; - ret = get_afhi_of_row(aft_row, &afd->afhi); + ret = load_afsi(&d->afsi, &afsi_obj); if (ret < 0) return ret; - afd->afhi.chunk_table = NULL; - ret = osl(osl_open_disk_object(audio_file_table, aft_row, + ret = get_afhi_of_row(current_aft_row, &afd->afhi); + if (ret < 0) + return ret; + d->afhi = afd->afhi; + d->afhi.chunk_table = afd->afhi.chunk_table = NULL; + ret = osl(osl_open_disk_object(audio_file_table, current_aft_row, AFTCOL_CHUNKS, &chunk_table_obj)); if (ret < 0) return ret; - ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &afd->fd); + ret = mmap_full_file(d->path, O_RDONLY, &map.data, &map.size, &afd->fd); if (ret < 0) goto out; hash_function(map.data, map.size, file_hash); - ret = hash_compare(file_hash, aft_hash); + ret = hash_compare(file_hash, d->hash); para_munmap(map.data, map.size); if (ret) { ret = -E_HASH_MISMATCH; goto out; } - new_afsi = old_afsi; + new_afsi = d->afsi; new_afsi.num_played++; new_afsi.last_played = time(NULL); save_afsi(&new_afsi, &afsi_obj); /* in-place update */ - afd->audio_format_id = old_afsi.audio_format_id; + afd->audio_format_id = d->afsi.audio_format_id; load_chunk_table(&afd->afhi, chunk_table_obj.data); - ret = make_status_items(afd, &old_afsi, path, score, file_hash); - if (ret < 0) - goto out; - aced.aft_row = aft_row; - aced.old_afsi = &old_afsi; + aced.aft_row = current_aft_row; + aced.old_afsi = &d->afsi; + /* + * No need to update the status items as the AFSI_CHANGE event will + * recreate them. + */ afs_event(AFSI_CHANGE, NULL, &aced); ret = save_afd(afd); out: free(afd->afhi.chunk_table); osl_close_disk_object(&chunk_table_obj); - if (ret < 0) - PARA_ERROR_LOG("%s: %s\n", path, para_strerror(-ret)); + if (ret < 0) { + PARA_ERROR_LOG("%s: %s\n", d->path, para_strerror(-ret)); + ret = score_delete(current_aft_row); + if (ret >= 0) + goto again; + } return ret; } @@ -1956,7 +1954,6 @@ int com_add(struct command_context *cc) { int i, ret; struct private_add_data pad = {.cc = cc, .flags = 0}; - struct stat statbuf; for (i = 1; i < cc->argc; i++) { const char *arg = cc->argv[i]; @@ -1995,20 +1992,10 @@ int com_add(struct command_context *cc) return ret; continue; } - ret = stat(path, &statbuf); - if (ret < 0) { - ret = send_sb_va(&cc->scc, SBD_ERROR_LOG, - "failed to stat %s (%s)\n", path, - strerror(errno)); - free(path); - if (ret < 0) - return ret; - continue; - } - if (S_ISDIR(statbuf.st_mode)) + if (ret == 1) /* directory */ ret = for_each_file_in_dir(path, add_one_audio_file, &pad); - else + else /* regular file */ ret = add_one_audio_file(path, &pad); if (ret < 0) { send_sb_va(&cc->scc, SBD_OUTPUT, "%s: %s\n", path, @@ -2113,7 +2100,10 @@ static void com_touch_callback(int fd, const struct osl_object *query) struct touch_action_data tad = {.cto = query->data, .pb = { .max_size = shm_get_shmmax(), - .private_data = &fd, + .private_data = &(struct afs_max_size_handler_data) { + .fd = fd, + .band = SBD_OUTPUT + }, .max_size_handler = afs_max_size_handler } }; @@ -2254,7 +2244,10 @@ static void com_rm_callback(int fd, const struct osl_object *query) struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data, .pb = { .max_size = shm_get_shmmax(), - .private_data = &fd, + .private_data = &(struct afs_max_size_handler_data) { + .fd = fd, + .band = SBD_OUTPUT + }, .max_size_handler = afs_max_size_handler } }; @@ -2396,7 +2389,10 @@ static void com_cpsi_callback(int fd, const struct osl_object *query) .flags = *(unsigned *)query->data, .pb = { .max_size = shm_get_shmmax(), - .private_data = &fd, + .private_data = &(struct afs_max_size_handler_data) { + .fd = fd, + .band = SBD_OUTPUT + }, .max_size_handler = afs_max_size_handler } }; @@ -2767,9 +2763,27 @@ static int aft_event_handler(enum afs_events event, struct para_buffer *pb, if (ret < 0) return ret; return audio_file_loop(data, clear_attribute); - } - default: + } case AFSI_CHANGE: { + struct afsi_change_event_data *aced = data; + uint64_t old_last_played = status_item_ls_data.afsi.last_played; + if (aced->aft_row != current_aft_row) + return 0; + ret = get_afsi_of_row(aced->aft_row, &status_item_ls_data.afsi); + if (ret < 0) + return ret; + status_item_ls_data.afsi.last_played = old_last_played; + make_status_items(); return 1; + } case AFHI_CHANGE: { + if (data != current_aft_row) + return 0; + ret = get_afhi_of_row(data, &status_item_ls_data.afhi); + if (ret < 0) + return ret; + make_status_items(); + return 1; + } default: + return 0; } }