You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

1138 lines
32 KiB

/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/PubUtilLib/plNetGateKeeperLib/Private/plNglGateKeeper.cpp
*
***/
#include "../Pch.h"
#pragma hdrstop
namespace Ngl { namespace GateKeeper {
/*****************************************************************************
*
* Private
*
***/
struct CliGkConn : AtomicRef {
CliGkConn ();
~CliGkConn ();
// Reconnection
AsyncTimer * reconnectTimer;
unsigned reconnectStartMs;
// Ping
AsyncTimer * pingTimer;
unsigned pingSendTimeMs;
unsigned lastHeardTimeMs;
// This function should be called during object construction
// to initiate connection attempts to the remote host whenever
// the socket is disconnected.
void AutoReconnect ();
bool AutoReconnectEnabled ();
void StopAutoReconnect (); // call before destruction
void StartAutoReconnect ();
void TimerReconnect ();
// ping
void AutoPing ();
void StopAutoPing ();
void TimerPing ();
void Send (const uintptr_t fields[], unsigned count);
CCritSect critsect;
LINK(CliGkConn) link;
AsyncSocket sock;
NetCli * cli;
char name[MAX_PATH];
plNetAddress addr;
plUUID token;
unsigned seq;
unsigned serverChallenge;
AsyncCancelId cancelId;
bool abandoned;
};
//============================================================================
// PingRequestTrans
//============================================================================
struct PingRequestTrans : NetGateKeeperTrans {
FNetCliGateKeeperPingRequestCallback m_callback;
void * m_param;
unsigned m_pingAtMs;
unsigned m_replyAtMs;
ARRAY(uint8_t) m_payload;
PingRequestTrans (
FNetCliGateKeeperPingRequestCallback callback,
void * param,
unsigned pingAtMs,
unsigned payloadBytes,
const void * payload
);
bool Send ();
void Post ();
bool Recv (
const uint8_t msg[],
unsigned bytes
);
};
//============================================================================
// FileSrvIpAddressRequestTrans
//============================================================================
struct FileSrvIpAddressRequestTrans : NetGateKeeperTrans {
FNetCliGateKeeperFileSrvIpAddressRequestCallback m_callback;
void * m_param;
wchar_t m_addr[64];
bool m_isPatcher;
FileSrvIpAddressRequestTrans (
FNetCliGateKeeperFileSrvIpAddressRequestCallback callback,
void * param,
bool isPatcher
);
bool Send ();
void Post ();
bool Recv (
const uint8_t msg[],
unsigned bytes
);
};
//============================================================================
// AuthSrvIpAddressRequestTrans
//============================================================================
struct AuthSrvIpAddressRequestTrans : NetGateKeeperTrans {
FNetCliGateKeeperAuthSrvIpAddressRequestCallback m_callback;
void * m_param;
wchar_t m_addr[64];
AuthSrvIpAddressRequestTrans (
FNetCliGateKeeperAuthSrvIpAddressRequestCallback callback,
void * param
);
bool Send ();
void Post ();
bool Recv (
const uint8_t msg[],
unsigned bytes
);
};
/*****************************************************************************
*
* Private data
*
***/
enum {
kPerfConnCount,
kPingDisabled,
kAutoReconnectDisabled,
kNumPerf
};
static bool s_running;
static CCritSect s_critsect;
static LISTDECL(CliGkConn, link) s_conns;
static CliGkConn * s_active;
static long s_perf[kNumPerf];
/*****************************************************************************
*
* Internal functions
*
***/
//===========================================================================
static unsigned GetNonZeroTimeMs () {
if (unsigned ms = TimeGetMs())
return ms;
return 1;
}
//============================================================================
static CliGkConn * GetConnIncRef_CS (const char tag[]) {
if (CliGkConn * conn = s_active) {
conn->IncRef(tag);
return conn;
}
return nil;
}
//============================================================================
static CliGkConn * GetConnIncRef (const char tag[]) {
CliGkConn * conn;
s_critsect.Enter();
{
conn = GetConnIncRef_CS(tag);
}
s_critsect.Leave();
return conn;
}
//============================================================================
static void UnlinkAndAbandonConn_CS (CliGkConn * conn) {
s_conns.Unlink(conn);
conn->abandoned = true;
conn->StopAutoReconnect();
if (conn->cancelId) {
AsyncSocketConnectCancel(nil, conn->cancelId);
conn->cancelId = 0;
}
else if (conn->sock) {
AsyncSocketDisconnect(conn->sock, true);
}
else {
conn->DecRef("Lifetime");
}
}
//============================================================================
static void SendClientRegisterRequest (CliGkConn * conn) {
/* const uintptr_t msg[] = {
kCli2GateKeeper_ClientRegisterRequest,
BuildId(),
};
conn->Send(msg, arrsize(msg));*/
}
//============================================================================
static bool ConnEncrypt (ENetError error, void * param) {
CliGkConn * conn = (CliGkConn *) param;
if (IS_NET_SUCCESS(error)) {
//SendClientRegisterRequest(conn);
if (!s_perf[kPingDisabled])
conn->AutoPing();
s_critsect.Enter();
{
SWAP(s_active, conn);
}
s_critsect.Leave();
// AuthConnectedNotifyTrans * trans = new AuthConnectedNotifyTrans;
// NetTransSend(trans);
}
return IS_NET_SUCCESS(error);
}
//============================================================================
static void NotifyConnSocketConnect (CliGkConn * conn) {
conn->TransferRef("Connecting", "Connected");
conn->cli = NetCliConnectAccept(
conn->sock,
kNetProtocolCli2GateKeeper,
false,
ConnEncrypt,
0,
nil,
conn
);
}
//============================================================================
static void CheckedReconnect (CliGkConn * conn, ENetError error) {
unsigned disconnectedMs = GetNonZeroTimeMs() - conn->lastHeardTimeMs;
// no auto-reconnect or haven't heard from the server in a while?
if (!conn->AutoReconnectEnabled() || (int)disconnectedMs >= (int)kDisconnectedTimeoutMs) {
// Cancel all transactions in progress on this connection.
NetTransCancelByConnId(conn->seq, kNetErrTimeout);
// conn is dead.
conn->DecRef("Lifetime");
ReportNetError(kNetProtocolCli2GateKeeper, error);
}
else {
if (conn->token != kNilUuid)
// previously encrypted; reconnect quickly
conn->reconnectStartMs = GetNonZeroTimeMs() + 500;
else
// never encrypted; reconnect slowly
conn->reconnectStartMs = GetNonZeroTimeMs() + kMaxReconnectIntervalMs;
// clean up the socket and start reconnect
if (conn->cli)
NetCliDelete(conn->cli, true);
conn->cli = nil;
conn->sock = nil;
conn->StartAutoReconnect();
}
}
//============================================================================
static void NotifyConnSocketConnectFailed (CliGkConn * conn) {
s_critsect.Enter();
{
conn->cancelId = 0;
s_conns.Unlink(conn);
if (conn == s_active)
s_active = nil;
}
s_critsect.Leave();
CheckedReconnect(conn, kNetErrConnectFailed);
conn->DecRef("Connecting");
}
//============================================================================
static void NotifyConnSocketDisconnect (CliGkConn * conn) {
conn->StopAutoPing();
s_critsect.Enter();
{
conn->cancelId = 0;
s_conns.Unlink(conn);
if (conn == s_active)
s_active = nil;
}
s_critsect.Leave();
// Cancel all transactions in process on this connection.
NetTransCancelByConnId(conn->seq, kNetErrTimeout);
conn->DecRef("Connected");
conn->DecRef("Lifetime");
}
//============================================================================
static bool NotifyConnSocketRead (CliGkConn * conn, AsyncNotifySocketRead * read) {
// TODO: Only dispatch messages from the active auth server
conn->lastHeardTimeMs = GetNonZeroTimeMs();
bool result = NetCliDispatch(conn->cli, read->buffer, read->bytes, conn);
read->bytesProcessed += read->bytes;
return result;
}
//============================================================================
static bool SocketNotifyCallback (
AsyncSocket sock,
EAsyncNotifySocket code,
AsyncNotifySocket * notify,
void ** userState
) {
bool result = true;
CliGkConn * conn;
switch (code) {
case kNotifySocketConnectSuccess:
conn = (CliGkConn *) notify->param;
*userState = conn;
bool abandoned;
s_critsect.Enter();
{
conn->sock = sock;
conn->cancelId = 0;
abandoned = conn->abandoned;
}
s_critsect.Leave();
if (abandoned)
AsyncSocketDisconnect(sock, true);
else
NotifyConnSocketConnect(conn);
break;
case kNotifySocketConnectFailed:
conn = (CliGkConn *) notify->param;
NotifyConnSocketConnectFailed(conn);
break;
case kNotifySocketDisconnect:
conn = (CliGkConn *) *userState;
NotifyConnSocketDisconnect(conn);
break;
case kNotifySocketRead:
conn = (CliGkConn *) *userState;
result = NotifyConnSocketRead(conn, (AsyncNotifySocketRead *) notify);
break;
}
return result;
}
//============================================================================
static void Connect (
CliGkConn * conn
) {
ASSERT(s_running);
conn->pingSendTimeMs = 0;
s_critsect.Enter();
{
while (CliGkConn * oldConn = s_conns.Head()) {
if (oldConn != conn)
UnlinkAndAbandonConn_CS(oldConn);
else
s_conns.Unlink(oldConn);
}
s_conns.Link(conn);
}
s_critsect.Leave();
Cli2GateKeeper_Connect connect;
connect.hdr.connType = kConnTypeCliToGateKeeper;
connect.hdr.hdrBytes = sizeof(connect.hdr);
connect.hdr.buildId = BuildId();
connect.hdr.buildType = BUILD_TYPE_LIVE;
connect.hdr.branchId = BranchId();
connect.hdr.productId = ProductId();
connect.data.token = conn->token;
connect.data.dataBytes = sizeof(connect.data);
AsyncSocketConnect(
&conn->cancelId,
conn->addr,
SocketNotifyCallback,
conn,
&connect,
sizeof(connect),
0,
0
);
}
//============================================================================
static void Connect (
const char name[],
const plNetAddress& addr
) {
ASSERT(s_running);
CliGkConn * conn = new CliGkConn;
conn->addr = addr;
conn->seq = ConnNextSequence();
conn->lastHeardTimeMs = GetNonZeroTimeMs(); // used in connect timeout, and ping timeout
strncpy(conn->name, name, arrsize(conn->name));
conn->IncRef("Lifetime");
conn->AutoReconnect();
}
//============================================================================
static void AsyncLookupCallback (
void * param,
const char name[],
unsigned addrCount,
const plNetAddress addrs[]
) {
if (!addrCount) {
ReportNetError(kNetProtocolCli2GateKeeper, kNetErrNameLookupFailed);
return;
}
for (unsigned i = 0; i < addrCount; ++i) {
Connect(name, addrs[i]);
}
}
/*****************************************************************************
*
* CliGkConn
*
***/
//===========================================================================
static unsigned CliGkConnTimerDestroyed (void * param) {
CliGkConn * conn = (CliGkConn *) param;
conn->DecRef("TimerDestroyed");
return kAsyncTimeInfinite;
}
//===========================================================================
static unsigned CliGkConnReconnectTimerProc (void * param) {
((CliGkConn *) param)->TimerReconnect();
return kAsyncTimeInfinite;
}
//===========================================================================
static unsigned CliGkConnPingTimerProc (void * param) {
((CliGkConn *) param)->TimerPing();
return kPingIntervalMs;
}
//============================================================================
CliGkConn::CliGkConn ()
: reconnectTimer(nil), reconnectStartMs(0)
, pingTimer(nil), pingSendTimeMs(0), lastHeardTimeMs(0)
, sock(nil), cli(nil), seq(0), serverChallenge(0)
, cancelId(nil), abandoned(false)
{
memset(name, 0, sizeof(name));
AtomicAdd(&s_perf[kPerfConnCount], 1);
}
//============================================================================
CliGkConn::~CliGkConn () {
if (cli)
NetCliDelete(cli, true);
AtomicAdd(&s_perf[kPerfConnCount], -1);
}
//===========================================================================
void CliGkConn::TimerReconnect () {
ASSERT(!sock);
ASSERT(!cancelId);
if (!s_running) {
s_critsect.Enter();
UnlinkAndAbandonConn_CS(this);
s_critsect.Leave();
}
else {
IncRef("Connecting");
// Remember the time we started the reconnect attempt, guarding against
// TimeGetMs() returning zero (unlikely), as a value of zero indicates
// a first-time connect condition to StartAutoReconnect()
reconnectStartMs = GetNonZeroTimeMs();
Connect(this);
}
}
//===========================================================================
// This function is called when after a disconnect to start a new connection
void CliGkConn::StartAutoReconnect () {
critsect.Enter();
if (reconnectTimer && !s_perf[kAutoReconnectDisabled]) {
// Make reconnect attempts at regular intervals. If the last attempt
// took more than the specified max interval time then reconnect
// immediately; otherwise wait until the time interval is up again
// then reconnect.
unsigned remainingMs = 0;
if (reconnectStartMs) {
remainingMs = reconnectStartMs - GetNonZeroTimeMs();
if ((signed)remainingMs < 0)
remainingMs = 0;
LogMsg(kLogPerf, L"GateKeeper auto-reconnecting in %u ms", remainingMs);
}
AsyncTimerUpdate(reconnectTimer, remainingMs);
}
critsect.Leave();
}
//===========================================================================
// This function should be called during object construction
// to initiate connection attempts to the remote host whenever
// the socket is disconnected.
void CliGkConn::AutoReconnect () {
ASSERT(!reconnectTimer);
IncRef("ReconnectTimer");
critsect.Enter();
{
AsyncTimerCreate(
&reconnectTimer,
CliGkConnReconnectTimerProc,
0, // immediate callback
this
);
}
critsect.Leave();
}
//============================================================================
void CliGkConn::StopAutoReconnect () {
critsect.Enter();
{
if (AsyncTimer * timer = reconnectTimer) {
reconnectTimer = nil;
AsyncTimerDeleteCallback(timer, CliGkConnTimerDestroyed);
}
}
critsect.Leave();
}
//============================================================================
bool CliGkConn::AutoReconnectEnabled () {
return (reconnectTimer != nil) && !s_perf[kAutoReconnectDisabled];
}
//============================================================================
void CliGkConn::AutoPing () {
ASSERT(!pingTimer);
IncRef("PingTimer");
critsect.Enter();
{
AsyncTimerCreate(
&pingTimer,
CliGkConnPingTimerProc,
sock ? 0 : kAsyncTimeInfinite,
this
);
}
critsect.Leave();
}
//============================================================================
void CliGkConn::StopAutoPing () {
critsect.Enter();
{
if (pingTimer) {
AsyncTimerDeleteCallback(pingTimer, CliGkConnTimerDestroyed);
pingTimer = nil;
}
}
critsect.Leave();
}
//============================================================================
void CliGkConn::TimerPing () {
// Send a ping request
pingSendTimeMs = GetNonZeroTimeMs();
const uintptr_t msg[] = {
kCli2GateKeeper_PingRequest,
pingSendTimeMs,
0, // not a transaction
0, // no payload
nil
};
Send(msg, arrsize(msg));
}
//============================================================================
void CliGkConn::Send (const uintptr_t fields[], unsigned count) {
critsect.Enter();
{
NetCliSend(cli, fields, count);
NetCliFlush(cli);
}
critsect.Leave();
}
/*****************************************************************************
*
* Cli2GateKeeper message handlers
*
***/
//============================================================================
static bool Recv_PingReply (
const uint8_t msg[],
unsigned bytes,
void *
) {
const GateKeeper2Cli_PingReply & reply = *(const GateKeeper2Cli_PingReply *)msg;
if (reply.transId)
NetTransRecv(reply.transId, msg, bytes);
return true;
}
//============================================================================
static bool Recv_FileSrvIpAddressReply (
const uint8_t msg[],
unsigned bytes,
void *
) {
const GateKeeper2Cli_FileSrvIpAddressReply & reply = *(const GateKeeper2Cli_FileSrvIpAddressReply *)msg;
if (reply.transId)
NetTransRecv(reply.transId, msg, bytes);
return true;
}
//============================================================================
static bool Recv_AuthSrvIpAddressReply (
const uint8_t msg[],
unsigned bytes,
void *
) {
const GateKeeper2Cli_AuthSrvIpAddressReply & reply = *(const GateKeeper2Cli_AuthSrvIpAddressReply *)msg;
if (reply.transId)
NetTransRecv(reply.transId, msg, bytes);
return true;
}
/*****************************************************************************
*
* Cli2Auth protocol
*
***/
#define MSG(s) kNetMsg_Cli2GateKeeper_##s
static NetMsgInitSend s_send[] = {
{ MSG(PingRequest) },
{ MSG(FileSrvIpAddressRequest) },
{ MSG(AuthSrvIpAddressRequest) },
};
#undef MSG
#define MSG(s) kNetMsg_GateKeeper2Cli_##s, Recv_##s
static NetMsgInitRecv s_recv[] = {
{ MSG(PingReply) },
{ MSG(FileSrvIpAddressReply) },
{ MSG(AuthSrvIpAddressReply) },
};
#undef MSG
/*****************************************************************************
*
* PingRequestTrans
*
***/
//============================================================================
PingRequestTrans::PingRequestTrans (
FNetCliGateKeeperPingRequestCallback callback,
void * param,
unsigned pingAtMs,
unsigned payloadBytes,
const void * payload
) : NetGateKeeperTrans(kPingRequestTrans)
, m_callback(callback)
, m_param(param)
, m_pingAtMs(pingAtMs)
{
m_payload.Set((const uint8_t *)payload, payloadBytes);
}
//============================================================================
bool PingRequestTrans::Send () {
if (!AcquireConn())
return false;
const uintptr_t msg[] = {
kCli2GateKeeper_PingRequest,
m_pingAtMs,
m_transId,
m_payload.Count(),
(uintptr_t) m_payload.Ptr(),
};
m_conn->Send(msg, arrsize(msg));
return true;
}
//============================================================================
void PingRequestTrans::Post () {
m_callback(
m_result,
m_param,
m_pingAtMs,
m_replyAtMs,
m_payload.Count(),
m_payload.Ptr()
);
}
//============================================================================
bool PingRequestTrans::Recv (
const uint8_t msg[],
unsigned bytes
) {
const GateKeeper2Cli_PingReply & reply = *(const GateKeeper2Cli_PingReply *)msg;
m_payload.Set(reply.payload, reply.payloadBytes);
m_replyAtMs = TimeGetMs();
m_result = kNetSuccess;
m_state = kTransStateComplete;
return true;
}
/*****************************************************************************
*
* FileSrvIpAddressRequestTrans
*
***/
//============================================================================
FileSrvIpAddressRequestTrans::FileSrvIpAddressRequestTrans (
FNetCliGateKeeperFileSrvIpAddressRequestCallback callback,
void * param,
bool isPatcher
) : NetGateKeeperTrans(kGkFileSrvIpAddressRequestTrans)
, m_callback(callback)
, m_param(param)
, m_isPatcher(isPatcher)
{
}
//============================================================================
bool FileSrvIpAddressRequestTrans::Send () {
if (!AcquireConn())
return false;
const uintptr_t msg[] = {
kCli2GateKeeper_FileSrvIpAddressRequest,
m_transId,
(uintptr_t)(m_isPatcher == true ? 1 : 0)
};
m_conn->Send(msg, arrsize(msg));
return true;
}
//============================================================================
void FileSrvIpAddressRequestTrans::Post () {
m_callback(
m_result,
m_param,
m_addr
);
}
//============================================================================
bool FileSrvIpAddressRequestTrans::Recv (
const uint8_t msg[],
unsigned bytes
) {
const GateKeeper2Cli_FileSrvIpAddressReply & reply = *(const GateKeeper2Cli_FileSrvIpAddressReply *)msg;
m_result = kNetSuccess;
m_state = kTransStateComplete;
StrCopy(m_addr, reply.address, 64);
return true;
}
/*****************************************************************************
*
* AuthSrvIpAddressRequestTrans
*
***/
//============================================================================
AuthSrvIpAddressRequestTrans::AuthSrvIpAddressRequestTrans (
FNetCliGateKeeperFileSrvIpAddressRequestCallback callback,
void * param
) : NetGateKeeperTrans(kGkAuthSrvIpAddressRequestTrans)
, m_callback(callback)
, m_param(param)
{
}
//============================================================================
bool AuthSrvIpAddressRequestTrans::Send () {
if (!AcquireConn())
return false;
const uintptr_t msg[] = {
kCli2GateKeeper_AuthSrvIpAddressRequest,
m_transId,
};
m_conn->Send(msg, arrsize(msg));
return true;
}
//============================================================================
void AuthSrvIpAddressRequestTrans::Post () {
m_callback(
m_result,
m_param,
m_addr
);
}
//============================================================================
bool AuthSrvIpAddressRequestTrans::Recv (
const uint8_t msg[],
unsigned bytes
) {
const GateKeeper2Cli_AuthSrvIpAddressReply & reply = *(const GateKeeper2Cli_AuthSrvIpAddressReply *)msg;
m_result = kNetSuccess;
m_state = kTransStateComplete;
StrCopy(m_addr, reply.address, 64);
return true;
}
} using namespace GateKeeper;
/*****************************************************************************
*
* NetGateKeeperTrans
*
***/
//============================================================================
NetGateKeeperTrans::NetGateKeeperTrans (ETransType transType)
: NetTrans(kNetProtocolCli2GateKeeper, transType)
, m_conn(nil)
{
}
//============================================================================
NetGateKeeperTrans::~NetGateKeeperTrans () {
ReleaseConn();
}
//============================================================================
bool NetGateKeeperTrans::AcquireConn () {
if (!m_conn)
m_conn = GetConnIncRef("AcquireConn");
return m_conn != nil;
}
//============================================================================
void NetGateKeeperTrans::ReleaseConn () {
if (m_conn) {
m_conn->DecRef("AcquireConn");
m_conn = nil;
}
}
/*****************************************************************************
*
* Protected functions
*
***/
//============================================================================
void GateKeeperInitialize () {
s_running = true;
NetMsgProtocolRegister(
kNetProtocolCli2GateKeeper,
false,
s_send, arrsize(s_send),
s_recv, arrsize(s_recv),
kGateKeeperDhGValue,
plBigNum(sizeof(kGateKeeperDhXData), kGateKeeperDhXData),
plBigNum(sizeof(kGateKeeperDhNData), kGateKeeperDhNData)
);
}
//============================================================================
void GateKeeperDestroy (bool wait) {
s_running = false;
NetTransCancelByProtocol(
kNetProtocolCli2GateKeeper,
kNetErrRemoteShutdown
);
NetMsgProtocolDestroy(
kNetProtocolCli2GateKeeper,
false
);
s_critsect.Enter();
{
while (CliGkConn * conn = s_conns.Head())
UnlinkAndAbandonConn_CS(conn);
s_active = nil;
}
s_critsect.Leave();
if (!wait)
return;
while (s_perf[kPerfConnCount]) {
NetTransUpdate();
AsyncSleep(10);
}
}
//============================================================================
bool GateKeeperQueryConnected () {
bool result;
s_critsect.Enter();
{
if (nil != (result = s_active))
result &= (nil != s_active->cli);
}
s_critsect.Leave();
return result;
}
//============================================================================
unsigned GateKeeperGetConnId () {
unsigned connId;
s_critsect.Enter();
connId = (s_active) ? s_active->seq : 0;
s_critsect.Leave();
return connId;
}
} using namespace Ngl;
/*****************************************************************************
*
* Exported functions
*
***/
//============================================================================
void NetCliGateKeeperStartConnect (
const char* gateKeeperAddrList[],
uint32_t gateKeeperAddrCount
) {
gateKeeperAddrCount = min(gateKeeperAddrCount, 1);
for (unsigned i = 0; i < gateKeeperAddrCount; ++i) {
// Do we need to lookup the address?
const char* name = gateKeeperAddrList[i];
while (unsigned ch = *name) {
++name;
if (!(isdigit(ch) || ch == L'.' || ch == L':')) {
AsyncCancelId cancelId;
AsyncAddressLookupName(
&cancelId,
AsyncLookupCallback,
gateKeeperAddrList[i],
kNetDefaultClientPort,
nil
);
break;
}
}
if (!name[0]) {
plNetAddress addr(gateKeeperAddrList[i], kNetDefaultClientPort);
Connect(gateKeeperAddrList[i], addr);
}
}
}
//============================================================================
void NetCliGateKeeperDisconnect () {
s_critsect.Enter();
{
while (CliGkConn * conn = s_conns.Head())
UnlinkAndAbandonConn_CS(conn);
s_active = nil;
}
s_critsect.Leave();
}
//============================================================================
void NetCliGateKeeperPingRequest (
unsigned pingTimeMs,
unsigned payloadBytes,
const void * payload,
FNetCliGateKeeperPingRequestCallback callback,
void * param
) {
PingRequestTrans * trans = new PingRequestTrans(
callback,
param,
pingTimeMs,
payloadBytes,
payload
);
NetTransSend(trans);
}
//============================================================================
void NetCliGateKeeperFileSrvIpAddressRequest (
FNetCliGateKeeperFileSrvIpAddressRequestCallback callback,
void * param,
bool isPatcher
) {
FileSrvIpAddressRequestTrans * trans = new FileSrvIpAddressRequestTrans(callback, param, isPatcher);
NetTransSend(trans);
}
//============================================================================
void NetCliGateKeeperAuthSrvIpAddressRequest (
FNetCliGateKeeperAuthSrvIpAddressRequestCallback callback,
void * param
) {
AuthSrvIpAddressRequestTrans * trans = new AuthSrvIpAddressRequestTrans(callback, param);
NetTransSend(trans);
}