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messaging3: Avoid messaging_is_self_send

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This was a bad API, and it was used in a buggy way: In
messaging_dispatch_rec we always did the defer, we referenced the
destination pid, not the source. In messaging_send_iov this is the right
thing to do to reference the destination, but when we have arrived in
messaging_dispatch_rec we should compare source and destination.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2014-08-21 18:41:49 +00:00 committed by Jeremy Allison
parent 46e912210d
commit 20ef305cfa
1 changed files with 6 additions and 9 deletions
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15
source3/lib/messages.c
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@ -403,13 +403,6 @@ void messaging_deregister(struct messaging_context *ctx, uint32_t msg_type,
}
}
static bool messaging_is_self_send(const struct messaging_context *msg_ctx,
const struct server_id *dst)
{
return ((msg_ctx->id.vnn == dst->vnn) &&
(msg_ctx->id.pid == dst->pid));
}
/*
Send a message to a particular server
*/
@ -455,10 +448,14 @@ NTSTATUS messaging_send_iov(struct messaging_context *msg_ctx,
return NT_STATUS_OK;
}
if (messaging_is_self_send(msg_ctx, &server)) {
if (server_id_same_process(&msg_ctx->id, &server)) {
struct messaging_rec rec;
uint8_t *buf;
/*
* Self-send, directly dispatch
*/
buf = iov_buf(talloc_tos(), iov, iovlen);
if (buf == NULL) {
return NT_STATUS_NO_MEMORY;
@ -827,7 +824,7 @@ void messaging_dispatch_rec(struct messaging_context *msg_ctx,
continue;
}
if (messaging_is_self_send(msg_ctx, &rec->dest)) {
if (server_id_same_process(&rec->src, &rec->dest)) {
/*
* This is a self-send. We are called here from
* messaging_send(), and we don't want to directly