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권영기/채팅프로그램

Describe /램 here

2012/3/30 - 대 램 만들
2012/4/3 - 멀 램 만들

2012/3/30 - 대 램 만들


명


메를 보낼 , 메를 보낼 .
exit를 면 료.

문


exit를 , 료 대 는 문.
client exit를 , " 료." 는 메 바 . server 무 면 client " 료." 됩.
리 server는 료 받 메를 무 .
server exit를 , " 료." 는 메 바 . client 무 면 server " 료." 됩.
리 client는 료 받 메를 무 .

무 루 문는 . - 2012. 4. 3



#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<unistd.h>
#include<arpa/inet.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<pthread.h>
#define SIZE 1024
int client_socket, server_socket;
int client_addr_size, flag = 0;	
char buff_snd[SIZE + 5], buff_rcv[SIZE + 5];
void* snd(void *data){

	while(!flag){
		gets(buff_rcv);
		if(strcmp(buff_rcv, "exit") == 0)flag = 1;
		else{
			sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			send(client_socket, buff_snd, strlen(buff_snd)+1, 0);
		}
	}

}
void *rcv(void *data){
	int temp;
	while(!flag){
		if(recv(client_socket, buff_rcv, SIZE, 0) <= 0)continue;
		else{
			if(strcmp(buff_rcv, "exit") == 0)flag = 1;
			else{
				printf( "receive: %s\n", buff_rcv);
		      		sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			}
		}
	}
}
int main(void){
	
	int option = 1;
	pthread_t pthread[2];
	struct sockaddr_in server_addr, client_addr;
	


	

	server_socket = socket(PF_INET, SOCK_STREAM, 0);
	setsockopt(server_socket, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
	if (-1 == server_socket)
	{
	   printf( "server socket  ");
	   exit( 1) ;
	}

	memset(&server_addr, 0, sizeof(server_addr));
	server_addr.sin_family = AF_INET;
	server_addr.sin_port = htons(4000);
	server_addr.sin_addr.s_addr = htonl(INADDR_ANY);


	if(bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr))){

		printf( "bind()  러\n");
		exit( 1);
	}

	if(listen(server_socket, 5) == -1){
		printf( "대 모  \n");
		exit( 1);
	} 

	client_addr_size = sizeof(client_addr);
	client_socket = accept(server_socket, (struct sockaddr*)&client_addr, &client_addr_size);
	if(client_socket == -1){
		printf( "   \n");
 		exit(1);
	}

	pthread_create(&pthread[0], NULL, snd, (void *)NULL);
	pthread_create(&pthread[1], NULL, rcv, (void *)NULL);


	int status;
	pthread_join(pthread[0], (void**)&status);
	pthread_join(pthread[1], (void**)&status);

	printf(" 료.\n");
	close(server_socket);
	return 0;
}


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>

#define  SIZE   1024
int flag = 0;
char buff_snd[SIZE + 5], buff_rcv[SIZE + 5];
int   client_socket;
void* snd(void *data){

	while(!flag){
		gets(buff_rcv);
		if(strcmp(buff_rcv, "exit") == 0)flag = 1;
		else{
			sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			send(client_socket, buff_snd, strlen(buff_snd)+1, 0);
		}
	}
}
void *rcv(void *data){

	int temp;
	while(!flag){
		if(recv(client_socket, buff_rcv, SIZE, 0) <= 0)continue;
		else{
			if(strcmp(buff_rcv, "exit") == 0)flag = 1;
			else{
				printf( "receive: %s\n", buff_rcv);
	      			sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			}	
		}
	}
}
int   main( int argc, char **argv)
{

	pthread_t pthread[2];

	struct sockaddr_in   server_addr;

	client_socket  = socket( PF_INET, SOCK_STREAM, 0);
	if( -1 == client_socket)
	{
		printf( "socket  \n");
		exit( 1);
	}

	memset( &server_addr, 0, sizeof( server_addr));
	server_addr.sin_family     = AF_INET;	
	server_addr.sin_port       = htons( 4000);
	server_addr.sin_addr.s_addr= inet_addr( "127.0.0.1");

	if( -1 == connect( client_socket, (struct sockaddr*)&server_addr, sizeof( server_addr) ) )
	{
		printf( " \n");
		exit( 1);
	}

	pthread_create(&pthread[0], NULL, snd, (void *)NULL);
	pthread_create(&pthread[1], NULL, rcv, (void *)NULL);


	int status;
	pthread_join(pthread[0], (void**)&status);
	pthread_join(pthread[1], (void**)&status);
	printf(" 료.\n");
	close(client_socket);
	return 0;
}


2012/4/3 - 멀 램 만들


명


멀 됩.
대 램 는 문 많 문 많 .
멀 는데, 는 만들..
  • 냥 만들는 .. -

문


램 면 들 문 Pthread_join . 를 면 Join 디 놔를 모르 번 빼놓 보 램 동 .( 물 )
만 join 면 메모리 . 는 join 데 떻 를 모르.

문


리 .


#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<unistd.h>
#include<arpa/inet.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<pthread.h>
#define SIZE 1024
#define N 40
int client_socket[N+5], check[N+5], server_socket;
int client_addr_size, flag = 0;	
char buff_snd[SIZE + 5], buff_rcv[SIZE + 5];
void *rcv(void *data){
	int i;
	int temp = (int *)data;
	while(1){
		if(recv(client_socket[temp], buff_rcv, SIZE, 0) <= 0)continue;
		else{
			if(strcmp(buff_rcv, "exit") == 0){
				printf(" 료.\n");
				break;
			}
			printf( "receive: %s\n", buff_rcv);
		      	sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			for(i = 1; i<=N; i++){
				if(check[i])send(client_socket[i], buff_snd, strlen(buff_snd)+1, 0);
			}
		}
	}

	close(client_socket[temp]);
	client_socket[temp] = check[temp] = 0;
}
int main(void){
	
	int option = 1;
	pthread_t pthread[N+5];
	struct sockaddr_in server_addr, client_addr;
	int i;


	

	server_socket = socket(PF_INET, SOCK_STREAM, 0);
	setsockopt(server_socket, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
	if (-1 == server_socket)
	{
	   printf( "server socket  ");
	   exit( 1) ;
	}

	memset(&server_addr, 0, sizeof(server_addr));
	server_addr.sin_family = AF_INET;
	server_addr.sin_port = htons(4000);
	server_addr.sin_addr.s_addr = htonl(INADDR_ANY);


	if(bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr))){

		printf( "bind()  러\n");
		exit( 1);
	}

	while(1){
		if(listen(server_socket, 5) == -1){
			printf( "대 모  \n");
			exit( 1);
		} 
		for(i = 1; i<=N; i++){
			
			if(!check[i]){
				client_addr_size = sizeof(client_addr);
				client_socket[i] = accept(server_socket, (struct sockaddr*)&client_addr, &client_addr_size);
				if(client_socket[i] == -1){
					printf( "   \n");
		 			exit( 1);
				}
				check[i] = 1;
				pthread_create(&pthread[i], NULL, rcv, (void *)i);


				//int status;
				//pthread_join(pthread[i], (void **)&status);
				break;
			}
		}

	}

	printf(" 료.\n");
	close(server_socket);
	exit(1);
	return 0;
}





#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <pthread.h>
#define  SIZE   1024
int flag1 = 0, flag2 = 0;
char buff_snd[SIZE + 5], buff_rcv[SIZE + 5];
int   client_socket;
void* snd(void *data){

	while(!flag1){
		while(flag2);
		gets(buff_rcv);	
		send(client_socket, buff_rcv, strlen(buff_rcv)+1, 0);
		if(strcmp(buff_rcv, "exit") == 0){
			flag1 = 1;
			printf(" 료.\n");	
			pthread_exit((void *)NULL);
		}
		flag2 = 1;
	}
}
void *rcv(void *data){

	int temp;
	while(!flag1){
		if(recv(client_socket, buff_rcv, SIZE, 0) <= 0)continue;
		else{
			printf( "receive: %s\n", buff_rcv);
      			sprintf( buff_snd, "%d : %s", strlen( buff_rcv), buff_rcv);
			flag2 = 0;
		}
	}
}
int   main( int argc, char **argv)
{

	pthread_t pthread[2];

	struct sockaddr_in   server_addr;

	client_socket  = socket( PF_INET, SOCK_STREAM, 0);
	if( -1 == client_socket)
	{
		printf( "socket  \n");
		exit( 1);
	}

	memset( &server_addr, 0, sizeof( server_addr));
	server_addr.sin_family     = AF_INET;	
	server_addr.sin_port       = htons( 4000);
	server_addr.sin_addr.s_addr= inet_addr( "127.0.0.1");

	if( -1 == connect( client_socket, (struct sockaddr*)&server_addr, sizeof( server_addr) ) )
	{
		printf( " \n");
		exit( 1);
	}

	pthread_create(&pthread[0], NULL, snd, (void *)NULL);
	pthread_create(&pthread[1], NULL, rcv, (void *)NULL);


	int status;
	pthread_join(pthread[0], (void**)&status);
	pthread_join(pthread[1], (void**)&status);
	close(client_socket);
	exit(1);
	return 0;
}
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