dat-thang/tests/test_cable_thang.c

#define _POSIX_C_SOURCE 200809L
#define main cable_thang_embedded_main
#include "../src/ddat_gui.c"
#undef main

#include <assert.h>
#include <sys/select.h>
#include <time.h>

static void announce_new_messages(gui_state_t *state, size_t *seen)
{
	uint8_t self[32];
	size_t i;
	if (cable_hex_key(state->cable_feed_key, self)) return;
	for (i = *seen; i < state->cable_line_count; i++) {
		const cable_room_event_t *event = &state->cable_lines[i].event;
		if (event->type == CABLE_ROOM_TEXT && memcmp(event->sender, self, sizeof(self)) != 0) {
			printf("RX\t%s\t%s\n", event->nick, event->text);
			fflush(stdout);
		}
	}
	*seen = state->cable_line_count;
}

static void read_command(gui_state_t *state, char *line, int *running)
{
	size_t length = strlen(line);
	while (length && (line[length - 1] == '\n' || line[length - 1] == '\r')) line[--length] = '\0';
	if (!strcmp(line, "QUIT")) { *running = 0; return; }
	if (!strncmp(line, "SEND ", 5)) {
		if (strlen(line + 5) > CABLE_CHAT_TEXT_BYTES) { puts("ERR message-too-long"); fflush(stdout); return; }
		strcpy(state->cable_input, line + 5);
		if (cable_room_submit(state)) { puts("ERR send-failed"); fflush(stdout); }
		else { puts("SENT"); fflush(stdout); }
		return;
	}
	if (!strncmp(line, "NICK ", 5)) {
		if (strlen(line + 5) > CABLE_ROOM_NICK_BYTES) { puts("ERR nick-too-long"); fflush(stdout); return; }
		snprintf(state->cable_input, sizeof(state->cable_input), "/nick %s", line + 5);
		if (cable_room_submit(state)) { puts("ERR nick-failed"); fflush(stdout); }
		else { puts("NICKED"); fflush(stdout); }
		return;
	}
	if (!strncmp(line, "JOIN ", 5)) {
		if (strlen(line + 5) > CABLE_ROOM_CHANNEL_BYTES) { puts("ERR channel-too-long"); fflush(stdout); return; }
		snprintf(state->cable_input, sizeof(state->cable_input), "/join %s", line + 5);
		if (cable_room_submit(state)) { puts("ERR join-failed"); fflush(stdout); }
		else { puts("JOINED"); fflush(stdout); }
		return;
	}
	puts("ERR unknown-command");
	fflush(stdout);
}

int main(int argc, char **argv)
{
	static gui_state_t state;
	SDL_Window *window;
	SDL_Renderer *renderer;
	char input[2048];
	size_t seen_lines = 0;
	int running = 1, ready_reported = 0, peer_reported = 0;
	if (argc != 2) { fputs("usage: test_cable_thang <cabal-room-address>\n", stderr); return 2; }
	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) { fprintf(stderr, "SDL init: %s\n", SDL_GetError()); return 1; }
	window = SDL_CreateWindow("cable-thang live test", SDL_WINDOWPOS_UNDEFINED,
				  SDL_WINDOWPOS_UNDEFINED, 1000, 640,
				  SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE);
	if (!window) { fprintf(stderr, "SDL window: %s\n", SDL_GetError()); SDL_Quit(); return 1; }
	renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
	if (!renderer) {
		fprintf(stderr, "SDL renderer: %s\n", SDL_GetError());
		SDL_DestroyWindow(window); SDL_Quit(); return 1;
	}
	state.cable_thang_mode = 1;
	if (cable_thang_room_init(&state, argv[1]) || cable_thang_network_start(&state)) {
		perror("Cable SDL room startup"); SDL_DestroyRenderer(renderer); SDL_DestroyWindow(window); SDL_Quit(); return 1;
	}
	while (running) {
		fd_set reads;
		struct timeval tick = {0, 10000};
		int result;
		SDL_Event event;
		while (SDL_PollEvent(&event)) if (event.type == SDL_QUIT) running = 0;
		network_pump(&state, SDL_GetTicks());
		if (!ready_reported && state.cable_feed_key[0]) {
			printf("C_READY %s\n", state.cable_feed_key); fflush(stdout); ready_reported = 1;
		}
		if (!peer_reported && state.connected_peers) { puts("PEER_UP"); fflush(stdout); peer_reported = 1; }
		announce_new_messages(&state, &seen_lines);
		cable_thang_draw(renderer, 1000, 640, &state);
		SDL_RenderPresent(renderer);
		FD_ZERO(&reads); FD_SET(STDIN_FILENO, &reads);
		result = select(STDIN_FILENO + 1, &reads, NULL, NULL, &tick);
		if (result > 0 && FD_ISSET(STDIN_FILENO, &reads)) {
			if (!fgets(input, sizeof(input), stdin)) running = 0;
			else read_command(&state, input, &running);
		} else if (result < 0 && errno != EINTR) running = 0;
	}
	network_stop(&state);
	SDL_DestroyRenderer(renderer);
	SDL_DestroyWindow(window);
	SDL_Quit();
	return 0;
}