SEEN-Database: refactor database interface for remembering whether we already aggrega...
[citadel.git] / citadel / modules / pop3client / serv_pop3client.c
index e5ba9bf3e1a30a330296f54596493454dd53be99..2d4c02530adc6470a0b9ed460abfc766c5ed0b8d 100644 (file)
@@ -63,12 +63,12 @@ int POP3ClientDebugEnabled = 0;
 
 #define EVP3C_syslog(LEVEL, FORMAT, ...)                               \
        DBGLOG(LEVEL) syslog(LEVEL,                                     \
-                            "IO[%ld]CC[%d][%ld]" FORMAT,               \
+                            "IO[%ld]CC[%d][%ld]POP3: " FORMAT,         \
                             IO->ID, CCID, N, __VA_ARGS__)
 
 #define EVP3CM_syslog(LEVEL, FORMAT)                                   \
        DBGLOG(LEVEL) syslog(LEVEL,                                     \
-                            "IO[%ld]CC[%d][%ld]" FORMAT,               \
+                            "IO[%ld]CC[%d][%ld]POP3: " FORMAT,         \
                             IO->ID, CCID, N)
 
 #define EVP3CQ_syslog(LEVEL, FORMAT, ...)                              \
@@ -82,21 +82,23 @@ int POP3ClientDebugEnabled = 0;
                )
 
 #define EVP3CCS_syslog(LEVEL, FORMAT, ...)                             \
-       DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]" FORMAT,              \
+       DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]POP3: " FORMAT,        \
                             IO->ID, N, __VA_ARGS__)
 
-#define EVP3CCSM_syslog(LEVEL, FORMAT)                         \
-       DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]" FORMAT,      \
+#define EVP3CCSM_syslog(LEVEL, FORMAT)                                 \
+       DBGLOG(LEVEL) syslog(LEVEL, "IO[%ld][%ld]POP3: " FORMAT,        \
                             IO->ID, N)
 
 #define POP3C_DBG_SEND()                                               \
        EVP3C_syslog(LOG_DEBUG,                                         \
-                    "POP3: > %s\n",                                    \
+                    "IO[%ld]CC[%d][%ld]POP3: > %s\n",                  \
+                    IO->ID, CCID, N,                                   \
                     ChrPtr(RecvMsg->IO.SendBuf.Buf))
 
-#define POP3C_DBG_READ()                               \
-       EVP3C_syslog(LOG_DEBUG,                         \
-                    "POP3: < %s\n",                    \
+#define POP3C_DBG_READ()                                               \
+       EVP3C_syslog(LOG_DEBUG,                                         \
+                    "IO[%ld]CC[%d][%ld]POP3: < %s\n",                  \
+                    IO->ID, CCID, N,                                   \
                     ChrPtr(RecvMsg->IO.IOBuf))
 
 
@@ -197,8 +199,10 @@ void DeletePOP3Aggregator(void *vptr)
        FreeStrBuf(&ptr->IO.SendBuf.Buf);
        FreeStrBuf(&ptr->IO.RecvBuf.Buf);
        DeleteAsyncMsg(&ptr->IO.ReadMsg);
-       ((struct CitContext*)ptr->IO.CitContext)->state = CON_IDLE;
-       ((struct CitContext*)ptr->IO.CitContext)->kill_me = 1;
+       if (((struct CitContext*)ptr->IO.CitContext)) {
+               ((struct CitContext*)ptr->IO.CitContext)->state = CON_IDLE;
+               ((struct CitContext*)ptr->IO.CitContext)->kill_me = 1;
+       }
        FreeAsyncIOContents(&ptr->IO);
        free(ptr);
 }
@@ -328,6 +332,17 @@ eNextState POP3C_GetListOneLine(pop3aggr *RecvMsg)
                return eSendReply;
 
        }
+
+       /*
+        * work around buggy pop3 servers which send
+        * empty lines in their listings.
+       */
+       if ((StrLength(RecvMsg->IO.IOBuf) == 0) ||
+           !isdigit(ChrPtr(RecvMsg->IO.IOBuf)[0]))
+       {
+               return eReadMore;
+       }
+
        OneMsg = (FetchItem*) malloc(sizeof(FetchItem));
        memset(OneMsg, 0, sizeof(FetchItem));
        OneMsg->MSGID = atol(ChrPtr(RecvMsg->IO.IOBuf));
@@ -358,7 +373,6 @@ eNextState POP3_FetchNetworkUsetableEntry(AsyncIO *IO)
        long HKLen;
        const char *HKey;
        void *vData;
-       struct cdbdata *cdbut;
        pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
 
        if((RecvMsg->Pos != NULL) &&
@@ -368,32 +382,19 @@ eNextState POP3_FetchNetworkUsetableEntry(AsyncIO *IO)
                          &HKey,
                          &vData))
        {
-               struct UseTable ut;
                if (server_shutting_down)
                        return eAbort;
 
-               RecvMsg->CurrMsg = (FetchItem*) vData;
-               EVP3CCS_syslog(LOG_DEBUG,
-                              "CHECKING: whether %s has already been seen: ",
-                              ChrPtr(RecvMsg->CurrMsg->MsgUID));
-
-               /* Find out if we've already seen this item */
-               safestrncpy(ut.ut_msgid,
-                           ChrPtr(RecvMsg->CurrMsg->MsgUID),
-                           sizeof(ut.ut_msgid));
-               ut.ut_timestamp = time(NULL);/// TODO: libev timestamp!
-
-               cdbut = cdb_fetch(CDB_USETABLE, SKEY(RecvMsg->CurrMsg->MsgUID));
-               if (cdbut != NULL) {
+               if (CheckIfAlreadySeen("POP3 Item Seen",
+                                      RecvMsg->CurrMsg->MsgUID,
+                                      IO->Now,
+                                      IO->Now, //// todo
+                                      eCheckUpdate,
+                                      IO->ID, CCID)
+                   != 0)
+               {
                        /* Item has already been seen */
-                       EVP3CCSM_syslog(LOG_DEBUG, "YES\n");
-                       cdb_free(cdbut);
-
-                       /* rewrite the record anyway, to update the timestamp */
-                       cdb_store(CDB_USETABLE,
-                                 SKEY(RecvMsg->CurrMsg->MsgUID),
-                                 &ut, sizeof(struct UseTable) );
-                       RecvMsg->CurrMsg->NeedFetch = 0; ////TODO0;
+                       RecvMsg->CurrMsg->NeedFetch = 0;
                }
                else
                {
@@ -533,21 +534,17 @@ eNextState POP3C_ReadMessageBodyFollowing(pop3aggr *RecvMsg)
 eNextState POP3C_StoreMsgRead(AsyncIO *IO)
 {
        pop3aggr *RecvMsg = (pop3aggr *) IO->Data;
-       struct UseTable ut;
 
        EVP3CCS_syslog(LOG_DEBUG,
                       "MARKING: %s as seen: ",
                       ChrPtr(RecvMsg->CurrMsg->MsgUID));
+       CheckIfAlreadySeen("POP3 Item Seen",
+                          RecvMsg->CurrMsg->MsgUID,
+                          IO->Now,
+                          IO->Now, //// todo
+                          eWrite,
+                          IO->ID, CCID);
 
-       safestrncpy(ut.ut_msgid,
-                   ChrPtr(RecvMsg->CurrMsg->MsgUID),
-                   sizeof(ut.ut_msgid));
-       ut.ut_timestamp = time(NULL); /* TODO: use libev time */
-       cdb_store(CDB_USETABLE,
-                 ChrPtr(RecvMsg->CurrMsg->MsgUID),
-                 StrLength(RecvMsg->CurrMsg->MsgUID),
-                 &ut,
-                 sizeof(struct UseTable) );
        StopDBWatchers(IO);
        return QueueEventContext(&RecvMsg->IO, POP3_C_ReAttachToFetchMessages);
 }
@@ -981,22 +978,10 @@ int pop3_do_fetching(pop3aggr *cpptr)
 /*
  * Scan a room's netconfig to determine whether it requires POP3 aggregation
  */
-void pop3client_scan_room(struct ctdlroom *qrbuf, void *data)
+void pop3client_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCFG)
 {
-       StrBuf *CfgData;
-       StrBuf *CfgType;
-       StrBuf *Line;
-
-       struct stat statbuf;
-       char filename[PATH_MAX];
-       int  fd;
-       int Done;
+       const RoomNetCfgLine *pLine;
        void *vptr;
-       const char *CfgPtr, *lPtr;
-       const char *Err;
-
-//     pop3_room_counter *Count = NULL;
-//     pop3aggr *cpptr;
 
        pthread_mutex_lock(&POP3QueueMutex);
        if (GetHash(POP3QueueRooms, LKEY(qrbuf->QRnumber), &vptr))
@@ -1012,167 +997,88 @@ void pop3client_scan_room(struct ctdlroom *qrbuf, void *data)
 
        if (server_shutting_down) return;
 
-       assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
+       pLine = OneRNCFG->NetConfigs[pop3client];
 
-       if (server_shutting_down)
-               return;
+       while (pLine != NULL)
+       {
+               pop3aggr *cptr;
 
-       /* Only do net processing for rooms that have netconfigs */
-       fd = open(filename, 0);
-       if (fd <= 0) {
-               return;
-       }
-       if (server_shutting_down)
-               return;
-       if (fstat(fd, &statbuf) == -1) {
-               EVP3CQ_syslog(LOG_INFO,
-                             "ERROR: could not stat configfile '%s' - %s",
-                             filename,
-                             strerror(errno));
-               return;
-       }
-       if (server_shutting_down)
-               return;
-       CfgData = NewStrBufPlain(NULL, statbuf.st_size + 1);
-       if (StrBufReadBLOB(CfgData, &fd, 1, statbuf.st_size, &Err) < 0) {
-               close(fd);
-               FreeStrBuf(&CfgData);
-               EVP3CQ_syslog(LOG_INFO,
-                             "ERROR: reading config '%s' - %s",
-                             filename, strerror(errno));
-               return;
-       }
-       close(fd);
-       if (server_shutting_down)
-               return;
+               cptr = (pop3aggr *) malloc(sizeof(pop3aggr));
+               memset(cptr, 0, sizeof(pop3aggr));
+               ///TODO do we need this? cptr->roomlist_parts=1;
+               cptr->RoomName = NewStrBufPlain(qrbuf->QRname, -1);
+               cptr->pop3user = NewStrBufDup(pLine->Value[1]);
+               cptr->pop3pass = NewStrBufDup(pLine->Value[2]);
+               cptr->Url = NewStrBuf();
+               cptr->Host = NewStrBufDup(pLine->Value[0]);
 
-       CfgPtr = NULL;
-       CfgType = NewStrBuf();
-       Line = NewStrBufPlain(NULL, StrLength(CfgData));
-       Done = 0;
+               cptr->keep = atol(ChrPtr(pLine->Value[3]));
+               cptr->interval = atol(ChrPtr(pLine->Value[4]));
 
-       while (!Done)
-       {
-               Done = StrBufSipLine(Line, CfgData, &CfgPtr) == 0;
-               if (StrLength(Line) > 0)
-               {
-                       lPtr = NULL;
-                       StrBufExtract_NextToken(CfgType, Line, &lPtr, '|');
-                       if (!strcasecmp("pop3client", ChrPtr(CfgType)))
-                       {
-                               pop3aggr *cptr;
-/*
-                               if (Count == NULL)
-                               {
-                               Count = malloc(sizeof(pop3_room_counter));
-                                       Count->count = 0;
-                               }
-                               Count->count ++;
-*/
-                               cptr = (pop3aggr *) malloc(sizeof(pop3aggr));
-                               memset(cptr, 0, sizeof(pop3aggr));
-                               ///TODO do we need this? cptr->roomlist_parts=1;
-                               cptr->RoomName =
-                                       NewStrBufPlain(qrbuf->QRname, -1);
-                               cptr->pop3user =
-                                       NewStrBufPlain(NULL, StrLength(Line));
-                               cptr->pop3pass =
-                                       NewStrBufPlain(NULL, StrLength(Line));
-                               cptr->Url = NewStrBuf();
-                               cptr->Host =
-                                       NewStrBufPlain(NULL, StrLength(Line));
-
-                               StrBufExtract_NextToken(cptr->Host, Line, &lPtr, '|');
-                               StrBufExtract_NextToken(cptr->pop3user,
-                                                       Line,
-                                                       &lPtr,
-                                                       '|');
-
-                               StrBufExtract_NextToken(cptr->pop3pass,
-                                                       Line,
-                                                       &lPtr,
-                                                       '|');
-
-                               cptr->keep = StrBufExtractNext_long(Line,
-                                                                   &lPtr,
-                                                                   '|');
-
-                               cptr->interval = StrBufExtractNext_long(Line,
-                                                                       &lPtr,
-                                                                       '|');
-
-                               StrBufAppendBufPlain(cptr->Url, HKEY("pop3://"), 0);
-                               StrBufUrlescUPAppend(cptr->Url, cptr->pop3user, NULL);
-                               StrBufAppendBufPlain(cptr->Url, HKEY(":"), 0);
-                               StrBufUrlescUPAppend(cptr->Url, cptr->pop3pass, NULL);
-                               StrBufAppendBufPlain(cptr->Url, HKEY("@"), 0);
-                               StrBufAppendBuf(cptr->Url, cptr->Host, 0);
-                               StrBufAppendBufPlain(cptr->Url, HKEY("/"), 0);
-                               StrBufUrlescAppend(cptr->Url, cptr->RoomName, NULL);
-
-                               ParseURL(&cptr->IO.ConnectMe, cptr->Url, 110);
+               StrBufAppendBufPlain(cptr->Url, HKEY("pop3://"), 0);
+               StrBufUrlescUPAppend(cptr->Url, cptr->pop3user, NULL);
+               StrBufAppendBufPlain(cptr->Url, HKEY(":"), 0);
+               StrBufUrlescUPAppend(cptr->Url, cptr->pop3pass, NULL);
+               StrBufAppendBufPlain(cptr->Url, HKEY("@"), 0);
+               StrBufAppendBuf(cptr->Url, cptr->Host, 0);
+               StrBufAppendBufPlain(cptr->Url, HKEY("/"), 0);
+               StrBufUrlescAppend(cptr->Url, cptr->RoomName, NULL);
+
+               ParseURL(&cptr->IO.ConnectMe, cptr->Url, 110);
 
 
 #if 0
 /* todo: we need to reunite the url to be shure. */
 
-                               pthread_mutex_lock(&POP3ueueMutex);
-                               GetHash(POP3FetchUrls, SKEY(ptr->Url), &vptr);
-                               use_this_cptr = (pop3aggr *)vptr;
+               pthread_mutex_lock(&POP3ueueMutex);
+               GetHash(POP3FetchUrls, SKEY(ptr->Url), &vptr);
+               use_this_cptr = (pop3aggr *)vptr;
 
-                               if (use_this_rncptr != NULL)
-                               {
-                                       /* mustn't attach to an active session */
-                                       if (use_this_cptr->RefCount > 0)
-                                       {
-                                               DeletePOP3Cfg(cptr);
+               if (use_this_rncptr != NULL)
+               {
+                       /* mustn't attach to an active session */
+                       if (use_this_cptr->RefCount > 0)
+                       {
+                               DeletePOP3Cfg(cptr);
 ///                                            Count->count--;
-                                       }
-                                       else
-                                       {
-                                               long *QRnumber;
-                                               StrBufAppendBufPlain(
-                                                       use_this_cptr->rooms,
-                                                       qrbuf->QRname,
-                                                       -1, 0);
-                                               if (use_this_cptr->roomlist_parts == 1)
-                                               {
-                                                       use_this_cptr->OtherQRnumbers
-                                                               = NewHash(1, lFlathash);
-                                               }
-                                               QRnumber = (long*)malloc(sizeof(long));
-                                               *QRnumber = qrbuf->QRnumber;
-                                               Put(use_this_cptr->OtherQRnumbers,
-                                                   LKEY(qrbuf->QRnumber),
-                                                   QRnumber,
-                                                   NULL);
-
-                                               use_this_cptr->roomlist_parts++;
-                                       }
-                                       pthread_mutex_unlock(&POP3QueueMutex);
-                                       continue;
+                       }
+                       else
+                       {
+                               long *QRnumber;
+                               StrBufAppendBufPlain(
+                                       use_this_cptr->rooms,
+                                       qrbuf->QRname,
+                                       -1, 0);
+                               if (use_this_cptr->roomlist_parts == 1)
+                               {
+                                       use_this_cptr->OtherQRnumbers
+                                               = NewHash(1, lFlathash);
                                }
-                               pthread_mutex_unlock(&RSSQueueMutex);
-#endif
-                               cptr->n = Pop3ClientID++;
-                               pthread_mutex_lock(&POP3QueueMutex);
-                               Put(POP3FetchUrls,
-                                   SKEY(cptr->Url),
-                                   cptr,
-                                   DeletePOP3Aggregator);
-
-                               pthread_mutex_unlock(&POP3QueueMutex);
-
+                               QRnumber = (long*)malloc(sizeof(long));
+                               *QRnumber = qrbuf->QRnumber;
+                               Put(use_this_cptr->OtherQRnumbers,
+                                   LKEY(qrbuf->QRnumber),
+                                   QRnumber,
+                                   NULL);
+
+                               use_this_cptr->roomlist_parts++;
                        }
-
+                       pthread_mutex_unlock(&POP3QueueMutex);
+                       continue;
                }
+               pthread_mutex_unlock(&RSSQueueMutex);
+#endif
+               cptr->n = Pop3ClientID++;
+               pthread_mutex_lock(&POP3QueueMutex);
+               Put(POP3FetchUrls,
+                   SKEY(cptr->Url),
+                   cptr,
+                   DeletePOP3Aggregator);
 
-               ///fclose(fp);
+               pthread_mutex_unlock(&POP3QueueMutex);
+               pLine = pLine->next;
 
        }
-       FreeStrBuf(&Line);
-       FreeStrBuf(&CfgType);
-       FreeStrBuf(&CfgData);
 }
 
 static int doing_pop3client = 0;
@@ -1210,7 +1116,7 @@ void pop3client_scan(void) {
        doing_pop3client = 1;
 
        EVP3CQM_syslog(LOG_DEBUG, "pop3client started");
-       CtdlForEachRoom(pop3client_scan_room, NULL);
+       CtdlForEachNetCfgRoom(pop3client_scan_room, NULL, pop3client);
 
        pthread_mutex_lock(&POP3QueueMutex);
        it = GetNewHashPos(POP3FetchUrls, 0);
@@ -1261,6 +1167,7 @@ CTDL_MODULE_INIT(pop3client)
        if (!threading)
        {
                CtdlFillSystemContext(&pop3_client_CC, "POP3aggr");
+               CtdlREGISTERRoomCfgType(pop3client, ParseGeneric, 0, 5, SerializeGeneric, DeleteGenericCfgLine);
                pthread_mutex_init(&POP3QueueMutex, NULL);
                POP3QueueRooms = NewHash(1, lFlathash);
                POP3FetchUrls = NewHash(1, NULL);