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pthread_mutex_lock(&context->smtpidle_condmutex);
context->smtp_doing_jobs = 0;
pthread_mutex_unlock(&context->smtpidle_condmutex);
}
/**
* Wait for smtp-jobs.
* This function and dc_perform_smtp_jobs() must be called from the same thread,
* typically in a loop.
*
* See dc_interrupt_smtp_idle() for an example.
*
* @memberof dc_context_t
* @param context The context as created by dc_context_new().
* @return None.
*/
void dc_perform_smtp_idle(dc_context_t* context)
{
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC) {
dc_log_warning(context, 0, "Cannot perform SMTP-idle: Bad parameters.");
return;
}
dc_log_info(context, 0, "SMTP-idle started...");
pthread_mutex_lock(&context->smtpidle_condmutex);
if (context->perform_smtp_jobs_needed==DC_JOBS_NEEDED_AT_ONCE)
{
dc_log_info(context, 0, "SMTP-idle will not be started because of waiting jobs.");
}
else
{
int r = 0;
struct timespec wakeup_at;
memset(&wakeup_at, 0, sizeof(wakeup_at));
wakeup_at.tv_sec = get_next_wakeup_time(context, DC_SMTP_THREAD)+1;
while (context->smtpidle_condflag==0 && r==0) {
r = pthread_cond_timedwait(&context->smtpidle_cond, &context->smtpidle_condmutex, &wakeup_at); // unlock mutex -> wait -> lock mutex
}
context->smtpidle_condflag = 0;
}
pthread_mutex_unlock(&context->smtpidle_condmutex);
dc_log_info(context, 0, "SMTP-idle ended.");
}
/**
* Interrupt waiting for smtp-jobs.
* If dc_perform_smtp_jobs() and dc_perform_smtp_idle() are called in a loop,
* calling this function causes jobs to be executed.
*
* dc_interrupt_smtp_idle() does _not_ interrupt dc_perform_smtp_jobs().
* If the smtp-thread is inside this function when dc_interrupt_smtp_idle() is called, however,
* the next call of the smtp-thread to dc_perform_smtp_idle() is interrupted immediately.
*
* Internally, this function is called whenever a message is to be sent.
*
* When you need to call this function just because to get jobs done after network changes,
* use dc_maybe_network() instead.
*
* @memberof dc_context_t
* @param context The context as created by dc_context_new().
* @return None.
*/
void dc_interrupt_smtp_idle(dc_context_t* context)
{
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC) {
dc_log_warning(context, 0, "Interrupt SMTP-idle: Bad parameters.");
return;
}
dc_log_info(context, 0, "Interrupting SMTP-idle...");
pthread_mutex_lock(&context->smtpidle_condmutex);
// when this function is called, it might be that the smtp-thread is in
// perform_smtp_jobs(). if so, added jobs will be performed after the _next_ idle-jobs loop.
// setting the flag perform_smtp_jobs_needed makes sure, idle() returns immediately in this case.
context->perform_smtp_jobs_needed = DC_JOBS_NEEDED_AT_ONCE;
context->smtpidle_condflag = 1;
pthread_cond_signal(&context->smtpidle_cond);
pthread_mutex_unlock(&context->smtpidle_condmutex);
}
/**
* This function can be called whenever there is a hint
* that the network is available again.
* The library will try to send pending messages out.
*
* @memberof dc_context_t
* @param context The context as created by dc_context_new().