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Merge remote-tracking branch 'check/next-cc'

Browse Source 
...only build-tested, needs fixes


Origin commit data
------------------
Branch: ni/coolstream
Commit: ecd62d81d1
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2014-02-15 (Sat, 15 Feb 2014)



------------------
This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2014-02-15 20:22:07 +01:00
parent 55608c905f b0dfcd11ed
commit 59b887d87a
77 changed files with 1056 additions and 396 deletions
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92
src/system/helpers.cpp
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@@ -30,6 +30,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -39,6 +40,9 @@
#include <fcntl.h>
#include <dirent.h>
#include <stdarg.h>
#include <mntent.h>
#include <linux/hdreg.h>
#include <linux/fs.h>
#include <system/helpers.h>
#include <gui/update_ext.h>
@@ -77,12 +81,24 @@ bool file_exists(const char *filename)
void wakeup_hdd(const char *hdd_dir)
{
if(!check_dir(hdd_dir)){
if(!check_dir(hdd_dir) && hdd_get_standby(hdd_dir)){
std::string wakeup_file = hdd_dir;
wakeup_file += "/.wakeup";
int fd = open(wakeup_file.c_str(), O_SYNC | O_WRONLY | O_CREAT | O_TRUNC);
if (fd >= 0) {
unsigned char buf[512];
memset(buf, 0xFF, sizeof(buf));
for (int i = 0; i < 20; i++) {
if (write(fd, buf, sizeof(buf)) < 0) {
perror("write to .wakeup");
break;
}
}
fdatasync(fd);
close(fd);
}
hdd_flush(hdd_dir);
remove(wakeup_file.c_str());
creat(wakeup_file.c_str(),S_IREAD|S_IWRITE);
sync();
}
}
//use for script with full path
@@ -576,3 +592,73 @@ bool CFileHelpers::removeDir(const char *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);
}
}