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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * server.c - équivalent Python du fichier "analysis/db/server.c"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "server.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <analysis/db/server.h>
+
+
+#include "constants.h"
+#include "../../access.h"
+#include "../../helpers.h"
+
+
+
+/* Crée un nouvel objet Python de type 'HubServer'. */
+static PyObject *py_hub_server_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Démarre le serveur de base de données. */
+static PyObject *py_hub_server_start(PyObject *, PyObject *);
+
+/* Arrête le serveur de base de données. */
+static PyObject *py_hub_server_stop(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : type = type de l'objet à instancier. *
+* args = arguments fournis à l'appel. *
+* kwds = arguments de type key=val fournis. *
+* *
+* Description : Crée un nouvel objet Python de type 'HubServer'. *
+* *
+* Retour : Instance Python mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_hub_server_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+ PyObject *result; /* Instance à retourner */
+ const char *host; /* Désignation de serveur */
+ const char *port; /* Port d'écoute associé */
+ bool ipv6; /* Préférence pour IPv6 ? */
+ int ret; /* Bilan de lecture des args. */
+ GHubServer *server; /* Serveur mis en place */
+
+#define HUB_SERVER_DOC \
+ "HubServer creates a server listening for binary updates from clients.\n" \
+ "\n" \
+ "Such clients are authenticated and communications are encrypted using TLS.\n" \
+ "\n" \
+ "There are two kinds of servers:\n" \
+ "* one \"local\", which aims to server one given local user account;\n" \
+ "* one \"remote\", which may target several different users at the same time.\n" \
+ "\n" \
+ "Instances can be created using the following constructor:\n" \
+ "\n" \
+ " HubServer(host=None, port='1337', ipv6=True)" \
+ "\n" \
+ "Where host and port define the listening properties of the server, and ipv6" \
+ " tries to establish IPv6 connections first." \
+ "\n" \
+ "Without any parameters, a local server is created."
+
+ host = NULL;
+ port = "1337";
+ ipv6 = true;
+
+ ret = PyArg_ParseTuple(args, "|ssp", &host, &port, &ipv6);
+ if (!ret) return NULL;
+
+ if (host == NULL)
+ server = g_hub_server_new_internal();
+ else
+ server = g_hub_server_new_remote(host, port, ipv6);
+
+ if (server != NULL)
+ {
+ result = pygobject_new(G_OBJECT(server));
+ g_object_unref(server);
+ }
+ else result = NULL;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = serveur à manipuler. *
+* args = arguments d'appel non utilisés ici. *
+* *
+* Description : Démarre le serveur de base de données. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_hub_server_start(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ int backlog; /* Nombre de connexions */
+ int ret; /* Bilan de lecture des args. */
+ GHubServer *server; /* Version native du serveur */
+ bool status; /* Bilan de l'opération */
+
+#define HUB_SERVER_START_METHOD PYTHON_METHOD_DEF \
+( \
+ start, "$self, /, backlog=10", \
+ METH_VARARGS, py_hub_server, \
+ "Run a listening server waiting for client connections." \
+ "\n" \
+ "The backlog argument defines the maximum length to which" \
+ " the queue of pending connections may grow." \
+ "\n" \
+ "The returned value is a status of type" \
+ " pychrysalide.analysis.db.HubServer.ServerStartStatus." \
+)
+
+ backlog = 10;
+
+ ret = PyArg_ParseTuple(args, "|i", &backlog);
+ if (!ret) return NULL;
+
+ server = G_HUB_SERVER(pygobject_get(self));
+
+ status = g_hub_server_start(server, backlog, true);
+
+ result = cast_with_constants_group(get_python_hub_server_type(), "ServerStartStatus", status);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = serveur à manipuler. *
+* args = arguments d'appel non utilisés ici. *
+* *
+* Description : Arrête le serveur de base de données. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_hub_server_stop(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ GHubServer *server; /* Version native du serveur */
+
+#define HUB_SERVER_STOP_METHOD PYTHON_METHOD_DEF \
+( \
+ stop, "$self, /", \
+ METH_NOARGS, py_hub_server, \
+ "Stop the listening server." \
+)
+
+ server = G_HUB_SERVER(pygobject_get(self));
+
+ g_hub_server_stop(server);
+
+ result = Py_None;
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_hub_server_type(void)
+{
+ static PyMethodDef py_hub_server_methods[] = {
+ HUB_SERVER_START_METHOD,
+ HUB_SERVER_STOP_METHOD,
+ { NULL }
+ };
+
+ static PyGetSetDef py_hub_server_getseters[] = {
+ { NULL }
+ };
+
+ static PyTypeObject py_hub_server_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.analysis.db.HubServer",
+ .tp_basicsize = sizeof(PyGObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = HUB_SERVER_DOC,
+
+ .tp_methods = py_hub_server_methods,
+ .tp_getset = py_hub_server_getseters,
+ .tp_new = py_hub_server_new,
+
+ };
+
+ return &py_hub_server_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide....db.HubServer'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_hub_server_is_registered(void)
+{
+ PyTypeObject *type; /* Type Python 'HubServer' */
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ type = get_python_hub_server_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.analysis.db");
+
+ dict = PyModule_GetDict(module);
+
+ if (!register_class_for_pygobject(dict, G_TYPE_HUB_SERVER, type, &PyGObject_Type))
+ return false;
+
+ if (!define_hub_server_constants(type))
+ return false;
+
+ }
+
+ return true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : arg = argument quelconque à tenter de convertir. *
+* dst = destination des valeurs récupérées en cas de succès. *
+* *
+* Description : Tente de convertir en serveur de base de données. *
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_hub_server(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_hub_server_type());
+
+ switch (result)
+ {
+ case -1:
+ /* L'exception est déjà fixée par Python */
+ result = 0;
+ break;
+
+ case 0:
+ PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to hub server");
+ break;
+
+ case 1:
+ *((GHubServer **)dst) = G_HUB_SERVER(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}