/*
* 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
#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 TMP_MSGDATA 0xFF
+#define TMP_SHORTER_URL_OFFSET 0xFE
+#define TMP_SHORTER_URLS 0xFD
-#define RSS_UNSET 0
-#define RSS_RSS 1
-#define RSS_ATOM 2
-
-typedef struct _rss_item {
- char *chardata;
- int chardata_len;
- char *roomlist;
- int done_parsing;
- char *guid;
- char *title;
- char *link;
- char *description;
- time_t pubdate;
- char channel_title[256];
- int item_tag_nesting;
- char *author_or_creator;
- char *author_url;
-}rss_item;
-
-
-typedef struct _rsscollection {
- rss_item *Item;
- rssnetcfg *Cfg;
-
+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*/
-} rsscollection;
+eNextState RSSAggregator_Terminate(AsyncIO *IO);
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO);
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO);
+struct CitContext rss_CC;
struct rssnetcfg *rnclist = NULL;
+int RSSClientDebugEnabled = 0;
+#define N ((rss_aggregator*)IO->Data)->Cfg.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)
+
+typedef enum _RSSState {
+ eRSSCreated,
+ eRSSFetching,
+ eRSSFailure,
+ eRSSParsing,
+ eRSSUT
+} RSSState;
+ConstStr RSSStates[] = {
+ {HKEY("Aggregator created")},
+ {HKEY("Fetching content")},
+ {HKEY("Failed")},
+ {HKEY("parsing content")},
+ {HKEY("checking usetable")}
+};
+static void SetRSSState(AsyncIO *IO, RSSState State)
+{
+ CitContext* CCC = IO->CitContext;
+ if (CCC != NULL)
+ memcpy(CCC->cs_clientname, RSSStates[State].Key, RSSStates[State].len + 1);
+}
-#if 0
-#ifdef HAVE_ICONV
-#include <iconv.h>
+void DeleteRoomReference(long QRnumber)
+{
+ HashPos *At;
+ long HKLen;
+ const char *HK;
+ void *vData = NULL;
+ rss_room_counter *pRoomC;
+ At = GetNewHashPos(RSSQueueRooms, 0);
-/*
- * 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
- */
+ 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);
+ }
+ }
+ DeleteHashPos(&At);
+}
-/* 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;
-}
+void UnlinkRooms(rss_aggregator *RSSAggr)
+{
+ DeleteRoomReference(RSSAggr->Cfg.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))
+ {
+ pRSSConfig *Data = (pRSSConfig*) vData;
+ DeleteRoomReference(Data->QRnumber);
+ }
-#endif
-#endif
+ DeleteHashPos(&At);
+ }
+}
-/*
- * Commit a fetched and parsed RSS item to disk
- */
-void rss_save_item(rsscollection *rssc) {
+void UnlinkRSSAggregator(rss_aggregator *RSSAggr)
+{
+ HashPos *At;
- 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;
- rss_item *ri = rssc->Item;
-
- 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) {
- snprintf(utmsgid, sizeof utmsgid, "rss/%s", ri->guid);
- }
- else {
- MD5Init(&md5context);
- if (ri->title != NULL) {
- MD5Update(&md5context, (unsigned char*)ri->title, strlen(ri->title));
- }
- if (ri->link != NULL) {
- MD5Update(&md5context, (unsigned char*)ri->link, strlen(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");
+ pthread_mutex_lock(&RSSQueueMutex);
+ UnlinkRooms(RSSAggr);
+
+ At = GetNewHashPos(RSSFetchUrls, 0);
+ if (GetHashPosFromKey(RSSFetchUrls, SKEY(RSSAggr->Url), At))
+ {
+ DeleteEntryFromHash(RSSFetchUrls, At);
}
+ DeleteHashPos(&At);
+ last_run = time(NULL);
+ pthread_mutex_unlock(&RSSQueueMutex);
+}
- /* Find out if we've already seen this item */
+void DeleteRssCfg(void *vptr)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)vptr;
+ AsyncIO *IO = &RSSAggr->IO;
- cdbut = cdb_fetch(CDB_USETABLE, utmsgid, strlen(utmsgid));
- if (cdbut != NULL) {
- /* Item has already been seen */
- CtdlLogPrintf(CTDL_DEBUG, "%s has already been seen\n", utmsgid);
- cdb_free(cdbut);
+ if (IO->CitContext != NULL)
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: destroying\n");
+
+ 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);
- /* 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) );
+
+ if (RSSAggr->Item != NULL)
+ {
+ flush_rss_item(RSSAggr->Item);
+
+ free(RSSAggr->Item);
}
- else {
- /* Item has not been seen, so save it. */
- CtdlLogPrintf(CTDL_DEBUG, "RSS: saving item...\n");
- if (ri->description == NULL) ri->description = strdup("");
- for (i=strlen(ri->description); i>=0; --i) {
- if (isspace(ri->description[i])) {
- ri->description[i] = ' ';
- }
- }
- 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;
+ FreeAsyncIOContents(&RSSAggr->IO);
+ memset(RSSAggr, 0, sizeof(rss_aggregator));
+ free(RSSAggr);
+}
- if (ri->guid != NULL) {
- msg->cm_fields['E'] = strdup(ri->guid);
- }
+eNextState RSSAggregator_Terminate(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- if (ri->author_or_creator != NULL) {
- char *From;
- StrBuf *Encoded, *QPEncoded;
- StrBuf *UserName;
- StrBuf *EmailAddress;
- StrBuf *EncBuf;
-
- UserName = NewStrBuf();
- EmailAddress = NewStrBuf();
- EncBuf = NewStrBuf();
-
- From = html_to_ascii(ri->author_or_creator,
- strlen(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);
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
- }
- else {
- msg->cm_fields['A'] = strdup("rss");
- }
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
- msg->cm_fields['N'] = strdup(NODENAME);
- if (ri->title != NULL) {
- long len;
- char *Sbj;
- StrBuf *Encoded, *QPEncoded;
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- QPEncoded = NULL;
- len = strlen(ri->title);
- Sbj = html_to_ascii(ri->title, len, 512, 0);
- Encoded = NewStrBufPlain(Sbj, -1);
- free(Sbj);
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
- StrBufTrim(Encoded);
- StrBufRFC2047encode(&QPEncoded, Encoded);
- 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 (!IsEmptyStr(ri->channel_title)) {
- msg->cm_fields['O'] = strdup(ri->channel_title);
- }
- }
- if (ri->link == NULL)
- ri->link = strdup("");
- msglen += 1024 + strlen(ri->link) + strlen(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>\n"
- "</body></html>\n"
- ,
- ri->description,
- ri->link, ri->link
- );
+ StopDBWatchers(&RSSAggr->IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
- CtdlSubmitMsg(msg, recp, NULL, 0);
- CtdlFreeMessage(msg);
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO)
+{
+ const char *pUrl;
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- /* 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) );
- }
- free_recipients(recp);
+ pUrl = IO->ConnectMe->PlainUrl;
+ if (pUrl == NULL)
+ pUrl = "";
+
+ EVRSSC_syslog(LOG_DEBUG, "RSS: Aborting by shutdown: %s.\n", pUrl);
+
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
}
+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);
+ }
+}
-/*
- * Convert an RDF/RSS datestamp into a time_t
- */
-time_t rdf_parsedate(char *p)
+void rss_format_item(networker_save_message *SaveMsg)
{
- struct tm tm;
- time_t t = 0;
+ StrBuf *Message;
+ int msglen = 0;
- if (!p) return 0L;
- if (strlen(p) < 10) return 0L;
+ if (SaveMsg->author_or_creator != NULL) {
- memset(&tm, 0, sizeof tm);
+ char *From;
+ StrBuf *Encoded = NULL;
+ int FromAt;
- /*
- * 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]);
+ 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);
+
+ 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 (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 {
+ 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';
}
- return mktime(&tm);
+ Encoded = NewStrBufPlain(Sbj, len);
+ free(Sbj);
+
+ StrBufTrim(Encoded);
+ StrBufRFC2047encode(&QPEncoded, Encoded);
+
+ SaveMsg->Msg.cm_fields['U'] = SmashStrBuf(&QPEncoded);
+ FreeStrBuf(&Encoded);
}
+ if (SaveMsg->link == NULL)
+ SaveMsg->link = NewStrBufPlain(HKEY(""));
- /* hmm... try RFC822 date stamp format */
+#if 0 /* temporarily disable shorter urls. */
+ SaveMsg->Msg.cm_fields[TMP_SHORTER_URLS] =
+ GetShorterUrls(SaveMsg->description);
+#endif
- t = parsedate(p);
- if (t > 0) return(t);
+ msglen += 1024 + StrLength(SaveMsg->link) + StrLength(SaveMsg->description) ;
- /* yeesh. ok, just return the current date and time. */
- return(time(NULL));
-}
+ Message = NewStrBufPlain(NULL, msglen);
-#define RSS_UNSET 0
-#define RSS_RSS 1
-#define RSS_ATOM 2
+ 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 flush_rss_ite(rss_item *ri)
+ AppendLink(Message, SaveMsg->link, SaveMsg->linkTitle, NULL);
+ AppendLink(Message, SaveMsg->reLink, SaveMsg->reLinkTitle, "Reply to this");
+ StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
+
+
+ SaveMsg->Message = Message;
+}
+
+eNextState RSSSaveMessage(AsyncIO *IO)
{
- /* Initialize the feed item data structure */
- if (ri->guid != NULL) free(ri->guid);
- ri->guid = NULL;
- if (ri->title != NULL) free(ri->title);
- ri->title = NULL;
- if (ri->link != NULL) free(ri->link);
- ri->link = NULL;
- if (ri->author_or_creator != NULL) free(ri->author_or_creator);
- ri->author_or_creator = NULL;
- if (ri->author_url != NULL) free(ri->author_url);
- ri->author_url = NULL;
- if (ri->description != NULL) free(ri->description);
- ri->description = NULL;
- /* Throw away any existing character data */
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
- }
+ long len;
+ const char *Key;
+ rss_aggregator *RSSAggr = (rss_aggregator *) IO->Data;
+
+ rss_format_item(RSSAggr->ThisMsg);
+
+ RSSAggr->ThisMsg->Msg.cm_fields['M'] =
+ SmashStrBuf(&RSSAggr->ThisMsg->Message);
+
+ CtdlSubmitMsg(&RSSAggr->ThisMsg->Msg, &RSSAggr->recp, NULL, 0);
+
+ /* write the uidl to the use table so we don't store this item again */
+
+ CheckIfAlreadySeen("RSS Item Insert", RSSAggr->ThisMsg->MsgGUID, IO->Now, 0, eWrite, IO->ID, CCID);
+
+ if (GetNextHashPos(RSSAggr->Messages,
+ RSSAggr->Pos,
+ &len, &Key,
+ (void**) &RSSAggr->ThisMsg))
+ return NextDBOperation(IO, RSS_FetchNetworkUsetableEntry);
+ else
+ return eAbort;
}
-void rss_xml_start(void *data, const char *supplied_el, const char **attr) {
- rsscollection *rssc = (rsscollection*) data;
- rss_item *ri = rssc->Item;
- char el[256];
- 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);
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
- }
+eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
+{
+ const char *Key;
+ long len;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
- if ((rssc->Cfg->ItemType == RSS_UNSET) && !strcasecmp(el, "rss"))
- {
- CtdlLogPrintf(9, "RSS: This is an RSS feed.\n");
- rssc->Cfg->ItemType = RSS_RSS;
- }
- if ((rssc->Cfg->ItemType == RSS_UNSET) && !strcasecmp(el, "rdf"))
- {
- CtdlLogPrintf(9, "RSS: This is an RDF feed.\n");
- rssc->Cfg->ItemType = RSS_RSS;
- }
- else if ((rssc->Cfg->ItemType == RSS_UNSET) && !strcasecmp(el, "feed"))
+ /* Find out if we've already seen this item */
+// todo: expiry?
+#ifndef DEBUG_RSS
+ SetRSSState(IO, eRSSUT);
+ if (CheckIfAlreadySeen("RSS Item Seen",
+ Ctx->ThisMsg->MsgGUID,
+ IO->Now,
+ IO->Now - USETABLE_ANTIEXPIRE,
+ eCheckUpdate,
+ IO->ID, CCID)
+ != 0)
{
- CtdlLogPrintf(9, "RSS: This is an ATOM feed.\n");
- rssc->Cfg->ItemType = RSS_ATOM;
+ /* Item has already been seen */
+ EVRSSC_syslog(LOG_DEBUG,
+ "%s has already been seen\n",
+ ChrPtr(Ctx->ThisMsg->MsgGUID));
+ SetRSSState(IO, eRSSParsing);
+
+ if (GetNextHashPos(Ctx->Messages,
+ Ctx->Pos,
+ &len, &Key,
+ (void**) &Ctx->ThisMsg))
+ return NextDBOperation(
+ IO,
+ RSS_FetchNetworkUsetableEntry);
+ else
+ return eAbort;
}
- else if ((rssc->Cfg->ItemType == RSS_RSS) &&
- !strcasecmp(el, "item"))
+ else
+#endif
{
- ri->item_tag_nesting ++ ;
- flush_rss_ite(ri);
- }
- else if ( (rssc->Cfg->ItemType == RSS_ATOM) &&
- !strcasecmp(el, "entry"))
- { /* Atom feed... */
- ++ri->item_tag_nesting;
- flush_rss_ite(ri);
+ SetRSSState(IO, eRSSParsing);
+
+ NextDBOperation(IO, RSSSaveMessage);
+ return eSendMore;
}
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- !strcasecmp(el, "link"))
+ return eSendMore;
+}
+
+void UpdateLastKnownGood(pRSSConfig *pCfg, time_t now)
+{
+ OneRoomNetCfg* pRNCfg;
+ begin_critical_section(S_NETCONFIGS);
+ pRNCfg = CtdlGetNetCfgForRoom (pCfg->QRnumber);
+ if (pRNCfg != NULL)
{
- int found ;
- int i;
+ RSSCfgLine *RSSCfg = (RSSCfgLine *)pRNCfg->NetConfigs[rssclient];
- for (found = 0, i = 0;!found && attr[i] != NULL; i+=2)
+ while (RSSCfg != NULL)
{
- if (!strcmp(attr[i], "href"))
- {
- found = 1;
- if (ri->link != NULL)
- free(ri->link);
- ri->link = strdup(attr[i+1]);
- striplt(ri->link);
- }
- }
+ if (RSSCfg == pCfg->pCfg)
+ break;
+ RSSCfg = RSSCfg->next;
+ }
+ if (RSSCfg != NULL)
+ {
+ pRNCfg->changed = 1;
+ RSSCfg->last_known_good = now;
+ }
}
+ end_critical_section(S_NETCONFIGS);
}
-void rss_xml_end(void *data, const char *supplied_el) {
- rsscollection *rssc = (rsscollection*) data;
- rss_item *ri = rssc->Item;
- char el[256];
- char *sep = NULL;
-
- /* Axe the namespace, we don't care about it */
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
- }
-// CtdlLogPrintf(0, "RSS: END %s...\n", el);
-
- if ( (!strcasecmp(el, "title")) && (ri->item_tag_nesting == 0) && (ri->chardata != NULL) ) {
- safestrncpy(ri->channel_title, ri->chardata, sizeof ri->channel_title);
- striplt(ri->channel_title);
- }
+eNextState RSSAggregator_AnalyseReply(AsyncIO *IO)
+{
+ HashPos *it = NULL;
+ long len;
+ const char *Key;
+ pRSSConfig *pCfg;
+ u_char rawdigest[MD5_DIGEST_LEN];
+ struct MD5Context md5context;
+ StrBuf *guid;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
- if ( (rssc->Cfg->ItemType == RSS_RSS) &&
- (!strcasecmp(el, "guid")) && (ri->chardata != NULL) ) {
- if (ri->guid != NULL) free(ri->guid);
- striplt(ri->chardata);
- ri->guid = strdup(ri->chardata);
- }
- else if ( (rssc->Cfg->ItemType == RSS_ATOM) &&
- (!strcasecmp(el, "id")) && (ri->chardata != NULL) ) {
- if (ri->guid != NULL) free(ri->guid);
- striplt(ri->chardata);
- ri->guid = strdup(ri->chardata);
+ if (IO->HttpReq.httpcode != 200)
+ {
+ StrBuf *ErrMsg;
+ long lens[2];
+ const char *strs[2];
+
+ SetRSSState(IO, eRSSFailure);
+ 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,
+ IO->Now,
+ IO->ID, CCID);
+
+ FreeStrBuf(&ErrMsg);
+ EVRSSC_syslog(LOG_DEBUG,
+ "RSS feed returned an invalid http status code. <%s><HTTP %ld>\n",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode);
+ return eAbort;
}
- else if ( (rssc->Cfg->ItemType == RSS_RSS) && (!strcasecmp(el, "link")) && (ri->chardata != NULL) ) {
- if (ri->link != NULL) free(ri->link);
- striplt(ri->chardata);
- ri->link = strdup(ri->chardata);
- }
+ pCfg = &Ctx->Cfg;
- else if ( (!strcasecmp(el, "title")) && (ri->chardata != NULL) ) {
- if (ri->title != NULL) free(ri->title);
- striplt(ri->chardata);
- ri->title = strdup(ri->chardata);
+ while (pCfg != NULL)
+ {
+ UpdateLastKnownGood (pCfg, IO->Now);
+ if ((Ctx->roomlist_parts > 1) &&
+ (it == NULL))
+ {
+ it = GetNewHashPos(RSSFetchUrls, 0);
+ }
+ if (it != NULL)
+ {
+ void *vptr;
+ if (GetNextHashPos(Ctx->OtherQRnumbers, it, &len, &Key, &vptr))
+ pCfg = vptr;
+ else
+ pCfg = NULL;
+ }
+ else
+ pCfg = NULL;
}
+ DeleteHashPos (&it);
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- (!strcasecmp(el, "content")) &&
- (ri->chardata != NULL) ) {
- if (ri->description != NULL) free(ri->description);
- ri->description = strdup(ri->chardata);
- }
- else if ( (rssc->Cfg->ItemType == RSS_RSS) &&
- (!strcasecmp(el, "description")) &&
- (ri->chardata != NULL) ) {
- if (ri->description != NULL) free(ri->description);
- ri->description = strdup(ri->chardata);
- }
-
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- ((!strcasecmp(el, "published")) ||
- (!strcasecmp(el, "updated"))) &&
- (ri->chardata != NULL) ) {
- striplt(ri->chardata);
- ri->pubdate = rdf_parsedate(ri->chardata);
- }
+ SetRSSState(IO, eRSSUT);
+ MD5Init(&md5context);
- else if ((rssc->Cfg->ItemType == RSS_RSS) &&
- ((!strcasecmp(el, "pubdate")) ||
- (!strcasecmp(el, "date"))) &&
- (ri->chardata != NULL) ) {
- striplt(ri->chardata);
- ri->pubdate = rdf_parsedate(ri->chardata);
- }
+ MD5Update(&md5context,
+ (const unsigned char*)SKEY(IO->HttpReq.ReplyData));
- else if ((rssc->Cfg->ItemType == RSS_RSS) &&
- ((!strcasecmp(el, "author")) ||
- (!strcasecmp(el, "creator"))) &&
- (ri->chardata != NULL) ) {
- if (ri->author_or_creator != NULL) free(ri->author_or_creator);
- striplt(ri->chardata);
- ri->author_or_creator = strdup(ri->chardata);
- }
+ MD5Update(&md5context,
+ (const unsigned char*)SKEY(Ctx->Url));
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- (!strcasecmp(el, "name")) &&
- (ri->chardata != NULL) ) {
- if (ri->author_or_creator != NULL) free(ri->author_or_creator);
- striplt(ri->chardata);
- ri->author_or_creator = strdup(ri->chardata);
- }
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- (!strcasecmp(el, "uri")) &&
- (ri->chardata != NULL) ) {
- if (ri->author_url != NULL) free(ri->author_url);
- striplt(ri->chardata);
- ri->author_url = strdup(ri->chardata);
- }
+ 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 */
- else if ((rssc->Cfg->ItemType == RSS_RSS) &&
- !strcasecmp(el, "item")) {
- --ri->item_tag_nesting;
- rss_save_item(rssc);
- }
- else if ((rssc->Cfg->ItemType == RSS_ATOM) &&
- !strcasecmp(el, "entry")) {
- --ri->item_tag_nesting;
- rss_save_item(rssc);
- }
+#ifndef DEBUG_RSS
- else if ( (!strcasecmp(el, "rss")) ||
- (!strcasecmp(el, "rdf")) ) {
-// CtdlLogPrintf(CTDL_DEBUG, "End of feed detected. Closing parser.\n");
- ri->done_parsing = 1;
- }
+ if (CheckIfAlreadySeen("RSS Whole",
+ guid,
+ IO->Now,
+ IO->Now - USETABLE_ANTIEXPIRE,
+ eCheckUpdate,
+ IO->ID, CCID)
+ != 0)
+ {
+ FreeStrBuf(&guid);
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
+ EVRSSC_syslog(LOG_DEBUG, "RSS feed already seen. <%s>\n", ChrPtr(Ctx->Url));
+ return eAbort;
}
-
+ FreeStrBuf(&guid);
+#endif
+ SetRSSState(IO, eRSSParsing);
+ return RSSAggregator_ParseReply(IO);
}
+eNextState RSSAggregator_FinishHttp(AsyncIO *IO)
+{
+ StopCurlWatchers(IO);
+ return QueueDBOperation(IO, RSSAggregator_AnalyseReply);
+}
/*
- * This callback stores up the data which appears in between tags.
+ * Begin a feed parse
*/
-void rss_xml_chardata(void *data, const XML_Char *s, int len) {
- rsscollection *rssc = (rsscollection*) data;
- rss_item *ri = rssc->Item;
- int old_len;
- int new_len;
- char *new_buffer;
-
- old_len = ri->chardata_len;
- new_len = old_len + len;
- new_buffer = realloc(ri->chardata, new_len + 1);
- if (new_buffer != NULL) {
- memcpy(&new_buffer[old_len], s, len);
- new_buffer[new_len] = 0;
- ri->chardata = new_buffer;
- ri->chardata_len = new_len;
+int rss_do_fetching(rss_aggregator *RSSAggr)
+{
+ AsyncIO *IO = &RSSAggr->IO;
+ rss_item *ri;
+ time_t now;
+
+ now = time(NULL);
+
+ 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;
}
-}
+ SetRSSState(IO, eRSSCreated);
+
+ 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);
+ SetRSSState(IO, eRSSFetching);
+ QueueCurlContext(&RSSAggr->IO);
+ return 1;
+}
/*
- * Callback function for passing libcurl's output to expat for parsing
+ * Scan a room's netconfig to determine whether it is requesting any RSS feeds
*/
-size_t rss_libcurl_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+void rssclient_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCFG)
{
- XML_Parse((XML_Parser)stream, ptr, (size * nmemb), 0);
- return (size*nmemb);
-}
+ const RSSCfgLine *RSSCfg = (RSSCfgLine *)OneRNCFG->NetConfigs[rssclient];
+ rss_aggregator *RSSAggr = NULL;
+ rss_aggregator *use_this_RSSAggr = NULL;
+ void *vptr;
+ 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);
+ if (server_shutting_down) return;
-/*
- * Begin a feed parse
- */
-void rss_do_fetching(rssnetcfg *Cfg) {
- rsscollection rssc;
- rss_item ri;
- XML_Parser xp;
+ while (RSSCfg != NULL)
+ {
+ pthread_mutex_lock(&RSSQueueMutex);
+ GetHash(RSSFetchUrls,
+ SKEY(RSSCfg->Url),
+ &vptr);
+
+ use_this_RSSAggr = (rss_aggregator *)vptr;
+ if (use_this_RSSAggr != NULL)
+ {
+ pRSSConfig *pRSSCfg;
- CURL *curl;
- CURLcode res;
- char errmsg[1024] = "";
+ StrBufAppendBufPlain(
+ use_this_RSSAggr->rooms,
+ qrbuf->QRname,
+ -1, 0);
+ if (use_this_RSSAggr->roomlist_parts==1)
+ {
+ use_this_RSSAggr->OtherQRnumbers
+ = NewHash(1, lFlathash);
+ }
- rssc.Item = &ri;
- rssc.Cfg = Cfg;
+ pRSSCfg = (pRSSConfig *) malloc(sizeof(pRSSConfig));
- CtdlLogPrintf(CTDL_DEBUG, "Fetching RSS feed <%s>\n", Cfg->url);
+ pRSSCfg->QRnumber = qrbuf->QRnumber;
+ pRSSCfg->pCfg = RSSCfg;
- curl = curl_easy_init();
- if (!curl) {
- CtdlLogPrintf(CTDL_ALERT, "Unable to initialize libcurl.\n");
- return;
+ Put(use_this_RSSAggr->OtherQRnumbers,
+ LKEY(qrbuf->QRnumber),
+ pRSSCfg,
+ NULL);
+ use_this_RSSAggr->roomlist_parts++;
+
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ RSSCfg = RSSCfg->next;
+ continue;
+ }
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ RSSAggr = (rss_aggregator *) malloc(
+ sizeof(rss_aggregator));
+
+ memset (RSSAggr, 0, sizeof(rss_aggregator));
+ RSSAggr->Cfg.QRnumber = qrbuf->QRnumber;
+ RSSAggr->Cfg.pCfg = RSSCfg;
+ RSSAggr->roomlist_parts = 1;
+ RSSAggr->Url = NewStrBufDup(RSSCfg->Url);
+
+ 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);
+ RSSCfg = RSSCfg->next;
}
+}
- xp = XML_ParserCreateNS("UTF-8", ':');
- if (!xp) {
- CtdlLogPrintf(CTDL_ALERT, "Cannot create XML parser!\n");
- curl_easy_cleanup(curl);
+/*
+ * Scan for rooms that have RSS client requests configured
+ */
+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;
}
- 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);
+ /*
+ * This is a simple concurrency check to make sure only one rssclient
+ * run is done at a time.
+ */
+ 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;
}
- 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);
- if (CtdlThreadCheckStop())
+ become_session(&rss_CC);
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient started");
+ CtdlForEachNetCfgRoom(rssclient_scan_room, NULL, rssclient);
+
+ if (GetCount(RSSFetchUrls) > 0)
{
- XML_ParserFree(xp);
- curl_easy_cleanup(curl);
- return;
+ pthread_mutex_lock(&RSSQueueMutex);
+ EVRSSQ_syslog(LOG_DEBUG,
+ "rssclient starting %d Clients",
+ GetCount(RSSFetchUrls));
+
+ 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);
}
-
- if (CtdlThreadCheckStop())
- goto shutdown ;
+ else
+ EVRSSQM_syslog(LOG_DEBUG, "Nothing to do.");
- res = curl_easy_perform(curl);
- if (res) {
- CtdlLogPrintf(CTDL_ALERT, "libcurl error %d: %s\n", res, errmsg);
- }
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient ended\n");
+ return;
+}
+
+void rss_cleanup(void)
+{
+ /* citthread_mutex_destroy(&RSSQueueMutex); TODO */
+ DeleteHash(&RSSFetchUrls);
+ DeleteHash(&RSSQueueRooms);
+}
- if (CtdlThreadCheckStop())
- goto shutdown ;
+void LogDebugEnableRSSClient(const int n)
+{
+ RSSClientDebugEnabled = n;
+}
- if (ri.done_parsing == 0)
- XML_Parse(xp, "", 0, 1);
+typedef struct __RSSVetoInfo {
+ StrBuf *ErrMsg;
+ time_t Now;
+ int Veto;
+}RSSVetoInfo;
- CtdlLogPrintf(CTDL_ALERT, "RSS: XML Status [%s] \n",
- XML_ErrorString(
- XML_GetErrorCode(xp)));
+void rssclient_veto_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCFG)
+{
+ RSSVetoInfo *Info = (RSSVetoInfo *) data;
+ const RSSCfgLine *RSSCfg = (RSSCfgLine *)OneRNCFG->NetConfigs[rssclient];
-shutdown:
- curl_easy_cleanup(curl);
- XML_ParserFree(xp);
+ while (RSSCfg != NULL)
+ {
+ if ((RSSCfg->last_known_good != 0) &&
+ (RSSCfg->last_known_good + USETABLE_ANTIEXPIRE < Info->Now))
+ {
+ StrBufAppendPrintf(Info->ErrMsg,
+ "RSS feed not seen for a %d days:: <",
+ (Info->Now - RSSCfg->last_known_good) / (24 * 60 * 60));
- flush_rss_ite(&ri);
+ StrBufAppendBuf(Info->ErrMsg, RSSCfg->Url, 0);
+ StrBufAppendBufPlain(Info->ErrMsg, HKEY(">\n"), 0);
+ }
+ RSSCfg = RSSCfg->next;
+ }
}
-
-/*
- * Scan a room's netconfig to determine whether it is requesting any RSS feeds
- */
-void rssclient_scan_room(struct ctdlroom *qrbuf, void *data)
+int RSSCheckUsetableVeto(StrBuf *ErrMsg)
{
- 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;
-
- assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
-
- if (CtdlThreadCheckStop())
- return;
-
- /* Only do net processing for rooms that have netconfigs */
- fp = fopen(filename, "r");
- if (fp == NULL) {
- return;
- }
+ RSSVetoInfo Info;
+
+ Info.ErrMsg = ErrMsg;
+ Info.Now = time (NULL);
+ Info.Veto = 0;
- while (fgets(buf, sizeof buf, fp) != NULL && !CtdlThreadCheckStop()) {
- buf[strlen(buf)-1] = 0;
+ CtdlForEachNetCfgRoom(rssclient_veto_scan_room, &Info, rssclient);
- extract_token(instr, buf, 0, '|', sizeof instr);
- if (!strcasecmp(instr, "rssclient")) {
+ return Info.Veto;;
+}
- use_this_rncptr = NULL;
- extract_token(feedurl, buf, 1, '|', sizeof feedurl);
- /* 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;
- }
- }
- /* 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;
- }
- }
+void ParseRSSClientCfgLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
+{
+ RSSCfgLine *RSSCfg;
- /* Add the room name to the request */
- if (use_this_rncptr != NULL) {
- if (use_this_rncptr->rooms == NULL) {
- rncptr->rooms = strdup(qrbuf->QRname);
- }
- 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;
- }
- }
- }
- }
+ RSSCfg = (RSSCfgLine *) malloc (sizeof(RSSCfgLine));
+ RSSCfg->Url = NewStrBufPlain (NULL, StrLength (Line));
+
- }
+ StrBufExtract_NextToken(RSSCfg->Url, Line, &LinePos, '|');
+ RSSCfg->last_known_good = StrBufExtractNext_long(Line, &LinePos, '|');
- fclose(fp);
+ RSSCfg->next = (RSSCfgLine *)OneRNCFG->NetConfigs[ThisOne->C];
+ OneRNCFG->NetConfigs[ThisOne->C] = (RoomNetCfgLine*) RSSCfg;
}
-/*
- * 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;
+void SerializeRSSClientCfgLine(const CfgLineType *ThisOne, StrBuf *OutputBuffer, OneRoomNetCfg *RNCfg, RoomNetCfgLine *data)
+{
+ RSSCfgLine *RSSCfg = (RSSCfgLine*) data;
- /* Give this thread its own private CitContext */
- CtdlFillSystemContext(&rssclientCC, "rssclient");
- citthread_setspecific(MyConKey, (void *)&rssclientCC );
+ StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
+ StrBufAppendBufPlain(OutputBuffer, HKEY("|"), 0);
+ StrBufAppendBufPlain(OutputBuffer, SKEY(RSSCfg->Url), 0);
+ StrBufAppendPrintf(OutputBuffer, "|%ld\n", RSSCfg->last_known_good);
+}
- /*
- * 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.
- */
- if (doing_rssclient) return NULL;
- doing_rssclient = 1;
-
- CtdlLogPrintf(CTDL_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);
- }
+void DeleteRSSClientCfgLine(const CfgLineType *ThisOne, RoomNetCfgLine **data)
+{
+ RSSCfgLine *RSSCfg = (RSSCfgLine*) *data;
- 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;
+ FreeStrBuf(&RSSCfg->Url);
+ free(*data);
+ *data = NULL;
}
CTDL_MODULE_INIT(rssclient)
{
- if (threading)
+ if (!threading)
+ {
+ CtdlRegisterTDAPVetoHook (RSSCheckUsetableVeto, CDB_USETABLE, 0);
+
+ CtdlREGISTERRoomCfgType(rssclient, ParseRSSClientCfgLine, 0, 1, SerializeRSSClientCfgLine, DeleteRSSClientCfgLine);
+ 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);
+ }
+ else
{
- CtdlLogPrintf(CTDL_INFO, "%s\n", curl_version());
- CtdlThreadSchedule ("RSS Client", CTDLTHREAD_BIGSTACK, rssclient_scan, NULL, 0);
+ CtdlFillSystemContext(&rss_CC, "rssclient");
}
- /* return our Subversion id for the Log */
- return "rssclient";
+ return "rssclient";
}