Add rpc_write_send/recv

[metze/samba/wip.git] / source3 / rpc_client / cli_pipe.c

diff --git a/source3/rpc_client/cli_pipe.c b/source3/rpc_client/cli_pipe.c
index 3a5932297f8a714076f0af5ee0ae8e20c651b865..2cb9f08a53e105bf6092c7f9afb137586bd78cd3 100644 (file)
--- a/source3/rpc_client/cli_pipe.c
+++ b/source3/rpc_client/cli_pipe.c
@@ -342,6 +342,137 @@ static NTSTATUS rpc_read_recv(struct async_req *req)
        return async_req_simple_recv(req);
 }
 
+struct rpc_write_state {
+       struct event_context *ev;
+       struct rpc_pipe_client *cli;
+       const char *data;
+       size_t size;
+       size_t num_written;
+};
+
+static void rpc_write_np_done(struct async_req *subreq);
+static void rpc_write_sock_done(struct async_req *subreq);
+
+static struct async_req *rpc_write_send(TALLOC_CTX *mem_ctx,
+                                       struct event_context *ev,
+                                       struct rpc_pipe_client *cli,
+                                       const char *data, size_t size)
+{
+       struct async_req *result, *subreq;
+       struct rpc_write_state *state;
+
+       result = async_req_new(mem_ctx);
+       if (result == NULL) {
+               return NULL;
+       }
+       state = talloc(result, struct rpc_write_state);
+       if (state == NULL) {
+               goto fail;
+       }
+       result->private_data = state;
+
+       state->ev = ev;
+       state->cli = cli;
+       state->data = data;
+       state->size = size;
+       state->num_written = 0;
+
+       DEBUG(5, ("rpc_write_send: data_to_write: %u\n", (unsigned int)size));
+
+       if (cli->transport_type == NCACN_NP) {
+               subreq = cli_write_andx_send(
+                       state, ev, cli->trans.np.cli,
+                       cli->trans.np.fnum, 8, /* 8 means message mode. */
+                       (uint8_t *)data, 0, size);
+               if (subreq == NULL) {
+                       DEBUG(10, ("cli_write_andx_send failed\n"));
+                       goto fail;
+               }
+               subreq->async.fn = rpc_write_np_done;
+               subreq->async.priv = result;
+               return result;
+       }
+
+       if ((cli->transport_type == NCACN_IP_TCP)
+           || (cli->transport_type == NCACN_UNIX_STREAM)) {
+               subreq = sendall_send(state, ev, cli->trans.sock.fd,
+                                     data, size, 0);
+               if (subreq == NULL) {
+                       DEBUG(10, ("sendall_send failed\n"));
+                       goto fail;
+               }
+               subreq->async.fn = rpc_write_sock_done;
+               subreq->async.priv = result;
+               return result;
+       }
+
+       if (async_post_status(result, ev, NT_STATUS_INVALID_PARAMETER)) {
+               return result;
+       }
+ fail:
+       TALLOC_FREE(result);
+       return NULL;
+}
+
+static void rpc_write_np_done(struct async_req *subreq)
+{
+       struct async_req *req = talloc_get_type_abort(
+               subreq->async.priv, struct async_req);
+       struct rpc_write_state *state = talloc_get_type_abort(
+               req->private_data, struct rpc_write_state);
+       NTSTATUS status;
+       size_t written;
+
+       status = cli_write_andx_recv(subreq, &written);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               async_req_error(req, status);
+               return;
+       }
+
+       state->num_written += written;
+
+       if (state->num_written == state->size) {
+               async_req_done(req);
+               return;
+       }
+
+       subreq = cli_write_andx_send(
+               state, state->ev, state->cli->trans.np.cli,
+               state->cli->trans.np.fnum, 8,
+               (uint8_t *)(state->data + state->num_written),
+               0, state->size - state->num_written);
+
+       if (async_req_nomem(subreq, req)) {
+               return;
+       }
+
+       subreq->async.fn = rpc_write_np_done;
+       subreq->async.priv = req;
+}
+
+static void rpc_write_sock_done(struct async_req *subreq)
+{
+       struct async_req *req = talloc_get_type_abort(
+               subreq->async.priv, struct async_req);
+       NTSTATUS status;
+
+       status = sendall_recv(subreq);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               async_req_error(req, status);
+               return;
+       }
+
+       async_req_done(req);
+}
+
+static NTSTATUS rpc_write_recv(struct async_req *req)
+{
+       return async_req_simple_recv(req);
+}
+
+
 static NTSTATUS parse_rpc_header(struct rpc_pipe_client *cli,
                                 struct rpc_hdr_info *prhdr,
                                 prs_struct *pdu)