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authorPeter Palfrader <peter@palfrader.org>2006-02-03 15:17:48 +0000
committerPeter Palfrader <peter@palfrader.org>2006-02-03 15:17:48 +0000
commit390bbb0a0c0d2d9db01689f7ef338d5946c15ab0 (patch)
tree27652766c244db384c360751c15455eb7eb6ec37 /src
parenta1dd751f301268a30223a49436eccab3f2971f8c (diff)
downloadtor-390bbb0a0c0d2d9db01689f7ef338d5946c15ab0.tar.gz
tor-390bbb0a0c0d2d9db01689f7ef338d5946c15ab0.zip
Try to make tor work better through squid: Limit number of descriptors we fetch
to 96 (was 128 previously). We limit this number even when we do not have a http proxy explicitly configured as some people mistakenly believe transparent proxies are a neat idea. svn:r5901
Diffstat (limited to 'src')
-rw-r--r--src/or/directory.c5
-rw-r--r--src/or/routerlist.c8
2 files changed, 12 insertions, 1 deletions
diff --git a/src/or/directory.c b/src/or/directory.c
index 8210108a92..ed1ae55218 100644
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -579,6 +579,11 @@ directory_send_command(connection_t *conn, const char *platform,
tor_assert(0);
return;
}
+
+ if (strlen(proxystring) + strlen(url) >= 4096) {
+ warn(LD_BUG,"Bug: squid does not like URLs longer than 4095 bytes, this one is %d bytes long: %s%s", strlen(proxystring) + strlen(url), proxystring, url);
+ }
+
tor_snprintf(request, sizeof(request), "%s %s", httpcommand, proxystring);
connection_write_to_buf(request, strlen(request), conn);
connection_write_to_buf(url, strlen(url), conn);
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index 66dbf8c93d..3ac9ee0490 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -3311,7 +3311,13 @@ router_list_client_downloadable(void)
static void
update_router_descriptor_client_downloads(time_t now)
{
-#define MAX_DL_PER_REQUEST 128
+ /* Max amount of hashes to download per request.
+ * Since squid does not like URLs >= 4096 bytes we limit it to 96.
+ * 4096 - strlen(http://255.255.255.255/tor/server/d/.z) == 4058
+ * 4058/41 (40 for the hash and 1 for the + that separates them) => 98
+ * So use 96 because it's a nice number.
+ */
+#define MAX_DL_PER_REQUEST 96
#define MIN_DL_PER_REQUEST 4
#define MIN_REQUESTS 3
#define MAX_DL_TO_DELAY 16