diff options
| author | Lennart Poettering <lennart@poettering.net> | 2016-04-25 11:16:08 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2016-04-25 15:24:46 +0200 |
| commit | d077390cdf13fc74c0f42dae959e1b5751c3b6a3 (patch) | |
| tree | 3bc29844c4de38348bd1c04b84cb7008e42d3f8a | |
| parent | ae20320785da548130929ad2af758be4803931a7 (diff) | |
sd-journal: add logic to open journal files of a specific OS tree
With this change a new flag SD_JOURNAL_OS_ROOT is introduced. If specified
while opening the journal with the per-directory calls (specifically:
sd_journal_open_directory() and sd_journal_open_directory_fd()) the passed
directory is assumed to be the root directory of an OS tree, and the journal
files are searched for in /var/log/journal, /run/log/journal relative to it.
This is useful to allow usage of sd-journal on file descriptors returned by the
OpenRootDirectory() call of machined.
| -rw-r--r-- | src/journal/sd-journal.c | 14 | ||||
| -rw-r--r-- | src/systemd/sd-journal.h | 9 |
2 files changed, 15 insertions, 8 deletions
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c index 0798247326..c1be1b5faf 100644 --- a/src/journal/sd-journal.c +++ b/src/journal/sd-journal.c @@ -1809,13 +1809,16 @@ _public_ int sd_journal_open_directory(sd_journal **ret, const char *path, int f assert_return(ret, -EINVAL); assert_return(path, -EINVAL); - assert_return(flags == 0, -EINVAL); + assert_return((flags & ~SD_JOURNAL_OS_ROOT) == 0, -EINVAL); j = journal_new(flags, path); if (!j) return -ENOMEM; - r = add_root_directory(j, path, false); + if (flags & SD_JOURNAL_OS_ROOT) + r = add_search_paths(j); + else + r = add_root_directory(j, path, false); if (r < 0) goto fail; @@ -1862,7 +1865,7 @@ _public_ int sd_journal_open_directory_fd(sd_journal **ret, int fd, int flags) { assert_return(ret, -EINVAL); assert_return(fd >= 0, -EBADF); - assert_return(flags == 0, -EINVAL); + assert_return((flags & ~SD_JOURNAL_OS_ROOT) == 0, -EINVAL); if (fstat(fd, &st) < 0) return -errno; @@ -1876,7 +1879,10 @@ _public_ int sd_journal_open_directory_fd(sd_journal **ret, int fd, int flags) { j->toplevel_fd = fd; - r = add_root_directory(j, NULL, false); + if (flags & SD_JOURNAL_OS_ROOT) + r = add_search_paths(j); + else + r = add_root_directory(j, NULL, false); if (r < 0) goto fail; diff --git a/src/systemd/sd-journal.h b/src/systemd/sd-journal.h index 06f076935e..ac4a2f80ae 100644 --- a/src/systemd/sd-journal.h +++ b/src/systemd/sd-journal.h @@ -67,10 +67,11 @@ typedef struct sd_journal sd_journal; /* Open flags */ enum { - SD_JOURNAL_LOCAL_ONLY = 1, - SD_JOURNAL_RUNTIME_ONLY = 2, - SD_JOURNAL_SYSTEM = 4, - SD_JOURNAL_CURRENT_USER = 8, + SD_JOURNAL_LOCAL_ONLY = 1 << 0, + SD_JOURNAL_RUNTIME_ONLY = 1 << 1, + SD_JOURNAL_SYSTEM = 1 << 2, + SD_JOURNAL_CURRENT_USER = 1 << 3, + SD_JOURNAL_OS_ROOT = 1 << 4, SD_JOURNAL_SYSTEM_ONLY = SD_JOURNAL_SYSTEM /* deprecated name */ }; |