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/* $OpenBSD: lka_proc.c,v 1.2 2018/11/01 14:48:49 gilles Exp $ */
/*
* Copyright (c) 2018 Gilles Chehade <gilles@poolp.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include <event.h>
#include <imsg.h>
#include <inttypes.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "smtpd.h"
#include "log.h"
static int inited = 0;
static struct dict processors;
struct processor_instance {
const char *name;
struct io *io;
};
static void processor_io(struct io *, int, void *);
void
lka_proc_forked(const char *name, int fd)
{
struct processor_instance *processor;
if (!inited) {
dict_init(&processors);
inited = 1;
}
processor = xcalloc(1, sizeof *processor);
processor->name = name;
processor->io = io_new();
io_set_fd(processor->io, fd);
io_set_callback(processor->io, processor_io, processor);
dict_xset(&processors, name, processor);
}
struct io *
lka_proc_get_io(const char *name)
{
struct processor_instance *processor = dict_xget(&processors, name);
return processor->io;
}
static void
processor_io(struct io *io, int evt, void *arg)
{
struct processor_instance *processor = arg;
char *line = NULL;
ssize_t len;
log_trace(TRACE_IO, "processor: %p: %s %s", processor, io_strevent(evt),
io_strio(io));
switch (evt) {
case IO_DATAIN:
nextline:
line = io_getline(processor->io, &len);
/* No complete line received */
if (line == NULL)
return;
goto nextline;
}
}
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