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authorKlearchos Chaloulos <klearchos.chaloulos@nokia.com>2015-12-09 18:34:36 +0200
committerKlearchos Chaloulos <klearchos.chaloulos@nokia.com>2015-12-09 18:34:36 +0200
commit8a3db16df40c1bbcb1d1debc80fbf92339503235 (patch)
tree848348264f88674b9dd32001240a129b28d814dd /src/journal-remote/journal-upload-journal.c
parent089627141998d69d1e2e05bcbeb366af3db7a449 (diff)
journal-upload : Ignore journal event when already in uploading state.
When the log rate is high, it is possible that the callback dispatch_journal_input() will be called twice, while the program is in uploading state. There is a guard for this in dispatch_journal_input(). However it is not enough, as it is possible that the uploading state is not set when the code is in dispatch_journal_input(). The result of the above is that a log would be skipped, as sd_journal_next_skip() would be called twice. Adding a new check in process_journal_input(), just before the code to sd_journal_next_skip(), makes sure that the code ignores a duplicate callback, when the first callback is in uploading state. Also, removed the warning log from dispatch_journal_input(), as this occurence is normal.
Diffstat (limited to 'src/journal-remote/journal-upload-journal.c')
-rw-r--r--src/journal-remote/journal-upload-journal.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/journal-remote/journal-upload-journal.c b/src/journal-remote/journal-upload-journal.c
index a6d7c3b7e8..f9d2385215 100644
--- a/src/journal-remote/journal-upload-journal.c
+++ b/src/journal-remote/journal-upload-journal.c
@@ -312,6 +312,9 @@ void close_journal_input(Uploader *u) {
static int process_journal_input(Uploader *u, int skip) {
int r;
+ if (u->uploading)
+ return 0;
+
r = sd_journal_next_skip(u->journal, skip);
if (r < 0)
return log_error_errno(r, "Failed to skip to next entry: %m");
@@ -349,10 +352,8 @@ static int dispatch_journal_input(sd_event_source *event,
assert(u);
- if (u->uploading) {
- log_warning("dispatch_journal_input called when uploading, ignoring.");
+ if (u->uploading)
return 0;
- }
log_debug("Detected journal input, checking for new data.");
return check_journal_input(u);