commit df3cf881d1d217b6ff3757bf95f8c2784584fec8 Author: Roger Dingledine arma@torproject.org Date: Thu Apr 28 20:40:15 2011 -0400

stop putting wacky values into state->lastwritten --- changes/bug3039 | 5 +++++ src/or/circuitbuild.c | 2 +- src/or/config.c | 20 +++++++++++++++++--- src/or/config.h | 1 + 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/changes/bug3039 b/changes/bug3039 new file mode 100644 index 0000000..7347ee3 --- /dev/null +++ b/changes/bug3039 @@ -0,0 +1,5 @@ + o Minor bugfixes: + - Write the current time into the LastWritten line in our state file, + rather than the time from the previous write attempt. Also, stop + trying to use a time of -1 in our log statements. Fixes bug 3039; + bugfix on 0.2.2.14-alpha. diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index fe94264..85765e3 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -119,7 +119,7 @@ circuit_build_times_disabled(void) 0, 0, 1); int config_disabled = !get_options()->LearnCircuitBuildTimeout; int dirauth_disabled = get_options()->AuthoritativeDir; - int state_disabled = (get_or_state()->LastWritten == -1); + int state_disabled = did_last_state_file_write_fail() ? 1 : 0;

if (consensus_disabled || config_disabled || dirauth_disabled || state_disabled) { diff --git a/src/or/config.c b/src/or/config.c index 9384b3a..7534cc7 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); diff --git a/src/or/config.h b/src/or/config.h index defda35..78a67dd 100644 --- a/src/or/config.h +++ b/src/or/config.h @@ -58,6 +58,7 @@ char *options_get_datadir_fname2_suffix(or_options_t *options, get_datadir_fname2_suffix((sub1), NULL, (suffix))

or_state_t *get_or_state(void); +int did_last_state_file_write_fail(void); int or_state_save(time_t now);

int options_need_geoip_info(or_options_t *options, const char **reason_out);