X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aft.c;h=179777ba8c8999dc633cf8578f08951ff7dd995c;hp=0cc2bd070e42e2ac2ed25f89504b6434cc54bea2;hb=d1e6b28f66e243516d01916f9125baee75dd98d6;hpb=277ed4a605f68118aff9e671f16c0ac6edb1d55a diff --git a/aft.c b/aft.c index 0cc2bd07..179777ba 100644 --- a/aft.c +++ b/aft.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2013 Andre Noll + * Copyright (C) 2007-2014 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -163,7 +163,7 @@ enum afsi_offsets { AFSI_SIZE = 32 }; -/** +/* * Convert a struct afs_info to an osl object. * * \param afsi Pointer to the audio file info to be converted. @@ -171,7 +171,7 @@ enum afsi_offsets { * * \sa load_afsi(). */ -void save_afsi(struct afs_info *afsi, struct osl_object *obj) +static void save_afsi(struct afs_info *afsi, struct osl_object *obj) { char *buf = obj->data; @@ -186,17 +186,17 @@ void save_afsi(struct afs_info *afsi, struct osl_object *obj) memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2); } -/** - * Get the audio file selector info struct stored in an osl object. +/* + * Get the audio file selector info struct stored in an osl object. * * \param afsi Points to the audio_file info structure to be filled in. * \param obj The osl object holding the data. * - * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS. + * \return Standard. * * \sa save_afsi(). */ -int load_afsi(struct afs_info *afsi, struct osl_object *obj) +static int load_afsi(struct afs_info *afsi, struct osl_object *obj) { char *buf = obj->data; if (obj->size < AFSI_SIZE) @@ -280,7 +280,7 @@ static struct osl_table_description audio_file_table_desc = { .column_descriptions = aft_cols }; -/* We don't want * dot or dot-dot anywhere. */ +/* We don't want dot or dot-dot anywhere. */ static int verify_dotfile(const char *rest) { /* @@ -493,15 +493,16 @@ static int aft_get_row_of_hash(unsigned char *hash, struct osl_row **row) return osl(osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row)); } -/** - * Get the osl object holding the audio file selector info of a row. +/* + * Get the audio file selector info object of a row. * * \param row Pointer to a row in the audio file table. * \param obj Result pointer. * * \return Standard. */ -int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj) +static int get_afsi_object_of_row(const struct osl_row *row, + struct osl_object *obj) { return osl(osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj)); } @@ -541,15 +542,15 @@ int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi) return load_afsi(afsi, &obj); } -/** +/* * Get the audio file selector info, given the path of an audio table. * * \param path The full path of the audio file. * \param afsi Result pointer. * - * \return Positive on success, negative on errors. + * \return Standard. */ -int get_afsi_of_path(const char *path, struct afs_info *afsi) +static int get_afsi_of_path(const char *path, struct afs_info *afsi) { struct osl_object obj; int ret = get_afsi_object_of_path(path, &obj); @@ -1694,7 +1695,7 @@ static void com_add_callback(int fd, const struct osl_object *query) uint16_t afhi_offset, chunks_offset; hash = (unsigned char *)buf + CAB_HASH_OFFSET; - hash_to_asc(hash, asc);; + hash_to_asc(hash, asc); objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET; objs[AFTCOL_HASH].size = HASH_SIZE; @@ -2471,6 +2472,108 @@ int com_cpsi(struct command_context *cc) return ret; } +struct change_atts_data { + uint64_t add_mask, del_mask; + struct para_buffer pb; +}; + +static int change_atts(__a_unused struct osl_table *table, + struct osl_row *row, __a_unused const char *name, void *data) +{ + int ret; + struct osl_object obj; + struct afs_info old_afsi, new_afsi; + struct afsi_change_event_data aced = { + .aft_row = row, + .old_afsi = &old_afsi + }; + struct change_atts_data *cad = data; + + ret = get_afsi_object_of_row(row, &obj); + if (ret < 0) + return ret; + ret = load_afsi(&old_afsi, &obj); + if (ret < 0) + return ret; + new_afsi = old_afsi; + new_afsi.attributes |= cad->add_mask; + new_afsi.attributes &= ~cad->del_mask; + save_afsi(&new_afsi, &obj); /* in-place update */ + afs_event(AFSI_CHANGE, &cad->pb, &aced); + return 1; +} + +static void com_setatt_callback(int fd, const struct osl_object *query) +{ + char *p; + int ret; + size_t len; + struct change_atts_data cad = { + .pb = { + .max_size = shm_get_shmmax(), + .max_size_handler = afs_max_size_handler, + .private_data = &(struct afs_max_size_handler_data) { + .fd = fd, + .band = SBD_OUTPUT + } + } + }; + struct pattern_match_data pmd = { + .table = audio_file_table, + .loop_col_num = AFTCOL_HASH, + .match_col_num = AFTCOL_PATH, + .pm_flags = PM_SKIP_EMPTY_NAME, + .data = &cad, + .action = change_atts + }; + + for (p = query->data; p < (char *)query->data + query->size; p += len + 1) { + char c; + unsigned char bitnum; + + len = strlen(p); + ret = -E_ATTR_SYNTAX; + if (len == 0) + goto out; + c = p[len - 1]; + if (c != '+' && c != '-') + break; + p[len - 1] = '\0'; + ret = get_attribute_bitnum_by_name(p, &bitnum); + if (ret < 0) + goto out; + if (c == '+') + cad.add_mask |= (1UL << bitnum); + else + cad.del_mask |= (1UL << bitnum); + } + ret = -E_ATTR_SYNTAX; + if (!cad.add_mask && !cad.del_mask) + goto out; + pmd.patterns.data = p; + assert(p < (char *)query->data + query->size); + pmd.patterns.size = (char *)query->data + query->size - p; + ret = for_each_matching_row(&pmd); + if (ret < 0) + goto out; + if (pmd.num_matches == 0) + para_printf(&cad.pb, "no matches\n"); +out: + if (ret < 0) + para_printf(&cad.pb, "%s\n", para_strerror(-ret)); + if (cad.pb.offset) + pass_buffer_as_shm(fd, SBD_OUTPUT, cad.pb.buf, cad.pb.offset); + free(cad.pb.buf); +} + +int com_setatt(struct command_context *cc) +{ + if (cc->argc < 3) + return -E_ATTR_SYNTAX; + return send_standard_callback_request(cc->argc - 1, cc->argv + 1, + com_setatt_callback, afs_cb_result_handler, cc); +} + static void afs_stat_callback(int fd, const struct osl_object *query) { int *parser_friendly = query->data;