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authorAndreas Schneider <asn@samba.org>2011-03-08 16:02:16 +0100
committerAndreas Schneider <asn@samba.org>2011-03-09 09:28:42 +0100
commit71f613e9d52c6667700b70a0fe1edf14d7796958 (patch)
tree2caf40fea1e94f114803cfb862f61d5a20e42400
parent133ed1cc6445bb6b734451a5eaf5939d5eb100b2 (diff)
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s3-rpc_server: Add tevent based endpoint setup functions.
-rw-r--r--source3/rpc_server/rpc_ep_setup.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/source3/rpc_server/rpc_ep_setup.c b/source3/rpc_server/rpc_ep_setup.c
index 32afa1d7bd..dd4c4c8053 100644
--- a/source3/rpc_server/rpc_ep_setup.c
+++ b/source3/rpc_server/rpc_ep_setup.c
@@ -176,6 +176,127 @@ static NTSTATUS _rpc_ep_unregister(const struct ndr_interface_table *iface)
return status;
}
+static void rpc_ep_setup_register_loop(struct tevent_req *subreq);
+static NTSTATUS rpc_ep_setup_try_register(struct tevent_context *ev_ctx,
+ struct messaging_context *msg_ctx,
+ const struct ndr_interface_table *iface,
+ const char *name,
+ uint16_t port);
+
+struct rpc_ep_regsiter_state {
+ uint32_t wait_time;
+
+ struct tevent_context *ev_ctx;
+ struct messaging_context *msg_ctx;
+
+ const struct ndr_interface_table *iface;
+
+ const char *ncalrpc;
+ uint16_t port;
+};
+
+static NTSTATUS rpc_ep_setup_register(struct tevent_context *ev_ctx,
+ struct messaging_context *msg_ctx,
+ const struct ndr_interface_table *iface,
+ const char *ncalrpc,
+ uint16_t port)
+{
+ struct rpc_ep_regsiter_state *state;
+ struct tevent_req *req;
+
+ state = talloc(ev_ctx, struct rpc_ep_regsiter_state);
+ if (state == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ state->wait_time = 1;
+ state->ev_ctx = ev_ctx;
+ state->msg_ctx = msg_ctx;
+ state->iface = iface;
+ state->ncalrpc = talloc_strdup(state, ncalrpc);
+ state->port = port;
+
+ req = tevent_wakeup_send(state, ev_ctx, timeval_current_ofs(1, 0));
+ if (tevent_req_nomem(state, req)) {
+ talloc_free(state);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ tevent_req_set_callback(req, rpc_ep_setup_register_loop, state);
+
+ return NT_STATUS_OK;
+}
+
+static void rpc_ep_setup_register_loop(struct tevent_req *req)
+{
+ struct rpc_ep_regsiter_state *state =
+ tevent_req_callback_data(req, struct rpc_ep_regsiter_state);
+ NTSTATUS status;
+ bool ok;
+
+ ok = tevent_wakeup_recv(req);
+ TALLOC_FREE(req);
+ if (!ok) {
+ return;
+ }
+
+ status = rpc_ep_setup_try_register(state->ev_ctx,
+ state->msg_ctx,
+ state->iface,
+ state->ncalrpc,
+ state->port);
+ if (NT_STATUS_IS_OK(status)) {
+ talloc_free(state);
+ return;
+ }
+
+ state->wait_time = state->wait_time * 2;
+ if (state->wait_time > 16) {
+ talloc_free(state);
+ return;
+ }
+
+ req = tevent_wakeup_send(state,
+ state->ev_ctx,
+ timeval_current_ofs(state->wait_time, 0));
+ if (tevent_req_nomem(state, req)) {
+ talloc_free(state);
+ return;
+ }
+
+ tevent_req_set_callback(req, rpc_ep_setup_register_loop, state);
+ return;
+}
+
+static NTSTATUS rpc_ep_setup_try_register(struct tevent_context *ev_ctx,
+ struct messaging_context *msg_ctx,
+ const struct ndr_interface_table *iface,
+ const char *name,
+ uint16_t port)
+{
+ struct dcerpc_binding_vector *v = NULL;
+ NTSTATUS status;
+
+ status = dcerpc_binding_vector_create(talloc_tos(),
+ iface,
+ port,
+ name,
+ &v);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = dcerpc_ep_register(iface,
+ v,
+ &iface->syntax_id.uuid,
+ name);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ return status;
+}
+
static bool epmapper_init_cb(void *ptr)
{
struct dcesrv_ep_context *ep_ctx =