LINEDEVCAPS *tapi_getdevcaps(uint dev)
{
LINEDEVCAPS *pcaps=NULL;
LONG retval, size;
DWORD apiver;
size = sizeof(LINEDEVCAPS) + 256;
while (1)
{
LINEEXTENSIONID extid;
retval = lineNegotiateAPIVersion(TapiObj.hObj,
dev, TAPI_VERSION, TAPI_VERSION,
&apiver, &extid);
if (retval != 0)
return NULL;
pcaps = (LINEDEVCAPS *)realloc(pcaps, size);
if (!pcaps) return NULL;
memset(pcaps, 0, size);
pcaps->dwTotalSize = size;
retval = lineGetDevCaps(TapiObj.hObj, dev,
apiver, 0,
pcaps);
if (retval!=0) {
free(pcaps);
return NULL;
}
if (pcaps->dwNeededSize > pcaps->dwTotalSize) {
size = pcaps->dwNeededSize;
continue;
}
else break;
}
return pcaps;
}
JNIEXPORT jint JNICALL Java_net_xtapi_serviceProvider_MSTAPI_openLine
(JNIEnv *pEnv, jobject oObj, jint lLine, jobject oTerminalName)
{
long lRc;
DWORD lNegVer;
char szDebug[256];
long lUnused = 0;
long sizeBuffer;
HLINE hLine;
LINEEXTENSIONID lpExtensionID;
LPLINEDEVCAPS lpLineDevCaps = NULL;
lRc = lineNegotiateAPIVersion(g_hTAPI, lLine, TAPIVERSION,
TAPIVERSION, &lNegVer, &lpExtensionID);
if(TAPIVERSION == lNegVer)
{
wsprintf(szDebug,"Negotiated TAPI 1.4 on line %d.",lLine);
debugString(8,"openLine",szDebug,_where());
}
else
{
wsprintf(szDebug,"Failed to Negotiate TAPI 1.4 on line %d.",lLine);
debugString(4,"openLine",szDebug,_where());
return -1;
}
lRc = lineOpen(g_hTAPI, lLine, &hLine, lNegVer, lUnused, lLine,
LINECALLPRIVILEGE_OWNER, LINEMEDIAMODE_AUTOMATEDVOICE, 0);
wsprintf(szDebug,"lineOpen on line %d returned with %d",lLine, lRc);
if(lRc < 0)
{
debugString(4,"openLine",szDebug,_where());
return lRc;
}
else
debugString(8,"openLine",szDebug,_where());
sizeBuffer = sizeof(lpLineDevCaps) + 1024;
lpLineDevCaps = (LINEDEVCAPS *) malloc(sizeBuffer);
memset(lpLineDevCaps, 0, sizeBuffer);
lpLineDevCaps->dwTotalSize = sizeBuffer;
lRc = lineGetDevCaps(g_hTAPI, lLine, lNegVer, 0, lpLineDevCaps);
wsprintf(szDebug,"lineGetDevCaps returned -> %d",lRc);
debugString(8,"openLine",szDebug,_where());
if(0 == lRc)
{
if(lpLineDevCaps->dwLineNameSize > 0)
{
// lpLineDevCaps holds the name of the terminal, push that name up
// to Java.
long lpName = (long)lpLineDevCaps + lpLineDevCaps->dwLineNameOffset;
jstring oName = pEnv->NewStringUTF((const char *)lpName);
jclass cls;
jmethodID mid;
cls = pEnv->GetObjectClass (oTerminalName);
mid = pEnv->GetMethodID(cls,"append",
"(Ljava/lang/String;)Ljava/lang/StringBuffer;");
pEnv->CallObjectMethod (oTerminalName, mid, oName);
}
lRc = lineSetStatusMessages(hLine,lpLineDevCaps->dwLineStates,0);
if(lRc != 0)
{
debugString(4,"openLine","lineSetStatusMessages failed",_where());
hLine = (HLINE)-1;
}
}
free(lpLineDevCaps);
return (long)hLine;
}