deepblue/ipmitool
1
0
Fork 0
mirror of https://github.com/ipmitool/ipmitool.git synced 2025-05-10 18:47:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

open: checking received msg id against expectation

Browse Source 
Check the received IPMI response message id against
the id expected given the IPMI request.  They need to
match.  It is possible that request A times out,
request B is sent, and then request A responds to the
request B.  The value for request B may be behind it
in the queue.

Note: This may only be possible if the file is kept
open between multiple IPMI messages (a common
occurrence).

Resolves: #82

Signed-off-by: Patrick Venture <venture@google.com>
This commit is contained in:
Patrick Venture 2018-12-04 16:47:09 -08:00 committed by Alexander Amelkin
parent 3bfa1da201
commit 51634fd77c
1 changed files with 49 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/plugins/open/open.c
View File

@ -341,6 +341,7 @@ ipmi_openipmi_send_cmd(struct ipmi_intf *intf, struct ipmi_rq *req)
FD_SET(intf->fd, &rset); FD_SET(intf->fd, &rset);
read_timeout.tv_sec = IPMI_OPENIPMI_READ_TIMEOUT; read_timeout.tv_sec = IPMI_OPENIPMI_READ_TIMEOUT;
read_timeout.tv_usec = 0; read_timeout.tv_usec = 0;
do {
do { do {
retval = select(intf->fd + 1, &rset, NULL, NULL, &read_timeout); retval = select(intf->fd + 1, &rset, NULL, NULL, &read_timeout);
} while (retval < 0 && errno == EINTR); } while (retval < 0 && errno == EINTR);
@ -385,6 +386,18 @@ ipmi_openipmi_send_cmd(struct ipmi_intf *intf, struct ipmi_rq *req)
} }
} }
/* If the message received wasn't expected, try to grab the
* next message until it's out of messages. -EAGAIN is
* returned if the list empty, but basically if it returns a
* message, check if it's alright.
*/
if (_req.msgid != recv.msgid) {
lprintf(LOG_NOTICE,
"Received a response with unexpected ID %ld vs. %ld",
recv.msgid, _req.msgid);
}
} while (_req.msgid != recv.msgid);
if (verbose > 4) { if (verbose > 4) {
fprintf(stderr, "Got message:"); fprintf(stderr, "Got message:");
fprintf(stderr, " type = %d\n", recv.recv_type); fprintf(stderr, " type = %d\n", recv.recv_type);