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Try to make tor work better through squid: Limit number of descriptors we fetch

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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
This commit is contained in:
Peter Palfrader 2006-02-03 15:17:48 +00:00
parent a1dd751f30
commit 390bbb0a0c
2 changed files with 12 additions and 1 deletions
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5
src/or/directory.c
View File

@ -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);

8
src/or/routerlist.c
View File

@ -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