Ejemplo n.º 1
0
static int
_maincb(struct skynet_context * context, void * ud, int type, int session, uint32_t source, const void * msg, size_t sz) {
	const struct localcast *lc = msg;
	size_t s = lc->sz | type << HANDLE_REMOTE_SHIFT;
	struct skynet_multicast_message * mc = skynet_multicast_create(lc->msg, s, source);
	skynet_multicast_cast(context, mc, lc->group, lc->n);
	free((void *)lc->group);
	return 0;
}
// 多播的主要处理函数
static int
_maincb(struct skynet_context * context, void * ud, int type, int session, uint32_t source, const void * msg, size_t sz) {
	struct skynet_multicast_group *g = ud;

	// PTYPE_SYSTEM 协议控制命令
	if (type == PTYPE_SYSTEM) {
		char cmd = '\0';
		uint32_t handle = 0;
		sscanf(msg,"%c %x",&cmd,&handle); // 格式化参数
		if (handle == 0) {
			skynet_error(context, "Invalid handle %s",msg);
			return 0;
		}

		// 简单的命令协议
		switch (cmd) {
		case 'E':
			skynet_multicast_entergroup(g, handle);
			break;
		case 'L':
			skynet_multicast_leavegroup(g, handle);
			break;
		case 'C':
			skynet_command(context, "EXIT", NULL);
			break;
		default:
			skynet_error(context, "Invalid command %s",msg);
			break;
		}
		return 0;		
	}

	// 发送消息出去
	else {
		sz |= type << HANDLE_REMOTE_SHIFT;
		struct skynet_multicast_message * mc = skynet_multicast_create(msg, sz, source);
		skynet_multicast_castgroup(context, g, mc);
		return 1;
	}
}