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r11636: a bit neater solution to the nt_cancel problem

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(This used to be commit ba7864b07e)
This commit is contained in:
Andrew Tridgell 2005-11-10 11:10:40 +00:00 committed by Gerald (Jerry) Carter
parent 7118df6df0
commit 872b821fca
3 changed files with 19 additions and 11 deletions
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18
source4/lib/stream/packet.c
View File

@ -45,6 +45,7 @@ struct packet_context {
BOOL serialise;
BOOL processing;
BOOL recv_disable;
BOOL nofree;
struct send_element {
struct send_element *next, *prev;
@ -144,6 +145,14 @@ void packet_set_initial_read(struct packet_context *pc, uint32_t initial_read)
pc->initial_read = initial_read;
}
/*
tell the packet system not to steal/free blobs given to packet_send()
*/
void packet_set_nofree(struct packet_context *pc)
{
pc->nofree = True;
}
/*
tell the caller we have an error
@ -427,7 +436,14 @@ NTSTATUS packet_send(struct packet_context *pc, DATA_BLOB blob)
DLIST_ADD_END(pc->send_queue, el, struct send_element *);
el->blob = blob;
el->nsent = 0;
talloc_steal(el, blob.data);
/* if we aren't going to free the packet then we must reference it
to ensure it doesn't disappear before going out */
if (pc->nofree) {
talloc_reference(el, blob.data);
} else {
talloc_steal(el, blob.data);
}
EVENT_FD_WRITEABLE(pc->fde);

1
source4/lib/stream/packet.h
View File

@ -40,6 +40,7 @@ void packet_set_socket(struct packet_context *pc, struct socket_context *sock);
void packet_set_event_context(struct packet_context *pc, struct event_context *ev);
void packet_set_serialise(struct packet_context *pc, struct fd_event *fde);
void packet_set_initial_read(struct packet_context *pc, uint32_t initial_read);
void packet_set_nofree(struct packet_context *pc);
void packet_recv(struct packet_context *pc);
void packet_recv_disable(struct packet_context *pc);
void packet_recv_enable(struct packet_context *pc);

11
source4/libcli/raw/clitransport.c
View File

@ -105,6 +105,7 @@ struct smbcli_transport *smbcli_transport_init(struct smbcli_socket *sock,
packet_set_full_request(transport->packet, packet_full_request_nbt);
packet_set_error_handler(transport->packet, smbcli_transport_error);
packet_set_event_context(transport->packet, transport->socket->event.ctx);
packet_set_nofree(transport->packet);
smbcli_init_signing(transport);
@ -559,16 +560,6 @@ void smbcli_transport_send(struct smbcli_request *req)
return;
}
/* put it on the socket queue
* - as the buffer is a part of the smbcli_request struct
* we need to reference it here, because packet_queue_run()
* will call talloc_free() on it
*/
if (!talloc_reference(req, req->out.buffer)) {
req->state = SMBCLI_REQUEST_ERROR;
req->status = NT_STATUS_NO_MEMORY;
return;
}
blob = data_blob_const(req->out.buffer, req->out.size);
status = packet_send(req->transport->packet, blob);
if (!NT_STATUS_IS_OK(status)) {