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mirror of https://github.com/mongodb/mongo.git synced 2024-12-01 01:21:03 +01:00
mongodb/shell/dbshell.cpp

346 lines
8.7 KiB
C++

// dbshell.cpp
#include <stdio.h>
#ifdef USE_READLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif
#include "../scripting/engine.h"
#include "../client/dbclient.h"
#include "utils.h"
extern const char * jsconcatcode;
void shellHistoryInit(){
#ifdef USE_READLINE
using_history();
read_history( ".dbshell" );
#else
cout << "type \"exit\" to exit" << endl;
#endif
}
void shellHistoryDone(){
#ifdef USE_READLINE
write_history( ".dbshell" );
#endif
}
void shellHistoryAdd( const char * line ){
if ( strlen(line) == 0 )
return;
#ifdef USE_READLINE
add_history( line );
#endif
}
char * shellReadline( const char * prompt ){
#ifdef USE_READLINE
return readline( "> " );
#else
printf( "> " );
char * buf = new char[1024];
char * l = fgets( buf , 1024 , stdin );
int len = strlen( buf );
buf[len-1] = 0;
return l;
#endif
}
#if !defined(_WIN32)
#include <execinfo.h>
#include <string.h>
void quitNicely( int sig ){
if ( sig == SIGPIPE )
mongo::rawOut( "mongo got signal SIGPIPE\n" );
shellHistoryDone();
exit(0);
}
void quitAbruptly( int sig ) {
ostringstream ossSig;
ossSig << "mongo got signal " << sig << " (" << strsignal( sig ) << "), stack trace: " << endl;
mongo::rawOut( ossSig.str() );
ostringstream ossBt;
mongo::printStackTrace( ossBt );
mongo::rawOut( ossBt.str() );
mongo::shellUtils::KillMongoProgramInstances();
exit(14);
}
void setupSignals() {
signal( SIGINT , quitNicely );
signal( SIGTERM , quitNicely );
signal( SIGPIPE , quitNicely ); // Maybe just log and continue?
signal( SIGABRT , quitAbruptly );
signal( SIGSEGV , quitAbruptly );
signal( SIGBUS , quitAbruptly );
signal( SIGFPE , quitAbruptly );
}
#else
inline void setupSignals() {}
#endif
string fixHost( string url , string host , string port ){
if ( host.size() == 0 && port.size() == 0 ){
if ( url.find( "/" ) == string::npos && url.find( "." ) != string::npos )
return url + "/test";
return url;
}
if ( url.find( "/" ) != string::npos ){
cerr << "url can't have host or port if you specify them individually" << endl;
exit(-1);
}
if ( host.size() == 0 )
host = "127.0.0.1";
string newurl = host;
if ( port.size() > 0 )
newurl += ":" + port;
newurl += "/" + url;
return newurl;
}
int main(int argc, char* argv[]) {
setupSignals();
mongo::shellUtils::RecordMyLocation( argv[ 0 ] );
mongo::ScriptEngine::setup();
auto_ptr< mongo::Scope > scope( mongo::globalScriptEngine->createScope() );
string url = "test";
string dbhost;
string port;
string username;
string password;
bool runShell = false;
bool nodb = false;
string script;
int argNumber = 1;
for ( ; argNumber < argc; argNumber++) {
const char* str = argv[argNumber];
if (strcmp(str, "--shell") == 0) {
runShell = true;
continue;
}
if (strcmp(str, "--nodb") == 0) {
nodb = true;
continue;
}
if ( strcmp( str , "--port" ) == 0 ){
port = argv[argNumber+1];
argNumber++;
continue;
}
if ( strcmp( str , "--host" ) == 0 ){
dbhost = argv[argNumber+1];
argNumber++;
continue;
}
if ( strcmp( str , "--eval" ) == 0 ){
script = argv[argNumber+1];
argNumber++;
continue;
}
if ( strcmp( str , "-u" ) == 0 ){
username = argv[argNumber+1];
argNumber++;
continue;
}
if ( strcmp( str , "-p" ) == 0 ){
password = argv[argNumber+1];
argNumber++;
continue;
}
if ( strstr( str , "-p" ) == str ){
password = str;
password = password.substr( 2 );
continue;
}
if ( strcmp(str, "--help") == 0 ||
strcmp(str, "-h" ) == 0 ) {
cout
<< "usage: " << argv[0] << " [options] [db address] [file names]\n"
<< "db address can be:\n"
<< " foo = foo database on local machine\n"
<< " 192.169.0.5/foo = foo database on 192.168.0.5 machine\n"
<< " 192.169.0.5:9999/foo = foo database on 192.168.0.5 machine on port 9999\n"
<< "options\n"
<< " --shell run the shell after executing files\n"
<< " -u <username>\n"
<< " -p<password> - notice no space\n"
<< " --host <host> - server to connect to\n"
<< " --port <port> - port to connect to\n"
<< " --nodb don't connect to mongo program on startup. No 'db address' arg expected.\n"
<< " --eval <script> evaluate javascript.\n"
<< "file names: a list of files to run. will exit after unless --shell is specified\n"
;
return 0;
}
if (strcmp(str, "-f") == 0) {
continue;
}
if (strncmp(str, "--", 2) == 0) {
printf("Warning: unknown flag %s.\nTry --help for options\n", str);
continue;
}
if ( nodb )
break;
const char * last = strstr( str , "/" );
if ( last )
last++;
else
last = str;
if ( ! strstr( last , "." ) ){
url = str;
continue;
}
if ( strstr( last , ".js" ) )
break;
path p( str );
if ( ! boost::filesystem::exists( p ) ){
url = str;
continue;
}
break;
}
scope->externalSetup();
mongo::shellUtils::installShellUtils( *scope );
if ( !nodb ) { // connect to db
cout << "url: " << url << endl;
string setup = (string)"db = connect( \"" + fixHost( url , dbhost , port ) + "\")";
if ( ! scope->exec( setup , "(connect)" , false , true , false ) )
return -1;
if ( username.size() && password.size() ){
stringstream ss;
ss << "if ( ! db.auth( \"" << username << "\" , \"" << password << "\" ) ){ throw 'login failed'; }";
if ( ! scope->exec( ss.str() , "(auth)" , true , true , false ) ){
cout << "login failed" << endl;
return -1;
}
}
}
if ( !script.empty() ) {
script = "function() { " + script + " }";
mongo::shellUtils::MongoProgramScope s;
if ( scope->invoke( script.c_str(), mongo::BSONObj() ) )
return -4;
}
int numFiles = 0;
for ( ; argNumber < argc; argNumber++) {
const char* str = argv[argNumber];
mongo::shellUtils::MongoProgramScope s;
if ( ! scope->execFile( str , false , true , false ) ){
return -3;
}
numFiles++;
}
if ( numFiles == 0 && script.empty() )
runShell = true;
if ( runShell ){
mongo::shellUtils::MongoProgramScope s;
shellHistoryInit();
cout << "type \"help\" for help" << endl;
//v8::Handle<v8::Object> shellHelper = baseContext_->Global()->Get( v8::String::New( "shellHelper" ) )->ToObject();
while ( 1 ){
char * line = shellReadline( "> " );
if ( ! line || ( strlen(line) == 4 && strstr( line , "exit" ) ) ){
cout << "bye" << endl;
break;
}
string code = line;
if ( code == "exit" ){
break;
}
/*
{
string cmd = line;
if ( cmd.find( " " ) > 0 )
cmd = cmd.substr( 0 , cmd.find( " " ) );
if ( shellHelper->HasRealNamedProperty( v8::String::New( cmd.c_str() ) ) ){
stringstream ss;
ss << "shellHelper( \"" << cmd << "\" , \"" << code.substr( cmd.size() ) << "\" )";
code = ss.str();
}
}
*/
scope->setString( "__line__" , code.c_str() );
scope->exec( "execShellLine()" , "(shell)" , true , true , false);
shellHistoryAdd( line );
}
shellHistoryDone();
}
return 0;
}
namespace mongo {
DBClientBase * createDirectClient(){
uassert( "no createDirectClient in shell" , 0 );
return 0;
}
}