messaging_send(msg_ctx, src, MSG_PONG, data);
}
-/****************************************************************************
- Register/replace a dispatch function for a particular message type.
- JRA changed Dec 13 2006. Only one message handler now permitted per type.
- *NOTE*: Dispatch functions must be able to cope with incoming
- messages on an *odd* byte boundary.
-****************************************************************************/
-
-struct msg_all {
- struct messaging_context *msg_ctx;
- int msg_type;
- uint32_t msg_flag;
- const void *buf;
- size_t len;
- int n_sent;
-};
-
-/****************************************************************************
- Send one of the messages for the broadcast.
-****************************************************************************/
-
-static int traverse_fn(struct db_record *rec, const struct server_id *id,
- uint32_t msg_flags, void *state)
-{
- struct msg_all *msg_all = (struct msg_all *)state;
- NTSTATUS status;
-
- /* Don't send if the receiver hasn't registered an interest. */
-
- if((msg_flags & msg_all->msg_flag) == 0) {
- return 0;
- }
-
- /* If the msg send fails because the pid was not found (i.e. smbd died),
- * the msg has already been deleted from the messages.tdb.*/
-
- status = messaging_send_buf(msg_all->msg_ctx, *id, msg_all->msg_type,
- (const uint8_t *)msg_all->buf, msg_all->len);
-
- if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_HANDLE)) {
- struct server_id_buf idbuf;
-
- /*
- * If the pid was not found delete the entry from
- * serverid.tdb
- */
-
- DEBUG(2, ("pid %s doesn't exist\n",
- server_id_str_buf(*id, &idbuf)));
-
- dbwrap_record_delete(rec);
- }
- msg_all->n_sent++;
- return 0;
-}
-
-/**
- * Send a message to all smbd processes.
- *
- * It isn't very efficient, but should be OK for the sorts of
- * applications that use it. When we need efficient broadcast we can add
- * it.
- *
- * @param n_sent Set to the number of messages sent. This should be
- * equal to the number of processes, but be careful for races.
- *
- * @retval True for success.
- **/
-bool message_send_all(struct messaging_context *msg_ctx,
- int msg_type,
- const void *buf, size_t len,
- int *n_sent)
-{
- struct msg_all msg_all;
-
- msg_all.msg_type = msg_type;
- if (msg_type < 0x100) {
- msg_all.msg_flag = FLAG_MSG_GENERAL;
- } else if (msg_type > 0x100 && msg_type < 0x200) {
- msg_all.msg_flag = FLAG_MSG_NMBD;
- } else if (msg_type > 0x200 && msg_type < 0x300) {
- msg_all.msg_flag = FLAG_MSG_PRINT_GENERAL;
- } else if (msg_type > 0x300 && msg_type < 0x400) {
- msg_all.msg_flag = FLAG_MSG_SMBD;
- } else if (msg_type > 0x400 && msg_type < 0x600) {
- msg_all.msg_flag = FLAG_MSG_WINBIND;
- } else if (msg_type > 4000 && msg_type < 5000) {
- msg_all.msg_flag = FLAG_MSG_DBWRAP;
- } else {
- return false;
- }
-
- msg_all.buf = buf;
- msg_all.len = len;
- msg_all.n_sent = 0;
- msg_all.msg_ctx = msg_ctx;
-
- serverid_traverse(traverse_fn, &msg_all);
- if (n_sent)
- *n_sent = msg_all.n_sent;
- return true;
-}
-
static void messaging_recv_cb(const uint8_t *msg, size_t msg_len,
int *fds, size_t num_fds,
void *private_data)
size_t i;
if (msg_len < MESSAGE_HDR_LENGTH) {
- DEBUG(1, ("message too short: %u\n", (unsigned)msg_len));
+ DBG_WARNING("message too short: %zu\n", msg_len);
goto close_fail;
}
if (num_fds > INT8_MAX) {
- DEBUG(1, ("too many fds: %u\n", (unsigned)num_fds));
+ DBG_WARNING("too many fds: %zu\n", num_fds);
goto close_fail;
}
message_hdr_get(&rec.msg_type, &rec.src, &rec.dest, msg);
- DEBUG(10, ("%s: Received message 0x%x len %u (num_fds:%u) from %s\n",
- __func__, (unsigned)rec.msg_type,
- (unsigned)rec.buf.length,
- (unsigned)num_fds,
- server_id_str_buf(rec.src, &idbuf)));
+ DBG_DEBUG("Received message 0x%x len %zu (num_fds:%zu) from %s\n",
+ (unsigned)rec.msg_type, rec.buf.length, num_fds,
+ server_id_str_buf(rec.src, &idbuf));
messaging_dispatch_rec(msg_ctx, &rec);
return;
register_dmalloc_msgs(ctx);
debug_register_msgs(ctx);
+ {
+ struct server_id_buf tmp;
+ DBG_DEBUG("my id: %s\n", server_id_str_buf(ctx->id, &tmp));
+ }
+
return ctx;
}
NTSTATUS messaging_reinit(struct messaging_context *msg_ctx)
{
int ret;
+ char *lck_path;
TALLOC_FREE(msg_ctx->msg_dgm_ref);
.pid = getpid(), .vnn = msg_ctx->id.vnn
};
+ lck_path = lock_path("msg.lock");
+ if (lck_path == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
msg_ctx->msg_dgm_ref = messaging_dgm_ref(
msg_ctx, msg_ctx->event_ctx, &msg_ctx->id.unique_id,
- private_path("msg.sock"), lock_path("msg.lock"),
+ private_path("msg.sock"), lck_path,
messaging_recv_cb, msg_ctx, &ret);
if (msg_ctx->msg_dgm_ref == NULL) {
return map_nt_error_from_unix(ret);
}
- TALLOC_FREE(msg_ctx->remote);
-
if (lp_clustering()) {
- ret = messaging_ctdbd_init(msg_ctx, msg_ctx,
- &msg_ctx->remote);
+ ret = messaging_ctdbd_reinit(msg_ctx, msg_ctx,
+ msg_ctx->remote);
if (ret != 0) {
DEBUG(1, ("messaging_ctdbd_init failed: %s\n",
struct server_id server, uint32_t msg_type,
const DATA_BLOB *data)
{
- struct iovec iov;
+ struct iovec iov = {0};
- iov.iov_base = data->data;
- iov.iov_len = data->length;
+ if (data != NULL) {
+ iov.iov_base = data->data;
+ iov.iov_len = data->length;
+ };
return messaging_send_iov(msg_ctx, server, msg_type, &iov, 1, NULL, 0);
}
return EINVAL;
}
- if (!procid_is_local(&dst)) {
+ if (dst.vnn != msg_ctx->id.vnn) {
if (num_fds > 0) {
return ENOSYS;
}
iov2[0] = (struct iovec){ .iov_base = hdr, .iov_len = sizeof(hdr) };
memcpy(&iov2[1], iov, iovlen * sizeof(*iov));
- become_root();
ret = messaging_dgm_send(dst.pid, iov2, iovlen+1, fds, num_fds);
- unbecome_root();
+
+ if (ret == EACCES) {
+ become_root();
+ ret = messaging_dgm_send(dst.pid, iov2, iovlen+1,
+ fds, num_fds);
+ unbecome_root();
+ }
return ret;
}
tevent_req_received(req);
return err;
}
- *presult = talloc_move(mem_ctx, &state->rec);
+ if (presult != NULL) {
+ *presult = talloc_move(mem_ctx, &state->rec);
+ }
return 0;
}
git.samba.org / metze / samba / wip.git / blobdiff