Add an option to expect all client drawing to succeed
Alias `no-wait'. So far the server always draws everything. If that stops being the case, we might want to introduce a denial response and additional logic in the client, so that it can fix its own version of the picture.
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17
autistdraw.c
17
autistdraw.c
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@ -112,6 +112,8 @@ struct app_context
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struct msg_reader msg_reader; ///< Server message reader
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write_queue_t write_queue; ///< Server write queue
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bool no_wait; ///< Don't wait for server confirmations
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// Server:
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int listen_fd; ///< Listening FD
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ev_io listen_watcher; ///< Listening FD watcher
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@ -514,12 +516,14 @@ draw_point_internal (app_context_t *app, int x, int y, uint8_t color)
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static void
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draw_point (app_context_t *app, int x, int y, uint8_t color)
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{
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// We don't actually draw anything immediately in client mode,
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// instead we wait for confirmation from the server
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if (app->mode == NETWORK_MODE_CLIENT)
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{
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send_draw_point_request (app, x, y, color);
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return;
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// We don't usually draw anything immediately in client mode,
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// instead we wait for confirmation from the server
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if (!app->no_wait)
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return;
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}
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draw_point_internal (app, x, y, color);
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@ -1372,6 +1376,7 @@ struct app_options
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{
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struct addrinfo *client_address; ///< Address to connect to
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struct addrinfo *server_address; ///< Address to listen at
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bool no_wait; ///< Don't wait for server confirmations
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};
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static void
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@ -1439,6 +1444,8 @@ parse_program_arguments (app_options_t *options, int argc, char **argv)
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{ 'V', "version", NULL, 0, "output version information and exit" },
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{ 's', "server", "[ADDRESS]:PORT", 0, "start a server" },
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{ 'c', "client", "[ADDRESS]:PORT", 0, "connect to a server" },
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{ 'n', "no-wait", NULL, OPT_LONG_ONLY,
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"don't wait for server confirmations" },
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{ 0, NULL, NULL, 0, NULL }
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};
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@ -1476,6 +1483,9 @@ parse_program_arguments (app_options_t *options, int argc, char **argv)
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if (!(options->client_address = parse_address (optarg, 0)))
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exit (EXIT_FAILURE);
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break;
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case 'n':
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options->no_wait = true;
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break;
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default:
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fprintf (stderr, "%s: %s\n", "error", "wrong options");
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opt_handler_usage (&oh, stderr);
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@ -1617,6 +1627,7 @@ main (int argc, char *argv[])
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else
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app.mode = NETWORK_MODE_STANDALONE;
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app.no_wait = options.no_wait;
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app_options_free (&options);
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termo_t *tk = termo_new (STDIN_FILENO, NULL, 0);
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