#include "global.h"
#include "mqttd.h"
#include "rtlm.h"
#include "mqttd_calls.h"
int
cmdPUBLISH(void *srv, int len, void *arg)
{
struct mqtthdr *hdr;
struct tagSession *sess = (struct tagSession*) arg;
ioTRACE(2);
if (!sess)
return -1;
hdr = (struct mqtthdr*) sess->sess_buf->msg_base;
switch (hdr->mqtt_msg.qos) {
case MQTT_QOS_ONCE:
break;
case MQTT_QOS_ACK:
break;
case MQTT_QOS_EXACTLY:
break;
default:
ioDEBUG(1, "Error:: Unknown QoS %d - rejected publishing request",
hdr->mqtt_msg.qos);
return 0;
}
return 0;
}
int
cmdPUBREL(void *srv, int len, void *arg)
{
struct mqtthdr *hdr;
struct tagSession *sess = (struct tagSession*) arg;
ioTRACE(2);
if (!sess)
return -1;
hdr = (struct mqtthdr*) sess->sess_buf->msg_base;
return 0;
}
int
cmdSUBSCRIBE(void *srv, int len, void *arg)
{
struct tagSession *sess = (struct tagSession*) arg;
mqtt_subscr_t *subs = NULL;
int siz = 0;
u_short mid = 0;
register int i;
struct tagStore *store;
ioTRACE(2);
if (!sess)
return -1;
ioDEBUG(5, "Exec SUBSCRIBE session");
siz = mqtt_readSUBSCRIBE(sess->sess_buf, &mid, &subs);
if (siz == -1) {
ioDEBUG(5, "Error:: in readSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;
}
/* add to db */
for (i = 0; i < siz; i++) {
if (call.WritePUB_subscribe(&cfg, pub, mid, subs[i].sub_topic.msg_base,
sess->sess_user, sess->sess_addr, subs[i].sub_ret) > 0) {
store = malloc(sizeof(struct tagStore));
if (!store) {
ioSYSERR(0);
goto end;
} else {
store->st_msgid = mid;
mqtt_subCopy(&store->st_subscr, &subs[i]);
}
/* add to cache */
SESS_ELEM_LOCK(sess);
SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node);
SESS_ELEM_UNLOCK(sess);
subs[i].sub_ret = MQTT_QOS_PASS;
} else
subs[i].sub_ret = MQTT_QOS_DENY;
}
/* send acknowledge */
siz = mqtt_msgSUBACK(sess->sess_buf, subs, mid);
if (siz == -1) {
ioDEBUG(5, "Error:: in msgSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());
goto end;
}
if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, 0)) == -1)
ioSYSERR(0);
else {
ioDEBUG(5, "Sended %d bytes.", siz);
memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
}
end:
mqtt_subFree(&subs);
return 0;
}
int
cmdUNSUBSCRIBE(void *srv, int len, void *arg)
{
struct tagSession *sess = (struct tagSession*) arg;
ioTRACE(2);
if (!sess)
return -1;
return 0;
}
int
cmdPINGREQ(void *srv, int len, void *arg)
{
struct tagSession *sess = (struct tagSession*) arg;
int siz = 0;
ioTRACE(2);
if (!sess)
return -1;
ioDEBUG(5, "Exec PINGREQ session");
siz = mqtt_msgPINGRESP(sess->sess_buf);
if (siz == -1) {
ioDEBUG(5, "Error:: in msgPINGRESP #%d - %s", mqtt_GetErrno(), mqtt_GetError());
return 0;
}
if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, 0)) == -1) {
ioSYSERR(0);
return 0;
} else {
ioDEBUG(5, "Sended %d bytes.", siz);
memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
}
return 0;
}
int
cmdCONNECT(void *srv, int len, void *arg)
{
struct tagStore *store;
struct tagSession *sess = (struct tagSession*) arg;
ioTRACE(2);
if (!sess)
return -1;
ioDEBUG(5, "Exec CONNECT session");
SESS_LOCK;
TAILQ_REMOVE(&Sessions, sess, sess_node);
SESS_UNLOCK;
if (call.FiniSessPUB)
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%");
SESS_ELEM_LOCK(sess);
while ((store = SLIST_FIRST(&sess->sess_subscr))) {
SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node);
if (store->st_subscr.sub_topic.msg_base)
free(store->st_subscr.sub_topic.msg_base);
if (store->st_subscr.sub_value.msg_base)
free(store->st_subscr.sub_value.msg_base);
free(store);
}
SESS_ELEM_UNLOCK(sess);
if (sess->sess_will.msg)
free(sess->sess_will.msg);
if (sess->sess_will.topic)
free(sess->sess_will.topic);
call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
sess->sess_addr, sess->sess_user);
// schedEvent(root, startSession, NULL, (u_long) sess->sess_sock, sess, ret);
return 0;
}
int
cmdDISCONNECT(void *srv, int len, void *arg)
{
struct tagSession *sess = (struct tagSession*) arg;
ioTRACE(2);
if (!sess)
return -1;
ioDEBUG(5, "Exec DISCONNECT session");
SESS_LOCK;
TAILQ_REMOVE(&Sessions, sess, sess_node);
SESS_UNLOCK;
call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
sess->sess_addr, sess->sess_user);
finiSession(sess);
return 0;
}
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