From 5bc164283aaf84a499b3dca5fa7dc965b48be994 Mon Sep 17 00:00:00 2001 From: wessels <> Date: Fri, 31 Oct 1997 11:16:25 +0000 Subject: [PATCH] update --- TODO | 92 ++++++++++++++++++++++++++++++++++++------------------------ 1 file changed, 55 insertions(+), 37 deletions(-) diff --git a/TODO b/TODO index e83cf29929..ddce7c9b27 100644 --- a/TODO +++ b/TODO @@ -1,41 +1,57 @@ -+ copy over new -z semantics; don't automatically wipeout cache +Our Todo List -+ request-range -+ hit metering -+ we don't properly handle the HTTP/1.1 'Connection' header -+ single linked list for disk LRU replacement -+ ETag support (makes metadata bigger--ack!) -+ Incorporate Pelletier's latest retry patch for 1.1 -+ FTP PUT -+ REST for failed ftp transfers. -+ be more persistent in forwarding requests; return fewer error pages -+ AS # routing -+ Send full HTTP requests in ICP messages -+ Everywhere that we use 'pattern' or such, use ACL elements instead. - - stoplist_pattern, refresh_pattern, ... -+ support ftp://host/pub;type=d -+ X-Proxy-hops header -+ SNMP interface -+ URLs --> MD5? -+ redo cachemgr utilization -+ internalize redirectors? -+ should we write clean store logs from the double-linked list so - that they are sorted in order of last reference? Then upon - restart we won't have to worry about the list being unsorted - and causing problems with the LRU magic value. - -+ Efficient public peer access control *without ACLs* - Bill Wichers - Dave Zarzycki - # distant_peer_deny (icmp rtt) (hops) - # If the ICP client is farther than "z" hops away, - # or if more than y% of pings to the client exceed - # x milliseconds, then deny. - distant_peer_deny 200 75 10 - -+ #ifdefs to disable IP caching -+ convert ipcache/fqdncache to double-linked list - and lose qsort() calls. +(1) is high priority, (5) is low priority +============================================================================== + +(1) reconfigure (SIGHUP) causes problems with Config.cacheSwap.swapDirs[]. +(1) A customizable cache replacement policy. Ugh, this could be + interesting since we just optimized the LRU replacement with a + doubly-linked list. +(1) Send full HTTP requests in ICP messages + +(2) copy over new -z semantics; don't automatically wipeout cache +(2) we don't properly handle the HTTP/1.1 'Connection' header +(2) be more persistent in forwarding requests; return fewer error pages +(2) SNMP interface +(2) Fix some problems with peer-selection. + - Allow for 'backup' parents + - An orderd list of siblings to try. + - Hash function load balancing + +(3) request-range +(3) hit metering +(3) ETag support (makes metadata bigger--ack!) +(3) AS # routing +(3) URLs --> MD5? +(3) Efficient public peer access control *without ACLs* + Bill Wichers + Dave Zarzycki + # distant_peer_deny (icmp rtt) (hops) + # If the ICP client is farther than "z" hops away, + # or if more than y% of pings to the client exceed + # x milliseconds, then deny. + distant_peer_deny 200 75 10 +(3) Resource limits. + +(4) support ftp://host/pub;type=d +(4) FTP PUT +(4) Everywhere that we use 'pattern' or such, use ACL elements instead. + stoplist_pattern, refresh_pattern, ... + +(5) X-Proxy-hops header? +(5) internalize redirectors? +(5) should we write clean store logs from the double-linked list so + that they are sorted in order of last reference? Then upon + restart we won't have to worry about the list being unsorted + and causing problems with the LRU magic value. +(5) For _popular_ objects, return hits if known to be stale, but then + initiate an IMS/refresh in the background. +(5) #ifdefs to disable IP caching +(5) convert ipcache/fqdncache to double-linked list + and lose qsort() calls. +(5) REST for failed ftp transfers. +(5) Customizable access logging. +(5) Inline DNS queries with native resolver calls. DONE: @@ -45,3 +61,5 @@ DONE: + Finish hacking at storeCopy() to achieve in-memory sliding window for objects being retrieved. + make USE_PROXY_AUTH standard ++ single linked list for disk LRU replacement ++ Incorporate Pelletier's latest retry patch for 1.1 -- 2.47.3