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/*
* Copyright 2012 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.tizenopensource.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ail.h>
#include <errno.h>
#include <Elementary.h>
#include <Ecore.h>
#include <Ecore_File.h>
#include <stdio.h>
#include <sys/inotify.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <stdbool.h>
#include <unistd.h>
#include <vconf.h>
#include "desktop_to_db.h"
#include "parser.h"
#include "pkg_event.h"
#include "util.h"
#define BUFSZE 1024
extern int errno;
struct desktop_notifier s_desktop_notifier = {
.ad = NULL,
.handler = NULL,
.this_module = NULL,
};
struct cb_item {
void *data;
int (*event_cb)(void *ai_name, void *data, int visible);
};
struct inotify_path paths[CONF_PATH_NUMBER];
static Eina_Bool
directory_notify(void* data, Ecore_Fd_Handler* fd_handler)
{
char *buf;
ssize_t read_size, len, i = 0;
int fd;
fd = ecore_main_fd_handler_fd_get(fd_handler);
_D("There are some modification, ifd [%d]", fd);
if (ioctl(fd, FIONREAD, &read_size) < 0) {
_E("Failed to get q size");
return ECORE_CALLBACK_CANCEL;
}
if (read_size <= 0) {
_E("Buffer is not ready!!!");
return ECORE_CALLBACK_RENEW;
}
buf = malloc(read_size);
if (!buf) {
_E("Failed to allocate heap for event handling");
return ECORE_CALLBACK_RENEW;
}
len = read(fd, buf, read_size);
if (len < 0) {
free(buf);
// Stop monitoring about this invalid file descriptor
return ECORE_CALLBACK_CANCEL;
}
while (i < len) {
struct inotify_event* event = (struct inotify_event*) &buf[i];
char *str_potksed = "potksed.";
char *cut;
char *package = NULL;
ssize_t idx;
int nev_name;
// 1. check the extension of a file
nev_name = strlen(event->name) - 1;
for (idx = 0; nev_name >= 0 && str_potksed[idx]; idx++) {
if (event->name[nev_name] != str_potksed[idx]) {
break;
}
nev_name --;
}
if (str_potksed[idx] != '\0') {
_D("This is not a desktop file : %s", event->name);
i += sizeof(struct inotify_event) + event->len;
continue;
}
package = strdup(event->name);
cut = strstr(package, ".desktop");
*cut = '\0';
_D("Package : %s", package);
// add & update
if (event->mask & IN_CREATE || event->mask & IN_CLOSE_WRITE || event->mask & IN_MOVED_TO) { // for moving
ail_appinfo_h ai = NULL;
ail_error_e ret;
ret = ail_package_get_appinfo(package, &ai);
if (ai) ail_package_destroy_appinfo(ai);
if (AIL_ERROR_NO_DATA == ret) {
if (ail_desktop_add(package) < 0) {
_D("Failed to add a new package (%s)", event->name);
}
} else if (AIL_ERROR_OK == ret) {
if (ail_desktop_update(package) < 0) {
_D("Failed to add a new package (%s)", event->name);
}
} else
;
// delete
} else if (event->mask & IN_DELETE) { // for deleting
if (ail_desktop_remove(package) < 0)
_D("Failed to remove a package (%s)", event->name);
} else {
_D("this event is not dealt with inotify");
}
free(package);
i += sizeof(struct inotify_event) + event->len;
}
free(buf);
return ECORE_CALLBACK_RENEW;
}
void pkg_event_init()
{
int wd = 0;
int i;
s_desktop_notifier.ifd = inotify_init();
if (s_desktop_notifier.ifd == -1) {
_E("inotify_init error: %s", strerror(errno));
return;
}
conf_search(paths, CONF_PATH_NUMBER);
for (i = 0; i < CONF_PATH_NUMBER && paths[i].path; i++)
{
_D("Configuration file for desktop file monitoring [%s] is added", paths[i].path);
if (access(paths[i].path, R_OK) != 0)
{
ecore_file_mkpath(paths[i].path);
if (chmod(paths[i].path, 0777) == -1) {
_E("cannot chmod %s", paths[i].path);
}
}
wd = inotify_add_watch(s_desktop_notifier.ifd, paths[i].path, IN_CREATE | IN_CLOSE_WRITE | IN_MOVED_TO | IN_DELETE);
if (wd == -1) {
_E("inotify_add_watch error: %s", strerror(errno));
close(s_desktop_notifier.ifd);
return;
}
paths[i].wd = wd;
}
s_desktop_notifier.handler = ecore_main_fd_handler_add(s_desktop_notifier.ifd, ECORE_FD_READ, directory_notify, NULL, NULL, NULL);
if (!s_desktop_notifier.handler) {
// TODO: Handles me.. EXCEPTION!!
_E("cannot add handler for inotify");
}
}
void pkg_event_fini(void)
{
register int i;
if (s_desktop_notifier.handler) {
ecore_main_fd_handler_del(s_desktop_notifier.handler);
}
for (i = 0; i < CONF_PATH_NUMBER; i ++) {
if (paths[i].wd) {
if (inotify_rm_watch(s_desktop_notifier.ifd, paths[i].wd) < 0) {
char log[BUFSZE] = {0,};
int ret;
ret = strerror_r(errno, log, sizeof(log));
_E("Error: %s", ret == 0? log : "unknown error");
}
paths[i].wd = 0;
}
}
if (s_desktop_notifier.ifd) {
close(s_desktop_notifier.ifd);
s_desktop_notifier.ifd = 0;
}
}
// End of a file
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