s3: Add a second ctdb connect library

The existing one is not async at all.

1 files changed, 247 insertions, 0 deletions

diff --git a/source3/torture/test_ctdbconn.c b/source3/torture/test_ctdbconn.c
new file mode 100644
index 0000000000..539e224899
--- /dev/null
+++ b/source3/torture/test_ctdbconn.c
@@ -0,0 +1,247 @@
+/*
+   Unix SMB/CIFS implementation.
+   Test new ctdb 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"
+
+#ifdef CLUSTER_SUPPORT
+
+#include "ctdb_conn.h"
+#include "lib/util/tevent_unix.h"
+#include "tdb.h"
+#include "ctdb_protocol.h"
+#include "messages.h"
+
+struct ctdb_conn_test_state {
+	struct tevent_context *ev;
+	struct ctdb_conn *conn;
+	struct ctdb_msg_channel *channel;
+	int msgno;
+};
+
+static void ctdb_conn_test_got_conn(struct tevent_req *subreq);
+static void ctdb_conn_test_got_pnn(struct tevent_req *subreq);
+static void ctdb_conn_test_got_channel(struct tevent_req *subreq);
+static void ctdb_conn_test_got_msg(struct tevent_req *subreq);
+static void ctdb_conn_test_msg_sent(struct tevent_req *subreq);
+
+static struct tevent_req *ctdb_conn_test_send(TALLOC_CTX *mem_ctx,
+					      struct tevent_context *ev)
+{
+	struct tevent_req *req, *subreq;
+	struct ctdb_conn_test_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct ctdb_conn_test_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->ev = ev;
+
+	subreq = ctdb_conn_init_send(mem_ctx, ev, lp_ctdbd_socket());
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_got_conn, req);
+	return req;
+}
+
+static void ctdb_conn_test_got_conn(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct ctdb_conn_test_state *state = tevent_req_data(
+		req, struct ctdb_conn_test_state);
+	uint64_t ret;
+
+	ret = ctdb_conn_init_recv(subreq, state, &state->conn);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	subreq = ctdb_conn_control_send(state, state->ev, state->conn,
+					CTDB_CURRENT_NODE,
+					CTDB_CONTROL_GET_PNN, 0, 0, NULL, 0);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_got_pnn, req);
+}
+
+static void ctdb_conn_test_got_pnn(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct ctdb_conn_test_state *state = tevent_req_data(
+		req, struct ctdb_conn_test_state);
+	int ret;
+	struct ctdb_reply_control *reply;
+
+	ret = ctdb_conn_control_recv(subreq, talloc_tos(), &reply);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	printf("vnn=%d\n", (int)reply->status);
+
+	subreq = ctdb_msg_channel_init_send(
+		state, state->ev, lp_ctdbd_socket(), 999999);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_got_channel, req);
+}
+
+static void ctdb_conn_test_got_channel(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct ctdb_conn_test_state *state = tevent_req_data(
+		req, struct ctdb_conn_test_state);
+	int ret;
+
+	ret = ctdb_msg_channel_init_recv(subreq, state, &state->channel);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+
+	subreq = ctdb_msg_read_send(state, state->ev, state->channel);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_got_msg, req);
+
+	state->msgno += 1;
+
+	subreq = ctdb_conn_msg_write_send(
+		state, state->ev, state->conn, CTDB_CURRENT_NODE, 999999,
+		(uint8_t *)&state->msgno, sizeof(state->msgno));
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_msg_sent, req);
+}
+
+static void ctdb_conn_test_got_msg(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct ctdb_conn_test_state *state = tevent_req_data(
+		req, struct ctdb_conn_test_state);
+	uint8_t *buf;
+	size_t buf_len;
+	int ret;
+
+	ret = ctdb_msg_read_recv(subreq, talloc_tos(), &buf, &buf_len);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	if (buf_len != sizeof(int)) {
+		printf("got invalid msg\n");
+		tevent_req_error(req, EINVAL);
+		return;
+	}
+	memcpy(&ret, buf, buf_len);
+	printf("got msg %d\n", ret);
+	if (ret == 5) {
+		tevent_req_done(req);
+		return;
+	}
+
+	subreq = ctdb_msg_read_send(state, state->ev, state->channel);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_got_msg, req);
+}
+
+static void ctdb_conn_test_msg_sent(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct ctdb_conn_test_state *state = tevent_req_data(
+		req, struct ctdb_conn_test_state);
+	int ret;
+
+	ret = ctdb_conn_msg_write_recv(subreq);
+	TALLOC_FREE(subreq);
+	if (tevent_req_error(req, ret)) {
+		return;
+	}
+	state->msgno += 1;
+
+	if (state->msgno >= 10) {
+		return;
+	}
+
+	subreq = ctdb_conn_msg_write_send(
+		state, state->ev, state->conn, CTDB_CURRENT_NODE, 999999,
+		(uint8_t *)&state->msgno, sizeof(state->msgno));
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, ctdb_conn_test_msg_sent, req);
+}
+
+static int ctdb_conn_test_recv(struct tevent_req *req)
+{
+	int err;
+	if (tevent_req_is_unix_error(req, &err)) {
+		return err;
+	}
+	return 0;
+}
+
+bool run_ctdb_conn(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 = ctdb_conn_test_send(ev, ev);
+	if (req == NULL) {
+		fprintf(stderr, "ctdb_conn_test_send failed\n");
+		return false;
+	}
+	if (!tevent_req_poll(req, ev)) {
+		fprintf(stderr, "tevent_req_poll failed\n");
+		return false;
+	}
+	ret = ctdb_conn_test_recv(req);
+	TALLOC_FREE(req);
+	printf("ctdb_conn_test returned %s\n",
+	       ret ? strerror(ret) : "success");
+	TALLOC_FREE(ev);
+	return (ret == 0);
+}
+
+#else /* CLUSTER_SUPPORT */
+
+bool run_ctdb_conn(int dummy)
+{
+	return true;
+}
+
+#endif