X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fkernel%2Fkernel.cpp;h=6e9beec81fa6aa43de734df0c83b51bbad0055fd;hb=f43129215d9cc2dcd6bf5f2a4c6b1bebec34de16;hp=21a72c6430449c27e649b6933a786224066ff0e0;hpb=4b8aa7c32cc1635139b4d5a7d77857ebb844a8bf;p=vlp.git diff --git a/src/kernel/kernel.cpp b/src/kernel/kernel.cpp index 21a72c6..6e9beec 100644 --- a/src/kernel/kernel.cpp +++ b/src/kernel/kernel.cpp @@ -7,7 +7,7 @@ as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + 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 General Public License for more details. @@ -29,37 +29,28 @@ ************************************************************/ - -#include -//#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include #include -#include -#include -#include -#include +#include +#include +#include +#include #include #include @@ -67,433 +58,374 @@ #include #include "genint1.h" -#include "comm.h" #include "socu.h" #include #include +#include + +#include "kernel.h" +#include "ui/kernelwindow.h" +#include "lock.h" +#include "options.h" +#include "kill_interpreter_dialog.h" +#include "connect_dialog.h" + +#include "vlp/config.h" + +/* File resides in top directory (where are Makefiles)*/ +#include "../../config.h" -#define GPATH "loggr" -#define IPATH "logi" -#define NPATH "logn" -#define REMOTE_PATH "REMOTE" -#define MAXINTERP 20 -#define MAXINSTANCES 256 - - -#define MESG_COL 0 -#define WARN_COL 1 -#define NORM_COL 2 - - -char CharLine[25]="________________________"; -char myargs[5][255]; - - -/* --------------- interpreter slot -----------------*/ -class InterpEntry { -public: - int ID; // INT identifier - bool remote; // Am I remote ? - char fullname[255],shortname[255]; // Program name - int sock; // Socket - QSocketNotifier *notify; - int RInstances[MAXINSTANCES]; // IDs of my remote INT modules - ctx_struct p_ctx; // parent INT info -}; -/*++++++++++++++++++++++++++++++++++++++++++*/ - -/*----------------- connection slot -------------*/ -class ConnectEntry { -public: - char addr[256]; - ConnectEntry(char *s) {strcpy(addr,s);}; -}; - -/* ++++++++++++++++++++++++++++++++++++++++++ */ - -QApplication *app; - - -/* ---------------------------------------------------------- */ -/* KERNEL CLASS DEFINITION */ -/* ---------------------------------------------------------- */ - -class QKernel : public QFrame { - Q_OBJECT -public: - QMultiLineEdit *desktop; - QMenuBar *bar; - QPopupMenu *p,*p1,*p2; - char progdir[256]; - int NodeNumber,ConType; - - QKernel(); - - virtual void resizeEvent( QResizeEvent *ev ); - - void WriteMessage(char* msg); - void InitMessage(); - -public slots: - void n_impl(); - void Run_Prog(); - void Edit(); - void Help(); - void SetOptions(); - void AddAddress(); - void DelAddress(); - void LockConsole(); - void UnlockConsole(); - void MessageToNode(); - void QuitProc(); - void NetMessage(); - void IntMessage(int); - void KillInterpreter(); - void Disconnect(); - void SetMessages(); - void Connect(); - void Info(); - -protected: - virtual void closeEvent ( QCloseEvent * e ); - -private: - QList Interpreters; - QList ConnectList; - QListBox *connections; - int Tasks; // number of working interpreters - int ActiveConnections; // number of connected VLPs - bool LOCKED,synchro,wait_for_info; - char LockPasswd[25]; - int lockid,unlockid,qid,cwid, - optid,prid,mid,msgid,toolsid,hid; - int net_sock; - int freeINTid; - QSocketNotifier *Net_Notify; - char HomeDir[255]; - bool info_messages; - - void LoadConfig(char *); - void RunGraphModule(char*); - void RunNetModule(); - InterpEntry *findINTbySocket(int); - InterpEntry *findINTbyID(int); - InterpEntry *RunIntModule(char *ss,int r); - void RemoteInstance(InterpEntry*,int); - void CloseInstances(InterpEntry*); -}; -/* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ - -void QKernel::closeEvent ( QCloseEvent * e ) + +namespace loglan { +namespace vlp { + +char CharLine[25] = "________________________"; + +/** + * Event invoked on program close. + * Closes application. Displays additional window to confirm exit. + */ +void QKernel::closeEvent(QCloseEvent * e) { e->ignore(); + + if (!LOCKED) { + on_actionQuit_triggered(); + } } -QKernel::QKernel() +void QKernel::setLocked(bool locked) { - QFont f("Helvetica",10,QFont::Bold); - QFont f1("Helvetica",10,QFont::Normal); - QFont f2("Times Roman",10,QFont::Normal); - QDir q(REMOTE_PATH); - char ss[255]; + LOCKED = locked; + + actionQuit->setDisabled(locked); + + actionExecute->setDisabled(locked); + actionKill->setDisabled(locked); + actionMessage->setDisabled(locked); + actionConnect->setDisabled(locked); + actionDisconnect->setDisabled(locked); + actionInfo->setDisabled(locked); + + + /* Enable only menu entry for unlocking */ + actionEditor->setDisabled(locked); + actionOptions->setDisabled(locked); + actionLock_console->setDisabled(locked); + actionUnlock_console->setDisabled(!locked); +} + +/** + * Kernel program constructor. + * Prepares everything to work. + */ +QKernel::QKernel(int argc, char **argv) +{ + setupUi(this); + + QString arg0(argv[0]); + arg0 += "/"; + homeDir = QDir(arg0); + homeDir.cdUp(); + + + int i; + for(i = 0; (i < 5) && (i < argc-1); i++) { + strcpy(myargs[i], ""); + if (i < argc) { + strcpy(myargs[i], argv[i+1]); + } + } + + QDir q(getRemoteDir()); if (!q.exists()) { - sprintf(ss,"mkdir %s",REMOTE_PATH); - system(ss); - } - - info_messages=TRUE; - wait_for_info=FALSE; - - setCaption("Virtual LOGLAN Processor"); - setBackgroundColor(white); - - bar = new QMenuBar(this); - bar->setFont(f); - p = new QPopupMenu(); - p->setFont(f2); - p->insertItem("Execute",this,SLOT(Run_Prog())); - p->insertItem("Kill",this,SLOT(KillInterpreter())); - prid = bar->insertItem("&Program",p); - p1 = new QPopupMenu(); - p1->insertItem("Message",this,SLOT(MessageToNode())); - p1->insertSeparator(); - p1->insertItem("Connect",this,SLOT(Connect())); - p1->insertItem("Disconnect",this,SLOT(Disconnect())); - p1->insertItem("Info",this,SLOT(Info())); - p1->setFont(f); - mid = bar->insertItem("&Machine",p1); - - p2 = new QPopupMenu(); - cwid = p2->insertItem("Editor",this,SLOT(Edit())); - hid = p2->insertItem("Help",this,SLOT(Help())); - p2->insertSeparator(); - optid = p2->insertItem("Options",this,SLOT(SetOptions())); - msgid = p2->insertItem("Info messages",this,SLOT(SetMessages())); - p2->setItemChecked(msgid,TRUE); - p2->insertSeparator(); - lockid = p2->insertItem("Lock console",this,SLOT(LockConsole())); - unlockid = p2->insertItem("Unlock console",this,SLOT(UnlockConsole())); - p2->setItemEnabled(unlockid,FALSE); - LOCKED = FALSE; - p2->setFont(f); - toolsid = bar->insertItem("&Tools",p2); + q.mkpath(getRemoteDir()); + } - qid = bar->insertItem("&Quit",this,SLOT(QuitProc())); - p->setFont(f); + info_messages = actionInfo_messages->isChecked(); + wait_for_info = FALSE; - desktop = new QMultiLineEdit(this,"desktop"); - desktop->setAutoUpdate(TRUE); - desktop->setReadOnly(TRUE); - desktop->setFont(f1); + setWindowTitle(PACKAGE_NAME); + + LOCKED = FALSE; - resize(400,200); Tasks = 0; freeINTid = 1; ActiveConnections = 0; - strcpy(LockPasswd,""); - LoadConfig("vlp.cfg"); + strcpy(LockPasswd, ""); + + loadConfig(getConfigFilePath()); + RunNetModule(); - Net_Notify = new QSocketNotifier(net_sock,QSocketNotifier::Read,this); - connect(Net_Notify,SIGNAL(activated(int)),this,SLOT(NetMessage())); + Net_Notify = new QSocketNotifier(net_sock, QSocketNotifier::Read, this); + connect(Net_Notify, SIGNAL(activated(int)), this, SLOT(NetMessage())); + + WriteMessage("\n " PACKAGE_STRING ": READY \n"); } -void QKernel::resizeEvent( QResizeEvent *ev ) +QString QKernel::getConfigFilePath() { - QFrame::resizeEvent(ev); - if ( desktop ) - desktop->setGeometry(0, bar->height(), width(), height() - bar->height()); + return homeDir.absoluteFilePath("vlp.cfg"); } -void QKernel::n_impl() +const char * QKernel::getHomeDir() { - QMessageBox::information(this,"Function info","This function is not implemented yet...","Ok"); + return homeDir.absolutePath().toStdString().c_str(); } +const char * QKernel::getRemoteDir() +{ + return homeDir.absoluteFilePath(REMOTE_PATH).toStdString().c_str(); +} -/* ########### load configuration from file ############# */ +const char * QKernel::getNetModuleSocket() +{ + return homeDir.absoluteFilePath(NPATH).toStdString().c_str(); +} -void QKernel::LoadConfig(char * fname) +const char * QKernel::getGraphModuleSocket() { - config_t cfg; - config_setting_t *setting; - const char *str; - - /* Hack for checking if file exists without using external libs.*/ - FILE * file = fopen(fname, "rt"); - if (!file) { - fprintf(stderr, "Error: Cannot load configuration file %s!\n", fname); - exit(3); - } - /* File exists, so file has been locked. Release it. */ - - config_init(&cfg); - - /* Read the file. If there is an error, report it and exit. */ - if(!config_read(&cfg, file)) { - fprintf(stderr, "%s! In file %s, line %d\n", - config_error_text(&cfg), - config_error_file(&cfg), - config_error_line(&cfg)); - config_destroy(&cfg); - fclose(file); - exit(3);/* from original code. */ - } + return homeDir.absoluteFilePath(GPATH).toStdString().c_str(); +} - setting = config_lookup(&cfg, "node_number"); - if(setting) { - NodeNumber = config_setting_get_int(setting); - } else { - fprintf(stderr, "%s! In file %s, '%s' was not found.\n", - "Warning", - fname, - "node_number"); - config_destroy(&cfg); - fclose(file); - exit(3); - } +void QKernel::loadConfig(const QString & fname) +{ + loadConfig(fname.toStdString().c_str()); +} +/** + * Loads configuration from the given file. + * @param fname Filename of the configuration file. + */ +void QKernel::loadConfig(const char * fname) +{ + loglan::vlp::Config config; + if(config.load(fname)) { + NodeNumber = config.getNodeNumber(); + ConType = config.getConnectionType(); - setting = config_lookup(&cfg, "type"); - if(setting) { - ConType = (strcmp(config_setting_get_string(setting), "explicit") == 0) ? 1 : 2; - } else { - fprintf(stderr, "%s! In file %s, '%s' was not found.\n", - "Warning", - fname, - "type"); - } - setting = config_lookup(&cfg, "host"); - if(setting) { - switch(config_setting_type(setting)) { - case CONFIG_TYPE_STRING:/* TODO: Deprecated. Made for back compatibility. */ - ConnectList.append(new ConnectEntry((char*)config_setting_get_string(setting))); - break; - case CONFIG_TYPE_ARRAY: - for (int i = 0; i < config_setting_length(setting); i++) { - ConnectList.append(new ConnectEntry((char*)config_setting_get_string_elem(setting, i))); - } - break; - default: - fprintf(stderr, "%s! In file %s, bad entry type for %s. Will not be read.\n", - "Error", - fname, - "host"); + std::vector hosts = config.getHosts(); + for (unsigned int i = 0; i < hosts.size(); i++) { + ConnectList.append(new ConnectEntry(hosts[i].c_str())); } - } else { - fprintf(stderr, "%s! In file %s, '%s' was not found.\n", - "Warning", - fname, - "host"); - } - setting = config_lookup(&cfg, "progdir"); - if(setting){ - strncpy(progdir, config_setting_get_string(setting), 256); - } else { - fprintf(stderr, "%s! In file %s, '%s' was not found.\n", - "Warning", - fname, - "progdir"); + strncpy(progdir, config.getProgramDir(), 256); } - - setting = config_lookup(&cfg, "homedir"); - if(setting) { - strncpy(HomeDir, config_setting_get_string(setting), 255); - } else { - fprintf(stderr, "%s! In file %s, '%s' was not found.\n", - "Warning", - fname, - "homedir"); - } - - config_destroy(&cfg); - fclose(file); } -/* +++++++++++++++++++++++++++++++++++++++++++++++ */ -void QKernel::Run_Prog() +/** + * Executes program. + * Additional window id displayed to set which code to execute. + */ +void QKernel::on_actionExecute_triggered() { - int i; - QString s(QFileDialog::getOpenFileName(progdir, "*.log", this)); - - if ( !s.isNull()) { - i = s.find(".log"); - - if (i>0) - s.remove(i,4); - - RunIntModule((char*)s.ascii(),0); + QString s = QFileDialog::getOpenFileName(this, "Execute", progdir, "*.log"); + + if (!s.isNull()) { + int i = s.indexOf(".log"); + + if (i > 0) + s.remove(i, 4); + + // @TODO: if no interpreter is running will result in killing app + RunIntModule((char*)s.toAscii().data(), 0); } } - -void QKernel::Edit() +/** + * Invokes editor program + */ +void QKernel::on_actionEditor_triggered() { - char cmd[255]; - sprintf(cmd, "%s/modules/logedit %s %s %s %s %s %s &", HomeDir, HomeDir, - myargs[0],myargs[1],myargs[2],myargs[3],myargs[4]); - system(cmd); + QString program = getHomeDir(); + program += "/modules/logedit"; + + pid_t pid = fork(); + if (pid == 0) { + if (execl(program.toStdString().c_str(), + getHomeDir(), + myargs[0], + myargs[1], + myargs[2], + myargs[3], + myargs[4], + NULL + ) == -1) { + WriteMessage("Executing logedit failed!"); + } + } + else if (pid < 0) { + WriteMessage("fork(logedit) failed!"); + WriteMessage("Exiting..."); + sleep(2); + on_actionQuit_triggered(); + exit(3); + } } -void QKernel::Help() +/** + * Invokes help program + */ +void QKernel::on_actionHelp_triggered() { - char cmd[255]; - sprintf(cmd, "%s/modules/loghelp %s/doc %s %s %s %s %s &", HomeDir, HomeDir, - myargs[0],myargs[1],myargs[2],myargs[3],myargs[4]); - system(cmd); + QString program = getHomeDir(); + program += "/modules/loghelp"; + + QString docDir = getHomeDir(); + docDir += "/doc"; + + pid_t pid = fork(); + if (pid == 0) { + if (execl(program.toStdString().c_str(), + docDir.toStdString().c_str(), + myargs[0], + myargs[1], + myargs[2], + myargs[3], + myargs[4], + NULL + ) == -1) { + + WriteMessage("Executing loghelp failed!"); + } + } + else if (pid < 0) { + WriteMessage("fork(loghelp) failed!"); + WriteMessage("Exiting..."); + sleep(2); + on_actionQuit_triggered(); + exit(3); + } } - +/** + * Invokes graphics module + */ void QKernel::RunGraphModule(char *sk) { - char cmd[255]; - - sprintf(cmd,"%s/modules/loggraph %s %s %s %s %s %s",HomeDir,sk, - myargs[0],myargs[1],myargs[2],myargs[3],myargs[4]); - strcat(cmd," &"); - - if (system(cmd)!=0) - WriteMessage("Cannot connect GRAPH resources"); + QString program = getHomeDir(); + program += "/modules/loggraph"; + + pid_t pid = fork(); + if (pid == 0) { + if (execl(program.toStdString().c_str(), + program.toStdString().c_str(), + sk, + myargs[0], + myargs[1], + myargs[2], + myargs[3], + myargs[4], + NULL + ) == -1) { + + WriteMessage("Executing loggraph failed!"); + WriteMessage("Exiting..."); + sleep(2); + on_actionQuit_triggered(); + } + } + else if (pid < 0) { + WriteMessage("fork(loggraph) failed!"); + WriteMessage("Exiting..."); + sleep(2); + on_actionQuit_triggered(); + exit(3); + } } - - +/** + * Invokes net module + */ void QKernel::RunNetModule() { struct sockaddr_un svr; - int len,on; + int len; + int on; int sock; - char cmd[255]; - sprintf(cmd, "%s/modules/lognet %s %s %s %s %s %s", HomeDir, NPATH, - myargs[0],myargs[1],myargs[2],myargs[3],myargs[4]); - strcat(cmd," &"); - /* -------- socket for NET module -------- */ - unlink(NPATH); - sock = socket(AF_UNIX,SOCK_STREAM,0); - bzero(&svr,sizeof(svr)); - svr.sun_family = AF_UNIX; - strcpy(svr.sun_path,NPATH); - len = strlen(svr.sun_path)+sizeof(svr.sun_family); - bind(sock,(struct sockaddr*)&svr, len); - listen(sock,5); - - if(system(cmd) == 0) { - net_sock = accept(sock,(struct sockaddr*)0,(unsigned int*)0); - // close(sock); - if (net_sock != 0) { - WriteMessage("NETWORK successfully connected"); - fcntl(net_sock,F_SETFL, O_NONBLOCK|fcntl(net_sock,F_GETFL,0)); - on=1; - setsockopt(net_sock,IPPROTO_TCP,TCP_NODELAY,(char*)&on,sizeof(on)); - } else { - WriteMessage("Cannot connect NETWORK resources"); + QString program = getHomeDir(); + program += "/modules/lognet"; + + pid_t pid = fork(); + if (pid == 0) { + if (execl(program.toStdString().c_str(), + program.toStdString().c_str(), + getNetModuleSocket(), + getConfigFilePath().toStdString().c_str(), + myargs[0], + myargs[1], + myargs[2], + myargs[3], + myargs[4], + NULL + ) == -1) { + + WriteMessage("Executing lognet failed!"); WriteMessage("Exiting..."); sleep(2); - QuitProc(); + on_actionQuit_triggered(); } - /* system OK */ + } + else if (pid < 0) { + WriteMessage("fork(lognet) failed!"); + WriteMessage("Exiting..."); + sleep(2); + on_actionQuit_triggered(); + exit(3); + } + + /* -------- socket for NET module -------- */ + unlink(getNetModuleSocket()); + sock = socket(AF_UNIX, SOCK_STREAM, 0); + bzero(&svr, sizeof(svr)); + svr.sun_family = AF_UNIX; + strcpy(svr.sun_path, getNetModuleSocket()); + len = strlen(svr.sun_path) + sizeof(svr.sun_family); + bind(sock, (struct sockaddr*)&svr, len); + listen(sock, 5); + + net_sock = accept(sock, (struct sockaddr*)0, (unsigned int*)0); + // close(sock); + if (net_sock != 0) { + WriteMessage("NETWORK successfully connected"); + fcntl(net_sock, F_SETFL, O_NONBLOCK|fcntl(net_sock, F_GETFL, 0)); + on = 1; + setsockopt(net_sock, IPPROTO_TCP, TCP_NODELAY, (char*)&on, sizeof(on)); } else { WriteMessage("Cannot connect NETWORK resources"); WriteMessage("Exiting..."); sleep(2); - QuitProc(); + on_actionQuit_triggered(); } } -void QKernel::Connect() +/** + * Connects to the specified address + * Additional window is displayed to connect to the specified address + */ +void QKernel::on_actionConnect_triggered() { - QDialog d(this,"",TRUE); - QLabel lab(&d,"IP Address:"); - QLineEdit ed(&d,""); - QPushButton ob(&d,""),cb(&d,""); MESSAGE m; - d.setFont(QFont("Helvetica",12,QFont::Bold)); - ob.setGeometry( 30, 60, 80, 30 ); - ob.setText( "Ok" ); - ob.setDefault(TRUE); - lab.setGeometry( 10, 10, 60, 30 ); - lab.setText( "Address" ); - ed.setGeometry( 70, 10, 140, 30 ); - cb.setGeometry( 130, 60, 80, 30 ); - cb.setText( "Cancel" ); - d.resize( 240, 100 ); - - connect(&ob,SIGNAL(clicked()),&d,SLOT(accept())); - connect(&cb,SIGNAL(clicked()),&d,SLOT(reject())); - if (d.exec()) { + dialog::ConnectDialog dialog(this); + dialog.setWindowTitle("IP Address:"); + + if (dialog.exec()) { m.msg_type = MSG_NET; m.param.pword[0] = NET_CONNECT_TO; - strcpy(m.param.pstr,ed.text()); - write(net_sock,&m,sizeof(MESSAGE)); + strcpy(m.param.pstr, dialog.getAddress().toStdString().c_str()); + write(net_sock, &m, sizeof(MESSAGE)); } } -void QKernel::Disconnect() +/** + * Disconnects from virtual machine + */ +void QKernel::on_actionDisconnect_triggered() { MESSAGE msg; @@ -505,153 +437,114 @@ void QKernel::Disconnect() write(net_sock, &msg, sizeof(MESSAGE)); } -void QKernel::QuitProc() +/** + * Quits process. Closes VLP. Shows additional window to confirm exit. + */ +void QKernel::on_actionQuit_triggered() { MESSAGE msg; - if (QMessageBox::question(this,"Close VLP","Terminate VLP ?",QMessageBox::Yes,QMessageBox::No,0) == QMessageBox::No ) - return; - - if (!LOCKED) { - /* - msg.msg_type = MSG_NET; - msg.param.pword[0] = NET_DISCONNECT; - write(net_sock,&msg,sizeof(MESSAGE));*/ - delete Net_Notify; - - msg.msg_type = MSG_NET; - msg.param.pword[0] = NET_EXIT; - write(net_sock,&msg,sizeof(MESSAGE)); - /* ::close(net_sock);*/ - - app->quit(); - } -} + QMessageBox::StandardButton response = QMessageBox::question(this, + "Close VLP", + "Terminate VLP ?", + QMessageBox::Ok | QMessageBox::Cancel + ); -void QKernel::AddAddress() -{ - QDialog d(this,"",TRUE); - QLabel lab(&d,"IP Address:"); - QLineEdit ed(&d,""); - QPushButton ob(&d,""),cb(&d,""); - - if (connections) { - ob.setGeometry( 30, 60, 80, 30 ); - ob.setText( "Ok" ); - ob.setDefault(TRUE); - lab.setGeometry( 10, 10, 60, 30 ); - lab.setText( "Address" ); - ed.setGeometry( 70, 10, 140, 30 ); - cb.setGeometry( 130, 60, 80, 30 ); - cb.setText( "Cancel" ); - d.resize( 240, 100 ); - connect(&ob,SIGNAL(clicked()),&d,SLOT(accept())); - connect(&cb,SIGNAL(clicked()),&d,SLOT(reject())); - if (d.exec()) - if (strcmp(ed.text(),"")!=0) { - connections->insertItem(ed.text()); - } - } -} -void QKernel::DelAddress() -{ - if(connections) { - if(connections->currentItem() != -1) - connections->removeItem(connections->currentItem()); + if (response == QMessageBox::Cancel) { + return; } + /* + msg.msg_type = MSG_NET; + msg.param.pword[0] = NET_DISCONNECT; + write(net_sock, &msg, sizeof(MESSAGE));*/ + delete Net_Notify; + + msg.msg_type = MSG_NET; + msg.param.pword[0] = NET_EXIT; + write(net_sock, &msg, sizeof(MESSAGE)); + /* ::close(net_sock);*/ + QApplication::instance()->quit(); } -void QKernel::MessageToNode() +/** + * Sends message to node. + * Additional window is displayed to set Node Number of node where send message, + * and textfield to enter message. + */ +void QKernel::on_actionMessage_triggered() { QDialog *dlg; QLineEdit *nodenr; MESSAGE m; - dlg = new QDialog(this,"Message",TRUE); + dlg = new QDialog(this, Qt::Dialog); + dlg->setWindowTitle("Send message to node"); - nodenr = new QLineEdit(dlg,"number"); - nodenr->setGeometry( 90, 10, 50, 30 ); + nodenr = new QLineEdit("number", dlg); + nodenr->setGeometry(90, 10, 50, 30); nodenr->setText(""); QLabel *tmpQLabel; - tmpQLabel = new QLabel( dlg, "Label_1" ); - tmpQLabel->setGeometry( 10, 10, 77, 30 ); - tmpQLabel->setText( "Node number:" ); + tmpQLabel = new QLabel("Node number:", dlg); + tmpQLabel->setGeometry(10, 10, 77, 30); - tmpQLabel = new QLabel( dlg, "Label_2" ); - tmpQLabel->setGeometry( 10, 50, 70, 30 ); - tmpQLabel->setText( "Message:" ); + tmpQLabel = new QLabel("Message:", dlg); + tmpQLabel->setGeometry(10, 50, 70, 30); QLineEdit *msg; - msg = new QLineEdit( dlg, "LineEdit_1" ); - msg->setGeometry( 80, 60, 330, 30 ); - msg->setText( "" ); + msg = new QLineEdit("", dlg); + msg->setGeometry(80, 60, 330, 30); QPushButton *ob; - ob = new QPushButton( dlg, "PushButton_1" ); - ob->setGeometry(230, 10, 80, 30 ); - ob->setText("Send"); + ob = new QPushButton("Send", dlg); + ob->setGeometry(230, 10, 80, 30); ob->setDefault(TRUE); QPushButton *cb; - cb = new QPushButton( dlg, "PushButton_2" ); + cb = new QPushButton("Cancel", dlg); cb->setGeometry(330, 10, 80, 30); - cb->setText("Cancel"); dlg->resize(430, 110); connect(ob, SIGNAL(clicked()), dlg, SLOT(accept())); - connect(cb, SIGNAL(clicked()), dlg, SLOT(reject())); - dlg->setCaption("Send message to node"); + connect(cb, SIGNAL(clicked()), dlg, SLOT(reject())); if (dlg->exec()) { m.msg_type = MSG_NET; m.param.pword[0] = NET_PROPAGATE; m.param.pword[1] = MSG_VLP; m.param.pword[2] = NodeNumber; - m.param.pword[4] = atoi(nodenr->text()); + m.param.pword[4] = atoi(nodenr->text().toAscii().data()); m.param.pword[6] = VLP_WRITE; - strcpy(m.param.pstr, msg->text()); + strcpy(m.param.pstr, msg->text().toAscii().data()); write(net_sock, &m, sizeof(MESSAGE)); } } -void QKernel::KillInterpreter() +/** + * Kills interpreter. + * Additional window is displayed to get ID of interpreter which should be + * killed. + */ +void QKernel::on_actionKill_triggered() { - QDialog *dlg; - QLineEdit *nodenr; - MESSAGE m; - InterpEntry *pom; + dialog::KillInterpreterDialog dialog(this); + dialog.setWindowTitle("Kill interpreter"); - dlg = new QDialog(this,"Message",TRUE); - - nodenr = new QLineEdit(dlg,"number"); - nodenr->setGeometry( 90, 10, 50, 30 ); - nodenr->setText(""); - - QLabel* tmpQLabel; - tmpQLabel = new QLabel( dlg, "Label_1" ); - tmpQLabel->setGeometry( 10, 10, 77, 30 ); - tmpQLabel->setText( "Interp. ID:" ); - QPushButton* ob,*cb; - ob = new QPushButton( dlg, "PushButton_1" ); - ob->setGeometry( 160, 10, 80, 30 ); - ob->setText( "Kill" ); - ob->setDefault(TRUE); - cb = new QPushButton( dlg, "PushButton_2" ); - cb->setGeometry( 260, 10, 80, 30 ); - cb->setText( "Cancel" ); - dlg->resize( 360, 50 ); - connect(ob,SIGNAL(clicked()),dlg,SLOT(accept())); - connect(cb,SIGNAL(clicked()),dlg,SLOT(reject())); - dlg->setCaption("Kill interpreter"); - if (dlg->exec()) { + if (dialog.exec()) { + MESSAGE m; m.msg_type = MSG_INT; m.param.pword[0] = INT_KILL; - pom = findINTbyID(atoi(nodenr->text())); - if(pom != NULL) { - if (!(pom->remote)) - write(pom->sock,&m,sizeof(MESSAGE)); - else WriteMessage("This is a remote instance of a program!"); + + InterpEntry *interpreter; + interpreter = findINTbyID(dialog.getInterpreterId()); + + if (interpreter != NULL) { + if (!(interpreter->remote)) { + write(interpreter->sock, &m, sizeof(MESSAGE)); + } + else { + WriteMessage("This is a remote instance of a program!"); + } } else { WriteMessage("Interpreter not found"); @@ -659,17 +552,21 @@ void QKernel::KillInterpreter() } } - - +/** + * Sends message to the net module. + */ void QKernel::NetMessage() { + + /* TODO: It has to be rewritten */ MESSAGE msg; int cnt; - char ss[255]; InterpEntry *pom; cnt = read(net_sock, &msg, sizeof(MESSAGE)); - if((cnt > 0) && (msg.msg_type == MSG_NET)) { + if ((cnt > 0) && (msg.msg_type == MSG_NET)) { + char ss[255]; + switch(msg.param.pword[0]) { case NET_CSWRITELN: WriteMessage(msg.param.pstr); @@ -679,29 +576,35 @@ void QKernel::NetMessage() case MSG_INT: /* pom = find_link_by_ID(msg.param.pword[5]); msg.msg_type = MSG_NET; - msg.param.pword[0] = NET_PROPAGATE; - send_int(pom,&msg);*/ + msg.param.pword[0] = NET_PROPAGATE; + send_int(pom, &msg);*/ break; case MSG_VLP: switch(msg.param.pword[6]) { case VLP_WRITE: QApplication::beep(); WriteMessage(CharLine); - WriteMessage("### Incoming Messsage ###"); - sprintf(ss,"Mesg from Node %d: %s",msg.param.pword[2],msg.param.pstr); + WriteMessage( + "### Incoming Messsage ###"); + sprintf(ss, "Mesg from Node %d: %s", + msg.param.pword[2], + msg.param.pstr); WriteMessage(ss); WriteMessage(CharLine); break; case VLP_REMOTE_INSTANCE: - sprintf(ss,"%s/%s",REMOTE_PATH,msg.param.pstr); + sprintf(ss, "%s/%s", getRemoteDir(), + msg.param.pstr); + if (info_messages) { WriteMessage("Running program:"); WriteMessage(ss); } - pom = RunIntModule(ss,1); - if (pom!=NULL) { + pom = RunIntModule(ss, 1); + if (pom != NULL) { pom->p_ctx.node = msg.param.pword[2]; - pom->p_ctx.program_id = msg.param.pword[7]; + pom->p_ctx.program_id = + msg.param.pword[7]; pom->RInstances[msg.param.pword[2]] = msg.param.pword[7]; } break; @@ -709,39 +612,43 @@ void QKernel::NetMessage() msg.msg_type = MSG_INT; msg.param.pword[0] = INT_CLOSE_INSTANCE; pom = findINTbyID(msg.param.pword[7]); - if (pom!=NULL) { - write(pom->sock,&msg,sizeof(MESSAGE)); + if (pom != NULL) { + write(pom->sock, &msg, + sizeof(MESSAGE)); MESSAGE m1; m1.msg_type = MSG_VLP; m1.param.pword[0] = VLP_INTERPRETER_DOWN; m1.param.pword[1] = pom->ID; - write(net_sock,&m1,sizeof(MESSAGE)); + write(net_sock, &m1, + sizeof(MESSAGE)); } else { WriteMessage("Instance not found"); } break; - } /* VLP switch */ + } /* VLP switch */ }/* switch */ break; - case NET_CONNECTIONS: ActiveConnections = msg.param.pword[1]; + case NET_CONNECTIONS: + ActiveConnections = msg.param.pword[1]; WriteMessage(msg.param.pstr); if (!synchro) - synchro=TRUE; + synchro = TRUE; break; case NET_INFO: + /* TODO: It has to be rewritten */ if (wait_for_info) { - QString poms,poms1,poms2; - poms.sprintf("%s",msg.param.pstr); - while (poms.length()>0) { - cnt=poms.find(';'); + QString poms, poms1, poms2; + poms.sprintf("%s", msg.param.pstr); + while (poms.length() > 0) { + cnt = poms.indexOf(';'); if (cnt!=-1) { - poms1=poms.left(cnt); - poms=poms.right(poms.length()-cnt-1); - cnt=poms1.find('='); - if (cnt!=-1) { - poms2=poms1.left(cnt); - poms1=poms1.right(poms1.length()-cnt-1); - sprintf(ss,"Node: %s Addr: %s",poms2.data(),poms1.data()); + poms1 = poms.left(cnt); + poms = poms.right(poms.length() - cnt - 1); + cnt = poms1.indexOf('='); + if (cnt != -1) { + poms2 = poms1.left(cnt); + poms1 = poms1.right(poms1.length() - cnt - 1); + sprintf(ss, "Node: %s Addr: %s", poms2.toStdString().c_str(), poms1.toStdString().c_str()); WriteMessage(ss); } } @@ -749,20 +656,24 @@ void QKernel::NetMessage() } break; case NET_INFO_END: - wait_for_info=FALSE; + wait_for_info = FALSE; WriteMessage(CharLine); break; } /* switch */ } } +/** + * Sends message to the interpreter program. + * @param sock Interpreter socket to whom the message will be send. + */ void QKernel::IntMessage(int sock) { MESSAGE msg; int cnt; InterpEntry *e; - cnt = read(sock,&msg,sizeof(MESSAGE)); + cnt = read(sock, &msg, sizeof(MESSAGE)); e = findINTbySocket(sock); if ((cnt > 0) && (e != NULL)) { switch (msg.msg_type) { @@ -777,7 +688,7 @@ void QKernel::IntMessage(int sock) case MSG_VLP: switch(msg.param.pword[0]) { case VLP_REMOTE_INSTANCE_PLEASE: - RemoteInstance(e,msg.param.pword[2]); + RemoteInstance(e, msg.param.pword[2]); break; }/* switch */ break; @@ -790,15 +701,18 @@ void QKernel::IntMessage(int sock) m.msg_type = MSG_VLP; m.param.pword[0] = VLP_INTERPRETER_DOWN; m.param.pword[1] = e->ID; - write(net_sock,&m,sizeof(MESSAGE)); - if(e->remote == 0) + write(net_sock, &m, sizeof(MESSAGE)); + if (e->remote == 0) CloseInstances(e); delete e->notify; - ::close(e->sock); - Interpreters.remove(e); + ::close(e->sock); + /* TODO: Check this */ + Interpreters.removeOne(e); delete e; + if (info_messages) { - sprintf(ss,"%s : End of program execution",msg.param.pstr); + sprintf(ss, "%s : End of program " + "execution", msg.param.pstr); WriteMessage(ss); } break; @@ -809,477 +723,360 @@ void QKernel::IntMessage(int sock) msg.param.pword[2] = e->ID; if (e->remote) { msg.param.pword[3] = e->p_ctx.node; - msg.param.pword[4] = e->p_ctx.program_id; + msg.param.pword[4] = + e->p_ctx.program_id; } write(sock, &msg, sizeof(MESSAGE)); break; }; - break; /* switch param.pword[0] */ - } /* switch type */ - } /* if */ + break; + } + } } -void QKernel::WriteMessage(char *msg) +/** + * Writes message to kernel logger. + * @parame msg String with message to log + */ +void QKernel::WriteMessage(const char *msg) { int x; - int y; +// int y; + x = desktop->textCursor().blockNumber(); +// y = desktop->textCursor().columnNumber(); - desktop->getCursorPosition(&x,&y); - if(x > 100) { + if (x > 100) { desktop->clear(); } desktop->setReadOnly(FALSE); desktop->append(msg); desktop->setReadOnly(TRUE); - desktop->setCursorPosition(desktop->numLines(),1); + + QTextCursor tmpCursor = desktop->textCursor(); + tmpCursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor); + desktop->setTextCursor(tmpCursor); + desktop->repaint(); - if (desktop->numLines()>100) { + if (desktop->document()->blockCount() > 100) { desktop->clear(); } } -void QKernel::SetMessages() +/** + * Adds checkbox to menu item. If it is checked additional info messages are + * shown. + */ +void QKernel::on_actionInfo_messages_triggered() { - if (p2 != NULL) { - if (p2->isItemChecked(msgid)) { - p2->setItemChecked(msgid,FALSE); - info_messages=FALSE; - } else { - p2->setItemChecked(msgid,TRUE); - info_messages=TRUE; - } - } /* !=NULL */ - /* bar->repaint(); */ + if (toolsMenu != NULL) { + info_messages = actionInfo_messages->isChecked(); + actionInfo_messages->setChecked(info_messages); + } } -void QKernel::SetOptions() +/** + * Allows to set options in GUI window. + * Additional window is displayed to set kernel options which are saved in + * vlp.cfg file in kernel executable directory. + */ +void QKernel::on_actionOptions_triggered() { - QDialog dlg(this,"Options",TRUE); - ConnectEntry *e; - unsigned int i; + dialog::OptionsDialog optionsDialog(getConfigFilePath(), this); + if (optionsDialog.exec()) { + optionsDialog.saveConfig(getConfigFilePath()); - QLineEdit* progs; - progs = new QLineEdit( &dlg, "progs" ); - progs->setGeometry( 150, 20, 180, 30 ); - progs->setText(progdir); - - QLabel* tmpQLabel; - tmpQLabel = new QLabel( &dlg, "Label_1" ); - tmpQLabel->setGeometry( 30, 20, 120, 30 ); - tmpQLabel->setText( "Programs directory" ); - - QFrame* tmpQFrame; - tmpQFrame = new QFrame( &dlg, "Frame_2" ); - tmpQFrame->setGeometry( 10, 60, 380, 30 ); - tmpQFrame->setFrameStyle( 52 ); - - tmpQLabel = new QLabel( &dlg, "Label_2" ); - tmpQLabel->setGeometry( 10, 80, 340, 30 ); - tmpQLabel->setText( "Virtual Processor properties (activated after restarting VLP):" ); - - QLineEdit *nn; - char nns[256]; - nn = new QLineEdit( &dlg, "LineEdit_2" ); - nn->setGeometry( 110, 110, 40, 30 ); - sprintf(nns,"%d",NodeNumber); - nn->setText(nns); - - tmpQLabel = new QLabel( &dlg, "Label_3" ); - tmpQLabel->setGeometry( 20, 110, 90, 30 ); - tmpQLabel->setText( "Node number:" ); - - QRadioButton *exp,*reg; - exp = new QRadioButton( &dlg, "RadioButton_3" ); - exp->setGeometry( 30, 170, 100, 30 ); - exp->setText( "Explicit" ); - exp->setChecked( TRUE ); - - reg = new QRadioButton( &dlg, "RadioButton_4" ); - reg->setGeometry( 30, 200, 100, 30 ); - reg->setText( "Registration" ); - reg->setEnabled(FALSE); - - connections = new QListBox( &dlg, "ListBox_1" ); - connections->setGeometry( 170, 140, 130, 100 ); - e = ConnectList.first(); - while(e != NULL) { - connections->insertItem(e->addr); - e = ConnectList.next(); - } - - tmpQLabel = new QLabel( &dlg, "Label_5" ); - tmpQLabel->setGeometry( 170, 110, 100, 30 ); - tmpQLabel->setText( "Connection list:" ); - - QPushButton* addbtn,*delbtn,*okbtn,*cancelbtn; - addbtn = new QPushButton( &dlg, "PushButton_1" ); - addbtn->setGeometry( 310, 150, 60, 30 ); - addbtn->setText( "Add" ); - delbtn = new QPushButton( &dlg, "PushButton_2" ); - delbtn->setGeometry( 310, 200, 60, 30 ); - delbtn->setText( "Del" ); - connect(addbtn,SIGNAL(clicked()),this,SLOT(AddAddress())); - connect(delbtn,SIGNAL(clicked()),this,SLOT(DelAddress())); - okbtn = new QPushButton( &dlg, "PushButton_3" ); - okbtn->setGeometry( 80, 260, 100, 30 ); - okbtn->setText( "Ok" ); - okbtn->setDefault(TRUE); - cancelbtn = new QPushButton( &dlg, "PushButton_4" ); - cancelbtn->setGeometry( 210, 260, 100, 30 ); - cancelbtn->setText( "Cancel" ); - connect(okbtn,SIGNAL(clicked()),&dlg,SLOT(accept())); - connect(cancelbtn,SIGNAL(clicked()),&dlg,SLOT(reject())); - QButtonGroup* group; - group = new QButtonGroup( &dlg, "ButtonGroup_1" ); - group->setGeometry( 20, 150, 120, 90 ); - group->setTitle( "Connection type" ); - group->setAlignment( 1 ); - group->lower(); - group->insert(exp,1); - group->insert(reg,2); - - dlg.resize( 400, 310 ); - if(dlg.exec()) { - config_t cfg; - config_setting_t *root, *setting; - config_init(&cfg); - - root = config_root_setting(&cfg); - - setting = config_setting_add(root, "progdir", CONFIG_TYPE_STRING); - config_setting_set_string(setting, progs->text().ascii()); - strcpy(progdir,progs->text()); - - setting = config_setting_add(root, "node_number", CONFIG_TYPE_INT); - config_setting_set_int(setting, atoi(nn->text())); - - setting = config_setting_add(root, "homedir", CONFIG_TYPE_STRING); - config_setting_set_string(setting, HomeDir); - - setting = config_setting_add(root, "type", CONFIG_TYPE_STRING); - if (exp->isChecked()) { - config_setting_set_string(setting, "explicit"); - - config_setting_t *hosts = NULL; - hosts = config_setting_add(root, "host", CONFIG_TYPE_ARRAY); - for(i=0;icount();i++) { - setting = config_setting_add(hosts, NULL, CONFIG_TYPE_STRING); - config_setting_set_string(setting, connections->text(i).ascii()); - } - } else { - config_setting_set_string(setting, "register"); - } - - if(!config_write_file(&cfg, "vlp.cfg")) { - fprintf(stderr, "Error while writing to file: %s.\n", "vlp.cfg"); - } - config_destroy(&cfg); + loadConfig(getConfigFilePath()); } } -void QKernel::LockConsole() +/** + * Locks kernel program. + * Additional window is displayed to enter password and retype it. If both are + * same kernel window is locked. + */ +void QKernel::on_actionLock_console_triggered() { - QDialog d(this,"Enter password",TRUE); - QLabel lab(&d,"Password"); - QLineEdit ed(&d,""); - QPushButton ob(&d,""),cb(&d,""); - - d.setCaption("Lock console"); - ob.setGeometry( 30, 60, 80, 30 ); - ob.setText( "Ok" ); - ob.setDefault(TRUE); - lab.setGeometry( 10, 10, 60, 30 ); - lab.setText( "Password:" ); - ed.setGeometry( 70, 10, 140, 30 ); - ed.setEchoMode(QLineEdit::Password); - cb.setGeometry( 130, 60, 80, 30 ); - cb.setText( "Cancel" ); - d.resize( 240, 100 ); - connect(&ob,SIGNAL(clicked()),&d,SLOT(accept())); - connect(&cb,SIGNAL(clicked()),&d,SLOT(reject())); - - if (d.exec()) { - if (strcmp(ed.text(),"")!=0) { - strcpy(LockPasswd,ed.text()); - lab.setText("Retype:"); - ed.setText(""); - if (d.exec()) { - if (strcmp(ed.text(),LockPasswd)==0) { - bar->setItemEnabled(qid,FALSE); - bar->setItemEnabled(prid,FALSE); - bar->setItemEnabled(mid,FALSE); - p2->setItemEnabled(unlockid,TRUE); - p2->setItemEnabled(lockid,FALSE); - p2->setItemEnabled(cwid,FALSE); - p2->setItemEnabled(optid,FALSE); - bar->repaint(); + dialog::LockDialog lockDialog(this); + + if (lockDialog.exec()) { + QString password = lockDialog.getPassword(); + if (lockDialog.getPassword().size() > 0) { + strcpy(LockPasswd, password.toStdString().c_str()); + lockDialog.retype(); + + if (lockDialog.exec()) { + password = lockDialog.getPassword(); + if (password == LockPasswd) { + setLocked(TRUE); WriteMessage("CONSOLE LOCKED"); - LOCKED = TRUE; } else { QMessageBox msg(this); msg.setText("Not matching!"); - msg.setButtonText(0,"Close"); + msg.setButtonText(0, "Close"); msg.show(); - } + strcpy(LockPasswd, ""); + } } else { - strcpy(LockPasswd,""); + strcpy(LockPasswd, ""); } } } } -void QKernel::UnlockConsole() +/** + * Unlocks kernel program. + * Additional window is displayed to enter password. If it is correct, kernel + * window is unlocked + */ +void QKernel::on_actionUnlock_console_triggered() { - QDialog d(this,"Enter password",TRUE); - QLabel lab(&d,"Password"); - QLineEdit ed(&d,""); - QPushButton ob(&d,""),cb(&d,""); - - ob.setGeometry( 30, 60, 80, 30 ); - ob.setText( "Ok" ); - ob.setDefault(TRUE); - lab.setGeometry( 10, 10, 60, 30 ); - lab.setText( "Password:" ); - ed.setGeometry( 70, 10, 140, 30 ); - ed.setEchoMode(QLineEdit::Password); - cb.setGeometry( 130, 60, 80, 30 ); - cb.setText( "Cancel" ); - d.resize( 240, 100 ); - connect(&ob,SIGNAL(clicked()),&d,SLOT(accept())); - connect(&cb,SIGNAL(clicked()),&d,SLOT(reject())); - - if (d.exec()) { - if (strcmp(ed.text(), LockPasswd) == 0) { - bar->setItemEnabled(qid,TRUE); - bar->setItemEnabled(prid,TRUE); - bar->setItemEnabled(mid,TRUE); - p2->setItemEnabled(unlockid,FALSE); - p2->setItemEnabled(lockid,TRUE); - p2->setItemEnabled(cwid,TRUE); - p2->setItemEnabled(optid,TRUE); - bar->repaint(); + dialog::LockDialog lockDialog(this); + + if (lockDialog.exec()) { + QString password = lockDialog.getPassword(); + if (strcmp(password.toStdString().c_str(), LockPasswd) == 0) { + setLocked(FALSE); WriteMessage("CONSOLE UNLOCKED"); - LOCKED = FALSE; } else { QMessageBox msg(this); msg.setText("Wrong password!"); - msg.setButtonText(0,"Close"); + msg.setButtonText(0, "Close"); msg.show(); - } + } } } -void QKernel::InitMessage() -{ - WriteMessage("\n Virtual LOGLAN Processor - ver 1.9: READY \n"); -} - - - +/** + * Finds Interpreter by its socket + * @param _id ID of the socket + * @return returns pointer to the found interpreter slot. NULL otherwise + */ InterpEntry *QKernel::findINTbySocket(int _id) { - InterpEntry *pom; - pom = Interpreters.first(); - - while (pom != NULL) { - if (pom->sock == _id) + InterpEntry *pom = NULL; + + for (auto interpreter : Interpreters) { + if (interpreter->sock == _id) { + pom = interpreter; break; - - pom = Interpreters.next(); + } } - return(pom); + + return pom; } +/** + * Finds Interpreter by its ID. + * @param _id ID of the interpreter + * @return returns pointer to the found interpreter slot. NULL otherwise + */ InterpEntry *QKernel::findINTbyID(int _id) { - InterpEntry *pom; - pom = Interpreters.first(); - while (pom != NULL) { - if (pom->ID == _id) + InterpEntry *pom = NULL; + + for (auto interpreter : Interpreters) { + if (interpreter->ID == _id) { + pom = interpreter; break; - pom = Interpreters.next(); + } } - return(pom); -} + return pom; +} -/* ------------------ Connect INT module -----------------*/ +/** + * Connects interpreter + * @param ss full filepath with filename but without extension of the loglan + * program to run. + * @param r Interpreter execution mode. 0 if it will be local instance, 1 if + * remote + * @return Returns pointer to newly created interpreter slot, or NULL on error. + */ InterpEntry *QKernel::RunIntModule(char *ss, int r) { - char a[256],b[255]; - struct sockaddr_un svr; - int len,sock,i,on; - int newint=-1; - char cmd[255]; - FILE *cf; - MESSAGE msg; - InterpEntry *newINT; - + char a[256], b[255]; + struct sockaddr_un svr; + int len, sock, on; + unsigned int i; + int newint=-1; + char cmd[255]; + FILE *cf; + MESSAGE msg; + InterpEntry *newINT = NULL; + + strcpy(a, ss); + strcat(a, ".ccd"); + cf = fopen(a, "r"); + if (cf == NULL) { + WriteMessage("File not found: no .ccd file"); + return NULL; + } + fclose(cf); + + strcpy(a, ss); + strcat(a, ".pcd"); + cf = fopen(a, "r"); + if (cf == NULL) { + WriteMessage("File not found: no .pcd file"); + return NULL; + } + fclose(cf); + + newINT = new InterpEntry; + for(i = 0; i < MAXINSTANCES; i++) + newINT->RInstances[i] =- 1; + + strcpy(b, rindex(ss, '/')); + for(i = 0; i < strlen(b); i++) + b[i] = b[i+1]; + if (info_messages) { + sprintf(a, "%s : Start execution", b); + WriteMessage(a); + } + newint = freeINTid; + freeINTid++; + newINT->ID = newint; + strcpy(newINT->shortname, b); + strcpy(newINT->fullname, ss); + + sprintf(a, "%s%d", IPATH, newint); + sprintf(cmd, "%s/modules/logint %s %s", + getHomeDir(), + a, + ss); + if (r) { + strcat(cmd, " r"); + } + sprintf(b, " %s %s %s %s %s", + myargs[0], myargs[1], myargs[2], myargs[3], myargs[4]); + strcat(cmd, b); + strcat(cmd, " &"); + + sock = socket(AF_UNIX, SOCK_STREAM, 0); + unlink(a); + bzero(&svr, sizeof(svr)); + svr.sun_family = AF_UNIX; + strcpy(svr.sun_path, a); + len = strlen(svr.sun_path)+sizeof(svr.sun_family); + bind(sock, (struct sockaddr*)&svr, len); + listen(sock, 5); + system(cmd); + newINT->sock = accept(sock, (struct sockaddr*)0, (unsigned int *)0); + //::close(sock); + + if (newINT->sock > 0) { + fcntl(newINT->sock, F_SETFL, + O_NONBLOCK|fcntl(newINT->sock, F_GETFL, 0)); + on=1; + setsockopt(newINT->sock, IPPROTO_TCP, TCP_NODELAY, (char*)&on, + sizeof(on)); + if (r) + newINT->remote = 1; + else + newINT->remote = 0; + + bzero(&msg, sizeof(MESSAGE)); + msg.msg_type = MSG_VLP; + msg.param.pword[0] = VLP_REGINT; + msg.param.pword[1] = newINT->ID; + sprintf(msg.param.pstr, "logi%d.net", newint); + write(net_sock, &msg, sizeof(MESSAGE)); + + Interpreters.append(newINT); + newINT->notify = new QSocketNotifier(newINT->sock, + QSocketNotifier::Read); + connect(newINT->notify, SIGNAL(activated(int)), this, + SLOT(IntMessage(int))); + if (info_messages) + WriteMessage("INTERPRETER successfully connected"); + } else { + WriteMessage("Cannot connect interpreter"); + } - newINT = NULL; - - strcpy(a,ss); - strcat(a,".ccd"); - cf = fopen(a,"r"); - if (cf == NULL) {WriteMessage("File not found: no .ccd file");return(NULL);} - fclose(cf); - - strcpy(a,ss); - strcat(a,".pcd"); - cf = fopen(a,"r"); - if (cf == NULL) {WriteMessage("File not found: no .pcd file");return(NULL);} - fclose(cf); - - newINT = new InterpEntry; - for(i=0;iRInstances[i]=-1; - - strcpy(b,rindex(ss,'/')); - for(i=0;iID = newint; - strcpy(newINT->shortname,b); - strcpy(newINT->fullname,ss); - - sprintf(a,"%s%d",IPATH,newint); - sprintf(cmd,"%s/modules/logint %s %s",HomeDir,a,ss); - if (r) strcat(cmd," r"); - sprintf(b," %s %s %s %s %s",myargs[0],myargs[1],myargs[2],myargs[3],myargs[4]); - strcat(cmd,b); - strcat(cmd," &"); - - - sock = socket(AF_UNIX,SOCK_STREAM,0); - unlink(a); - bzero(&svr, sizeof(svr)); - svr.sun_family = AF_UNIX; - strcpy(svr.sun_path,a); - len = strlen(svr.sun_path)+sizeof(svr.sun_family); - bind(sock,(struct sockaddr*)&svr, len); - listen(sock,5); - system(cmd); - newINT->sock = accept(sock,(struct sockaddr*)0,(unsigned int *)0); - //::close(sock); - - - if (newINT->sock>0) + return newINT; +} + +/** + * Allocates remote instance of interpreter + * @param interp Interpreter slot + * @param on Node Number + */ +void QKernel::RemoteInstance(InterpEntry *interp, int on) { + MESSAGE m; - fcntl(newINT->sock,F_SETFL, - O_NONBLOCK|fcntl(newINT->sock,F_GETFL,0)); - on=1; - setsockopt(newINT->sock,IPPROTO_TCP,TCP_NODELAY,(char*)&on,sizeof(on)); - if (r) newINT->remote = 1;else newINT->remote=0; - - bzero(&msg,sizeof(MESSAGE)); - msg.msg_type = MSG_VLP; - msg.param.pword[0] = VLP_REGINT; - msg.param.pword[1] = newINT->ID; - sprintf(msg.param.pstr,"logi%d.net",newint); - write(net_sock,&msg,sizeof(MESSAGE)); - - Interpreters.append(newINT); - newINT->notify = new QSocketNotifier(newINT->sock,QSocketNotifier::Read); - connect(newINT->notify,SIGNAL(activated(int)),this,SLOT(IntMessage(int))); - if (info_messages) WriteMessage("INTERPRETER successfully connected"); - -} - else WriteMessage("Cannot connect interpreter"); - - return(newINT); + m.msg_type = MSG_NET; + m.param.pword[0] = NET_NODE_EXIST; + m.param.pword[1] = on; + m.param.pword[2] = interp->ID; + write(net_sock, &m, sizeof(MESSAGE)); + bzero(&m, sizeof(MESSAGE)); + while((m.msg_type!=MSG_NET) && (m.param.pword[0]!=NET_NODE_EXIST)) + read(net_sock, &m, sizeof(MESSAGE)); -} + /* means node exists */ + if (m.param.pword[1] == 1) { + m.msg_type = MSG_NET; + m.param.pword[0] = NET_TRANSMIT_CODE; + m.param.pword[1] = interp->ID; + m.param.pword[2] = on; + strcpy(m.param.pstr, interp->fullname); + write(net_sock, &m, sizeof(MESSAGE)); -/* ---------------------------------------------------------*/ -/* Allocate remote instance */ + Net_Notify->setEnabled(FALSE); + while ((m.msg_type != MSG_NET) || + (m.param.pword[0] != NET_TRANSMITTED)) + read(net_sock, &m, sizeof(MESSAGE)); -void QKernel::RemoteInstance(InterpEntry *interp, int on) -{ - MESSAGE m; - char s[255]; - - - m.msg_type = MSG_NET; - m.param.pword[0] = NET_NODE_EXIST; - m.param.pword[1] = on; - m.param.pword[2] = interp->ID; - write(net_sock,&m,sizeof(MESSAGE)); - bzero(&m,sizeof(MESSAGE)); - while( (m.msg_type!=MSG_NET) && (m.param.pword[0]!=NET_NODE_EXIST) ) - read(net_sock,&m,sizeof(MESSAGE)); - -if (m.param.pword[1]==1) /* means node exists */ -{ - m.msg_type = MSG_NET; - m.param.pword[0] = NET_TRANSMIT_CODE; - m.param.pword[1] = interp->ID; - m.param.pword[2] = on; - strcpy(m.param.pstr,interp->fullname); - write(net_sock,&m,sizeof(MESSAGE)); - - Net_Notify->setEnabled(FALSE); - while ( (m.msg_type != MSG_NET) || (m.param.pword[0]!=NET_TRANSMITTED) ) - read(net_sock,&m,sizeof(MESSAGE)); - - - m.msg_type = MSG_NET; - m.param.pword[0] = NET_PROPAGATE; - m.param.pword[1] = MSG_VLP; - m.param.pword[2] = NodeNumber; - m.param.pword[3] = 0; - m.param.pword[4] = on; - m.param.pword[5] = 0; - m.param.pword[6] = VLP_REMOTE_INSTANCE; - m.param.pword[7] = interp->ID; - strcpy(m.param.pstr,interp->shortname); - write(net_sock,&m,sizeof(MESSAGE)); - - read(net_sock,&m,sizeof(MESSAGE)); - while (1) - { - if ( (m.param.pword[0]==NET_PROPAGATE) && (m.param.pword[6] == VLP_REMOTE_INSTANCE_OK)) - { - interp->RInstances[on] = m.param.pword[7]; - break; - } - read(net_sock,&m,sizeof(MESSAGE)); - } - - Net_Notify->setEnabled(TRUE); - - /*bzero(&m,sizeof(MESSAGE));*/ - m.msg_type = MSG_VLP; - m.param.pword[0] = VLP_REMOTE_INSTANCE_HERE; - m.param.pword[1] = interp->RInstances[on]; - write(interp->sock,&m,sizeof(MESSAGE)); -} - else /* There is no such a node! */ -{ - sprintf(s,"Warning: Node number %d not found!",on); - WriteMessage(s); - WriteMessage("Allocating O-process on the local node"); - bzero(&m,sizeof(MESSAGE)); - m.msg_type = MSG_VLP; - m.param.pword[0] = VLP_REMOTE_INSTANCE_HERE; - m.param.pword[1] = interp->ID; - write(interp->sock,&m,sizeof(MESSAGE)); -} -} + m.msg_type = MSG_NET; + m.param.pword[0] = NET_PROPAGATE; + m.param.pword[1] = MSG_VLP; + m.param.pword[2] = NodeNumber; + m.param.pword[3] = 0; + m.param.pword[4] = on; + m.param.pword[5] = 0; + m.param.pword[6] = VLP_REMOTE_INSTANCE; + m.param.pword[7] = interp->ID; + strcpy(m.param.pstr, interp->shortname); + write(net_sock, &m, sizeof(MESSAGE)); + read(net_sock, &m, sizeof(MESSAGE)); + while (1) { + if ((m.param.pword[0] == NET_PROPAGATE) && + (m.param.pword[6] == VLP_REMOTE_INSTANCE_OK)) { + interp->RInstances[on] = m.param.pword[7]; + break; + } + read(net_sock, &m, sizeof(MESSAGE)); + } -/*-----------------------------------------------*/ -/* Close all remote instances */ + Net_Notify->setEnabled(TRUE); + + /*bzero(&m, sizeof(MESSAGE));*/ + m.msg_type = MSG_VLP; + m.param.pword[0] = VLP_REMOTE_INSTANCE_HERE; + m.param.pword[1] = interp->RInstances[on]; + write(interp->sock, &m, sizeof(MESSAGE)); + } else { /* There is no such a node! */ + char s[255]; + sprintf(s, "Warning: Node number %d not found!", on); + WriteMessage(s); + WriteMessage("Allocating O-process on the local node"); + bzero(&m, sizeof(MESSAGE)); + m.msg_type = MSG_VLP; + m.param.pword[0] = VLP_REMOTE_INSTANCE_HERE; + m.param.pword[1] = interp->ID; + write(interp->sock, &m, sizeof(MESSAGE)); + } +} +/** + * Closes all remote instances + */ void QKernel::CloseInstances(InterpEntry *e) { MESSAGE msg; @@ -1297,12 +1094,14 @@ void QKernel::CloseInstances(InterpEntry *e) msg.param.pword[4] = i; msg.param.pword[6] = VLP_CLOSE_INSTANCE; msg.param.pword[7] = e->RInstances[i]; - write(net_sock,&msg,sizeof(MESSAGE)); + write(net_sock, &msg, sizeof(MESSAGE)); } } - -void QKernel::Info() +/** + * Displays information about virtual machine + */ +void QKernel::on_actionInfo_triggered() { MESSAGE m; @@ -1314,23 +1113,23 @@ void QKernel::Info() wait_for_info = TRUE; } -#include "kernel.moc" +} +} -int main( int argc, char **argv ) +/** + * Program main function + * All program arguments but the first one (argv[0]: program name) are saved and + * passed to all dependent programs on their invocation. + * @param argc Number of program arguments + * @param argv Program arguments + */ +int main(int argc, char **argv) { - int i; - for(i=0; i < 5; i++) { - strcpy(myargs[i],""); - } - for(i=1; i < argc; i++) { - strcpy(myargs[i-1],argv[i]); - } + XInitThreads(); - app = new QApplication(argc, argv); - app->setStyle(new QWindowsStyle()); - QKernel kernel; - app->setMainWidget(&kernel); - draw.show(); - draw.InitMessage(); + QApplication * app = new QApplication(argc, argv); + loglan::vlp::QKernel kernel(argc, argv); + kernel.show(); + return app->exec(); -} +} \ No newline at end of file