Mercurial > hg > terminal-chess / file comparison
comparison: src/main.c
src/main.c
- changeset 1
- e5fbb8f9edbe
- parent 0
- 98034084033f
- child 2
- 0a08f79c320d
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| 0:98034084033f | 1:e5fbb8f9edbe |
|---|---|
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 * POSSIBILITY OF SUCH DAMAGE. | 26 * POSSIBILITY OF SUCH DAMAGE. |
| 27 * | 27 * |
| 28 */ | 28 */ |
| 29 | 29 |
| 30 #include <stdlib.h> | 30 #include "terminal-chess.h" |
| 31 #include <string.h> | |
| 32 | |
| 33 int get_settings(int argc, char **argv, Settings *settings) { | |
| 34 char *valid; | |
| 35 | |
| 36 for (char opt ; (opt = getopt(argc, argv, "hp:")) != -1 ;) { | |
| 37 switch (opt) { | |
| 38 case 'p': | |
| 39 if (strtol(optarg, &valid, 10) < 1025 || *valid != '\0') { | |
| 40 fprintf(stderr, | |
| 41 "Invalid port number (%s) - choose a number > 1024\n", | |
| 42 optarg); | |
| 43 return 1; | |
| 44 } else { | |
| 45 settings->port = optarg; | |
| 46 } | |
| 47 break; | |
| 48 case 'h': | |
| 49 case '?': | |
| 50 settings->printhelp = 1; | |
| 51 break; | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 if (optind == argc - 1) { | |
| 56 settings->serverhost = argv[optind]; | |
| 57 } else if (optind < argc - 1) { | |
| 58 fprintf(stderr, "Too many arguments\n"); | |
| 59 return 1; | |
| 60 } | |
| 61 | |
| 62 return 0; | |
| 63 } | |
| 64 | |
| 65 Settings default_settings() { | |
| 66 Settings settings; | |
| 67 memset(&settings, 0, sizeof(Settings)); | |
| 68 settings.port = "27015"; | |
| 69 return settings; | |
| 70 } | |
| 71 | |
| 72 int cleanup(Settings *settings, int exitcode) { | |
| 73 if (settings->server) { | |
| 74 if (net_destroy(settings->server)) { | |
| 75 perror("Server shutdown failed"); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 return exitcode; | |
| 80 } | |
| 31 | 81 |
| 32 int main(int argc, char **argv) { | 82 int main(int argc, char **argv) { |
| 33 return EXIT_SUCCESS; | 83 |
| 84 Settings settings = default_settings(); | |
| 85 get_settings(argc, argv, &settings); | |
| 86 | |
| 87 if (settings.printhelp) { | |
| 88 printf( | |
| 89 "Usage: %s [OPTION]... [HOST]\n" | |
| 90 "Starts/joins a network chess game\n\n" | |
| 91 " -h This help page\n" | |
| 92 " -p TCP port to use (default: 27015)\n", | |
| 93 argv[0]); | |
| 94 return EXIT_SUCCESS; | |
| 95 } | |
| 96 | |
| 97 Server server; | |
| 98 settings.server = &server; | |
| 99 | |
| 100 if (is_server(&settings)) { | |
| 101 if (net_find(&server, settings.serverhost, settings.port)) { | |
| 102 perror("Can't find server"); | |
| 103 return cleanup(&settings, EXIT_FAILURE); | |
| 104 } | |
| 105 | |
| 106 if (net_connect(&server)) { | |
| 107 perror("Can't connect to server"); | |
| 108 return cleanup(&settings, EXIT_FAILURE); | |
| 109 } | |
| 110 } else { | |
| 111 if (net_create(&server, settings.port)) { | |
| 112 perror("Server creation failed"); | |
| 113 return cleanup(&settings, EXIT_FAILURE); | |
| 114 } | |
| 115 | |
| 116 if (net_listen(&server)) { | |
| 117 perror("Listening for client failed"); | |
| 118 return cleanup(&settings, EXIT_FAILURE); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 return cleanup(&settings, EXIT_SUCCESS); | |
| 34 } | 123 } |
| 35 | 124 |
