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-rw-r--r--ChangeLog2
-rw-r--r--src/or/main.c15
2 files changed, 12 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 32c3ba76f5..dbaf444aaa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -19,6 +19,8 @@ Changes in version 0.2.0.9-alpha - 2007-10-??
o Minor features (performance):
- Call routerlist_remove_old_routers() much less often. This should
speed startup, especially on directory caches.
+ - Don't try to launch descriptor downloads quite so often when we
+ have enough directory information.
o Minor bugfixes (directory authorities):
- Correct the implementation of "download votes by digest." Bugfix on
diff --git a/src/or/main.c b/src/or/main.c
index 37aefb46fc..c3bb3c3f6f 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -98,8 +98,12 @@ int has_completed_circuit=0;
/** How often do we check buffers and pools for empty space that can be
* deallocated? */
#define MEM_SHRINK_INTERVAL (60)
-/** How often do we check for router descriptors that we should download? */
-#define DESCRIPTOR_RETRY_INTERVAL (10)
+/** How often do we check for router descriptors that we should download
+ * when we have too little directory info? */
+#define GREEDY_DESCRIPTOR_RETRY_INTERVAL (10)
+/** How often do we check for router descriptors that we should download
+ * when we have enough directory info? */
+#define LAZY_DESCRIPTOR_RETRY_INTERVAL (60)
/** How often do we 'forgive' undownloadable router descriptors and attempt
* to download them again? */
#define DESCRIPTOR_FAILURE_RESET_INTERVAL (60*60)
@@ -859,13 +863,14 @@ run_scheduled_events(time_t now)
}
if (time_to_try_getting_descriptors < now) {
- /* XXXX Maybe we should do this every 10sec when not enough info,
- * and every 60sec when we have enough info -NM Great idea -RD */
update_router_descriptor_downloads(now);
update_extrainfo_downloads(now);
if (options->UseBridges)
fetch_bridge_descriptors(now);
- time_to_try_getting_descriptors = now + DESCRIPTOR_RETRY_INTERVAL;
+ if (router_have_minimum_dir_info())
+ time_to_try_getting_descriptors = now + LAZY_DESCRIPTOR_RETRY_INTERVAL;
+ else
+ time_to_try_getting_descriptors = now + GREEDY_DESCRIPTOR_RETRY_INTERVAL;
}
if (time_to_reset_descriptor_failures < now) {