X-Git-Url: https://git.cworth.org/git?p=ttt;a=blobdiff_plain;f=src%2Fttt-client.c;h=c198d3a15cfdb6779bbeea9f40b2ea7ddcfe3dae;hp=1dd755f83651e3d7c6f80f176e0befa05f8af8dc;hb=122d6b8810d67c601fe260e25ec323bb001698af;hpb=f2187ebd49f78b84bd2dca6172abc81e54dda199 diff --git a/src/ttt-client.c b/src/ttt-client.c index 1dd755f..c198d3a 100644 --- a/src/ttt-client.c +++ b/src/ttt-client.c @@ -20,15 +20,15 @@ */ #include "ttt-client.h" - -#define YY_DECL int yylex (yyscan_t yyscanner, ttt_token_t *token) - #include "ttt-error.h" -#include "ttt-lex.h" #include "ttt-server.h" #include "ttt-socket.h" #include "ttt-token.h" +#define YY_DECL int yylex (yyscan_t yyscanner, ttt_token_t *token) +#include "ttt-lex.h" +YY_DECL; + struct _ttt_client { pthread_mutex_t mutex; pthread_t thread; @@ -40,14 +40,14 @@ struct _ttt_client { char **request_strings; int num_request_strings; - char *name; + char *username; ttt_bool_t registered; int num_wins; }; typedef ttt_error_t (*ttt_command_func_t) (ttt_client_t *client, - char **args, - int num_args); + char **args, + int num_args); static ttt_error_t _ttt_client_execute_helo (ttt_client_t *client, @@ -59,6 +59,11 @@ _ttt_client_execute_who (ttt_client_t *client, char **args, int num_args); +static ttt_error_t +_ttt_client_execute_statistics (ttt_client_t *client, + char **args, + int num_args); + static ttt_error_t _ttt_client_execute_message (ttt_client_t *client, char **args, @@ -66,19 +71,39 @@ _ttt_client_execute_message (ttt_client_t *client, static ttt_error_t _ttt_client_execute_help (ttt_client_t *client, - char **args, - int num_args); + char **args, + int num_args); static ttt_error_t _ttt_client_execute_version (ttt_client_t *client, - char **args, - int num_args); + char **args, + int num_args); static ttt_error_t _ttt_client_execute_quit (ttt_client_t *client, char **args, int num_args); +static ttt_error_t +_ttt_client_execute_invite (ttt_client_t *client, + char **args, + int num_args); + +static ttt_error_t +_ttt_client_execute_accept (ttt_client_t *client, + char **args, + int num_args); + +static ttt_error_t +_ttt_client_execute_retract (ttt_client_t *client, + char **args, + int num_args); + +static ttt_error_t +_ttt_client_execute_decline (ttt_client_t *client, + char **args, + int num_args); + typedef struct _ttt_command_description { const char *command; int args_min; @@ -95,9 +120,24 @@ ttt_command_description_t command_descriptions[] = { {"HELP", 0, 1, _ttt_client_execute_help, "HELP ", "Display help for a command."}, + {"INVITE", 1, 1, _ttt_client_execute_invite, + "INVITE ", "Invite a player to play a game."}, + + {"ACCEPT", 1, 1, _ttt_client_execute_accept, + "ACCEPT ", "Accept a game invitation."}, + + {"RETRACT", 1, 1, _ttt_client_execute_retract, + "RETRACT ", "Retract a game invitation."}, + + {"DECLINE", 1, 1, _ttt_client_execute_decline, + "DECLINE ", "Decline a game invitation."}, + {"MESSAGE", 1, 1, _ttt_client_execute_message, "MESSAGE ", "Send a message to everyone."}, + {"STATISTICS", 1, 1, _ttt_client_execute_statistics, + "STATISTICS ", "Lists the statistics for the specified user."}, + {"QUIT", 0, 0, _ttt_client_execute_quit, "QUIT ", "Quit session."}, @@ -115,30 +155,34 @@ _ttt_client_execute_helo (ttt_client_t *client, char **args, int num_args) { + char *response; + char *notice; ttt_error_t error; - char *response; - char *notice; assert (num_args == 1); - ttt_client_set_name (client, args[0]); + if (!(client->registered)) + { + ttt_client_set_username (client, args[0]); - error = ttt_server_register_client (client->server, client); - if (error) - return error; - client->registered = TRUE; + error = ttt_server_register_client (client->server, client); + if (error) + return error; + client->registered = TRUE; + + xasprintf (¬ice, "NOTICE USER %s\r\n", + ttt_client_get_username (client)); + ttt_server_broadcast (client->server, notice); + + free (notice); + } xasprintf (&response, "HELO %s %s %s\r\n", - client->name, + ttt_client_get_username (client), ttt_server_get_host (client->server), ttt_server_get_port (client->server)); ttt_client_send (client, response); - xasprintf (¬ice, "NOTICE USER %s\r\n", - client->name); - ttt_server_broadcast (client->server, notice); - - free (notice); free (response); return TTT_ERROR_NONE; @@ -164,16 +208,55 @@ _ttt_client_execute_who (ttt_client_t *client, return TTT_ERROR_NONE; } +static ttt_error_t +_ttt_client_execute_statistics (ttt_client_t *client, + char **args, + int num_args) +{ + const char *argusername; + ttt_client_t *argclient; + char *response; + ttt_error_t error; + + assert (num_args == 1); + + argusername = args[0]; + + if (!client->registered) + return TTT_ERROR_NO_NAME_SET; + + error = ttt_server_get_client_from_username (client->server, + argusername, + &argclient); + if (error) + return error; + + xasprintf (&response, "STATISTICS %s \"\r\n" + "TICTACTOE WINS %d\r\n" + "\"\r\n", + ttt_client_get_username(argclient), + ttt_client_get_num_wins(argclient)); + + ttt_client_send (client, response); + + free (response); + + return TTT_ERROR_NONE; +} + static ttt_error_t _ttt_client_execute_message (ttt_client_t *client, - char **args, - int num_args) + char **args, + int num_args) { - char *response; - char *notice; + const char *argmessage; + char *response; + char *notice; assert (num_args == 1); + argmessage = args[0]; + if (!client->registered) return TTT_ERROR_NO_NAME_SET; @@ -181,8 +264,8 @@ _ttt_client_execute_message (ttt_client_t *client, ttt_client_send (client, response); xasprintf (¬ice, "NOTICE MESSAGE %s \"%s\"\r\n", - client->name, - args[0]); + ttt_client_get_username(client), + argmessage); ttt_server_broadcast (client->server, notice); free (notice); @@ -193,14 +276,14 @@ _ttt_client_execute_message (ttt_client_t *client, static ttt_error_t _ttt_client_execute_help (ttt_client_t *client, - char **args, - int num_args) + char **args, + int num_args) { - char *response; - char *command; + char *response; + char *argcommand; ttt_command_description_t *desc; + ttt_bool_t is_command = FALSE; int i; - ttt_bool_t is_command = FALSE; if (num_args == 0) { xasprintf (&response, "HELP \"\r\n" @@ -214,12 +297,10 @@ _ttt_client_execute_help (ttt_client_t *client, } xasprintf (&response, "%s\"\r\n", response); } else { - command = args[0]; - for (i = 0; i < strlen (command); i++) - command[i] = toupper (command[i]); + argcommand = args[0]; for (i = 0; i < ARRAY_SIZE(command_descriptions); i++) { desc = &command_descriptions[i]; - if (strcmp (desc->command, command) == 0) { + if (strcasecmp (desc->command, argcommand) == 0) { is_command = TRUE; xasprintf (&response, "HELP %s \"\r\n" "%s\r\n" @@ -246,17 +327,33 @@ _ttt_client_execute_help (ttt_client_t *client, static ttt_error_t _ttt_client_execute_version (ttt_client_t *client, - char **args, - int num_args) + char **args, + int num_args) { char *response; + char *argversion; + int version; + int i; assert (num_args == 1); - /* XXX: Argument is being ignored. - This is not completely implemented. */ + argversion = args[0]; + + /* Verify that provided version arg is a positive integer */ + for (i = 0; i < strlen(argversion); i++) + if (!isdigit (argversion[i])) + return TTT_ERROR_SYNTAX; + + version = atoi (argversion); - xasprintf (&response, "VERSION 1\r\n"); + if (version < 1) + return TTT_ERROR_SYNTAX; + + if (version > TTT_SERVER_PROTOCOL_VERSION) + version = TTT_SERVER_PROTOCOL_VERSION; + + xasprintf (&response, "VERSION %d\r\n", + version); ttt_client_send (client, response); free (response); @@ -276,7 +373,7 @@ _ttt_client_execute_quit (ttt_client_t *client, return TTT_ERROR_QUIT_REQUESTED; xasprintf (¬ice, "NOTICE QUIT %s\r\n", - client->name); + ttt_client_get_username(client)); ttt_server_broadcast (client->server, notice); free (notice); @@ -284,6 +381,182 @@ _ttt_client_execute_quit (ttt_client_t *client, return TTT_ERROR_QUIT_REQUESTED; } +static ttt_error_t +_ttt_client_execute_invite (ttt_client_t *client, + char **args, + int num_args) +{ + const char *invitee_username; + ttt_client_t *invitee; + char *response; + char *notice; + ttt_error_t error; + + assert (num_args == 1); + + invitee_username = args[0]; + + if (!client->registered) + return TTT_ERROR_NO_NAME_SET; + + error = ttt_server_get_client_from_username (client->server, + invitee_username, + &invitee); + if (error) + return error; + + ttt_server_add_invite (client->server, + client, + invitee); + + xasprintf (&response, "INVITE\r\n"); + ttt_client_send (client, response); + + xasprintf (¬ice, "NOTICE INVITE %s %s\r\n", + ttt_client_get_username(client), + ttt_client_get_username(invitee)); + ttt_server_broadcast (client->server, notice); + + free (notice); + free (response); + + return TTT_ERROR_NONE; +} + +static ttt_error_t +_ttt_client_execute_accept (ttt_client_t *client, + char **args, + int num_args) +{ + const char *actor_username; + ttt_client_t *actor; + char *response; + char *notice; + ttt_error_t error; + + assert (num_args == 1); + + actor_username = args[0]; + + if (!client->registered) + return TTT_ERROR_NO_NAME_SET; + + error = ttt_server_get_client_from_username (client->server, + actor_username, + &actor); + if (error) + return error; + + error = ttt_server_remove_invite (client->server, + actor, + client); + if (error) + return error; + + xasprintf (&response, "ACCEPT\r\n"); + ttt_client_send (client, response); + + xasprintf (¬ice, "NOTICE ACCEPT %s %s\r\n", + ttt_client_get_username(client), + ttt_client_get_username(actor)); + ttt_server_broadcast (client->server, notice); + + /* XXX: Start a new game */ + + free (notice); + free (response); + + return TTT_ERROR_NONE; +} + +static ttt_error_t +_ttt_client_execute_retract (ttt_client_t *client, + char **args, + int num_args) +{ + const char *invitee_username; + ttt_client_t *invitee; + char *response; + char *notice; + ttt_error_t error; + + assert (num_args == 1); + + invitee_username = args[0]; + + if (!client->registered) + return TTT_ERROR_NO_NAME_SET; + + error = ttt_server_get_client_from_username (client->server, + invitee_username, + &invitee); + if (error) + return error; + + error = ttt_server_remove_invite (client->server, + client, + invitee); + if (error) + return error; + + xasprintf (&response, "RETRACT\r\n"); + ttt_client_send (client, response); + + xasprintf (¬ice, "NOTICE RETRACT %s %s\r\n", + ttt_client_get_username(client), + ttt_client_get_username(invitee)); + ttt_server_broadcast (client->server, notice); + + free (notice); + free (response); + + return TTT_ERROR_NONE; +} + +static ttt_error_t +_ttt_client_execute_decline (ttt_client_t *client, + char **args, + int num_args) +{ + const char *actor_username; + ttt_client_t *actor; + char *response; + char *notice; + ttt_error_t error; + + assert (num_args == 1); + + actor_username = args[0]; + + if (!client->registered) + return TTT_ERROR_NO_NAME_SET; + + error = ttt_server_get_client_from_username (client->server, + actor_username, + &actor); + if (error) + return error; + + error = ttt_server_remove_invite (client->server, + actor, + client); + if (error) + return error; + + xasprintf (&response, "DECLINE\r\n"); + ttt_client_send (client, response); + + xasprintf (¬ice, "NOTICE DECLINE %s %s\r\n", + ttt_client_get_username(client), + ttt_client_get_username(actor)); + ttt_server_broadcast (client->server, notice); + + free (notice); + free (response); + + return TTT_ERROR_NONE; +} + static void _free_request (ttt_client_t *client); @@ -306,7 +579,7 @@ _ttt_client_init (ttt_client_t *client, client->request_strings = NULL; client->num_request_strings = 0; - client->name = NULL; + client->username = NULL; client->registered = FALSE; client->num_wins = 0; } @@ -319,8 +592,8 @@ _ttt_client_fini (ttt_client_t *client) if (client->registered) ttt_server_unregister_client (client->server, client); - free (client->name); - client->name = NULL; + free (client->username); + client->username = NULL; yylex_destroy (client->scanner); shutdown (client->socket, SHUT_RDWR); @@ -362,7 +635,7 @@ _free_request (ttt_client_t *client) static ttt_status_t _read_request (ttt_client_t *client) { - ttt_token_t token; + ttt_token_t token; ttt_token_type_t token_type; _free_request (client); @@ -391,11 +664,10 @@ _read_request (ttt_client_t *client) static ttt_error_t _execute_request (ttt_client_t *client) { - int i; - - char *command = client->request_strings[0]; - int num_args = client->num_request_strings-1; + char *command = client->request_strings[0]; + int num_args = client->num_request_strings - 1; ttt_command_description_t *desc; + int i; for (i = 0; i < strlen (command); i++) command[i] = toupper (command[i]); @@ -418,11 +690,10 @@ static void * _handle_requests_thread (void *closure) { ttt_status_t status; - ttt_error_t error; ttt_client_t *client = closure; + ttt_error_t error; while (1) { - status = _read_request (client); if (status == TTT_STATUS_EOF) break; @@ -476,17 +747,17 @@ ttt_client_send (ttt_client_t *client, const char *message) /* Exported: See ttt-client.h for documentation. */ const char* -ttt_client_get_name (ttt_client_t *client) +ttt_client_get_username (ttt_client_t *client) { - return client->name; + return client->username; } /* Exported: See ttt-client.h for documentation. */ void -ttt_client_set_name (ttt_client_t *client, const char *name) +ttt_client_set_username (ttt_client_t *client, const char *username) { - free (client->name); - client->name = xstrdup (name); + free (client->username); + client->username = xstrdup (username); } /* Exported: See ttt-client.h for documentation. */ @@ -495,3 +766,9 @@ ttt_client_get_num_wins (ttt_client_t *client) { return client->num_wins; } + +/* This is just to keep the compiler quiet about a function declared + * static but never defined. Just an annoying bug in flex's output. */ +static int yy_init_globals (yyscan_t yyscanner) {return 0;} +void use_yy_init_globals (void); +void use_yy_init_globals (void) {yyscan_t scan; yy_init_globals(scan);}