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/* This file is part of the Project Athena Zephyr Notification System.
* It contains the hostmanager <--> client interaction routines.
*
* Created by: David C. Jedlinsky
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include "zhm.h"
#ifndef lint
#ifndef SABER
static char rcsid_hm_client_c[] = "$Header$";
#endif /* SABER */
#endif /* lint */
extern int no_server, nclt, deactivated;
extern struct sockaddr_in cli_sin, serv_sin, from;
void transmission_tower(notice, packet, pak_len)
ZNotice_t *notice;
char *packet;
int pak_len;
{
ZNotice_t gack;
Code_t ret;
struct sockaddr_in gsin;
nclt++;
if (notice->z_kind == HMCTL) {
if (!strcmp(notice->z_opcode, CLIENT_FLUSH)) {
send_flush_notice(HM_FLUSH);
deactivated = 1;
} else if (!strcmp(notice->z_opcode, CLIENT_NEW_SERVER)) {
new_server((char *)NULL);
} else {
syslog (LOG_INFO, "Bad control notice from client.");
}
return;
} else {
if (notice->z_kind != UNSAFE) {
gack = *notice;
gack.z_kind = HMACK;
gack.z_message_len = 0;
gack.z_multinotice = "";
gsin = cli_sin;
gsin.sin_port = from.sin_port;
if (gack.z_port == 0)
gack.z_port = from.sin_port;
DPR2 ("Client Port = %u\n", ntohs(gack.z_port));
notice->z_port = gack.z_port;
if ((ret = ZSetDestAddr(&gsin)) != ZERR_NONE) {
Zperr(ret);
com_err("hm", ret, "setting destination");
}
/* Bounce ACK to library */
if ((ret = send_outgoing(&gack)) != ZERR_NONE) {
Zperr(ret);
com_err("hm", ret, "sending raw notice");
}
}
}
if (!no_server) {
DPR2 ("Server Port = %u\n", ntohs(serv_sin.sin_port));
if ((ret = ZSetDestAddr(&serv_sin)) != ZERR_NONE) {
Zperr(ret);
com_err("hm", ret, "setting destination");
}
if ((ret = send_outgoing(notice)) != ZERR_NONE) {
Zperr(ret);
com_err("hm", ret, "while sending raw notice");
}
}
if (add_notice_to_queue(notice, packet, &gsin, pak_len) != ZERR_NONE)
syslog(LOG_INFO, "Hey! Insufficient memory to add notice to queue!");
}
Code_t
send_outgoing(notice)
ZNotice_t *notice;
{
Code_t retval;
char *packet;
int length;
if (!(packet = (char *) malloc((unsigned)sizeof(ZPacket_t))))
return(ENOMEM);
if ((retval = ZFormatSmallRawNotice(notice, packet, &length))
!= ZERR_NONE) {
free(packet);
return(retval);
}
retval = ZSendPacket(packet, length, 0);
free(packet);
return(retval);
}
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