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start to clean up r13250: retry v2 renddesc fetches when we

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fail to reach the dirserver too.


svn:r13251
This commit is contained in:
Roger Dingledine 2008-01-24 04:45:30 +00:00
parent 6b1374556e
commit c973eb5e23
2 changed files with 15 additions and 24 deletions
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6
src/or/connection.c
View File

@ -468,10 +468,12 @@ connection_about_to_close_connection(connection_t *conn)
/* It's a directory connection and connecting or fetching
* failed: forget about this router, and maybe try again. */
connection_dir_request_failed(dir_conn);
// XXX if it's rend desc we may want to retry -RD
}
/* if we were trying to fetch a rend desc, retry as needed */
if (conn->purpose == DIR_PURPOSE_FETCH_RENDDESC)
rend_client_desc_here(dir_conn->rend_query); /* give it a try */
rend_client_desc_here(dir_conn->rend_query);
if (conn->purpose == DIR_PURPOSE_FETCH_RENDDESC_V2)
rend_client_refetch_v2_renddesc(dir_conn->rend_query);
break;
case CONN_TYPE_OR:
or_conn = TO_OR_CONN(conn);

33
src/or/directory.c
View File

@ -1763,13 +1763,11 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
case 200:
if (rend_cache_store(body, body_len, 0) < 0) {
log_warn(LD_REND,"Failed to fetch rendezvous descriptor.");
/* alice's ap_stream will notice when connection_mark_for_close
* cleans it up */
/*XXXX020 maybe retry quickly; timeout takes a while. */
/* This would require some kind of book-keeping which directories
* have been requested and which not. As directory servers are
* rather reliable, this should not be necessary, in constrast to
* v2 hidden service directories. -KL */
/* Any pending rendezvous attempts will notice when
* connection_about_to_close_connection()
* cleans this dir conn up. */
/* We could retry. But since v0 descriptors are going out of
* style, it isn't worth the hassle. We'll do better in v2. */
} else {
/* success. notify pending connections about this. */
conn->_base.purpose = DIR_PURPOSE_HAS_FETCHED_RENDDESC;
@ -1777,13 +1775,8 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
}
break;
case 404:
/* not there. pending connections will be notified when
* connection_mark_for_close cleans it up. */
/*XXXX020 maybe retry quickly; timeout takes a while. */
/* This would require some kind of book-keeping which directories
* have been requested and which not. As directory servers are
* rather reliable, this should not be necessary, in constrast to
* v2 hidden service directories. -KL */
/* Not there. Pending connections will be notified when
* connection_about_to_close_connection() cleans this conn up. */
break;
case 400:
log_warn(LD_REND,
@ -1808,9 +1801,8 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
if (rend_cache_store_v2_desc_as_client(body, NULL) < 0) {
log_warn(LD_REND,"Fetching v2 rendezvous descriptor failed. "
"Retrying at another directory.");
/* alice's ap_stream will notice when connection_mark_for_close
* cleans it up */
rend_client_refetch_v2_renddesc(conn->rend_query);
/* We'll retry when connection_about_to_close_connection()
* cleans this dir conn up. */
} else {
/* success. notify pending connections about this. */
log_info(LD_REND, "Successfully fetched rendezvous descriptor.");
@ -1819,18 +1811,16 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
}
break;
case 404:
/* not there. pending connections will be notified when
* connection_mark_for_close cleans it up. */
/* Not there. We'll retry when
* connection_about_to_close_connection() cleans this conn up. */
log_info(LD_REND,"Fetching v2 rendezvous descriptor failed: "
"Retrying at another directory.");
rend_client_refetch_v2_renddesc(conn->rend_query);
break;
case 400:
log_warn(LD_REND, "Fetching v2 rendezvous descriptor failed: "
"http status 400 (%s). Dirserver didn't like our "
"v2 rendezvous query? Retrying at another directory.",
escaped(reason));
rend_client_refetch_v2_renddesc(conn->rend_query);
break;
default:
log_warn(LD_REND, "Fetching v2 rendezvous descriptor failed: "
@ -1839,7 +1829,6 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
"Retrying at another directory.",
status_code, escaped(reason), conn->_base.address,
conn->_base.port);
rend_client_refetch_v2_renddesc(conn->rend_query);
break;
}
}