akyrcKb6

1#include "csapp.h"
2
3#define BUFFLEN 256
4#define SET 0
5#define GET 1
6#define DIGEST 2
7#define RUN 3
8
9int set(){
10  return 0;
11}
12
13int get(){
14  return 0;
15}
16
17int digest(){
18  return 0;
19}
20
21int run(){
22  return 0;
23}
24
25int main(int argc, char** argv){
26  int listenfd, connfd, port;
27  socklen_t clientLen;
28  rio_t rio;
29  struct sockaddr_in clientaddr;
30  char *buff, *SecretKey;
31  struct hostent *hp;
32  char *haddrp;
33
34
35  SecretKey = (argv[2]);
36  port = atoi(argv[1]);
37
38  //listen for connection request
39  printf("%d %s", port, SecretKey);
40  listenfd = Open_listenfd(port);
41  printf("listening on port 3001");
42  //clientlen = sizeof(clientaddr);
43
44  //establish connection
45  while(1){
46    clientLen = sizeof(clientaddr);
47    connfd = Accept(listenfd, (SA*)&clientaddr, &clientLen);
48    hp = Gethostbyaddr((const char*)&clientaddr.sin_addr.s_addr, sizeof(clientaddr.sin_addr.s_addr),AF_INET);
49    haddrp = inet_ntoa(clientaddr.sin_addr);
50    printf("%s %s\n", hp->h_name, haddrp);
51    printf("here");
52    Rio_readinitb(&rio, connfd);
53    //unsigned char buf[4];
54    //Rio_readlineb(&rio, buf, 4);
55    //printf("%s",buf);
56    //Rio_readlineb(&rio, rio.rio_buf, sizeof(rio.rio_buf));
57    printf("they tried");
58    if (SecretKey != (rio.rio_buf)){ //if secret key is wrong, replies -1
59      printf("Secret key = %d\n", atoi(SecretKey));
60      printf("---------------------\n");
61      buff = (char*)'1';
62      Rio_writen(connfd, buff, sizeof(buff));
63    }
64    else{
65      buff = (char*)'0';
66      printf("this did a thing");
67      Rio_writen(connfd, buff, sizeof(buff));
68      Rio_readlineb(&rio, rio.rio_buf, sizeof(rio.rio_buf));
69      if(atoi(rio.rio_buf) == SET)
70        set();
71      if(atoi(rio.rio_buf) == GET)
72        get();
73      if(atoi(rio.rio_buf) == DIGEST)
74        digest();
75      if(atoi(rio.rio_buf) == RUN)
76        run();
77    }
78  }
79  return 0;
80}