#include <sys/socket.h>

#include <arpa/inet.h>

#include "listen.h"

#include "log.h"

#include "network.h"

#include <stdlib.h>

//int listen_sock=0;

struct con_stack *connections;

int listen_thread(struct server_conf *srv){

struct sockaddr_in server;

struct sockaddr_in client;

//struct con_stack *connections=NULL;

int client_len;

int newsock=-1;

int sock;

char logstr[1024];

server.sin_family=AF_INET; ///init server addr

//struct con_stack *connections;

sprintf(logstr,"listen thread create %u",pthread_self());

debug_log(logstr);

connections=(struct con_stack*)malloc(sizeof(struct con_stack));

if(!connections){

error_log("malloc for connection stack error");

exit(-1);

}

debug_log("malloc for connection stack OK");

stack_init(connections);

if(!srv->ip)

server.sin_addr.s_addr=htonl(INADDR_ANY);

else

inet_pton(AF_INET,srv->ip,&server.sin_addr.s_addr);

if(!srv->port)

server.sin_port=htons(80);

else

server.sin_port=htons(srv->port);

memset(server.sin_zero,0,8);

if((sock=socket(AF_INET,SOCK_STREAM,0))<0){

error_log("create sock failed");

exit(-1);

}

debug_log("create sock sucessful");

//listen_sock=sock;

if(bind(sock,(struct sockaddr*)&server,sizeof(server))<0){

error_log("bind sock error");

exit(-1);

}

debug_log("bind sock sucessful");

if(!srv->maxfds){

listen(sock,10);

error_log("read server config maxfds error,listen 10");

}

else{

listen(sock,srv->maxfds);

debug_log("listen sucessful");

}

while(1){

if((int)(connections->top)>128){

//printf("top is %d\n",connections->top);

warn_log("listen stack > 128,sleep 1s");

sleep(1);

continue;

}

if((newsock=accept(sock,(struct sockaddr*)&client,&client_len))<0){

sprintf(logstr,"accept error,accept sock %d",newsock);

warn_log(logstr);

continue;

}

sprintf(logstr,"accept OK,accept sock %d",newsock);

warn_log(logstr);

con_push(connections,newsock);

}

}