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/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "storage.h"
#include "jsobj.h"
#include "namespace.h"
class DbMessage {
public:
DbMessage(Message& _m) : m(_m) {
theEnd = _m.data->_data + _m.data->dataLen();
int *r = (int *) _m.data->_data;
reserved = *r;
r++;
data = (const char *) r;
nextjsobj = data;
}
const char * getns() { return data; }
void getns(Namespace& ns) {
ns = data;
}
int pullInt() {
if( nextjsobj == data )
nextjsobj += strlen(data) + 1; // skip namespace
int i = *((int *)nextjsobj);
nextjsobj += 4;
return i;
}
long long pullInt64() {
if( nextjsobj == data )
nextjsobj += strlen(data) + 1; // skip namespace
long long i = *((long long *)nextjsobj);
nextjsobj += 8;
return i;
}
OID* getOID() {
return (OID *) (data + strlen(data) + 1); // skip namespace
}
void getQueryStuff(const char *&query, int& ntoreturn) {
int *i = (int *) (data + strlen(data) + 1);
ntoreturn = *i;
i++;
query = (const char *) i;
}
/* for insert and update msgs */
bool moreJSObjs() { return nextjsobj != 0; }
JSObj nextJsObj() {
if( nextjsobj == data )
nextjsobj += strlen(data) + 1; // skip namespace
JSObj js(nextjsobj);
assert( js.objsize() < ( theEnd - data ) );
if( js.objsize() <= 0 )
nextjsobj = null;
else {
nextjsobj += js.objsize();
if( nextjsobj >= theEnd )
nextjsobj = 0;
}
return js;
}
private:
Message& m;
int reserved;
const char *data;
const char *nextjsobj;
const char *theEnd;
};
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