make a .vcxproj/.sln for the shell
This commit is contained in:
dwight
730
shell/shell_utils.cpp
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730
shell/shell_utils.cpp
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@@ -0,0 +1,730 @@
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// utils.cpp
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/*
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* Copyright 2010 10gen Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pch.h"
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#include <boost/thread/xtime.hpp>
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#include <cstring>
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#include <cstdio>
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#include <cstdlib>
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#include <assert.h>
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#include <iostream>
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#include <map>
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#include <sstream>
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#include <vector>
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#include <fcntl.h>
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#ifdef _WIN32
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# include <io.h>
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# define SIGKILL 9
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#else
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# include <sys/socket.h>
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# include <netinet/in.h>
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# include <signal.h>
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# include <sys/stat.h>
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# include <sys/wait.h>
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#endif
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#include "../client/dbclient.h"
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#include "../util/processinfo.h"
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#include "utils.h"
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extern const char * jsconcatcode_server;
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namespace mongo {
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#ifdef _WIN32
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inline int close(int fd) { return _close(fd); }
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inline int read(int fd, void* buf, size_t size) { return _read(fd, buf, size); }
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inline int pipe(int fds[2]) { return _pipe(fds, 1024, _O_TEXT | _O_NOINHERIT); }
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#endif
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namespace shellUtils {
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std::string _dbConnect;
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std::string _dbAuth;
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const char *argv0 = 0;
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void RecordMyLocation( const char *_argv0 ) { argv0 = _argv0; }
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// helpers
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BSONObj makeUndefined() {
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BSONObjBuilder b;
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b.appendUndefined( "" );
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return b.obj();
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}
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const BSONObj undefined_ = makeUndefined();
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BSONObj encapsulate( const BSONObj &obj ) {
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return BSON( "" << obj );
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}
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// real methods
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mongo::BSONObj JSSleep(const mongo::BSONObj &args){
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assert( args.nFields() == 1 );
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assert( args.firstElement().isNumber() );
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int ms = int( args.firstElement().number() );
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{
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auto_ptr< ScriptEngine::Unlocker > u = globalScriptEngine->newThreadUnlocker();
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sleepmillis( ms );
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}
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return undefined_;
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}
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BSONObj Quit(const BSONObj& args) {
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// If not arguments are given first element will be EOO, which
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// converts to the integer value 0.
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int exit_code = int( args.firstElement().number() );
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::exit(exit_code);
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return undefined_;
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}
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BSONObj JSGetMemInfo( const BSONObj& args ){
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ProcessInfo pi;
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uassert( 10258 , "processinfo not supported" , pi.supported() );
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BSONObjBuilder e;
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e.append( "virtual" , pi.getVirtualMemorySize() );
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e.append( "resident" , pi.getResidentSize() );
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BSONObjBuilder b;
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b.append( "ret" , e.obj() );
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return b.obj();
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}
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#ifndef MONGO_SAFE_SHELL
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BSONObj listFiles(const BSONObj& args){
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uassert( 10257 , "need to specify 1 argument to listFiles" , args.nFields() == 1 );
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BSONObjBuilder lst;
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string rootname = args.firstElement().valuestrsafe();
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path root( rootname );
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stringstream ss;
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ss << "listFiles: no such directory: " << rootname;
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string msg = ss.str();
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uassert( 12581, msg.c_str(), boost::filesystem::exists( root ) );
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directory_iterator end;
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directory_iterator i( root);
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int num =0;
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while ( i != end ){
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path p = *i;
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BSONObjBuilder b;
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b << "name" << p.string();
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b.appendBool( "isDirectory", is_directory( p ) );
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if ( ! is_directory( p ) ){
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try {
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b.append( "size" , (double)file_size( p ) );
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}
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catch ( ... ){
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i++;
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continue;
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}
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}
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stringstream ss;
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ss << num;
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string name = ss.str();
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lst.append( name.c_str(), b.done() );
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num++;
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i++;
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}
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BSONObjBuilder ret;
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ret.appendArray( "", lst.done() );
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return ret.obj();
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}
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BSONObj removeFile(const BSONObj& args){
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uassert( 12597 , "need to specify 1 argument to listFiles" , args.nFields() == 1 );
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bool found = false;
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path root( args.firstElement().valuestrsafe() );
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if ( boost::filesystem::exists( root ) ){
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found = true;
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boost::filesystem::remove_all( root );
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}
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BSONObjBuilder b;
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b.appendBool( "removed" , found );
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return b.obj();
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}
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map< int, pair< pid_t, int > > dbs;
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map< pid_t, int > shells;
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#ifdef _WIN32
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map< pid_t, HANDLE > handles;
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#endif
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mongo::mutex mongoProgramOutputMutex("mongoProgramOutputMutex");
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stringstream mongoProgramOutput_;
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void writeMongoProgramOutputLine( int port, int pid, const char *line ) {
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mongo::mutex::scoped_lock lk( mongoProgramOutputMutex );
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stringstream buf;
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if ( port > 0 )
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buf << "m" << port << "| " << line;
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else
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buf << "sh" << pid << "| " << line;
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cout << buf.str() << endl;
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mongoProgramOutput_ << buf.str() << endl;
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}
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// only returns last 100000 characters
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BSONObj RawMongoProgramOutput( const BSONObj &args ) {
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mongo::mutex::scoped_lock lk( mongoProgramOutputMutex );
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string out = mongoProgramOutput_.str();
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size_t len = out.length();
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if ( len > 100000 )
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out = out.substr( len - 100000, 100000 );
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return BSON( "" << out );
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}
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BSONObj ClearRawMongoProgramOutput( const BSONObj &args ) {
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mongo::mutex::scoped_lock lk( mongoProgramOutputMutex );
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mongoProgramOutput_.str( "" );
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return undefined_;
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}
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class ProgramRunner {
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vector<string> argv_;
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int port_;
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int pipe_;
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pid_t pid_;
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public:
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pid_t pid() const { return pid_; }
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ProgramRunner( const BSONObj &args , bool isMongoProgram=true)
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{
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assert( !args.isEmpty() );
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string program( args.firstElement().valuestrsafe() );
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assert( !program.empty() );
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boost::filesystem::path programPath = program;
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if (isMongoProgram){
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#if 0
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if (program == "mongos") {
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argv_.push_back("valgrind");
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argv_.push_back("--log-file=/tmp/mongos-%p.valgrind");
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argv_.push_back("--leak-check=yes");
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argv_.push_back("--suppressions=valgrind.suppressions");
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//argv_.push_back("--error-exitcode=1");
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argv_.push_back("--");
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}
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#endif
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programPath = boost::filesystem::initial_path() / programPath;
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#ifdef _WIN32
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programPath = change_extension(programPath, ".exe");
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#endif
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massert( 10435 , "couldn't find " + programPath.native_file_string(), boost::filesystem::exists( programPath ) );
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}
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argv_.push_back( programPath.native_file_string() );
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port_ = -1;
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BSONObjIterator j( args );
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j.next(); // skip program name (handled above)
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while(j.more()) {
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BSONElement e = j.next();
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string str;
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if ( e.isNumber() ) {
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stringstream ss;
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ss << e.number();
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str = ss.str();
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} else {
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assert( e.type() == mongo::String );
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str = e.valuestr();
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}
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if ( str == "--port" )
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port_ = -2;
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else if ( port_ == -2 )
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port_ = strtol( str.c_str(), 0, 10 );
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argv_.push_back(str);
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}
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if ( program != "mongod" && program != "mongos" && program != "mongobridge" )
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port_ = 0;
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else
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assert( port_ > 0 );
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if ( port_ > 0 && dbs.count( port_ ) != 0 ){
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cerr << "count for port: " << port_ << " is not 0 is: " << dbs.count( port_ ) << endl;
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assert( dbs.count( port_ ) == 0 );
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}
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}
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void start() {
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int pipeEnds[ 2 ];
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assert( pipe( pipeEnds ) != -1 );
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fflush( 0 );
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launch_process(pipeEnds[1]); //sets pid_
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cout << "shell: started mongo program";
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for (unsigned i=0; i < argv_.size(); i++)
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cout << " " << argv_[i];
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cout << endl;
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if ( port_ > 0 )
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dbs.insert( make_pair( port_, make_pair( pid_, pipeEnds[ 1 ] ) ) );
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else
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shells.insert( make_pair( pid_, pipeEnds[ 1 ] ) );
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pipe_ = pipeEnds[ 0 ];
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}
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// Continue reading output
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void operator()() {
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// This assumes there aren't any 0's in the mongo program output.
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// Hope that's ok.
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char buf[ 1024 ];
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char temp[ 1024 ];
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char *start = buf;
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while( 1 ) {
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int lenToRead = 1023 - ( start - buf );
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int ret = read( pipe_, (void *)start, lenToRead );
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assert( ret != -1 );
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start[ ret ] = '\0';
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if ( strlen( start ) != unsigned( ret ) )
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writeMongoProgramOutputLine( port_, pid_, "WARNING: mongod wrote null bytes to output" );
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char *last = buf;
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for( char *i = strchr( buf, '\n' ); i; last = i + 1, i = strchr( last, '\n' ) ) {
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*i = '\0';
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writeMongoProgramOutputLine( port_, pid_, last );
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}
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if ( ret == 0 ) {
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if ( *last )
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writeMongoProgramOutputLine( port_, pid_, last );
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close( pipe_ );
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break;
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}
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if ( last != buf ) {
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strcpy( temp, last );
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strcpy( buf, temp );
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} else {
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assert( strlen( buf ) <= 1023 );
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}
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start = buf + strlen( buf );
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}
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}
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void launch_process(int child_stdout){
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#ifdef _WIN32
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stringstream ss;
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for( unsigned i=0; i < argv_.size(); i++ ){
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if (i) ss << ' ';
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if (argv_[i].find(' ') == string::npos)
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ss << argv_[i];
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else
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ss << '"' << argv_[i] << '"';
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}
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string args = ss.str();
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boost::scoped_array<TCHAR> args_tchar (new TCHAR[args.size() + 1]);
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for (size_t i=0; i < args.size()+1; i++)
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args_tchar[i] = args[i];
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HANDLE h = (HANDLE)_get_osfhandle(child_stdout);
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assert(h != INVALID_HANDLE_VALUE);
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assert(SetHandleInformation(h, HANDLE_FLAG_INHERIT, 1));
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STARTUPINFO si;
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ZeroMemory(&si, sizeof(si));
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si.cb = sizeof(si);
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si.hStdError = h;
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si.hStdOutput = h;
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si.dwFlags |= STARTF_USESTDHANDLES;
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PROCESS_INFORMATION pi;
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ZeroMemory(&pi, sizeof(pi));
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bool success = CreateProcess( NULL, args_tchar.get(), NULL, NULL, true, 0, NULL, NULL, &si, &pi) != 0;
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assert(success);
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CloseHandle(pi.hThread);
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pid_ = pi.dwProcessId;
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handles.insert( make_pair( pid_, pi.hProcess ) );
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#else
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pid_ = fork();
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assert( pid_ != -1 );
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if ( pid_ == 0 ) {
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// DON'T ASSERT IN THIS BLOCK - very bad things will happen
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const char** argv = new const char* [argv_.size()+1]; // don't need to free - in child
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for (unsigned i=0; i < argv_.size(); i++){
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argv[i] = argv_[i].c_str();
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}
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argv[argv_.size()] = 0;
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if ( dup2( child_stdout, STDOUT_FILENO ) == -1 ||
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dup2( child_stdout, STDERR_FILENO ) == -1 )
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{
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cout << "Unable to dup2 child output: " << errnoWithDescription() << endl;
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::_Exit(-1); //do not pass go, do not call atexit handlers
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}
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execvp( argv[ 0 ], const_cast<char**>(argv) );
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cout << "Unable to start program: " << errnoWithDescription() << endl;
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::_Exit(-1);
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}
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#endif
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}
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};
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//returns true if process exited
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bool wait_for_pid(pid_t pid, bool block=true, int* exit_code=NULL){
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#ifdef _WIN32
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assert(handles.count(pid));
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HANDLE h = handles[pid];
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if (block)
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WaitForSingleObject(h, INFINITE);
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DWORD tmp;
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if(GetExitCodeProcess(h, &tmp)){
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CloseHandle(h);
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handles.erase(pid);
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if (exit_code)
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*exit_code = tmp;
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return true;
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}else{
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return false;
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}
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#else
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int tmp;
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bool ret = (pid == waitpid(pid, &tmp, (block ? 0 : WNOHANG)));
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if (exit_code)
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*exit_code = WEXITSTATUS(tmp);
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return ret;
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#endif
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}
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BSONObj WaitProgram( const BSONObj& a ){
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int pid = a.firstElement().numberInt();
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BSONObj x = BSON( "" << wait_for_pid( pid ) );
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shells.erase( pid );
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return x;
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}
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||||
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||||
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||||
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||||
BSONObj StartMongoProgram( const BSONObj &a ) {
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_nokillop = true;
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ProgramRunner r( a );
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r.start();
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||||
boost::thread t( r );
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return BSON( string( "" ) << int( r.pid() ) );
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}
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BSONObj RunMongoProgram( const BSONObj &a ) {
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ProgramRunner r( a );
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||||
r.start();
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||||
boost::thread t( r );
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wait_for_pid(r.pid());
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shells.erase( r.pid() );
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return BSON( string( "" ) << int( r.pid() ) );
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}
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BSONObj RunProgram(const BSONObj &a) {
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ProgramRunner r( a, false );
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||||
r.start();
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||||
boost::thread t( r );
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int exit_code;
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||||
wait_for_pid(r.pid(), true, &exit_code);
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shells.erase( r.pid() );
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return BSON( string( "" ) << exit_code );
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||||
}
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||||
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||||
BSONObj ResetDbpath( const BSONObj &a ) {
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||||
assert( a.nFields() == 1 );
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||||
string path = a.firstElement().valuestrsafe();
|
||||
assert( !path.empty() );
|
||||
if ( boost::filesystem::exists( path ) )
|
||||
boost::filesystem::remove_all( path );
|
||||
boost::filesystem::create_directory( path );
|
||||
return undefined_;
|
||||
}
|
||||
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||||
void copyDir( const path &from, const path &to ) {
|
||||
directory_iterator end;
|
||||
directory_iterator i( from );
|
||||
while( i != end ) {
|
||||
path p = *i;
|
||||
if ( p.leaf() != "mongod.lock" ) {
|
||||
if ( is_directory( p ) ) {
|
||||
path newDir = to / p.leaf();
|
||||
boost::filesystem::create_directory( newDir );
|
||||
copyDir( p, newDir );
|
||||
} else {
|
||||
boost::filesystem::copy_file( p, to / p.leaf() );
|
||||
}
|
||||
}
|
||||
++i;
|
||||
}
|
||||
}
|
||||
|
||||
// NOTE target dbpath will be cleared first
|
||||
BSONObj CopyDbpath( const BSONObj &a ) {
|
||||
assert( a.nFields() == 2 );
|
||||
BSONObjIterator i( a );
|
||||
string from = i.next().str();
|
||||
string to = i.next().str();
|
||||
assert( !from.empty() );
|
||||
assert( !to.empty() );
|
||||
if ( boost::filesystem::exists( to ) )
|
||||
boost::filesystem::remove_all( to );
|
||||
boost::filesystem::create_directory( to );
|
||||
copyDir( from, to );
|
||||
return undefined_;
|
||||
}
|
||||
|
||||
inline void kill_wrapper(pid_t pid, int sig, int port){
|
||||
#ifdef _WIN32
|
||||
if (sig == SIGKILL || port == 0){
|
||||
assert( handles.count(pid) );
|
||||
TerminateProcess(handles[pid], 1); // returns failure for "zombie" processes.
|
||||
}else{
|
||||
DBClientConnection conn;
|
||||
conn.connect("127.0.0.1:" + BSONObjBuilder::numStr(port));
|
||||
try {
|
||||
conn.simpleCommand("admin", NULL, "shutdown");
|
||||
} catch (...) {
|
||||
//Do nothing. This command never returns data to the client and the driver doesn't like that.
|
||||
}
|
||||
}
|
||||
#else
|
||||
int x = kill( pid, sig );
|
||||
if ( x ){
|
||||
if ( errno == ESRCH ){
|
||||
}
|
||||
else {
|
||||
cout << "killFailed: " << errnoWithDescription() << endl;
|
||||
assert( x == 0 );
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
int killDb( int port, pid_t _pid, int signal ) {
|
||||
pid_t pid;
|
||||
int exitCode = 0;
|
||||
if ( port > 0 ) {
|
||||
if( dbs.count( port ) != 1 ) {
|
||||
cout << "No db started on port: " << port << endl;
|
||||
return 0;
|
||||
}
|
||||
pid = dbs[ port ].first;
|
||||
} else {
|
||||
pid = _pid;
|
||||
}
|
||||
|
||||
kill_wrapper( pid, signal, port );
|
||||
|
||||
int i = 0;
|
||||
for( ; i < 65; ++i ) {
|
||||
if ( i == 5 ) {
|
||||
char now[64];
|
||||
time_t_to_String(time(0), now);
|
||||
now[ 20 ] = 0;
|
||||
cout << now << " process on port " << port << ", with pid " << pid << " not terminated, sending sigkill" << endl;
|
||||
kill_wrapper( pid, SIGKILL, port );
|
||||
}
|
||||
if(wait_for_pid(pid, false, &exitCode))
|
||||
break;
|
||||
sleepmillis( 1000 );
|
||||
}
|
||||
if ( i == 65 ) {
|
||||
char now[64];
|
||||
time_t_to_String(time(0), now);
|
||||
now[ 20 ] = 0;
|
||||
cout << now << " failed to terminate process on port " << port << ", with pid " << pid << endl;
|
||||
assert( "Failed to terminate process" == 0 );
|
||||
}
|
||||
|
||||
if ( port > 0 ) {
|
||||
close( dbs[ port ].second );
|
||||
dbs.erase( port );
|
||||
} else {
|
||||
close( shells[ pid ] );
|
||||
shells.erase( pid );
|
||||
}
|
||||
if ( i > 4 || signal == SIGKILL ) {
|
||||
sleepmillis( 4000 ); // allow operating system to reclaim resources
|
||||
}
|
||||
|
||||
return exitCode;
|
||||
}
|
||||
|
||||
int getSignal( const BSONObj &a ) {
|
||||
int ret = SIGTERM;
|
||||
if ( a.nFields() == 2 ) {
|
||||
BSONObjIterator i( a );
|
||||
i.next();
|
||||
BSONElement e = i.next();
|
||||
assert( e.isNumber() );
|
||||
ret = int( e.number() );
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
BSONObj StopMongoProgram( const BSONObj &a ) {
|
||||
assert( a.nFields() == 1 || a.nFields() == 2 );
|
||||
assert( a.firstElement().isNumber() );
|
||||
int port = int( a.firstElement().number() );
|
||||
int code = killDb( port, 0, getSignal( a ) );
|
||||
cout << "shell: stopped mongo program on port " << port << endl;
|
||||
return BSON( "" << code );
|
||||
}
|
||||
|
||||
BSONObj StopMongoProgramByPid( const BSONObj &a ) {
|
||||
assert( a.nFields() == 1 || a.nFields() == 2 );
|
||||
assert( a.firstElement().isNumber() );
|
||||
int pid = int( a.firstElement().number() );
|
||||
int code = killDb( 0, pid, getSignal( a ) );
|
||||
cout << "shell: stopped mongo program on pid " << pid << endl;
|
||||
return BSON( "" << code );
|
||||
}
|
||||
|
||||
void KillMongoProgramInstances() {
|
||||
vector< int > ports;
|
||||
for( map< int, pair< pid_t, int > >::iterator i = dbs.begin(); i != dbs.end(); ++i )
|
||||
ports.push_back( i->first );
|
||||
for( vector< int >::iterator i = ports.begin(); i != ports.end(); ++i )
|
||||
killDb( *i, 0, SIGTERM );
|
||||
vector< pid_t > pids;
|
||||
for( map< pid_t, int >::iterator i = shells.begin(); i != shells.end(); ++i )
|
||||
pids.push_back( i->first );
|
||||
for( vector< pid_t >::iterator i = pids.begin(); i != pids.end(); ++i )
|
||||
killDb( 0, *i, SIGTERM );
|
||||
}
|
||||
#else // ndef MONGO_SAFE_SHELL
|
||||
void KillMongoProgramInstances() {}
|
||||
#endif
|
||||
|
||||
MongoProgramScope::~MongoProgramScope() {
|
||||
DESTRUCTOR_GUARD(
|
||||
KillMongoProgramInstances();
|
||||
ClearRawMongoProgramOutput( BSONObj() );
|
||||
)
|
||||
}
|
||||
|
||||
unsigned _randomSeed;
|
||||
|
||||
BSONObj JSSrand( const BSONObj &a ) {
|
||||
uassert( 12518, "srand requires a single numeric argument",
|
||||
a.nFields() == 1 && a.firstElement().isNumber() );
|
||||
_randomSeed = (unsigned)a.firstElement().numberLong(); // grab least significant digits
|
||||
return undefined_;
|
||||
}
|
||||
|
||||
BSONObj JSRand( const BSONObj &a ) {
|
||||
uassert( 12519, "rand accepts no arguments", a.nFields() == 0 );
|
||||
unsigned r;
|
||||
#if !defined(_WIN32)
|
||||
r = rand_r( &_randomSeed );
|
||||
#else
|
||||
r = rand(); // seed not used in this case
|
||||
#endif
|
||||
return BSON( "" << double( r ) / ( double( RAND_MAX ) + 1 ) );
|
||||
}
|
||||
|
||||
BSONObj isWindows(const BSONObj& a){
|
||||
uassert( 13006, "isWindows accepts no arguments", a.nFields() == 0 );
|
||||
#ifdef _WIN32
|
||||
return BSON( "" << true );
|
||||
#else
|
||||
return BSON( "" << false );
|
||||
#endif
|
||||
}
|
||||
|
||||
void installShellUtils( Scope& scope ){
|
||||
scope.injectNative( "sleep" , JSSleep );
|
||||
scope.injectNative( "quit", Quit );
|
||||
scope.injectNative( "getMemInfo" , JSGetMemInfo );
|
||||
scope.injectNative( "_srand" , JSSrand );
|
||||
scope.injectNative( "_rand" , JSRand );
|
||||
scope.injectNative( "_isWindows" , isWindows );
|
||||
|
||||
#ifndef MONGO_SAFE_SHELL
|
||||
//can't launch programs
|
||||
scope.injectNative( "_startMongoProgram", StartMongoProgram );
|
||||
scope.injectNative( "runProgram", RunProgram );
|
||||
scope.injectNative( "runMongoProgram", RunMongoProgram );
|
||||
scope.injectNative( "stopMongod", StopMongoProgram );
|
||||
scope.injectNative( "stopMongoProgram", StopMongoProgram );
|
||||
scope.injectNative( "stopMongoProgramByPid", StopMongoProgramByPid );
|
||||
scope.injectNative( "rawMongoProgramOutput", RawMongoProgramOutput );
|
||||
scope.injectNative( "clearRawMongoProgramOutput", ClearRawMongoProgramOutput );
|
||||
scope.injectNative( "waitProgram" , WaitProgram );
|
||||
|
||||
//can't access filesystem
|
||||
scope.injectNative( "removeFile" , removeFile );
|
||||
scope.injectNative( "listFiles" , listFiles );
|
||||
scope.injectNative( "resetDbpath", ResetDbpath );
|
||||
scope.injectNative( "copyDbpath", CopyDbpath );
|
||||
#endif
|
||||
}
|
||||
|
||||
void initScope( Scope &scope ) {
|
||||
scope.externalSetup();
|
||||
mongo::shellUtils::installShellUtils( scope );
|
||||
scope.execSetup( jsconcatcode_server , "setupServerCode" );
|
||||
|
||||
if ( !_dbConnect.empty() ) {
|
||||
uassert( 12513, "connect failed", scope.exec( _dbConnect , "(connect)" , false , true , false ) );
|
||||
if ( !_dbAuth.empty() ) {
|
||||
installGlobalUtils( scope );
|
||||
uassert( 12514, "login failed", scope.exec( _dbAuth , "(auth)" , true , true , false ) );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
map< const void*, string > _allMyUris;
|
||||
bool _nokillop = false;
|
||||
void onConnect( DBClientWithCommands &c ) {
|
||||
if ( _nokillop ) {
|
||||
return;
|
||||
}
|
||||
BSONObj info;
|
||||
if ( c.runCommand( "admin", BSON( "whatsmyuri" << 1 ), info ) ) {
|
||||
// There's no way to explicitly disconnect a DBClientConnection, but we might allocate
|
||||
// a new uri on automatic reconnect. So just store one uri per connection.
|
||||
_allMyUris[ &c ] = info[ "you" ].str();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user