samp-re/reliability.c

/* vim: set filetype=c ts=8 noexpandtab: */

#define RELIABILITY_PRINT

#ifdef RELIABILITY_PRINT
#define dprintf(X,...) printf(X,__VA_ARGS__)
#else
#define dprintf(X,...)
#endif

#include "common.h"
#include "bitstream.h"
#include "rakpeer.h"
#include "reliability.h"
#include <stdio.h>

/**
seems like a nop
*/
static
void UpdateThreadedMemory(struct CReliabilityLayer *this)
{
	if (this->freeThreadedMemoryOnNextUpdate) {
		this->freeThreadedMemoryOnNextUpdate = 0;
	}
}

static
void AddBitsReceivedStatistic(struct CReliabilityLayer *this, int bits)
{
	unsigned int loValue;

	loValue = this->statistics_bitsReceivedLo32;
	this->statistics_bitsReceivedLo32 += bits;
	if (this->statistics_bitsReceivedLo32 < loValue) {
		this->statistics_bitsReceivedHi32++;
	}
}

int __stdcall ReliabilityLayer__HandleSocketReceiveFromConnectedPlayer(
	struct CReliabilityLayer *this,
	char *buffer,
	int length,
	struct PlayerID playerId,
	void *messageHandlerList,
	int MTUSize,
	int *ptrOutIsPacketFlood)
{
	struct CBitStream bitStream;
	struct CRaknetTimeNS time;
	struct CRangeList incomingAcks;
	char hasAcks;

	if (length == 1 || buffer == NULL) {
		dprintf("ignoring length %d buffer %p\n", length, buffer);
		// connection request, ignore
		return 1;
	}

	UpdateThreadedMemory(this);
	AddBitsReceivedStatistic(this, length * 8);

	BitStream__ctor(&bitStream, buffer, length, 0);
	RakNet__GetTimeNS(&time);
	__RangeList__ctor(&incomingAcks);

	BitStream__Read(&bitStream, &hasAcks);
	if (hasAcks) {
		dprintf("hasacks\n");
	}

	__RangeList__dtor(&incomingAcks);
	BitStream__dtor(&bitStream);
	return 0;
}