#include "ctdl_module.h"
#include "smtpqueue.h"
+#include "smtp_clienthandlers.h"
#include "event_client.h"
pthread_mutex_t ActiveQItemsLock;
HashList *ActiveQItems = NULL;
HashList *QItemHandlers = NULL;
+const unsigned short DefaultMXPort = 25;
+int max_sessions_for_outbound_smtp = 500; /* how many sessions might be active till we stop adding more smtp jobs */
+int ndelay_count = 50; /* every n queued messages we will sleep... */
+int delay_msec = 5000; /* this many seconds. */
static const long MaxRetry = SMTP_RETRY_INTERVAL * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2;
int MsgCount = 0;
int run_queue_now = 0; /* Set to 1 to ignore SMTP send retry times */
+void RegisterQItemHandler(const char *Key, long Len, QItemHandler H)
+{
+ QItemHandlerStruct *HS = (QItemHandlerStruct*)malloc(sizeof(QItemHandlerStruct));
+ HS->H = H;
+ Put(QItemHandlers, Key, Len, HS, NULL);
+}
+
+
+
void smtp_try_one_queue_entry(OneQueItem *MyQItem,
MailQEntry *MyQEntry,
StrBuf *MsgText,
return IDestructQueItem;
}
+void DecreaseShutdownDeliveries(OneQueItem *MyQItem)
+{
+ pthread_mutex_lock(&ActiveQItemsLock);
+ MyQItem->NotYetShutdownDeliveries--;
+ pthread_mutex_unlock(&ActiveQItemsLock);
+}
+
+int GetShutdownDeliveries(OneQueItem *MyQItem)
+{
+ int DestructNow;
+
+ pthread_mutex_lock(&ActiveQItemsLock);
+ DestructNow = MyQItem->ActiveDeliveries == 0;
+ pthread_mutex_unlock(&ActiveQItemsLock);
+ return DestructNow;
+}
void RemoveQItem(OneQueItem *MyQItem)
{
long len;
DeleteEntryFromHash(ActiveQItems, It);
else
{
- syslog(LOG_WARNING,
- "SMTP cleanup: unable to find QItem with ID[%ld]",
- MyQItem->MessageID);
+ SMTPC_syslog(LOG_WARNING,
+ "unable to find QItem with ID[%ld]",
+ MyQItem->MessageID);
while (GetNextHashPos(ActiveQItems, It, &len, &Key, &VData))
- syslog(LOG_WARNING,
- "SMTP cleanup: have_: ID[%ld]",
- ((OneQueItem *)VData)->MessageID);
+ SMTPC_syslog(LOG_WARNING,
+ "have_: ID[%ld]",
+ ((OneQueItem *)VData)->MessageID);
}
pthread_mutex_unlock(&ActiveQItemsLock);
DeleteHashPos(&It);
void FreeMailQEntry(void *qv)
{
MailQEntry *Q = qv;
+/*
+ SMTPC_syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
+ cit_backtrace();
+*/
FreeStrBuf(&Q->Recipient);
FreeStrBuf(&Q->StatusMessage);
+ FreeStrBuf(&Q->AllStatusMessages);
+ memset(Q, 0, sizeof(MailQEntry));
free(Q);
}
void FreeQueItem(OneQueItem **Item)
{
+/*
+ SMTPC_syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
+ cit_backtrace();
+*/
DeleteHash(&(*Item)->MailQEntries);
FreeStrBuf(&(*Item)->EnvelopeFrom);
FreeStrBuf(&(*Item)->BounceTo);
+ FreeStrBuf(&(*Item)->SenderRoom);
FreeURL(&(*Item)->URL);
+ memset(*Item, 0, sizeof(OneQueItem));
free(*Item);
Item = NULL;
}
* - 3/4 (transient errors
* were experienced and it's time to try again)
*/
-int CountActiveQueueEntries(OneQueItem *MyQItem)
+int CheckQEntryActive(MailQEntry *ThisItem)
+{
+ if ((ThisItem->Status == 0) ||
+ (ThisItem->Status == 3) ||
+ (ThisItem->Status == 4))
+ {
+ return 1;
+ }
+ else
+ return 0;
+}
+int CheckQEntryIsBounce(MailQEntry *ThisItem)
+{
+ if ((ThisItem->Status == 3) ||
+ (ThisItem->Status == 4) ||
+ (ThisItem->Status == 5))
+ {
+ return 1;
+ }
+ else
+ return 0;
+}
+
+int CountActiveQueueEntries(OneQueItem *MyQItem, int before)
{
HashPos *It;
long len;
It = GetNewHashPos(MyQItem->MailQEntries, 0);
while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
{
+ int Active;
MailQEntry *ThisItem = vQE;
- if ((ThisItem->Status == 0) ||
- (ThisItem->Status == 3) ||
- (ThisItem->Status == 4))
+
+ if (CheckQEntryActive(ThisItem))
{
ActiveDeliveries++;
- ThisItem->Active = 1;
+ Active = 1;
}
else
- ThisItem->Active = 0;
+ Active = 0;
+ if (before)
+ ThisItem->Active = Active;
+ else
+ ThisItem->StillActive = Active;
}
DeleteHashPos(&It);
return ActiveDeliveries;
StrBufExtract_NextToken(Token, Line, &pItemPart, '|');
if (GetHash(QItemHandlers, SKEY(Token), &vHandler))
{
- QItemHandler H;
- H = (QItemHandler) vHandler;
- H(Item, Line, &pItemPart);
+ QItemHandlerStruct *HS;
+ HS = (QItemHandlerStruct*) vHandler;
+ HS->H(Item, Line, &pItemPart);
}
}
FreeStrBuf(&Line);
StrBufAppendBuf(QMessage, MyQItem->EnvelopeFrom, 0);
}
+ if (StrLength(MyQItem->SenderRoom) > 0) {
+ StrBufAppendBufPlain(QMessage, HKEY("\nsource_room|"), 0);
+ StrBufAppendBuf(QMessage, MyQItem->SenderRoom, 0);
+ }
+
StrBufAppendBufPlain(QMessage, HKEY("\nretry|"), 0);
StrBufAppendPrintf(QMessage, "%ld",
MyQItem->Retry);
StrBufAppendBufPlain(QMessage, HKEY("\nattempted|"), 0);
StrBufAppendPrintf(QMessage, "%ld",
- MyQItem->ReattemptWhen);
+ time(NULL) /*ctdl_ev_now()*/ + MyQItem->Retry);
It = GetNewHashPos(MyQItem->MailQEntries, 0);
while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
{
MailQEntry *ThisItem = vQE;
- if (!ThisItem->Active)
- {
- /* skip already sent ones from the spoolfile. */
- continue;
- }
StrBufAppendBufPlain(QMessage, HKEY("\nremote|"), 0);
StrBufAppendBuf(QMessage, ThisItem->Recipient, 0);
StrBufAppendBufPlain(QMessage, HKEY("|"), 0);
StrBufAppendPrintf(QMessage, "%d", ThisItem->Status);
StrBufAppendBufPlain(QMessage, HKEY("|"), 0);
- StrBufAppendBuf(QMessage, ThisItem->StatusMessage, 0);
+ if (ThisItem->AllStatusMessages != NULL)
+ StrBufAppendBuf(QMessage, ThisItem->AllStatusMessages, 0);
+ else
+ StrBufAppendBuf(QMessage, ThisItem->StatusMessage, 0);
}
DeleteHashPos(&It);
StrBufAppendBufPlain(QMessage, HKEY("\n"), 0);
if (Item->MailQEntries == NULL)
Item->MailQEntries = NewHash(1, Flathash);
- Item->Current->StatusMessage = NewStrBuf();
+ /* alocate big buffer so we won't get problems reallocating later. */
+ Item->Current->StatusMessage = NewStrBufPlain(NULL, SIZ);
Item->Current->n = GetCount(Item->MailQEntries);
Put(Item->MailQEntries,
IKEY(Item->Current->n),
StrBufExtract_NextToken(Item->BounceTo, Line, Pos, '|');
}
+void QItem_Handle_SenderRoom(OneQueItem *Item, StrBuf *Line, const char **Pos)
+{
+ if (Item->SenderRoom == NULL)
+ Item->SenderRoom = NewStrBufPlain(NULL, StrLength(Line));
+ StrBufExtract_NextToken(Item->SenderRoom, Line, Pos, '|');
+}
+
void QItem_Handle_Recipient(OneQueItem *Item, StrBuf *Line, const char **Pos)
{
if (Item->Current == NULL)
{
Item->Retry =
StrBufExtractNext_int(Line, Pos, '|');
- Item->Retry *= 2;
+ if (Item->Retry == 0)
+ Item->Retry = SMTP_RETRY_INTERVAL;
+ else
+ Item->Retry *= 2;
}
/**
* this one has to have the context for loading the message via the redirect buffer...
*/
-StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n)
+StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n, char **Author, char **Address)
{
CitContext *CCC=CC;
StrBuf *SendMsg;
CtdlOutputMsg(MyQItem->MessageID,
MT_RFC822, HEADERS_ALL,
0, 1, NULL,
- (ESC_DOT|SUPPRESS_ENV_TO) );
+ (ESC_DOT|SUPPRESS_ENV_TO),
+ Author,
+ Address);
SendMsg = CCC->redirect_buffer;
CCC->redirect_buffer = NULL;
if ((StrLength(SendMsg) > 0) &&
ChrPtr(SendMsg)[StrLength(SendMsg) - 1] != '\n') {
- syslog(LOG_WARNING,
- "SMTP client[%d]: Possible problem: message did not "
- "correctly terminate. (expecting 0x10, got 0x%02x)\n",
- MsgCount, //yes uncool, but best choice here...
- ChrPtr(SendMsg)[StrLength(SendMsg) - 1] );
+ SMTPC_syslog(LOG_WARNING,
+ "[%d] Possible problem: message did not "
+ "correctly terminate. (expecting 0x10, got 0x%02x)\n",
+ MsgCount, //yes uncool, but best choice here...
+ ChrPtr(SendMsg)[StrLength(SendMsg) - 1] );
StrBufAppendBufPlain(SendMsg, HKEY("\r\n"), 0);
}
return SendMsg;
* instructions for "5" codes (permanent fatal errors) and produce/deliver
* a "bounce" message (delivery status notification).
*/
-void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
+void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt, ParsedURL *Relay)
{
static int seq = 0;
StrBuf *Msg = NULL;
StrBuf *BounceMB;
struct recptypes *valid;
+ time_t now;
HashPos *It;
void *vQE;
long len;
const char *Key;
+ int first_attempt = 0;
int successful_bounce = 0;
int num_bounces = 0;
int give_up = 0;
- syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
+ SMTPCM_syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
+
+ if (MyQItem->SendBounceMail == 0)
+ return;
+
+ now = time (NULL); //ev_time();
+
+ if ( (now - MyQItem->Submitted) > SMTP_GIVE_UP ) {
+ give_up = 1;
+ }
- if ( (ev_time() - MyQItem->Submitted) > SMTP_GIVE_UP ) {
- give_up = 1;/// TODO: replace time by libevq timer get
+ if (MyQItem->Retry == SMTP_RETRY_INTERVAL) {
+ first_attempt = 1;
}
/*
* Now go through the instructions checking for stuff.
*/
+ Msg = NewStrBufPlain(NULL, 1024);
It = GetNewHashPos(MyQItem->MailQEntries, 0);
while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
{
MailQEntry *ThisItem = vQE;
- if ((ThisItem->Status == 5) || /* failed now? */
- ((give_up == 1) &&
- (ThisItem->Status != 2)))
+ if ((ThisItem->Active && (ThisItem->Status == 5)) || /* failed now? */
+ ((give_up == 1) && (ThisItem->Status != 2)) ||
+ ((first_attempt == 1) && (ThisItem->Status != 2)))
/* giving up after failed attempts... */
{
- if (num_bounces == 0)
- Msg = NewStrBufPlain(NULL, 1024);
++num_bounces;
+ StrBufAppendBufPlain(Msg, HKEY(" "), 0);
StrBufAppendBuf(Msg, ThisItem->Recipient, 0);
StrBufAppendBufPlain(Msg, HKEY(": "), 0);
StrBufAppendBuf(Msg, ThisItem->StatusMessage, 0);
DeleteHashPos(&It);
/* Deliver the bounce if there's anything worth mentioning */
- syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
+ SMTPC_syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
if (num_bounces == 0) {
FreeStrBuf(&Msg);
return;
}
+ if ((StrLength(MyQItem->SenderRoom) == 0) && MyQItem->HaveRelay) {
+ const char *RelayUrlStr = "[not found]";
+ /* one message that relaying is broken is enough; no extra room error message. */
+ StrBuf *RelayDetails = NewStrBuf();
+
+ if (Relay != NULL)
+ RelayUrlStr = ChrPtr(Relay->URL);
+
+ StrBufPrintf(RelayDetails,
+ "Relaying via %s failed permanently. \n Reason:\n%s\n Revalidate your relay configuration.",
+ RelayUrlStr,
+ ChrPtr(Msg));
+ CtdlAideMessage(ChrPtr(RelayDetails), "Relaying Failed");
+ FreeStrBuf(&RelayDetails);
+ }
+
boundary = NewStrBufPlain(HKEY("=_Citadel_Multipart_"));
StrBufAppendPrintf(boundary,
"%s_%04x%04x",
StrLength(OMsgTxt)); /* the original message */
if (BounceMB == NULL) {
FreeStrBuf(&boundary);
- syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
+ SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
return;
}
if (bmsg == NULL) {
FreeStrBuf(&boundary);
FreeStrBuf(&BounceMB);
- syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
+ SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
return;
}
StrBufAppendBuf(BounceMB, Msg, 0);
FreeStrBuf(&Msg);
+ if (StrLength(MyQItem->SenderRoom) > 0)
+ {
+ StrBufAppendBufPlain(
+ BounceMB,
+ HKEY("The message was originaly posted in: "), 0);
+ StrBufAppendBuf(BounceMB, MyQItem->SenderRoom, 0);
+ StrBufAppendBufPlain(
+ BounceMB,
+ HKEY("\n"), 0);
+ }
+
/* Attach the original message */
- StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
+ StrBufAppendBufPlain(BounceMB, HKEY("\r\n--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBufPlain(BounceMB,
bmsg->cm_fields['M'] = SmashStrBuf(&BounceMB);
/* First try the user who sent the message */
- if (StrLength(MyQItem->BounceTo) == 0)
- syslog(LOG_ERR, "No bounce address specified\n");
- else
- syslog(LOG_DEBUG, "bounce to user? <%s>\n",
+ if (StrLength(MyQItem->BounceTo) == 0) {
+ SMTPCM_syslog(LOG_ERR, "No bounce address specified\n");
+ }
+ else {
+ SMTPC_syslog(LOG_DEBUG, "bounce to user? <%s>\n",
ChrPtr(MyQItem->BounceTo));
+ }
/* Can we deliver the bounce to the original sender? */
valid = validate_recipients(ChrPtr(MyQItem->BounceTo), NULL, 0);
free_recipients(valid);
FreeStrBuf(&boundary);
CtdlFreeMessage(bmsg);
- syslog(LOG_DEBUG, "Done processing bounces\n");
+ SMTPCM_syslog(LOG_DEBUG, "Done processing bounces\n");
}
+ParsedURL *LoadRelayUrls(OneQueItem *MyQItem,
+ char *Author,
+ char *Address)
+{
+ int nRelays = 0;
+ ParsedURL *RelayUrls = NULL;
+ char mxbuf[SIZ];
+ ParsedURL **Url = &MyQItem->URL;
+
+ nRelays = get_hosts(mxbuf, "fallbackhost");
+ if (nRelays > 0) {
+ StrBuf *All;
+ StrBuf *One;
+ const char *Pos = NULL;
+ All = NewStrBufPlain(mxbuf, -1);
+ One = NewStrBufPlain(NULL, StrLength(All) + 1);
+
+ while ((Pos != StrBufNOTNULL) &&
+ ((Pos == NULL) ||
+ !IsEmptyStr(Pos)))
+ {
+ StrBufExtract_NextToken(One, All, &Pos, '|');
+ if (!ParseURL(Url, One, DefaultMXPort)) {
+ SMTPC_syslog(LOG_DEBUG,
+ "Failed to parse: %s\n",
+ ChrPtr(One));
+ }
+ else {
+ (*Url)->IsRelay = 1;
+ MyQItem->HaveRelay = 1;
+ }
+ }
+ FreeStrBuf(&All);
+ FreeStrBuf(&One);
+ }
+ nRelays = get_hosts(mxbuf, "smarthost");
+ if (nRelays > 0) {
+ char *User;
+ StrBuf *All;
+ StrBuf *One;
+ const char *Pos = NULL;
+ All = NewStrBufPlain(mxbuf, -1);
+ One = NewStrBufPlain(NULL, StrLength(All) + 1);
+
+ while ((Pos != StrBufNOTNULL) &&
+ ((Pos == NULL) ||
+ !IsEmptyStr(Pos)))
+ {
+ StrBufExtract_NextToken(One, All, &Pos, '|');
+ User = strchr(ChrPtr(One), ' ');
+ if (User != NULL) {
+ if (!strcmp(User + 1, Author) ||
+ !strcmp(User + 1, Address))
+ StrBufCutAt(One, 0, User);
+ else {
+ MyQItem->HaveRelay = 1;
+ continue;
+ }
+ }
+ if (!ParseURL(Url, One, DefaultMXPort)) {
+ SMTPC_syslog(LOG_DEBUG,
+ "Failed to parse: %s\n",
+ ChrPtr(One));
+ }
+ else {
+ ///if (!Url->IsIP)) // todo dupe me fork ipv6
+ (*Url)->IsRelay = 1;
+ MyQItem->HaveRelay = 1;
+ }
+ }
+ FreeStrBuf(&All);
+ FreeStrBuf(&One);
+ }
+ return RelayUrls;
+}
/*
* smtp_do_procmsg()
*
* Called by smtp_do_queue() to handle an individual message.
*/
void smtp_do_procmsg(long msgnum, void *userdata) {
+ time_t now;
+ int mynumsessions = num_sessions;
struct CtdlMessage *msg = NULL;
+ char *Author = NULL;
+ char *Address = NULL;
char *instr = NULL;
StrBuf *PlainQItem;
OneQueItem *MyQItem;
void *vQE;
long len;
const char *Key;
- int nRelays = 0;
- ParsedURL *RelayUrls = NULL;
int HaveBuffers = 0;
StrBuf *Msg =NULL;
- syslog(LOG_DEBUG, "SMTP Queue: smtp_do_procmsg(%ld)\n", msgnum);
+ if (mynumsessions > max_sessions_for_outbound_smtp) {
+ SMTPC_syslog(LOG_INFO,
+ "skipping because of num jobs %d > %d max_sessions_for_outbound_smtp",
+ mynumsessions,
+ max_sessions_for_outbound_smtp);
+ }
+
+ SMTPC_syslog(LOG_DEBUG, "smtp_do_procmsg(%ld)\n", msgnum);
///strcpy(envelope_from, "");
msg = CtdlFetchMessage(msgnum, 1);
if (msg == NULL) {
- syslog(LOG_ERR, "SMTP Queue: tried %ld but no such message!\n",
+ SMTPC_syslog(LOG_ERR, "tried %ld but no such message!\n",
msgnum);
return;
}
FreeStrBuf(&PlainQItem);
if (MyQItem == NULL) {
- syslog(LOG_ERR,
- "SMTP Queue: Msg No %ld: already in progress!\n",
- msgnum);
+ SMTPC_syslog(LOG_ERR,
+ "Msg No %ld: already in progress!\n",
+ msgnum);
return; /* s.b. else is already processing... */
}
/*
* Postpone delivery if we've already tried recently.
*/
+ now = time(NULL);
if ((MyQItem->ReattemptWhen != 0) &&
- (time(NULL) < MyQItem->ReattemptWhen) &&
+ (now < MyQItem->ReattemptWhen) &&
(run_queue_now == 0))
{
- syslog(LOG_DEBUG, "SMTP client: Retry time not yet reached.\n");
+ SMTPC_syslog(LOG_DEBUG,
+ "Retry time not yet reached. %ld seconds left.",
+ MyQItem->ReattemptWhen - now);
It = GetNewHashPos(MyQItem->MailQEntries, 0);
pthread_mutex_lock(&ActiveQItemsLock);
* Bail out if there's no actual message associated with this
*/
if (MyQItem->MessageID < 0L) {
- syslog(LOG_ERR, "SMTP Queue: no 'msgid' directive found!\n");
+ SMTPCM_syslog(LOG_ERR, "no 'msgid' directive found!\n");
It = GetNewHashPos(MyQItem->MailQEntries, 0);
pthread_mutex_lock(&ActiveQItemsLock);
{
return;
}
- {
- char mxbuf[SIZ];
- ParsedURL **Url = &MyQItem->URL;
- nRelays = get_hosts(mxbuf, "smarthost");
- if (nRelays > 0) {
- StrBuf *All;
- StrBuf *One;
- const char *Pos = NULL;
- All = NewStrBufPlain(mxbuf, -1);
- One = NewStrBufPlain(NULL, StrLength(All) + 1);
-
- while ((Pos != StrBufNOTNULL) &&
- ((Pos == NULL) ||
- !IsEmptyStr(Pos)))
- {
- StrBufExtract_NextToken(One, All, &Pos, '|');
- if (!ParseURL(Url, One, 25))
- syslog(LOG_DEBUG,
- "Failed to parse: %s\n",
- ChrPtr(One));
- else {
- ///if (!Url->IsIP)) // todo dupe me fork ipv6
- Url = &(*Url)->Next;
- }
- }
- FreeStrBuf(&All);
- FreeStrBuf(&One);
- }
-
- Url = &MyQItem->FallBackHost;
- nRelays = get_hosts(mxbuf, "fallbackhost");
- if (nRelays > 0) {
- StrBuf *All;
- StrBuf *One;
- const char *Pos = NULL;
- All = NewStrBufPlain(mxbuf, -1);
- One = NewStrBufPlain(NULL, StrLength(All) + 1);
-
- while ((Pos != StrBufNOTNULL) &&
- ((Pos == NULL) ||
- !IsEmptyStr(Pos)))
- {
- StrBufExtract_NextToken(One, All, &Pos, '|');
- if (!ParseURL(Url, One, 25))
- syslog(LOG_DEBUG,
- "Failed to parse: %s\n",
- ChrPtr(One));
- else
- Url = &(*Url)->Next;
- }
- FreeStrBuf(&All);
- FreeStrBuf(&One);
- }
- }
It = GetNewHashPos(MyQItem->MailQEntries, 0);
while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
{
MailQEntry *ThisItem = vQE;
- syslog(LOG_DEBUG, "SMTP Queue: Task: <%s> %d\n",
- ChrPtr(ThisItem->Recipient),
- ThisItem->Active);
+ SMTPC_syslog(LOG_DEBUG, "SMTP Queue: Task: <%s> %d\n",
+ ChrPtr(ThisItem->Recipient),
+ ThisItem->Active);
}
DeleteHashPos(&It);
- MyQItem->ActiveDeliveries = CountActiveQueueEntries(MyQItem);
+ MyQItem->NotYetShutdownDeliveries =
+ MyQItem->ActiveDeliveries = CountActiveQueueEntries(MyQItem, 1);
+
+ /* failsafe against overload:
+ * will we exceed the limit set?
+ */
+ if ((MyQItem->ActiveDeliveries + mynumsessions > max_sessions_for_outbound_smtp) &&
+ /* if yes, did we reach more than half of the quota? */
+ ((mynumsessions * 2) > max_sessions_for_outbound_smtp) &&
+ /* if... would we ever fit into half of the quota?? */
+ (((MyQItem->ActiveDeliveries * 2) < max_sessions_for_outbound_smtp)))
+ {
+ /* abort delivery for another time. */
+ SMTPC_syslog(LOG_INFO,
+ "SMTP Queue: skipping because of num jobs %d + %ld > %d max_sessions_for_outbound_smtp",
+ mynumsessions,
+ MyQItem->ActiveDeliveries,
+ max_sessions_for_outbound_smtp);
+
+ It = GetNewHashPos(MyQItem->MailQEntries, 0);
+ pthread_mutex_lock(&ActiveQItemsLock);
+ {
+ if (GetHashPosFromKey(ActiveQItems,
+ LKEY(MyQItem->MessageID),
+ It))
+ {
+ DeleteEntryFromHash(ActiveQItems, It);
+ }
+ }
+ pthread_mutex_unlock(&ActiveQItemsLock);
+
+ return;
+ }
+
+
if (MyQItem->ActiveDeliveries > 0)
{
+ ParsedURL *RelayUrls = NULL;
+ int nActivated = 0;
int n = MsgCount++;
int m = MyQItem->ActiveDeliveries;
int i = 1;
- Msg = smtp_load_msg(MyQItem, n);
+
It = GetNewHashPos(MyQItem->MailQEntries, 0);
+
+ Msg = smtp_load_msg(MyQItem, n, &Author, &Address);
+ RelayUrls = LoadRelayUrls(MyQItem, Author, Address);
+ if ((RelayUrls == NULL) && MyQItem->HaveRelay) {
+
+ while ((i <= m) &&
+ (GetNextHashPos(MyQItem->MailQEntries,
+ It, &len, &Key, &vQE)))
+ {
+ int KeepBuffers = (i == m);
+ MailQEntry *ThisItem = vQE;
+ StrBufPrintf(ThisItem->StatusMessage,
+ "No relay configured matching %s / %s",
+ (Author != NULL)? Author : "",
+ (Address != NULL)? Address : "");
+ ThisItem->Status = 5;
+
+ nActivated++;
+
+ if (i > 1) n = MsgCount++;
+ syslog(LOG_INFO,
+ "SMTPC: giving up on <%ld> <%s> %d / %d \n",
+ MyQItem->MessageID,
+ ChrPtr(ThisItem->Recipient),
+ i,
+ m);
+ (*((int*) userdata)) ++;
+ smtp_try_one_queue_entry(MyQItem,
+ ThisItem,
+ Msg,
+ KeepBuffers,
+ n,
+ RelayUrls);
+
+ if (KeepBuffers) HaveBuffers++;
+
+ i++;
+ }
+ if (Author != NULL) free (Author);
+ if (Address != NULL) free (Address);
+ DeleteHashPos(&It);
+
+ return;
+ }
+ if (Author != NULL) free (Author);
+ if (Address != NULL) free (Address);
+
while ((i <= m) &&
(GetNextHashPos(MyQItem->MailQEntries,
It, &len, &Key, &vQE)))
if (ThisItem->Active == 1)
{
int KeepBuffers = (i == m);
+
+ nActivated++;
+ if (nActivated % ndelay_count == 0)
+ usleep(delay_msec);
+
if (i > 1) n = MsgCount++;
syslog(LOG_DEBUG,
- "SMTPQ: Trying <%ld> <%s> %d / %d \n",
+ "SMTPC: Trying <%ld> <%s> %d / %d \n",
MyQItem->MessageID,
ChrPtr(ThisItem->Recipient),
i,
m);
+ (*((int*) userdata)) ++;
smtp_try_one_queue_entry(MyQItem,
ThisItem,
Msg,
n,
RelayUrls);
- if (KeepBuffers) HaveBuffers = 1;
+ if (KeepBuffers) HaveBuffers++;
i++;
}
const char* Key;
void *VData;
- syslog(LOG_WARNING,
- "SMTP cleanup: unable to find "
- "QItem with ID[%ld]",
- MyQItem->MessageID);
+ SMTPC_syslog(LOG_WARNING,
+ "unable to find QItem with ID[%ld]",
+ MyQItem->MessageID);
while (GetNextHashPos(ActiveQItems,
It,
&len,
&Key,
&VData))
{
- syslog(LOG_WARNING,
- "SMTP cleanup: have: ID[%ld]",
- ((OneQueItem *)VData)->MessageID);
+ SMTPC_syslog(LOG_WARNING,
+ "have: ID[%ld]",
+ ((OneQueItem *)VData)->MessageID);
}
}
* Run through the queue sending out messages.
*/
void smtp_do_queue(void) {
- static int is_running = 0;
int num_processed = 0;
-
- if (is_running)
- return; /* Concurrency check - only one can run */
- is_running = 1;
+ int num_activated = 0;
pthread_setspecific(MyConKey, (void *)&smtp_queue_CC);
- syslog(LOG_INFO, "SMTP client: processing outbound queue");
+ SMTPCM_syslog(LOG_INFO, "processing outbound queue");
if (CtdlGetRoom(&CC->room, SMTP_SPOOLOUT_ROOM) != 0) {
- syslog(LOG_ERR, "Cannot find room <%s>", SMTP_SPOOLOUT_ROOM);
+ SMTPC_syslog(LOG_ERR, "Cannot find room <%s>", SMTP_SPOOLOUT_ROOM);
}
else {
num_processed = CtdlForEachMessage(MSGS_ALL,
SPOOLMIME,
NULL,
smtp_do_procmsg,
- NULL);
+ &num_activated);
}
- syslog(LOG_INFO,
- "SMTP client: queue run completed; %d messages processed",
- num_processed);
+ SMTPC_syslog(LOG_INFO,
+ "queue run completed; %d messages processed %d activated",
+ num_processed, num_activated);
- run_queue_now = 0;
- is_running = 0;
}
CTDL_MODULE_INIT(smtp_queu)
{
+ char *pstr;
+
if (!threading)
{
+ pstr = getenv("CITSERVER_n_session_max");
+ if ((pstr != NULL) && (*pstr != '\0'))
+ max_sessions_for_outbound_smtp = atol(pstr); /* how many sessions might be active till we stop adding more smtp jobs */
+
+ pstr = getenv("CITSERVER_smtp_n_delay_count");
+ if ((pstr != NULL) && (*pstr != '\0'))
+ ndelay_count = atol(pstr); /* every n queued messages we will sleep... */
+
+ pstr = getenv("CITSERVER_smtp_delay");
+ if ((pstr != NULL) && (*pstr != '\0'))
+ delay_msec = atol(pstr) * 1000; /* this many seconds. */
+
+
+
+
CtdlFillSystemContext(&smtp_queue_CC, "SMTP_Send");
ActiveQItems = NewHash(1, lFlathash);
pthread_mutex_init(&ActiveQItemsLock, NULL);
QItemHandlers = NewHash(0, NULL);
- Put(QItemHandlers, HKEY("msgid"), QItem_Handle_MsgID, reference_free_handler);
- Put(QItemHandlers, HKEY("envelope_from"), QItem_Handle_EnvelopeFrom, reference_free_handler);
- Put(QItemHandlers, HKEY("retry"), QItem_Handle_retry, reference_free_handler);
- Put(QItemHandlers, HKEY("attempted"), QItem_Handle_Attempted, reference_free_handler);
- Put(QItemHandlers, HKEY("remote"), QItem_Handle_Recipient, reference_free_handler);
- Put(QItemHandlers, HKEY("bounceto"), QItem_Handle_BounceTo, reference_free_handler);
- Put(QItemHandlers, HKEY("submitted"), QItem_Handle_Submitted, reference_free_handler);
+ RegisterQItemHandler(HKEY("msgid"), QItem_Handle_MsgID);
+ RegisterQItemHandler(HKEY("envelope_from"), QItem_Handle_EnvelopeFrom);
+ RegisterQItemHandler(HKEY("retry"), QItem_Handle_retry);
+ RegisterQItemHandler(HKEY("attempted"), QItem_Handle_Attempted);
+ RegisterQItemHandler(HKEY("remote"), QItem_Handle_Recipient);
+ RegisterQItemHandler(HKEY("bounceto"), QItem_Handle_BounceTo);
+ RegisterQItemHandler(HKEY("source_room"), QItem_Handle_SenderRoom);
+ RegisterQItemHandler(HKEY("submitted"), QItem_Handle_Submitted);
smtp_init_spoolout();
- CtdlRegisterCleanupHook(smtp_evq_cleanup);
+ CtdlRegisterEVCleanupHook(smtp_evq_cleanup);
CtdlRegisterProtoHook(cmd_smtp, "SMTP", "SMTP utility commands");
- CtdlRegisterSessionHook(smtp_do_queue, EVT_TIMER);
+ CtdlRegisterSessionHook(smtp_do_queue, EVT_TIMER, PRIO_SEND + 10);
}
/* return our Subversion id for the Log */