64cc3ecbd1
Introduce a PlatformStyle to handle platform-specific customization of the UI. This replaces 'scicon', as well as #ifdefs to determine whether to place icons on buttons. The selected PlatformStyle defaults to the platform that the application was compiled on, but can be overridden from the command line with `-uiplatform=<x>`. Also fixes the warning from #6328.
664 lines
22 KiB
C++
664 lines
22 KiB
C++
// Copyright (c) 2011-2014 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "rpcconsole.h"
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#include "ui_rpcconsole.h"
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#include "clientmodel.h"
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#include "guiutil.h"
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#include "peertablemodel.h"
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#include "platformstyle.h"
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#include "main.h"
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#include "chainparams.h"
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#include "rpcserver.h"
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#include "rpcclient.h"
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#include "util.h"
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#include "json/json_spirit_value.h"
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#include <openssl/crypto.h>
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#ifdef ENABLE_WALLET
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#include <db_cxx.h>
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#endif
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#include <QKeyEvent>
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#include <QScrollBar>
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#include <QThread>
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#include <QTime>
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#if QT_VERSION < 0x050000
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#include <QUrl>
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#endif
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// TODO: add a scrollback limit, as there is currently none
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// TODO: make it possible to filter out categories (esp debug messages when implemented)
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// TODO: receive errors and debug messages through ClientModel
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const int CONSOLE_HISTORY = 50;
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const QSize ICON_SIZE(24, 24);
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const int INITIAL_TRAFFIC_GRAPH_MINS = 30;
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const struct {
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const char *url;
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const char *source;
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} ICON_MAPPING[] = {
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{"cmd-request", ":/icons/tx_input"},
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{"cmd-reply", ":/icons/tx_output"},
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{"cmd-error", ":/icons/tx_output"},
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{"misc", ":/icons/tx_inout"},
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{NULL, NULL}
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};
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/* Object for executing console RPC commands in a separate thread.
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*/
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class RPCExecutor : public QObject
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{
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Q_OBJECT
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public slots:
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void request(const QString &command);
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signals:
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void reply(int category, const QString &command);
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};
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#include "rpcconsole.moc"
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/**
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* Split shell command line into a list of arguments. Aims to emulate \c bash and friends.
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*
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* - Arguments are delimited with whitespace
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* - Extra whitespace at the beginning and end and between arguments will be ignored
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* - Text can be "double" or 'single' quoted
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* - The backslash \c \ is used as escape character
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* - Outside quotes, any character can be escaped
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* - Within double quotes, only escape \c " and backslashes before a \c " or another backslash
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* - Within single quotes, no escaping is possible and no special interpretation takes place
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*
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* @param[out] args Parsed arguments will be appended to this list
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* @param[in] strCommand Command line to split
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*/
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bool parseCommandLine(std::vector<std::string> &args, const std::string &strCommand)
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{
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enum CmdParseState
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{
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STATE_EATING_SPACES,
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STATE_ARGUMENT,
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STATE_SINGLEQUOTED,
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STATE_DOUBLEQUOTED,
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STATE_ESCAPE_OUTER,
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STATE_ESCAPE_DOUBLEQUOTED
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} state = STATE_EATING_SPACES;
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std::string curarg;
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foreach(char ch, strCommand)
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{
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switch(state)
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{
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case STATE_ARGUMENT: // In or after argument
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case STATE_EATING_SPACES: // Handle runs of whitespace
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switch(ch)
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{
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case '"': state = STATE_DOUBLEQUOTED; break;
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case '\'': state = STATE_SINGLEQUOTED; break;
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case '\\': state = STATE_ESCAPE_OUTER; break;
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case ' ': case '\n': case '\t':
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if(state == STATE_ARGUMENT) // Space ends argument
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{
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args.push_back(curarg);
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curarg.clear();
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}
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state = STATE_EATING_SPACES;
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break;
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default: curarg += ch; state = STATE_ARGUMENT;
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}
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break;
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case STATE_SINGLEQUOTED: // Single-quoted string
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switch(ch)
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{
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case '\'': state = STATE_ARGUMENT; break;
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default: curarg += ch;
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}
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break;
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case STATE_DOUBLEQUOTED: // Double-quoted string
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switch(ch)
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{
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case '"': state = STATE_ARGUMENT; break;
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case '\\': state = STATE_ESCAPE_DOUBLEQUOTED; break;
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default: curarg += ch;
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}
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break;
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case STATE_ESCAPE_OUTER: // '\' outside quotes
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curarg += ch; state = STATE_ARGUMENT;
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break;
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case STATE_ESCAPE_DOUBLEQUOTED: // '\' in double-quoted text
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if(ch != '"' && ch != '\\') curarg += '\\'; // keep '\' for everything but the quote and '\' itself
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curarg += ch; state = STATE_DOUBLEQUOTED;
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break;
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}
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}
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switch(state) // final state
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{
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case STATE_EATING_SPACES:
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return true;
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case STATE_ARGUMENT:
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args.push_back(curarg);
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return true;
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default: // ERROR to end in one of the other states
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return false;
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}
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}
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void RPCExecutor::request(const QString &command)
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{
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std::vector<std::string> args;
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if(!parseCommandLine(args, command.toStdString()))
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{
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emit reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
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return;
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}
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if(args.empty())
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return; // Nothing to do
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try
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{
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std::string strPrint;
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// Convert argument list to JSON objects in method-dependent way,
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// and pass it along with the method name to the dispatcher.
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json_spirit::Value result = tableRPC.execute(
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args[0],
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RPCConvertValues(args[0], std::vector<std::string>(args.begin() + 1, args.end())));
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// Format result reply
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if (result.type() == json_spirit::null_type)
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strPrint = "";
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else if (result.type() == json_spirit::str_type)
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strPrint = result.get_str();
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else
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strPrint = write_string(result, true);
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emit reply(RPCConsole::CMD_REPLY, QString::fromStdString(strPrint));
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}
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catch (const json_spirit::Object& objError)
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{
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try // Nice formatting for standard-format error
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{
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int code = find_value(objError, "code").get_int();
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std::string message = find_value(objError, "message").get_str();
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emit reply(RPCConsole::CMD_ERROR, QString::fromStdString(message) + " (code " + QString::number(code) + ")");
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}
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catch (const std::runtime_error&) // raised when converting to invalid type, i.e. missing code or message
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{ // Show raw JSON object
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emit reply(RPCConsole::CMD_ERROR, QString::fromStdString(write_string(json_spirit::Value(objError), false)));
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}
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}
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catch (const std::exception& e)
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{
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emit reply(RPCConsole::CMD_ERROR, QString("Error: ") + QString::fromStdString(e.what()));
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}
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}
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RPCConsole::RPCConsole(const PlatformStyle *platformStyle, QWidget *parent) :
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QWidget(parent),
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ui(new Ui::RPCConsole),
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clientModel(0),
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historyPtr(0),
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cachedNodeid(-1),
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contextMenu(0),
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platformStyle(platformStyle)
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{
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ui->setupUi(this);
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GUIUtil::restoreWindowGeometry("nRPCConsoleWindow", this->size(), this);
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if (platformStyle->getImagesOnButtons()) {
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ui->openDebugLogfileButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
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}
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ui->clearButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
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// Install event filter for up and down arrow
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ui->lineEdit->installEventFilter(this);
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ui->messagesWidget->installEventFilter(this);
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connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clear()));
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connect(ui->btnClearTrafficGraph, SIGNAL(clicked()), ui->trafficGraph, SLOT(clear()));
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// set library version labels
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ui->openSSLVersion->setText(SSLeay_version(SSLEAY_VERSION));
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#ifdef ENABLE_WALLET
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ui->berkeleyDBVersion->setText(DbEnv::version(0, 0, 0));
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#else
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ui->label_berkeleyDBVersion->hide();
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ui->berkeleyDBVersion->hide();
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#endif
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startExecutor();
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setTrafficGraphRange(INITIAL_TRAFFIC_GRAPH_MINS);
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ui->detailWidget->hide();
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ui->peerHeading->setText(tr("Select a peer to view detailed information."));
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clear();
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}
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RPCConsole::~RPCConsole()
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{
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GUIUtil::saveWindowGeometry("nRPCConsoleWindow", this);
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emit stopExecutor();
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delete ui;
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}
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bool RPCConsole::eventFilter(QObject* obj, QEvent *event)
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{
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if(event->type() == QEvent::KeyPress) // Special key handling
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{
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QKeyEvent *keyevt = static_cast<QKeyEvent*>(event);
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int key = keyevt->key();
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Qt::KeyboardModifiers mod = keyevt->modifiers();
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switch(key)
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{
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case Qt::Key_Up: if(obj == ui->lineEdit) { browseHistory(-1); return true; } break;
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case Qt::Key_Down: if(obj == ui->lineEdit) { browseHistory(1); return true; } break;
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case Qt::Key_PageUp: /* pass paging keys to messages widget */
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case Qt::Key_PageDown:
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if(obj == ui->lineEdit)
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{
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QApplication::postEvent(ui->messagesWidget, new QKeyEvent(*keyevt));
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return true;
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}
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break;
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default:
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// Typing in messages widget brings focus to line edit, and redirects key there
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// Exclude most combinations and keys that emit no text, except paste shortcuts
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if(obj == ui->messagesWidget && (
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(!mod && !keyevt->text().isEmpty() && key != Qt::Key_Tab) ||
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((mod & Qt::ControlModifier) && key == Qt::Key_V) ||
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((mod & Qt::ShiftModifier) && key == Qt::Key_Insert)))
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{
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ui->lineEdit->setFocus();
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QApplication::postEvent(ui->lineEdit, new QKeyEvent(*keyevt));
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return true;
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}
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}
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}
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return QWidget::eventFilter(obj, event);
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}
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void RPCConsole::setClientModel(ClientModel *model)
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{
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clientModel = model;
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ui->trafficGraph->setClientModel(model);
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if(model)
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{
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// Keep up to date with client
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setNumConnections(model->getNumConnections());
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connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
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setNumBlocks(model->getNumBlocks(), model->getLastBlockDate());
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connect(model, SIGNAL(numBlocksChanged(int,QDateTime)), this, SLOT(setNumBlocks(int,QDateTime)));
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updateTrafficStats(model->getTotalBytesRecv(), model->getTotalBytesSent());
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connect(model, SIGNAL(bytesChanged(quint64,quint64)), this, SLOT(updateTrafficStats(quint64, quint64)));
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// set up peer table
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ui->peerWidget->setModel(model->getPeerTableModel());
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ui->peerWidget->verticalHeader()->hide();
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ui->peerWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
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ui->peerWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
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ui->peerWidget->setSelectionMode(QAbstractItemView::SingleSelection);
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ui->peerWidget->setColumnWidth(PeerTableModel::Address, ADDRESS_COLUMN_WIDTH);
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ui->peerWidget->setColumnWidth(PeerTableModel::Subversion, SUBVERSION_COLUMN_WIDTH);
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ui->peerWidget->setColumnWidth(PeerTableModel::Ping, PING_COLUMN_WIDTH);
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// connect the peerWidget selection model to our peerSelected() handler
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connect(ui->peerWidget->selectionModel(), SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
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this, SLOT(peerSelected(const QItemSelection &, const QItemSelection &)));
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connect(model->getPeerTableModel(), SIGNAL(layoutChanged()), this, SLOT(peerLayoutChanged()));
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// Provide initial values
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ui->clientVersion->setText(model->formatFullVersion());
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ui->clientName->setText(model->clientName());
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ui->buildDate->setText(model->formatBuildDate());
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ui->startupTime->setText(model->formatClientStartupTime());
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ui->networkName->setText(QString::fromStdString(Params().NetworkIDString()));
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}
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}
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static QString categoryClass(int category)
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{
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switch(category)
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{
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case RPCConsole::CMD_REQUEST: return "cmd-request"; break;
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case RPCConsole::CMD_REPLY: return "cmd-reply"; break;
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case RPCConsole::CMD_ERROR: return "cmd-error"; break;
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default: return "misc";
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}
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}
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void RPCConsole::clear()
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{
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ui->messagesWidget->clear();
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history.clear();
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historyPtr = 0;
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ui->lineEdit->clear();
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ui->lineEdit->setFocus();
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// Add smoothly scaled icon images.
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// (when using width/height on an img, Qt uses nearest instead of linear interpolation)
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for(int i=0; ICON_MAPPING[i].url; ++i)
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{
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ui->messagesWidget->document()->addResource(
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QTextDocument::ImageResource,
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QUrl(ICON_MAPPING[i].url),
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platformStyle->SingleColorImage(ICON_MAPPING[i].source).scaled(ICON_SIZE, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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}
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// Set default style sheet
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ui->messagesWidget->document()->setDefaultStyleSheet(
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"table { }"
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"td.time { color: #808080; padding-top: 3px; } "
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"td.cmd-request { color: #006060; } "
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"td.cmd-error { color: red; } "
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"b { color: #006060; } "
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);
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message(CMD_REPLY, (tr("Welcome to the Dogecoin Core RPC console.") + "<br>" +
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tr("Use up and down arrows to navigate history, and <b>Ctrl-L</b> to clear screen.") + "<br>" +
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tr("Type <b>help</b> for an overview of available commands.")), true);
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}
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void RPCConsole::keyPressEvent(QKeyEvent *event)
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{
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if(windowType() != Qt::Widget && event->key() == Qt::Key_Escape)
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{
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close();
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}
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}
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void RPCConsole::message(int category, const QString &message, bool html)
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{
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QTime time = QTime::currentTime();
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QString timeString = time.toString();
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QString out;
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out += "<table><tr><td class=\"time\" width=\"65\">" + timeString + "</td>";
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out += "<td class=\"icon\" width=\"32\"><img src=\"" + categoryClass(category) + "\"></td>";
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out += "<td class=\"message " + categoryClass(category) + "\" valign=\"middle\">";
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if(html)
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out += message;
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else
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out += GUIUtil::HtmlEscape(message, true);
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out += "</td></tr></table>";
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ui->messagesWidget->append(out);
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}
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void RPCConsole::setNumConnections(int count)
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{
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if (!clientModel)
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return;
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QString connections = QString::number(count) + " (";
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connections += tr("In:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_IN)) + " / ";
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connections += tr("Out:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_OUT)) + ")";
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ui->numberOfConnections->setText(connections);
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}
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void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate)
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{
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ui->numberOfBlocks->setText(QString::number(count));
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ui->lastBlockTime->setText(blockDate.toString());
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}
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void RPCConsole::on_lineEdit_returnPressed()
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{
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QString cmd = ui->lineEdit->text();
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ui->lineEdit->clear();
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if(!cmd.isEmpty())
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{
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message(CMD_REQUEST, cmd);
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emit cmdRequest(cmd);
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// Remove command, if already in history
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history.removeOne(cmd);
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// Append command to history
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history.append(cmd);
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// Enforce maximum history size
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while(history.size() > CONSOLE_HISTORY)
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history.removeFirst();
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// Set pointer to end of history
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historyPtr = history.size();
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// Scroll console view to end
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scrollToEnd();
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}
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}
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void RPCConsole::browseHistory(int offset)
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{
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historyPtr += offset;
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if(historyPtr < 0)
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historyPtr = 0;
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if(historyPtr > history.size())
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historyPtr = history.size();
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QString cmd;
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if(historyPtr < history.size())
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cmd = history.at(historyPtr);
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ui->lineEdit->setText(cmd);
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}
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void RPCConsole::startExecutor()
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{
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QThread *thread = new QThread;
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RPCExecutor *executor = new RPCExecutor();
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executor->moveToThread(thread);
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// Replies from executor object must go to this object
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connect(executor, SIGNAL(reply(int,QString)), this, SLOT(message(int,QString)));
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// Requests from this object must go to executor
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connect(this, SIGNAL(cmdRequest(QString)), executor, SLOT(request(QString)));
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// On stopExecutor signal
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// - queue executor for deletion (in execution thread)
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// - quit the Qt event loop in the execution thread
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connect(this, SIGNAL(stopExecutor()), executor, SLOT(deleteLater()));
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connect(this, SIGNAL(stopExecutor()), thread, SLOT(quit()));
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// Queue the thread for deletion (in this thread) when it is finished
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connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
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// Default implementation of QThread::run() simply spins up an event loop in the thread,
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// which is what we want.
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thread->start();
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}
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void RPCConsole::on_tabWidget_currentChanged(int index)
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{
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if(ui->tabWidget->widget(index) == ui->tab_console)
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{
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ui->lineEdit->setFocus();
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}
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}
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void RPCConsole::on_openDebugLogfileButton_clicked()
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{
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GUIUtil::openDebugLogfile();
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}
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void RPCConsole::scrollToEnd()
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{
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QScrollBar *scrollbar = ui->messagesWidget->verticalScrollBar();
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scrollbar->setValue(scrollbar->maximum());
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}
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void RPCConsole::on_sldGraphRange_valueChanged(int value)
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{
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const int multiplier = 5; // each position on the slider represents 5 min
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int mins = value * multiplier;
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setTrafficGraphRange(mins);
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}
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QString RPCConsole::FormatBytes(quint64 bytes)
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|
{
|
|
if(bytes < 1024)
|
|
return QString(tr("%1 B")).arg(bytes);
|
|
if(bytes < 1024 * 1024)
|
|
return QString(tr("%1 KB")).arg(bytes / 1024);
|
|
if(bytes < 1024 * 1024 * 1024)
|
|
return QString(tr("%1 MB")).arg(bytes / 1024 / 1024);
|
|
|
|
return QString(tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
|
|
}
|
|
|
|
void RPCConsole::setTrafficGraphRange(int mins)
|
|
{
|
|
ui->trafficGraph->setGraphRangeMins(mins);
|
|
ui->lblGraphRange->setText(GUIUtil::formatDurationStr(mins * 60));
|
|
}
|
|
|
|
void RPCConsole::updateTrafficStats(quint64 totalBytesIn, quint64 totalBytesOut)
|
|
{
|
|
ui->lblBytesIn->setText(FormatBytes(totalBytesIn));
|
|
ui->lblBytesOut->setText(FormatBytes(totalBytesOut));
|
|
}
|
|
|
|
void RPCConsole::peerSelected(const QItemSelection &selected, const QItemSelection &deselected)
|
|
{
|
|
Q_UNUSED(deselected);
|
|
|
|
if (!clientModel || selected.indexes().isEmpty())
|
|
return;
|
|
|
|
const CNodeCombinedStats *stats = clientModel->getPeerTableModel()->getNodeStats(selected.indexes().first().row());
|
|
if (stats)
|
|
updateNodeDetail(stats);
|
|
}
|
|
|
|
void RPCConsole::peerLayoutChanged()
|
|
{
|
|
if (!clientModel)
|
|
return;
|
|
|
|
const CNodeCombinedStats *stats = NULL;
|
|
bool fUnselect = false;
|
|
bool fReselect = false;
|
|
|
|
if (cachedNodeid == -1) // no node selected yet
|
|
return;
|
|
|
|
// find the currently selected row
|
|
int selectedRow;
|
|
QModelIndexList selectedModelIndex = ui->peerWidget->selectionModel()->selectedIndexes();
|
|
if (selectedModelIndex.isEmpty())
|
|
selectedRow = -1;
|
|
else
|
|
selectedRow = selectedModelIndex.first().row();
|
|
|
|
// check if our detail node has a row in the table (it may not necessarily
|
|
// be at selectedRow since its position can change after a layout change)
|
|
int detailNodeRow = clientModel->getPeerTableModel()->getRowByNodeId(cachedNodeid);
|
|
|
|
if (detailNodeRow < 0)
|
|
{
|
|
// detail node dissapeared from table (node disconnected)
|
|
fUnselect = true;
|
|
cachedNodeid = -1;
|
|
ui->detailWidget->hide();
|
|
ui->peerHeading->setText(tr("Select a peer to view detailed information."));
|
|
}
|
|
else
|
|
{
|
|
if (detailNodeRow != selectedRow)
|
|
{
|
|
// detail node moved position
|
|
fUnselect = true;
|
|
fReselect = true;
|
|
}
|
|
|
|
// get fresh stats on the detail node.
|
|
stats = clientModel->getPeerTableModel()->getNodeStats(detailNodeRow);
|
|
}
|
|
|
|
if (fUnselect && selectedRow >= 0)
|
|
{
|
|
ui->peerWidget->selectionModel()->select(QItemSelection(selectedModelIndex.first(), selectedModelIndex.last()),
|
|
QItemSelectionModel::Deselect);
|
|
}
|
|
|
|
if (fReselect)
|
|
{
|
|
ui->peerWidget->selectRow(detailNodeRow);
|
|
}
|
|
|
|
if (stats)
|
|
updateNodeDetail(stats);
|
|
}
|
|
|
|
void RPCConsole::updateNodeDetail(const CNodeCombinedStats *stats)
|
|
{
|
|
// Update cached nodeid
|
|
cachedNodeid = stats->nodeStats.nodeid;
|
|
|
|
// update the detail ui with latest node information
|
|
QString peerAddrDetails(QString::fromStdString(stats->nodeStats.addrName));
|
|
if (!stats->nodeStats.addrLocal.empty())
|
|
peerAddrDetails += "<br />" + tr("via %1").arg(QString::fromStdString(stats->nodeStats.addrLocal));
|
|
ui->peerHeading->setText(peerAddrDetails);
|
|
ui->peerServices->setText(GUIUtil::formatServicesStr(stats->nodeStats.nServices));
|
|
ui->peerLastSend->setText(stats->nodeStats.nLastSend ? GUIUtil::formatDurationStr(GetTime() - stats->nodeStats.nLastSend) : tr("never"));
|
|
ui->peerLastRecv->setText(stats->nodeStats.nLastRecv ? GUIUtil::formatDurationStr(GetTime() - stats->nodeStats.nLastRecv) : tr("never"));
|
|
ui->peerBytesSent->setText(FormatBytes(stats->nodeStats.nSendBytes));
|
|
ui->peerBytesRecv->setText(FormatBytes(stats->nodeStats.nRecvBytes));
|
|
ui->peerConnTime->setText(GUIUtil::formatDurationStr(GetTime() - stats->nodeStats.nTimeConnected));
|
|
ui->peerPingTime->setText(GUIUtil::formatPingTime(stats->nodeStats.dPingTime));
|
|
ui->timeoffset->setText(GUIUtil::formatTimeOffset(stats->nodeStats.nTimeOffset));
|
|
ui->peerVersion->setText(QString("%1").arg(stats->nodeStats.nVersion));
|
|
ui->peerSubversion->setText(QString::fromStdString(stats->nodeStats.cleanSubVer));
|
|
ui->peerDirection->setText(stats->nodeStats.fInbound ? tr("Inbound") : tr("Outbound"));
|
|
ui->peerHeight->setText(QString("%1").arg(stats->nodeStats.nStartingHeight));
|
|
|
|
// This check fails for example if the lock was busy and
|
|
// nodeStateStats couldn't be fetched.
|
|
if (stats->fNodeStateStatsAvailable) {
|
|
// Ban score is init to 0
|
|
ui->peerBanScore->setText(QString("%1").arg(stats->nodeStateStats.nMisbehavior));
|
|
|
|
// Sync height is init to -1
|
|
if (stats->nodeStateStats.nSyncHeight > -1)
|
|
ui->peerSyncHeight->setText(QString("%1").arg(stats->nodeStateStats.nSyncHeight));
|
|
else
|
|
ui->peerSyncHeight->setText(tr("Unknown"));
|
|
} else {
|
|
ui->peerBanScore->setText(tr("Fetching..."));
|
|
ui->peerSyncHeight->setText(tr("Fetching..."));
|
|
}
|
|
|
|
ui->detailWidget->show();
|
|
}
|
|
|
|
void RPCConsole::resizeEvent(QResizeEvent *event)
|
|
{
|
|
QWidget::resizeEvent(event);
|
|
}
|
|
|
|
void RPCConsole::showEvent(QShowEvent *event)
|
|
{
|
|
QWidget::showEvent(event);
|
|
|
|
if (!clientModel)
|
|
return;
|
|
|
|
// start PeerTableModel auto refresh
|
|
clientModel->getPeerTableModel()->startAutoRefresh();
|
|
}
|
|
|
|
void RPCConsole::hideEvent(QHideEvent *event)
|
|
{
|
|
QWidget::hideEvent(event);
|
|
|
|
if (!clientModel)
|
|
return;
|
|
|
|
// stop PeerTableModel auto refresh
|
|
clientModel->getPeerTableModel()->stopAutoRefresh();
|
|
}
|