int storage_file_write(struct storage_msg *msg,
const void *r, size_t req_len)
{
int rc;
const struct storage_file_write_req *req = r;
if (req_len < sizeof(*req)) {
ALOGE("%s: invalid request length (%zd < %zd)\n",
__func__, req_len, sizeof(*req));
msg->result = STORAGE_ERR_NOT_VALID;
goto err_response;
}
int fd = lookup_fd(req->handle, true);
if (write_with_retry(fd, &req->data[0], req_len - sizeof(*req),
req->offset) < 0) {
rc = errno;
ALOGW("%s: error writing file (fd=%d): %s\n",
__func__, fd, strerror(errno));
msg->result = translate_errno(rc);
goto err_response;
}
msg->result = STORAGE_NO_ERROR;
err_response:
return ipc_respond(msg, NULL, 0);
}
ssize_t writev_with_retry(int fd, const struct iovec *iov, size_t ic)
{
ssize_t len = 0;
int i = 0;
for(i=0; i<ic; ++i)
{
write_with_retry(fd, iov[i].iov_base, iov[i].iov_len);
len += iov[i].iov_len;
if(PlaybackDieNow(0))
{
return -1;
}
}
return len;
}
