#include "serverid.h"
#include "ctdbd_conn.h"
#include "system/select.h"
+#include "lib/util/sys_rw_data.h"
+#include "lib/util/iov_buf.h"
#include "messages.h"
-/*
- * It is not possible to include ctdb.h and tdb_compat.h (included via
- * some other include above) without warnings. This fixes those
- * warnings.
- */
-
-#ifdef typesafe_cb
-#undef typesafe_cb
-#endif
-
-#ifdef typesafe_cb_preargs
-#undef typesafe_cb_preargs
-#endif
-
-#ifdef typesafe_cb_postargs
-#undef typesafe_cb_postargs
-#endif
-
/* paths to these include files come from --with-ctdb= in configure */
-#include "ctdb.h"
#include "ctdb_private.h"
+struct ctdbd_srvid_cb {
+ uint64_t srvid;
+ int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
+ uint64_t dst_srvid,
+ const uint8_t *msg, size_t msglen,
+ void *private_data);
+ void *private_data;
+};
+
struct ctdbd_connection {
+ const char *sockname; /* Needed in ctdbd_traverse */
struct messaging_context *msg_ctx;
uint32_t reqid;
uint32_t our_vnn;
uint64_t rand_srvid;
+ struct ctdbd_srvid_cb *callbacks;
int fd;
struct tevent_fd *fde;
-
- bool (*release_ip_handler)(const char *ip_addr, void *private_data);
- void *release_ip_priv;
+ int timeout;
};
static uint32_t ctdbd_next_reqid(struct ctdbd_connection *conn)
return conn->reqid;
}
-static NTSTATUS ctdbd_control(struct ctdbd_connection *conn,
- uint32_t vnn, uint32_t opcode,
- uint64_t srvid, uint32_t flags, TDB_DATA data,
- TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
- int *cstatus);
+static int ctdbd_control(struct ctdbd_connection *conn,
+ uint32_t vnn, uint32_t opcode,
+ uint64_t srvid, uint32_t flags,
+ TDB_DATA data,
+ TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
+ int *cstatus);
/*
* exit on fatal communications errors with the ctdbd daemon
/*
* Register a srvid with ctdbd
*/
-NTSTATUS register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid)
+int register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid,
+ int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
+ uint64_t dst_srvid,
+ const uint8_t *msg, size_t msglen,
+ void *private_data),
+ void *private_data)
{
- int cstatus;
- return ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_REGISTER_SRVID, srvid, 0,
- tdb_null, NULL, NULL, &cstatus);
+ int ret, cstatus;
+ size_t num_callbacks;
+ struct ctdbd_srvid_cb *tmp;
+
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_REGISTER_SRVID, srvid, 0,
+ tdb_null, NULL, NULL, &cstatus);
+ if (ret != 0) {
+ return ret;
+ }
+
+ num_callbacks = talloc_array_length(conn->callbacks);
+
+ tmp = talloc_realloc(conn, conn->callbacks, struct ctdbd_srvid_cb,
+ num_callbacks + 1);
+ if (tmp == NULL) {
+ return ENOMEM;
+ }
+ conn->callbacks = tmp;
+
+ conn->callbacks[num_callbacks] = (struct ctdbd_srvid_cb) {
+ .srvid = srvid, .cb = cb, .private_data = private_data
+ };
+
+ return 0;
+}
+
+static int ctdbd_msg_call_back(struct ctdbd_connection *conn,
+ struct ctdb_req_message_old *msg)
+{
+ size_t msg_len;
+ size_t i, num_callbacks;
+
+ msg_len = msg->hdr.length;
+ if (msg_len < offsetof(struct ctdb_req_message_old, data)) {
+ DEBUG(10, ("%s: len %u too small\n", __func__,
+ (unsigned)msg_len));
+ return 0;
+ }
+ msg_len -= offsetof(struct ctdb_req_message_old, data);
+
+ if (msg_len < msg->datalen) {
+ DEBUG(10, ("%s: msg_len=%u < msg->datalen=%u\n", __func__,
+ (unsigned)msg_len, (unsigned)msg->datalen));
+ return 0;
+ }
+
+ num_callbacks = talloc_array_length(conn->callbacks);
+
+ for (i=0; i<num_callbacks; i++) {
+ struct ctdbd_srvid_cb *cb = &conn->callbacks[i];
+
+ if ((cb->srvid == msg->srvid) && (cb->cb != NULL)) {
+ int ret;
+
+ ret = cb->cb(msg->hdr.srcnode, msg->hdr.destnode,
+ msg->srvid, msg->data, msg->datalen,
+ cb->private_data);
+ if (ret != 0) {
+ return ret;
+ }
+ }
+ }
+ return 0;
}
/*
* get our vnn from the cluster
*/
-static NTSTATUS get_cluster_vnn(struct ctdbd_connection *conn, uint32_t *vnn)
+static int get_cluster_vnn(struct ctdbd_connection *conn, uint32_t *vnn)
{
int32_t cstatus=-1;
- NTSTATUS status;
- status = ctdbd_control(conn,
- CTDB_CURRENT_NODE, CTDB_CONTROL_GET_PNN, 0, 0,
- tdb_null, NULL, NULL, &cstatus);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("ctdbd_control failed: %s\n", nt_errstr(status)));
- return status;
+ int ret;
+ ret = ctdbd_control(conn,
+ CTDB_CURRENT_NODE, CTDB_CONTROL_GET_PNN, 0, 0,
+ tdb_null, NULL, NULL, &cstatus);
+ if (ret != 0) {
+ DEBUG(1, ("ctdbd_control failed: %s\n", strerror(ret)));
+ return ret;
}
*vnn = (uint32_t)cstatus;
- return status;
+ return ret;
}
/*
static bool ctdbd_working(struct ctdbd_connection *conn, uint32_t vnn)
{
int32_t cstatus=-1;
- NTSTATUS status;
TDB_DATA outdata;
- struct ctdb_node_map *m;
+ struct ctdb_node_map_old *m;
uint32_t failure_flags;
- bool ret = false;
- int i;
-
- status = ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_GET_NODEMAP, 0, 0,
- tdb_null, talloc_tos(), &outdata, &cstatus);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("ctdbd_control failed: %s\n", nt_errstr(status)));
+ bool ok = false;
+ int i, ret;
+
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_GET_NODEMAP, 0, 0,
+ tdb_null, talloc_tos(), &outdata, &cstatus);
+ if (ret != 0) {
+ DEBUG(1, ("ctdbd_control failed: %s\n", strerror(ret)));
return false;
}
if ((cstatus != 0) || (outdata.dptr == NULL)) {
return false;
}
- m = (struct ctdb_node_map *)outdata.dptr;
+ m = (struct ctdb_node_map_old *)outdata.dptr;
for (i=0; i<m->num; i++) {
if (vnn == m->nodes[i].pnn) {
goto fail;
}
- ret = true;
+ ok = true;
fail:
TALLOC_FREE(outdata.dptr);
- return ret;
+ return ok;
}
uint32_t ctdbd_vnn(const struct ctdbd_connection *conn)
return conn->our_vnn;
}
-const char *lp_ctdbd_socket(void)
-{
- const char *ret;
-
- ret = lp__ctdbd_socket();
- if (ret != NULL && strlen(ret) > 0) {
- return ret;
- }
-
- return CTDB_SOCKET;
-}
-
/*
* Get us a ctdb connection
*/
-static int ctdbd_connect(int *pfd)
+static int ctdbd_connect(const char *sockname, int *pfd)
{
- const char *sockname = lp_ctdbd_socket();
struct sockaddr_un addr = { 0, };
int fd;
socklen_t salen;
return 0;
}
-/*
- * State necessary to defer an incoming message while we are waiting for a
- * ctdb reply.
- */
-
-struct deferred_msg_state {
- struct messaging_context *msg_ctx;
- struct messaging_rec *rec;
-};
-
-/*
- * Timed event handler for the deferred message
- */
-
-static void deferred_message_dispatch(struct tevent_context *event_ctx,
- struct tevent_timer *te,
- struct timeval now,
- void *private_data)
+static int ctdb_read_packet(int fd, int timeout, TALLOC_CTX *mem_ctx,
+ struct ctdb_req_header **result)
{
- struct deferred_msg_state *state = talloc_get_type_abort(
- private_data, struct deferred_msg_state);
-
- messaging_dispatch_rec(state->msg_ctx, state->rec);
- TALLOC_FREE(state);
- TALLOC_FREE(te);
-}
-
-/*
- * Fetch a messaging_rec from an incoming ctdb style message
- */
-
-static struct messaging_rec *ctdb_pull_messaging_rec(TALLOC_CTX *mem_ctx,
- size_t overall_length,
- struct ctdb_req_message *msg)
-{
- struct messaging_rec *result;
- DATA_BLOB blob;
- enum ndr_err_code ndr_err;
-
- if ((overall_length < offsetof(struct ctdb_req_message, data))
- || (overall_length
- < offsetof(struct ctdb_req_message, data) + msg->datalen)) {
-
- cluster_fatal("got invalid msg length");
- }
-
- if (!(result = talloc(mem_ctx, struct messaging_rec))) {
- DEBUG(0, ("talloc failed\n"));
- return NULL;
- }
-
- blob = data_blob_const(msg->data, msg->datalen);
-
- ndr_err = ndr_pull_struct_blob(
- &blob, result, result,
- (ndr_pull_flags_fn_t)ndr_pull_messaging_rec);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(0, ("ndr_pull_struct_blob failed: %s\n",
- ndr_errstr(ndr_err)));
- TALLOC_FREE(result);
- return NULL;
- }
-
- if (DEBUGLEVEL >= 11) {
- DEBUG(11, ("ctdb_pull_messaging_rec:\n"));
- NDR_PRINT_DEBUG(messaging_rec, result);
- }
-
- return result;
-}
-
-static NTSTATUS ctdb_read_packet(int fd, TALLOC_CTX *mem_ctx,
- struct ctdb_req_header **result)
-{
- int timeout = lp_ctdb_timeout();
struct ctdb_req_header *req;
int ret, revents;
uint32_t msglen;
- NTSTATUS status;
-
- if (timeout == 0) {
- timeout = -1;
- }
+ ssize_t nread;
if (timeout != -1) {
- ret = poll_one_fd(fd, POLLIN, timeout, &revents);
+ ret = poll_intr_one_fd(fd, POLLIN, timeout, &revents);
if (ret == -1) {
- return map_nt_error_from_unix(errno);
+ return errno;
}
if (ret == 0) {
- return NT_STATUS_IO_TIMEOUT;
+ return ETIMEDOUT;
}
if (ret != 1) {
- return NT_STATUS_UNEXPECTED_IO_ERROR;
+ return EIO;
}
}
- status = read_data(fd, (char *)&msglen, sizeof(msglen));
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ nread = read_data(fd, &msglen, sizeof(msglen));
+ if (nread == -1) {
+ return errno;
+ }
+ if (nread == 0) {
+ return EIO;
}
if (msglen < sizeof(struct ctdb_req_header)) {
- return NT_STATUS_UNEXPECTED_IO_ERROR;
+ return EIO;
}
req = talloc_size(mem_ctx, msglen);
if (req == NULL) {
- return NT_STATUS_NO_MEMORY;
+ return ENOMEM;
}
talloc_set_name_const(req, "struct ctdb_req_header");
req->length = msglen;
- status = read_data(fd, ((char *)req) + sizeof(msglen),
- msglen - sizeof(msglen));
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ nread = read_data(fd, ((char *)req) + sizeof(msglen),
+ msglen - sizeof(msglen));
+ if (nread == -1) {
+ TALLOC_FREE(req);
+ return errno;
+ }
+ if (nread == 0) {
+ TALLOC_FREE(req);
+ return EIO;
}
*result = req;
- return NT_STATUS_OK;
+ return 0;
}
/*
* messages that might come in between.
*/
-static NTSTATUS ctdb_read_req(struct ctdbd_connection *conn, uint32_t reqid,
- TALLOC_CTX *mem_ctx,
- struct ctdb_req_header **result)
+static int ctdb_read_req(struct ctdbd_connection *conn, uint32_t reqid,
+ TALLOC_CTX *mem_ctx, struct ctdb_req_header **result)
{
struct ctdb_req_header *hdr;
- NTSTATUS status;
+ int ret;
next_pkt:
- status = ctdb_read_packet(conn->fd, mem_ctx, &hdr);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("ctdb_read_packet failed: %s\n", nt_errstr(status)));
+ ret = ctdb_read_packet(conn->fd, conn->timeout, mem_ctx, &hdr);
+ if (ret != 0) {
+ DEBUG(0, ("ctdb_read_packet failed: %s\n", strerror(ret)));
cluster_fatal("ctdbd died\n");
}
ctdb_packet_dump(hdr);
if (hdr->operation == CTDB_REQ_MESSAGE) {
- struct tevent_timer *evt;
- struct deferred_msg_state *msg_state;
- struct ctdb_req_message *msg = (struct ctdb_req_message *)hdr;
+ struct ctdb_req_message_old *msg = (struct ctdb_req_message_old *)hdr;
if (conn->msg_ctx == NULL) {
DEBUG(1, ("Got a message without having a msg ctx, "
"dropping msg %llu\n",
(long long unsigned)msg->srvid));
- goto next_pkt;
- }
-
- if ((conn->release_ip_handler != NULL)
- && (msg->srvid == CTDB_SRVID_RELEASE_IP)) {
- bool ret;
-
- /* must be dispatched immediately */
- DEBUG(10, ("received CTDB_SRVID_RELEASE_IP\n"));
- ret = conn->release_ip_handler((const char *)msg->data,
- conn->release_ip_priv);
TALLOC_FREE(hdr);
-
- if (ret) {
- /*
- * We need to release the ip,
- * so return an error to the upper layers.
- *
- * We make sure we don't trigger this again.
- */
- conn->release_ip_handler = NULL;
- conn->release_ip_priv = NULL;
- return NT_STATUS_ADDRESS_CLOSED;
- }
goto next_pkt;
}
- if ((msg->srvid == CTDB_SRVID_RECONFIGURE)
- || (msg->srvid == CTDB_SRVID_SAMBA_NOTIFY)) {
-
- DEBUG(1, ("ctdb_read_req: Got %s message\n",
- (msg->srvid == CTDB_SRVID_RECONFIGURE)
- ? "cluster reconfigure" : "SAMBA_NOTIFY"));
-
- messaging_send(conn->msg_ctx,
- messaging_server_id(conn->msg_ctx),
- MSG_SMB_BRL_VALIDATE, &data_blob_null);
- TALLOC_FREE(hdr);
- goto next_pkt;
- }
-
- msg_state = talloc(NULL, struct deferred_msg_state);
- if (msg_state == NULL) {
- DEBUG(0, ("talloc failed\n"));
+ ret = ctdbd_msg_call_back(conn, msg);
+ if (ret != 0) {
TALLOC_FREE(hdr);
- goto next_pkt;
- }
-
- if (!(msg_state->rec = ctdb_pull_messaging_rec(
- msg_state, msg->hdr.length, msg))) {
- DEBUG(0, ("ctdbd_pull_messaging_rec failed\n"));
- TALLOC_FREE(msg_state);
- TALLOC_FREE(hdr);
- goto next_pkt;
+ return ret;
}
TALLOC_FREE(hdr);
-
- msg_state->msg_ctx = conn->msg_ctx;
-
- /*
- * We're waiting for a call reply, but an async message has
- * crossed. Defer dispatching to the toplevel event loop.
- */
- evt = tevent_add_timer(messaging_tevent_context(conn->msg_ctx),
- messaging_tevent_context(conn->msg_ctx),
- timeval_zero(),
- deferred_message_dispatch,
- msg_state);
- if (evt == NULL) {
- DEBUG(0, ("event_add_timed failed\n"));
- TALLOC_FREE(msg_state);
- TALLOC_FREE(hdr);
- goto next_pkt;
- }
-
goto next_pkt;
}
*result = talloc_move(mem_ctx, &hdr);
- return NT_STATUS_OK;
+ return 0;
}
static int ctdbd_connection_destructor(struct ctdbd_connection *c)
{
- close(c->fd);
+ TALLOC_FREE(c->fde);
+ if (c->fd != -1) {
+ close(c->fd);
+ c->fd = -1;
+ }
return 0;
}
/*
* Get us a ctdbd connection
*/
-static NTSTATUS ctdbd_init_connection(TALLOC_CTX *mem_ctx,
- struct ctdbd_connection **pconn)
+static int ctdbd_init_connection(TALLOC_CTX *mem_ctx,
+ const char *sockname, int timeout,
+ struct ctdbd_connection **pconn)
{
struct ctdbd_connection *conn;
int ret;
- NTSTATUS status;
if (!(conn = talloc_zero(mem_ctx, struct ctdbd_connection))) {
DEBUG(0, ("talloc failed\n"));
- return NT_STATUS_NO_MEMORY;
+ return ENOMEM;
+ }
+
+ conn->sockname = talloc_strdup(conn, sockname);
+ if (conn->sockname == NULL) {
+ DBG_ERR("talloc failed\n");
+ ret = ENOMEM;
+ goto fail;
+ }
+
+ conn->timeout = timeout;
+
+ if (conn->timeout == 0) {
+ conn->timeout = -1;
}
- ret = ctdbd_connect(&conn->fd);
+ ret = ctdbd_connect(conn->sockname, &conn->fd);
if (ret != 0) {
- status = map_nt_error_from_unix(errno);
- DEBUG(10, ("ctdbd_connect failed: %s\n", strerror(errno)));
+ DEBUG(1, ("ctdbd_connect failed: %s\n", strerror(ret)));
goto fail;
}
talloc_set_destructor(conn, ctdbd_connection_destructor);
- status = get_cluster_vnn(conn, &conn->our_vnn);
+ ret = get_cluster_vnn(conn, &conn->our_vnn);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("get_cluster_vnn failed: %s\n", nt_errstr(status)));
+ if (ret != 0) {
+ DEBUG(10, ("get_cluster_vnn failed: %s\n", strerror(ret)));
goto fail;
}
if (!ctdbd_working(conn, conn->our_vnn)) {
DEBUG(2, ("Node is not working, can not connect\n"));
- status = NT_STATUS_INTERNAL_DB_ERROR;
+ ret = EIO;
goto fail;
}
generate_random_buffer((unsigned char *)&conn->rand_srvid,
sizeof(conn->rand_srvid));
- status = register_with_ctdbd(conn, conn->rand_srvid);
+ ret = register_with_ctdbd(conn, conn->rand_srvid, NULL, NULL);
- if (!NT_STATUS_IS_OK(status)) {
+ if (ret != 0) {
DEBUG(5, ("Could not register random srvid: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
goto fail;
}
*pconn = conn;
- return NT_STATUS_OK;
+ return 0;
fail:
TALLOC_FREE(conn);
- return status;
+ return ret;
}
/*
* Get us a ctdbd connection and register us as a process
*/
-NTSTATUS ctdbd_messaging_connection(TALLOC_CTX *mem_ctx,
- struct ctdbd_connection **pconn)
+int ctdbd_messaging_connection(TALLOC_CTX *mem_ctx,
+ const char *sockname, int timeout,
+ struct ctdbd_connection **pconn)
{
struct ctdbd_connection *conn;
- NTSTATUS status;
-
- status = ctdbd_init_connection(mem_ctx, &conn);
-
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ int ret;
- status = register_with_ctdbd(conn, (uint64_t)getpid());
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
+ ret = ctdbd_init_connection(mem_ctx, sockname, timeout, &conn);
- status = register_with_ctdbd(conn, MSG_SRVID_SAMBA);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
+ if (ret != 0) {
+ return ret;
}
- status = register_with_ctdbd(conn, CTDB_SRVID_SAMBA_NOTIFY);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = register_with_ctdbd(conn, MSG_SRVID_SAMBA, NULL, NULL);
+ if (ret != 0) {
goto fail;
}
*pconn = conn;
- return NT_STATUS_OK;
+ return 0;
fail:
TALLOC_FREE(conn);
- return status;
+ return ret;
}
struct messaging_context *ctdb_conn_msg_ctx(struct ctdbd_connection *conn)
/*
* Packet handler to receive and handle a ctdb message
*/
-static NTSTATUS ctdb_handle_message(struct messaging_context *msg_ctx,
- struct ctdbd_connection *conn,
- struct ctdb_req_header *hdr)
+static int ctdb_handle_message(struct ctdbd_connection *conn,
+ struct ctdb_req_header *hdr)
{
- struct ctdb_req_message *msg;
- struct messaging_rec *msg_rec;
+ struct ctdb_req_message_old *msg;
if (hdr->operation != CTDB_REQ_MESSAGE) {
DEBUG(0, ("Received async msg of type %u, discarding\n",
hdr->operation));
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- msg = (struct ctdb_req_message *)hdr;
-
- if ((conn->release_ip_handler != NULL)
- && (msg->srvid == CTDB_SRVID_RELEASE_IP)) {
- bool ret;
-
- /* must be dispatched immediately */
- DEBUG(10, ("received CTDB_SRVID_RELEASE_IP\n"));
- ret = conn->release_ip_handler((const char *)msg->data,
- conn->release_ip_priv);
- if (ret) {
- /*
- * We need to release the ip.
- *
- * We make sure we don't trigger this again.
- */
- conn->release_ip_handler = NULL;
- conn->release_ip_priv = NULL;
- }
- return NT_STATUS_OK;
+ return EINVAL;
}
- SMB_ASSERT(conn->msg_ctx != NULL);
+ msg = (struct ctdb_req_message_old *)hdr;
- if ((msg->srvid == CTDB_SRVID_RECONFIGURE)
- || (msg->srvid == CTDB_SRVID_SAMBA_NOTIFY)){
- DEBUG(0,("Got cluster reconfigure message\n"));
- /*
- * when the cluster is reconfigured or someone of the
- * family has passed away (SAMBA_NOTIFY), we need to
- * clean the brl database
- */
- messaging_send(conn->msg_ctx,
- messaging_server_id(conn->msg_ctx),
- MSG_SMB_BRL_VALIDATE, &data_blob_null);
-
- return NT_STATUS_OK;
- }
-
- /* only messages to our pid or the broadcast are valid here */
- if (msg->srvid != getpid() && msg->srvid != MSG_SRVID_SAMBA) {
- DEBUG(0,("Got unexpected message with srvid=%llu\n",
- (unsigned long long)msg->srvid));
- return NT_STATUS_OK;
- }
+ ctdbd_msg_call_back(conn, msg);
- msg_rec = ctdb_pull_messaging_rec(talloc_tos(), msg->hdr.length, msg);
- if (msg_rec == NULL) {
- DEBUG(10, ("ctdb_pull_messaging_rec failed\n"));
- return NT_STATUS_NO_MEMORY;
- }
- messaging_dispatch_rec(conn->msg_ctx, msg_rec);
- return NT_STATUS_OK;
+ return 0;
}
/*
static void ctdbd_socket_handler(struct tevent_context *event_ctx,
struct tevent_fd *event,
- uint16 flags,
+ uint16_t flags,
void *private_data)
{
struct ctdbd_connection *conn = talloc_get_type_abort(
private_data, struct ctdbd_connection);
- struct ctdb_req_header *hdr;
- NTSTATUS status;
+ struct ctdb_req_header *hdr = NULL;
+ int ret;
- status = ctdb_read_packet(conn->fd, talloc_tos(), &hdr);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("ctdb_read_packet failed: %s\n", nt_errstr(status)));
+ ret = ctdb_read_packet(conn->fd, conn->timeout, talloc_tos(), &hdr);
+ if (ret != 0) {
+ DEBUG(0, ("ctdb_read_packet failed: %s\n", strerror(ret)));
cluster_fatal("ctdbd died\n");
}
- status = ctdb_handle_message(conn->msg_ctx, conn, hdr);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = ctdb_handle_message(conn, hdr);
+
+ TALLOC_FREE(hdr);
+
+ if (ret != 0) {
DEBUG(10, ("could not handle incoming message: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
}
}
* Prepare a ctdbd connection to receive messages
*/
-NTSTATUS ctdbd_register_msg_ctx(struct ctdbd_connection *conn,
- struct messaging_context *msg_ctx)
+int ctdbd_register_msg_ctx(struct ctdbd_connection *conn,
+ struct messaging_context *msg_ctx,
+ struct tevent_context *ev)
{
SMB_ASSERT(conn->msg_ctx == NULL);
SMB_ASSERT(conn->fde == NULL);
- if (!(conn->fde = tevent_add_fd(messaging_tevent_context(msg_ctx),
- conn,
- conn->fd,
- TEVENT_FD_READ,
- ctdbd_socket_handler,
- conn))) {
+ conn->fde = tevent_add_fd(ev, conn, conn->fd, TEVENT_FD_READ,
+ ctdbd_socket_handler, conn);
+ if (conn->fde == NULL) {
DEBUG(0, ("event_add_fd failed\n"));
- return NT_STATUS_NO_MEMORY;
+ return ENOMEM;
}
conn->msg_ctx = msg_ctx;
- return NT_STATUS_OK;
-}
-
-/*
- * Send a messaging message across a ctdbd
- */
-
-NTSTATUS ctdbd_messaging_send(struct ctdbd_connection *conn,
- uint32_t dst_vnn, uint64_t dst_srvid,
- struct messaging_rec *msg)
-{
- DATA_BLOB blob;
- NTSTATUS status;
- enum ndr_err_code ndr_err;
-
- ndr_err = ndr_push_struct_blob(
- &blob, talloc_tos(), msg,
- (ndr_push_flags_fn_t)ndr_push_messaging_rec);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(0, ("ndr_push_struct_blob failed: %s\n",
- ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);
- }
-
- status = ctdbd_messaging_send_blob(conn, dst_vnn, dst_srvid,
- blob.data, blob.length);
- TALLOC_FREE(blob.data);
- return status;
+ return 0;
}
-NTSTATUS ctdbd_messaging_send_blob(struct ctdbd_connection *conn,
- uint32_t dst_vnn, uint64_t dst_srvid,
- const uint8_t *buf, size_t buflen)
+int ctdbd_messaging_send_iov(struct ctdbd_connection *conn,
+ uint32_t dst_vnn, uint64_t dst_srvid,
+ const struct iovec *iov, int iovlen)
{
- struct ctdb_req_message r;
- struct iovec iov[2];
+ struct ctdb_req_message_old r;
+ struct iovec iov2[iovlen+1];
+ size_t buflen = iov_buflen(iov, iovlen);
ssize_t nwritten;
- r.hdr.length = offsetof(struct ctdb_req_message, data) + buflen;
+ r.hdr.length = offsetof(struct ctdb_req_message_old, data) + buflen;
r.hdr.ctdb_magic = CTDB_MAGIC;
- r.hdr.ctdb_version = CTDB_VERSION;
+ r.hdr.ctdb_version = CTDB_PROTOCOL;
r.hdr.generation = 1;
r.hdr.operation = CTDB_REQ_MESSAGE;
r.hdr.destnode = dst_vnn;
DEBUG(10, ("ctdbd_messaging_send: Sending ctdb packet\n"));
ctdb_packet_dump(&r.hdr);
- iov[0].iov_base = &r;
- iov[0].iov_len = offsetof(struct ctdb_req_message, data);
- iov[1].iov_base = discard_const_p(uint8_t, buf);
- iov[1].iov_len = buflen;
+ iov2[0].iov_base = &r;
+ iov2[0].iov_len = offsetof(struct ctdb_req_message_old, data);
+ memcpy(&iov2[1], iov, iovlen * sizeof(struct iovec));
- nwritten = write_data_iov(conn->fd, iov, ARRAY_SIZE(iov));
+ nwritten = write_data_iov(conn->fd, iov2, iovlen+1);
if (nwritten == -1) {
DEBUG(3, ("write_data_iov failed: %s\n", strerror(errno)));
cluster_fatal("cluster dispatch daemon msg write error\n");
}
- return NT_STATUS_OK;
+ return 0;
}
/*
* send/recv a generic ctdb control message
*/
-static NTSTATUS ctdbd_control(struct ctdbd_connection *conn,
- uint32_t vnn, uint32_t opcode,
- uint64_t srvid, uint32_t flags,
- TDB_DATA data,
- TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
- int *cstatus)
+static int ctdbd_control(struct ctdbd_connection *conn,
+ uint32_t vnn, uint32_t opcode,
+ uint64_t srvid, uint32_t flags,
+ TDB_DATA data,
+ TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
+ int *cstatus)
{
- struct ctdb_req_control req;
+ struct ctdb_req_control_old req;
struct ctdb_req_header *hdr;
- struct ctdb_reply_control *reply = NULL;
- struct ctdbd_connection *new_conn = NULL;
+ struct ctdb_reply_control_old *reply = NULL;
struct iovec iov[2];
ssize_t nwritten;
- NTSTATUS status;
-
- if (conn == NULL) {
- status = ctdbd_init_connection(NULL, &new_conn);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("Could not init temp connection: %s\n",
- nt_errstr(status)));
- goto fail;
- }
-
- conn = new_conn;
- }
+ int ret;
ZERO_STRUCT(req);
- req.hdr.length = offsetof(struct ctdb_req_control, data) + data.dsize;
+ req.hdr.length = offsetof(struct ctdb_req_control_old, data) + data.dsize;
req.hdr.ctdb_magic = CTDB_MAGIC;
- req.hdr.ctdb_version = CTDB_VERSION;
+ req.hdr.ctdb_version = CTDB_PROTOCOL;
req.hdr.operation = CTDB_REQ_CONTROL;
req.hdr.reqid = ctdbd_next_reqid(conn);
req.hdr.destnode = vnn;
ctdb_packet_dump(&req.hdr);
iov[0].iov_base = &req;
- iov[0].iov_len = offsetof(struct ctdb_req_control, data);
+ iov[0].iov_len = offsetof(struct ctdb_req_control_old, data);
iov[1].iov_base = data.dptr;
iov[1].iov_len = data.dsize;
}
if (flags & CTDB_CTRL_FLAG_NOREPLY) {
- TALLOC_FREE(new_conn);
if (cstatus) {
*cstatus = 0;
}
- return NT_STATUS_OK;
+ return 0;
}
- status = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("ctdb_read_req failed: %s\n", nt_errstr(status)));
- goto fail;
+ ret = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
+ if (ret != 0) {
+ DEBUG(10, ("ctdb_read_req failed: %s\n", strerror(ret)));
+ return ret;
}
if (hdr->operation != CTDB_REPLY_CONTROL) {
DEBUG(0, ("received invalid reply\n"));
- goto fail;
+ TALLOC_FREE(hdr);
+ return EIO;
}
- reply = (struct ctdb_reply_control *)hdr;
+ reply = (struct ctdb_reply_control_old *)hdr;
if (outdata) {
- if (!(outdata->dptr = (uint8 *)talloc_memdup(
+ if (!(outdata->dptr = (uint8_t *)talloc_memdup(
mem_ctx, reply->data, reply->datalen))) {
TALLOC_FREE(reply);
- return NT_STATUS_NO_MEMORY;
+ return ENOMEM;
}
outdata->dsize = reply->datalen;
}
(*cstatus) = reply->status;
}
- status = NT_STATUS_OK;
-
- fail:
- TALLOC_FREE(new_conn);
TALLOC_FREE(reply);
- return status;
+ return ret;
}
/*
{
TALLOC_CTX *frame = talloc_stackframe();
int i, num_received;
- NTSTATUS status;
uint32_t *reqids;
bool result = false;
}
for (i=0; i<num_pids; i++) {
- struct ctdb_req_control req;
+ struct ctdb_req_control_old req;
pid_t pid;
struct iovec iov[2];
ssize_t nwritten;
(int)pids[i].vnn, (int)pid,
(int)reqids[i]));
- req.hdr.length = offsetof(struct ctdb_req_control, data);
+ req.hdr.length = offsetof(struct ctdb_req_control_old, data);
req.hdr.length += sizeof(pid);
req.hdr.ctdb_magic = CTDB_MAGIC;
- req.hdr.ctdb_version = CTDB_VERSION;
+ req.hdr.ctdb_version = CTDB_PROTOCOL;
req.hdr.operation = CTDB_REQ_CONTROL;
req.hdr.reqid = reqids[i];
req.hdr.destnode = pids[i].vnn;
ctdb_packet_dump(&req.hdr);
iov[0].iov_base = &req;
- iov[0].iov_len = offsetof(struct ctdb_req_control, data);
+ iov[0].iov_len = offsetof(struct ctdb_req_control_old, data);
iov[1].iov_base = &pid;
iov[1].iov_len = sizeof(pid);
nwritten = write_data_iov(conn->fd, iov, ARRAY_SIZE(iov));
if (nwritten == -1) {
- status = map_nt_error_from_unix(errno);
DEBUG(10, ("write_data_iov failed: %s\n",
strerror(errno)));
goto fail;
while (num_received < num_pids) {
struct ctdb_req_header *hdr;
- struct ctdb_reply_control *reply;
+ struct ctdb_reply_control_old *reply;
uint32_t reqid;
+ int ret;
- status = ctdb_read_req(conn, 0, talloc_tos(), &hdr);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = ctdb_read_req(conn, 0, talloc_tos(), &hdr);
+ if (ret != 0) {
DEBUG(10, ("ctdb_read_req failed: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
goto fail;
}
DEBUG(10, ("Received invalid reply\n"));
goto fail;
}
- reply = (struct ctdb_reply_control *)hdr;
+ reply = (struct ctdb_reply_control_old *)hdr;
reqid = reply->hdr.reqid;
return result;
}
-struct ctdb_vnn_list {
- uint32_t vnn;
- uint32_t reqid;
- unsigned num_srvids;
- unsigned num_filled;
- uint64_t *srvids;
- unsigned *pid_indexes;
-};
-
-/*
- * Get a list of all vnns mentioned in a list of
- * server_ids. vnn_indexes tells where in the vnns array we have to
- * place the pids.
- */
-static bool ctdb_collect_vnns(TALLOC_CTX *mem_ctx,
- const struct server_id *pids, unsigned num_pids,
- struct ctdb_vnn_list **pvnns,
- unsigned *pnum_vnns)
-{
- struct ctdb_vnn_list *vnns = NULL;
- unsigned *vnn_indexes = NULL;
- unsigned i, num_vnns = 0;
-
- vnn_indexes = talloc_array(mem_ctx, unsigned, num_pids);
- if (vnn_indexes == NULL) {
- DEBUG(1, ("talloc_array failed\n"));
- goto fail;
- }
-
- for (i=0; i<num_pids; i++) {
- unsigned j;
- uint32_t vnn = pids[i].vnn;
-
- for (j=0; j<num_vnns; j++) {
- if (vnn == vnns[j].vnn) {
- break;
- }
- }
- vnn_indexes[i] = j;
-
- if (j < num_vnns) {
- /*
- * Already in the array
- */
- vnns[j].num_srvids += 1;
- continue;
- }
- vnns = talloc_realloc(mem_ctx, vnns, struct ctdb_vnn_list,
- num_vnns+1);
- if (vnns == NULL) {
- DEBUG(1, ("talloc_realloc failed\n"));
- goto fail;
- }
- vnns[num_vnns].vnn = vnn;
- vnns[num_vnns].num_srvids = 1;
- vnns[num_vnns].num_filled = 0;
- num_vnns += 1;
- }
- for (i=0; i<num_vnns; i++) {
- struct ctdb_vnn_list *vnn = &vnns[i];
-
- vnn->srvids = talloc_array(vnns, uint64_t, vnn->num_srvids);
- if (vnn->srvids == NULL) {
- DEBUG(1, ("talloc_array failed\n"));
- goto fail;
- }
- vnn->pid_indexes = talloc_array(vnns, unsigned,
- vnn->num_srvids);
- if (vnn->pid_indexes == NULL) {
- DEBUG(1, ("talloc_array failed\n"));
- goto fail;
- }
- }
- for (i=0; i<num_pids; i++) {
- struct ctdb_vnn_list *vnn = &vnns[vnn_indexes[i]];
- vnn->srvids[vnn->num_filled] = pids[i].unique_id;
- vnn->pid_indexes[vnn->num_filled] = i;
- vnn->num_filled += 1;
- }
-
- TALLOC_FREE(vnn_indexes);
- *pvnns = vnns;
- *pnum_vnns = num_vnns;
- return true;
-fail:
- TALLOC_FREE(vnns);
- TALLOC_FREE(vnn_indexes);
- return false;
-}
-
-bool ctdb_serverids_exist_supported(struct ctdbd_connection *conn)
-{
- return true;
-}
-
-bool ctdb_serverids_exist(struct ctdbd_connection *conn,
- const struct server_id *pids, unsigned num_pids,
- bool *results)
-{
- unsigned i, num_received;
- NTSTATUS status;
- struct ctdb_vnn_list *vnns = NULL;
- unsigned num_vnns;
-
- if (!ctdb_collect_vnns(talloc_tos(), pids, num_pids,
- &vnns, &num_vnns)) {
- DEBUG(1, ("ctdb_collect_vnns failed\n"));
- goto fail;
- }
-
- for (i=0; i<num_vnns; i++) {
- struct ctdb_vnn_list *vnn = &vnns[i];
- struct ctdb_req_control req;
- struct iovec iov[2];
- ssize_t nwritten;
-
- vnn->reqid = ctdbd_next_reqid(conn);
-
- ZERO_STRUCT(req);
-
- DEBUG(10, ("Requesting VNN %d, reqid=%d, num_srvids=%u\n",
- (int)vnn->vnn, (int)vnn->reqid, vnn->num_srvids));
-
- req.hdr.length = offsetof(struct ctdb_req_control, data);
- req.hdr.ctdb_magic = CTDB_MAGIC;
- req.hdr.ctdb_version = CTDB_VERSION;
- req.hdr.operation = CTDB_REQ_CONTROL;
- req.hdr.reqid = vnn->reqid;
- req.hdr.destnode = vnn->vnn;
- req.opcode = CTDB_CONTROL_CHECK_SRVIDS;
- req.srvid = 0;
- req.datalen = sizeof(uint64_t) * vnn->num_srvids;
- req.hdr.length += req.datalen;
- req.flags = 0;
-
- DEBUG(10, ("ctdbd_control: Sending ctdb packet\n"));
- ctdb_packet_dump(&req.hdr);
-
- iov[0].iov_base = &req;
- iov[0].iov_len = offsetof(struct ctdb_req_control, data);
- iov[1].iov_base = vnn->srvids;
- iov[1].iov_len = req.datalen;
-
- nwritten = write_data_iov(conn->fd, iov, ARRAY_SIZE(iov));
- if (nwritten == -1) {
- status = map_nt_error_from_unix(errno);
- DEBUG(10, ("write_data_iov failed: %s\n",
- strerror(errno)));
- goto fail;
- }
- }
-
- num_received = 0;
-
- while (num_received < num_vnns) {
- struct ctdb_req_header *hdr;
- struct ctdb_reply_control *reply;
- struct ctdb_vnn_list *vnn;
- uint32_t reqid;
- uint8_t *reply_data;
-
- status = ctdb_read_req(conn, 0, talloc_tos(), &hdr);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("ctdb_read_req failed: %s\n",
- nt_errstr(status)));
- goto fail;
- }
-
- if (hdr->operation != CTDB_REPLY_CONTROL) {
- DEBUG(1, ("Received invalid reply %u\n",
- (unsigned)reply->hdr.operation));
- goto fail;
- }
- reply = (struct ctdb_reply_control *)hdr;
-
- reqid = reply->hdr.reqid;
-
- DEBUG(10, ("Received reqid %d\n", (int)reqid));
-
- for (i=0; i<num_vnns; i++) {
- if (reqid == vnns[i].reqid) {
- break;
- }
- }
- if (i == num_vnns) {
- DEBUG(1, ("Received unknown reqid number %u\n",
- (unsigned)reqid));
- goto fail;
- }
-
- DEBUG(10, ("Found index %u\n", i));
-
- vnn = &vnns[i];
-
- DEBUG(10, ("Received vnn %u, vnn->num_srvids %u, datalen %u\n",
- (unsigned)vnn->vnn, vnn->num_srvids,
- (unsigned)reply->datalen));
-
- if (reply->datalen >= ((vnn->num_srvids+7)/8)) {
- /*
- * Got a real reply
- */
- reply_data = reply->data;
- } else {
- /*
- * Got an error reply
- */
- DEBUG(5, ("Received short reply len %d, status %u, "
- "errorlen %u\n",
- (unsigned)reply->datalen,
- (unsigned)reply->status,
- (unsigned)reply->errorlen));
- dump_data(5, reply->data, reply->errorlen);
-
- /*
- * This will trigger everything set to false
- */
- reply_data = NULL;
- }
-
- for (i=0; i<vnn->num_srvids; i++) {
- int idx = vnn->pid_indexes[i];
-
- if (pids[i].unique_id ==
- SERVERID_UNIQUE_ID_NOT_TO_VERIFY) {
- results[idx] = true;
- continue;
- }
- results[idx] =
- (reply_data != NULL) &&
- ((reply_data[i/8] & (1<<(i%8))) != 0);
- }
-
- TALLOC_FREE(reply);
- num_received += 1;
- }
-
- TALLOC_FREE(vnns);
- return true;
-fail:
- cluster_fatal("serverids_exist failed");
- return false;
-}
-
/*
* Get a db path
*/
char *ctdbd_dbpath(struct ctdbd_connection *conn,
TALLOC_CTX *mem_ctx, uint32_t db_id)
{
- NTSTATUS status;
+ int ret;
TDB_DATA data;
- int32_t cstatus;
+ TDB_DATA rdata = {0};
+ int32_t cstatus = 0;
data.dptr = (uint8_t*)&db_id;
data.dsize = sizeof(db_id);
- status = ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_GETDBPATH, 0, 0, data,
- mem_ctx, &data, &cstatus);
- if (!NT_STATUS_IS_OK(status) || cstatus != 0) {
- DEBUG(0,(__location__ " ctdb_control for getdbpath failed\n"));
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_GETDBPATH, 0, 0, data,
+ mem_ctx, &rdata, &cstatus);
+ if ((ret != 0) || cstatus != 0) {
+ DEBUG(0, (__location__ " ctdb_control for getdbpath failed: %s\n",
+ strerror(ret)));
return NULL;
}
- return (char *)data.dptr;
+ return (char *)rdata.dptr;
}
/*
* attach to a ctdb database
*/
-NTSTATUS ctdbd_db_attach(struct ctdbd_connection *conn,
- const char *name, uint32_t *db_id, int tdb_flags)
+int ctdbd_db_attach(struct ctdbd_connection *conn,
+ const char *name, uint32_t *db_id, int tdb_flags)
{
- NTSTATUS status;
+ int ret;
TDB_DATA data;
int32_t cstatus;
bool persistent = (tdb_flags & TDB_CLEAR_IF_FIRST) == 0;
data = string_term_tdb_data(name);
- status = ctdbd_control(conn, CTDB_CURRENT_NODE,
- persistent
- ? CTDB_CONTROL_DB_ATTACH_PERSISTENT
- : CTDB_CONTROL_DB_ATTACH,
- tdb_flags, 0, data, NULL, &data, &cstatus);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ persistent
+ ? CTDB_CONTROL_DB_ATTACH_PERSISTENT
+ : CTDB_CONTROL_DB_ATTACH,
+ tdb_flags, 0, data, NULL, &data, &cstatus);
+ if (ret != 0) {
DEBUG(0, (__location__ " ctdb_control for db_attach "
- "failed: %s\n", nt_errstr(status)));
- return status;
+ "failed: %s\n", strerror(ret)));
+ return ret;
}
if (cstatus != 0 || data.dsize != sizeof(uint32_t)) {
DEBUG(0,(__location__ " ctdb_control for db_attach failed\n"));
- return NT_STATUS_INTERNAL_ERROR;
+ return EIO;
}
*db_id = *(uint32_t *)data.dptr;
talloc_free(data.dptr);
if (!(tdb_flags & TDB_SEQNUM)) {
- return NT_STATUS_OK;
+ return 0;
}
data.dptr = (uint8_t *)db_id;
data.dsize = sizeof(*db_id);
- status = ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_ENABLE_SEQNUM, 0, 0, data,
- NULL, NULL, &cstatus);
- if (!NT_STATUS_IS_OK(status) || cstatus != 0) {
- DEBUG(0,(__location__ " ctdb_control for enable seqnum "
- "failed\n"));
- return NT_STATUS_IS_OK(status) ? NT_STATUS_INTERNAL_ERROR :
- status;
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_ENABLE_SEQNUM, 0, 0, data,
+ NULL, NULL, &cstatus);
+ if ((ret != 0) || cstatus != 0) {
+ DEBUG(0, (__location__ " ctdb_control for enable seqnum "
+ "failed: %s\n", strerror(ret)));
+ return (ret == 0) ? EIO : ret;
}
- return NT_STATUS_OK;
+ return 0;
}
/*
* force the migration of a record to this node
*/
-NTSTATUS ctdbd_migrate(struct ctdbd_connection *conn, uint32_t db_id,
- TDB_DATA key)
+int ctdbd_migrate(struct ctdbd_connection *conn, uint32_t db_id, TDB_DATA key)
{
- struct ctdb_req_call req;
+ struct ctdb_req_call_old req;
struct ctdb_req_header *hdr;
struct iovec iov[2];
ssize_t nwritten;
- NTSTATUS status;
+ int ret;
ZERO_STRUCT(req);
- req.hdr.length = offsetof(struct ctdb_req_call, data) + key.dsize;
+ req.hdr.length = offsetof(struct ctdb_req_call_old, data) + key.dsize;
req.hdr.ctdb_magic = CTDB_MAGIC;
- req.hdr.ctdb_version = CTDB_VERSION;
+ req.hdr.ctdb_version = CTDB_PROTOCOL;
req.hdr.operation = CTDB_REQ_CALL;
req.hdr.reqid = ctdbd_next_reqid(conn);
req.flags = CTDB_IMMEDIATE_MIGRATION;
ctdb_packet_dump(&req.hdr);
iov[0].iov_base = &req;
- iov[0].iov_len = offsetof(struct ctdb_req_call, data);
+ iov[0].iov_len = offsetof(struct ctdb_req_call_old, data);
iov[1].iov_base = key.dptr;
iov[1].iov_len = key.dsize;
cluster_fatal("cluster dispatch daemon msg write error\n");
}
- status = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("ctdb_read_req failed: %s\n", nt_errstr(status)));
+ ret = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
+ if (ret != 0) {
+ DEBUG(10, ("ctdb_read_req failed: %s\n", strerror(ret)));
goto fail;
}
if (hdr->operation != CTDB_REPLY_CALL) {
DEBUG(0, ("received invalid reply\n"));
- status = NT_STATUS_INTERNAL_ERROR;
goto fail;
}
- status = NT_STATUS_OK;
fail:
TALLOC_FREE(hdr);
- return status;
+ return ret;
}
/*
* Fetch a record and parse it
*/
-NTSTATUS ctdbd_parse(struct ctdbd_connection *conn, uint32_t db_id,
- TDB_DATA key, bool local_copy,
- void (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data)
+int ctdbd_parse(struct ctdbd_connection *conn, uint32_t db_id,
+ TDB_DATA key, bool local_copy,
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data)
{
- struct ctdb_req_call req;
+ struct ctdb_req_call_old req;
struct ctdb_req_header *hdr = NULL;
- struct ctdb_reply_call *reply;
+ struct ctdb_reply_call_old *reply;
struct iovec iov[2];
ssize_t nwritten;
- NTSTATUS status;
uint32_t flags;
+ int ret;
flags = local_copy ? CTDB_WANT_READONLY : 0;
ZERO_STRUCT(req);
- req.hdr.length = offsetof(struct ctdb_req_call, data) + key.dsize;
+ req.hdr.length = offsetof(struct ctdb_req_call_old, data) + key.dsize;
req.hdr.ctdb_magic = CTDB_MAGIC;
- req.hdr.ctdb_version = CTDB_VERSION;
+ req.hdr.ctdb_version = CTDB_PROTOCOL;
req.hdr.operation = CTDB_REQ_CALL;
req.hdr.reqid = ctdbd_next_reqid(conn);
req.flags = flags;
req.keylen = key.dsize;
iov[0].iov_base = &req;
- iov[0].iov_len = offsetof(struct ctdb_req_call, data);
+ iov[0].iov_len = offsetof(struct ctdb_req_call_old, data);
iov[1].iov_base = key.dptr;
iov[1].iov_len = key.dsize;
cluster_fatal("cluster dispatch daemon msg write error\n");
}
- status = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("ctdb_read_req failed: %s\n", nt_errstr(status)));
+ ret = ctdb_read_req(conn, req.hdr.reqid, NULL, &hdr);
+ if (ret != 0) {
+ DEBUG(10, ("ctdb_read_req failed: %s\n", strerror(ret)));
goto fail;
}
- if (hdr->operation != CTDB_REPLY_CALL) {
+ if ((hdr == NULL) || (hdr->operation != CTDB_REPLY_CALL)) {
DEBUG(0, ("received invalid reply\n"));
- status = NT_STATUS_INTERNAL_ERROR;
+ ret = EIO;
goto fail;
}
- reply = (struct ctdb_reply_call *)hdr;
+ reply = (struct ctdb_reply_call_old *)hdr;
if (reply->datalen == 0) {
/*
* Treat an empty record as non-existing
*/
- status = NT_STATUS_NOT_FOUND;
+ ret = ENOENT;
goto fail;
}
parser(key, make_tdb_data(&reply->data[0], reply->datalen),
private_data);
- status = NT_STATUS_OK;
+ ret = 0;
fail:
TALLOC_FREE(hdr);
- return status;
+ return ret;
}
/*
everything in-line.
*/
-NTSTATUS ctdbd_traverse(uint32_t db_id,
+int ctdbd_traverse(struct ctdbd_connection *master, uint32_t db_id,
void (*fn)(TDB_DATA key, TDB_DATA data,
void *private_data),
void *private_data)
{
struct ctdbd_connection *conn;
- NTSTATUS status;
-
+ int ret;
TDB_DATA key, data;
struct ctdb_traverse_start t;
int cstatus;
become_root();
- status = ctdbd_init_connection(NULL, &conn);
+ ret = ctdbd_init_connection(NULL, master->sockname, master->timeout,
+ &conn);
unbecome_root();
- if (!NT_STATUS_IS_OK(status)) {
+ if (ret != 0) {
DEBUG(0, ("ctdbd_init_connection failed: %s\n",
- nt_errstr(status)));
- return status;
+ strerror(ret)));
+ return ret;
}
t.db_id = db_id;
data.dptr = (uint8_t *)&t;
data.dsize = sizeof(t);
- status = ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_TRAVERSE_START, conn->rand_srvid, 0,
- data, NULL, NULL, &cstatus);
-
- if (!NT_STATUS_IS_OK(status) || (cstatus != 0)) {
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_TRAVERSE_START, conn->rand_srvid,
+ 0, data, NULL, NULL, &cstatus);
- DEBUG(0,("ctdbd_control failed: %s, %d\n", nt_errstr(status),
+ if ((ret != 0) || (cstatus != 0)) {
+ DEBUG(0,("ctdbd_control failed: %s, %d\n", strerror(ret),
cstatus));
- if (NT_STATUS_IS_OK(status)) {
+ if (ret == 0) {
/*
* We need a mapping here
*/
- status = NT_STATUS_UNSUCCESSFUL;
+ ret = EIO;
}
TALLOC_FREE(conn);
- return status;
+ return ret;
}
while (True) {
- struct ctdb_req_header *hdr;
- struct ctdb_req_message *m;
- struct ctdb_rec_data *d;
+ struct ctdb_req_header *hdr = NULL;
+ struct ctdb_req_message_old *m;
+ struct ctdb_rec_data_old *d;
- status = ctdb_read_packet(conn->fd, conn, &hdr);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = ctdb_read_packet(conn->fd, conn->timeout, conn, &hdr);
+ if (ret != 0) {
DEBUG(0, ("ctdb_read_packet failed: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
cluster_fatal("ctdbd died\n");
}
DEBUG(0, ("Got operation %u, expected a message\n",
(unsigned)hdr->operation));
TALLOC_FREE(conn);
- return NT_STATUS_UNEXPECTED_IO_ERROR;
+ return EIO;
}
- m = (struct ctdb_req_message *)hdr;
- d = (struct ctdb_rec_data *)&m->data[0];
+ m = (struct ctdb_req_message_old *)hdr;
+ d = (struct ctdb_rec_data_old *)&m->data[0];
if (m->datalen < sizeof(uint32_t) || m->datalen != d->length) {
DEBUG(0, ("Got invalid traverse data of length %d\n",
(int)m->datalen));
TALLOC_FREE(conn);
- return NT_STATUS_UNEXPECTED_IO_ERROR;
+ return EIO;
}
key.dsize = d->keylen;
if (key.dsize == 0 && data.dsize == 0) {
/* end of traverse */
TALLOC_FREE(conn);
- return NT_STATUS_OK;
+ return 0;
}
if (data.dsize < sizeof(struct ctdb_ltdb_header)) {
DEBUG(0, ("Got invalid ltdb header length %d\n",
(int)data.dsize));
TALLOC_FREE(conn);
- return NT_STATUS_UNEXPECTED_IO_ERROR;
+ return EIO;
}
data.dsize -= sizeof(struct ctdb_ltdb_header);
data.dptr += sizeof(struct ctdb_ltdb_header);
fn(key, data, private_data);
}
}
- return NT_STATUS_OK;
+ return 0;
}
/*
* Register us as a server for a particular tcp connection
*/
-NTSTATUS ctdbd_register_ips(struct ctdbd_connection *conn,
- const struct sockaddr_storage *_server,
- const struct sockaddr_storage *_client,
- bool (*release_ip_handler)(const char *ip_addr,
- void *private_data),
- void *private_data)
+int ctdbd_register_ips(struct ctdbd_connection *conn,
+ const struct sockaddr_storage *_server,
+ const struct sockaddr_storage *_client,
+ int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
+ uint64_t dst_srvid,
+ const uint8_t *msg, size_t msglen,
+ void *private_data),
+ void *private_data)
{
- /*
- * we still use ctdb_control_tcp for ipv4
- * because we want to work against older ctdb
- * versions at runtime
- */
- struct ctdb_control_tcp p4;
struct ctdb_control_tcp_addr p;
- TDB_DATA data;
- NTSTATUS status;
+ TDB_DATA data = { .dptr = (uint8_t *)&p, .dsize = sizeof(p) };
+ int ret;
struct sockaddr_storage client;
struct sockaddr_storage server;
/*
* Only one connection so far
*/
- SMB_ASSERT(conn->release_ip_handler == NULL);
smbd_ctdb_canonicalize_ip(_client, &client);
smbd_ctdb_canonicalize_ip(_server, &server);
switch (client.ss_family) {
case AF_INET:
- memcpy(&p4.dest, &server, sizeof(p4.dest));
- memcpy(&p4.src, &client, sizeof(p4.src));
- data.dptr = (uint8_t *)&p4;
- data.dsize = sizeof(p4);
+ memcpy(&p.dest.ip, &server, sizeof(p.dest.ip));
+ memcpy(&p.src.ip, &client, sizeof(p.src.ip));
break;
case AF_INET6:
memcpy(&p.dest.ip6, &server, sizeof(p.dest.ip6));
memcpy(&p.src.ip6, &client, sizeof(p.src.ip6));
- data.dptr = (uint8_t *)&p;
- data.dsize = sizeof(p);
break;
default:
- return NT_STATUS_INTERNAL_ERROR;
+ return EIO;
}
- conn->release_ip_handler = release_ip_handler;
- conn->release_ip_priv = private_data;
-
/*
* We want to be told about IP releases
*/
- status = register_with_ctdbd(conn, CTDB_SRVID_RELEASE_IP);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ ret = register_with_ctdbd(conn, CTDB_SRVID_RELEASE_IP,
+ cb, private_data);
+ if (ret != 0) {
+ return ret;
}
/*
* can send an extra ack to trigger a reset for our client, so it
* immediately reconnects
*/
- return ctdbd_control(conn, CTDB_CURRENT_NODE,
- CTDB_CONTROL_TCP_CLIENT, 0,
- CTDB_CTRL_FLAG_NOREPLY, data, NULL, NULL, NULL);
-}
-
-/*
- * We want to handle reconfigure events
- */
-NTSTATUS ctdbd_register_reconfigure(struct ctdbd_connection *conn)
-{
- return register_with_ctdbd(conn, CTDB_SRVID_RECONFIGURE);
+ ret = ctdbd_control(conn, CTDB_CURRENT_NODE,
+ CTDB_CONTROL_TCP_CLIENT, 0,
+ CTDB_CTRL_FLAG_NOREPLY, data, NULL, NULL,
+ NULL);
+ if (ret != 0) {
+ return ret;
+ }
+ return 0;
}
/*
call a control on the local node
*/
-NTSTATUS ctdbd_control_local(struct ctdbd_connection *conn, uint32_t opcode,
- uint64_t srvid, uint32_t flags, TDB_DATA data,
- TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
- int *cstatus)
+int ctdbd_control_local(struct ctdbd_connection *conn, uint32_t opcode,
+ uint64_t srvid, uint32_t flags, TDB_DATA data,
+ TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
+ int *cstatus)
{
- return ctdbd_control(conn, CTDB_CURRENT_NODE, opcode, srvid, flags, data, mem_ctx, outdata, cstatus);
+ return ctdbd_control(conn, CTDB_CURRENT_NODE, opcode, srvid, flags, data,
+ mem_ctx, outdata, cstatus);
}
-NTSTATUS ctdb_watch_us(struct ctdbd_connection *conn)
+int ctdb_watch_us(struct ctdbd_connection *conn)
{
- struct ctdb_client_notify_register reg_data;
+ struct ctdb_notify_data_old reg_data;
size_t struct_len;
- NTSTATUS status;
+ int ret;
int cstatus;
reg_data.srvid = CTDB_SRVID_SAMBA_NOTIFY;
reg_data.len = 1;
reg_data.notify_data[0] = 0;
- struct_len = offsetof(struct ctdb_client_notify_register,
+ struct_len = offsetof(struct ctdb_notify_data_old,
notify_data) + reg_data.len;
- status = ctdbd_control_local(
+ ret = ctdbd_control_local(
conn, CTDB_CONTROL_REGISTER_NOTIFY, conn->rand_srvid, 0,
make_tdb_data((uint8_t *)®_data, struct_len),
NULL, NULL, &cstatus);
- if (!NT_STATUS_IS_OK(status)) {
+ if (ret != 0) {
DEBUG(1, ("ctdbd_control_local failed: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
}
- return status;
+ return ret;
}
-NTSTATUS ctdb_unwatch(struct ctdbd_connection *conn)
+int ctdb_unwatch(struct ctdbd_connection *conn)
{
struct ctdb_client_notify_deregister dereg_data;
- NTSTATUS status;
+ int ret;
int cstatus;
dereg_data.srvid = CTDB_SRVID_SAMBA_NOTIFY;
- status = ctdbd_control_local(
+ ret = ctdbd_control_local(
conn, CTDB_CONTROL_DEREGISTER_NOTIFY, conn->rand_srvid, 0,
make_tdb_data((uint8_t *)&dereg_data, sizeof(dereg_data)),
NULL, NULL, &cstatus);
- if (!NT_STATUS_IS_OK(status)) {
+ if (ret != 0) {
DEBUG(1, ("ctdbd_control_local failed: %s\n",
- nt_errstr(status)));
+ strerror(ret)));
}
- return status;
+ return ret;
}
-NTSTATUS ctdbd_probe(void)
+int ctdbd_probe(const char *sockname, int timeout)
{
/*
* Do a very early check if ctdbd is around to avoid an abort and core
* later
*/
struct ctdbd_connection *conn = NULL;
- NTSTATUS status;
+ int ret;
- status = ctdbd_messaging_connection(talloc_tos(), &conn);
+ ret = ctdbd_messaging_connection(talloc_tos(), sockname, timeout,
+ &conn);
/*
* We only care if we can connect.
*/
TALLOC_FREE(conn);
- return status;
+ return ret;
}
git.samba.org / obnox / samba / samba-obnox.git / blobdiff