RSSClient: send flood protected errormessage if we fail to retrieve the feed.
[citadel.git] / citadel / modules / rssclient / serv_rssclient.c
index de3a6c2dbdff8f8b47e9890cea45c0cc42c22f34..82e206792bb77ea32d404e609769be0911341929 100644 (file)
@@ -1,21 +1,15 @@
 /*
  * Bring external RSS feeds into rooms.
  *
- * Copyright (c) 2007-2010 by the citadel.org team
+ * Copyright (c) 2007-2012 by the citadel.org team
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
  * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include <stdlib.h>
@@ -27,9 +21,9 @@
 # include <time.h>
 #else
 # if HAVE_SYS_TIME_H
-#  include <sys/time.h>
+#include <sys/time.h>
 # else
-#  include <time.h>
+#include <time.h>
 # endif
 #endif
 
 #include "config.h"
 #include "threads.h"
 #include "ctdl_module.h"
-#include "clientsocket.h"
 #include "msgbase.h"
 #include "parsedate.h"
 #include "database.h"
 #include "citadel_dirs.h"
 #include "md5.h"
 #include "context.h"
+#include "event_client.h"
+#include "rss_atom_parser.h"
 
-typedef struct rssnetcfg rssnetcfg;
-struct rssnetcfg {
-       rssnetcfg *next;
-       char url[256];
-       char *rooms;
-       time_t last_error_when;
-       int ItemType;
-};
-
-#define RSS_UNSET       (1<<0)
-#define RSS_RSS         (1<<1)
-#define RSS_ATOM        (1<<2)
-#define RSS_REQUIRE_BUF (1<<3)
-
-typedef struct _rss_item {
-       char *roomlist;
-       int done_parsing;
-       StrBuf *guid;
-       StrBuf *title;
-       StrBuf *link;
-       StrBuf *linkTitle;
-       StrBuf *reLink;
-       StrBuf *reLinkTitle;
-       StrBuf *description;
-       time_t pubdate;
-       StrBuf *channel_title;
-       int item_tag_nesting;
-       StrBuf *author_or_creator;
-       StrBuf *author_url;
-}rss_item;
-
-
-typedef void (*rss_handler_func)(StrBuf *CData, 
-                                rss_item *ri, 
-                                rssnetcfg *Cfg, 
-                                const char** Attr);
-
-typedef struct __rss_xml_handler {
-       int Flags;
-       rss_handler_func Handler;
-}rss_xml_handler;
-
-
-typedef struct _rsscollection {
-       StrBuf *CData;
-       StrBuf *Key;
-
-       rss_item *Item;
-       rssnetcfg *Cfg;
-       
-       rss_xml_handler *Current;
-} rsscollection;
 
-struct rssnetcfg *rnclist = NULL;
-HashList *StartHandlers;
-HashList *EndHandlers;
-HashList *KnownNameSpaces;
-void AddRSSStartHandler(rss_handler_func Handler, int Flags, const char *key, long len)
-{
-       rss_xml_handler *h;
-       h = (rss_xml_handler*) malloc(sizeof (rss_xml_handler));
-       h->Flags = Flags;
-       h->Handler = Handler;
-       Put(StartHandlers, key, len, h, NULL);
-}
-void AddRSSEndHandler(rss_handler_func Handler, int Flags, const char *key, long len)
-{
-       rss_xml_handler *h;
-       h = (rss_xml_handler*) malloc(sizeof (rss_xml_handler));
-       h->Flags = Flags;
-       h->Handler = Handler;
-       Put(EndHandlers, key, len, h, NULL);
-}
+#define TMP_MSGDATA 0xFF
+#define TMP_SHORTER_URL_OFFSET 0xFE
+#define TMP_SHORTER_URLS 0xFD
 
-#if 0
-#ifdef HAVE_ICONV
-#include <iconv.h>
+time_t last_run = 0L;
 
+pthread_mutex_t RSSQueueMutex; /* locks the access to the following vars: */
+HashList *RSSQueueRooms = NULL; /* rss_room_counter */
+HashList *RSSFetchUrls = NULL; /*->rss_aggregator;->RefCount access locked*/
 
-/* 
- * dug this out of the trashcan of the midgard project, lets see if it works for us.
- * original code by Alexander Bokovoy <bokovoy@avilink.ne> distributed under GPL V2 or later
- */
+eNextState RSSAggregator_Terminate(AsyncIO *IO);
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO);
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO);
+struct CitContext rss_CC;
 
-/* Returns: 
- >= 0 - successfull, 0 means conversion doesn't use multibyte sequences 
-   -1 - error during iconv_open call 
-   -2 - error during iconv_close call 
-   ---------------------------------- 
-   This function expects that multibyte encoding in 'charset' wouldn't have 
-   characters with more than 3 bytes. It is not intended to convert UTF-8 because 
-   we'll never receive UTF-8 in our handler (it is handled by Exat itself). 
-*/ 
-static int 
-fill_encoding_info (const char *charset, XML_Encoding * info) 
-{ 
-  iconv_t cd = (iconv_t)(-1); 
-  int flag; 
-       CtdlLogPrintf(0, "RSS: fill encoding info ...\n");
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN 
-  cd = iconv_open ("UCS-2LE", charset); 
-#else 
-  cd = iconv_open ("UCS-2BE", charset); 
-#endif 
-  if (cd == (iconv_t) (-1)) 
-    { 
-      return -1; 
-    } 
-  { 
-    unsigned short out; 
-    unsigned char buf[4]; 
-    unsigned int i0, i1, i2; 
-    int result; 
-    flag = 0; 
-    for (i0 = 0; i0 < 0x100; i0++) 
-      { 
-        buf[0] = i0; 
-        info->map[i0] = 0; 
-        //result = try (cd, buf, 1, &out); 
-        if (result < 0) 
-          { 
-          } 
-        else if (result > 0) 
-          { 
-            info->map[i0] = out; 
-          } 
-        else 
-          { 
-            for (i1 = 0; i1 < 0x100; i1++) 
-              { 
-                buf[1] = i1; 
-                ///result = try (cd, buf, 2, &out); 
-                if (result < 0) 
-                  { 
-                  } 
-                else if (result > 0) 
-                  { 
-                    flag++; 
-                    info->map[i0] = -2; 
-                  } 
-                else 
-                  { 
-                    for (i2 = 0; i2 < 0x100; i2++) 
-                      { 
-                        buf[2] = i2; 
-                        ////result = try (cd, buf, 3, &out); 
-                        if (result < 0) 
-                          { 
-                          } 
-                        else if (result > 0) 
-                          { 
-                            flag++; 
-                            info->map[i0] = -3; 
-                          } 
-                      } 
-                  } 
-              } 
-          } 
-      } 
-  } 
-  if (iconv_close (cd) < 0) 
-    { 
-      return -2; 
-    } 
-  return flag; 
-} 
-
-static int 
-iconv_convertor (void *data, const char *s) 
-{ 
-  XML_Encoding *info = data; 
-  int res; 
-       CtdlLogPrintf(0, "RSS: Converting ...\n");
-
-  if (s == NULL) 
-    return -1; 
-/*
-  GByteArray *result; 
-  result = g_byte_array_new (); 
-  if (process_block (info->data, (char *) s, strlen (s), result) == 0) 
-    { 
-      res = *(result->data); 
-      g_byte_array_free (result, TRUE); 
-      return res; 
-    } 
-  g_byte_array_free (result, TRUE); 
-*/
-  return -1; 
-} 
-
-static void 
-my_release (void *data) 
-{ 
-  iconv_t cd = (iconv_t) data; 
-  if (iconv_close (cd) != 0) 
-    { 
-/// TODO: uh no.      exit (1); 
-    } 
-} 
-int 
-handle_unknown_xml_encoding (void *encodingHandleData, 
-                            const XML_Char * name, 
-                            XML_Encoding * info) 
-{ 
-  int result; 
-  CtdlLogPrintf(0, "RSS: unknown encoding ...\n");
-  result = fill_encoding_info (name, info); 
-  if (result >= 0) 
-    { 
-      /*  
-        Special case: client asked for reverse conversion, we'll provide him with 
-        iconv descriptor which handles it. Client should release it by himself. 
-      */ 
-      if(encodingHandleData != NULL) 
-            *((iconv_t *)encodingHandleData) = iconv_open(name, "UTF-8"); 
-      /*  
-         Optimization: we do not need conversion function if encoding is one-to-one,  
-         info->map table will be enough  
-       */ 
-      if (result == 0) 
-        { 
-          info->data = NULL; 
-          info->convert = NULL; 
-          info->release = NULL; 
-          return 1; 
-        } 
-      /*  
-         We do need conversion function because this encoding uses multibyte sequences 
-       */ 
-      info->data = (void *) iconv_open ("UTF-8", name); 
-      if ((int)info->data == -1) 
-        return -1; 
-      info->convert = iconv_convertor; 
-      info->release = my_release; 
-      return 1; 
-    } 
-  if(encodingHandleData != NULL)  
-    *(iconv_t *)encodingHandleData = NULL; 
-  return 0; 
-} 
+struct rssnetcfg *rnclist = NULL;
+int RSSClientDebugEnabled = 0;
+#define N ((rss_aggregator*)IO->Data)->QRnumber
 
-#endif
-#endif
+#define DBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (RSSClientDebugEnabled != 0))
 
-/*
- * Commit a fetched and parsed RSS item to disk
- */
-void rss_save_item(rss_item *ri)
-{
+#define EVRSSC_syslog(LEVEL, FORMAT, ...)                              \
+       DBGLOG(LEVEL) syslog(LEVEL,                                     \
+                            "IO[%ld]CC[%d][%ld]RSS" FORMAT,            \
+                            IO->ID, CCID, N, __VA_ARGS__)
 
-       struct MD5Context md5context;
-       u_char rawdigest[MD5_DIGEST_LEN];
-       int i;
-       char utmsgid[SIZ];
-       struct cdbdata *cdbut;
-       struct UseTable ut;
-       struct CtdlMessage *msg;
-       struct recptypes *recp = NULL;
-       int msglen = 0;
+#define EVRSSCM_syslog(LEVEL, FORMAT)                                  \
+       DBGLOG(LEVEL) syslog(LEVEL,                                     \
+                            "IO[%ld]CC[%d][%ld]RSS" FORMAT,            \
+                            IO->ID, CCID, N)
 
-       recp = (struct recptypes *) malloc(sizeof(struct recptypes));
-       if (recp == NULL) return;
-       memset(recp, 0, sizeof(struct recptypes));
-       memset(&ut, 0, sizeof(struct UseTable));
-       recp->recp_room = strdup(ri->roomlist);
-       recp->num_room = num_tokens(ri->roomlist, '|');
-       recp->recptypes_magic = RECPTYPES_MAGIC;
-   
-       /* Construct a GUID to use in the S_USETABLE table.
-        * If one is not present in the item itself, make one up.
-        */
-       if (ri->guid != NULL) {
-               StrBufSpaceToBlank(ri->guid);
-               StrBufTrim(ri->guid);
-               snprintf(utmsgid, sizeof utmsgid, "rss/%s", ChrPtr(ri->guid));
-       }
-       else {
-               MD5Init(&md5context);
-               if (ri->title != NULL) {
-                       MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->title), StrLength(ri->title));
-               }
-               if (ri->link != NULL) {
-                       MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->link), StrLength(ri->link));
-               }
-               MD5Final(rawdigest, &md5context);
-               for (i=0; i<MD5_DIGEST_LEN; i++) {
-                       sprintf(&utmsgid[i*2], "%02X", (unsigned char) (rawdigest[i] & 0xff));
-                       utmsgid[i*2] = tolower(utmsgid[i*2]);
-                       utmsgid[(i*2)+1] = tolower(utmsgid[(i*2)+1]);
-               }
-               strcat(utmsgid, "_rss2ctdl");
-       }
+#define EVRSSQ_syslog(LEVEL, FORMAT, ...)                              \
+       DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT,                       \
+                            __VA_ARGS__)
+#define EVRSSQM_syslog(LEVEL, FORMAT)                  \
+       DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT)
 
-       /* Find out if we've already seen this item */
+#define EVRSSCSM_syslog(LEVEL, FORMAT)                                 \
+       DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]RSS" FORMAT,           \
+                            IO->ID, N)
 
-       cdbut = cdb_fetch(CDB_USETABLE, utmsgid, strlen(utmsgid));
-#if 0
-       if (cdbut != NULL) {
-               /* Item has already been seen */
-               CtdlLogPrintf(CTDL_DEBUG, "%s has already been seen\n", utmsgid);
-               cdb_free(cdbut);
-
-               /* rewrite the record anyway, to update the timestamp */
-               strcpy(ut.ut_msgid, utmsgid);
-               ut.ut_timestamp = time(NULL);
-               cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
-       }
-       else 
-#endif
+void DeleteRoomReference(long QRnumber)
 {
-               /* Item has not been seen, so save it. */
-               CtdlLogPrintf(CTDL_DEBUG, "RSS: saving item...\n");
-               if (ri->description == NULL) ri->description = NewStrBufPlain(HKEY(""));
-               StrBufSpaceToBlank(ri->description);
-               msg = malloc(sizeof(struct CtdlMessage));
-               memset(msg, 0, sizeof(struct CtdlMessage));
-               msg->cm_magic = CTDLMESSAGE_MAGIC;
-               msg->cm_anon_type = MES_NORMAL;
-               msg->cm_format_type = FMT_RFC822;
-
-               if (ri->guid != NULL) {
-                       msg->cm_fields['E'] = strdup(ChrPtr(ri->guid));
-               }
+       HashPos *At;
+       long HKLen;
+       const char *HK;
+       void *vData = NULL;
+       rss_room_counter *pRoomC;
 
-               if (ri->author_or_creator != NULL) {
-                       char *From;
-                       StrBuf *Encoded, *QPEncoded;
-                       StrBuf *UserName;
-                       StrBuf *EmailAddress;
-                       StrBuf *EncBuf;
-                       
-                       UserName = NewStrBuf();
-                       EmailAddress = NewStrBuf();
-                       EncBuf = NewStrBuf();
-////TODO!
-                       From = html_to_ascii(ChrPtr(ri->author_or_creator),
-                                            StrLength(ri->author_or_creator), 
-                                            512, 0);
-
-                       Encoded = NewStrBufPlain(From, -1);
-                       free(From);
-                       StrBufTrim(Encoded);
-                       QPEncoded = StrBufSanitizeEmailRecipientVector(Encoded, UserName, EmailAddress, EncBuf);
-                       msg->cm_fields['A'] = SmashStrBuf(&QPEncoded);
-
-                       FreeStrBuf(&Encoded);
-                       FreeStrBuf(&UserName);
-                       FreeStrBuf(&EmailAddress);
-                       FreeStrBuf(&EncBuf);
+       At = GetNewHashPos(RSSQueueRooms, 0);
 
+       if (GetHashPosFromKey(RSSQueueRooms, LKEY(QRnumber), At))
+       {
+               GetHashPos(RSSQueueRooms, At, &HKLen, &HK, &vData);
+               if (vData != NULL)
+               {
+                       pRoomC = (rss_room_counter *) vData;
+                       pRoomC->count --;
+                       if (pRoomC->count == 0)
+                               DeleteEntryFromHash(RSSQueueRooms, At);
                }
-               else {
-                       msg->cm_fields['A'] = strdup("rss");
-               }
-
-               msg->cm_fields['N'] = strdup(NODENAME);
-               if (ri->title != NULL) {
-                       long len;
-                       char *Sbj;
-                       StrBuf *Encoded, *QPEncoded;
-
-                       QPEncoded = NULL;
-                       StrBufSpaceToBlank(ri->title);
-                       len = StrLength(ri->title);
-                       Sbj = html_to_ascii(ChrPtr(ri->title), len, 512, 0);
-                       Encoded = NewStrBufPlain(Sbj, -1);
-                       free(Sbj);
-
-                       StrBufTrim(Encoded);
-                       StrBufRFC2047encode(&QPEncoded, Encoded);
+       }
+       DeleteHashPos(&At);
+}
 
-                       msg->cm_fields['U'] = SmashStrBuf(&QPEncoded);
-                       FreeStrBuf(&Encoded);
-               }
-               msg->cm_fields['T'] = malloc(64);
-               snprintf(msg->cm_fields['T'], 64, "%ld", ri->pubdate);
-               if (ri->channel_title != NULL) {
-                       if (StrLength(ri->channel_title) > 0) {
-                               msg->cm_fields['O'] = strdup(ChrPtr(ri->channel_title));
-                       }
+void UnlinkRooms(rss_aggregator *RSSAggr)
+{
+       DeleteRoomReference(RSSAggr->QRnumber);
+       if (RSSAggr->OtherQRnumbers != NULL)
+       {
+               long HKLen;
+               const char *HK;
+               HashPos *At;
+               void *vData;
+
+               At = GetNewHashPos(RSSAggr->OtherQRnumbers, 0);
+               while (! server_shutting_down &&
+                      GetNextHashPos(RSSAggr->OtherQRnumbers,
+                                     At,
+                                     &HKLen, &HK,
+                                     &vData) &&
+                      (vData != NULL))
+               {
+                       long *lData = (long*) vData;
+                       DeleteRoomReference(*lData);
                }
-               if (ri->link == NULL) 
-                       ri->link = NewStrBufPlain(HKEY(""));
-               msglen += 1024 + StrLength(ri->link) + StrLength(ri->description) ;
-               msg->cm_fields['M'] = malloc(msglen);
-               snprintf(msg->cm_fields['M'], msglen,
-                        "Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
-                        "<html><body>\n"
-                        "%s<br><br>\n"
-                        "<a href=\"%s\">%s</a><br>\n"
-                        "<a href=\"%s\">%s</a>\n"
-                        "</body></html>\n"
-                        ,
-                        ChrPtr(ri->description),
-                        ChrPtr(ri->link),
-                        (StrLength(ri->linkTitle)>0)?ChrPtr(ri->linkTitle):ChrPtr(ri->link),
-                        ChrPtr(ri->reLink),
-                        (StrLength(ri->reLinkTitle)>0)?ChrPtr(ri->reLinkTitle):"Reply to this"
-               );
-
-               CtdlSubmitMsg(msg, recp, NULL, 0);
-               CtdlFreeMessage(msg);
 
-               /* write the uidl to the use table so we don't store this item again */
-               strcpy(ut.ut_msgid, utmsgid);
-               ut.ut_timestamp = time(NULL);
-               cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
+               DeleteHashPos(&At);
        }
-       free_recipients(recp);
 }
 
-
-
-/*
- * Convert an RDF/RSS datestamp into a time_t
- */
-time_t rdf_parsedate(const char *p)
+void UnlinkRSSAggregator(rss_aggregator *RSSAggr)
 {
-       struct tm tm;
-       time_t t = 0;
-
-       if (!p) return 0L;
-       if (strlen(p) < 10) return 0L;
+       HashPos *At;
 
-       memset(&tm, 0, sizeof tm);
+       pthread_mutex_lock(&RSSQueueMutex);
+       UnlinkRooms(RSSAggr);
 
-       /*
-        * If the timestamp appears to be in W3C datetime format, try to
-        * parse it.  See also: http://www.w3.org/TR/NOTE-datetime
-        *
-        * This code, along with parsedate.c, is a potential candidate for
-        * moving into libcitadel.
-        */
-       if ( (p[4] == '-') && (p[7] == '-') ) {
-               tm.tm_year = atoi(&p[0]) - 1900;
-               tm.tm_mon = atoi(&p[5]) - 1;
-               tm.tm_mday = atoi(&p[8]);
-               if ( (p[10] == 'T') && (p[13] == ':') ) {
-                       tm.tm_hour = atoi(&p[11]);
-                       tm.tm_min = atoi(&p[14]);
-               }
-               return mktime(&tm);
+       At = GetNewHashPos(RSSFetchUrls, 0);
+       if (GetHashPosFromKey(RSSFetchUrls, SKEY(RSSAggr->Url), At))
+       {
+               DeleteEntryFromHash(RSSFetchUrls, At);
        }
-
-       /* hmm... try RFC822 date stamp format */
-
-       t = parsedate(p);
-       if (t > 0) return(t);
-
-       /* yeesh.  ok, just return the current date and time. */
-       return(time(NULL));
+       DeleteHashPos(&At);
+       last_run = time(NULL);
+       pthread_mutex_unlock(&RSSQueueMutex);
 }
 
-void flush_rss_item(rss_item *ri)
+void DeleteRssCfg(void *vptr)
 {
-       /* Initialize the feed item data structure */
-       FreeStrBuf(&ri->guid);
-       FreeStrBuf(&ri->title);
-       FreeStrBuf(&ri->link);
-       FreeStrBuf(&ri->author_or_creator);
-       FreeStrBuf(&ri->author_url);
-       FreeStrBuf(&ri->description);
-}
+       rss_aggregator *RSSAggr = (rss_aggregator *)vptr;
+       AsyncIO *IO = &RSSAggr->IO;
+       EVRSSCM_syslog(LOG_DEBUG, "RSS: destroying\n");
 
-void rss_xml_start(void *data, const char *supplied_el, const char **attr)
-{
-       rss_xml_handler *h;
-       rsscollection   *rssc = (rsscollection*) data;
-       rssnetcfg       *Cfg = rssc->Cfg;
-       rss_item        *ri = rssc->Item;
-       void            *pv;
-       const char      *pel;
-       char            *sep = NULL;
-
-       /* Axe the namespace, we don't care about it */
-///    CtdlLogPrintf(0, "RSS: supplied el %d: %s...\n", rssc->Cfg->ItemType, supplied_el);
-       pel = supplied_el;
-       while (sep = strchr(pel, ':'), sep) {
-               pel = sep + 1;
-       }
+       FreeStrBuf(&RSSAggr->Url);
+       FreeStrBuf(&RSSAggr->rooms);
+       FreeStrBuf(&RSSAggr->CData);
+       FreeStrBuf(&RSSAggr->Key);
+       DeleteHash(&RSSAggr->OtherQRnumbers);
 
-       if (pel != supplied_el)
-       {
-               void *v;
-               
-               if (!GetHash(KnownNameSpaces, 
-                            supplied_el, 
-                            pel - supplied_el - 1,
-                            &v))
-               {
-                       CtdlLogPrintf(0, "RSS: START ignoring because of wrong namespace [%s] = [%s]\n", 
-                                     supplied_el);
-                       return;
-               }
-       }
+       DeleteHashPos (&RSSAggr->Pos);
+       DeleteHash (&RSSAggr->Messages);
+       if (RSSAggr->recp.recp_room != NULL)
+               free(RSSAggr->recp.recp_room);
 
-       StrBufPlain(rssc->Key, pel, -1);
-       StrBufLowerCase(rssc->Key);
-       if (GetHash(StartHandlers, SKEY(rssc->Key), &pv))
+
+       if (RSSAggr->Item != NULL)
        {
-               rssc->Current = h = (rss_xml_handler*) pv;
+               flush_rss_item(RSSAggr->Item);
 
-               if (((h->Flags & RSS_UNSET) != 0) && 
-                   (Cfg->ItemType == RSS_UNSET))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, attr);
-               }
-               else if (((h->Flags & RSS_RSS) != 0) &&
-                   (Cfg->ItemType == RSS_RSS))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, attr);
-               }
-               else if (((h->Flags & RSS_ATOM) != 0) &&
-                        (Cfg->ItemType == RSS_ATOM))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, attr);                 
-               }
-               else 
-                       CtdlLogPrintf(0, "RSS: START unhandled: [%s] [%s]...\n", pel, supplied_el);
+               free(RSSAggr->Item);
        }
-       else 
-               CtdlLogPrintf(0, "RSS: START unhandled: [%s] [%s]...\n", pel,  supplied_el);
 
+       FreeAsyncIOContents(&RSSAggr->IO);
+       memset(RSSAggr, 0, sizeof(rss_aggregator));
+       free(RSSAggr);
 }
 
-void rss_xml_end(void *data, const char *supplied_el)
+eNextState RSSAggregator_Terminate(AsyncIO *IO)
 {
-       rss_xml_handler *h;
-       rsscollection   *rssc = (rsscollection*) data;
-       rssnetcfg       *Cfg = rssc->Cfg;
-       rss_item        *ri = rssc->Item;
-       const char      *pel;
-       char            *sep = NULL;
-       void            *pv;
-
-       /* Axe the namespace, we don't care about it */
-       pel = supplied_el;
-       while (sep = strchr(pel, ':'), sep) {
-               pel = sep + 1;
-       }
-//     CtdlLogPrintf(0, "RSS: END %s...\n", el);
-       if (pel != supplied_el)
-       {
-               void *v;
-               
-               if (!GetHash(KnownNameSpaces, 
-                            supplied_el, 
-                            pel - supplied_el - 1,
-                            &v))
-               {
-                       CtdlLogPrintf(0, "RSS: END ignoring because of wrong namespace [%s] = [%s]\n", 
-                                     supplied_el, ChrPtr(rssc->CData));
-                       FlushStrBuf(rssc->CData);
-                       return;
-               }
-       }
+       rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
 
-       StrBufPlain(rssc->Key, pel, -1);
-       StrBufLowerCase(rssc->Key);
-       if (GetHash(EndHandlers, SKEY(rssc->Key), &pv))
-       {
-               h = (rss_xml_handler*) pv;
+       EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
 
-               if (((h->Flags & RSS_UNSET) != 0) && 
-                   (Cfg->ItemType == RSS_UNSET))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, NULL);
-               }
-               else if (((h->Flags & RSS_RSS) != 0) &&
-                   (Cfg->ItemType == RSS_RSS))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, NULL);
-               }
-               else if (((h->Flags & RSS_ATOM) != 0) &&
-                        (Cfg->ItemType == RSS_ATOM))
-               {
-                       h->Handler(rssc->CData, ri, Cfg, NULL);
-               }
-               else 
-                       CtdlLogPrintf(0, "RSS: END   unhandled: [%s]  [%s] = [%s]...\n", pel, supplied_el, ChrPtr(rssc->CData));
-                       
-       }
-       else 
-               CtdlLogPrintf(0, "RSS: END   unhandled: [%s]  [%s] = [%s]...\n", pel, supplied_el, ChrPtr(rssc->CData));
-       FlushStrBuf(rssc->CData);
-       rssc->Current = NULL;
+       StopCurlWatchers(IO);
+       UnlinkRSSAggregator(RSSAggr);
+       return eAbort;
 }
 
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO)
+{
+       rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
 
+       EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
 
 
+       StopDBWatchers(&RSSAggr->IO);
+       UnlinkRSSAggregator(RSSAggr);
+       return eAbort;
+}
 
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO)
+{
+       const char *pUrl;
+       rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
 
+       pUrl = IO->ConnectMe->PlainUrl;
+       if (pUrl == NULL)
+               pUrl = "";
 
+       EVRSSC_syslog(LOG_DEBUG, "RSS: Aborting by shutdown: %s.\n", pUrl);
 
-
-
-
-
-
-
-
-
-void RSS_item_rss_start (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       CtdlLogPrintf(CTDL_DEBUG, "RSS: This is an RSS feed.\n");
-       Cfg->ItemType = RSS_RSS;
-}
-
-void RSS_item_rdf_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       CtdlLogPrintf(CTDL_DEBUG, "RSS: This is an RDF feed.\n");
-       Cfg->ItemType = RSS_RSS;
+       StopCurlWatchers(IO);
+       UnlinkRSSAggregator(RSSAggr);
+       return eAbort;
 }
 
-void ATOM_item_feed_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+void AppendLink(StrBuf *Message,
+               StrBuf *link,
+               StrBuf *LinkTitle,
+               const char *Title)
 {
-       CtdlLogPrintf(CTDL_DEBUG, "RSS: This is an ATOM feed.\n");
-       Cfg->ItemType = RSS_ATOM;
+       if (StrLength(link) > 0)
+       {
+               StrBufAppendBufPlain(Message, HKEY("<a href=\""), 0);
+               StrBufAppendBuf(Message, link, 0);
+               StrBufAppendBufPlain(Message, HKEY("\">"), 0);
+               if (StrLength(LinkTitle) > 0)
+                       StrBufAppendBuf(Message, LinkTitle, 0);
+               else if ((Title != NULL) && !IsEmptyStr(Title))
+                       StrBufAppendBufPlain(Message, Title, -1, 0);
+               else
+                       StrBufAppendBuf(Message, link, 0);
+               StrBufAppendBufPlain(Message, HKEY("</a><br>\n"), 0);
+       }
 }
 
 
-void RSS_item_item_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+void rss_format_item(networker_save_message *SaveMsg)
 {
-       ri->item_tag_nesting ++;
-       flush_rss_item(ri);
-}
+       StrBuf *Message;
+       int msglen = 0;
 
-void ATOM_item_entry_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-/* Atom feed... */
-       ri->item_tag_nesting ++;
-       flush_rss_item(ri);
-}
+       if (SaveMsg->author_or_creator != NULL) {
 
-void ATOM_item_link_start (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       int i;
-       const char *pHref = NULL;
-       const char *pType = NULL;
-       const char *pRel = NULL;
-       const char *pTitle = NULL;
+               char *From;
+               StrBuf *Encoded = NULL;
+               int FromAt;
 
-       for (i = 0; Attr[i] != NULL; i+=2)
-       {
-               if (!strcmp(Attr[i], "href"))
-               {
-                       pHref = Attr[i+1];
-               }
-               else if (!strcmp(Attr[i], "rel"))
-               {
-                       pRel = Attr[i+1];
-               }
-               else if (!strcmp(Attr[i], "type"))
-               {
-                       pType = Attr[i+1];
-               }
-               else if (!strcmp(Attr[i], "title"))
-               {
-                       pTitle = Attr[i+1];
-               }
-       }
-       if (pHref == NULL)
-               return; /* WHUT? Pointing... where? */
-       if ((pType != NULL) && !strcasecmp(pType, "application/atom+xml"))
-               return; /* these just point to other rss resources, we're not interested in them. */
-       if (pRel != NULL)
-       {
-               if (!strcasecmp (pRel, "replies"))
-               {
-                       NewStrBufDupAppendFlush(&ri->reLink, NULL, pHref, -1);
-                       StrBufTrim(ri->link);
-                       NewStrBufDupAppendFlush(&ri->reLinkTitle, NULL, pTitle, -1);
-               }
-               else if (!strcasecmp(pRel, "alternate")) /* Alternative representation of this Item... */
-               {
-                       NewStrBufDupAppendFlush(&ri->link, NULL, pHref, -1);
-                       StrBufTrim(ri->link);
-                       NewStrBufDupAppendFlush(&ri->linkTitle, NULL, pTitle, -1);
+               From = html_to_ascii(ChrPtr(SaveMsg->author_or_creator),
+                                    StrLength(SaveMsg->author_or_creator),
+                                    512, 0);
+               StrBufPlain(SaveMsg->author_or_creator, From, -1);
+               StrBufTrim(SaveMsg->author_or_creator);
+               free(From);
 
-               }
-#if 0 /* these are also defined, but dunno what to do with them.. */
-               else if (!strcasecmp(pRel, "related"))
+               FromAt = strchr(ChrPtr(SaveMsg->author_or_creator), '@') != NULL;
+               if (!FromAt && StrLength (SaveMsg->author_email) > 0)
                {
+                       StrBufRFC2047encode(&Encoded, SaveMsg->author_or_creator);
+                       SaveMsg->Msg.cm_fields['A'] = SmashStrBuf(&Encoded);
+                       SaveMsg->Msg.cm_fields['P'] =
+                               SmashStrBuf(&SaveMsg->author_email);
                }
-               else if (!strcasecmp(pRel, "self"))
+               else
                {
+                       if (FromAt)
+                       {
+                               SaveMsg->Msg.cm_fields['A'] =
+                                       SmashStrBuf(&SaveMsg->author_or_creator);
+                               SaveMsg->Msg.cm_fields['P'] =
+                                       strdup(SaveMsg->Msg.cm_fields['A']);
+                       }
+                       else
+                       {
+                               StrBufRFC2047encode(&Encoded,
+                                                   SaveMsg->author_or_creator);
+                               SaveMsg->Msg.cm_fields['A'] =
+                                       SmashStrBuf(&Encoded);
+                               SaveMsg->Msg.cm_fields['P'] =
+                                       strdup("rss@localhost");
+
+                       }
                }
-               else if (!strcasecmp(pRel, "enclosure"))
-               {/* this reference can get big, and is probably the full article... */
-               }
-               else if (!strcasecmp(pRel, "via"))
-               {/* this article was provided via... */
-               }
-#endif
        }
-       else if (StrLength(ri->link) == 0)
-       {
-               NewStrBufDupAppendFlush(&ri->link, NULL, pHref, -1);
-               StrBufTrim(ri->link);
-               NewStrBufDupAppendFlush(&ri->linkTitle, NULL, pTitle, -1);
+       else {
+               SaveMsg->Msg.cm_fields['A'] = strdup("rss");
        }
-}
-
 
+       SaveMsg->Msg.cm_fields['N'] = strdup(NODENAME);
+       if (SaveMsg->title != NULL) {
+               long len;
+               char *Sbj;
+               StrBuf *Encoded, *QPEncoded;
 
+               QPEncoded = NULL;
+               StrBufSpaceToBlank(SaveMsg->title);
+               len = StrLength(SaveMsg->title);
+               Sbj = html_to_ascii(ChrPtr(SaveMsg->title), len, 512, 0);
+               len = strlen(Sbj);
+               if ((len > 0) && (Sbj[len - 1] == '\n'))
+               {
+                       len --;
+                       Sbj[len] = '\0';
+               }
+               Encoded = NewStrBufPlain(Sbj, len);
+               free(Sbj);
 
-void ATOMRSS_item_title_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if ((ri->item_tag_nesting == 0) && (StrLength(CData) > 0)) {
-               NewStrBufDupAppendFlush(&ri->channel_title, CData, NULL, 0);
-               StrBufTrim(ri->channel_title);
-       }
-}
+               StrBufTrim(Encoded);
+               StrBufRFC2047encode(&QPEncoded, Encoded);
 
-void RSS_item_guid_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->guid, CData, NULL, 0);
+               SaveMsg->Msg.cm_fields['U'] = SmashStrBuf(&QPEncoded);
+               FreeStrBuf(&Encoded);
        }
-}
+       if (SaveMsg->link == NULL)
+               SaveMsg->link = NewStrBufPlain(HKEY(""));
 
-void ATOM_item_id_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->guid, CData, NULL, 0);
-       }
-}
+#if 0 /* temporarily disable shorter urls. */
+       SaveMsg->Msg.cm_fields[TMP_SHORTER_URLS] =
+               GetShorterUrls(SaveMsg->description);
+#endif
 
+       msglen += 1024 + StrLength(SaveMsg->link) + StrLength(SaveMsg->description) ;
 
-void RSS_item_link_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->link, CData, NULL, 0);
-               StrBufTrim(ri->link);
-       }
-}
+       Message = NewStrBufPlain(NULL, msglen);
 
-void RSSATOM_item_title_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->title, CData, NULL, 0);
-               StrBufTrim(ri->title);
-       }
-}
+       StrBufPlain(Message, HKEY(
+                           "Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
+                           "<html><body>\n"));
+#if 0 /* disable shorter url for now. */
+       SaveMsg->Msg.cm_fields[TMP_SHORTER_URL_OFFSET] = StrLength(Message);
+#endif
+       StrBufAppendBuf(Message, SaveMsg->description, 0);
+       StrBufAppendBufPlain(Message, HKEY("<br><br>\n"), 0);
 
-void ATOM_item_content_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
-               StrBufTrim(ri->description);
-       }
-}
-void ATOM_item_summary_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       /* this can contain an abstract of the article. but we don't want to verwrite a full document if we already have it. */
-       if ((StrLength(CData) > 0) && (StrLength(ri->description) == 0))
-       {
-               NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
-               StrBufTrim(ri->description);
-       }
-}
+       AppendLink(Message, SaveMsg->link, SaveMsg->linkTitle, NULL);
+       AppendLink(Message, SaveMsg->reLink, SaveMsg->reLinkTitle, "Reply to this");
+       StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
 
-void RSS_item_description_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
-       }
-}
 
-void ATOM_item_published_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{                
-       if (StrLength(CData) > 0) {
-               StrBufTrim(CData);
-               ri->pubdate = rdf_parsedate(ChrPtr(CData));
-       }
+       SaveMsg->Message = Message;
 }
 
-void ATOM_item_updated_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+eNextState RSSSaveMessage(AsyncIO *IO)
 {
-       if (StrLength(CData) > 0) {
-               StrBufTrim(CData);
-               ri->pubdate = rdf_parsedate(ChrPtr(CData));
-       }
-}
+       long len;
+       const char *Key;
+       rss_aggregator *RSSAggr = (rss_aggregator *) IO->Data;
 
-void RSS_item_pubdate_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               StrBufTrim(CData);
-               ri->pubdate = rdf_parsedate(ChrPtr(CData));
-       }
-}
+       rss_format_item(RSSAggr->ThisMsg);
 
+       RSSAggr->ThisMsg->Msg.cm_fields['M'] =
+               SmashStrBuf(&RSSAggr->ThisMsg->Message);
 
-void RSS_item_date_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               StrBufTrim(CData);
-               ri->pubdate = rdf_parsedate(ChrPtr(CData));
-       }
-}
-
+       CtdlSubmitMsg(&RSSAggr->ThisMsg->Msg, &RSSAggr->recp, NULL, 0);
 
+       /* write the uidl to the use table so we don't store this item again */
+       cdb_store(CDB_USETABLE,
+                 SKEY(RSSAggr->ThisMsg->MsgGUID),
+                 &RSSAggr->ThisMsg->ut,
+                 sizeof(struct UseTable) );
 
-void RSS_item_author_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
-               StrBufTrim(ri->author_or_creator);
-       }
+       if (GetNextHashPos(RSSAggr->Messages,
+                          RSSAggr->Pos,
+                          &len, &Key,
+                          (void**) &RSSAggr->ThisMsg))
+               return NextDBOperation(IO, RSS_FetchNetworkUsetableEntry);
+       else
+               return eAbort;
 }
 
-
-void ATOM_item_name_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
 {
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
-               StrBufTrim(ri->author_or_creator);
-       }
-}
+       const char *Key;
+       long len;
+       struct cdbdata *cdbut;
+       rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
 
-void RSS_item_creator_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if ((StrLength(CData) > 0) && 
-           (StrLength(ri->author_or_creator) == 0))
-       {
-               NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
-               StrBufTrim(ri->author_or_creator);
-       }
-}
+       /* Find out if we've already seen this item */
+       strcpy(Ctx->ThisMsg->ut.ut_msgid,
+              ChrPtr(Ctx->ThisMsg->MsgGUID)); /// TODO
+       Ctx->ThisMsg->ut.ut_timestamp = time(NULL);
 
+       cdbut = cdb_fetch(CDB_USETABLE, SKEY(Ctx->ThisMsg->MsgGUID));
+#ifndef DEBUG_RSS
+       if (cdbut != NULL) {
+               /* Item has already been seen */
+               EVRSSC_syslog(LOG_DEBUG,
+                         "%s has already been seen\n",
+                         ChrPtr(Ctx->ThisMsg->MsgGUID));
+               cdb_free(cdbut);
 
-void ATOM_item_uri_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       if (StrLength(CData) > 0) {
-               NewStrBufDupAppendFlush(&ri->author_url, CData, NULL, 0);
-               StrBufTrim(ri->author_url);
+               /* rewrite the record anyway, to update the timestamp */
+               cdb_store(CDB_USETABLE,
+                         SKEY(Ctx->ThisMsg->MsgGUID),
+                         &Ctx->ThisMsg->ut, sizeof(struct UseTable) );
+
+               if (GetNextHashPos(Ctx->Messages,
+                                  Ctx->Pos,
+                                  &len, &Key,
+                                  (void**) &Ctx->ThisMsg))
+                       return NextDBOperation(
+                               IO,
+                               RSS_FetchNetworkUsetableEntry);
+               else
+                       return eAbort;
+       }
+       else
+#endif
+       {
+               NextDBOperation(IO, RSSSaveMessage);
+               return eSendMore;
        }
 }
 
-void RSS_item_item_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       --ri->item_tag_nesting;
-       rss_save_item(ri);
-}
-
-
-void ATOM_item_entry_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-       --ri->item_tag_nesting;
-       rss_save_item(ri);
-}
-
-void RSS_item_rss_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-//             CtdlLogPrintf(CTDL_DEBUG, "End of feed detected.  Closing parser.\n");
-       ri->done_parsing = 1;
-       
-}
-void RSS_item_rdf_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
-{
-//             CtdlLogPrintf(CTDL_DEBUG, "End of feed detected.  Closing parser.\n");
-       ri->done_parsing = 1;
-}
-
-
-void RSSATOM_item_ignore(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+eNextState RSSAggregator_AnalyseReply(AsyncIO *IO)
 {
-}
-
-
-
-
-
-
-
-
-
-
-
-/*
- * This callback stores up the data which appears in between tags.
- */
-void rss_xml_cdata_start(void *data) 
-{
-       rsscollection *rssc = (rsscollection*) data;
+       struct UseTable ut;
+       u_char rawdigest[MD5_DIGEST_LEN];
+       struct MD5Context md5context;
+       StrBuf *guid;
+       struct cdbdata *cdbut;
+       rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
 
-       FlushStrBuf(rssc->CData);
-}
+       if (IO->HttpReq.httpcode != 200)
+       {
+               StrBuf *ErrMsg;
+               long lens[2];
+               const char *strs[2];
 
-void rss_xml_cdata_end(void *data) 
-{
-       //rsscollection   *rssc = (rsscollection*) data;
-       //rss_item        *ri = rssc->Item;
+               ErrMsg = NewStrBuf();
+               EVRSSC_syslog(LOG_ALERT, "need a 200, got a %ld !\n",
+                             IO->HttpReq.httpcode);
+               
+               strs[0] = ChrPtr(Ctx->Url);
+               lens[0] = StrLength(Ctx->Url);
+
+               strs[1] = ChrPtr(Ctx->rooms);
+               lens[1] = StrLength(Ctx->rooms);
+               StrBufPrintf(ErrMsg,
+                            "Error while RSS-Aggregation Run of %s\n"
+                            " need a 200, got a %ld !\n"
+                            " Response text was: \n"
+                            " \n %s\n",
+                            ChrPtr(Ctx->Url),
+                            IO->HttpReq.httpcode,
+                            ChrPtr(IO->HttpReq.ReplyData));
+               CtdlAideFPMessage(
+                       ChrPtr(ErrMsg),
+                       "RSS Aggregation run failure",
+                       2, strs, (long*) &lens);
+               FreeStrBuf(&ErrMsg);
+               return eAbort;
+       }
+
+       MD5Init(&md5context);
+
+       MD5Update(&md5context,
+                 (const unsigned char*)SKEY(IO->HttpReq.ReplyData));
+
+       MD5Update(&md5context,
+                 (const unsigned char*)SKEY(Ctx->Url));
+
+       MD5Final(rawdigest, &md5context);
+       guid = NewStrBufPlain(NULL,
+                             MD5_DIGEST_LEN * 2 + 12 /* _rss2ctdl*/);
+       StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
+       StrBufAppendBufPlain(guid, HKEY("_rssFM"), 0);
+       if (StrLength(guid) > 40)
+               StrBufCutAt(guid, 40, NULL);
+       /* Find out if we've already seen this item */
+       memcpy(ut.ut_msgid, SKEY(guid));
+       ut.ut_timestamp = time(NULL);
 
-       /* Hm, it seems as if in some CDATA cases expat doesn't call the handler... * /
-       if (rssc->Current == NULL)
-               NewStrBufDupAppendFlush(&ri->description, rssc->CData, NULL, 0);
-       */
-}
-void rss_xml_chardata(void *data, const XML_Char *s, int len) 
-{
-       rsscollection *rssc = (rsscollection*) data;
+       cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
+#ifndef DEBUG_RSS
+       if (cdbut != NULL) {
+               /* Item has already been seen */
+               EVRSSC_syslog(LOG_DEBUG,
+                             "%s has already been seen\n",
+                             ChrPtr(Ctx->Url));
+               cdb_free(cdbut);
+       }
 
-       StrBufAppendBufPlain (rssc->CData, s, len, 0);
+       /* rewrite the record anyway, to update the timestamp */
+       cdb_store(CDB_USETABLE,
+                 SKEY(guid),
+                 &ut, sizeof(struct UseTable) );
+       FreeStrBuf(&guid);
+       if (cdbut != NULL) return eAbort;
+#endif
+       return RSSAggregator_ParseReply(IO);
 }
 
-/*
- * Callback function for passing libcurl's output to expat for parsing
- */
-size_t rss_libcurl_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+eNextState RSSAggregator_FinishHttp(AsyncIO *IO)
 {
-       XML_Parse((XML_Parser)stream, ptr, (size * nmemb), 0);
-       return (size*nmemb);
+       return QueueDBOperation(IO, RSSAggregator_AnalyseReply);
 }
 
-
-
 /*
  * Begin a feed parse
  */
-void rss_do_fetching(rssnetcfg *Cfg) {
-       rsscollection rssc;
-       rss_item ri;
-       XML_Parser xp;
-
-       CURL *curl;
-       CURLcode res;
-       char errmsg[1024] = "";
+int rss_do_fetching(rss_aggregator *RSSAggr)
+{
+       AsyncIO         *IO = &RSSAggr->IO;
+       rss_item *ri;
+       time_t now;
 
-       memset(&ri, 0, sizeof(rss_item));
-       rssc.Item = &ri;
-       rssc.Cfg = Cfg;
+       now = time(NULL);
 
-       CtdlLogPrintf(CTDL_DEBUG, "Fetching RSS feed <%s>\n", Cfg->url);
+       if ((RSSAggr->next_poll != 0) && (now < RSSAggr->next_poll))
+               return 0;
 
-       curl = curl_easy_init();
-       if (!curl) {
-               CtdlLogPrintf(CTDL_ALERT, "Unable to initialize libcurl.\n");
-               return;
-       }
+       ri = (rss_item*) malloc(sizeof(rss_item));
+       memset(ri, 0, sizeof(rss_item));
+       RSSAggr->Item = ri;
 
-       xp = XML_ParserCreateNS("UTF-8", ':');
-       if (!xp) {
-               CtdlLogPrintf(CTDL_ALERT, "Cannot create XML parser!\n");
-               curl_easy_cleanup(curl);
-               return;
-       }
-       rssc.CData = NewStrBufPlain(NULL, SIZ);
-       rssc.Key = NewStrBuf();
-       curl_easy_setopt(curl, CURLOPT_URL, Cfg->url);
-       curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
-       curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
-       curl_easy_setopt(curl, CURLOPT_WRITEDATA, xp);
-       curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, rss_libcurl_callback);
-       curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
-       curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
-#ifdef CURLOPT_HTTP_CONTENT_DECODING
-       curl_easy_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 1);
-       curl_easy_setopt(curl, CURLOPT_ENCODING, "");
-#endif
-       curl_easy_setopt(curl, CURLOPT_USERAGENT, CITADEL);
-       curl_easy_setopt(curl, CURLOPT_TIMEOUT, 180);           /* die after 180 seconds */
-       if (
-               (!IsEmptyStr(config.c_ip_addr))
-               && (strcmp(config.c_ip_addr, "*"))
-               && (strcmp(config.c_ip_addr, "::"))
-               && (strcmp(config.c_ip_addr, "0.0.0.0"))
-       ) {
-               curl_easy_setopt(curl, CURLOPT_INTERFACE, config.c_ip_addr);
-       }
-
-       memset(&ri, 0, sizeof(rss_item));
-       ri.roomlist = Cfg->rooms;
-#ifdef HAVE_ICONV
-#if 0
-       XML_SetUnknownEncodingHandler(xp,
-                                     handle_unknown_xml_encoding,
-                                     NULL);
-#endif
-#endif
-       XML_SetElementHandler(xp, rss_xml_start, rss_xml_end);
-       XML_SetCharacterDataHandler(xp, rss_xml_chardata);
-       XML_SetUserData(xp, &rssc);
-       XML_SetCdataSectionHandler(xp,
-                                  rss_xml_cdata_start,
-                                  rss_xml_cdata_end);
-       if (CtdlThreadCheckStop())
+       if (! InitcURLIOStruct(&RSSAggr->IO,
+                              RSSAggr,
+                              "Citadel RSS Client",
+                              RSSAggregator_FinishHttp,
+                              RSSAggregator_Terminate,
+                              RSSAggregator_TerminateDB,
+                              RSSAggregator_ShutdownAbort))
        {
-               XML_ParserFree(xp);
-               curl_easy_cleanup(curl);
-               return;
-       }
-       
-       if (CtdlThreadCheckStop())
-               goto shutdown ;
-
-       res = curl_easy_perform(curl);
-       if (res) {
-               CtdlLogPrintf(CTDL_ALERT, "libcurl error %d: %s\n", res, errmsg);
+               EVRSSCM_syslog(LOG_ALERT, "Unable to initialize libcurl.\n");
+               return 0;
        }
 
-       if (CtdlThreadCheckStop())
-               goto shutdown ;
-
-       if (ri.done_parsing == 0)
-               XML_Parse(xp, "", 0, 1);
-
+       safestrncpy(((CitContext*)RSSAggr->IO.CitContext)->cs_host,
+                   ChrPtr(RSSAggr->Url),
+                   sizeof(((CitContext*)RSSAggr->IO.CitContext)->cs_host));
 
-       CtdlLogPrintf(CTDL_ALERT, "RSS: XML Status [%s] \n", 
-                     XML_ErrorString(
-                             XML_GetErrorCode(xp)));
+       EVRSSC_syslog(LOG_DEBUG, "Fetching RSS feed <%s>\n", ChrPtr(RSSAggr->Url));
+       ParseURL(&RSSAggr->IO.ConnectMe, RSSAggr->Url, 80);
+       CurlPrepareURL(RSSAggr->IO.ConnectMe);
 
-shutdown:
-       curl_easy_cleanup(curl);
-       XML_ParserFree(xp);
-
-       flush_rss_item(&ri);
-       FreeStrBuf(&rssc.CData);
-       FreeStrBuf(&rssc.Key);
+       QueueCurlContext(&RSSAggr->IO);
+       return 1;
 }
 
-
 /*
  * Scan a room's netconfig to determine whether it is requesting any RSS feeds
  */
 void rssclient_scan_room(struct ctdlroom *qrbuf, void *data)
 {
+       StrBuf *CfgData=NULL;
+       StrBuf *CfgType;
+       StrBuf *Line;
+       rss_room_counter *Count = NULL;
+       struct stat statbuf;
        char filename[PATH_MAX];
-       char buf[1024];
-       char instr[32];
-       FILE *fp;
-       char feedurl[256];
-       rssnetcfg *rncptr = NULL;
-       rssnetcfg *use_this_rncptr = NULL;
-       int len = 0;
-       char *ptr = NULL;
+       int fd;
+       int Done;
+       rss_aggregator *RSSAggr = NULL;
+       rss_aggregator *use_this_RSSAggr = NULL;
+       void *vptr;
+       const char *CfgPtr, *lPtr;
+       const char *Err;
+
+       pthread_mutex_lock(&RSSQueueMutex);
+       if (GetHash(RSSQueueRooms, LKEY(qrbuf->QRnumber), &vptr))
+       {
+               EVRSSQ_syslog(LOG_DEBUG,
+                             "rssclient: [%ld] %s already in progress.\n",
+                             qrbuf->QRnumber,
+                             qrbuf->QRname);
+               pthread_mutex_unlock(&RSSQueueMutex);
+               return;
+       }
+       pthread_mutex_unlock(&RSSQueueMutex);
 
        assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
 
-       if (CtdlThreadCheckStop())
+       if (server_shutting_down)
                return;
-               
+
        /* Only do net processing for rooms that have netconfigs */
-       fp = fopen(filename, "r");
-       if (fp == NULL) {
+       fd = open(filename, 0);
+       if (fd <= 0) {
+               /* syslog(LOG_DEBUG,
+                  "rssclient: %s no config.\n",
+                  qrbuf->QRname); */
                return;
        }
 
-       while (fgets(buf, sizeof buf, fp) != NULL && !CtdlThreadCheckStop()) {
-               buf[strlen(buf)-1] = 0;
-
-               extract_token(instr, buf, 0, '|', sizeof instr);
-               if (!strcasecmp(instr, "rssclient")) {
+       if (server_shutting_down)
+               return;
 
-                       use_this_rncptr = NULL;
+       if (fstat(fd, &statbuf) == -1) {
+               EVRSSQ_syslog(LOG_DEBUG,
+                             "ERROR: could not stat configfile '%s' - %s\n",
+                             filename,
+                             strerror(errno));
+               return;
+       }
 
-                       extract_token(feedurl, buf, 1, '|', sizeof feedurl);
+       if (server_shutting_down)
+               return;
 
-                       /* If any other rooms have requested the same feed, then we will just add this
-                        * room to the target list for that client request.
-                        */
-                       for (rncptr=rnclist; rncptr!=NULL; rncptr=rncptr->next) {
-                               if (!strcmp(rncptr->url, feedurl)) {
-                                       use_this_rncptr = rncptr;
-                               }
-                       }
+       CfgData = NewStrBufPlain(NULL, statbuf.st_size + 1);
 
-                       /* Otherwise create a new client request */
-                       if (use_this_rncptr == NULL) {
-                               rncptr = (rssnetcfg *) malloc(sizeof(rssnetcfg));
-                               rncptr->ItemType = RSS_UNSET;
-                               if (rncptr != NULL) {
-                                       rncptr->next = rnclist;
-                                       safestrncpy(rncptr->url, feedurl, sizeof rncptr->url);
-                                       rncptr->rooms = NULL;
-                                       rnclist = rncptr;
-                                       use_this_rncptr = rncptr;
-                               }
-                       }
+       if (StrBufReadBLOB(CfgData, &fd, 1, statbuf.st_size, &Err) < 0) {
+               close(fd);
+               FreeStrBuf(&CfgData);
+               EVRSSQ_syslog(LOG_ERR, "ERROR: reading config '%s' - %s<br>\n",
+                             filename, strerror(errno));
+               return;
+       }
+       close(fd);
+       if (server_shutting_down)
+               return;
 
-                       /* Add the room name to the request */
-                       if (use_this_rncptr != NULL) {
-                               if (use_this_rncptr->rooms == NULL) {
-                                       rncptr->rooms = strdup(qrbuf->QRname);
+       CfgPtr = NULL;
+       CfgType = NewStrBuf();
+       Line = NewStrBufPlain(NULL, StrLength(CfgData));
+       Done = 0;
+       while (!Done)
+       {
+               Done = StrBufSipLine(Line, CfgData, &CfgPtr) == 0;
+               if (StrLength(Line) > 0)
+               {
+                       lPtr = NULL;
+                       StrBufExtract_NextToken(CfgType, Line, &lPtr, '|');
+                       if (!strcasecmp("rssclient", ChrPtr(CfgType)))
+                       {
+                               if (Count == NULL)
+                               {
+                                       Count = malloc(
+                                               sizeof(rss_room_counter));
+                                       Count->count = 0;
                                }
-                               else {
-                                       len = strlen(use_this_rncptr->rooms) + strlen(qrbuf->QRname) + 5;
-                                       ptr = realloc(use_this_rncptr->rooms, len);
-                                       if (ptr != NULL) {
-                                               strcat(ptr, "|");
-                                               strcat(ptr, qrbuf->QRname);
-                                               use_this_rncptr->rooms = ptr;
+                               Count->count ++;
+                               RSSAggr = (rss_aggregator *) malloc(
+                                       sizeof(rss_aggregator));
+
+                               memset (RSSAggr, 0, sizeof(rss_aggregator));
+                               RSSAggr->QRnumber = qrbuf->QRnumber;
+                               RSSAggr->roomlist_parts = 1;
+                               RSSAggr->Url = NewStrBuf();
+
+                               StrBufExtract_NextToken(RSSAggr->Url,
+                                                       Line,
+                                                       &lPtr,
+                                                       '|');
+
+                               pthread_mutex_lock(&RSSQueueMutex);
+                               GetHash(RSSFetchUrls,
+                                       SKEY(RSSAggr->Url),
+                                       &vptr);
+
+                               use_this_RSSAggr = (rss_aggregator *)vptr;
+                               if (use_this_RSSAggr != NULL)
+                               {
+                                       long *QRnumber;
+                                       StrBufAppendBufPlain(
+                                               use_this_RSSAggr->rooms,
+                                               qrbuf->QRname,
+                                               -1, 0);
+                                       if (use_this_RSSAggr->roomlist_parts==1)
+                                       {
+                                               use_this_RSSAggr->OtherQRnumbers
+                                                       = NewHash(1, lFlathash);
                                        }
+                                       QRnumber = (long*)malloc(sizeof(long));
+                                       *QRnumber = qrbuf->QRnumber;
+                                       Put(use_this_RSSAggr->OtherQRnumbers,
+                                           LKEY(qrbuf->QRnumber),
+                                           QRnumber,
+                                           NULL);
+                                       use_this_RSSAggr->roomlist_parts++;
+
+                                       pthread_mutex_unlock(&RSSQueueMutex);
+
+                                       FreeStrBuf(&RSSAggr->Url);
+                                       free(RSSAggr);
+                                       RSSAggr = NULL;
+                                       continue;
                                }
-                       }
-               }
+                               pthread_mutex_unlock(&RSSQueueMutex);
 
-       }
+                               RSSAggr->ItemType = RSS_UNSET;
 
-       fclose(fp);
+                               RSSAggr->rooms = NewStrBufPlain(
+                                       qrbuf->QRname, -1);
 
+                               pthread_mutex_lock(&RSSQueueMutex);
+
+                               Put(RSSFetchUrls,
+                                   SKEY(RSSAggr->Url),
+                                   RSSAggr,
+                                   DeleteRssCfg);
+
+                               pthread_mutex_unlock(&RSSQueueMutex);
+                       }
+               }
+       }
+       if (Count != NULL)
+       {
+               Count->QRnumber = qrbuf->QRnumber;
+               pthread_mutex_lock(&RSSQueueMutex);
+               EVRSSQ_syslog(LOG_DEBUG, "client: [%ld] %s now starting.\n",
+                             qrbuf->QRnumber, qrbuf->QRname);
+               Put(RSSQueueRooms, LKEY(qrbuf->QRnumber), Count, NULL);
+               pthread_mutex_unlock(&RSSQueueMutex);
+       }
+       FreeStrBuf(&CfgData);
+       FreeStrBuf(&CfgType);
+       FreeStrBuf(&Line);
 }
 
 /*
  * Scan for rooms that have RSS client requests configured
  */
-void *rssclient_scan(void *args) {
-       static time_t last_run = 0L;
-       static int doing_rssclient = 0;
-       rssnetcfg *rptr = NULL;
-       CitContext rssclientCC;
-
-       /* Give this thread its own private CitContext */
-       CtdlFillSystemContext(&rssclientCC, "rssclient");
-       citthread_setspecific(MyConKey, (void *)&rssclientCC );
+void rssclient_scan(void) {
+       int RSSRoomCount, RSSCount;
+       rss_aggregator *rptr = NULL;
+       void *vrptr = NULL;
+       HashPos *it;
+       long len;
+       const char *Key;
+       time_t now = time(NULL);
+
+       /* Run no more than once every 15 minutes. */
+       if ((now - last_run) < 900) {
+               EVRSSQ_syslog(LOG_DEBUG,
+                             "Client: polling interval not yet reached; last run was %ldm%lds ago",
+                             ((now - last_run) / 60),
+                             ((now - last_run) % 60)
+               );
+               return;
+       }
 
        /*
-        * This is a simple concurrency check to make sure only one rssclient run
-        * is done at a time.  We could do this with a mutex, but since we
-        * don't really require extremely fine granularity here, we'll do it
-        * with a static variable instead.
+        * This is a simple concurrency check to make sure only one rssclient
+        * run is done at a time.
         */
-       if (doing_rssclient) return NULL;
-       doing_rssclient = 1;
+       pthread_mutex_lock(&RSSQueueMutex);
+       RSSCount = GetCount(RSSFetchUrls);
+       RSSRoomCount = GetCount(RSSQueueRooms);
+       pthread_mutex_unlock(&RSSQueueMutex);
+
+       if ((RSSRoomCount > 0) || (RSSCount > 0)) {
+               EVRSSQ_syslog(LOG_DEBUG,
+                             "rssclient: concurrency check failed; %d rooms and %d url's are queued",
+                             RSSRoomCount, RSSCount
+                       );
+               return;
+       }
 
-       CtdlLogPrintf(CTDL_DEBUG, "rssclient started\n");
+       become_session(&rss_CC);
+       EVRSSQM_syslog(LOG_DEBUG, "rssclient started\n");
        CtdlForEachRoom(rssclient_scan_room, NULL);
 
-       while (rnclist != NULL && !CtdlThreadCheckStop()) {
-               rss_do_fetching(rnclist);
-               rptr = rnclist;
-               rnclist = rnclist->next;
-               if (rptr->rooms != NULL) free(rptr->rooms);
-               free(rptr);
+       pthread_mutex_lock(&RSSQueueMutex);
+
+       it = GetNewHashPos(RSSFetchUrls, 0);
+       while (!server_shutting_down &&
+              GetNextHashPos(RSSFetchUrls, it, &len, &Key, &vrptr) &&
+              (vrptr != NULL)) {
+               rptr = (rss_aggregator *)vrptr;
+               if (!rss_do_fetching(rptr))
+                       UnlinkRSSAggregator(rptr);
        }
+       DeleteHashPos(&it);
+       pthread_mutex_unlock(&RSSQueueMutex);
 
-       CtdlLogPrintf(CTDL_DEBUG, "rssclient ended\n");
-       last_run = time(NULL);
-       doing_rssclient = 0;
-       if (!CtdlThreadCheckStop())
-               CtdlThreadSchedule ("RSS Client", CTDLTHREAD_BIGSTACK, rssclient_scan, NULL, last_run + config.c_net_freq);
-       else
-               CtdlLogPrintf(CTDL_DEBUG, "rssclient: Task STOPPED.\n");
-       CtdlClearSystemContext();
-       return NULL;
+       EVRSSQM_syslog(LOG_DEBUG, "rssclient ended\n");
+       return;
 }
 
+void rss_cleanup(void)
+{
+       /* citthread_mutex_destroy(&RSSQueueMutex); TODO */
+       DeleteHash(&RSSFetchUrls);
+       DeleteHash(&RSSQueueRooms);
+}
+
+void LogDebugEnableRSSClient(const int n)
+{
+       RSSClientDebugEnabled = n;
+}
 
 CTDL_MODULE_INIT(rssclient)
 {
        if (threading)
        {
-               CtdlLogPrintf(CTDL_INFO, "%s\n", curl_version());
-               CtdlThreadSchedule ("RSS Client", CTDLTHREAD_BIGSTACK, rssclient_scan, NULL, 0);
+               CtdlFillSystemContext(&rss_CC, "rssclient");
+               pthread_mutex_init(&RSSQueueMutex, NULL);
+               RSSQueueRooms = NewHash(1, lFlathash);
+               RSSFetchUrls = NewHash(1, NULL);
+               syslog(LOG_INFO, "%s\n", curl_version());
+               CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER, PRIO_AGGR + 300);
+               CtdlRegisterEVCleanupHook(rss_cleanup);
+               CtdlRegisterDebugFlagHook(HKEY("rssclient"), LogDebugEnableRSSClient, &RSSClientDebugEnabled);
        }
-
-       StartHandlers = NewHash(1, NULL);
-       EndHandlers = NewHash(1, NULL);
-
-       AddRSSStartHandler(RSS_item_rss_start,     RSS_UNSET, HKEY("rss"));
-       AddRSSStartHandler(RSS_item_rdf_start,     RSS_UNSET, HKEY("rdf"));
-       AddRSSStartHandler(ATOM_item_feed_start,    RSS_UNSET, HKEY("feed"));
-       AddRSSStartHandler(RSS_item_item_start,    RSS_RSS, HKEY("item"));
-       AddRSSStartHandler(ATOM_item_entry_start,  RSS_ATOM, HKEY("entry"));
-       AddRSSStartHandler(ATOM_item_link_start,   RSS_ATOM, HKEY("link"));
-
-       AddRSSEndHandler(ATOMRSS_item_title_end,   RSS_ATOM|RSS_RSS|RSS_REQUIRE_BUF, HKEY("title"));
-       AddRSSEndHandler(RSS_item_guid_end,        RSS_RSS|RSS_REQUIRE_BUF, HKEY("guid"));
-       AddRSSEndHandler(ATOM_item_id_end,         RSS_ATOM|RSS_REQUIRE_BUF, HKEY("id"));
-       AddRSSEndHandler(RSS_item_link_end,        RSS_RSS|RSS_REQUIRE_BUF, HKEY("link"));
-       AddRSSEndHandler(RSSATOM_item_title_end,   RSS_ATOM|RSS_RSS|RSS_REQUIRE_BUF, HKEY("title"));
-       AddRSSEndHandler(ATOM_item_content_end,    RSS_ATOM|RSS_REQUIRE_BUF, HKEY("content"));
-       AddRSSEndHandler(RSS_item_description_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("encoded"));
-       AddRSSEndHandler(ATOM_item_summary_end,    RSS_ATOM|RSS_REQUIRE_BUF, HKEY("summary"));
-       AddRSSEndHandler(RSS_item_description_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("description"));
-       AddRSSEndHandler(ATOM_item_published_end,  RSS_ATOM|RSS_REQUIRE_BUF, HKEY("published"));
-       AddRSSEndHandler(ATOM_item_updated_end,    RSS_ATOM|RSS_REQUIRE_BUF, HKEY("updated"));
-       AddRSSEndHandler(RSS_item_pubdate_end,     RSS_RSS|RSS_REQUIRE_BUF, HKEY("pubdate"));
-       AddRSSEndHandler(RSS_item_date_end,        RSS_RSS|RSS_REQUIRE_BUF, HKEY("date"));
-       AddRSSEndHandler(RSS_item_author_end,      RSS_RSS|RSS_REQUIRE_BUF, HKEY("author"));
-       AddRSSEndHandler(RSS_item_creator_end,     RSS_RSS|RSS_REQUIRE_BUF, HKEY("creator"));
-       AddRSSEndHandler(ATOM_item_name_end,       RSS_ATOM|RSS_REQUIRE_BUF, HKEY("name"));
-       AddRSSEndHandler(ATOM_item_uri_end,        RSS_ATOM|RSS_REQUIRE_BUF, HKEY("uri"));
-
-       AddRSSEndHandler(RSS_item_item_end,        RSS_RSS, HKEY("item"));
-       AddRSSEndHandler(RSS_item_rss_end,         RSS_RSS, HKEY("rss"));
-       AddRSSEndHandler(RSS_item_rdf_end,         RSS_RSS, HKEY("rdf"));
-       AddRSSEndHandler(ATOM_item_entry_end,      RSS_ATOM, HKEY("entry"));
-
-
-/* at the start of atoms: <seq> <li>link to resource</li></seq> ignore them. */
-       AddRSSStartHandler(RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("seq"));
-       AddRSSEndHandler  (RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("seq"));
-       AddRSSStartHandler(RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("li"));
-       AddRSSEndHandler  (RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("li"));
-
-/* links to other feed generators... */
-       AddRSSStartHandler(RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("feedflare"));
-       AddRSSEndHandler  (RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("feedflare"));
-       AddRSSStartHandler(RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("browserfriendly"));
-       AddRSSEndHandler  (RSSATOM_item_ignore,      RSS_RSS|RSS_ATOM, HKEY("browserfriendly"));
-
-       KnownNameSpaces = NewHash(1, NULL);
-       Put(KnownNameSpaces, HKEY("http://a9.com/-/spec/opensearch/1.1/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://a9.com/-/spec/opensearchrss/1.0/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://backend.userland.com/creativeCommonsRssModule"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/atom/ns#"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/dc/elements/1.1/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/content/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/slash/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/syndication/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://purl.org/syndication/thread/1.0"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://rssnamespace.org/feedburner/ext/1.0"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://schemas.google.com/g/2005"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://webns.net/mvcb/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://web.resource.org/cc/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://wellformedweb.org/CommentAPI/"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.georss.org/georss"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/xhtml"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/02/22-rdf-syntax-ns#"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/02/22-rdf-syntax-ns#"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.w3.org/2003/01/geo/wgs84_pos#"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("http://www.w3.org/2005/Atom"), NULL, reference_free_handler);
-       Put(KnownNameSpaces, HKEY("urn:flickr:"), NULL, reference_free_handler);
-#if 0
-       /* we don't like these namespaces because of they shadow our usefull parameters. */
-       Put(KnownNameSpaces, HKEY("http://search.yahoo.com/mrss/"), NULL, reference_free_handler);
-#endif
        return "rssclient";
 }