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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdint.h>
#include "ssl_decoder_perf_dummy.h"
#define MAX_SUBSCRIBE_TOPIC_NUM 16
#define MAX_MESSGEA_TOPIC_NUM 16
#define MAX_STELLAR_PLUGIN_NUM 16
struct stellar_plugin
{
void *plugin_env;
void *per_session_ctx;
session_ctx_new_func *session_ctx_new;
session_ctx_free_func *session_ctx_free;
};
struct message_topic
{
char *name;
void *msg_free_arg;
int on_msg_cb_idx;
session_msg_free_cb_func *msg_free_cb;
int on_msg_plugin_id[MAX_SUBSCRIBE_TOPIC_NUM];
on_session_msg_cb_func *plugin_on_msg_cb[MAX_SUBSCRIBE_TOPIC_NUM];
};
struct stellar
{
int topic_idx;
int plugin_idx;
int worker_thread_num;
int udp_topic_id;
int tcp_steam_topic_id;
struct message_topic topic[MAX_MESSGEA_TOPIC_NUM];
struct stellar_plugin plugin[MAX_STELLAR_PLUGIN_NUM];
};
struct session
{
int tid;
int topic_idx;
int plugin_idx;
struct message_topic *topic;
struct stellar_plugin *plugin;
struct stellar_packet *curr_msg;
struct session_addr addr;
char *readable_addr;
enum session_addr_type addr_type;
};
const char *session_get0_current_payload(struct session *ss, size_t *payload_sz)
{
if(ss->curr_msg==NULL)
{
*payload_sz=0;
return NULL;
}
*payload_sz=ss->curr_msg->payload_sz;
return (const char *)ss->curr_msg->payload;
}
int stellar_session_mq_create_topic(struct stellar *st, const char *topic_name, session_msg_free_cb_func *msg_free_cb, void *msg_free_arg)
{
int topic_id=st->topic_idx++;
st->topic[topic_id].name=strdup(topic_name);
st->topic[topic_id].msg_free_cb=msg_free_cb;
st->topic[topic_id].msg_free_arg=msg_free_arg;
return topic_id;
}
int stellar_session_mq_get_topic_id(struct stellar *st, const char *topic_name)
{
for(int i=0; i<st->topic_idx; i++)
{
if(strcmp(st->topic[i].name, topic_name)==0)
{
return i;
}
}
return -1;
}
int stellar_session_mq_subscribe(struct stellar *st, int topic_id, on_session_msg_cb_func *plugin_on_msg_cb, int plugin_id)
{
st->topic[topic_id].on_msg_plugin_id[st->topic[topic_id].on_msg_cb_idx]=plugin_id;
st->topic[topic_id].plugin_on_msg_cb[st->topic[topic_id].on_msg_cb_idx]=plugin_on_msg_cb;
st->topic[topic_id].on_msg_cb_idx++;
return 0;
}
int session_mq_publish_message(struct session *ss, int topic_id, void *msg)
{
for(int i=0; i<ss->topic[topic_id].on_msg_cb_idx; i++)
{
int plugin_id=ss->topic[topic_id].on_msg_plugin_id[i];
ss->topic[topic_id].plugin_on_msg_cb[i](ss, topic_id, msg, ss->plugin[plugin_id].per_session_ctx, ss->plugin[plugin_id].plugin_env);
}
if(ss->topic[topic_id].msg_free_cb!=NULL)
{
ss->topic[topic_id].msg_free_cb(ss, msg, ss->topic[topic_id].msg_free_arg);
}
return 0;
}
int session_mq_publish_message_by_name(struct session *ss, const char *topic_name, struct stellar_packet *msg)
{
for(int i=0; i<ss->topic_idx; i++)
{
if(strcmp(ss->topic[i].name, topic_name)==0)
{
ss->curr_msg=msg;
session_mq_publish_message(ss, i, (void *)msg);
break;
}
}
return 0;
}
int stellar_session_mq_destroy_topic(struct stellar *st, int topic_id)
{
return 0;
}
int stellar_session_plugin_register(struct stellar *st, session_ctx_new_func session_ctx_new, session_ctx_free_func session_ctx_free, void *plugin_env)
{
int plugin_id=st->plugin_idx++;
st->plugin[plugin_id].plugin_env=plugin_env;
st->plugin[plugin_id].session_ctx_new=session_ctx_new;
st->plugin[plugin_id].session_ctx_free=session_ctx_free;
return plugin_id;
}
struct session *stellar_session_new(struct stellar *st, struct stellar_packet *cur_pkt, int tid)
{
struct session *ss=(struct session *)malloc(sizeof(struct session));
ss->tid=tid;
ss->addr_type=cur_pkt->addr_type;
ss->readable_addr=cur_pkt->readable_addr;
memcpy(&(ss->addr), &(cur_pkt->addr), sizeof(struct session_addr));
ss->plugin=st->plugin;
ss->plugin_idx=st->plugin_idx;
ss->topic=st->topic;
ss->topic_idx=st->topic_idx;
for(int i=0; i<ss->plugin_idx; i++)
{
ss->plugin[i].per_session_ctx=ss->plugin[i].session_ctx_new(ss, ss->plugin[i].plugin_env);
}
return ss;
}
int session_get_current_thread_id(struct session *ss)
{
return ss->tid;
}
struct session_addr *session_get0_addr(struct session *ss, enum session_addr_type *addr_type)
{
*addr_type=ss->addr_type;
return &(ss->addr);
}
void stellar_session_plugin_dettach_current_session(struct session *ss)
{
}
int session_is_innermost(struct session *ss, uint64_t *flag)
{
*flag=0;
return 1;
}
enum session_state session_get_current_state(struct session *ss)
{
return SESSION_STATE_ACTIVE;
}
const char *session_get0_readable_addr(struct session *ss)
{
return ss->readable_addr;
}
void stellar_session_free(struct session *ss)
{
for(int i=0; i<ss->plugin_idx; i++)
{
ss->plugin[i].session_ctx_free(ss, ss->plugin[i].per_session_ctx, ss->plugin[i].plugin_env);
}
free(ss);
}
struct stellar *stellar_init(int worker_thread_num)
{
struct stellar *st=(struct stellar *)malloc(sizeof(struct stellar));
st->topic_idx=0;
st->plugin_idx=0;
st->worker_thread_num=worker_thread_num;
st->udp_topic_id=stellar_session_mq_create_topic(st, TOPIC_UDP, NULL, NULL);
st->tcp_steam_topic_id=stellar_session_mq_create_topic(st, TOPIC_TCP_STREAM, NULL, NULL);
return st;
}
int stellar_get_worker_thread_num(struct stellar *st)
{
return st->worker_thread_num;
}
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