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tools: console: Relax stream EOF handling

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Regular VM shutdown triggers the error for existing session of virsh
console and it returns with non-zero exit code:
  error: internal error: console stream EOF

The message and status code are misleading because there's no real
error. virStreamRecv returns 0 correctly when EOF is reached.

Existing implementations of esx, fd, and remote streams behave the same
for virStreamFinish and virStreamAbort: they close the stream. So, we
can continue to use virStreamAbort to handle EOF and errors from
virStreamRecv but additonally we can report error if virStreamAbort
fails.

Fixes: 29f2b5248c ("tools: console: pass stream/fd errors to user")
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Tested-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Roman Bolshakov 2019-08-21 16:33:18 +03:00 committed by Michal Privoznik
parent f6d6086dbf
commit 277c8c4c9b
1 changed files with 3 additions and 5 deletions
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8
tools/virsh-console.c
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@ -106,7 +106,9 @@ virConsoleShutdown(virConsolePtr con)
if (con->st) {
virStreamEventRemoveCallback(con->st);
virStreamAbort(con->st);
if (virStreamAbort(con->st) < 0)
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot terminate console stream"));
virStreamFree(con->st);
con->st = NULL;
}
@ -172,10 +174,6 @@ virConsoleEventOnStream(virStreamPtr st,
if (got == -2)
goto cleanup; /* blocking */
if (got <= 0) {
if (got == 0)
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("console stream EOF"));
virConsoleShutdown(con);
goto cleanup;
}