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ctdb-tests: Add interactive test for tunnels

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Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Oct 10 15:50:04 CEST 2017 on sn-devel-144
This commit is contained in:
Amitay Isaacs 2017-08-11 15:53:28 +10:00 committed by Martin Schwenke
parent 79a44d15bb
commit 046427b0ab
2 changed files with 200 additions and 0 deletions
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199
ctdb/tests/src/tunnel_cmd.c Normal file
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@ -0,0 +1,199 @@
/*
CTDB tunnel test
Copyright (C) Amitay Isaacs 2017
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 "replace.h"
#include "system/network.h"
#include <talloc.h>
#include <tevent.h>
#include "lib/util/tevent_unix.h"
#include "protocol/protocol_private.h"
#include "client/client.h"
#define TUNNEL_ID (CTDB_TUNNEL_TEST | 0xf0f0f0f0)
struct listen_state {
TALLOC_CTX *mem_ctx;
bool done;
};
static void listen_callback(struct ctdb_tunnel_context *tctx,
uint32_t srcnode, uint32_t reqid,
uint8_t *buf, size_t buflen,
void *private_data)
{
struct listen_state *state = (struct listen_state *)private_data;
const char *msg;
size_t np;
int ret;
ret = ctdb_stringn_pull(buf, buflen, state->mem_ctx, &msg, &np);
if (ret != 0) {
fprintf(stderr, "Invalid tunnel message, ret=%d\n", ret);
return;
}
fprintf(stderr, "%u: %s\n", srcnode, msg);
if (strcmp(msg, "quit") == 0) {
state->done = true;
}
talloc_free(discard_const(msg));
}
static int cmd_listen(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct ctdb_client_context *client)
{
struct ctdb_tunnel_context *tunnel;
struct listen_state state;
int ret;
state.mem_ctx = mem_ctx;
state.done = false;
ret = ctdb_tunnel_setup(mem_ctx, ev, client, TUNNEL_ID,
listen_callback, &state, &tunnel);
if (ret != 0) {
return ret;
}
ctdb_client_wait(ev, &state.done);
ret = ctdb_tunnel_destroy(ev, tunnel);
if (ret != 0) {
return ret;
}
return 0;
}
static void send_callback(struct ctdb_tunnel_context *tctx,
uint32_t srcnode, uint32_t reqid,
uint8_t *buf, size_t buflen, void *private_data)
{
fprintf(stderr, "send received a message - %u: %zu\n", srcnode, buflen);
}
static int cmd_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct ctdb_client_context *client,
uint32_t destnode, const char *msg)
{
struct ctdb_tunnel_context *tunnel;
uint8_t *buf;
size_t buflen, np;
int ret;
ret = ctdb_tunnel_setup(mem_ctx, ev, client, TUNNEL_ID,
send_callback, NULL, &tunnel);
if (ret != 0) {
return ret;
}
buflen = ctdb_stringn_len(&msg);
buf = talloc_size(mem_ctx, buflen);
if (buf == NULL) {
return ENOMEM;
}
ctdb_stringn_push(&msg, buf, &np);
ret = ctdb_tunnel_request(mem_ctx, ev, tunnel, destnode,
tevent_timeval_zero(), buf, buflen, false);
if (ret != 0) {
return ret;
}
ret = ctdb_tunnel_destroy(ev, tunnel);
if (ret != 0) {
return ret;
}
return 0;
}
static void usage(const char *cmd)
{
fprintf(stderr, "usage: %s <ctdb-socket> listen\n", cmd);
fprintf(stderr, "usage: %s <ctdb-socket> send <pnn> <msg>\n", cmd);
}
int main(int argc, const char **argv)
{
TALLOC_CTX *mem_ctx;
struct tevent_context *ev;
struct ctdb_client_context *client;
const char *socket = NULL, *msg = NULL;
uint32_t pnn = CTDB_UNKNOWN_PNN;
int ret;
bool do_listen = false;
bool do_send = false;
if (argc != 3 && argc != 5) {
usage(argv[0]);
exit(1);
}
socket = argv[1];
if (strcmp(argv[2], "listen") == 0) {
do_listen = true;
} else if (strcmp(argv[2], "send") == 0) {
if (argc != 5) {
usage(argv[0]);
exit(1);
}
pnn = atol(argv[3]);
msg = argv[4];
do_send = true;
} else {
usage(argv[0]);
exit(1);
}
mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
exit(1);
}
ev = tevent_context_init(mem_ctx);
if (ev == NULL) {
talloc_free(mem_ctx);
exit(1);
}
ret = ctdb_client_init(mem_ctx, ev, socket, &client);
if (ret != 0) {
talloc_free(mem_ctx);
exit(1);
}
if (do_listen) {
ret = cmd_listen(mem_ctx, ev, client);
}
if (do_send) {
ret = cmd_send(mem_ctx, ev, client, pnn, msg);
}
talloc_free(mem_ctx);
return ret;
}

1
ctdb/wscript
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@ -823,6 +823,7 @@ def build(bld):
'lock_tdb',
'dummy_client',
'tunnel_test',
'tunnel_cmd',
]
for target in ctdb_tests: