Question
This question is from Computer Networks Modify the simplex-talk socket program so that each time the client sends a line to the server, the server
This question is from Computer Networks
Modify the simplex-talk socket program so that each time the client sends a line to the server, the server sends the line back to the client. The client (and server) will now have to make alternating calls to recv() and send().
Client
#include
/* build address data structure */ bzero((char *)&sin, sizeof(sin)); sin.sin_family = AF_INET; bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length); sin.sin_port = htons(SERVER_PORT); /* active open */ if ((s = socket(PF_INET, SOCK_STREAM, 0)) < 0) { perror("simplex-talk: socket"); exit(1); } if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { perror("simplex-talk: connect"); close(s); exit(1); } /* main loop: get and send lines of text */ while (fgets(buf, sizeof(buf), stdin)) { buf[MAX_LINE-1] = '\0'; len = strlen(buf) + 1; send(s, buf, len, 0); } }
Server
#include
#include
fputs(buf, stdout);
close(new_s); } }
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