mirror of
https://github.com/tuxbox-fork-migrations/recycled-ni-neutrino.git
synced 2025-08-27 15:32:52 +02:00
45c6c54fb7
Origin commit data
------------------
Branch: ni/coolstream
Commit: 409df1b809
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2014-03-02 (Sun, 02 Mar 2014)
------------------
No further description and justification available within origin commit message!
------------------
This commit was generated by Migit
743 lines
16 KiB
C++
743 lines
16 KiB
C++
/*
|
||
Neutrino-HD
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||
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||
License: GPL
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||
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||
(C) 2012-2013 the neutrino-hd developers
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||
(C) 2012,2013 Stefan Seyfried
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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
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(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
|
||
GNU General Public License for more details.
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||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
*/
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||
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||
#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <iostream>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/vfs.h> /* or <sys/statfs.h> */
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#include <string.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <stdarg.h>
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#include <mntent.h>
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#include <linux/hdreg.h>
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#include <linux/fs.h>
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#include <system/helpers.h>
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#include <gui/update_ext.h>
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|
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void mySleep(int sec) {
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struct timeval timeout;
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timeout.tv_sec = sec;
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timeout.tv_usec = 0;
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select(0,0,0,0, &timeout);
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}
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||
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||
off_t file_size(const char *filename)
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{
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struct stat stat_buf;
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if(::stat(filename, &stat_buf) == 0)
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||
{
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||
return stat_buf.st_size;
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||
} else
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||
{
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||
return 0;
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||
}
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||
}
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||
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||
bool file_exists(const char *filename)
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{
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struct stat stat_buf;
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||
if(::stat(filename, &stat_buf) == 0)
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{
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return true;
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||
} else
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||
{
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return false;
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||
}
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}
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||
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void wakeup_hdd(const char *hdd_dir)
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{
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if(!check_dir(hdd_dir) && hdd_get_standby(hdd_dir)){
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std::string wakeup_file = hdd_dir;
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wakeup_file += "/.wakeup";
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int fd = open(wakeup_file.c_str(), O_SYNC | O_WRONLY | O_CREAT | O_TRUNC, S_IWUSR);
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if (fd >= 0) {
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unsigned char buf[512];
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memset(buf, 0xFF, sizeof(buf));
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for (int i = 0; i < 20; i++) {
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if (write(fd, buf, sizeof(buf)) < 0) {
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perror("write to .wakeup");
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break;
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}
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}
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fdatasync(fd);
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close(fd);
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}
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hdd_flush(hdd_dir);
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remove(wakeup_file.c_str());
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}
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}
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//use for script with full path
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int my_system(const char * cmd)
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{
|
||
if (!file_exists(cmd))
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return -1;
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||
|
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return my_system(1, cmd);
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}
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||
|
||
int my_system(int argc, const char *arg, ...)
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||
{
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int i = 0, ret = 0, childExit = 0;
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#define ARGV_MAX 64
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/* static right now but could be made dynamic if necessary */
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int argv_max = ARGV_MAX;
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const char *argv[ARGV_MAX];
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va_list args;
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argv[0] = arg;
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va_start(args, arg);
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||
|
||
while(++i < argc)
|
||
{
|
||
if (i == argv_max)
|
||
{
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fprintf(stderr, "my_system: too many arguments!\n");
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return -1;
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}
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argv[i] = va_arg(args, const char *);
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}
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argv[i] = NULL; /* sentinel */
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//fprintf(stderr,"%s:", __func__);for(i=0;argv[i];i++)fprintf(stderr," '%s'",argv[i]);fprintf(stderr,"\n");
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pid_t pid;
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int maxfd = getdtablesize();// sysconf(_SC_OPEN_MAX);
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switch (pid = vfork())
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{
|
||
case -1: /* can't vfork */
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||
perror("vfork");
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ret = -errno;
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break;
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case 0: /* child process */
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for(i = 3; i < maxfd; i++)
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close(i);
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if (setsid() == -1)
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perror("my_system setsid");
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if (execvp(argv[0], (char * const *)argv))
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||
{
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ret = -errno;
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if (errno != ENOENT) /* don't complain if argv[0] only does not exist */
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fprintf(stderr, "ERROR: my_system \"%s\": %m\n", argv[0]);
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}
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_exit(ret); // terminate c h i l d proces s only
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default: /* parent returns to calling process */
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waitpid(pid, &childExit, 0);
|
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if (WEXITSTATUS(childExit) != 0)
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ret = (signed char)WEXITSTATUS(childExit);
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||
break;
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||
}
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va_end(args);
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return ret;
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}
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|
||
FILE* my_popen( pid_t& pid, const char *cmdstring, const char *type)
|
||
{
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int pfd[2] ={-1,-1};
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FILE *fp = NULL;
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||
|
||
/* only allow "r" or "w" */
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if ((type[0] != 'r' && type[0] != 'w') || type[1] != 0) {
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errno = EINVAL; /* required by POSIX */
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return(NULL);
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}
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if (pipe(pfd) < 0)
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return(NULL); /* errno set by pipe() */
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if ((pid = vfork()) < 0) {
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return(NULL); /* errno set by vfork() */
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} else if (pid == 0) { /* child */
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if (*type == 'r') {
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close(pfd[0]);
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if (pfd[1] != STDOUT_FILENO) {
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dup2(pfd[1], STDOUT_FILENO);
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close(pfd[1]);
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}
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} else {
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close(pfd[1]);
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if (pfd[0] != STDIN_FILENO) {
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dup2(pfd[0], STDIN_FILENO);
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close(pfd[0]);
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}
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}
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int maxfd = getdtablesize();
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for(int i = 3; i < maxfd; i++)
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close(i);
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if (setsid() == -1)
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perror("my_popen setsid");
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execl("/bin/sh", "sh", "-c", cmdstring, (char *)0);
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exit(0);
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}
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/* parent continues... */
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if (*type == 'r') {
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close(pfd[1]);
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if ((fp = fdopen(pfd[0], type)) == NULL)
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return(NULL);
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} else {
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close(pfd[0]);
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if ((fp = fdopen(pfd[1], type)) == NULL)
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return(NULL);
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||
}
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||
return(fp);
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}
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||
|
||
int safe_mkdir(const char * path)
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{
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||
struct statfs s;
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size_t l = strlen(path);
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char d[l + 3];
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strncpy(d, path, l);
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// skip trailing slashes
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while (l > 0 && d[l - 1] == '/')
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l--;
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// find last slash
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while (l > 0 && d[l - 1] != '/')
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l--;
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||
if (!l)
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return -1;
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// append a single dot
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d[l++] = '.';
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d[l] = 0;
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if(statfs(d, &s) || (s.f_type == 0x72b6 /* jffs2 */))
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return -1;
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return mkdir(path, 0755);
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}
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/* function used to check is this dir writable, i.e. not flash, for record etc */
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int check_dir(const char * dir, bool allow_tmp)
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{
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/* default to return, if statfs fail */
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int ret = -1;
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||
struct statfs s;
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if (::statfs(dir, &s) == 0) {
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switch (s.f_type) {
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case 0x858458f6L: // ramfs
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case 0x1021994L: // tmpfs
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if(allow_tmp)
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ret = 0;//ok
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case 0x72b6L: // jffs2
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break;
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default:
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ret = 0; // ok
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}
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}
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return ret;
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}
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bool get_fs_usage(const char * dir, uint64_t &btotal, uint64_t &bused, long *bsize/*=NULL*/)
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||
{
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btotal = bused = 0;
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struct statfs s;
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if (::statfs(dir, &s) == 0 && s.f_blocks) {
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btotal = s.f_blocks;
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bused = s.f_blocks - s.f_bfree;
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if (bsize != NULL)
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*bsize = s.f_bsize;
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//printf("fs (%s): total %llu used %llu\n", dir, btotal, bused);
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return true;
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}
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return false;
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}
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||
|
||
bool get_mem_usage(unsigned long &kbtotal, unsigned long &kbfree)
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||
{
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unsigned long cached = 0, buffers = 0;
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kbtotal = kbfree = 0;
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FILE * f = fopen("/proc/meminfo", "r");
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||
if (!f)
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return false;
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||
|
||
char buffer[256];
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||
while (fgets(buffer, 255, f)) {
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||
if (!strncmp(buffer, "Mem", 3)) {
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if (!strncmp(buffer+3, "Total", 5))
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kbtotal = strtoul(buffer+9, NULL, 10);
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else if (!strncmp(buffer+3, "Free", 4))
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kbfree = strtoul(buffer+8, NULL, 10);
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}
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else if (!strncmp(buffer, "Buffers", 7)) {
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buffers = strtoul(buffer+8, NULL, 10);
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}
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else if (!strncmp(buffer, "Cached", 6)) {
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cached = strtoul(buffer+7, NULL, 10);
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break;
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||
}
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||
}
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fclose(f);
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kbfree = kbfree + cached + buffers;
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printf("mem: total %ld cached %ld free %ld\n", kbtotal, cached, kbfree);
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return true;
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||
}
|
||
|
||
std::string find_executable(const char *name)
|
||
{
|
||
struct stat s;
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||
char *tmpPath = getenv("PATH");
|
||
char *p, *n, *path;
|
||
if (tmpPath)
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||
path = strdupa(tmpPath);
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||
else
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||
path = strdupa("/bin:/usr/bin:/sbin:/usr/sbin");
|
||
if (name[0] == '/') { /* full path given */
|
||
if (!access(name, X_OK) && !stat(name, &s) && S_ISREG(s.st_mode))
|
||
return std::string(name);
|
||
return "";
|
||
}
|
||
|
||
p = path;
|
||
while (p) {
|
||
n = strchr(p, ':');
|
||
if (n)
|
||
*n++ = '\0';
|
||
if (*p != '\0') {
|
||
std::string tmp = std::string(p) + "/" + std::string(name);
|
||
const char *f = tmp.c_str();
|
||
if (!access(f, X_OK) && !stat(f, &s) && S_ISREG(s.st_mode))
|
||
return tmp;
|
||
}
|
||
p = n;
|
||
}
|
||
return "";
|
||
}
|
||
|
||
std::string _getPathName(std::string &path, std::string sep)
|
||
{
|
||
size_t pos = path.find_last_of(sep);
|
||
if (pos == std::string::npos)
|
||
return path;
|
||
return path.substr(0, pos);
|
||
}
|
||
|
||
std::string _getBaseName(std::string &path, std::string sep)
|
||
{
|
||
size_t pos = path.find_last_of(sep);
|
||
if (pos == std::string::npos)
|
||
return path;
|
||
if (path.length() == pos +1)
|
||
return "";
|
||
return path.substr(pos+1);
|
||
}
|
||
|
||
std::string getPathName(std::string &path)
|
||
{
|
||
return _getPathName(path, "/");
|
||
}
|
||
|
||
std::string getBaseName(std::string &path)
|
||
{
|
||
return _getBaseName(path, "/");
|
||
}
|
||
|
||
std::string getFileName(std::string &file)
|
||
{
|
||
return _getPathName(file, ".");
|
||
}
|
||
|
||
std::string getFileExt(std::string &file)
|
||
{
|
||
return _getBaseName(file, ".");
|
||
}
|
||
|
||
|
||
std::string getNowTimeStr(const char* format)
|
||
{
|
||
char tmpStr[256];
|
||
struct timeval tv;
|
||
gettimeofday(&tv, NULL);
|
||
strftime(tmpStr, sizeof(tmpStr), format, localtime(&tv.tv_sec));
|
||
return (std::string)tmpStr;
|
||
}
|
||
|
||
std::string trim(std::string &str, const std::string &trimChars /*= " \n\r\t"*/)
|
||
{
|
||
std::string result = str.erase(str.find_last_not_of(trimChars) + 1);
|
||
return result.erase(0, result.find_first_not_of(trimChars));
|
||
}
|
||
|
||
time_t toEpoch(std::string &date)
|
||
{
|
||
struct tm t;
|
||
memset(&t, 0, sizeof(t));
|
||
char *p = strptime(date.c_str(), "%Y-%m-%d", &t);
|
||
if(p)
|
||
return mktime(&t);
|
||
|
||
return 0;
|
||
|
||
}
|
||
|
||
std::string& str_replace(const std::string &search, const std::string &replace, std::string &text)
|
||
{
|
||
if (search.empty() || text.empty())
|
||
return text;
|
||
|
||
size_t searchLen = search.length();
|
||
while (1) {
|
||
size_t pos = text.find(search);
|
||
if (pos == std::string::npos)
|
||
break;
|
||
text.replace(pos, searchLen, replace);
|
||
}
|
||
return text;
|
||
}
|
||
|
||
std::string& htmlEntityDecode(std::string& text)
|
||
{
|
||
struct decode_table {
|
||
const char* code;
|
||
const char* htmlCode;
|
||
};
|
||
decode_table dt[] =
|
||
{
|
||
{" ", " "},
|
||
{"&", "&"},
|
||
{"<", "<"},
|
||
{">", ">"},
|
||
{"\"", """},
|
||
{"'", "'"},
|
||
{"€", "€"},
|
||
{"–", "–"},
|
||
{"“", "“"},
|
||
{"”", "”"},
|
||
{"„", "„"},
|
||
{"•", "•"},
|
||
{"…", "…"},
|
||
{NULL, NULL}
|
||
};
|
||
for (int i = 0; dt[i].code != NULL; i++)
|
||
text = str_replace(dt[i].htmlCode, dt[i].code, text);
|
||
|
||
return text;
|
||
}
|
||
|
||
CFileHelpers::CFileHelpers()
|
||
{
|
||
FileBufSize = 0xFFFF;
|
||
FileBuf = new char[FileBufSize];
|
||
doCopyFlag = true;
|
||
}
|
||
|
||
CFileHelpers::~CFileHelpers()
|
||
{
|
||
if (FileBuf != NULL)
|
||
delete [] FileBuf;
|
||
}
|
||
|
||
CFileHelpers* CFileHelpers::getInstance()
|
||
{
|
||
static CFileHelpers* FileHelpers = NULL;
|
||
if(!FileHelpers)
|
||
FileHelpers = new CFileHelpers();
|
||
return FileHelpers;
|
||
}
|
||
|
||
bool CFileHelpers::copyFile(const char *Src, const char *Dst, mode_t mode)
|
||
{
|
||
doCopyFlag = true;
|
||
unlink(Dst);
|
||
if ((fd1 = open(Src, O_RDONLY)) < 0)
|
||
return false;
|
||
if ((fd2 = open(Dst, O_WRONLY | O_CREAT, 0666)) < 0) {
|
||
close(fd1);
|
||
return false;
|
||
}
|
||
|
||
uint32_t block;
|
||
off64_t fsizeSrc64 = lseek64(fd1, 0, SEEK_END);
|
||
lseek64(fd1, 0, SEEK_SET);
|
||
if (fsizeSrc64 > 0x7FFFFFF0) { // > 2GB
|
||
off64_t fsize64 = fsizeSrc64;
|
||
block = FileBufSize;
|
||
//printf("#####[%s] fsizeSrc64: %lld 0x%010llX - large file\n", __FUNCTION__, fsizeSrc64, fsizeSrc64);
|
||
while(fsize64 > 0) {
|
||
if(fsize64 < (off64_t)FileBufSize)
|
||
block = (uint32_t)fsize64;
|
||
read(fd1, FileBuf, block);
|
||
write(fd2, FileBuf, block);
|
||
fsize64 -= block;
|
||
if (!doCopyFlag)
|
||
break;
|
||
}
|
||
if (doCopyFlag) {
|
||
lseek64(fd2, 0, SEEK_SET);
|
||
off64_t fsizeDst64 = lseek64(fd2, 0, SEEK_END);
|
||
if (fsizeSrc64 != fsizeDst64){
|
||
close(fd1);
|
||
close(fd2);
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
else { // < 2GB
|
||
off_t fsizeSrc = lseek(fd1, 0, SEEK_END);
|
||
lseek(fd1, 0, SEEK_SET);
|
||
off_t fsize = fsizeSrc;
|
||
block = FileBufSize;
|
||
//printf("#####[%s] fsizeSrc: %ld 0x%08lX - normal file\n", __FUNCTION__, fsizeSrc, fsizeSrc);
|
||
while(fsize > 0) {
|
||
if(fsize < (off_t)FileBufSize)
|
||
block = (uint32_t)fsize;
|
||
read(fd1, FileBuf, block);
|
||
write(fd2, FileBuf, block);
|
||
fsize -= block;
|
||
if (!doCopyFlag)
|
||
break;
|
||
}
|
||
if (doCopyFlag) {
|
||
lseek(fd2, 0, SEEK_SET);
|
||
off_t fsizeDst = lseek(fd2, 0, SEEK_END);
|
||
if (fsizeSrc != fsizeDst){
|
||
close(fd1);
|
||
close(fd2);
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
close(fd1);
|
||
close(fd2);
|
||
|
||
if (!doCopyFlag) {
|
||
sync();
|
||
unlink(Dst);
|
||
return false;
|
||
}
|
||
|
||
chmod(Dst, mode);
|
||
return true;
|
||
}
|
||
|
||
bool CFileHelpers::copyDir(const char *Src, const char *Dst, bool backupMode)
|
||
{
|
||
DIR *Directory;
|
||
struct dirent *CurrentFile;
|
||
static struct stat FileInfo;
|
||
char srcPath[PATH_MAX];
|
||
char dstPath[PATH_MAX];
|
||
char buf[PATH_MAX];
|
||
|
||
//open directory
|
||
if ((Directory = opendir(Src)) == NULL)
|
||
return false;
|
||
if (lstat(Src, &FileInfo) == -1) {
|
||
closedir(Directory);
|
||
return false;
|
||
}
|
||
// create directory
|
||
// is symlink
|
||
if (S_ISLNK(FileInfo.st_mode)) {
|
||
int len = readlink(Src, buf, sizeof(buf)-1);
|
||
if (len != -1) {
|
||
buf[len] = '\0';
|
||
symlink(buf, Dst);
|
||
}
|
||
}
|
||
else {
|
||
// directory
|
||
if (createDir(Dst, FileInfo.st_mode & 0x0FFF) == false) {
|
||
if (errno != EEXIST) {
|
||
closedir(Directory);
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
// read directory
|
||
while ((CurrentFile = readdir(Directory)) != NULL) {
|
||
// ignore '.' and '..'
|
||
if (strcmp(CurrentFile->d_name, ".") && strcmp(CurrentFile->d_name, "..")) {
|
||
strcpy(srcPath, Src);
|
||
strcat(srcPath, "/");
|
||
strcat(srcPath, CurrentFile->d_name);
|
||
if (lstat(srcPath, &FileInfo) == -1) {
|
||
closedir(Directory);
|
||
return false;
|
||
}
|
||
strcpy(dstPath, Dst);
|
||
strcat(dstPath, "/");
|
||
strcat(dstPath, CurrentFile->d_name);
|
||
// is symlink
|
||
if (S_ISLNK(FileInfo.st_mode)) {
|
||
int len = readlink(srcPath, buf, sizeof(buf)-1);
|
||
if (len != -1) {
|
||
buf[len] = '\0';
|
||
symlink(buf, dstPath);
|
||
}
|
||
}
|
||
// is directory
|
||
else if (S_ISDIR(FileInfo.st_mode)) {
|
||
copyDir(srcPath, dstPath);
|
||
}
|
||
// is file
|
||
else if (S_ISREG(FileInfo.st_mode)) {
|
||
std::string save = "";
|
||
if (backupMode && (CExtUpdate::getInstance()->isBlacklistEntry(srcPath)))
|
||
save = ".save";
|
||
copyFile(srcPath, (dstPath + save).c_str(), FileInfo.st_mode & 0x0FFF);
|
||
}
|
||
}
|
||
}
|
||
closedir(Directory);
|
||
return true;
|
||
}
|
||
|
||
bool CFileHelpers::createDir(const char *Dir, mode_t mode)
|
||
{
|
||
char dirPath[PATH_MAX];
|
||
DIR *dir;
|
||
if ((dir = opendir(Dir)) != NULL) {
|
||
closedir(dir);
|
||
errno = EEXIST;
|
||
return false;
|
||
}
|
||
|
||
int ret = -1;
|
||
while (ret == -1) {
|
||
strcpy(dirPath, Dir);
|
||
ret = mkdir(dirPath, mode);
|
||
if ((errno == ENOENT) && (ret == -1)) {
|
||
char * pos = strrchr(dirPath,'/');
|
||
if (pos != NULL) {
|
||
pos[0] = '\0';
|
||
createDir(dirPath, mode);
|
||
}
|
||
}
|
||
else
|
||
return !ret || (errno == EEXIST);
|
||
}
|
||
errno = 0;
|
||
return true;
|
||
}
|
||
|
||
bool CFileHelpers::removeDir(const char *Dir)
|
||
{
|
||
DIR *dir;
|
||
struct dirent *entry;
|
||
char path[PATH_MAX];
|
||
|
||
dir = opendir(Dir);
|
||
if (dir == NULL) {
|
||
printf("Error opendir()\n");
|
||
return false;
|
||
}
|
||
while ((entry = readdir(dir)) != NULL) {
|
||
if (strcmp(entry->d_name, ".") && strcmp(entry->d_name, "..")) {
|
||
snprintf(path, (size_t) PATH_MAX, "%s/%s", Dir, entry->d_name);
|
||
if (entry->d_type == DT_DIR)
|
||
removeDir(path);
|
||
else
|
||
unlink(path);
|
||
}
|
||
}
|
||
closedir(dir);
|
||
rmdir(Dir);
|
||
|
||
errno = 0;
|
||
return true;
|
||
}
|
||
|
||
static int hdd_open_dev(const char * fname)
|
||
{
|
||
FILE * fp;
|
||
struct mntent * mnt;
|
||
dev_t dev;
|
||
struct stat st;
|
||
int fd = -1;
|
||
|
||
if (stat(fname, &st) != 0) {
|
||
perror(fname);
|
||
return fd;
|
||
}
|
||
|
||
dev = st.st_dev;
|
||
fp = setmntent("/proc/mounts", "r");
|
||
if (fp == NULL) {
|
||
perror("setmntent");
|
||
return fd;
|
||
}
|
||
|
||
while ((mnt = getmntent(fp)) != NULL) {
|
||
if (stat(mnt->mnt_fsname, &st) != 0)
|
||
continue;
|
||
if (S_ISBLK(st.st_mode) && st.st_rdev == dev) {
|
||
printf("[hdd] file [%s] -> dev [%s]\n", fname, mnt->mnt_fsname);
|
||
fd = open(mnt->mnt_fsname, O_RDONLY|O_NONBLOCK);
|
||
if (fd < 0)
|
||
perror(mnt->mnt_fsname);
|
||
break;
|
||
}
|
||
}
|
||
endmntent(fp);
|
||
return fd;
|
||
}
|
||
|
||
bool hdd_get_standby(const char * fname)
|
||
{
|
||
bool standby = false;
|
||
|
||
int fd = hdd_open_dev(fname);
|
||
if (fd >= 0) {
|
||
unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
|
||
int ret = ioctl(fd, HDIO_DRIVE_CMD, args);
|
||
if (ret) {
|
||
args[0] = WIN_CHECKPOWERMODE2;
|
||
ret = ioctl(fd, HDIO_DRIVE_CMD, args);
|
||
}
|
||
if ((ret == 0) && (args[2] != 0xFF))
|
||
standby = true;
|
||
|
||
printf("[hdd] %s\n", standby ? "standby" : "active");
|
||
close(fd);
|
||
}
|
||
return standby;
|
||
}
|
||
|
||
void hdd_flush(const char * fname)
|
||
{
|
||
int fd = hdd_open_dev(fname);
|
||
if (fd >= 0) {
|
||
printf("[hdd] flush buffers...\n");
|
||
fsync(fd);
|
||
if (ioctl(fd, BLKFLSBUF, NULL))
|
||
perror("BLKFLSBUF");
|
||
else
|
||
ioctl(fd, HDIO_DRIVE_CMD, NULL);
|
||
close(fd);
|
||
}
|
||
}
|