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s3: Add a second ctdb connect library

Browse Source 
The existing one is not async at all.
This commit is contained in:
Volker Lendecke
2012-02-15 12:26:59 +01:00
parent 94cf5cc284
commit 48a485b639
7 changed files with 931 additions and 0 deletions
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2
source3/Makefile.in
View File

@ -433,6 +433,7 @@ CRYPTO_OBJ = ../lib/crypto/crc32.o @CRYPTO_MD5_OBJ@ \
LIB_OBJ = $(LIBSAMBAUTIL_OBJ) $(UTIL_OBJ) $(CRYPTO_OBJ) $(LIBTSOCKET_OBJ) \
lib/messages.o librpc/gen_ndr/ndr_messaging.o lib/messages_local.o \
lib/messages_ctdbd.o lib/ctdb_packet.o lib/ctdbd_conn.o \
lib/ctdb_conn.o \
lib/id_cache.o \
../lib/socket/interfaces.o lib/memcache.o \
lib/talloc_dict.o \
@ -1273,6 +1274,7 @@ SMBTORTURE_OBJ1 = torture/torture.o torture/nbio.o torture/scanner.o torture/uta
torture/test_chain3.o \
torture/test_authinfo_structs.o \
torture/test_cleanup.o \
torture/test_ctdbconn.o \
torture/t_strappend.o
SMBTORTURE_OBJ = $(SMBTORTURE_OBJ1) $(PARAM_OBJ) $(TLDAP_OBJ) \

603
source3/lib/ctdb_conn.c Normal file
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@ -0,0 +1,603 @@
/*
Unix SMB/CIFS implementation.
Samba3 ctdb connection handling
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 "lib/util/tevent_unix.h"
#include "ctdb_conn.h"
#ifdef CLUSTER_SUPPORT
#include "lib/async_req/async_sock.h"
struct ctdb_conn {
int fd;
struct tevent_queue *outqueue;
};
struct ctdb_conn_init_state {
struct sockaddr_un addr;
struct ctdb_conn *conn;
};
static void ctdb_conn_init_done(struct tevent_req *subreq);
static int ctdb_conn_destructor(struct ctdb_conn *conn);
struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *sock)
{
struct tevent_req *req, *subreq;
struct ctdb_conn_init_state *state;
req = tevent_req_create(mem_ctx, &state, struct ctdb_conn_init_state);
if (req == NULL) {
return NULL;
}
if (!lp_clustering()) {
tevent_req_error(req, ENOSYS);
return tevent_req_post(req, ev);
}
if (strlen(sock) >= sizeof(state->addr.sun_path)) {
tevent_req_error(req, ENAMETOOLONG);
return tevent_req_post(req, ev);
}
state->conn = talloc(state, struct ctdb_conn);
if (tevent_req_nomem(state->conn, req)) {
return tevent_req_post(req, ev);
}
state->conn->outqueue = tevent_queue_create(
state->conn, "ctdb outqueue");
if (tevent_req_nomem(state->conn->outqueue, req)) {
return tevent_req_post(req, ev);
}
state->conn->fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (state->conn->fd == -1) {
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
talloc_set_destructor(state->conn, ctdb_conn_destructor);
state->addr.sun_family = AF_UNIX;
strncpy(state->addr.sun_path, sock, sizeof(state->addr.sun_path));
subreq = async_connect_send(state, ev, state->conn->fd,
(struct sockaddr *)&state->addr,
sizeof(state->addr));
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_conn_init_done, req);
return req;
}
static int ctdb_conn_destructor(struct ctdb_conn *c)
{
if (c->fd != -1) {
close(c->fd);
c->fd = -1;
}
return 0;
}
static void ctdb_conn_init_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
int ret, err;
ret = async_connect_recv(subreq, &err);
TALLOC_FREE(subreq);
if (ret == -1) {
tevent_req_error(req, err);
return;
}
tevent_req_done(req);
}
int ctdb_conn_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_conn **pconn)
{
struct ctdb_conn_init_state *state = tevent_req_data(
req, struct ctdb_conn_init_state);
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
*pconn = talloc_move(mem_ctx, &state->conn);
return 0;
}
struct ctdb_conn_control_state {
struct tevent_context *ev;
struct ctdb_conn *conn;
struct ctdb_req_control req;
struct iovec iov[2];
struct ctdb_reply_control *reply;
};
static void ctdb_conn_control_written(struct tevent_req *subreq);
static void ctdb_conn_control_done(struct tevent_req *subreq);
static ssize_t ctdb_packet_more(uint8_t *buf, size_t buflen, void *p);
struct tevent_req *ctdb_conn_control_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_conn *conn,
uint32_t vnn, uint32_t opcode,
uint64_t srvid, uint32_t flags,
uint8_t *data, size_t datalen)
{
struct tevent_req *req, *subreq;
struct ctdb_conn_control_state *state;
struct ctdb_req_header *hdr;
req = tevent_req_create(mem_ctx, &state,
struct ctdb_conn_control_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->conn = conn;
hdr = &state->req.hdr;
hdr->length = offsetof(struct ctdb_req_control, data) + datalen;
hdr->ctdb_magic = CTDB_MAGIC;
hdr->ctdb_version = CTDB_VERSION;
hdr->operation = CTDB_REQ_CONTROL;
hdr->reqid = 1; /* FIXME */
hdr->destnode = vnn;
state->req.opcode = opcode;
state->req.srvid = srvid;
state->req.datalen = datalen;
state->req.flags = flags;
state->iov[0].iov_base = &state->req;
state->iov[0].iov_len = offsetof(struct ctdb_req_control, data);
state->iov[1].iov_base = data;
state->iov[1].iov_len = datalen;
subreq = writev_send(state, ev, conn->outqueue, conn->fd, false,
state->iov, 2);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_conn_control_written, req);
return req;
}
static void ctdb_conn_control_written(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct ctdb_conn_control_state *state = tevent_req_data(
req, struct ctdb_conn_control_state);
ssize_t written;
int err;
written = writev_recv(subreq, &err);
TALLOC_FREE(subreq);
if (written == -1) {
tevent_req_error(req, err);
return;
}
subreq = read_packet_send(
state, state->ev, state->conn->fd, sizeof(uint32_t),
ctdb_packet_more, NULL);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, ctdb_conn_control_done, req);
}
static ssize_t ctdb_packet_more(uint8_t *buf, size_t buflen, void *p)
{
uint32_t len;
if (buflen > sizeof(uint32_t)) {
/* Been here, done */
return 0;
}
memcpy(&len, buf, sizeof(len));
return (len - sizeof(uint32_t));
}
static void ctdb_conn_control_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct ctdb_conn_control_state *state = tevent_req_data(
req, struct ctdb_conn_control_state);
ssize_t nread;
uint8_t *buf;
int err;
nread = read_packet_recv(subreq, state, &buf, &err);
TALLOC_FREE(subreq);
if (nread == -1) {
tevent_req_error(req, err);
return;
}
state->reply = (struct ctdb_reply_control *)buf;
tevent_req_done(req);
}
int ctdb_conn_control_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_reply_control **preply)
{
struct ctdb_conn_control_state *state = tevent_req_data(
req, struct ctdb_conn_control_state);
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
if (preply != NULL) {
*preply = talloc_move(mem_ctx, &state->reply);
}
return 0;
}
struct ctdb_conn_msg_write_state {
struct ctdb_req_message ctdb_msg;
struct iovec iov[2];
};
static void ctdb_conn_msg_write_done(struct tevent_req *subreq);
struct tevent_req *ctdb_conn_msg_write_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_conn *conn,
uint32_t vnn, uint64_t srvid,
uint8_t *msg, size_t msg_len)
{
struct tevent_req *req, *subreq;
struct ctdb_conn_msg_write_state *state;
struct ctdb_req_header *h;
req = tevent_req_create(mem_ctx, &state,
struct ctdb_conn_msg_write_state);
if (req == NULL) {
return NULL;
}
h = &state->ctdb_msg.hdr;
h->length = offsetof(struct ctdb_req_message, data) + msg_len;
h->ctdb_magic = CTDB_MAGIC;
h->ctdb_version = CTDB_VERSION;
h->generation = 1;
h->operation = CTDB_REQ_MESSAGE;
h->destnode = vnn;
h->srcnode = CTDB_CURRENT_NODE;
h->reqid = 0;
state->ctdb_msg.srvid = srvid;
state->ctdb_msg.datalen = msg_len;
state->iov[0].iov_base = &state->ctdb_msg;
state->iov[0].iov_len = offsetof(struct ctdb_req_message, data);
state->iov[1].iov_base = msg;
state->iov[1].iov_len = msg_len;
subreq = writev_send(state, ev, conn->outqueue, conn->fd, false,
state->iov, 2);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_conn_msg_write_done, req);
return req;
}
static void ctdb_conn_msg_write_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
ssize_t written;
int err;
written = writev_recv(subreq, &err);
TALLOC_FREE(subreq);
if (written == -1) {
tevent_req_error(req, err);
return;
}
tevent_req_done(req);
}
int ctdb_conn_msg_write_recv(struct tevent_req *req)
{
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
return 0;
}
struct ctdb_msg_channel {
struct ctdb_conn *conn;
};
struct ctdb_msg_channel_init_state {
struct tevent_context *ev;
struct ctdb_conn *conn;
uint64_t srvid;
struct ctdb_msg_channel *channel;
};
static void ctdb_msg_channel_init_connected(struct tevent_req *subreq);
static void ctdb_msg_channel_init_registered_srvid(struct tevent_req *subreq);
struct tevent_req *ctdb_msg_channel_init_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
const char *sock, uint64_t srvid)
{
struct tevent_req *req, *subreq;
struct ctdb_msg_channel_init_state *state;
req = tevent_req_create(mem_ctx, &state,
struct ctdb_msg_channel_init_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->srvid = srvid;
subreq = ctdb_conn_init_send(state, ev, sock);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_msg_channel_init_connected, req);
return req;
}
static void ctdb_msg_channel_init_connected(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct ctdb_msg_channel_init_state *state = tevent_req_data(
req, struct ctdb_msg_channel_init_state);
int 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_REGISTER_SRVID,
state->srvid, 0, NULL, 0);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(
subreq, ctdb_msg_channel_init_registered_srvid, req);
}
static void ctdb_msg_channel_init_registered_srvid(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct ctdb_msg_channel_init_state *state = tevent_req_data(
req, struct ctdb_msg_channel_init_state);
struct ctdb_reply_control *reply;
int ret;
ret = ctdb_conn_control_recv(subreq, talloc_tos(), &reply);
TALLOC_FREE(subreq);
if (tevent_req_error(req, ret)) {
return;
}
if (reply->status != 0) {
tevent_req_error(req, EIO);
return;
}
state->channel = talloc(state, struct ctdb_msg_channel);
if (tevent_req_nomem(state->channel, req)) {
return;
}
state->channel->conn = talloc_move(state->channel, &state->conn);
tevent_req_done(req);
}
int ctdb_msg_channel_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_msg_channel **pchannel)
{
struct ctdb_msg_channel_init_state *state = tevent_req_data(
req, struct ctdb_msg_channel_init_state);
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
*pchannel = talloc_move(mem_ctx, &state->channel);
return 0;
}
struct ctdb_msg_read_state {
size_t buflen;
uint8_t *buf;
};
static void ctdb_msg_channel_got_msg(struct tevent_req *subreq);
struct tevent_req *ctdb_msg_read_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_msg_channel *channel)
{
struct tevent_req *req, *subreq;
struct ctdb_msg_read_state *state;
req = tevent_req_create(mem_ctx, &state,
struct ctdb_msg_read_state);
if (req == NULL) {
return NULL;
}
subreq = read_packet_send(state, ev, channel->conn->fd,
sizeof(uint32_t), ctdb_packet_more, NULL);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_msg_channel_got_msg, req);
return req;
}
static void ctdb_msg_channel_got_msg(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct ctdb_msg_read_state *state = tevent_req_data(
req, struct ctdb_msg_read_state);
ssize_t nread;
uint8_t *buf;
int err;
nread = read_packet_recv(subreq, state, &buf, &err);
if (nread == -1) {
tevent_req_error(req, err);
return;
}
state->buflen = nread;
state->buf = buf;
tevent_req_done(req);
}
int ctdb_msg_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint8_t **pmsg, size_t *pmsg_len)
{
struct ctdb_msg_read_state *state = tevent_req_data(
req, struct ctdb_msg_read_state);
struct ctdb_req_header *hdr;
struct ctdb_req_message *msg;
uint8_t *buf;
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
hdr = (struct ctdb_req_header *)state->buf;
if (hdr->length != state->buflen) {
DEBUG(10, ("Got invalid header length\n"));
return EIO;
}
if (hdr->operation != CTDB_REQ_MESSAGE) {
DEBUG(10, ("Expected %d (CTDB_REQ_MESSAGE), got %d\n",
CTDB_REQ_MESSAGE, (int)hdr->operation));
return EIO;
}
if (hdr->length < offsetof(struct ctdb_req_message, data)) {
DEBUG(10, ("Got short msg, len=%d\n", (int)hdr->length));
return EIO;
}
msg = (struct ctdb_req_message *)hdr;
if (msg->datalen >
hdr->length - offsetof(struct ctdb_req_message, data)) {
DEBUG(10, ("Got invalid datalen %d\n", (int)msg->datalen));
return EIO;
}
buf = (uint8_t *)talloc_memdup(mem_ctx, msg->data, msg->datalen);
if (buf == NULL) {
return ENOMEM;
}
*pmsg = buf;
*pmsg_len = msg->datalen;
return 0;
}
#else
struct dummy_state {
uint8_t dummy;
};
static struct tevent_req *dummy_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev)
{
struct tevent_req *req;
struct dummy_state *state;
req = tevent_req_create(mem_ctx, &state, struct dummy_state);
if (req == NULL) {
return NULL;
}
tevent_req_done(req);
return tevent_req_post(req, ev);
}
struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *sock)
{
return dummy_send(mem_ctx, ev);
}
int ctdb_conn_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_conn **pconn)
{
return ENOSYS;
}
struct tevent_req *ctdb_conn_msg_write_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_conn *conn,
uint32_t vnn, uint64_t srvid,
uint8_t *msg, size_t msg_len)
{
return dummy_send(mem_ctx, ev);
}
int ctdb_conn_msg_write_recv(struct tevent_req *req)
{
return ENOSYS;
}
struct tevent_req *ctdb_msg_channel_init_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
const char *sock, uint64_t srvid)
{
return dummy_send(mem_ctx, ev);
}
int ctdb_msg_channel_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_msg_channel **pchannel)
{
return ENOSYS;
}
struct tevent_req *ctdb_msg_read_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_msg_channel *channel)
{
return dummy_send(mem_ctx, ev);
}
int ctdb_msg_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint8_t **pmsg, size_t *pmsg_len)
{
return ENOSYS;
}
#endif

75
source3/lib/ctdb_conn.h Normal file
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@ -0,0 +1,75 @@
/*
Unix SMB/CIFS implementation.
Samba3 ctdb connection handling
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/>.
*/
#ifndef _CTDB_CONN_H
#define _CTDB_CONN_H
#ifdef CLUSTER_SUPPORT
#include <tdb.h>
#include <ctdb_protocol.h>
#else /* CLUSTER_SUPPORT */
struct ctdb_reply_control;
#endif /* CLUSTER_SUPPORT */
#include "tevent.h"
#include "librpc/gen_ndr/messaging.h"
struct ctdb_conn;
struct tevent_req *ctdb_conn_control_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_conn *conn,
uint32_t vnn, uint32_t opcode,
uint64_t srvid, uint32_t flags,
uint8_t *data, size_t datalen);
int ctdb_conn_control_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_reply_control **preply);
struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *sock);
int ctdb_conn_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_conn **pconn);
struct tevent_req *ctdb_conn_msg_write_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_conn *conn,
uint32_t vnn, uint64_t srvid,
uint8_t *msg, size_t msg_len);
int ctdb_conn_msg_write_recv(struct tevent_req *req);
struct ctdb_msg_channel;
struct tevent_req *ctdb_msg_channel_init_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
const char *sock, uint64_t srvid);
int ctdb_msg_channel_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct ctdb_msg_channel **pchannel);
struct tevent_req *ctdb_msg_read_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_msg_channel *channel);
int ctdb_msg_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint8_t **pmsg, size_t *pmsg_len);
#endif /* _CTDB_CONN_H */

1
source3/torture/proto.h
View File

@ -104,5 +104,6 @@ bool run_local_conv_auth_info(int dummy);
bool run_local_sprintf_append(int dummy);
bool run_cleanup1(int dummy);
bool run_cleanup2(int dummy);
bool run_ctdb_conn(int dummy);
#endif /* __TORTURE_H__ */

247
source3/torture/test_ctdbconn.c Normal file
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@ -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

1
source3/torture/torture.c
View File

@ -8917,6 +8917,7 @@ static struct {
{ "LOCAL-SUBSTITUTE", run_local_substitute, 0},
{ "LOCAL-GENCACHE", run_local_gencache, 0},
{ "LOCAL-TALLOC-DICT", run_local_talloc_dict, 0},
{ "LOCAL-CTDB-CONN", run_ctdb_conn, 0},
{ "LOCAL-BASE64", run_local_base64, 0},
{ "LOCAL-RBTREE", run_local_rbtree, 0},
{ "LOCAL-MEMCACHE", run_local_memcache, 0},

2
source3/wscript_build
View File

@ -41,6 +41,7 @@ REG_PARSE_PRS_SRC = '''registry/reg_parse_prs.c'''
LIB_SRC = '''
lib/messages.c lib/messages_local.c
lib/messages_ctdbd.c lib/ctdb_packet.c lib/ctdbd_conn.c
lib/ctdb_conn.c
lib/id_cache.c
lib/talloc_dict.c
lib/serverid.c
@ -572,6 +573,7 @@ SMBTORTURE_SRC1 = '''torture/torture.c torture/nbio.c torture/scanner.c torture/
torture/test_authinfo_structs.c
torture/test_smbsock_any_connect.c
torture/test_cleanup.c
torture/test_ctdbconn.c
torture/t_strappend.c'''
SMBTORTURE_SRC = '''${SMBTORTURE_SRC1}