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when a client asks us for a dir mirror and we don't have one,

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launch an attempt to get a fresh one.


svn:r3609
This commit is contained in:
Roger Dingledine 2005-02-10 06:31:34 +00:00
parent 1ebebff1a0
commit 37ca621301
2 changed files with 24 additions and 0 deletions
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17
src/or/connection.c
View File

@ -1256,6 +1256,23 @@ connection_t *connection_get_by_type_state(int type, int state) {
return NULL;
}
/** Return a connection of type <b>type</b> that has purpose <b>purpose</b>,
* and that is not marked for close.
*/
connection_t *connection_get_by_type_purpose(int type, int purpose) {
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
if (conn->type == type && conn->purpose == purpose && !conn->marked_for_close)
return conn;
}
return NULL;
}
/** Return the connection of type <b>type</b> that is in state
* <b>state</b>, that was written to least recently, and that is not
* marked for close.

7
src/or/directory.c
View File

@ -876,6 +876,9 @@ directory_handle_command_get(connection_t *conn, char *headers,
if (dlen == 0) {
log_fn(LOG_NOTICE,"Client asked for the mirrored directory, but we don't have a good one yet. Sending 503 Dir not available.");
write_http_status_line(conn, 503, "Directory unavailable");
/* try to get a new one now */
if (!connection_get_by_type_purpose(CONN_TYPE_DIR, DIR_PURPOSE_FETCH_DIR))
directory_get_from_dirserver(DIR_PURPOSE_FETCH_DIR, NULL, 1);
return 0;
}
@ -898,6 +901,10 @@ directory_handle_command_get(connection_t *conn, char *headers,
dlen = dirserv_get_runningrouters(&cp, deflated);
if (!dlen) { /* we failed to create/cache cp */
write_http_status_line(conn, 503, "Directory unavailable");
/* try to get a new one now */
if (!connection_get_by_type_purpose(CONN_TYPE_DIR,
DIR_PURPOSE_FETCH_RUNNING_LIST))
directory_get_from_dirserver(DIR_PURPOSE_FETCH_RUNNING_LIST, NULL, 1);
return 0;
}