s3: Add msg_channel

This is a tevent_based variant of messaging_register

1 files changed, 131 insertions, 0 deletions

diff --git a/source3/torture/test_msg.c b/source3/torture/test_msg.c
new file mode 100644
index 0000000000..88b07e742c
--- /dev/null
+++ b/source3/torture/test_msg.c
@@ -0,0 +1,131 @@
+/*
+   Unix SMB/CIFS implementation.
+   Test msg_stream API
+   Copyright (C) Volker Lendecke 2012
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "torture/proto.h"
+#include "lib/util/tevent_unix.h"
+#include "msg_channel.h"
+
+struct msg_test_state {
+	struct tevent_context *ev;
+	struct messaging_context *msg;
+	struct msg_channel *channel;
+};
+
+static void msg_test_got_channel(struct tevent_req *subreq);
+static void msg_test_got_msg(struct tevent_req *subreq);
+
+static struct tevent_req *msg_test_send(TALLOC_CTX *mem_ctx,
+					struct tevent_context *ev)
+{
+	struct tevent_req *req, *subreq;
+	struct msg_test_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct msg_test_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->ev = ev;
+
+	state->msg = messaging_init(state, state->ev);
+	if (tevent_req_nomem(state->msg, req)) {
+		return tevent_req_post(req, ev);
+	}
+	subreq = msg_channel_init_send(state, state->ev, state->msg, MSG_PING);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, msg_test_got_channel, req);
+	return req;
+}
+
+static void msg_test_got_channel(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct msg_test_state *state = tevent_req_data(
+		req, struct msg_test_state);
+	int ret;
+
+	ret = msg_channel_init_recv(subreq, state, &state->channel);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	subreq = msg_read_send(state, state->ev, state->channel);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, msg_test_got_msg, req);
+}
+
+static void msg_test_got_msg(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct msg_test_state *state = tevent_req_data(
+		req, struct msg_test_state);
+	struct messaging_rec *msg;
+	int ret;
+
+	ret = msg_read_recv(subreq, state, &msg);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	tevent_req_done(req);
+}
+
+static int msg_test_recv(struct tevent_req *req)
+{
+	int err;
+
+	if (tevent_req_is_unix_error(req, &err)) {
+		return err;
+	}
+	return 0;
+}
+
+bool run_msg_test(int dummy)
+{
+	struct tevent_context *ev;
+	struct tevent_req *req;
+	int ret;
+
+	ev = tevent_context_init(talloc_tos());
+	if (ev == NULL) {
+		fprintf(stderr, "tevent_context_init failed\n");
+		return false;
+	}
+	req = msg_test_send(ev, ev);
+	if (req == NULL) {
+		fprintf(stderr, "msg_test_send failed\n");
+		return false;
+	}
+	if (!tevent_req_poll(req, ev)) {
+		fprintf(stderr, "tevent_req_poll failed\n");
+		return false;
+	}
+	ret = msg_test_recv(req);
+	TALLOC_FREE(req);
+	printf("msg_test_recv returned %s\n",
+	       ret ? strerror(ret) : "success");
+	TALLOC_FREE(ev);
+	return (ret == 0);
+}