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-rw-r--r--src/daemon/dlt-daemon.c22
-rw-r--r--src/daemon/dlt.conf2
2 files changed, 22 insertions, 2 deletions
diff --git a/src/daemon/dlt-daemon.c b/src/daemon/dlt-daemon.c
index 35fb024..2c9ff6a 100644
--- a/src/daemon/dlt-daemon.c
+++ b/src/daemon/dlt-daemon.c
@@ -940,7 +940,25 @@ int main(int argc, char *argv[])
/* Initialize internal logging facility */
dlt_log_set_filename(daemon_local.flags.loggingFilename);
dlt_log_set_level(daemon_local.flags.loggingLevel);
- dlt_log_init(daemon_local.flags.loggingMode);
+ DltReturnValue log_init_result =
+ dlt_log_init(daemon_local.flags.loggingMode);
+
+ if (log_init_result != DLT_RETURN_OK) {
+ fprintf(stderr, "Failed to init internal logging\n");
+
+#if WITH_DLT_FILE_LOGGING_SYSLOG_FALLBACK
+ if (daemon_local.flags.loggingMode == DLT_LOG_TO_FILE) {
+ fprintf(stderr, "Falling back to syslog mode\n");
+
+ daemon_local.flags.loggingMode = DLT_LOG_TO_SYSLOG;
+ log_init_result = dlt_log_init(daemon_local.flags.loggingMode);
+ if (log_init_result != DLT_RETURN_OK) {
+ fprintf(stderr, "Failed to setup syslog logging, internal logs will "
+ "not be available\n");
+ }
+ }
+#endif
+ }
/* Print version information */
dlt_get_version(version, DLT_DAEMON_TEXTBUFSIZE);
@@ -955,7 +973,7 @@ int main(int argc, char *argv[])
if (dlt_mkdir_recursive(dltFifoBaseDir) != 0) {
dlt_vlog(LOG_ERR, "Base dir %s cannot be created!\n", dltFifoBaseDir);
return -1;
- }
+ }
#else
if (dlt_mkdir_recursive(DLT_USER_IPC_PATH) != 0) {
diff --git a/src/daemon/dlt.conf b/src/daemon/dlt.conf
index 7e19817..777aa82 100644
--- a/src/daemon/dlt.conf
+++ b/src/daemon/dlt.conf
@@ -46,6 +46,8 @@ LoggingMode = 0
LoggingLevel = 6
# The logging filename if internal logging mode is log to file (Default: /tmp/dlt.log)
+# If access to the file is not possible, the daemon will fall back to syslog
+# if WITH_DLT_FILE_LOGGING_SYSLOG_FALLBACK is set as compile flag
LoggingFilename = /tmp/dlt.log
# Timeout on send to client (sec)