#include "net_mod_server_socket.h"
#include "net_mod_socket.h"
#include "shm_mm.h"
#include "dgram_mod_socket.h"
#include "usg_common.h"

void server(int port) {
	NetModServerSocket *serverSocket  = new NetModServerSocket(port);
	serverSocket->start();
}

void client(int port ){
	NetModSocket client;
	char content[MAXLINE];
	char action[512];
  char topic[512];
	net_mod_recv_msg_t *recv_arr;
	int recv_arr_size, i, n;
	int node_arr_size = 3;
	//192.168.20.104
	net_node_t node_arr[] = {
		{"192.168.20.104", port, 11},
		{"192.168.20.104", port, 12},
		{"192.168.20.104", port, 13}
	};

	int pub_node_arr_size = 3;
	net_node_t pub_node_arr[] = {
		{"192.168.20.104", port, 8},
		{"192.168.20.104", port, 8},
		{"192.168.20.104", port, 8}
	};
	
  while (true) {
    //printf("Usage: pub <topic> [content] or sub <topic>\n");
    printf("Can I help you? pub, send or quit\n");
    scanf("%s",action);
    
    if(strcmp(action, "pub") == 0) {
    	printf("Please input topic and content\n");
      scanf("%s %s", topic, content);

    	n = client.pub(pub_node_arr, pub_node_arr_size, topic, strlen(topic)+1, content, strlen(content)+1);
    	printf("pub %d\n", n);
    }
    else if(strcmp(action, "send") == 0) {
    	getc(stdin);
    	printf("Please input  content\n");
    	
		  if (fgets(content, MAXLINE, stdin) != NULL) {
		  	// 收到消息的节点即使没有对应的信息， 也要回复一个表示无的消息,否则会一直等待
		    n = client.sendandrecv( node_arr, node_arr_size, content, strlen(content), &recv_arr, &recv_arr_size);
		    for(i=0; i<recv_arr_size; i++) {
		    	printf("host:%s, port: %d, key:%d, content: %s\n", 
		    		recv_arr[i].host,
		    		recv_arr[i].port,
		    		recv_arr[i].key,
		    		recv_arr[i].content
		    	);
		    }
		//使用完后，不要忘记释放掉
		    NetModSocket::free_recv_msg_arr(recv_arr, recv_arr_size);
		  }
    }
    else if(strcmp(action, "quit") == 0) {
      break;
    } else {
      printf("error input argument\n");
      continue;
    }
   
  }


  
}

int main(int argc, char *argv[]) {
	shm_init(512);

	int port;
  if (argc < 3) {
    fprintf(stderr, "Usage: %s %s|%s <PORT> \n", argv[0],  "server", "client");
    return 1;
  }

  port = atoi(argv[2]);
	 

	if (strcmp("server", argv[1]) == 0 ) {
     server(port);
  }

  if (strcmp("client", argv[1]) == 0)
     client(port);
}