X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fkernel%2Fkernel.cpp;h=16bda4f4ed2546a6526d2367b966c5ec947a69be;hb=be7bf40bdbcbfc6329abc4e5465cfa2b382e2ce7;hp=1de50aff97eb9ab5abbc24186abc000eebc1faae;hpb=c9891297216d595885f30300bfde65c90957912b;p=vlp.git diff --git a/src/kernel/kernel.cpp b/src/kernel/kernel.cpp index 1de50af..16bda4f 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. @@ -72,7 +72,9 @@ #include #include -#include "AppConfiguration.h" + +/* File resides in top directory (where are Makefiles)*/ +#include "../../config.h" #define GPATH "loggr" #define IPATH "logi" @@ -87,1265 +89,1437 @@ #define NORM_COL 2 -char CharLine[25]="________________________"; +char CharLine[25] = "________________________"; char myargs[5][255]; - -/* --------------- interpreter slot -----------------*/ -class InterpEntry -{ +/** + * 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 + /** Interpreter identifier */ + int ID; + /** Defines if interpreter is remote or not */ + bool remote; + /* Program name */ + char fullname[255]; + char shortname[255]; + + /* Socket */ + int sock; + QSocketNotifier *notify; + /* IDs of my remote INT modules */ + int RInstances[MAXINSTANCES]; + /* Parent interpreter info */ + ctx_struct p_ctx; }; -/*++++++++++++++++++++++++++++++++++++++++++*/ -/*----------------- connection slot -------------*/ -class ConnectEntry -{ +/** + * Connection slot + */ +class ConnectEntry { public: - char addr[256]; - ConnectEntry(char *s) {strcpy(addr,s);}; + char addr[256]; + + ConnectEntry(char *s) { + strcpy(addr, s); + }; }; -/* ++++++++++++++++++++++++++++++++++++++++++ */ - QApplication *app; - -/* ---------------------------------------------------------- */ -/* KERNEL CLASS DEFINITION */ -/* ---------------------------------------------------------- */ - -class QKernel : public QFrame -{ - Q_OBJECT +/** + * Kernel class + */ +class QKernel : public QFrame { + Q_OBJECT public: + QMultiLineEdit *desktop; + QMenuBar *bar; + QPopupMenu *p; + QPopupMenu *p1; + QPopupMenu *p2; + char progdir[256]; + int NodeNumber; + int ConType; - QMultiLineEdit *desktop; - QMenuBar *bar; - QPopupMenu *p,*p1,*p2; - char progdir[256]; - int NodeNumber,ConType; - - - QKernel(); - - - virtual void resizeEvent( QResizeEvent *ev ); + QKernel(); - void WriteMessage(char* msg); - void InitMessage(); + 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(); + 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 ); + 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*); - - + QList Interpreters; + QList ConnectList; + QListBox *connections; + + /** + * number of working interpreters + */ + int Tasks; + + /** + * number of connected VLPs + */ + int ActiveConnections; + bool LOCKED; + bool synchro; + bool wait_for_info; + char LockPasswd[25]; + int lockid; + int unlockid; + int qid; + int cwid; + int optid; + int prid; + int mid; + int msgid; + int toolsid; + int 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 ) { - e->ignore(); +/** + * Event invoked on program close. + * Closes application. Displays additional window to confirm exit. + */ +void QKernel::closeEvent(QCloseEvent * e) +{ + QuitProc(); } +/** + * Kernel program constructor. + * Prepares everything to work. + */ QKernel::QKernel() { - 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]; - - 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); - - qid = bar->insertItem("&Quit",this,SLOT(QuitProc())); - p->setFont(f); - - desktop = new QMultiLineEdit(this,"desktop"); - desktop->setAutoUpdate(TRUE); - desktop->setReadOnly(TRUE); - desktop->setFont(f1); - - resize(400,200); - Tasks = 0; - freeINTid = 1; - ActiveConnections = 0; - strcpy(LockPasswd,""); - LoadConfig("vlp.cfg"); - RunNetModule(); - - Net_Notify = new QSocketNotifier(net_sock,QSocketNotifier::Read,this); - connect(Net_Notify,SIGNAL(activated(int)),this,SLOT(NetMessage())); - + 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]; + + if (!q.exists()) { + sprintf(ss, "mkdir %s", REMOTE_PATH); + system(ss); + } + + info_messages = TRUE; + wait_for_info = FALSE; + + setCaption(PACKAGE_NAME); + 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); + + qid = bar->insertItem("&Quit", this, SLOT(QuitProc())); + p->setFont(f); + + desktop = new QMultiLineEdit(this, "desktop"); + desktop->setAutoUpdate(TRUE); + desktop->setReadOnly(TRUE); + desktop->setFont(f1); + + resize(400, 200); + Tasks = 0; + freeINTid = 1; + ActiveConnections = 0; + strcpy(LockPasswd, ""); + LoadConfig("vlp.cfg"); + RunNetModule(); + + Net_Notify = new QSocketNotifier(net_sock, QSocketNotifier::Read, this); + connect(Net_Notify, SIGNAL(activated(int)), this, SLOT(NetMessage())); } - -void QKernel::resizeEvent( QResizeEvent *ev ) +/** + * Event invoked on resizing kernel application window. + * @copydoc QWidget::resizeEvent(QResizeEvent*) + */ +void QKernel::resizeEvent(QResizeEvent *ev) { - QFrame::resizeEvent(ev); - if ( desktop ) - desktop->setGeometry( 0,bar->height(), width(), height() - bar->height() ); + QFrame::resizeEvent(ev); + if (desktop) + desktop->setGeometry(0, bar->height(), width(), + height() - bar->height()); } - - - +/** + * Displays window with information about not implemented functionality. + */ void QKernel::n_impl() { - QMessageBox::information(this,"Function info","This function is not implemented yet...","Ok"); + QMessageBox::information(this, "Function info", "This function is not " + "implemented yet...", "Ok"); } - -/* ########### load configuration from file ############# */ - +/** + * Loads configuration from the given file. + * @param fname Filename of the configuration file. + */ void QKernel::LoadConfig(char * fname) { - config_t cfg; - const char *str; - - /* Hack for checking if file exists without using external libs.*/ - FILE * file = fopen(fname, "r"); - if (!file) { - fprintf(stderr, "Error: Cannot load configuration file %s!\n", fname); - exit(3); - } - /* File exists, so file has been locked. Release it. */ - fclose(file); - - config_init(&cfg); - - /* Read the file. If there is an error, report it and exit. */ - if(!config_read_file(&cfg, fname)) - { - AppConfiguration::error(&cfg); - config_destroy(&cfg); - exit(3);/* from original code. */ - } - - if(!config_lookup_int(&cfg, "node_number", &NodeNumber)) - { - AppConfiguration::error(&cfg); - config_destroy(&cfg); - exit(3); - } - - if(config_lookup_string(&cfg, "type", &str)){ - ConType = (strcmp(str, "explicit") == 0) ? 1 : 2; - } - else { - AppConfiguration::error(&cfg); - } - - - if(config_lookup_string(&cfg, "host", &str)) { - ConnectList.append(new ConnectEntry((char*)str)); - } - else { - AppConfiguration::error(&cfg); - } - - if(config_lookup_string(&cfg, "progdir", &str)){ - strncpy(progdir, str, 256); - } - else { - AppConfiguration::error(&cfg); - } - - if(config_lookup_string(&cfg, "homedir", &str)){ - strncpy(HomeDir, str, 255); - } - else { - AppConfiguration::error(&cfg); - } - - config_destroy(&cfg); + 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. */ + } + + 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); + } + + setting = config_lookup(&cfg, "type"); + if (setting) { + /* same as strcmp(..) == 0 */ + if (!strcmp(config_setting_get_string(setting), "explicit")) { + ConType = 1; + } else { + ConType = 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)) { + /* TODO: Deprecated. Made for back compatibility. */ + case CONFIG_TYPE_STRING: + ConnectList.append(new ConnectEntry((char*) + config_setting_get_string(setting))); + break; + case CONFIG_TYPE_ARRAY: { + int size = config_setting_length(setting); + for (int i = 0; i < size; 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"); + } + } 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"); + } + + 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); } -/* +++++++++++++++++++++++++++++++++++++++++++++++ */ - +/** + * Executes program. + * Additional window id displayed to set which code to execute. + */ void QKernel::Run_Prog() { - 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); - } + 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); + } } - +/** + * Invokes editor program + */ void QKernel::Edit() { - 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); + 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); } +/** + * Invokes help program + */ void QKernel::Help() { - 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); + 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); } - +/** + * Invokes graphics module + */ void QKernel::RunGraphModule(char *sk) { - char cmd[255]; + 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," &"); + 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"); - + if (system(cmd) != 0) + WriteMessage("Cannot connect GRAPH resources"); } - - +/** + * Invokes net module + */ void QKernel::RunNetModule() { - struct sockaddr_un svr; - int len,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"); - WriteMessage("Exiting..."); - sleep(2); - QuitProc(); - } - }/* system OK */ - else - { - WriteMessage("Cannot connect NETWORK resources"); - WriteMessage("Exiting..."); - sleep(2); - QuitProc(); - } - + struct sockaddr_un svr; + int len, 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"); + WriteMessage("Exiting..."); + sleep(2); + QuitProc(); + } + /* system OK */ + } else { + WriteMessage("Cannot connect NETWORK resources"); + WriteMessage("Exiting..."); + sleep(2); + QuitProc(); + } } - +/** + * Connects to the specified address + * Additional window is displayed to connect to the specified address + */ void QKernel::Connect() { - 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()) - { - m.msg_type = MSG_NET; - m.param.pword[0] = NET_CONNECT_TO; - strcpy(m.param.pstr,ed.text()); - write(net_sock,&m,sizeof(MESSAGE)); - } - + QDialog d(this, "", TRUE); + QLabel lab(&d, "IP Address:"); + QLineEdit ed(&d, ""); + QPushButton ob(&d, ""); + QPushButton 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()) { + m.msg_type = MSG_NET; + m.param.pword[0] = NET_CONNECT_TO; + strcpy(m.param.pstr, ed.text()); + write(net_sock, &m, sizeof(MESSAGE)); + } } +/** + * Disconnects from virtual machine + */ void QKernel::Disconnect() { - MESSAGE msg; + MESSAGE msg; - if (info_messages) WriteMessage("Disconnecting from virtual machine"); - msg.msg_type = MSG_NET; - msg.param.pword[0] = NET_DISCONNECT; - write(net_sock,&msg,sizeof(MESSAGE)); + if (info_messages) + WriteMessage("Disconnecting from virtual machine"); + + msg.msg_type = MSG_NET; + msg.param.pword[0] = NET_DISCONNECT; + write(net_sock, &msg, sizeof(MESSAGE)); } +/** + * Quits process. Closes VLP. Shows additional window to confirm exit. + */ void QKernel::QuitProc() { - MESSAGE msg; + 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(); -} + 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(); + } } - - - +/** + * Adds IP address to the configuration. + * Additional window is displayed to add address to the list + */ 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()); - } - } + QDialog d(this, "", TRUE); + QLabel lab(&d, "IP Address:"); + QLineEdit ed(&d, ""); + QPushButton ob(&d, ""); + QPushButton 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()); + } + } } +/** + * Deletes current address from available connections. + */ void QKernel::DelAddress() { - if (connections) - { - if (connections->currentItem()!=-1) - connections->removeItem(connections->currentItem()); - } + if (connections) { + if (connections->currentItem() != -1) + connections->removeItem(connections->currentItem()); + } } - - +/** + * Sends message to node. + * Additional window is displayed to set Node Number of node where send message, + * and textfield to enter message. + */ void QKernel::MessageToNode() { - QDialog *dlg; - QLineEdit *nodenr; - MESSAGE m; - - - 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( "Node number:" ); - - tmpQLabel = new QLabel( dlg, "Label_2" ); - tmpQLabel->setGeometry( 10, 50, 70, 30 ); - tmpQLabel->setText( "Message:" ); - - QLineEdit* msg; - msg = new QLineEdit( dlg, "LineEdit_1" ); - msg->setGeometry( 80, 60, 330, 30 ); - msg->setText( "" ); - - QPushButton* ob,*cb; - ob = new QPushButton( dlg, "PushButton_1" ); - ob->setGeometry( 230, 10, 80, 30 ); - ob->setText( "Send" ); - ob->setDefault(TRUE); - cb = new QPushButton( dlg, "PushButton_2" ); - 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"); - - 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[6] = VLP_WRITE; - strcpy(m.param.pstr,msg->text()); - write(net_sock,&m,sizeof(MESSAGE)); - } + QDialog *dlg; + QLineEdit *nodenr; + MESSAGE m; + + 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("Node number:"); + + tmpQLabel = new QLabel(dlg, "Label_2"); + tmpQLabel->setGeometry(10, 50, 70, 30); + tmpQLabel->setText("Message:"); + + QLineEdit *msg; + msg = new QLineEdit(dlg, "LineEdit_1"); + msg->setGeometry(80, 60, 330, 30); + msg->setText(""); + + QPushButton *ob; + ob = new QPushButton(dlg, "PushButton_1"); + ob->setGeometry(230, 10, 80, 30); + ob->setText("Send"); + ob->setDefault(TRUE); + + QPushButton *cb; + cb = new QPushButton(dlg, "PushButton_2"); + 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"); + + 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[6] = VLP_WRITE; + strcpy(m.param.pstr, msg->text()); + write(net_sock, &m, sizeof(MESSAGE)); + } } +/** + * Kills interpreter. + * Additional window is displayed to get ID of interpreter which should be + * killed. + */ void QKernel::KillInterpreter() { - QDialog *dlg; - QLineEdit *nodenr; - MESSAGE m; - InterpEntry *pom; - - 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()) - { - - 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!"); - } - else WriteMessage("Interpreter not found"); - - } + QDialog *dlg; + QLineEdit *nodenr; + MESSAGE m; + InterpEntry *pom; -} + 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()) { + 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!"); + } + else { + WriteMessage("Interpreter not found"); + } + } +} +/** + * Sends message to the net module. + */ void QKernel::NetMessage() { - MESSAGE msg; - int cnt; - char ss[255]; - InterpEntry *pom; - - cnt = read(net_sock,&msg,sizeof(MESSAGE)); - if ( (cnt>0) && (msg.msg_type==MSG_NET)) - { - switch(msg.param.pword[0]) - { - case NET_CSWRITELN: WriteMessage(msg.param.pstr);break; - case NET_PROPAGATE: - switch(msg.param.pword[1]) - { - 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);*/ - 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(ss); - WriteMessage(CharLine); - break; - case VLP_REMOTE_INSTANCE: - sprintf(ss,"%s/%s",REMOTE_PATH,msg.param.pstr); - if (info_messages) - { - WriteMessage("Running program:"); - WriteMessage(ss); - } - 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->RInstances[msg.param.pword[2]] = msg.param.pword[7]; - } - break; - case VLP_CLOSE_INSTANCE: - 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)); - 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)); - } else WriteMessage("Instance not found"); - break; - } /* VLP switch */ - - }/* switch */ - break; - case NET_CONNECTIONS: ActiveConnections = msg.param.pword[1]; - WriteMessage(msg.param.pstr); - if (!synchro) synchro=TRUE; - break; - case NET_INFO: - if (wait_for_info) - { - QString poms,poms1,poms2; - poms.sprintf("%s",msg.param.pstr); - while (poms.length()>0) - { - cnt=poms.find(';'); - 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()); - WriteMessage(ss); - } - } - } - } - break; - case NET_INFO_END:wait_for_info=FALSE; - WriteMessage(CharLine); - break; - } /* switch */ - } - + + /* 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)) { + switch(msg.param.pword[0]) { + case NET_CSWRITELN: + WriteMessage(msg.param.pstr); + break; + case NET_PROPAGATE: + switch(msg.param.pword[1]) { + 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);*/ + 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(ss); + WriteMessage(CharLine); + break; + case VLP_REMOTE_INSTANCE: + sprintf(ss, "%s/%s", REMOTE_PATH, + msg.param.pstr); + + if (info_messages) { + WriteMessage("Running program:"); + WriteMessage(ss); + } + 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->RInstances[msg.param.pword[2]] = msg.param.pword[7]; + } + break; + case VLP_CLOSE_INSTANCE: + 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)); + 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)); + } else { + WriteMessage("Instance not found"); + } + break; + } /* VLP switch */ + }/* switch */ + break; + case NET_CONNECTIONS: + ActiveConnections = msg.param.pword[1]; + WriteMessage(msg.param.pstr); + if (!synchro) + 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(';'); + 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()); + WriteMessage(ss); + } + } + } + } + break; + case NET_INFO_END: + 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)); - e = findINTbySocket(sock); - if ( (cnt>0) && (e!=NULL)) - { - switch (msg.msg_type) - { - case MSG_GRAPH: - if (msg.param.pword[0]==GRAPH_ALLOCATE) - { - RunGraphModule(msg.param.pstr); - } - break; - case MSG_NET: - write(net_sock,&msg,sizeof(MESSAGE));break; - case MSG_VLP: - switch(msg.param.pword[0]) - { - case VLP_REMOTE_INSTANCE_PLEASE: - RemoteInstance(e,msg.param.pword[2]); - break; - }/* switch */ - break; - case MSG_INT: - switch(msg.param.pword[0]){ - case INT_EXITING: - { - char ss[255]; - - MESSAGE m; - 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) CloseInstances(e); - delete e->notify; - ::close(e->sock); - Interpreters.remove(e); - delete e; - if (info_messages) - { - sprintf(ss,"%s : End of program execution",msg.param.pstr); - WriteMessage(ss); - } - };break; - case INT_CTX_REQ: - - msg.msg_type = MSG_INT; - msg.param.pword[0] = INT_CTX; - msg.param.pword[1] = NodeNumber; - 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; - } - write(sock,&msg,sizeof(MESSAGE)); - break; - };break; /* switch param.pword[0] */ - } /* switch type */ - } /* if */ + MESSAGE msg; + int cnt; + InterpEntry *e; + + cnt = read(sock, &msg, sizeof(MESSAGE)); + e = findINTbySocket(sock); + if ((cnt > 0) && (e != NULL)) { + switch (msg.msg_type) { + case MSG_GRAPH: + if (msg.param.pword[0] == GRAPH_ALLOCATE) { + RunGraphModule(msg.param.pstr); + } + break; + case MSG_NET: + write(net_sock, &msg, sizeof(MESSAGE)); + break; + case MSG_VLP: + switch(msg.param.pword[0]) { + case VLP_REMOTE_INSTANCE_PLEASE: + RemoteInstance(e, msg.param.pword[2]); + break; + }/* switch */ + break; + case MSG_INT: + switch(msg.param.pword[0]) { + case INT_EXITING: + char ss[255]; + + MESSAGE m; + 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) + CloseInstances(e); + delete e->notify; + ::close(e->sock); + Interpreters.remove(e); + delete e; + + if (info_messages) { + sprintf(ss, "%s : End of program " + "execution", msg.param.pstr); + WriteMessage(ss); + } + break; + case INT_CTX_REQ: + msg.msg_type = MSG_INT; + msg.param.pword[0] = INT_CTX; + msg.param.pword[1] = NodeNumber; + 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; + } + write(sock, &msg, sizeof(MESSAGE)); + break; + }; + break; + } + } } - +/** + * Writes message to kernel logger. + * @parame msg String with message to log + */ void QKernel::WriteMessage(char *msg) { - int x,y; - - desktop->getCursorPosition(&x,&y); - if (x>100) desktop->clear(); - desktop->setReadOnly(FALSE); - desktop->append(msg); - desktop->setReadOnly(TRUE); - desktop->setCursorPosition(desktop->numLines(),1); - desktop->repaint(); - if (desktop->numLines()>100) desktop->clear(); + int x; + int y; + + desktop->getCursorPosition(&x, &y); + if (x > 100) { + desktop->clear(); + } + + desktop->setReadOnly(FALSE); + desktop->append(msg); + desktop->setReadOnly(TRUE); + desktop->setCursorPosition(desktop->numLines(), 1); + desktop->repaint(); + + if (desktop->numLines() > 100) { + desktop->clear(); + } } +/** + * Adds checkbox to menu item. It it is checked additional info messages are + * shown. + */ void QKernel::SetMessages() { - - 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 (p2 != NULL) { + if (p2->isItemChecked(msgid)) { + p2->setItemChecked(msgid, FALSE); + info_messages=FALSE; + } else { + p2->setItemChecked(msgid, TRUE); + info_messages=TRUE; + } + } + /* bar->repaint(); */ } +/** + * 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::SetOptions() { - QDialog dlg(this,"Options",TRUE); - QFile *vlp_file; - ConnectEntry *e; - char line[256]; - unsigned int i; - + QDialog dlg(this, "Options", TRUE); + ConnectEntry *e; + unsigned int i; - QLineEdit* progs; - progs = new QLineEdit( &dlg, "progs" ); - progs->setGeometry( 150, 20, 180, 30 ); - progs->setText(progdir); + 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" ); + 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())); + 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; + QPushButton *delbtn; + QPushButton *okbtn; + QPushButton *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 = 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()) - { - unlink("vlp.cfg"); - vlp_file = new QFile("vlp.cfg"); - vlp_file->open(IO_WriteOnly); - sprintf(line,"progdir=%s\n",progs->text().ascii()); - vlp_file->writeBlock(line,strlen(line)); - strcpy(progdir,progs->text()); - sprintf(line,"node_number=%d\n",atoi(nn->text())); - vlp_file->writeBlock(line,strlen(line)); - if ( exp->isChecked()) - { - sprintf(line,"type=explicit\n"); - vlp_file->writeBlock(line,strlen(line)); - for(i=0;icount();i++) - { - sprintf(line,"host=%s\n",connections->text(i).ascii()); - vlp_file->writeBlock(line,strlen(line)); - } - - } - else - { - sprintf(line,"type=register\n"); - vlp_file->writeBlock(line,strlen(line)); - } - vlp_file->close(); - }; + group->insert(exp, 1); + group->insert(reg, 2); + + dlg.resize(400, 310); + if (dlg.exec()) { + config_t cfg; + config_setting_t *root; + config_setting_t *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; i < connections->count(); 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); + } } - +/** + * Locks kernel program. + * Additional window is displayed to enter password and retype it. If both are + * same kernel window is locked. + */ void QKernel::LockConsole() { - 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(); - WriteMessage("CONSOLE LOCKED"); - LOCKED = TRUE; - } - else - { - QMessageBox msg(this); - msg.setText("Not matching!"); - msg.setButtonText(0,"Close"); - msg.show(); - - } - } - else strcpy(LockPasswd,""); - } + QDialog d(this, "Enter password", TRUE); + QLabel lab(&d, "Password"); + QLineEdit ed(&d, ""); + QPushButton ob(&d, ""); + QPushButton 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(); + WriteMessage("CONSOLE LOCKED"); + LOCKED = TRUE; + } else { + QMessageBox msg(this); + msg.setText("Not matching!"); + msg.setButtonText(0, "Close"); + msg.show(); + } + } else { + strcpy(LockPasswd, ""); + } + } + } } +/** + * Unlocks kernel program. + * Additional window is displayed to enter password. If it is correct, kernel + * window is unlocked + */ void QKernel::UnlockConsole() { - 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(); - WriteMessage("CONSOLE UNLOCKED"); - LOCKED = FALSE; - } - else - { - QMessageBox msg(this); - msg.setText("Wrong password!"); - msg.setButtonText(0,"Close"); - msg.show(); - - } - } + QDialog d(this, "Enter password", TRUE); + QLabel lab(&d, "Password"); + QLineEdit ed(&d, ""); + QPushButton ob(&d, ""); + QPushButton 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(); + WriteMessage("CONSOLE UNLOCKED"); + LOCKED = FALSE; + } else { + QMessageBox msg(this); + msg.setText("Wrong password!"); + msg.setButtonText(0, "Close"); + msg.show(); + } + } } +/** + * Writes init message in kernel + */ void QKernel::InitMessage() { - WriteMessage("\n Virtual LOGLAN Processor - ver 1.9: READY \n"); + WriteMessage("\n " PACKAGE_STRING ": READY \n"); } - - +/** + * Finds Interpreter by its socket + * @param _id ID of the socket + * @return returns pointer to the found interpreter slot + */ InterpEntry *QKernel::findINTbySocket(int _id) { - InterpEntry *pom; - pom = Interpreters.first(); - while (pom!=NULL) - { - if (pom->sock == _id) break; - pom = Interpreters.next(); - } - return(pom); + InterpEntry *pom; + pom = Interpreters.first(); + + while (pom != NULL) { + if (pom->sock == _id) + break; + + pom = Interpreters.next(); + } + return pom; } +/** + * Finds Interpreter by its ID. + * @param _id ID of the interpreter + * @return returns pointer to the found interpreter slot + */ InterpEntry *QKernel::findINTbyID(int _id) { - InterpEntry *pom; - pom = Interpreters.first(); - while (pom!=NULL) - { - if (pom->ID == _id) break; - pom = Interpreters.next(); - } - return(pom); + InterpEntry *pom; + pom = Interpreters.first(); + while (pom != NULL) { + if (pom->ID == _id) + break; + pom = Interpreters.next(); + } + 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; - - - - 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) -{ - - 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); - + 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 = 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", 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) { + 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; } -/* ---------------------------------------------------------*/ -/* Allocate remote instance */ - +/** + * Allocates remote instance of interpreter + * @param interp Interpreter slot + * @param on Node Number + */ 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)); -} + 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)); + + /* 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)); + + 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)); + } } - -/*-----------------------------------------------*/ -/* Close all remote instances */ - +/** + * Closes all remote instances + */ void QKernel::CloseInstances(InterpEntry *e) { - MESSAGE msg; - int i; - - if (info_messages) WriteMessage("Closing remote instances"); - for(i=0;iRInstances[i]>=0) - { - msg.msg_type = MSG_NET; - msg.param.pword[0] = NET_PROPAGATE; - msg.param.pword[1] = MSG_VLP; - msg.param.pword[2] = NodeNumber; - 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)); - } + MESSAGE msg; + int i; + + if (info_messages) + WriteMessage("Closing remote instances"); + + for(i=0; i < MAXINSTANCES; i++) + if (e->RInstances[i]>=0) { + msg.msg_type = MSG_NET; + msg.param.pword[0] = NET_PROPAGATE; + msg.param.pword[1] = MSG_VLP; + msg.param.pword[2] = NodeNumber; + 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)); + } } - +/** + * Displays information about virtual machine + */ void QKernel::Info() { - MESSAGE m; - - WriteMessage(CharLine); - WriteMessage("### Virtual Machine Information ###"); - m.msg_type = MSG_NET; - m.param.pword[0]=NET_GET_INFO; - write(net_sock,&m,sizeof(MESSAGE)); - wait_for_info = TRUE; + MESSAGE m; + + WriteMessage(CharLine); + WriteMessage("### Virtual Machine Information ###"); + m.msg_type = MSG_NET; + m.param.pword[0] = NET_GET_INFO; + write(net_sock, &m, sizeof(MESSAGE)); + 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;isetStyle(new QWindowsStyle()); - QKernel draw; - app->setMainWidget( &draw); - draw.show(); - draw.InitMessage(); - return app->exec(); + int i; + for(i = 0; i < 5; i++) { + strcpy(myargs[i], ""); + } + for(i = 1; i < argc; i++) { + strcpy(myargs[i - 1], argv[i]); + } + + app = new QApplication(argc, argv); + app->setStyle(new QWindowsStyle()); + QKernel kernel; + app->setMainWidget(&kernel); + kernel.show(); + kernel.InitMessage(); + + return app->exec(); }