src/net/server_client_bin.cpp

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#include <malloc.h>
#include <string.h>
#include <arpa/inet.h>
#include "net/server_client_bin.h"
#include "net/client_common.h"
#include "net/packet.h"

bool ServerClientBin::ParseBuffer()
{
        Lock();
        if(buffer_len < 4)
        {
                Unlock();
                return false;
        }

        unsigned int pckt_size = ntohl(*(int*)buffer);

        if(pckt_size <= buffer_len)
        {
                Packet* p = new Packet(buffer);
                HandlePacket(p);
                delete p;

                // buffer_len can be 0 when HandlePacket() triggered a disconnect
                if(buffer_len == pckt_size || buffer_len == 0)
                {
                        if(buffer)
                                free(buffer);
                        buffer = NULL;
                        buffer_len = 0;
                        Unlock();
                        return false;
                }

                buffer_len -= pckt_size;
                char* new_buf = (char*)malloc(buffer_len);
                memcpy(new_buf, buffer + pckt_size, buffer_len);
                free(buffer);
                buffer = new_buf;
                Unlock();
                return true;
        }
        Unlock();
        return false;
}

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