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cleanup and bugfixing in the netcode

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This commit is contained in:
Magnus Auvinen 2007-07-14 21:37:53 +00:00
parent fef680ba11
commit adc9b9d9c0
1 changed files with 4 additions and 34 deletions
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38
src/engine/network.cpp
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@ -19,8 +19,6 @@
*/
#define NETWORK_HEADER_V2
// move
static int net_addr4_cmp(const NETADDR4 *a, const NETADDR4 *b)
{
@ -38,11 +36,7 @@ enum
{
NETWORK_VERSION = 1,
#ifdef NETWORK_HEADER_V2
NETWORK_HEADER_SIZE = 6,
#else
NETWORK_HEADER_SIZE = 12,
#endif
NETWORK_MAX_PACKET_SIZE = 1024,
NETWORK_MAX_CLIENTS = 16,
@ -77,27 +71,12 @@ struct NETPACKETDATA
static void send_packet(NETSOCKET socket, NETADDR4 *addr, NETPACKETDATA *packet)
{
unsigned char buffer[NETWORK_MAX_PACKET_SIZE];
#ifdef NETWORK_HEADER_V2
buffer[0] = packet->flags;
buffer[1] = ((packet->seq>>4)&0xf0) | ((packet->ack>>8)&0x0f);
buffer[2] = packet->seq;
buffer[3] = packet->ack;
buffer[4] = packet->crc>>8;
buffer[5] = packet->crc&0xff;
#else
buffer[0] = packet->ID[0];
buffer[1] = packet->ID[1];
buffer[2] = packet->version;
buffer[3] = packet->flags;
buffer[4] = packet->seq>>8;
buffer[5] = packet->seq&0xff;
buffer[6] = packet->ack>>8;
buffer[7] = packet->ack&0xff;
buffer[8] = (packet->crc>>24)&0xff;
buffer[9] = (packet->crc>>16)&0xff;
buffer[10] = (packet->crc>>8)&0xff;
buffer[11] = packet->crc&0xff;
#endif
mem_copy(buffer+NETWORK_HEADER_SIZE, packet->data, packet->data_size);
int send_size = NETWORK_HEADER_SIZE+packet->data_size;
//dbg_msg("network", "sending packet, size=%d (%d + %d)", send_size, NETWORK_HEADER_SIZE, packet->data_size);
@ -299,6 +278,9 @@ static int conn_feed(NETCONNECTION *conn, NETPACKETDATA *p, NETADDR4 *addr)
return 0;
}
}
if(p->data_size == 0)
return 0;
return 1;
}
@ -394,7 +376,6 @@ static int check_packet(unsigned char *buffer, int size, NETPACKETDATA *packet)
return -1;
// read the packet
#ifdef NETWORK_HEADER_V2
packet->ID[0] = 'T';
packet->ID[1] = 'W';
packet->version = NETWORK_VERSION;
@ -402,15 +383,6 @@ static int check_packet(unsigned char *buffer, int size, NETPACKETDATA *packet)
packet->seq = ((buffer[1]&0xf0)<<4)|buffer[2];
packet->ack = ((buffer[1]&0x0f)<<8)|buffer[3];
packet->crc = (buffer[8]<<24)|(buffer[9]<<16)|(buffer[10]<<8)|buffer[11];
#else
packet->ID[0] = buffer[0];
packet->ID[1] = buffer[1];
packet->version = buffer[2];
packet->flags = buffer[3];
packet->seq = (buffer[4]<<8)|buffer[5];
packet->ack = (buffer[6]<<8)|buffer[7];
packet->crc = (buffer[8]<<24)|(buffer[9]<<16)|(buffer[10]<<8)|buffer[11];
#endif
packet->data_size = size - NETWORK_HEADER_SIZE;
packet->data = buffer+NETWORK_HEADER_SIZE;
@ -653,10 +625,8 @@ int net_client_recv(NETCLIENT *c, NETPACKET *packet)
NETPACKETDATA data;
int r = check_packet(c->recv_buffer, bytes, &data);
if(r == 0)
if(r == 0 && conn_feed(&c->conn, &data, &addr))
{
// ok packet, process it
conn_feed(&c->conn, &data, &addr);
// fill in packet
packet->client_id = 0;
packet->address = addr;