attachexternaldialog.cpp 10.44 KiB
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#include "attachexternaldialog.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QPushButton>
#include <QStandardItemModel>
#include <QHeaderView>
#ifdef Q_OS_WINDOWS
#include <windows.h>
#include <tlhelp32.h>
#include <tchar.h>
#include <stdio.h>
#endif
using namespace Debugger::Internal;
AttachExternalDialog::AttachExternalDialog(QWidget *parent, const QString &pid)
: QDialog(parent)
{
setupUi(this);
buttonBox->button(QDialogButtonBox::Ok)->setDefault(true);
m_defaultPID = pid;
m_model = new QStandardItemModel(this);
procView->setSortingEnabled(true);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
connect(procView, SIGNAL(activated(const QModelIndex &)),
this, SLOT(procSelected(const QModelIndex &)));
pidLineEdit->setText(m_defaultPID);
rebuildProcessList();}
static bool isProcessName(const QString &procname)
{
for (int i = 0; i != procname.size(); ++i)
if (!procname.at(i).isDigit())
return false;
return true;
}
struct ProcData
{
QString ppid;
QString name;
QString state;
};
static void insertItem(QStandardItem *root, const QString &pid,
const QMap<QString, ProcData> &procs, QMap<QString, QStandardItem *> &known)
{
//qDebug() << "HANDLING " << pid;
QStandardItem *parent = 0;
const ProcData &proc = procs[pid];
if (1 || pid == "0") {
parent = root;
} else {
if (!known.contains(proc.ppid))
insertItem(root, proc.ppid, procs, known);
parent = known[proc.ppid];
}
QList<QStandardItem *> row;
row.append(new QStandardItem(pid));
row.append(new QStandardItem(proc.name));
//row.append(new QStandardItem(proc.ppid));
row.append(new QStandardItem(proc.state));
parent->appendRow(row);
known[pid] = row[0];
}
void AttachExternalDialog::rebuildProcessList()
{
QStringList procnames = QDir("/proc/").entryList();
if (procnames.isEmpty()) {
procView->hide();
return;
}
typedef QMap<QString, ProcData> Procs;
Procs procs;
foreach (const QString &procname, procnames) {
if (!isProcessName(procname))
continue;
QString filename = "/proc/" + procname + "/stat";
QFile file(filename);
file.open(QIODevice::ReadOnly);
QStringList data = QString::fromLocal8Bit(file.readAll()).split(' ');
//qDebug() << filename << data;
ProcData proc;
proc.name = data.at(1);
if (proc.name.startsWith('(') && proc.name.endsWith(')'))
proc.name = proc.name.mid(1, proc.name.size() - 2);
proc.state = data.at(2);
proc.ppid = data.at(3);
procs[procname] = proc;
}
m_model->clear();
QMap<QString, QStandardItem *> known;
for (Procs::const_iterator it = procs.begin(); it != procs.end(); ++it) insertItem(m_model->invisibleRootItem(), it.key(), procs, known);
m_model->setHeaderData(0, Qt::Horizontal, "Process ID", Qt::DisplayRole);
m_model->setHeaderData(1, Qt::Horizontal, "Name", Qt::DisplayRole);
//model->setHeaderData(2, Qt::Horizontal, "Parent", Qt::DisplayRole);
m_model->setHeaderData(2, Qt::Horizontal, "State", Qt::DisplayRole);
procView->setModel(m_model);
procView->expandAll();
procView->resizeColumnToContents(0);
procView->resizeColumnToContents(1);
}
#ifdef Q_OS_WINDOWS
BOOL GetProcessList();
BOOL ListProcessModules(DWORD dwPID);
BOOL ListProcessThreads(DWORD dwOwnerPID);
void printError(TCHAR *msg);
BOOL GetProcessList()
{
HANDLE hProcessSnap;
HANDLE hProcess;
PROCESSENTRY32 pe32;
DWORD dwPriorityClass;
// Take a snapshot of all processes in the system.
hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if (hProcessSnap == INVALID_HANDLE_VALUE)
{
printError( TEXT("CreateToolhelp32Snapshot (of processes)") );
return( FALSE );
}
// Set the size of the structure before using it.
pe32.dwSize = sizeof( PROCESSENTRY32 );
// Retrieve information about the first process,
// and exit if unsuccessful
if (!Process32First( hProcessSnap, &pe32 ))
{
printError( TEXT("Process32First") ); // show cause of failure
CloseHandle( hProcessSnap ); // clean the snapshot object
return( FALSE );
}
// Now walk the snapshot of processes, and
// display information about each process in turn
do
{
printf( "\n\n=====================================================" );
_tprintf( TEXT("\nPROCESS NAME: %s"), pe32.szExeFile );
printf( "\n-----------------------------------------------------" );
// Retrieve the priority class.
dwPriorityClass = 0;
hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID );
if (hProcess == NULL)
printError( TEXT("OpenProcess") );
else
{
dwPriorityClass = GetPriorityClass( hProcess );
if (!dwPriorityClass)
printError( TEXT("GetPriorityClass") );
CloseHandle( hProcess );
}
printf( "\n Process ID = 0x%08X", pe32.th32ProcessID );
printf( "\n Thread count = %d", pe32.cntThreads );
printf( "\n Parent process ID = 0x%08X", pe32.th32ParentProcessID ); printf( "\n Priority base = %d", pe32.pcPriClassBase );
if (dwPriorityClass)
printf( "\n Priority class = %d", dwPriorityClass );
// List the modules and threads associated with this process
ListProcessModules( pe32.th32ProcessID );
ListProcessThreads( pe32.th32ProcessID );
} while (Process32Next(hProcessSnap, &pe32));
CloseHandle(hProcessSnap);
return TRUE;
}
BOOL ListProcessModules(DWORD dwPID)
{
HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
MODULEENTRY32 me32;
// Take a snapshot of all modules in the specified process.
hModuleSnap = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, dwPID );
if (hModuleSnap == INVALID_HANDLE_VALUE) {
printError(TEXT("CreateToolhelp32Snapshot (of modules)"));
return FALSE;
}
// Set the size of the structure before using it.
me32.dwSize = sizeof( MODULEENTRY32 );
// Retrieve information about the first module,
// and exit if unsuccessful
if (!Module32First( hModuleSnap, &me32))
{
printError( TEXT("Module32First") ); // show cause of failure
CloseHandle( hModuleSnap ); // clean the snapshot object
return( FALSE );
}
// Now walk the module list of the process,
// and display information about each module
do
{
_tprintf( TEXT("\n\n MODULE NAME: %s"), me32.szModule );
_tprintf( TEXT("\n Executable = %s"), me32.szExePath );
printf( "\n Process ID = 0x%08X", me32.th32ProcessID );
printf( "\n Ref count (g) = 0x%04X", me32.GlblcntUsage );
printf( "\n Ref count (p) = 0x%04X", me32.ProccntUsage );
printf( "\n Base address = 0x%08X", (DWORD) me32.modBaseAddr );
printf( "\n Base size = %d", me32.modBaseSize );
} while (Module32Next(hModuleSnap, &me32));
CloseHandle(hModuleSnap);
return TRUE;
}
BOOL ListProcessThreads( DWORD dwOwnerPID )
{
HANDLE hThreadSnap = INVALID_HANDLE_VALUE;
THREADENTRY32 te32;
// Take a snapshot of all running threads
hThreadSnap = CreateToolhelp32Snapshot( TH32CS_SNAPTHREAD, 0 );
if (hThreadSnap == INVALID_HANDLE_VALUE)
return( FALSE );
// Fill in the size of the structure before using it.
te32.dwSize = sizeof(THREADENTRY32 );
// Retrieve information about the first thread,
// and exit if unsuccessful
if (!Thread32First( hThreadSnap, &te32 ))
{
printError( TEXT("Thread32First") ); // show cause of failure
CloseHandle( hThreadSnap ); // clean the snapshot object
return( FALSE );
}
// Now walk the thread list of the system,
// and display information about each thread
// associated with the specified process
do
{
if (te32.th32OwnerProcessID == dwOwnerPID)
{
printf( "\n\n THREAD ID = 0x%08X", te32.th32ThreadID );
printf( "\n Base priority = %d", te32.tpBasePri );
printf( "\n Delta priority = %d", te32.tpDeltaPri );
}
} while (Thread32Next(hThreadSnap, &te32));
CloseHandle( hThreadSnap );
return( TRUE );
}
void printError( TCHAR* msg )
{
DWORD eNum;
TCHAR sysMsg[256];
TCHAR* p;
eNum = GetLastError( );
FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, eNum,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
sysMsg, 256, NULL );
// Trim the end of the line and terminate it with a null
p = sysMsg;
while (*p > 31 || *p == 9 )
++p;
do {
*p-- = 0;
} while( p >= sysMsg && (*p == '.' || *p < 33));
// Display the message
_tprintf( TEXT("\n WARNING: %s failed with error %d (%s)"), msg, eNum, sysMsg );
}
#endif
void AttachExternalDialog::procSelected(const QModelIndex &index0)
{
QModelIndex index = index0.sibling(index0.row(), 0);
QStandardItem *item = m_model->itemFromIndex(index);
if (!item)
return;
pidLineEdit->setText(item->text());
accept();
}
int AttachExternalDialog::attachPID() const
{
return pidLineEdit->text().toInt();
}