/*
* 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>
# 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
#define TMP_SHORTER_URL_OFFSET 0xFE
#define TMP_SHORTER_URLS 0xFD
+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 to be locked too. */
-
-eNextState RSSAggregatorTerminate(AsyncIO *IO);
+HashList *RSSFetchUrls = NULL; /*->rss_aggregator;->RefCount access locked*/
+eNextState RSSAggregator_Terminate(AsyncIO *IO);
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO);
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO);
struct CitContext rss_CC;
struct rssnetcfg *rnclist = NULL;
-void AppendLink(StrBuf *Message, StrBuf *link, StrBuf *LinkTitle, const char *Title)
-{
- 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);
- }
-}
-typedef struct __networker_save_message {
- AsyncIO IO;
- struct CtdlMessage *Msg;
- struct recptypes *recp;
- rss_aggregator *Cfg;
- StrBuf *MsgGUID;
- StrBuf *Message;
- struct UseTable ut;
-} networker_save_message;
+int RSSClientDebugEnabled = 0;
+#define N ((rss_aggregator*)IO->Data)->QRnumber
+
+#define DBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (RSSClientDebugEnabled != 0))
+
+#define EVRSSC_syslog(LEVEL, FORMAT, ...) \
+ DBGLOG(LEVEL) syslog(LEVEL, \
+ "IO[%ld]CC[%d][%ld]RSS" FORMAT, \
+ IO->ID, CCID, N, __VA_ARGS__)
+#define EVRSSCM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, \
+ "IO[%ld]CC[%d][%ld]RSS" FORMAT, \
+ IO->ID, CCID, N)
+
+#define EVRSSQ_syslog(LEVEL, FORMAT, ...) \
+ DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT, \
+ __VA_ARGS__)
+#define EVRSSQM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT)
+
+#define EVRSSCSM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]RSS" FORMAT, \
+ IO->ID, N)
void DeleteRoomReference(long QRnumber)
{
At = GetNewHashPos(RSSQueueRooms, 0);
- GetHashPosFromKey(RSSQueueRooms, LKEY(QRnumber), At);
- GetHashPos(RSSQueueRooms, At, &HKLen, &HK, &vData);
- if (vData != NULL)
+ if (GetHashPosFromKey(RSSQueueRooms, LKEY(QRnumber), At))
{
- pRoomC = (rss_room_counter *) vData;
- pRoomC->count --;
- if (pRoomC->count == 0)
- DeleteEntryFromHash(RSSQueueRooms, At);
+ GetHashPos(RSSQueueRooms, At, &HKLen, &HK, &vData);
+ if (vData != NULL)
+ {
+ pRoomC = (rss_room_counter *) vData;
+ pRoomC->count --;
+ if (pRoomC->count == 0)
+ DeleteEntryFromHash(RSSQueueRooms, At);
+ }
}
DeleteHashPos(&At);
}
-void UnlinkRooms(rss_aggregator *Cfg)
+void UnlinkRooms(rss_aggregator *RSSAggr)
{
-
- DeleteRoomReference(Cfg->QRnumber);
- if (Cfg->OtherQRnumbers != NULL)
+ DeleteRoomReference(RSSAggr->QRnumber);
+ if (RSSAggr->OtherQRnumbers != NULL)
{
long HKLen;
const char *HK;
HashPos *At;
void *vData;
- At = GetNewHashPos(Cfg->OtherQRnumbers, 0);
- while (GetNextHashPos(Cfg->OtherQRnumbers, At, &HKLen, &HK, &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 (server_shutting_down)
- break; /* TODO */
DeleteHashPos(&At);
}
}
-void UnlinkRSSAggregator(rss_aggregator *Cfg)
+void UnlinkRSSAggregator(rss_aggregator *RSSAggr)
{
HashPos *At;
- UnlinkRooms(Cfg);
+ pthread_mutex_lock(&RSSQueueMutex);
+ UnlinkRooms(RSSAggr);
At = GetNewHashPos(RSSFetchUrls, 0);
- if (GetHashPosFromKey(RSSFetchUrls, SKEY(Cfg->Url), At) == 0)
+ if (GetHashPosFromKey(RSSFetchUrls, SKEY(RSSAggr->Url), At))
{
DeleteEntryFromHash(RSSFetchUrls, At);
}
DeleteHashPos(&At);
+ last_run = time(NULL);
+ pthread_mutex_unlock(&RSSQueueMutex);
}
-eNextState FreeNetworkSaveMessage (AsyncIO *IO)
+void DeleteRssCfg(void *vptr)
{
- networker_save_message *Ctx = (networker_save_message *) IO->Data;
+ rss_aggregator *RSSAggr = (rss_aggregator *)vptr;
+ AsyncIO *IO = &RSSAggr->IO;
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: destroying\n");
- pthread_mutex_lock(&RSSQueueMutex);
- Ctx->Cfg->RefCount --;
+ FreeStrBuf(&RSSAggr->Url);
+ FreeStrBuf(&RSSAggr->rooms);
+ FreeStrBuf(&RSSAggr->CData);
+ FreeStrBuf(&RSSAggr->Key);
+ DeleteHash(&RSSAggr->OtherQRnumbers);
+
+ DeleteHashPos (&RSSAggr->Pos);
+ DeleteHash (&RSSAggr->Messages);
+ if (RSSAggr->recp.recp_room != NULL)
+ free(RSSAggr->recp.recp_room);
- if (Ctx->Cfg->RefCount == 0)
+
+ if (RSSAggr->Item != NULL)
{
- UnlinkRSSAggregator(Ctx->Cfg);
+ flush_rss_item(RSSAggr->Item);
+ free(RSSAggr->Item);
}
- pthread_mutex_unlock(&RSSQueueMutex);
- CtdlFreeMessage(Ctx->Msg);
- free_recipients(Ctx->recp);
- FreeStrBuf(&Ctx->Message);
- FreeStrBuf(&Ctx->MsgGUID);
- free(Ctx);
- return eAbort;
+ FreeAsyncIOContents(&RSSAggr->IO);
+ memset(RSSAggr, 0, sizeof(rss_aggregator));
+ free(RSSAggr);
}
-eNextState AbortNetworkSaveMessage (AsyncIO *IO)
+eNextState RSSAggregator_Terminate(AsyncIO *IO)
{
- return eAbort; ///TODO
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
+
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
}
-eNextState RSSSaveMessage(AsyncIO *IO)
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO)
{
- networker_save_message *Ctx = (networker_save_message *) IO->Data;
-
- Ctx->Msg->cm_fields['M'] = SmashStrBuf(&Ctx->Message);
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- CtdlSubmitMsg(Ctx->Msg, Ctx->recp, NULL, 0);
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
- /* write the uidl to the use table so we don't store this item again */
- cdb_store(CDB_USETABLE, SKEY(Ctx->MsgGUID), &Ctx->ut, sizeof(struct UseTable) );
- return eTerminateConnection;
+ StopDBWatchers(&RSSAggr->IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
}
-eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO)
{
- struct cdbdata *cdbut;
- networker_save_message *Ctx = (networker_save_message *) IO->Data;
+ const char *pUrl;
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- /* Find out if we've already seen this item */
- strcpy(Ctx->ut.ut_msgid, ChrPtr(Ctx->MsgGUID)); /// TODO
- Ctx->ut.ut_timestamp = time(NULL);
+ pUrl = IO->ConnectMe->PlainUrl;
+ if (pUrl == NULL)
+ pUrl = "";
- cdbut = cdb_fetch(CDB_USETABLE, SKEY(Ctx->MsgGUID));
-#ifndef DEBUG_RSS
- if (cdbut != NULL) {
- /* Item has already been seen */
- syslog(LOG_DEBUG, "%s has already been seen\n", ChrPtr(Ctx->MsgGUID));
- cdb_free(cdbut);
+ EVRSSC_syslog(LOG_DEBUG, "RSS: Aborting by shutdown: %s.\n", pUrl);
- /* rewrite the record anyway, to update the timestamp */
- cdb_store(CDB_USETABLE,
- SKEY(Ctx->MsgGUID),
- &Ctx->ut, sizeof(struct UseTable) );
- return eAbort;
- }
- else
-#endif
- {
- NextDBOperation(IO, RSSSaveMessage);
- return eSendMore;
- }
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
}
-void RSSQueueSaveMessage(struct CtdlMessage *Msg, struct recptypes *recp, StrBuf *MsgGUID, StrBuf *MessageBody, rss_aggregator *Cfg)
+
+void AppendLink(StrBuf *Message,
+ StrBuf *link,
+ StrBuf *LinkTitle,
+ const char *Title)
{
- networker_save_message *Ctx;
-
- Ctx = (networker_save_message *) malloc(sizeof(networker_save_message));
- memset(Ctx, 0, sizeof(networker_save_message));
-
- Ctx->MsgGUID = MsgGUID;
- Ctx->Message = MessageBody;
- Ctx->Msg = Msg;
- Ctx->Cfg = Cfg;
- Ctx->recp = recp;
- Ctx->IO.Data = Ctx;
- Ctx->IO.CitContext = CloneContext(&rss_CC);
- Ctx->IO.Terminate = FreeNetworkSaveMessage;
- Ctx->IO.ShutdownAbort = AbortNetworkSaveMessage;
- QueueDBOperation(&Ctx->IO, RSS_FetchNetworkUsetableEntry);
+ 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);
+ }
}
-/*
- * Commit a fetched and parsed RSS item to disk
- */
-void rss_save_item(rss_item *ri, rss_aggregator *Cfg)
+void rss_format_item(networker_save_message *SaveMsg)
{
-
- struct MD5Context md5context;
- u_char rawdigest[MD5_DIGEST_LEN];
- struct CtdlMessage *msg;
- struct recptypes *recp = NULL;
- int msglen = 0;
StrBuf *Message;
- StrBuf *guid;
- StrBuf *Buf;
-
- recp = (struct recptypes *) malloc(sizeof(struct recptypes));
- if (recp == NULL) return;
- memset(recp, 0, sizeof(struct recptypes));
- Buf = NewStrBufDup(Cfg->rooms);
- recp->recp_room = SmashStrBuf(&Buf);
- recp->num_room = Cfg->roomlist_parts;
- recp->recptypes_magic = RECPTYPES_MAGIC;
-
- Cfg->RefCount ++;
- /* 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);
- guid = NewStrBufPlain(HKEY("rss/"));
- StrBufAppendBuf(guid, ri->guid, 0);
- }
- 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);
- guid = NewStrBufPlain(NULL, MD5_DIGEST_LEN * 2 + 12 /* _rss2ctdl*/);
- StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
- StrBufAppendBufPlain(guid, HKEY("_rss2ctdl"), 0);
- }
+ int msglen = 0;
- /* translate Item into message. */
- syslog(LOG_DEBUG, "RSS: translating 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));
- }
+ if (SaveMsg->author_or_creator != NULL) {
- if (ri->author_or_creator != NULL) {
char *From;
StrBuf *Encoded = NULL;
int FromAt;
-
- From = html_to_ascii(ChrPtr(ri->author_or_creator),
- StrLength(ri->author_or_creator),
+
+ From = html_to_ascii(ChrPtr(SaveMsg->author_or_creator),
+ StrLength(SaveMsg->author_or_creator),
512, 0);
- StrBufPlain(ri->author_or_creator, From, -1);
- StrBufTrim(ri->author_or_creator);
+ StrBufPlain(SaveMsg->author_or_creator, From, -1);
+ StrBufTrim(SaveMsg->author_or_creator);
free(From);
- FromAt = strchr(ChrPtr(ri->author_or_creator), '@') != NULL;
- if (!FromAt && StrLength (ri->author_email) > 0)
+ FromAt = strchr(ChrPtr(SaveMsg->author_or_creator), '@') != NULL;
+ if (!FromAt && StrLength (SaveMsg->author_email) > 0)
{
- StrBufRFC2047encode(&Encoded, ri->author_or_creator);
- msg->cm_fields['A'] = SmashStrBuf(&Encoded);
- msg->cm_fields['P'] = SmashStrBuf(&ri->author_email);
+ StrBufRFC2047encode(&Encoded, SaveMsg->author_or_creator);
+ SaveMsg->Msg.cm_fields['A'] = SmashStrBuf(&Encoded);
+ SaveMsg->Msg.cm_fields['P'] =
+ SmashStrBuf(&SaveMsg->author_email);
}
else
{
if (FromAt)
{
- msg->cm_fields['A'] = SmashStrBuf(&ri->author_or_creator);
- msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
+ SaveMsg->Msg.cm_fields['A'] =
+ SmashStrBuf(&SaveMsg->author_or_creator);
+ SaveMsg->Msg.cm_fields['P'] =
+ strdup(SaveMsg->Msg.cm_fields['A']);
}
- else
+ else
{
- StrBufRFC2047encode(&Encoded, ri->author_or_creator);
- msg->cm_fields['A'] = SmashStrBuf(&Encoded);
- msg->cm_fields['P'] = strdup("rss@localhost");
+ StrBufRFC2047encode(&Encoded,
+ SaveMsg->author_or_creator);
+ SaveMsg->Msg.cm_fields['A'] =
+ SmashStrBuf(&Encoded);
+ SaveMsg->Msg.cm_fields['P'] =
+ strdup("rss@localhost");
}
- if (ri->pubdate <= 0) {
- ri->pubdate = time(NULL);
- }
}
}
else {
- msg->cm_fields['A'] = strdup("rss");
+ SaveMsg->Msg.cm_fields['A'] = strdup("rss");
}
- msg->cm_fields['N'] = strdup(NODENAME);
- if (ri->title != NULL) {
+ SaveMsg->Msg.cm_fields['N'] = strdup(NODENAME);
+ if (SaveMsg->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);
+ StrBufSpaceToBlank(SaveMsg->title);
+ len = StrLength(SaveMsg->title);
+ Sbj = html_to_ascii(ChrPtr(SaveMsg->title), len, 512, 0);
len = strlen(Sbj);
- if (Sbj[len - 1] == '\n')
+ if ((len > 0) && (Sbj[len - 1] == '\n'))
{
len --;
Sbj[len] = '\0';
StrBufTrim(Encoded);
StrBufRFC2047encode(&QPEncoded, Encoded);
- msg->cm_fields['U'] = SmashStrBuf(&QPEncoded);
+ SaveMsg->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));
- }
- }
- if (ri->link == NULL)
- ri->link = NewStrBufPlain(HKEY(""));
+ if (SaveMsg->link == NULL)
+ SaveMsg->link = NewStrBufPlain(HKEY(""));
#if 0 /* temporarily disable shorter urls. */
- msg->cm_fields[TMP_SHORTER_URLS] = GetShorterUrls(ri->description);
+ SaveMsg->Msg.cm_fields[TMP_SHORTER_URLS] =
+ GetShorterUrls(SaveMsg->description);
#endif
- msglen += 1024 + StrLength(ri->link) + StrLength(ri->description) ;
+ msglen += 1024 + StrLength(SaveMsg->link) + StrLength(SaveMsg->description) ;
- Message = NewStrBufPlain(NULL, StrLength(ri->description));
+ Message = NewStrBufPlain(NULL, msglen);
StrBufPlain(Message, HKEY(
"Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
"<html><body>\n"));
#if 0 /* disable shorter url for now. */
- msg->cm_fields[TMP_SHORTER_URL_OFFSET] = StrLength(Message);
+ SaveMsg->Msg.cm_fields[TMP_SHORTER_URL_OFFSET] = StrLength(Message);
#endif
- StrBufAppendBuf(Message, ri->description, 0);
+ StrBufAppendBuf(Message, SaveMsg->description, 0);
StrBufAppendBufPlain(Message, HKEY("<br><br>\n"), 0);
- AppendLink(Message, ri->link, ri->linkTitle, NULL);
- AppendLink(Message, ri->reLink, ri->reLinkTitle, "Reply to this");
+ AppendLink(Message, SaveMsg->link, SaveMsg->linkTitle, NULL);
+ AppendLink(Message, SaveMsg->reLink, SaveMsg->reLinkTitle, "Reply to this");
StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
- RSSQueueSaveMessage(msg, recp, guid, Message, Cfg);
-}
-
+ SaveMsg->Message = Message;
+}
-/*
- * Begin a feed parse
- */
-int rss_do_fetching(rss_aggregator *Cfg)
+eNextState RSSSaveMessage(AsyncIO *IO)
{
- rss_item *ri;
-
- time_t now;
- AsyncIO *IO;
+ long len;
+ const char *Key;
+ rss_aggregator *RSSAggr = (rss_aggregator *) IO->Data;
- now = time(NULL);
+ rss_format_item(RSSAggr->ThisMsg);
- if ((Cfg->next_poll != 0) && (now < Cfg->next_poll))
- return 0;
- Cfg->RefCount = 1;
+ RSSAggr->ThisMsg->Msg.cm_fields['M'] =
+ SmashStrBuf(&RSSAggr->ThisMsg->Message);
- ri = (rss_item*) malloc(sizeof(rss_item));
- memset(ri, 0, sizeof(rss_item));
- Cfg->Item = ri;
- IO = &Cfg->IO;
- IO->CitContext = CloneContext(&rss_CC);
- IO->Data = Cfg;
-
-
- syslog(LOG_DEBUG, "Fetching RSS feed <%s>\n", ChrPtr(Cfg->Url));
- ParseURL(&IO->ConnectMe, Cfg->Url, 80);
- CurlPrepareURL(IO->ConnectMe);
-
- if (! evcurl_init(IO,
-// Ctx,
- NULL,
- "Citadel RSS Client",
- ParseRSSReply,
- RSSAggregatorTerminate))
- {
- syslog(LOG_DEBUG, "Unable to initialize libcurl.\n");
- return 0;
- }
+ CtdlSubmitMsg(&RSSAggr->ThisMsg->Msg, &RSSAggr->recp, NULL, 0);
- evcurl_handle_start(IO);
- return 1;
+ /* 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) );
+
+ if (GetNextHashPos(RSSAggr->Messages,
+ RSSAggr->Pos,
+ &len, &Key,
+ (void**) &RSSAggr->ThisMsg))
+ return NextDBOperation(IO, RSS_FetchNetworkUsetableEntry);
+ else
+ return eAbort;
}
-
-void DeleteRssCfg(void *vptr)
+eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
{
- rss_aggregator *rncptr = (rss_aggregator *)vptr;
+ const char *Key;
+ long len;
+ struct cdbdata *cdbut;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
- FreeStrBuf(&rncptr->Url);
- FreeStrBuf(&rncptr->rooms);
- FreeStrBuf(&rncptr->CData);
- FreeStrBuf(&rncptr->Key);
- FreeStrBuf(&rncptr->IO.HttpReq.ReplyData);
- DeleteHash(&rncptr->OtherQRnumbers);
- FreeURL(&rncptr->IO.ConnectMe);
+ /* 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);
- if (rncptr->Item != 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);
+
+ /* 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
{
- FreeStrBuf(&rncptr->Item->guid);
- FreeStrBuf(&rncptr->Item->title);
- FreeStrBuf(&rncptr->Item->link);
- FreeStrBuf(&rncptr->Item->linkTitle);
- FreeStrBuf(&rncptr->Item->reLink);
- FreeStrBuf(&rncptr->Item->reLinkTitle);
- FreeStrBuf(&rncptr->Item->description);
- FreeStrBuf(&rncptr->Item->channel_title);
- FreeStrBuf(&rncptr->Item->author_or_creator);
- FreeStrBuf(&rncptr->Item->author_url);
- FreeStrBuf(&rncptr->Item->author_email);
-
- free(rncptr->Item);
+ NextDBOperation(IO, RSSSaveMessage);
+ return eSendMore;
}
- free(rncptr);
}
-eNextState RSSAggregatorTerminate(AsyncIO *IO)
+eNextState RSSAggregator_AnalyseReply(AsyncIO *IO)
{
- rss_aggregator *rncptr = (rss_aggregator *)IO->Data;
- /*
- HashPos *At;
- long HKLen;
- const char *HK;
- void *vData;
- */
- pthread_mutex_lock(&RSSQueueMutex);
- rncptr->RefCount --;
- if (rncptr->RefCount == 0)
+ struct UseTable ut;
+ u_char rawdigest[MD5_DIGEST_LEN];
+ struct MD5Context md5context;
+ StrBuf *guid;
+ struct cdbdata *cdbut;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
+
+ if (IO->HttpReq.httpcode != 200)
{
- UnlinkRSSAggregator(rncptr);
+ StrBuf *ErrMsg;
+ long lens[2];
+ const char *strs[2];
+ 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;
}
- pthread_mutex_unlock(&RSSQueueMutex);
+
+ 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);
+
+ 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);
+ }
+
+ /* 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);
+}
+
+eNextState RSSAggregator_FinishHttp(AsyncIO *IO)
+{
+ return QueueDBOperation(IO, RSSAggregator_AnalyseReply);
+}
+
/*
- At = GetNewHashPos(RSSFetchUrls, 0);
+ * Begin a feed parse
+ */
+int rss_do_fetching(rss_aggregator *RSSAggr)
+{
+ AsyncIO *IO = &RSSAggr->IO;
+ rss_item *ri;
+ time_t now;
- pthread_mutex_lock(&RSSQueueMutex);
- GetHashPosFromKey(RSSFetchUrls, SKEY(rncptr->Url), At);
- GetHashPos(RSSFetchUrls, At, &HKLen, &HK, &vData);
- DeleteEntryFromHash(RSSFetchUrls, At);
- pthread_mutex_unlock(&RSSQueueMutex);
+ now = time(NULL);
- DeleteHashPos(&At);
-*/
- return eAbort;
+ if ((RSSAggr->next_poll != 0) && (now < RSSAggr->next_poll))
+ return 0;
+
+ ri = (rss_item*) malloc(sizeof(rss_item));
+ memset(ri, 0, sizeof(rss_item));
+ RSSAggr->Item = ri;
+
+ if (! InitcURLIOStruct(&RSSAggr->IO,
+ RSSAggr,
+ "Citadel RSS Client",
+ RSSAggregator_FinishHttp,
+ RSSAggregator_Terminate,
+ RSSAggregator_TerminateDB,
+ RSSAggregator_ShutdownAbort))
+ {
+ EVRSSCM_syslog(LOG_ALERT, "Unable to initialize libcurl.\n");
+ return 0;
+ }
+
+ safestrncpy(((CitContext*)RSSAggr->IO.CitContext)->cs_host,
+ ChrPtr(RSSAggr->Url),
+ sizeof(((CitContext*)RSSAggr->IO.CitContext)->cs_host));
+
+ EVRSSC_syslog(LOG_DEBUG, "Fetching RSS feed <%s>\n", ChrPtr(RSSAggr->Url));
+ ParseURL(&RSSAggr->IO.ConnectMe, RSSAggr->Url, 80);
+ CurlPrepareURL(RSSAggr->IO.ConnectMe);
+
+ QueueCurlContext(&RSSAggr->IO);
+ return 1;
}
/*
rss_room_counter *Count = NULL;
struct stat statbuf;
char filename[PATH_MAX];
- int fd;
+ int fd;
int Done;
- rss_aggregator *rncptr = NULL;
- rss_aggregator *use_this_rncptr = NULL;
+ 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))
{
- syslog(LOG_DEBUG,
- "rssclient: [%ld] %s already in progress.\n",
- qrbuf->QRnumber,
+ EVRSSQ_syslog(LOG_DEBUG,
+ "rssclient: [%ld] %s already in progress.\n",
+ qrbuf->QRnumber,
qrbuf->QRname);
pthread_mutex_unlock(&RSSQueueMutex);
return;
if (server_shutting_down)
return;
-
+
/* Only do net processing for rooms that have netconfigs */
fd = open(filename, 0);
if (fd <= 0) {
- //syslog(LOG_DEBUG, "rssclient: %s no config.\n", qrbuf->QRname);
+ /* syslog(LOG_DEBUG,
+ "rssclient: %s no config.\n",
+ qrbuf->QRname); */
return;
}
return;
if (fstat(fd, &statbuf) == -1) {
- syslog(LOG_DEBUG, "ERROR: could not stat configfile '%s' - %s\n",
- filename, strerror(errno));
+ EVRSSQ_syslog(LOG_DEBUG,
+ "ERROR: could not stat configfile '%s' - %s\n",
+ filename,
+ strerror(errno));
return;
}
if (StrBufReadBLOB(CfgData, &fd, 1, statbuf.st_size, &Err) < 0) {
close(fd);
FreeStrBuf(&CfgData);
- syslog(LOG_DEBUG, "ERROR: reading config '%s' - %s<br>\n",
- filename, strerror(errno));
+ EVRSSQ_syslog(LOG_ERR, "ERROR: reading config '%s' - %s<br>\n",
+ filename, strerror(errno));
return;
}
close(fd);
if (server_shutting_down)
return;
-
+
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)))
+ Done = StrBufSipLine(Line, CfgData, &CfgPtr) == 0;
+ if (StrLength(Line) > 0)
{
- if (Count == NULL)
- {
- Count = malloc(sizeof(rss_room_counter));
- Count->count = 0;
- }
- Count->count ++;
- rncptr = (rss_aggregator *) malloc(sizeof(rss_aggregator));
- memset (rncptr, 0, sizeof(rss_aggregator));
- rncptr->roomlist_parts = 1;
- rncptr->Url = NewStrBuf();
- StrBufExtract_NextToken(rncptr->Url, Line, &lPtr, '|');
-
- pthread_mutex_lock(&RSSQueueMutex);
- GetHash(RSSFetchUrls, SKEY(rncptr->Url), &vptr);
- use_this_rncptr = (rss_aggregator *)vptr;
- if (use_this_rncptr != NULL)
- {
- /* mustn't attach to an active session */
- if (use_this_rncptr->RefCount > 0)
- {
- DeleteRssCfg(rncptr);
- Count->count--;
- }
- else
- {
- long *QRnumber;
- StrBufAppendBufPlain(use_this_rncptr->rooms,
- qrbuf->QRname,
- -1, 0);
- if (use_this_rncptr->roomlist_parts == 1)
- {
- use_this_rncptr->OtherQRnumbers = NewHash(1, lFlathash);
- }
- QRnumber = (long*)malloc(sizeof(long));
- *QRnumber = qrbuf->QRnumber;
- Put(use_this_rncptr->OtherQRnumbers, LKEY(qrbuf->QRnumber), QRnumber, NULL);
- use_this_rncptr->roomlist_parts++;
- }
- pthread_mutex_unlock(&RSSQueueMutex);
-
-
- FreeStrBuf(&rncptr->Url);
- free(rncptr);
- rncptr = NULL;
- continue;
- }
- pthread_mutex_unlock(&RSSQueueMutex);
-
- rncptr->ItemType = RSS_UNSET;
-
- rncptr->rooms = NewStrBufPlain(qrbuf->QRname, -1);
-
- pthread_mutex_lock(&RSSQueueMutex);
- Put(RSSFetchUrls, SKEY(rncptr->Url), rncptr, DeleteRssCfg);
- pthread_mutex_unlock(&RSSQueueMutex);
+ lPtr = NULL;
+ StrBufExtract_NextToken(CfgType, Line, &lPtr, '|');
+ if (!strcasecmp("rssclient", ChrPtr(CfgType)))
+ {
+ if (Count == NULL)
+ {
+ Count = malloc(
+ sizeof(rss_room_counter));
+ Count->count = 0;
+ }
+ 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;
+
+ 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);
- syslog(LOG_DEBUG, "rssclient: [%ld] %s now starting.\n",
+ 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);
* Scan for rooms that have RSS client requests configured
*/
void rssclient_scan(void) {
- static int doing_rssclient = 0;
+ int RSSRoomCount, RSSCount;
rss_aggregator *rptr = NULL;
void *vrptr = NULL;
- HashPos *it;
+ HashPos *it;
long len;
const char *Key;
-
- /* Run no more than once every 15 minutes. * /
- if ((time(NULL) - last_run) < 900) {
+ 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;
- 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;
+ }
- syslog(LOG_DEBUG, "rssclient started\n");
+ become_session(&rss_CC);
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient started\n");
CtdlForEachRoom(rssclient_scan_room, NULL);
pthread_mutex_lock(&RSSQueueMutex);
it = GetNewHashPos(RSSFetchUrls, 0);
while (!server_shutting_down &&
- GetNextHashPos(RSSFetchUrls, it, &len, &Key, &vrptr) &&
+ GetNextHashPos(RSSFetchUrls, it, &len, &Key, &vrptr) &&
(vrptr != NULL)) {
rptr = (rss_aggregator *)vrptr;
- if (rptr->RefCount == 0)
- if (!rss_do_fetching(rptr))
- UnlinkRSSAggregator(rptr);
+ if (!rss_do_fetching(rptr))
+ UnlinkRSSAggregator(rptr);
}
DeleteHashPos(&it);
pthread_mutex_unlock(&RSSQueueMutex);
- syslog(LOG_DEBUG, "rssclient ended\n");
- doing_rssclient = 0;
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient ended\n");
return;
}
DeleteHash(&RSSQueueRooms);
}
+void LogDebugEnableRSSClient(const int n)
+{
+ RSSClientDebugEnabled = n;
+}
CTDL_MODULE_INIT(rssclient)
{
RSSQueueRooms = NewHash(1, lFlathash);
RSSFetchUrls = NewHash(1, NULL);
syslog(LOG_INFO, "%s\n", curl_version());
- CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER);
- CtdlRegisterCleanupHook(rss_cleanup);
+ CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER, PRIO_AGGR + 300);
+ CtdlRegisterEVCleanupHook(rss_cleanup);
+ CtdlRegisterDebugFlagHook(HKEY("rssclient"), LogDebugEnableRSSClient, &RSSClientDebugEnabled);
}
return "rssclient";
}
projects / citadel.git / blobdiff