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/*
** Copyright 2003, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#include "libmail_config.h"
#include "imap.H"
#include "imaphandler.H"
#include "imapidle.H"
using namespace std;
mail::imapIdleHandler::imapIdleHandler(bool idleOnOffArg,
mail::callback *callbackArg)
: idleOnOff(idleOnOffArg), idling(false),
shouldTerminate(false), terminating(false),
callback(callbackArg)
{
}
const char *mail::imapIdleHandler::getName()
{
return "IDLE";
}
bool mail::imapIdleHandler::getTimeout(imap &imapAccount,
int &ioTimeout)
{
if (waiting)
{
struct timeval tv;
gettimeofday(&tv, NULL);
if (tv.tv_sec > waitingUntil.tv_sec ||
(tv.tv_sec == waitingUntil.tv_sec &&
tv.tv_usec >= waitingUntil.tv_usec))
{
waiting=false;
imapAccount.imapcmd("IDLE", "IDLE\r\n");
ioTimeout=0;
return false;
}
else
{
struct timeval t=waitingUntil;
t.tv_usec -= tv.tv_usec;
if (t.tv_usec < 0)
{
t.tv_usec += 1000000;
--t.tv_sec;
}
t.tv_sec -= tv.tv_sec;
ioTimeout=t.tv_sec * 1000 + t.tv_usec / 1000;
if (ioTimeout == 0)
ioTimeout=100;
return false;
}
}
ioTimeout = 15 * 60 * 1000;
return false;
}
void mail::imapIdleHandler::timedOut(const char *errmsg)
{
mail::callback *c=callback;
callback=NULL;
if (c)
callbackTimedOut(*c, errmsg);
}
mail::imapIdleHandler::~imapIdleHandler()
{
mail::callback *c=callback;
callback=NULL;
if (c)
c->success("OK");
}
bool mail::imapIdleHandler::untaggedMessage(imap &imapAccount,
std::string name)
{
return false;
}
void mail::imapIdleHandler::installed(imap &imapAccount)
{
if (!idleOnOff || !imapAccount.wantIdleMode
|| shouldTerminate || !imapAccount.task_queue.empty())
{
imapAccount.uninstallHandler(this);
return;
}
waiting=true;
// Wait 1/10th of a second before issuing an IDLE. When we're in
// IDLE mode, and a new task is started, we terminate and a requeue
// ourselves after the pending command. We don't want to immediately
// reenter the IDLE mode because if the first task queues up a second
// task we would have to immediately get out of IDLE mode right away,
// so wait 1/10th of a second to see if anything is up.
gettimeofday(&waitingUntil, NULL);
if ((waitingUntil.tv_usec += 100000) > 1000000)
{
waitingUntil.tv_usec %= 1000000;
++waitingUntil.tv_sec;
}
}
bool mail::imapIdleHandler::taggedMessage(imap &imapAccount, std::string name,
std::string message,
bool okfail, std::string errmsg)
{
mail::callback *c=callback;
callback=NULL;
imapAccount.uninstallHandler(this);
if (imapAccount.wantIdleMode)
{
// Reinstall, when we're done
imapAccount.installForegroundTask(new imapIdleHandler(true,
NULL));
c=NULL;
}
if (c)
{
if (okfail)
c->success(errmsg);
else
c->fail(errmsg);
}
return true;
}
bool mail::imapIdleHandler::continuationRequest(imap &imapAccount,
std::string request)
{
idling=true;
if (shouldTerminate)
terminateIdle(imapAccount);
mail::callback *c=callback;
callback=NULL;
if (c)
c->success("Monitoring folder for changes...");
return true;
}
void mail::imapIdleHandler::anotherHandlerInstalled(imap &imapAccount)
{
if (waiting)
{
imapAccount.uninstallHandler(this);
return;
}
shouldTerminate=true;
if (idling)
terminateIdle(imapAccount);
}
void mail::imapIdleHandler::terminateIdle(imap &imapAccount)
{
if (terminating)
return;
terminating=true;
mail::callback *c=callback;
callback=NULL;
if (c)
c->success("OK");
imapAccount.imapcmd("", "DONE\r\n");
}
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