607 lines
14 KiB
C++
607 lines
14 KiB
C++
#include <stdafx.h>
|
|
#include "JSSocketWorker.h"
|
|
#include "ScriptAPI.h"
|
|
|
|
CJSSocketWorker::CJSSocketWorker(CScriptInstance* inst, void* objectHeapPtr, bool bAllowHalfOpen) :
|
|
CScriptWorker(inst, objectHeapPtr),
|
|
m_Socket(INVALID_SOCKET),
|
|
m_bAllowHalfOpen(bAllowHalfOpen),
|
|
m_bWinsockOK(false)
|
|
{
|
|
WSADATA wsaData;
|
|
m_bWinsockOK = (WSAStartup(MAKEWORD(2, 2), &wsaData) == 0);
|
|
}
|
|
|
|
CJSSocketWorker::~CJSSocketWorker()
|
|
{
|
|
StopWorkerProc();
|
|
|
|
if (m_bWinsockOK)
|
|
{
|
|
WSACleanup();
|
|
}
|
|
}
|
|
|
|
bool CJSSocketWorker::Init(SOCKET sock)
|
|
{
|
|
if (!m_bWinsockOK)
|
|
{
|
|
JSEmitError("WSAStartup() error");
|
|
return false;
|
|
}
|
|
|
|
if (m_hThread != nullptr)
|
|
{
|
|
JSEmitError("invalid state - socket is already active");
|
|
return false;
|
|
}
|
|
|
|
m_Socket = sock;
|
|
|
|
UpdateAddresses();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CJSSocketWorker::Init(const char* host, unsigned short port)
|
|
{
|
|
if (!m_bWinsockOK)
|
|
{
|
|
JSEmitError("WSAStartup() error");
|
|
return false;
|
|
}
|
|
|
|
if (m_hThread != nullptr)
|
|
{
|
|
JSEmitError("invalid state - socket is already active");
|
|
return false;
|
|
}
|
|
|
|
m_Queue.connectHost = host;
|
|
m_Queue.connectPort = port;
|
|
m_Queue.bConnectPending = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CJSSocketWorker::Write(const char* data, size_t length, duk_int_t callbackId, bool bEnd)
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
|
|
if (m_Queue.bFullClosePending ||
|
|
m_Queue.bSendClosePending ||
|
|
m_Queue.bSendClosed)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(bEnd)
|
|
{
|
|
m_Queue.bSendClosePending = true;
|
|
}
|
|
|
|
BufferedWrite bufferedWrite;
|
|
bufferedWrite.offset = 0;
|
|
bufferedWrite.callbackId = callbackId;
|
|
|
|
if (length != 0)
|
|
{
|
|
bufferedWrite.data.resize(length);
|
|
memcpy(&bufferedWrite.data[0], data, length);
|
|
}
|
|
|
|
m_Queue.writes.push_back(bufferedWrite);
|
|
return true;
|
|
}
|
|
|
|
void CJSSocketWorker::WorkerProc()
|
|
{
|
|
TIMEVAL timeout;
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_usec = TIMEOUT_MS * 1000;
|
|
|
|
bool bHaveConnection = false;
|
|
bool bConnectPending = false;
|
|
bool bWritesPending = false;
|
|
bool bRecvClosed = false;
|
|
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
bConnectPending = m_Queue.bConnectPending;
|
|
}
|
|
|
|
if (!bConnectPending)
|
|
{
|
|
// assume it's already connected
|
|
bHaveConnection = true;
|
|
}
|
|
|
|
if (bConnectPending && ProcConnect())
|
|
{
|
|
bConnectPending = false;
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
if (StopRequested())
|
|
{
|
|
break;
|
|
}
|
|
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
bWritesPending = m_Queue.writes.size() > 0;
|
|
bRecvClosed = m_Queue.bRecvClosed;
|
|
|
|
if (m_Queue.bFullClosePending && !bWritesPending)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bRecvClosed && !bWritesPending)
|
|
{
|
|
// nothing to do
|
|
Sleep(TIMEOUT_MS);
|
|
continue;
|
|
}
|
|
|
|
int numFds;
|
|
fd_set readFds, writeFds;
|
|
fd_set* pWriteFds = nullptr;
|
|
fd_set* pReadFds = nullptr;
|
|
|
|
if (!bRecvClosed)
|
|
{
|
|
pReadFds = &readFds;
|
|
FD_ZERO(pReadFds);
|
|
FD_SET(m_Socket, pReadFds);
|
|
}
|
|
|
|
if (bWritesPending || !bHaveConnection)
|
|
{
|
|
pWriteFds = &writeFds;
|
|
FD_ZERO(pWriteFds);
|
|
FD_SET(m_Socket, pWriteFds);
|
|
}
|
|
|
|
numFds = select(0, pReadFds, pWriteFds, nullptr, &timeout);
|
|
if (numFds == SOCKET_ERROR)
|
|
{
|
|
JSEmitError("select() error");
|
|
break;
|
|
}
|
|
|
|
if (numFds == 0)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
bool bWritable = pWriteFds && FD_ISSET(m_Socket, pWriteFds);
|
|
bool bReadable = pReadFds && FD_ISSET(m_Socket, pReadFds);
|
|
|
|
if (bWritable && !m_Queue.bSendClosed)
|
|
{
|
|
if (!bHaveConnection)
|
|
{
|
|
bHaveConnection = true;
|
|
JSEmitConnect();
|
|
}
|
|
|
|
if (bWritesPending)
|
|
{
|
|
ProcSendData();
|
|
}
|
|
}
|
|
else if (bHaveConnection)
|
|
{
|
|
JSEmitError("connection reset");
|
|
break;
|
|
}
|
|
|
|
if (bReadable)
|
|
{
|
|
ProcRecvData();
|
|
}
|
|
}
|
|
|
|
closesocket(m_Socket);
|
|
JSEmitClose();
|
|
ClearAddress();
|
|
ClearQueue();
|
|
m_Socket = INVALID_SOCKET;
|
|
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr, ScriptAPI::js__UnrefObject);
|
|
}
|
|
|
|
bool CJSSocketWorker::ProcConnect()
|
|
{
|
|
stdstr strPort, strHost;
|
|
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
strPort = stdstr_f("%d", m_Queue.connectPort);
|
|
strHost = m_Queue.connectHost;
|
|
m_Queue.bConnectPending = false;
|
|
}
|
|
|
|
struct addrinfo hints, *result, *ptr;
|
|
ZeroMemory(&hints, sizeof(hints));
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
|
|
int rc;
|
|
rc = getaddrinfo(m_Queue.connectHost.c_str(), strPort.c_str(), &hints, &result);
|
|
|
|
if (rc != 0)
|
|
{
|
|
JSEmitError("getaddrinfo() error");
|
|
JSEmitLookup(m_RemoteAddress); // port=0, err
|
|
freeaddrinfo(result);
|
|
return false;
|
|
}
|
|
|
|
for (ptr = result; ptr != nullptr; ptr = ptr->ai_next)
|
|
{
|
|
m_Socket = socket(ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol);
|
|
if (m_Socket == INVALID_SOCKET)
|
|
{
|
|
JSEmitError("socket() error");
|
|
freeaddrinfo(result);
|
|
return false;
|
|
}
|
|
|
|
rc = connect(m_Socket, ptr->ai_addr, (int)ptr->ai_addrlen);
|
|
|
|
if (rc != SOCKET_ERROR)
|
|
{
|
|
ULONG nonBlock = 1;
|
|
rc = ioctlsocket(m_Socket, FIONBIO, &nonBlock);
|
|
if (rc == SOCKET_ERROR)
|
|
{
|
|
JSEmitError("ioctlsocket() FIONBIO error");
|
|
closesocket(m_Socket);
|
|
freeaddrinfo(result);
|
|
return false;
|
|
}
|
|
|
|
UpdateAddresses();
|
|
JSEmitLookup(m_RemoteAddress);
|
|
freeaddrinfo(result);
|
|
return true;
|
|
}
|
|
|
|
closesocket(m_Socket);
|
|
m_Socket = INVALID_SOCKET;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CJSSocketWorker::ProcSendData()
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
BufferedWrite& bufferedWrite = m_Queue.writes.front();
|
|
|
|
int avail = bufferedWrite.data.size() - bufferedWrite.offset;
|
|
int numBytesSent = send(m_Socket, &bufferedWrite.data[bufferedWrite.offset], avail, 0);
|
|
|
|
if (numBytesSent >= 0)
|
|
{
|
|
bufferedWrite.offset += numBytesSent;
|
|
if (bufferedWrite.offset == bufferedWrite.data.size())
|
|
{
|
|
if (bufferedWrite.callbackId != -1)
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr, ScriptAPI::js_Socket__invokeWriteCallback,
|
|
CbArgs_Write, &bufferedWrite.callbackId, sizeof(bufferedWrite.callbackId));
|
|
}
|
|
m_Queue.writes.erase(m_Queue.writes.begin());
|
|
}
|
|
|
|
if (m_Queue.writes.size() == 0)
|
|
{
|
|
JSEmitDrain();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
JSEmitError("send() error");
|
|
}
|
|
|
|
if (m_Queue.writes.size() == 0 &&
|
|
m_Queue.bSendClosePending)
|
|
{
|
|
shutdown(m_Socket, SD_SEND);
|
|
m_Queue.bSendClosePending = false;
|
|
m_Queue.bSendClosed = true;
|
|
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr, ScriptAPI::js_Socket__invokeWriteEndCallbacks);
|
|
}
|
|
}
|
|
|
|
void CJSSocketWorker::ProcRecvData()
|
|
{
|
|
char recvBuffer[8192];
|
|
int numBytesReceived = recv(m_Socket, recvBuffer, sizeof(recvBuffer), 0);
|
|
|
|
if (numBytesReceived > 0)
|
|
{
|
|
JSEmitData(recvBuffer, numBytesReceived);
|
|
}
|
|
else if (numBytesReceived == 0)
|
|
{
|
|
JSEmitEnd();
|
|
|
|
CGuard guard(m_Queue.cs);
|
|
if (!m_bAllowHalfOpen)
|
|
{
|
|
m_Queue.bFullClosePending = true;
|
|
}
|
|
m_Queue.bRecvClosed = true;
|
|
}
|
|
else
|
|
{
|
|
JSEmitError("recv() error");
|
|
}
|
|
}
|
|
|
|
void CJSSocketWorker::UpdateAddresses()
|
|
{
|
|
CGuard guard(m_CS);
|
|
|
|
WSAPROTOCOL_INFO protocolInfo;
|
|
int protocolInfoSize = sizeof(protocolInfo);
|
|
|
|
if (getsockopt(m_Socket, SOL_SOCKET, SO_PROTOCOL_INFO, (char*)&protocolInfo, &protocolInfoSize) != 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
int& family = protocolInfo.iAddressFamily;
|
|
sockaddr* pLocalAddr = nullptr;
|
|
sockaddr* pRemoteAddr = nullptr;
|
|
|
|
union {
|
|
sockaddr_in ipv4;
|
|
sockaddr_in6 ipv6;
|
|
} localAddr;
|
|
|
|
union {
|
|
sockaddr_in ipv4;
|
|
sockaddr_in6 ipv6;
|
|
} remoteAddr;
|
|
|
|
int addrSize = 0;
|
|
|
|
if (family == AF_INET)
|
|
{
|
|
pLocalAddr = (sockaddr*)&localAddr.ipv4;
|
|
pRemoteAddr = (sockaddr*)&remoteAddr.ipv4;
|
|
addrSize = sizeof(sockaddr_in);
|
|
}
|
|
else if (family == AF_INET6)
|
|
{
|
|
pLocalAddr = (sockaddr*)&localAddr.ipv6;
|
|
pRemoteAddr = (sockaddr*)&remoteAddr.ipv6;
|
|
addrSize = sizeof(sockaddr_in6);
|
|
}
|
|
else
|
|
{
|
|
g_Notify->BreakPoint(__FILE__, __LINE__);
|
|
return;
|
|
}
|
|
|
|
getsockname(m_Socket, pLocalAddr, &addrSize);
|
|
getpeername(m_Socket, pRemoteAddr, &addrSize);
|
|
|
|
getnameinfo(pLocalAddr, addrSize,
|
|
m_LocalAddress.address, sizeof(m_LocalAddress.address),
|
|
0, 0, NI_NUMERICHOST);
|
|
|
|
getnameinfo(pRemoteAddr, addrSize,
|
|
m_RemoteAddress.address, sizeof(m_RemoteAddress.address),
|
|
0, 0, NI_NUMERICHOST);
|
|
|
|
if (family == AF_INET)
|
|
{
|
|
m_LocalAddress.port = ntohs(localAddr.ipv4.sin_port);
|
|
m_LocalAddress.family = "IPv4";
|
|
|
|
m_RemoteAddress.port = ntohs(remoteAddr.ipv4.sin_port);
|
|
m_RemoteAddress.family = "IPv4";
|
|
}
|
|
else
|
|
{
|
|
m_LocalAddress.port = ntohs(localAddr.ipv6.sin6_port);
|
|
m_LocalAddress.family = "IPv6";
|
|
|
|
m_RemoteAddress.port = ntohs(remoteAddr.ipv6.sin6_port);
|
|
m_RemoteAddress.family = "IPv6";
|
|
}
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitConnect()
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitConnect);
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitData(const char* data, size_t size)
|
|
{
|
|
JSEmitDataEnv env;
|
|
env.data = new char[size];
|
|
env.size = size;
|
|
|
|
memcpy(env.data, data, size);
|
|
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitData, (void*)&env, sizeof(env));
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitEnd()
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitEnd);
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitClose()
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitClose);
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitDrain()
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitDrain);
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitLookup(JSSocketAddrInfo& addr)
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitLookup, (void*)&addr, sizeof(addr));
|
|
}
|
|
|
|
void CJSSocketWorker::JSEmitError(const char* errMessage)
|
|
{
|
|
m_Instance->PostCMethodCall(m_DukObjectHeapPtr,
|
|
ScriptAPI::js__Emitter_emit, CbArgs_EmitError, (void*)errMessage, strlen(errMessage) + 1);
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitConnect(duk_context* ctx, void* /*_env*/)
|
|
{
|
|
duk_push_string(ctx, "connect");
|
|
return 1;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitData(duk_context* ctx, void* _env)
|
|
{
|
|
JSEmitDataEnv* env = (JSEmitDataEnv*)_env;
|
|
duk_push_string(ctx, "data");
|
|
char* buffer = (char*)duk_push_fixed_buffer(ctx, env->size);
|
|
memcpy(buffer, env->data, env->size);
|
|
|
|
delete[] env->data;
|
|
|
|
duk_push_buffer_object(ctx, -1, 0, env->size, DUK_BUFOBJ_NODEJS_BUFFER);
|
|
duk_remove(ctx, -2);
|
|
return 2;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitEnd(duk_context* ctx, void* /*_env*/)
|
|
{
|
|
duk_push_string(ctx, "end");
|
|
return 1;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitClose(duk_context* ctx, void* /*_env*/)
|
|
{
|
|
duk_push_string(ctx, "close");
|
|
return 1;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitDrain(duk_context* ctx, void* /*_env*/)
|
|
{
|
|
duk_push_string(ctx, "drain");
|
|
return 1;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitLookup(duk_context* ctx, void* _env)
|
|
{
|
|
JSSocketAddrInfo* addr = (JSSocketAddrInfo*)_env;
|
|
|
|
duk_push_string(ctx, "lookup");
|
|
duk_push_object(ctx);
|
|
|
|
if (addr->port != 0)
|
|
{
|
|
duk_push_null(ctx);
|
|
}
|
|
else
|
|
{
|
|
duk_push_error_object(ctx, DUK_ERR_ERROR, "dns lookup error");
|
|
}
|
|
|
|
duk_put_prop_string(ctx, -2, "err");
|
|
duk_push_string(ctx, addr->address);
|
|
duk_put_prop_string(ctx, -2, "address");
|
|
duk_push_uint(ctx, addr->port);
|
|
duk_put_prop_string(ctx, -2, "port");
|
|
duk_push_string(ctx, addr->family);
|
|
duk_put_prop_string(ctx, -2, "family");
|
|
return 2;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_EmitError(duk_context* ctx, void* _env)
|
|
{
|
|
const char* errMessage = (const char*)_env;
|
|
duk_push_string(ctx, "error");
|
|
duk_push_error_object(ctx, DUK_ERR_ERROR, errMessage);
|
|
return 2;
|
|
}
|
|
|
|
duk_idx_t CJSSocketWorker::CbArgs_Write(duk_context* ctx, void* _env)
|
|
{
|
|
duk_int_t callbackId = *(duk_int_t*)_env;
|
|
duk_push_int(ctx, callbackId);
|
|
return 1;
|
|
}
|
|
|
|
std::string CJSSocketWorker::GetLocalAddress()
|
|
{
|
|
CGuard guard(m_CS);
|
|
return m_LocalAddress.address;
|
|
}
|
|
|
|
unsigned short CJSSocketWorker::GetLocalPort()
|
|
{
|
|
CGuard guard(m_CS);
|
|
return m_LocalAddress.port;
|
|
}
|
|
|
|
std::string CJSSocketWorker::GetRemoteAddress()
|
|
{
|
|
CGuard guard(m_CS);
|
|
return m_RemoteAddress.address;
|
|
}
|
|
|
|
unsigned short CJSSocketWorker::GetRemotePort()
|
|
{
|
|
CGuard guard(m_CS);
|
|
return m_RemoteAddress.port;
|
|
}
|
|
|
|
const char* CJSSocketWorker::GetFamily()
|
|
{
|
|
CGuard guard(m_CS);
|
|
return m_LocalAddress.family;
|
|
}
|
|
|
|
void CJSSocketWorker::ClearAddress()
|
|
{
|
|
CGuard guard(m_CS);
|
|
|
|
m_LocalAddress.port = 0;
|
|
memset(m_LocalAddress.address, 0, sizeof(m_LocalAddress.address));
|
|
m_LocalAddress.family = "";
|
|
|
|
m_RemoteAddress.port = 0;
|
|
memset(m_RemoteAddress.address, 0, sizeof(m_RemoteAddress.address));
|
|
m_RemoteAddress.family = "";
|
|
}
|
|
|
|
void CJSSocketWorker::ClearQueue()
|
|
{
|
|
CGuard guard(m_Queue.cs);
|
|
|
|
m_Queue.bSendClosePending = false;
|
|
m_Queue.bSendClosed = false;
|
|
m_Queue.bFullClosePending = false;
|
|
m_Queue.bConnectPending = false;
|
|
m_Queue.connectHost = "";
|
|
m_Queue.connectPort = 0;
|
|
m_Queue.writes.clear();
|
|
}
|