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Diffstat (limited to 'src/or/config.c')
-rw-r--r--src/or/config.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/src/or/config.c b/src/or/config.c
index 9384b3a68..7534cc7f6 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -5119,6 +5119,18 @@ or_state_load(void)
return r;
}
+/** Did the last time we tried to write the state file fail? If so, we
+ * should consider disabling such features as preemptive circuit generation
+ * to compute circuit-build-time. */
+static int last_state_file_write_failed = 0;
+
+/** Return whether the state file failed to write last time we tried. */
+int
+did_last_state_file_write_fail(void)
+{
+ return last_state_file_write_failed;
+}
+
/** If writing the state to disk fails, try again after this many seconds. */
#define STATE_WRITE_RETRY_INTERVAL 3600
@@ -5143,11 +5155,13 @@ or_state_save(time_t now)
if (accounting_is_enabled(get_options()))
accounting_run_housekeeping(now);
+ global_state->LastWritten = now;
+
tor_free(global_state->TorVersion);
tor_asprintf(&global_state->TorVersion, "Tor %s", get_version());
state = config_dump(&state_format, global_state, 1, 0);
- format_local_iso_time(tbuf, time(NULL));
+ format_local_iso_time(tbuf, now);
tor_asprintf(&contents,
"# Tor state file last generated on %s local time\n"
"# Other times below are in GMT\n"
@@ -5158,7 +5172,7 @@ or_state_save(time_t now)
if (write_str_to_file(fname, contents, 0)<0) {
log_warn(LD_FS, "Unable to write state to file \"%s\"; "
"will try again later", fname);
- global_state->LastWritten = -1;
+ last_state_file_write_failed = 1;
tor_free(fname);
tor_free(contents);
/* Try again after STATE_WRITE_RETRY_INTERVAL (or sooner, if the state
@@ -5167,7 +5181,7 @@ or_state_save(time_t now)
return -1;
}
- global_state->LastWritten = time(NULL);
+ last_state_file_write_failed = 0;
log_info(LD_GENERAL, "Saved state to \"%s\"", fname);
tor_free(fname);
tor_free(contents);