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/* Copyright 2009 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kNetwork
#include "mongo/platform/basic.h"
#include "mongo/client/connection_string.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
void ConnectionString::_fillServers( std::string s ) {
//
// Custom-handled servers/replica sets start with '$'
// According to RFC-1123/952, this will not overlap with valid hostnames
// (also disallows $replicaSetName hosts)
//
if( s.find( '$' ) == 0 ) _type = CUSTOM;
{
std::string::size_type idx = s.find( '/' );
if ( idx != std::string::npos ) {
_setName = s.substr( 0 , idx );
s = s.substr( idx + 1 );
if( _type != CUSTOM ) _type = SET;
}
}
std::string::size_type idx;
while ( ( idx = s.find( ',' ) ) != std::string::npos ) {
_servers.push_back(HostAndPort(s.substr(0, idx)));
s = s.substr( idx + 1 );
}
_servers.push_back(HostAndPort(s));
}
void ConnectionString::_finishInit() {
// Needed here as well b/c the parsing logic isn't used in all constructors
// TODO: Refactor so that the parsing logic *is* used in all constructors
if ( _type == MASTER && _servers.size() > 0 ){
if( _servers[0].host().find( '$' ) == 0 ){
_type = CUSTOM;
}
}
std::stringstream ss;
if ( _type == SET )
ss << _setName << "/";
for ( unsigned i=0; i<_servers.size(); i++ ) {
if ( i > 0 )
ss << ",";
ss << _servers[i].toString();
}
_string = ss.str();
}
bool ConnectionString::sameLogicalEndpoint( const ConnectionString& other ) const {
if ( _type != other._type )
return false;
switch ( _type ) {
case INVALID:
return true;
case MASTER:
return _servers[0] == other._servers[0];
case PAIR:
if ( _servers[0] == other._servers[0] )
return _servers[1] == other._servers[1];
return
( _servers[0] == other._servers[1] ) &&
( _servers[1] == other._servers[0] );
case SET:
return _setName == other._setName;
case SYNC:
// The servers all have to be the same in each, but not in the same order.
if ( _servers.size() != other._servers.size() )
return false;
for ( unsigned i = 0; i < _servers.size(); i++ ) {
bool found = false;
for ( unsigned j = 0; j < other._servers.size(); j++ ) {
if ( _servers[i] == other._servers[j] ) {
found = true;
break;
}
}
if ( ! found )
return false;
}
return true;
case CUSTOM:
return _string == other._string;
}
verify( false );
}
ConnectionString ConnectionString::parse( const std::string& host , std::string& errmsg ) {
std::string::size_type i = host.find( '/' );
if ( i != std::string::npos && i != 0) {
// replica set
return ConnectionString( SET , host.substr( i + 1 ) , host.substr( 0 , i ) );
}
int numCommas = str::count( host , ',' );
if( numCommas == 0 )
return ConnectionString( HostAndPort( host ) );
if ( numCommas == 1 )
return ConnectionString( PAIR , host );
if ( numCommas == 2 )
return ConnectionString( SYNC , host );
errmsg = (std::string)"invalid hostname [" + host + "]";
return ConnectionString(); // INVALID
}
std::string ConnectionString::typeToString( ConnectionType type ) {
switch ( type ) {
case INVALID:
return "invalid";
case MASTER:
return "master";
case PAIR:
return "pair";
case SET:
return "set";
case SYNC:
return "sync";
case CUSTOM:
return "custom";
}
verify(0);
return "";
}
} // namespace mongo
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