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/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2006 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "commonheaders.h"
#include "netlib.h"
extern CRITICAL_SECTION csNetlibCloseHandle;
extern HANDLE hConnectionHeaderMutex;
int NetlibSend(WPARAM wParam,LPARAM lParam)
{
struct NetlibConnection *nlc=(struct NetlibConnection*)wParam;
NETLIBBUFFER *nlb=(NETLIBBUFFER*)lParam;
int result;
if(nlb==NULL) {
SetLastError(ERROR_INVALID_PARAMETER);
return SOCKET_ERROR;
}
if(!NetlibEnterNestedCS(nlc,NLNCS_SEND)) return SOCKET_ERROR;
if(nlc->usingHttpGateway && !(nlb->flags&MSG_RAW)) {
if(!(nlb->flags&MSG_NOHTTPGATEWAYWRAP) && nlc->nlu->user.pfnHttpGatewayWrapSend) {
NetlibDumpData(nlc,nlb->buf,nlb->len,1,nlb->flags);
result=nlc->nlu->user.pfnHttpGatewayWrapSend((HANDLE)nlc,nlb->buf,nlb->len,nlb->flags|MSG_NOHTTPGATEWAYWRAP,NetlibSend);
}
else result=NetlibHttpGatewayPost(nlc,nlb->buf,nlb->len,nlb->flags);
}
else {
NetlibDumpData(nlc,nlb->buf,nlb->len,1,nlb->flags);
result=send(nlc->s,nlb->buf,nlb->len,nlb->flags&0xFFFF);
}
NetlibLeaveNestedCS(&nlc->ncsSend);
return result;
}
int NetlibRecv(WPARAM wParam,LPARAM lParam)
{
struct NetlibConnection *nlc=(struct NetlibConnection*)wParam;
NETLIBBUFFER *nlb=(NETLIBBUFFER*)lParam;
int recvResult;
if(nlb==NULL) {
SetLastError(ERROR_INVALID_PARAMETER);
return SOCKET_ERROR;
}
if(!NetlibEnterNestedCS(nlc,NLNCS_RECV)) return SOCKET_ERROR;
if(nlc->usingHttpGateway && !(nlb->flags&MSG_RAW))
recvResult=NetlibHttpGatewayRecv(nlc,nlb->buf,nlb->len,nlb->flags);
else
recvResult=recv(nlc->s,nlb->buf,nlb->len,nlb->flags&0xFFFF);
NetlibLeaveNestedCS(&nlc->ncsRecv);
if(recvResult<=0) return recvResult;
NetlibDumpData(nlc,nlb->buf,recvResult,0,nlb->flags);
return recvResult;
}
static int ConnectionListToSocketList(HANDLE *hConns,fd_set *fd)
{
struct NetlibConnection *nlcCheck;
int i;
FD_ZERO(fd);
for(i=0;hConns[i] && hConns[i]!=INVALID_HANDLE_VALUE && i<FD_SETSIZE;i++) {
nlcCheck=(struct NetlibConnection*)hConns[i];
if(nlcCheck->handleType!=NLH_CONNECTION && nlcCheck->handleType!=NLH_BOUNDPORT) {
SetLastError(ERROR_INVALID_DATA);
return 0;
}
FD_SET(nlcCheck->s,fd);
}
return 1;
}
int NetlibSelect(WPARAM wParam,LPARAM lParam)
{
NETLIBSELECT *nls=(NETLIBSELECT*)lParam;
fd_set readfd,writefd,exceptfd;
TIMEVAL tv;
if(nls==NULL || nls->cbSize!=sizeof(NETLIBSELECT)) {
SetLastError(ERROR_INVALID_PARAMETER);
return SOCKET_ERROR;
}
tv.tv_sec=nls->dwTimeout/1000;
tv.tv_usec=(nls->dwTimeout%1000)*1000;
WaitForSingleObject(hConnectionHeaderMutex,INFINITE);
if(!ConnectionListToSocketList(nls->hReadConns,&readfd)
|| !ConnectionListToSocketList(nls->hWriteConns,&writefd)
|| !ConnectionListToSocketList(nls->hExceptConns,&exceptfd)) {
ReleaseMutex(hConnectionHeaderMutex);
return SOCKET_ERROR;
}
ReleaseMutex(hConnectionHeaderMutex);
return select(0,&readfd,&writefd,&exceptfd,nls->dwTimeout==INFINITE?NULL:&tv);
}
int NetlibSelectEx(WPARAM wParam,LPARAM lParam)
{
NETLIBSELECTEX *nls=(NETLIBSELECTEX*)lParam;
fd_set readfd,writefd,exceptfd;
TIMEVAL tv;
int rc=SOCKET_ERROR;
int j;
struct NetlibConnection *conn=NULL;
if(nls==NULL || nls->cbSize!=sizeof(NETLIBSELECTEX)) {
SetLastError(ERROR_INVALID_PARAMETER);
return SOCKET_ERROR;
}
tv.tv_sec=nls->dwTimeout/1000;
tv.tv_usec=(nls->dwTimeout%1000)*1000;
WaitForSingleObject(hConnectionHeaderMutex,INFINITE);
if(!ConnectionListToSocketList(nls->hReadConns,&readfd)
|| !ConnectionListToSocketList(nls->hWriteConns,&writefd)
|| !ConnectionListToSocketList(nls->hExceptConns,&exceptfd)) {
ReleaseMutex(hConnectionHeaderMutex);
return SOCKET_ERROR;
}
ReleaseMutex(hConnectionHeaderMutex);
rc=select(0,&readfd,&writefd,&exceptfd,nls->dwTimeout==INFINITE?NULL:&tv);
WaitForSingleObject(hConnectionHeaderMutex,INFINITE);
/* go thru each passed HCONN array and grab its socket handle, then give it to FD_ISSET()
to see if an event happened for that socket, if it has it will be returned as TRUE (otherwise not)
This happens for read/write/except */
for (j=0; j<FD_SETSIZE; j++) {
conn=(struct NetlibConnection*)nls->hReadConns[j];
if (conn==NULL || conn==INVALID_HANDLE_VALUE) break;
if (conn->usingHttpGateway && conn->nlhpi.szHttpGetUrl == NULL && conn->dataBuffer == NULL)
nls->hReadStatus[j] = (conn->pHttpProxyPacketQueue != NULL);
else
nls->hReadStatus[j] = FD_ISSET(conn->s,&readfd);
}
for (j=0; j<FD_SETSIZE; j++) {
conn=(struct NetlibConnection*)nls->hWriteConns[j];
if (conn==NULL || conn==INVALID_HANDLE_VALUE) break;
nls->hWriteStatus[j] = FD_ISSET(conn->s,&writefd);
}
for (j=0; j<FD_SETSIZE; j++) {
conn=(struct NetlibConnection*)nls->hExceptConns[j];
if (conn==NULL || conn==INVALID_HANDLE_VALUE) break;
nls->hExceptStatus[j] = FD_ISSET(conn->s,&exceptfd);
}
ReleaseMutex(hConnectionHeaderMutex);
return rc;
}
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