/* must be called with hw device and output stream mutexes locked */
static int start_output_stream(struct stream_out *out)
{
ALOGV("usb:audio_hw::out start_output_stream(card:%d device:%d)",
out->profile->card, out->profile->device);
return proxy_open(&out->proxy);
}
static int
stormfs_open(const char *path, struct fuse_file_info *fi)
{
FILE *fp;
int fd;
int result;
struct file *f;
DEBUG("open: %s\n", path);
if((result = valid_path(path)) != 0)
return result;
if(fi->flags & O_TRUNC)
if((result = stormfs_truncate(path, 0)) != 0)
return result;
f = cache_get(path);
if(cache_file_valid(f)) {
char *cp = cache_path(f);
fp = fopen(cp, "a+");
free(cp);
if(fp == NULL)
return -errno;
if((fd = fileno(fp)) == -1)
return -errno;
fi->fh = fd;
return 0;
}
// file not available in cache, download it.
if((fd = cache_create_file(f)) == -1)
return -1; // FIXME: need to return proper errors here.
if((fp = fdopen(fd, "a+")) == NULL)
return -errno;
if((result = proxy_open(path, fp)) != 0) {
fclose(fp);
return result;
}
fi->fh = fd;
return result;
}
static int
stormfs_readlink(const char *path, char *buf, size_t size)
{
int fd;
FILE *fp = NULL;
int result;
struct stat st;
struct file *f;
DEBUG("readlink: %s\n", path);
if((result = valid_path(path)) != 0)
return result;
if(size <= 0)
return 0;
--size; // save the null byte
f = cache_get(path);
if(cache_file_valid(f)) {
char *cp = cache_path(f);
fp = fopen(cp, "a+");
free(cp);
if(fp == NULL)
return -errno;
if((fd = fileno(fp)) == -1)
return -errno;
} else {
// file not available in cache, download it.
if((fd = cache_create_file(f)) == -1)
return -EIO;
if((fp = fdopen(fd, "a+")) == NULL)
return -errno;
if((result = proxy_open(path, fp)) != 0) {
fclose(fp);
return result;
}
}
if(fstat(fd, &st) != 0) {
close(fd);
return -errno;
}
if(st.st_size < (off_t) size)
size = st.st_size;
if(pread(fd, buf, size, 0) == -1) {
close(fd);
return -errno;
}
buf[size] = 0;
if(close(fd) != 0)
return -errno;
return 0;
}
/* must be called with hw device and output stream mutexes locked */
static int start_input_stream(struct stream_in *in)
{
ALOGV("ustart_input_stream(card:%d device:%d)", in->profile->card, in->profile->device);
return proxy_open(&in->proxy);
}
