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// server.cpp
/**
* 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 "stdafx.h"
#include "../util/message.h"
#include "../util/unittest.h"
#include "../client/connpool.h"
#include "../util/message_server.h"
#include "server.h"
#include "request.h"
#include "config.h"
#include "chunk.h"
namespace mongo {
int port = 27017;
const char *curNs = "";
Database *database = 0;
string ourHostname;
OID serverID;
bool dbexitCalled = false;
bool inShutdown(){
return dbexitCalled;
}
string getDbContext() {
return "?";
}
void usage( char * argv[] ){
out() << argv[0] << " usage:\n\n";
out() << " -v+ verbose\n";
out() << " --port <portno>\n";
out() << " --configdb <configdbname> [<configdbname>...]\n";
// out() << " --infer infer configdbname by replacing \"-n<n>\"\n";
// out() << " in our hostname with \"-grid\".\n";
out() << endl;
}
class ShardedMessageHandler : public MessageHandler {
public:
virtual ~ShardedMessageHandler(){}
virtual void process( Message& m , AbstractMessagingPort* p ){
Request r( m , p );
try {
r.process();
}
catch ( DBException& e ){
log() << "UserException: " << e.what() << endl;
if ( r.expectResponse() ){
BSONObj err = BSON( "$err" << e.what() );
replyToQuery( QueryResult::ResultFlag_ErrSet, p , m , err );
}
}
}
};
void init(){
serverID.init();
}
void start() {
log() << "waiting for connections on port " << port << endl;
//DbGridListener l(port);
//l.listen();
ShardedMessageHandler handler;
MessageServer * server = createServer( port , &handler );
server->run();
}
DBClientBase *createDirectClient(){
uassert( "createDirectClient not implemented for sharding yet" , 0 );
return 0;
}
} // namespace mongo
using namespace mongo;
int main(int argc, char* argv[], char *envp[] ) {
bool justTests = false;
bool infer = false;
vector<string> configdbs;
for (int i = 1; i < argc; i++) {
if ( argv[i] == 0 ) continue;
string s = argv[i];
if ( s == "--port" ) {
port = atoi(argv[++i]);
}
else if ( s == "--infer" ) {
infer = true;
}
else if ( s == "--configdb" ) {
assert( ! infer );
while ( ++i < argc )
configdbs.push_back(argv[i]);
if ( configdbs.size() == 0 ) {
out() << "error: no args for --configdb\n";
return 4;
}
if ( configdbs.size() > 2 ) {
out() << "error: --configdb does not support more than 2 parameters yet\n";
return 5;
}
}
else if ( s.find( "-v" ) == 0 ){
logLevel = s.size() - 1;
}
else if ( s == "--test" ) {
justTests = true;
logLevel = 5;
}
else {
usage( argv );
return 3;
}
}
UnitTest::runTests();
if ( justTests ){
cout << "tests passed" << endl;
return 0;
}
if ( argc <= 1 ) {
usage( argv );
return 3;
}
bool ok = port != 0;
if ( !ok ) {
usage( argv );
return 1;
}
log() << argv[0] << " v0.2- (alpha 2) starting (--help for usage)" << endl;
printGitVersion();
printSysInfo();
if ( ! configServer.init( configdbs , infer ) ){
cerr << "couldn't connectd to config db" << endl;
return 7;
}
assert( configServer.ok() );
int configError = configServer.checkConfigVersion();
if ( configError ){
cerr << "config server error: " << configError << endl;
return configError;
}
init();
start();
dbexit( EXIT_CLEAN );
return 0;
}
#undef exit
void mongo::dbexit( ExitCode rc, const char *why) {
dbexitCalled = true;
log() << "dbexit: " << why << " rc:" << rc << endl;
::exit(rc);
}
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