ssize_t qio_channel_write(QIOChannel *ioc,
const char *buf,
size_t buflen,
Error **errp)
{
struct iovec iov = { .iov_base = (char *)buf, .iov_len = buflen };
return qio_channel_writev_full(ioc, &iov, 1, NULL, 0, errp);
}
int qio_channel_read_all_eof(QIOChannel *ioc,
char *buf,
size_t buflen,
Error **errp)
{
struct iovec iov = { .iov_base = buf, .iov_len = buflen };
return qio_channel_readv_all_eof(ioc, &iov, 1, errp);
}
int qio_channel_read_all(QIOChannel *ioc,
char *buf,
size_t buflen,
Error **errp)
{
struct iovec iov = { .iov_base = buf, .iov_len = buflen };
return qio_channel_readv_all(ioc, &iov, 1, errp);
}
int qio_channel_write_all(QIOChannel *ioc,
const char *buf,
size_t buflen,
Error **errp)
{
struct iovec iov = { .iov_base = (char *)buf, .iov_len = buflen };
return qio_channel_writev_all(ioc, &iov, 1, errp);
}
int qio_channel_set_blocking(QIOChannel *ioc,
bool enabled,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
return klass->io_set_blocking(ioc, enabled, errp);
}
int qio_channel_close(QIOChannel *ioc,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
return klass->io_close(ioc, errp);
}
void qio_channel_set_cork(QIOChannel *ioc,
bool enabled)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
if (klass->io_set_cork) {
klass->io_set_cork(ioc, enabled);
}
}
void qio_channel_set_aio_fd_handler(QIOChannel *ioc,
AioContext *ctx,
IOHandler *io_read,
IOHandler *io_write,
void *opaque)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
klass->io_set_aio_fd_handler(ioc, ctx, io_read, io_write, opaque);
}
GSource *qio_channel_create_watch(QIOChannel *ioc,
GIOCondition condition)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
GSource *ret = klass->io_create_watch(ioc, condition);
if (ioc->name) {
g_source_set_name(ret, ioc->name);
}
return ret;
}
int qio_channel_shutdown(QIOChannel *ioc,
QIOChannelShutdown how,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
if (!klass->io_shutdown) {
error_setg(errp, "Data path shutdown not supported");
return -1;
}
return klass->io_shutdown(ioc, how, errp);
}
off_t qio_channel_io_seek(QIOChannel *ioc,
off_t offset,
int whence,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
if (!klass->io_seek) {
error_setg(errp, "Channel does not support random access");
return -1;
}
return klass->io_seek(ioc, offset, whence, errp);
}
ssize_t qio_channel_writev_full(QIOChannel *ioc,
const struct iovec *iov,
size_t niov,
int *fds,
size_t nfds,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
if ((fds || nfds) &&
!qio_channel_has_feature(ioc, QIO_CHANNEL_FEATURE_FD_PASS)) {
error_setg_errno(errp, EINVAL,
"Channel does not support file descriptor passing");
return -1;
}
return klass->io_writev(ioc, iov, niov, fds, nfds, errp);
}
int qio_channel_close(QIOChannel *ioc,
Error **errp)
{
QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc);
return klass->io_close(ioc, errp);
}