client_select.c

#include <stdio.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <pthread.h>


pthread_t thread;

char msg[1024];
extern int errno;


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

	struct sockaddr_in server;
	int sockFD;
	int ok = 1;
	fd_set readfds;
	fd_set actfds;
	int nfds;
	int comment;


	if ((sockFD = socket(AF_INET,SOCK_STREAM,0)) == -1)
	{
		perror("err while socketing\n");
		return 0;
	}

	bzero(&server,sizeof(server));

	int port = atoi(argv[2]);

	server.sin_family = AF_INET;
	server.sin_addr.s_addr = inet_addr(argv[1]);
	server.sin_port = htons(port);


	if (connect(sockFD,(struct sockaddr*) &server,sizeof(server)) == -1)
	{
		perror("err while connecting\n");
		return 0;
	}
	char msg[1024];
	bzero(msg,1024);

	FD_ZERO (&actfds);
    FD_SET (sockFD, &actfds);
    FD_SET (0, &actfds);
	nfds = sockFD;
	
	while (strcmp(msg,"quit") != 0){

		bcopy ((char *) &actfds, (char*) &readfds, sizeof(readfds));
  
       if( select( nfds+1, &readfds, NULL, NULL, NULL) <0 ){
          perror("eroare la select");
          return errno;
       }

		int k = 0;
		bzero(msg,1024);
	

	if( FD_ISSET(sockFD, &readfds) ){

		if (read(sockFD,msg,1024) <= 0)
		{
			perror("err while reading from server\n");
			return 0;
		}
		printf("\n%s\n",msg);
		if(strncmp(msg,"Ai fost delogat cu succes",25) == 0) strcpy(msg,"quit");
		if(strncmp(msg,"Have a nice one :)",18) == 0) strcpy(msg,"quit");

		if(strncmp(msg,"Comentariu:",11) == 0) comment = 1;
		else comment = 0;
	}

	if( FD_ISSET(0, &readfds) ){  

	if(strcmp(msg,"quit") != 0){
		if(comment == 1){
			int k = 0;
			char msg1[10000];
			strcpy(msg1,"");
			int terminated = 0;
			while(!terminated){
				fgets(msg,1024,stdin);
				strcat(msg1,msg);
				if(strcmp(msg,"\n") == 0) ++k;
				if(strcmp(msg,"\n") == 0 && k == 1) terminated = 1;
				if(strcmp(msg,"\n") != 0 && k == 1) k = 0;
			}
			msg1[strlen(msg1)-2] = '\0';
			if (write(sockFD,msg1,strlen(msg1)) <= 0){
			perror("err while writing to server\n");
			return 0;
			}
		}
		else {
			fgets(msg,1024,stdin);
		
	if (write(sockFD,msg,sizeof(msg)) <= 0){
		perror("err while writing to server\n");
		return 0;
	}
	}

	}

	}
	
	}


return 0;
}