pgadmin4/runtime/Server.cpp

140 lines
3.8 KiB
C++

//////////////////////////////////////////////////////////////////////////
//
// pgAdmin 4 - PostgreSQL Tools
//
// Copyright (C) 2013 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// Server.cpp - Thread in which the web server will run.
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin4.h"
// Must be before QT
#include <Python.h>
// QT headers
#include <QDebug>
#include <QDir>
#include <QMessageBox>
// App headers
#include "Server.h"
Server::Server(quint16 port)
{
// Appserver port
m_port = port;
m_wcAppName = NULL;
// Initialise Python
Py_NoSiteFlag=1;
// Python3 requires conversion of char * to wchar_t *, so...
#ifdef PYTHON2
Py_SetProgramName(PGA_APP_NAME.toUtf8().data());
#else
char *appName = PGA_APP_NAME.toUtf8().data();
const size_t cSize = strlen(appName)+1;
m_wcAppName = new wchar_t[cSize];
mbstowcs (m_wcAppName, appName, cSize);
Py_SetProgramName(m_wcAppName);
#endif
Py_Initialize();
// Setup the search path
QSettings settings;
QString python_path = settings.value("PythonPath").toString();
if (python_path.length() > 0)
{
// Split the path setting into individual entries
QStringList path_list = python_path.split(";", QString::SkipEmptyParts);
// Get the current path
PyObject* sysPath = PySys_GetObject((char*)"path");
// Add new additional path elements
for (int i = path_list.size() - 1; i >= 0 ; --i)
{
#ifdef PYTHON2
PyList_Append(sysPath, PyString_FromString(path_list.at(i).toUtf8().data()));
#else
PyList_Append(sysPath, PyBytes_FromString(path_list.at(i).toUtf8().data()));
#endif
}
}
}
Server::~Server()
{
if (m_wcAppName)
delete m_wcAppName;
// Shutdown Python
Py_Finalize();
}
bool Server::Init()
{
QSettings settings;
// Find the webapp
QStringList paths;
paths.append("../web/"); // Linux source tree
paths.append("../../web/"); // Windows source tree
paths.append("../../../../web/"); // Mac source tree (in a dev env)
paths.append("../Resources/web/"); // Mac source tree (in a release app bundle)
paths.append(settings.value("ApplicationPath").toString()); // System configured value
paths.append(""); // Should be last!
for (int i = 0; i < paths.size(); ++i)
{
QDir dir(QCoreApplication::applicationDirPath() + "/" + paths[i]);
m_appfile = dir.canonicalPath() + "/pgAdmin4.py";
if (QFile::exists(m_appfile))
{
qDebug() << "Webapp path: " << m_appfile;
break;
}
}
if (!QFile::exists(m_appfile))
{
setError(tr("Failed to locate pgAdmin4.py, terminating server thread."));
return false;
}
return true;
}
void Server::run()
{
// Open the application code and run it.
FILE *cp = fopen(m_appfile.toUtf8().data(), "r");
if (!cp)
{
setError(QString(tr("Failed to open the application file: %1, server thread exiting.")).arg(m_appfile));
return;
}
// Set the port number
PyRun_SimpleString(QString("PGADMIN_PORT = %1").arg(m_port).toLatin1());
#ifdef PYTHON2
PyObject* PyFileObject = PyFile_FromString(m_appfile.toUtf8().data(), (char *)"r");
if (PyRun_SimpleFile(PyFile_AsFile(PyFileObject), m_appfile.toUtf8().data()) != 0)
setError(tr("Failed to launch the application server, server thread exiting."));
#else
int fd = fileno(cp);
PyObject* PyFileObject = PyFile_FromFd(fd, m_appfile.toUtf8().data(), (char *)"r", -1, NULL, NULL,NULL,1);
if (PyRun_SimpleFile(fdopen(PyObject_AsFileDescriptor(PyFileObject),"r"), m_appfile.toUtf8().data()) != 0)
setError(tr("Failed to launch the application server, server thread exiting."));
#endif
fclose(cp);
}