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nuclear@0
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1 #include <stdio.h>
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nuclear@0
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2 #include <stdlib.h>
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nuclear@0
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3 #include <string.h>
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nuclear@7
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4 #include <errno.h>
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nuclear@3
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5 #include <signal.h>
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nuclear@7
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6 #include "tinyweb.h"
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nuclear@1
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7
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nuclear@7
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8 int parse_args(int argc, char **argv);
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nuclear@3
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9 void sighandler(int s);
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nuclear@5
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10
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nuclear@5
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11
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nuclear@0
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12 int main(int argc, char **argv)
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nuclear@0
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13 {
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nuclear@7
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14 int *sockets, num_sockets, sockets_arr_size = 0;
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nuclear@7
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15
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nuclear@1
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16 if(parse_args(argc, argv) == -1) {
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nuclear@1
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17 return 1;
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nuclear@1
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18 }
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nuclear@1
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19
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nuclear@3
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20 signal(SIGINT, sighandler);
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nuclear@3
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21 signal(SIGTERM, sighandler);
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nuclear@3
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22 signal(SIGQUIT, sighandler);
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nuclear@3
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23
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nuclear@9
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24 if(tw_start() == -1) {
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nuclear@9
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25 return 1;
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nuclear@9
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26 }
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nuclear@0
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27
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nuclear@0
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28 for(;;) {
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nuclear@7
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29 int i;
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nuclear@0
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30 fd_set rdset;
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nuclear@0
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31
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nuclear@7
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32 num_sockets = tw_get_sockets(0);
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nuclear@7
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33 if(num_sockets > sockets_arr_size) {
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nuclear@7
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34 int newsz = sockets_arr_size ? sockets_arr_size * 2 : 16;
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nuclear@7
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35 int *newarr = realloc(sockets, newsz * sizeof *sockets);
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nuclear@7
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36 if(!newarr) {
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nuclear@7
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37 fprintf(stderr, "failed to allocate sockets array\n");
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nuclear@7
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38 tw_stop();
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nuclear@7
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39 return 1;
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nuclear@7
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40 }
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nuclear@7
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41 sockets = newarr;
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nuclear@7
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42 sockets_arr_size = newsz;
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nuclear@7
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43 }
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nuclear@7
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44 tw_get_sockets(sockets);
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nuclear@7
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45
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nuclear@0
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46 FD_ZERO(&rdset);
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nuclear@7
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47 for(i=0; i<num_sockets; i++) {
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nuclear@7
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48 FD_SET(sockets[i], &rdset);
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nuclear@0
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49 }
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nuclear@0
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50
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nuclear@7
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51 while(select(tw_get_maxfd() + 1, &rdset, 0, 0, 0) == -1 && errno == EINTR);
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nuclear@0
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52
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nuclear@7
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53 for(i=0; i<num_sockets; i++) {
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nuclear@7
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54 if(FD_ISSET(sockets[i], &rdset)) {
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nuclear@7
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55 tw_handle_socket(sockets[i]);
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nuclear@0
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56 }
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nuclear@0
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57 }
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nuclear@0
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58 }
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nuclear@3
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59
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nuclear@3
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60 return 0; /* unreachable */
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nuclear@0
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61 }
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nuclear@0
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62
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nuclear@3
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63 void sighandler(int s)
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nuclear@3
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64 {
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nuclear@3
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65 if(s == SIGINT || s == SIGTERM || s == SIGQUIT) {
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nuclear@7
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66 tw_stop();
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nuclear@3
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67 printf("bye!\n");
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nuclear@3
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68 exit(0);
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nuclear@3
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69 }
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nuclear@3
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70 }
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nuclear@3
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71
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nuclear@1
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72
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nuclear@1
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73 static void print_help(const char *argv0)
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nuclear@1
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74 {
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nuclear@1
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75 printf("Usage: %s [options]\n", argv0);
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nuclear@1
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76 printf("Options:\n");
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nuclear@1
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77 printf(" -p <port> set the TCP/IP port number to use\n");
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nuclear@1
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78 printf(" -h print usage help and exit\n");
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nuclear@1
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79 }
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nuclear@1
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80
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nuclear@1
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81 int parse_args(int argc, char **argv)
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nuclear@1
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82 {
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nuclear@1
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83 int i;
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nuclear@1
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84
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nuclear@1
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85 for(i=1; i<argc; i++) {
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nuclear@1
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86 if(argv[i][0] == '-' && argv[i][2] == 0) {
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nuclear@1
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87 switch(argv[i][1]) {
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nuclear@1
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88 case 'p':
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nuclear@7
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89 {
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nuclear@7
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90 int port = atoi(argv[++i]);
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nuclear@7
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91 if(!port) {
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nuclear@7
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92 fprintf(stderr, "-p must be followed by a valid port number\n");
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nuclear@7
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93 return -1;
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nuclear@7
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94 }
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nuclear@7
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95 tw_set_port(port);
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nuclear@1
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96 }
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nuclear@1
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97 break;
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nuclear@1
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98
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nuclear@8
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99 case 'c':
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nuclear@8
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100 if(tw_set_root(argv[++i]) == -1) {
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nuclear@8
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101 return -1;
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nuclear@8
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102 }
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nuclear@8
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103 break;
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nuclear@8
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104
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nuclear@1
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105 case 'h':
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nuclear@1
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106 print_help(argv[0]);
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nuclear@1
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107 exit(0);
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nuclear@1
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108
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nuclear@1
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109 default:
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nuclear@1
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110 fprintf(stderr, "unrecognized option: %s\n", argv[i]);
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nuclear@1
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111 return -1;
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nuclear@1
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112 }
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nuclear@1
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113 } else {
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nuclear@1
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114 fprintf(stderr, "unexpected argument: %s\n", argv[i]);
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nuclear@1
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115 return -1;
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nuclear@1
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116 }
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nuclear@0
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117 }
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nuclear@0
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118 return 0;
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nuclear@0
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119 }
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