diff options
Diffstat (limited to 'plugins/mm-plugin-iridium.c')
| -rw-r--r-- | plugins/mm-plugin-iridium.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/plugins/mm-plugin-iridium.c b/plugins/mm-plugin-iridium.c new file mode 100644 index 00000000..8b94161f --- /dev/null +++ b/plugins/mm-plugin-iridium.c @@ -0,0 +1,218 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ + +/* + * This program 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 2 of the + * License, or (at your option) any later version. + * + * This program 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. + * + * Copyright (C) 2011 Ammonit Measurement GmbH + * Author: Aleksander Morgado <aleksander@lanedo.com> + */ + +#include <string.h> +#include <gmodule.h> +#include "mm-plugin-iridium.h" +#include "mm-modem-iridium-gsm.h" +#include "mm-log.h" + +G_DEFINE_TYPE (MMPluginIridium, mm_plugin_iridium, MM_TYPE_PLUGIN_BASE) + +int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION; +int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION; + +G_MODULE_EXPORT MMPlugin * +mm_plugin_create (void) +{ + return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_IRIDIUM, + MM_PLUGIN_BASE_NAME, "Iridium", + MM_PLUGIN_BASE_SORT_LAST, TRUE, + NULL)); +} + +static guint32 +get_level_for_capabilities (guint32 capabilities) +{ + if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM && + capabilities & MM_PLUGIN_BASE_PORT_CAP_IRIDIUM) + return 10; + return 0; +} + +static gboolean +check_vendor_iridium (MMPluginBaseSupportsTask *task) +{ + MMPluginBase *base; + GUdevDevice *port; + const char *subsys, *name; + guint16 vendor = 0; + + base = MM_PLUGIN_BASE (mm_plugin_base_supports_task_get_plugin (task)); + port = mm_plugin_base_supports_task_get_port (task); + + /* Try to get device IDs from udev. Note that it is not an error + * if we can't get them in our case, as we also support serial + * modems. */ + subsys = g_udev_device_get_subsystem (port); + name = g_udev_device_get_name (port); + mm_plugin_base_get_device_ids (base, subsys, name, &vendor, NULL); + + /* Vendors: Iridium (0x1edd)*/ + if (vendor == 0x1edd) { + mm_dbg ("Iridium USB modem detected"); + return TRUE; + } + + /* We may get Iridium modems connected in RS232 port, try to get + * probed Vendor ID string to check */ + if (mm_plugin_base_supports_task_propagate_cached (task)) { + const gchar *probed_vendor; + gchar *probed_vendor_strdown; + gboolean probed_vendor_correct = FALSE; + + probed_vendor = mm_plugin_base_supports_task_get_probed_vendor (task); + if (!probed_vendor) + return FALSE; + + /* Lowercase the vendor string and compare */ + probed_vendor_strdown = g_utf8_strdown (probed_vendor, -1); + if (strstr (probed_vendor_strdown, "iridium")) { + mm_dbg ("Iridium RS232 modem detected"); + probed_vendor_correct = TRUE; + } + + g_free (probed_vendor_strdown); + + return probed_vendor_correct; + } + + return FALSE; +} + +static void +probe_result (MMPluginBase *base, + MMPluginBaseSupportsTask *task, + guint32 capabilities, + gpointer user_data) +{ + /* Note: the signal contains only capabilities, but we can also query the + * probed vendor and product strings here. */ + + /* Check vendor */ + mm_plugin_base_supports_task_complete (task, + (check_vendor_iridium (task) ? + get_level_for_capabilities (capabilities) : 0)); +} + +static MMPluginSupportsResult +supports_port (MMPluginBase *base, + MMModem *existing, + MMPluginBaseSupportsTask *task) +{ + GUdevDevice *port; + guint32 cached = 0; + + /* Can't do anything with non-serial ports */ + port = mm_plugin_base_supports_task_get_port (task); + if (strcmp (g_udev_device_get_subsystem (port), "tty")) + return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; + + /* First thing to check in this plugin is if we got capabilities already. + * This is because we have a later check of the probed vendor, which is + * taken also during port probing. + * Note that we also relaunch a port probe if we got a cached value but no + * capabilities set (used when trying to detect RS232 modems during + * re-scans). */ + if (!mm_plugin_base_supports_task_propagate_cached (task) || + !mm_plugin_base_supports_task_get_probed_capabilities (task)) { + /* Kick off a probe */ + if (mm_plugin_base_probe_port (base, task, 100000, NULL)) + return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS; + + return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; + } + + /* Check vendor */ + if (!check_vendor_iridium (task)) + return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; + + /* Completed! */ + mm_plugin_base_supports_task_complete (task, get_level_for_capabilities (cached)); + return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS; +} + +static MMModem * +grab_port (MMPluginBase *base, + MMModem *existing, + MMPluginBaseSupportsTask *task, + GError **error) +{ + GUdevDevice *port = NULL; + MMModem *modem = NULL; + const char *name, *subsys, *sysfs_path; + guint32 caps; + guint16 vendor = 0x1e2d; + guint16 product = 0; + + port = mm_plugin_base_supports_task_get_port (task); + g_assert (port); + + /* Try to get Product IDs from udev. Note that it is not an error + * if we can't get them in our case, as we also support serial + * modems. */ + subsys = g_udev_device_get_subsystem (port); + name = g_udev_device_get_name (port); + mm_plugin_base_get_device_ids (base, subsys, name, NULL, &product); + + caps = mm_plugin_base_supports_task_get_probed_capabilities (task); + sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task); + if (!existing) { + if (caps & MM_PLUGIN_BASE_PORT_CAP_GSM) { + modem = mm_modem_iridium_gsm_new (sysfs_path, + mm_plugin_base_supports_task_get_driver (task), + mm_plugin_get_name (MM_PLUGIN (base)), + vendor, + product); + } + + if (modem) { + if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error)) { + g_object_unref (modem); + return NULL; + } + } + } else if (get_level_for_capabilities (caps)) { + modem = existing; + if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error)) + return NULL; + } + + return modem; +} + +/*****************************************************************************/ + +static void +mm_plugin_iridium_init (MMPluginIridium *self) +{ + g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL); +} + +static void +mm_plugin_iridium_class_init (MMPluginIridiumClass *klass) +{ + MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass); + + pb_class->supports_port = supports_port; + pb_class->grab_port = grab_port; +} |