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388 lines
11 KiB
C
388 lines
11 KiB
C
/*
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* Internet Messaging Transport Base Class
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*
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* Copyright 2006 Robert Shearman for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "ws2tcpip.h"
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#include "windef.h"
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#include "winnt.h"
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#include "objbase.h"
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#include "ole2.h"
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#include "mimeole.h"
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#include <stdio.h>
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#include "wine/debug.h"
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#include "inetcomm_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(inetcomm);
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static const WCHAR wszClassName[] = {'T','h','o','r','C','o','n','n','W','n','d','C','l','a','s','s',0};
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#define IX_READ (WM_USER + 0)
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#define IX_READLINE (WM_USER + 1)
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#define IX_WRITE (WM_USER + 2)
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HRESULT InternetTransport_Init(InternetTransport *This)
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{
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This->pCallback = NULL;
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This->Status = IXP_DISCONNECTED;
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This->Socket = -1;
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This->fCommandLogging = FALSE;
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This->fnCompletion = NULL;
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return S_OK;
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}
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HRESULT InternetTransport_GetServerInfo(InternetTransport *This, LPINETSERVER pInetServer)
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{
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if (This->Status == IXP_DISCONNECTED)
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return IXP_E_NOT_CONNECTED;
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*pInetServer = This->ServerInfo;
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return S_OK;
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}
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HRESULT InternetTransport_InetServerFromAccount(InternetTransport *This,
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IImnAccount *pAccount, LPINETSERVER pInetServer)
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{
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FIXME("(%p, %p): stub\n", pAccount, pInetServer);
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return E_NOTIMPL;
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}
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HRESULT InternetTransport_Connect(InternetTransport *This,
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LPINETSERVER pInetServer, boolean fAuthenticate, boolean fCommandLogging)
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{
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struct addrinfo *ai;
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struct addrinfo *ai_cur;
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struct addrinfo hints;
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int ret;
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char szPort[10];
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if (This->Status != IXP_DISCONNECTED)
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return IXP_E_ALREADY_CONNECTED;
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This->ServerInfo = *pInetServer;
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This->fCommandLogging = fCommandLogging;
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This->hwnd = CreateWindowW(wszClassName, wszClassName, 0, 0, 0, 0, 0, NULL, NULL, NULL, 0);
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if (!This->hwnd)
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return HRESULT_FROM_WIN32(GetLastError());
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SetWindowLongPtrW(This->hwnd, GWLP_USERDATA, (LONG_PTR)This);
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hints.ai_flags = 0;
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hints.ai_family = PF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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hints.ai_addrlen = 0;
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hints.ai_addr = NULL;
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hints.ai_canonname = NULL;
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hints.ai_next = NULL;
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snprintf(szPort, sizeof(szPort), "%d", (unsigned short)pInetServer->dwPort);
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InternetTransport_ChangeStatus(This, IXP_FINDINGHOST);
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ret = getaddrinfo(pInetServer->szServerName, szPort, &hints, &ai);
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if (ret)
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{
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ERR("getaddrinfo failed: %d\n", ret);
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return IXP_E_CANT_FIND_HOST;
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}
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for (ai_cur = ai; ai_cur; ai_cur = ai->ai_next)
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{
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int so;
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if (TRACE_ON(inetcomm))
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{
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char host[256];
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char service[256];
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getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
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host, sizeof(host), service, sizeof(service),
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NI_NUMERICHOST | NI_NUMERICSERV);
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TRACE("trying %s:%s\n", host, service);
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}
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InternetTransport_ChangeStatus(This, IXP_CONNECTING);
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so = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
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if (so == -1)
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{
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WARN("socket() failed\n");
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continue;
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}
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This->Socket = so;
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/* FIXME: set to async */
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if (0 > connect(This->Socket, ai_cur->ai_addr, ai_cur->ai_addrlen))
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{
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WARN("connect() failed\n");
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closesocket(This->Socket);
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continue;
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}
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InternetTransport_ChangeStatus(This, IXP_CONNECTED);
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/* FIXME: call WSAAsyncSelect */
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freeaddrinfo(ai);
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TRACE("connected\n");
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return S_OK;
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}
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freeaddrinfo(ai);
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return IXP_E_CANT_FIND_HOST;
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}
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HRESULT InternetTransport_HandsOffCallback(InternetTransport *This)
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{
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if (!This->pCallback)
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return S_FALSE;
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ITransportCallback_Release(This->pCallback);
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This->pCallback = NULL;
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return S_OK;
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}
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HRESULT InternetTransport_DropConnection(InternetTransport *This)
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{
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if (This->Status == IXP_DISCONNECTED)
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return IXP_E_NOT_CONNECTED;
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shutdown(This->Socket, SD_BOTH);
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closesocket(This->Socket);
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DestroyWindow(This->hwnd);
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This->hwnd = NULL;
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InternetTransport_ChangeStatus(This, IXP_DISCONNECTED);
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return S_OK;
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}
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HRESULT InternetTransport_GetStatus(InternetTransport *This,
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IXPSTATUS *pCurrentStatus)
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{
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*pCurrentStatus = This->Status;
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return S_OK;
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}
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HRESULT InternetTransport_ChangeStatus(InternetTransport *This, IXPSTATUS Status)
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{
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This->Status = Status;
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if (This->pCallback)
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ITransportCallback_OnStatus(This->pCallback, Status,
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(IInternetTransport *)&This->u.vtbl);
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return S_OK;
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}
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HRESULT InternetTransport_ReadLine(InternetTransport *This,
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INETXPORT_COMPLETION_FUNCTION fnCompletion)
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{
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if (This->Status == IXP_DISCONNECTED)
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return IXP_E_NOT_CONNECTED;
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if (This->fnCompletion)
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return IXP_E_BUSY;
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This->fnCompletion = fnCompletion;
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This->cbBuffer = 1024;
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This->pBuffer = HeapAlloc(GetProcessHeap(), 0, This->cbBuffer);
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This->iCurrentBufferOffset = 0;
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if (WSAAsyncSelect(This->Socket, This->hwnd, IX_READLINE, FD_READ) == SOCKET_ERROR)
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{
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ERR("WSAAsyncSelect failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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}
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return S_OK;
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}
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HRESULT InternetTransport_Write(InternetTransport *This, const char *pvData,
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int cbSize, INETXPORT_COMPLETION_FUNCTION fnCompletion)
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{
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int ret;
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if (This->Status == IXP_DISCONNECTED)
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return IXP_E_NOT_CONNECTED;
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if (This->fnCompletion)
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return IXP_E_BUSY;
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/* FIXME: do this asynchronously */
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ret = send(This->Socket, pvData, cbSize, 0);
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if (ret == SOCKET_ERROR)
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{
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ERR("send failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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}
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fnCompletion((IInternetTransport *)&This->u.vtbl, NULL, 0);
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return S_OK;
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}
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HRESULT InternetTransport_DoCommand(InternetTransport *This,
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LPCSTR pszCommand, INETXPORT_COMPLETION_FUNCTION fnCompletion)
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{
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if (This->Status == IXP_DISCONNECTED)
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return IXP_E_NOT_CONNECTED;
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if (This->fnCompletion)
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return IXP_E_BUSY;
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if (This->pCallback && This->fCommandLogging)
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{
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ITransportCallback_OnCommand(This->pCallback, CMD_SEND, (LPSTR)pszCommand, 0,
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(IInternetTransport *)&This->u.vtbl);
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}
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return InternetTransport_Write(This, pszCommand, strlen(pszCommand), fnCompletion);
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}
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static LRESULT CALLBACK InternetTransport_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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if (uMsg == IX_READ)
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{
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InternetTransport *This = (InternetTransport *)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
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/* no work to do */
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if (!This->fnCompletion)
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return 0;
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while (This->iCurrentBufferOffset < This->cbBuffer)
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{
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if (recv(This->Socket, &This->pBuffer[This->iCurrentBufferOffset], 1, 0) <= 0)
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{
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if (WSAGetLastError() == WSAEWOULDBLOCK)
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break;
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ERR("recv failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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}
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This->iCurrentBufferOffset++;
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}
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if (This->iCurrentBufferOffset == This->cbBuffer)
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{
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INETXPORT_COMPLETION_FUNCTION fnCompletion = This->fnCompletion;
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char *pBuffer;
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This->fnCompletion = NULL;
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pBuffer = This->pBuffer;
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This->pBuffer = NULL;
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fnCompletion((IInternetTransport *)&This->u.vtbl, pBuffer,
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This->iCurrentBufferOffset);
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HeapFree(GetProcessHeap(), 0, pBuffer);
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return 0;
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}
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if (WSAAsyncSelect(This->Socket, hwnd, uMsg, FD_READ) == SOCKET_ERROR)
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{
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ERR("WSAAsyncSelect failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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}
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return 0;
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}
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else if (uMsg == IX_READLINE)
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{
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InternetTransport *This = (InternetTransport *)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
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/* no work to do */
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if (!This->fnCompletion)
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return 0;
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while (This->iCurrentBufferOffset < This->cbBuffer - 1)
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{
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fd_set infd;
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if (recv(This->Socket, &This->pBuffer[This->iCurrentBufferOffset], 1, 0) <= 0)
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{
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if (WSAGetLastError() == WSAEWOULDBLOCK)
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break;
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ERR("recv failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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return 0;
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}
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if (This->pBuffer[This->iCurrentBufferOffset] == '\n')
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{
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INETXPORT_COMPLETION_FUNCTION fnCompletion = This->fnCompletion;
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char *pBuffer;
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This->fnCompletion = NULL;
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This->pBuffer[This->iCurrentBufferOffset++] = '\0';
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pBuffer = This->pBuffer;
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This->pBuffer = NULL;
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fnCompletion((IInternetTransport *)&This->u.vtbl, pBuffer,
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This->iCurrentBufferOffset);
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HeapFree(GetProcessHeap(), 0, pBuffer);
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return 0;
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}
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if (This->pBuffer[This->iCurrentBufferOffset] != '\r')
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This->iCurrentBufferOffset++;
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FD_ZERO(&infd);
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FD_SET(This->Socket, &infd);
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}
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if (This->iCurrentBufferOffset == This->cbBuffer - 1)
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return 0;
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if (WSAAsyncSelect(This->Socket, hwnd, uMsg, FD_READ) == SOCKET_ERROR)
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{
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ERR("WSAAsyncSelect failed with error %d\n", WSAGetLastError());
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/* FIXME: handle error */
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}
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return 0;
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}
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else
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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BOOL InternetTransport_RegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSW cls;
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WSADATA wsadata;
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if (WSAStartup(MAKEWORD(2, 2), &wsadata))
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return FALSE;
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memset(&cls, 0, sizeof(cls));
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cls.hInstance = hInstance;
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cls.lpfnWndProc = InternetTransport_WndProc;
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cls.lpszClassName = wszClassName;
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return RegisterClassW(&cls);
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}
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void InternetTransport_UnregisterClass(HINSTANCE hInstance)
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{
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UnregisterClassW(wszClassName, hInstance);
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WSACleanup();
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}
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