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/*
* File: contentdirectory.cpp
* Author: savop
*
* Created on 21. August 2009, 16:12
*/
#include <upnp/ixml.h>
#include <upnp/upnptools.h>
#include "contentdirectory.h"
#include "../common.h"
#include "../misc/util.h"
cContentDirectory::cContentDirectory(UpnpDevice_Handle DeviceHandle, cMediaDatabase* MediaDatabase)
: cUpnpService(DeviceHandle) {
this->mMediaDatabase = MediaDatabase;
}
cContentDirectory::~cContentDirectory() {}
int cContentDirectory::subscribe(Upnp_Subscription_Request* Request){
IXML_Document* PropertySet = NULL;
/* The system update ID */
UpnpAddToPropertySet(&PropertySet, "SystemUpdateID", itoa(this->mMediaDatabase->getSystemUpdateID()));
/* The container update IDs as CSV list */
UpnpAddToPropertySet(&PropertySet, "ContainerUpdateIDs", this->mMediaDatabase->getContainerUpdateIDs());
/* The transfer IDs, which are not supported, i.e. empty */
UpnpAddToPropertySet(&PropertySet, "TransferIDs", "");
// Accept subscription
int ret = UpnpAcceptSubscriptionExt(this->mDeviceHandle, Request->UDN, Request->ServiceId, PropertySet, Request->Sid);
if(ret != UPNP_E_SUCCESS){
ERROR("Subscription failed (Error code: %d)", ret);
}
ixmlDocument_free(PropertySet);
return ret;
}
void cContentDirectory::Action(){
static int Retry = 5;
MESSAGE(VERBOSE_CDS, "Start Content directory thread");
while(this->Running()){
IXML_Document* PropertySet = NULL;
UpnpAddToPropertySet(&PropertySet, "SystemUpdateID", itoa(this->mMediaDatabase->getSystemUpdateID()));
int ret = UpnpNotifyExt(this->mDeviceHandle, UPNP_DEVICE_UDN, UPNP_CMS_SERVICE_ID, PropertySet);
ixmlDocument_free(PropertySet);
if(ret != UPNP_E_SUCCESS){
Retry--;
ERROR("State change notification failed (Error code: %d)",ret);
ERROR("%d of %d notifications failed", (5-Retry), 5);
}
else {
Retry = 5;
}
if (!Retry){
ERROR("Maximum retries of notifications reached. Stopping...");
this->Cancel();
}
// Sleep 2 seconds
cCondWait::SleepMs(2000);
}
}
int cContentDirectory::execute(Upnp_Action_Request* Request){
if (Request == NULL) {
ERROR("CMS Action Handler - request is null");
return UPNP_E_BAD_REQUEST;
}
if(!strcmp(Request->ActionName, UPNP_CDS_ACTION_BROWSE))
return this->browse(Request);
if(!strcmp(Request->ActionName, UPNP_CDS_ACTION_SEARCHCAPABILITIES))
return this->getSearchCapabilities(Request);
if(!strcmp(Request->ActionName, UPNP_CDS_ACTION_SORTCAPABILITIES))
return this->getSortCapabilities(Request);
if(!strcmp(Request->ActionName, UPNP_CDS_ACTION_SYSTEMUPDATEID))
return this->getSystemUpdateID(Request);
return UPNP_E_BAD_REQUEST;
}
int cContentDirectory::browse(Upnp_Action_Request* Request){
MESSAGE(VERBOSE_CDS, "Browse requested by %s.", inet_ntoa(Request->CtrlPtIPAddr));
char* ObjectID = NULL;
if(this->parseStringValue(Request->ActionRequest, "ObjectID", &ObjectID)){
ERROR("Invalid arguments. ObjectID missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
char* BrowseFlag = NULL;
bool BrowseMetadata = false;
if(this->parseStringValue(Request->ActionRequest, "BrowseFlag", &BrowseFlag)){
ERROR("Invalid arguments. Browse flag missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
if(!strcasecmp(BrowseFlag, "BrowseMetadata")){
BrowseMetadata = true;
}
else if(!strcasecmp(BrowseFlag, "BrowseDirectChildren")){
BrowseMetadata = false;
}
else {
ERROR("Invalid argument. Browse flag invalid");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
char* Filter = NULL;
if(this->parseStringValue(Request->ActionRequest, "Filter", &Filter)){
ERROR("Invalid arguments. Filter missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
int StartingIndex = 0;
if(this->parseIntegerValue(Request->ActionRequest, "StartingIndex", &StartingIndex)){
ERROR("Invalid arguments. Starting index missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
int RequestedCount = 0;
if(this->parseIntegerValue(Request->ActionRequest, "RequestedCount", &RequestedCount)){
ERROR("Invalid arguments. Requested count missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
char* SortCriteria = NULL;
if(this->parseStringValue(Request->ActionRequest, "SortCriteria", &SortCriteria)){
ERROR("Invalid arguments. Sort criteria missing or wrong");
this->setError(Request, UPNP_SOAP_E_INVALID_ARGS);
return Request->ErrCode;
}
cUPnPResultSet* ResultSet;
int ret = this->mMediaDatabase->browse(&ResultSet, ObjectID, BrowseMetadata, Filter, StartingIndex, RequestedCount, SortCriteria);
if(ret!=UPNP_E_SUCCESS){
ERROR("Error while browsing. Code: %d", ret);
this->setError(Request, ret);
return Request->ErrCode;
}
char* escapedResult = NULL;
escapeXMLCharacters(ResultSet->mResult, &escapedResult);
if(!escapedResult){
ERROR("Escaping XML data failed");
this->setError(Request, UPNP_SOAP_E_ACTION_FAILED);
return Request->ErrCode;
}
cString Result = cString::sprintf(
"<u:%sResponse xmlns:u=\"%s\"> \
<Result>%s</Result> \
<NumberReturned>%d</NumberReturned> \
<TotalMatches>%d</TotalMatches> \
<UpdateID>%d</UpdateID> \
</u:%sResponse>",
Request->ActionName,
UPNP_CDS_SERVICE_TYPE,
escapedResult,
ResultSet->mNumberReturned,
ResultSet->mTotalMatches,
this->mMediaDatabase->getSystemUpdateID(),
Request->ActionName
);
Request->ActionResult = ixmlParseBuffer(Result);
Request->ErrCode = UPNP_E_SUCCESS;
free(escapedResult);
return Request->ErrCode;
}
int cContentDirectory::getSystemUpdateID(Upnp_Action_Request* Request){
cString Result = cString::sprintf(
"<u:%sResponse xmlns:u=\"%s\"> \
<Id>%d</Id> \
</u:%sResponse>",
Request->ActionName,
UPNP_CDS_SERVICE_TYPE,
this->mMediaDatabase->getSystemUpdateID(),
Request->ActionName
);
Request->ActionResult = ixmlParseBuffer(Result);
Request->ErrCode = UPNP_E_SUCCESS;
return Request->ErrCode;
}
int cContentDirectory::getSearchCapabilities(Upnp_Action_Request* Request){
MESSAGE(VERBOSE_CDS, "Sorry, no search capabilities yet");
cString Result = cString::sprintf(
"<u:%sResponse xmlns:u=\"%s\"> \
<SearchCaps>%s</SearchCaps> \
</u:%sResponse>",
Request->ActionName,
UPNP_CDS_SERVICE_TYPE,
UPNP_CDS_SEARCH_CAPABILITIES,
Request->ActionName
);
Request->ActionResult = ixmlParseBuffer(Result);
Request->ErrCode = UPNP_E_SUCCESS;
return Request->ErrCode;
}
int cContentDirectory::getSortCapabilities(Upnp_Action_Request* Request){
MESSAGE(VERBOSE_CDS, "Sorry, no sort capabilities yet");
cString Result = cString::sprintf(
"<u:%sResponse xmlns:u=\"%s\"> \
<SortCaps>%s</SortCaps> \
</u:%sResponse>",
Request->ActionName,
UPNP_CDS_SERVICE_TYPE,
UPNP_CDS_SORT_CAPABILITIES,
Request->ActionName
);
Request->ActionResult = ixmlParseBuffer(Result);
Request->ErrCode = UPNP_E_SUCCESS;
return Request->ErrCode;
}
void cContentDirectory::setError(Upnp_Action_Request* Request, int Error){
Request->ErrCode = Error;
switch(Error){
case UPNP_CDS_E_BAD_METADATA:
strn0cpy(Request->ErrStr,_("Bad metadata"),LINE_SIZE);
break;
case UPNP_CDS_E_CANT_PROCESS_REQUEST:
strn0cpy(Request->ErrStr,_("Cannot process the request"),LINE_SIZE);
break;
case UPNP_CDS_E_DEST_RESOURCE_ACCESS_DENIED:
strn0cpy(Request->ErrStr,_("Destination resource access denied"),LINE_SIZE);
break;
case UPNP_CDS_E_INVALID_CURRENT_TAG:
strn0cpy(Request->ErrStr,_("Invalid current tag"),LINE_SIZE);
break;
case UPNP_CDS_E_INVALID_NEW_TAG:
strn0cpy(Request->ErrStr,_("Invalid new tag"),LINE_SIZE);
break;
case UPNP_CDS_E_INVALID_SEARCH_CRITERIA:
strn0cpy(Request->ErrStr,_("Invalid or unsupported search criteria"),LINE_SIZE);
break;
case UPNP_CDS_E_INVALID_SORT_CRITERIA:
strn0cpy(Request->ErrStr,_("Invalid or unsupported sort criteria"),LINE_SIZE);
break;
case UPNP_CDS_E_NO_SUCH_CONTAINER:
strn0cpy(Request->ErrStr,_("No such container"),LINE_SIZE);
break;
case UPNP_CDS_E_NO_SUCH_DESTINATION_RESOURCE:
strn0cpy(Request->ErrStr,_("No such destination resource"),LINE_SIZE);
break;
case UPNP_CDS_E_NO_SUCH_FILE_TRANSFER:
strn0cpy(Request->ErrStr,_("No such file transfer"),LINE_SIZE);
break;
case UPNP_CDS_E_NO_SUCH_OBJECT:
strn0cpy(Request->ErrStr,_("No such objectID"),LINE_SIZE);
break;
case UPNP_CDS_E_NO_SUCH_SOURCE_RESOURCE:
strn0cpy(Request->ErrStr,_("No such source resource"),LINE_SIZE);
break;
case UPNP_CDS_E_PARAMETER_MISMATCH:
strn0cpy(Request->ErrStr,_("Parameter mismatch"),LINE_SIZE);
break;
case UPNP_CDS_E_READ_ONLY_TAG:
strn0cpy(Request->ErrStr,_("Read only tag"),LINE_SIZE);
break;
case UPNP_CDS_E_REQUIRED_TAG:
strn0cpy(Request->ErrStr,_("Required tag"),LINE_SIZE);
break;
case UPNP_CDS_E_RESOURCE_ACCESS_DENIED:
strn0cpy(Request->ErrStr,_("Resource access denied"),LINE_SIZE);
break;
case UPNP_CDS_E_RESTRICTED_OBJECT:
strn0cpy(Request->ErrStr,_("Restricted object"),LINE_SIZE);
break;
case UPNP_CDS_E_RESTRICTED_PARENT:
strn0cpy(Request->ErrStr,_("Restricted parent"),LINE_SIZE);
break;
case UPNP_CDS_E_TRANSFER_BUSY:
strn0cpy(Request->ErrStr,_("Transfer busy"),LINE_SIZE);
break;
default:
cUpnpService::setError(Request, Error);
break;
}
return;
}
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