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Split send and receive buffers to be able to answer pings

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This commit is contained in:
simon.kagstrom 2010-02-24 18:53:07 +00:00
parent 695f3b9471
commit dcf255f1e2
2 changed files with 12 additions and 11 deletions
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20
Src/Network.cpp
View File

@ -59,8 +59,8 @@ Network::Network(const char *remote_host, int port)
this->connected = false; this->connected = false;
/* "big enough" buffer */ /* "big enough" buffer */
this->ud = (NetworkUpdate*)malloc( size ); this->ud = (NetworkUpdate*)xmalloc( size );
assert(this->ud); this->receive_ud = (NetworkUpdate*)xmalloc( size );
this->ResetNetworkUpdate(); this->ResetNetworkUpdate();
this->traffic = 0; this->traffic = 0;
@ -108,6 +108,7 @@ Network::Network(const char *remote_host, int port)
Network::~Network() Network::~Network()
{ {
free(this->ud); free(this->ud);
free(this->receive_ud);
free(this->square_updated); free(this->square_updated);
free(this->raw_buf); free(this->raw_buf);
free(this->rle_buf); free(this->rle_buf);
@ -485,6 +486,7 @@ void Network::EncodeJoystickUpdate(Uint8 v)
void Network::ResetNetworkUpdate(void) void Network::ResetNetworkUpdate(void)
{ {
memset(this->ud, 0, NETWORK_UPDATE_SIZE); memset(this->ud, 0, NETWORK_UPDATE_SIZE);
memset(this->receive_ud, 0, NETWORK_UPDATE_SIZE);
this->cur_ud = InitNetworkUpdate(this->ud, STOP, sizeof(NetworkUpdate)); this->cur_ud = InitNetworkUpdate(this->ud, STOP, sizeof(NetworkUpdate));
} }
@ -531,12 +533,12 @@ bool Network::ReceiveUpdate()
struct timeval tv; struct timeval tv;
memset(&tv, 0, sizeof(tv)); memset(&tv, 0, sizeof(tv));
return this->ReceiveUpdate(this->ud, NETWORK_UPDATE_SIZE, &tv); return this->ReceiveUpdate(this->receive_ud, NETWORK_UPDATE_SIZE, &tv);
} }
bool Network::ReceiveUpdate(struct timeval *tv) bool Network::ReceiveUpdate(struct timeval *tv)
{ {
return this->ReceiveUpdate(this->ud, NETWORK_UPDATE_SIZE, tv); return this->ReceiveUpdate(this->receive_ud, NETWORK_UPDATE_SIZE, tv);
} }
bool Network::ReceiveUpdate(NetworkUpdate *dst, size_t total_sz, bool Network::ReceiveUpdate(NetworkUpdate *dst, size_t total_sz,
@ -910,7 +912,7 @@ bool Network::ScanDataForStop(NetworkUpdate *ud, size_t max_size)
bool Network::DecodeUpdate(C64Display *display, uint8 *js, MOS6581 *dst) bool Network::DecodeUpdate(C64Display *display, uint8 *js, MOS6581 *dst)
{ {
NetworkUpdate *p = this->ud; NetworkUpdate *p = this->receive_ud;
bool out = true; bool out = true;
while (p->type != STOP) while (p->type != STOP)
@ -970,15 +972,13 @@ bool Network::DecodeUpdate(C64Display *display, uint8 *js, MOS6581 *dst)
NetworkUpdatePingAck *ping = (NetworkUpdatePingAck *)p->data; NetworkUpdatePingAck *ping = (NetworkUpdatePingAck *)p->data;
uint16 type = ACK; uint16 type = ACK;
if (ud->type == BANDWIDTH_PING) if (p->type == BANDWIDTH_PING)
type = BANDWIDTH_ACK; type = BANDWIDTH_ACK;
this->SendPingAck(&this->server_addr, ping->seq, type, ud->size); this->SendPingAck(&this->server_addr, ping->seq, type, p->size);
/* FIXME! Temporary crash fix */
this->ResetNetworkUpdate();
} break; } break;
case LIST_PEERS: case LIST_PEERS:
{ {
NetworkUpdateListPeers *lp = (NetworkUpdateListPeers *)this->ud->data; NetworkUpdateListPeers *lp = (NetworkUpdateListPeers *)p->data;
if (lp->n_peers == 1 && (lp->flags & NETWORK_UPDATE_LIST_PEERS_IS_CONNECT)) if (lp->n_peers == 1 && (lp->flags & NETWORK_UPDATE_LIST_PEERS_IS_CONNECT))
{ {

3
Src/Network.h
View File

@ -15,7 +15,7 @@
#define FRODO_NETWORK_MAGIC 0x1976 #define FRODO_NETWORK_MAGIC 0x1976
#define NETWORK_UPDATE_SIZE (256 * 1024) #define NETWORK_UPDATE_SIZE (128 * 1024)
#define NETWORK_SOUND_BUF_SIZE 8192 #define NETWORK_SOUND_BUF_SIZE 8192
#define SCREENSHOT_FACTOR 4 #define SCREENSHOT_FACTOR 4
@ -384,6 +384,7 @@ protected:
return (NetworkUpdate*)((Uint8*)p + p->size); return (NetworkUpdate*)((Uint8*)p + p->size);
} }
NetworkUpdate *receive_ud;
NetworkUpdate *ud; NetworkUpdate *ud;
NetworkUpdate *cur_ud; NetworkUpdate *cur_ud;
Uint8 *raw_buf; Uint8 *raw_buf;