226 lines
4 KiB
C
226 lines
4 KiB
C
/**
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* Dtable (dyanmic, data, etc) table
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* Copyright (C) 2008 Andreas Öman
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <pthread.h>
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#include <ctype.h>
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#include <assert.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <errno.h>
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#include "settings.h"
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#include "tvheadend.h"
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#include "dtable.h"
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#include "notify.h"
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static LIST_HEAD(, dtable) dtables;
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/**
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*
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*/
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void
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dtable_store_changed(const dtable_t *dt)
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{
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htsmsg_t *m = htsmsg_create_map();
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htsmsg_add_u32(m, "reload", 1);
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notify_by_msg(dt->dt_tablename, m);
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}
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/**
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*
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*/
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dtable_t *
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dtable_create(const dtable_class_t *dtc, const char *name, void *opaque)
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{
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dtable_t *dt = calloc(1, sizeof(dtable_t));
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dt->dt_opaque = opaque;
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dt->dt_tablename = strdup(name);
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dt->dt_dtc = dtc;
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LIST_INSERT_HEAD(&dtables, dt, dt_link);
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return dt;
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}
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/**
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*
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*/
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int
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dtable_load(dtable_t *dt)
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{
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htsmsg_t *l, *c, *m;
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htsmsg_field_t *f;
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const char *id;
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int records = 0;
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if((l = hts_settings_load("%s", dt->dt_tablename)) != NULL) {
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HTSMSG_FOREACH(f, l) {
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if((c = htsmsg_get_map_by_field(f)) == NULL)
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continue;
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if((id = htsmsg_get_str(c, "id")) == NULL)
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continue;
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m = dt->dt_dtc->dtc_record_update(dt->dt_opaque, id, c, 1);
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if(m != NULL) {
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records++;
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htsmsg_destroy(m);
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}
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}
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htsmsg_destroy(l);
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}
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return records;
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}
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/**
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*
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*/
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dtable_t *
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dtable_find(const char *name)
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{
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dtable_t *dt;
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LIST_FOREACH(dt, &dtables, dt_link)
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if(!strcmp(dt->dt_tablename, name))
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break;
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return dt;
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}
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/**
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*
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*/
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int
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dtable_record_update_by_array(dtable_t *dt, htsmsg_t *msg)
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{
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htsmsg_t *c, *update;
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htsmsg_field_t *f;
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const char *id;
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int changed = 0;
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TAILQ_FOREACH(f, &msg->hm_fields, hmf_link) {
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if((c = htsmsg_get_map_by_field(f)) == NULL)
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continue;
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if((id = htsmsg_get_str(c, "id")) == NULL)
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continue;
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if((update = dt->dt_dtc->dtc_record_update(dt->dt_opaque, id, c, 0))
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!= NULL) {
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/* Data changed */
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changed = 1;
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hts_settings_save(update, "%s/%s", dt->dt_tablename, id);
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htsmsg_destroy(update);
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}
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}
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if(changed)
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dtable_store_changed(dt);
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return 0;
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}
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/**
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*
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*/
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void
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dtable_record_delete(dtable_t *dt, const char *id)
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{
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dt->dt_dtc->dtc_record_delete(dt->dt_opaque, id);
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hts_settings_remove("%s/%s", dt->dt_tablename, id);
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dtable_store_changed(dt);
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}
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/**
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*
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*/
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int
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dtable_record_delete_by_array(dtable_t *dt, htsmsg_t *msg)
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{
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htsmsg_field_t *f;
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const char *id;
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int changed = 0;
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TAILQ_FOREACH(f, &msg->hm_fields, hmf_link) {
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if((id = htsmsg_field_get_string(f)) != NULL) {
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changed = 1;
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dtable_record_delete(dt, id);
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}
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}
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if(changed)
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dtable_store_changed(dt);
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return 0;
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}
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/**
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*
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*/
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htsmsg_t *
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dtable_record_create(dtable_t *dt)
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{
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htsmsg_t *r;
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const char *id;
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if((r = dt->dt_dtc->dtc_record_create(dt->dt_opaque)) == NULL)
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return NULL;
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if((id = htsmsg_get_str(r, "id")) == NULL) {
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htsmsg_destroy(r);
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return NULL;
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}
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hts_settings_save(r, "%s/%s", dt->dt_tablename, id);
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return r;
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}
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/**
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*
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*/
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htsmsg_t *
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dtable_record_get_all(dtable_t *dt)
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{
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return dt->dt_dtc->dtc_record_get_all(dt->dt_opaque);
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}
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/**
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*
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*/
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void
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dtable_record_store(dtable_t *dt, const char *id, htsmsg_t *r)
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{
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hts_settings_save(r, "%s/%s", dt->dt_tablename, id);
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}
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/**
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*
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*/
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void
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dtable_record_erase(dtable_t *dt, const char *id)
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{
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hts_settings_remove("%s/%s", dt->dt_tablename, id);
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}
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