Function websocket_create

src/engine/shared/websockets.cpp:240–288

}

int websocket_create(const NETADDR *bindaddr)
{
	// find free context
	int first_free = -1;
	for(int i = 0; i < (int)std::size(contexts); i++)
	{
		if(contexts[i].context == nullptr)
		{
			first_free = i;
			break;
		}
	}
	if(first_free == -1)
	{
		log_error("websockets", "Failed to create websocket: no free contexts available");
		return -1;
	}

	context_data *ctx_data = &contexts[first_free];
	mem_zero(&ctx_data->creation_info, sizeof(ctx_data->creation_info));
	ctx_data->creation_info.options = LWS_SERVER_OPTION_FAIL_UPON_UNABLE_TO_BIND;
	if(bindaddr->type == NETTYPE_WEBSOCKET_IPV6)
	{
		// Set IPv6-only mode and socket option for IPv6 Websockets.
		ctx_data->creation_info.options |= LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE | LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY;
	}
	net_addr_str(bindaddr, ctx_data->bindaddr_str, sizeof(ctx_data->bindaddr_str), false);
	if(ctx_data->bindaddr_str[0] == '[' && ctx_data->bindaddr_str[str_length(ctx_data->bindaddr_str) - 1] == ']')
	{
		// Bindaddr must not be enclosed in brackets for IPv6 Websockets.
		ctx_data->bindaddr_str[str_length(ctx_data->bindaddr_str) - 1] = '\0';
		mem_move(&ctx_data->bindaddr_str[0], &ctx_data->bindaddr_str[1], str_length(ctx_data->bindaddr_str) + 1);
	}
	ctx_data->creation_info.iface = ctx_data->bindaddr_str;
	ctx_data->creation_info.port = bindaddr->port;
	ctx_data->creation_info.protocols = protocols;
	ctx_data->creation_info.gid = -1;
	ctx_data->creation_info.uid = -1;
	ctx_data->creation_info.user = ctx_data;

	ctx_data->context = lws_create_context(&ctx_data->creation_info);
	if(ctx_data->context == nullptr)
	{
		return -1;
	}
	contexts_map[ctx_data->context] = ctx_data;
	ctx_data->recv_buffer.Init();
	return first_free;
}

void websocket_destroy(int socket)
{