221 lines
7.4 KiB
C
221 lines
7.4 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2011 Aleksander Morgado <aleksander@lanedo.com>
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*/
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#include <string.h>
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#include <gmodule.h>
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#include "mm-plugin-cinterion.h"
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#include "mm-modem-cinterion-gsm.h"
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#include "mm-log.h"
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G_DEFINE_TYPE (MMPluginCinterion, mm_plugin_cinterion, MM_TYPE_PLUGIN_BASE)
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int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
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int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
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G_MODULE_EXPORT MMPlugin *
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mm_plugin_create (void)
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{
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return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_CINTERION,
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MM_PLUGIN_BASE_NAME, "Cinterion",
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MM_PLUGIN_BASE_SORT_LAST, TRUE,
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NULL));
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}
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static guint32
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get_level_for_capabilities (guint32 capabilities)
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{
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if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM)
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return 10;
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return 0;
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}
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static gboolean
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check_vendor_cinterion (MMPluginBaseSupportsTask *task)
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{
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MMPluginBase *base;
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GUdevDevice *port;
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const char *subsys, *name;
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guint16 vendor = 0;
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base = MM_PLUGIN_BASE (mm_plugin_base_supports_task_get_plugin (task));
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port = mm_plugin_base_supports_task_get_port (task);
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/* Try to get device IDs from udev. Note that it is not an error
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* if we can't get them in our case, as we also support serial
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* modems. */
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subsys = g_udev_device_get_subsystem (port);
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name = g_udev_device_get_name (port);
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mm_plugin_base_get_device_ids (base, subsys, name, &vendor, NULL);
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/* Vendors: Cinterion (0x1e2d)
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* Siemens (0x0681)
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*/
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if (vendor == 0x1e2d || vendor == 0x0681) {
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mm_dbg ("Cinterion/Siemens USB modem detected");
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return TRUE;
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}
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/* We may get Cinterion modems connected in RS232 port, try to get
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* probed Vendor ID string to check */
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if (mm_plugin_base_supports_task_propagate_cached (task)) {
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const gchar *probed_vendor;
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gchar *probed_vendor_strdown;
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gboolean probed_vendor_correct = FALSE;
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probed_vendor = mm_plugin_base_supports_task_get_probed_vendor (task);
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if (!probed_vendor)
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return FALSE;
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/* Lowercase the vendor string and compare */
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probed_vendor_strdown = g_utf8_strdown (probed_vendor, -1);
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if (strstr (probed_vendor_strdown, "cinterion") ||
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strstr (probed_vendor_strdown, "siemens")) {
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mm_dbg ("Cinterion/Siemens RS232 modem detected");
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probed_vendor_correct = TRUE;
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}
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g_free (probed_vendor_strdown);
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return probed_vendor_correct;
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}
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return FALSE;
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}
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static void
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probe_result (MMPluginBase *base,
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MMPluginBaseSupportsTask *task,
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guint32 capabilities,
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gpointer user_data)
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{
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/* Note: the signal contains only capabilities, but we can also query the
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* probed vendor and product strings here. */
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/* Check vendor */
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mm_plugin_base_supports_task_complete (task,
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(check_vendor_cinterion (task) ?
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get_level_for_capabilities (capabilities) : 0));
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}
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static MMPluginSupportsResult
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supports_port (MMPluginBase *base,
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MMModem *existing,
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MMPluginBaseSupportsTask *task)
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{
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GUdevDevice *port;
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guint32 cached = 0;
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/* Can't do anything with non-serial ports */
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port = mm_plugin_base_supports_task_get_port (task);
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if (strcmp (g_udev_device_get_subsystem (port), "tty"))
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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/* First thing to check in this plugin is if we got capabilities already.
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* This is because we have a later check of the probed vendor, which is
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* taken also during port probing.
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* Note that we also relaunch a port probe if we got a cached value but no
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* capabilities set (used when trying to detect RS232 modems during
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* re-scans). */
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if (!mm_plugin_base_supports_task_propagate_cached (task) ||
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!mm_plugin_base_supports_task_get_probed_capabilities (task)) {
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/* Kick off a probe */
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if (mm_plugin_base_probe_port (base, task, 100000, NULL))
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return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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}
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/* Check vendor */
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if (!check_vendor_cinterion (task))
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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/* Completed! */
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cached = mm_plugin_base_supports_task_get_probed_capabilities (task);
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mm_plugin_base_supports_task_complete (task, get_level_for_capabilities (cached));
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return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
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}
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static MMModem *
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grab_port (MMPluginBase *base,
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MMModem *existing,
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MMPluginBaseSupportsTask *task,
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GError **error)
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{
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GUdevDevice *port = NULL;
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MMModem *modem = NULL;
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const char *name, *subsys, *sysfs_path;
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guint32 caps;
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guint16 vendor = 0x1e2d;
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guint16 product = 0;
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port = mm_plugin_base_supports_task_get_port (task);
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g_assert (port);
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/* Try to get Product IDs from udev. Note that it is not an error
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* if we can't get them in our case, as we also support serial
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* modems. */
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subsys = g_udev_device_get_subsystem (port);
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name = g_udev_device_get_name (port);
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mm_plugin_base_get_device_ids (base, subsys, name, NULL, &product);
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caps = mm_plugin_base_supports_task_get_probed_capabilities (task);
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sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task);
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if (!existing) {
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if (caps & MM_PLUGIN_BASE_PORT_CAP_GSM) {
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modem = mm_modem_cinterion_gsm_new (sysfs_path,
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mm_plugin_base_supports_task_get_driver (task),
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mm_plugin_get_name (MM_PLUGIN (base)),
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vendor,
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product);
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}
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if (modem) {
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if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error)) {
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g_object_unref (modem);
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return NULL;
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}
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}
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} else if (get_level_for_capabilities (caps)) {
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modem = existing;
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if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error))
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return NULL;
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}
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return modem;
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}
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/*****************************************************************************/
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static void
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mm_plugin_cinterion_init (MMPluginCinterion *self)
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{
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g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL);
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}
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static void
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mm_plugin_cinterion_class_init (MMPluginCinterionClass *klass)
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{
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MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
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pb_class->supports_port = supports_port;
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pb_class->grab_port = grab_port;
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}
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