int KHttp::getHttpFileMemory(const KData& server, const KData& httpfile,
char** ppKData)
{
char* pKData = NULL;
KData httpRequest = "GET ";
httpRequest += httpfile;
httpRequest += " HTTP/1.1";
httpRequest += CRLF;
httpRequest += "Host: ";
httpRequest += server;
httpRequest += CRLF;
httpRequest += CRLF;
unsigned char buff[MTU];
KTcpClientSocket clientSock(server, 80);
clientSock.connect();
KConnection &conn = clientSock.getConn();
string stringTmp = httpRequest.getData();
conn.writeData(stringTmp);
int iRead = 0;
bool bFound = false;
KData dtHead;
int iLength = 0;
int iWrite = 0;
int m_iStatusCode = 0;
bool bRun = true;
while ((iRead = conn.readn(buff, MTU)) > 0 && bRun)
{
if (!bFound)
{
for (int i = 0; i < iRead - 4; i++)
{
if (buff[i] == 0x0d && buff[i + 1] == 0x0a
&& buff[i + 2] == 0x0d && buff[i + 3] == 0x0a)
{
KData dtLine;
dtHead = KData((char*) buff, i + 4);
KData dtRequestLine, dtCode;
if (NOT_FOUND == dtHead.match(CRLF, &dtRequestLine, false))
{
return -1;
}
if (NOT_FOUND == dtRequestLine.match("HTTP/1.1", NULL, true)
&& NOT_FOUND
== dtRequestLine.match("HTTP/1.0", NULL,
true))
{
return -1;
}
if (NOT_FOUND == dtRequestLine.match(SP, NULL, true))
{
return -1;
}
if (NOT_FOUND == dtRequestLine.match(SP, &dtCode, true))
{
return -1;
}
if ((int) dtCode == 0 && (int) dtCode != 200)
{
return -1;
}
while (NOT_FOUND != dtHead.match(CRLF, &dtLine, true))
{
KData dtBefVal;
if (FOUND == dtLine.match(":", &dtBefVal, true))
{
dtBefVal.removeSpaces();
if (isEqualNoCase(dtBefVal, "Content-Length"))
{
dtLine.removeSpaces();
iLength = (int) dtLine;
}
}
else if (NOT_FOUND
!= dtLine.match("HTTP/1.1", NULL, true))
{
dtLine.removeSpaces();
dtLine.match(" ", &dtBefVal, true);
m_iStatusCode = (int) dtBefVal;
}
}
if (iLength <= 0)
{
return -1;
}
else if (m_iStatusCode != 200)
{
return -1;
}
else
{
pKData = new char[iLength];
}
memcpy(pKData, &buff[i + 4], iRead - i - 4);
iWrite += (iRead - i - 4);
bFound = true;
if (iLength > 0 && iWrite == iLength)
{
bRun = false;
break;
}
}
}
}
else
{
memcpy(&pKData[iWrite], buff, iRead);
iWrite += iRead;
if (iWrite == iLength)
{
break;
}
}
}
conn.close();
*ppKData = pKData;
return iWrite;
}
