NETCFG: reimplement network_sync_to using the new api
[citadel.git] / citadel / modules / network / serv_network.c
index 5ab8892a0afa3ff5ae04b73952888800e2974809..41eae0940e499bf0a4787c11b19bf604bbe8193b 100644 (file)
@@ -5,19 +5,13 @@
  * Copyright (c) 2000-2012 by the citadel.org team
  *
  *  This program is open source 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.
+ *  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
  *  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
- *
  * ** NOTE **   A word on the S_NETCONFIGS semaphore:
  * This is a fairly high-level type of critical section.  It ensures that no
  * two threads work on the netconfigs files at the same time.  Since we do
 #include "file_ops.h"
 #include "citadel_dirs.h"
 #include "threads.h"
-
-#ifndef HAVE_SNPRINTF
-#include "snprintf.h"
-#endif
-
 #include "context.h"
-#include "netconfig.h"
+#include "ctdl_module.h"
 #include "netspool.h"
 #include "netmail.h"
-#include "ctdl_module.h"
+
+int NetQDebugEnabled = 0;
+struct CitContext networker_spool_CC;
 
 /* comes from lookup3.c from libcitadel... */
 extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
@@ -147,8 +138,9 @@ int GetNetworkedRoomNumbers(const char *DirName, HashList *DirList)
  * message from being entered into the database multiple times if it happens
  * to arrive multiple times by accident.
  */
-int network_usetable(struct CtdlMessage *msg) {
-
+int network_usetable(struct CtdlMessage *msg)
+{
+       struct CitContext *CCC = CC;
        char msgid[SIZ];
        struct cdbdata *cdbut;
        struct UseTable ut;
@@ -179,7 +171,7 @@ int network_usetable(struct CtdlMessage *msg) {
        cdbut = cdb_fetch(CDB_USETABLE, msgid, strlen(msgid));
        if (cdbut != NULL) {
                cdb_free(cdbut);
-               syslog(LOG_DEBUG, "network_usetable() : we already have %s\n", msgid);
+               QN_syslog(LOG_DEBUG, "network_usetable() : we already have %s\n", msgid);
                return(1);
        }
 
@@ -192,13 +184,6 @@ int network_usetable(struct CtdlMessage *msg) {
 
 
 
-
-
-
-
-
-
-
 /*
  * Send the *entire* contents of the current room to one specific network node,
  * ignoring anything we know about which messages have already undergone
@@ -206,71 +191,53 @@ int network_usetable(struct CtdlMessage *msg) {
  */
 int network_sync_to(char *target_node, long len)
 {
+       struct CitContext *CCC = CC;
+       const OneRoomNetCfg *OneRNCFG;
+       const RoomNetCfgLine *pCfgLine;
        SpoolControl sc;
        int num_spooled = 0;
-       int found_node = 0;
-       char buf[256];
-       char sc_type[256];
-       char sc_node[256];
-       char sc_room[256];
-       char filename[PATH_MAX];
-       FILE *fp;
 
        /* Grab the configuration line we're looking for */
-       assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
        begin_critical_section(S_NETCONFIGS);
-       fp = fopen(filename, "r");
-       if (fp == NULL) {
-               end_critical_section(S_NETCONFIGS);
-               return(-1);
-       }
-       while (fgets(buf, sizeof buf, fp) != NULL)
+       OneRNCFG = CtdlGetNetCfgForRoom(CCC->room.QRnumber);
+       if ((OneRNCFG == NULL) ||
+           (OneRNCFG->NetConfigs[ignet_push_share] == NULL))
        {
-               buf[strlen(buf)-1] = 0;
+               return -1;
+       }
 
-               extract_token(sc_type, buf, 0, '|', sizeof sc_type);
-               if (strcasecmp(sc_type, "ignet_push_share"))
-                       continue;
+       pCfgLine = OneRNCFG->NetConfigs[ignet_push_share];
+       while (pCfgLine != NULL)
+       {
+               if (strcmp(ChrPtr(pCfgLine->Value[0]), target_node))
+                       break;
+               pCfgLine = pCfgLine->next;
+       }
+       if (pCfgLine == NULL)
+       {
+               return -1;
+       }
+       memset(&sc, 0, sizeof(SpoolControl));
 
-               extract_token(sc_node, buf, 1, '|', sizeof sc_node);
-               if (!strcasecmp(sc_node, target_node))
-                       continue;
+       sc.NetConfigs[ignet_push_share] = DuplicateOneGenericCfgLine(pCfgLine);
 
-               extract_token(sc_room, buf, 2, '|', sizeof sc_room);
-               found_node = 1;
-                       
-               /* Concise syntax because we don't need a full linked-list */
-               memset(&sc, 0, sizeof(SpoolControl));
-               sc.ignet_push_shares = (maplist *)
-                       malloc(sizeof(maplist));
-               sc.ignet_push_shares->next = NULL;
-               safestrncpy(sc.ignet_push_shares->remote_nodename,
-                           sc_node,
-                           sizeof sc.ignet_push_shares->remote_nodename);
-               safestrncpy(sc.ignet_push_shares->remote_roomname,
-                           sc_room,
-                           sizeof sc.ignet_push_shares->remote_roomname);
-       }
-       fclose(fp);
        end_critical_section(S_NETCONFIGS);
 
-       if (!found_node) return(-1);
-
-       sc.working_ignetcfg = load_ignetcfg();
-       sc.the_netmap = read_network_map();
+       sc.working_ignetcfg = CtdlLoadIgNetCfg();
+       sc.the_netmap = CtdlReadNetworkMap();
 
        /* Send ALL messages */
        num_spooled = CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL,
                network_spool_msg, &sc);
 
        /* Concise cleanup because we know there's only one node in the sc */
-       free(sc.ignet_push_shares);
+       DeleteGenericCfgLine(NULL/*TODO*/, &sc.NetConfigs[ignet_push_share]);
 
        DeleteHash(&sc.working_ignetcfg);
        DeleteHash(&sc.the_netmap);
 
-       syslog(LOG_NOTICE, "Synchronized %d messages to <%s>\n",
-               num_spooled, target_node);
+       QN_syslog(LOG_NOTICE, "Synchronized %d messages to <%s>\n",
+                 num_spooled, target_node);
        return(num_spooled);
 }
 
@@ -391,7 +358,9 @@ void destroy_network_queue_room_locked (void)
 /*
  * Bounce a message back to the sender
  */
-void network_bounce(struct CtdlMessage *msg, char *reason) {
+void network_bounce(struct CtdlMessage *msg, char *reason)
+{
+       struct CitContext *CCC = CC;
        char *oldpath = NULL;
        char buf[SIZ];
        char bouncesource[SIZ];
@@ -401,7 +370,7 @@ void network_bounce(struct CtdlMessage *msg, char *reason) {
        static int serialnum = 0;
        size_t size;
 
-       syslog(LOG_DEBUG, "entering network_bounce()\n");
+       QNM_syslog(LOG_DEBUG, "entering network_bounce()\n");
 
        if (msg == NULL) return;
 
@@ -490,7 +459,7 @@ void network_bounce(struct CtdlMessage *msg, char *reason) {
        /* Clean up */
        if (valid != NULL) free_recipients(valid);
        CtdlFreeMessage(msg);
-       syslog(LOG_DEBUG, "leaving network_bounce()\n");
+       QNM_syslog(LOG_DEBUG, "leaving network_bounce()\n");
 }
 
 
@@ -504,7 +473,9 @@ void network_bounce(struct CtdlMessage *msg, char *reason) {
  * 
  * Run through the rooms doing various types of network stuff.
  */
-void network_do_queue(void) {
+void network_do_queue(void)
+{
+       struct CitContext *CCC = CC;
        static int doing_queue = 0;
        static time_t last_run = 0L;
        int full_processing = 1;
@@ -520,7 +491,7 @@ void network_do_queue(void) {
        if ( (time(NULL) - last_run) < config.c_net_freq ) {
                full_processing = 0;
                syslog(LOG_DEBUG, "Network full processing in %ld seconds.\n",
-                       config.c_net_freq - (time(NULL)- last_run)
+                      config.c_net_freq - (time(NULL)- last_run)
                );
        }
 
@@ -535,6 +506,7 @@ void network_do_queue(void) {
        }
        doing_queue = 1;
 
+       become_session(&networker_spool_CC);
        begin_critical_section(S_RPLIST);
        RL.rplist = rplist;
        rplist = NULL;
@@ -550,13 +522,13 @@ void network_do_queue(void) {
                        return;
        }
        /* Load the IGnet Configuration into memory */
-       working_ignetcfg = load_ignetcfg();
+       working_ignetcfg = CtdlLoadIgNetCfg();
 
        /*
         * Load the network map and filter list into memory.
         */
        if (!server_shutting_down)
-               the_netmap = read_network_map();
+               the_netmap = CtdlReadNetworkMap();
        if (!server_shutting_down)
                load_network_filter_list();
 
@@ -564,14 +536,14 @@ void network_do_queue(void) {
         * Go ahead and run the queue
         */
        if (full_processing && !server_shutting_down) {
-               syslog(LOG_DEBUG, "network: loading outbound queue\n");
+               QNM_syslog(LOG_DEBUG, "network: loading outbound queue");
                CtdlForEachRoom(network_queue_interesting_rooms, &RL);
        }
 
        if ((RL.rplist != NULL) && (!server_shutting_down)) {
                RoomProcList *ptr, *cmp;
                ptr = RL.rplist;
-               syslog(LOG_DEBUG, "network: running outbound queue\n");
+               QNM_syslog(LOG_DEBUG, "network: running outbound queue");
                while (ptr != NULL && !server_shutting_down) {
                        
                        cmp = ptr->next;
@@ -608,7 +580,7 @@ void network_do_queue(void) {
 
        /* Save the network map back to disk */
        if (netmap_changed) {
-               StrBuf *MapStr = SerializeNetworkMap(the_netmap);
+               StrBuf *MapStr = CtdlSerializeNetworkMap(the_netmap);
                CtdlPutSysConfig(IGNETMAP, SmashStrBuf(&MapStr));
        }
 
@@ -621,7 +593,7 @@ void network_do_queue(void) {
 
        DeleteHash(&working_ignetcfg);
 
-       syslog(LOG_DEBUG, "network: queue run completed\n");
+       QNM_syslog(LOG_DEBUG, "network: queue run completed");
 
        if (full_processing) {
                last_run = time(NULL);
@@ -640,60 +612,6 @@ int network_room_handler (struct ctdlroom *room)
        return 0;
 }
 
-int NTTDebugEnabled = 0;
-
-/*
- * network_talking_to()  --  concurrency checker
- */
-static HashList *nttlist = NULL;
-int network_talking_to(const char *nodename, long len, int operation) {
-
-       int retval = 0;
-       HashPos *Pos = NULL;
-       void *vdata;
-
-       begin_critical_section(S_NTTLIST);
-
-       switch(operation) {
-
-               case NTT_ADD:
-                       if (nttlist == NULL) 
-                               nttlist = NewHash(1, NULL);
-                       Put(nttlist, nodename, len, NewStrBufPlain(nodename, len), HFreeStrBuf);
-                       if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: added <%s>\n", nodename);
-                       break;
-               case NTT_REMOVE:
-                       if ((nttlist == NULL) ||
-                           (GetCount(nttlist) == 0))
-                               break;
-                       Pos = GetNewHashPos(nttlist, 1);
-                       if (GetHashPosFromKey (nttlist, nodename, len, Pos))
-                               DeleteEntryFromHash(nttlist, Pos);
-                       DeleteHashPos(&Pos);
-                       if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: removed <%s>\n", nodename);
-
-                       break;
-
-               case NTT_CHECK:
-                       if ((nttlist == NULL) ||
-                           (GetCount(nttlist) == 0))
-                               break;
-                       if (GetHash(nttlist, nodename, len, &vdata))
-                               retval ++;
-                       if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: have [%d] <%s>\n", retval, nodename);
-                       break;
-       }
-
-       end_critical_section(S_NTTLIST);
-       return(retval);
-}
-
-void cleanup_nttlist(void)
-{
-        begin_critical_section(S_NTTLIST);
-       DeleteHash(&nttlist);
-        end_critical_section(S_NTTLIST);
-}
 
 
 
@@ -705,7 +623,7 @@ void network_logout_hook(void)
         * If we were talking to a network node, we're not anymore...
         */
        if (!IsEmptyStr(CCC->net_node)) {
-               network_talking_to(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
+               CtdlNetworkTalkingTo(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
                CCC->net_node[0] = '\0';
        }
 }
@@ -714,7 +632,7 @@ void network_cleanup_function(void)
        struct CitContext *CCC = CC;
 
        if (!IsEmptyStr(CCC->net_node)) {
-               network_talking_to(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
+               CtdlNetworkTalkingTo(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
                CCC->net_node[0] = '\0';
        }
 }
@@ -723,23 +641,24 @@ void network_cleanup_function(void)
 /*
  * Module entry point
  */
-void SetNTTDebugEnabled(const int n)
+
+void SetNetQDebugEnabled(const int n)
 {
-       NTTDebugEnabled = n;
+       NetQDebugEnabled = n;
 }
 
 CTDL_MODULE_INIT(network)
 {
        if (!threading)
        {
-               CtdlRegisterDebugFlagHook(HKEY("networktalkingto"), SetNTTDebugEnabled, &NTTDebugEnabled);
-               CtdlRegisterCleanupHook(cleanup_nttlist);
-               CtdlRegisterSessionHook(network_cleanup_function, EVT_STOP);
-                CtdlRegisterSessionHook(network_logout_hook, EVT_LOGOUT);
+               CtdlFillSystemContext(&networker_spool_CC, "CitNetSpool");
+               CtdlRegisterDebugFlagHook(HKEY("networkqueue"), SetNetQDebugEnabled, &NetQDebugEnabled);
+               CtdlRegisterSessionHook(network_cleanup_function, EVT_STOP, PRIO_STOP + 30);
+                CtdlRegisterSessionHook(network_logout_hook, EVT_LOGOUT, PRIO_LOGOUT + 10);
                CtdlRegisterProtoHook(cmd_nsyn, "NSYN", "Synchronize room to node");
                CtdlRegisterRoomHook(network_room_handler);
                CtdlRegisterCleanupHook(destroy_network_queue_room_locked);
-               CtdlRegisterSessionHook(network_do_queue, EVT_TIMER);
+               CtdlRegisterSessionHook(network_do_queue, EVT_TIMER, PRIO_QUEUE + 10);
        }
        return "network";
 }