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/* -*- 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:
*
* Copyright (C) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 - 2010 Red Hat, Inc.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#define G_UDEV_API_IS_SUBJECT_TO_CHANGE
#include <gudev/gudev.h>
#include "mm-modem-anydata-cdma.h"
#include "mm-errors.h"
#include "mm-callback-info.h"
#include "mm-serial-port.h"
#include "mm-serial-parsers.h"
#include "mm-log.h"
static void modem_init (MMModem *modem_class);
G_DEFINE_TYPE_EXTENDED (MMModemAnydataCdma, mm_modem_anydata_cdma, MM_TYPE_GENERIC_CDMA, 0,
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init))
MMModem *
mm_modem_anydata_cdma_new (const char *device,
const char *driver,
const char *plugin,
gboolean evdo_rev0,
gboolean evdo_revA,
guint32 vendor,
guint32 product)
{
g_return_val_if_fail (device != NULL, NULL);
g_return_val_if_fail (driver != NULL, NULL);
g_return_val_if_fail (plugin != NULL, NULL);
return MM_MODEM (g_object_new (MM_TYPE_MODEM_ANYDATA_CDMA,
MM_MODEM_MASTER_DEVICE, device,
MM_MODEM_DRIVER, driver,
MM_MODEM_PLUGIN, plugin,
MM_GENERIC_CDMA_EVDO_REV0, evdo_rev0,
MM_GENERIC_CDMA_EVDO_REVA, evdo_revA,
MM_GENERIC_CDMA_REGISTRATION_TRY_CSS, FALSE,
MM_MODEM_HW_VID, vendor,
MM_MODEM_HW_PID, product,
NULL));
}
/*****************************************************************************/
static const char *
strip_response (const char *resp, const char *cmd)
{
const char *p = resp;
if (p) {
if (!strncmp (p, cmd, strlen (cmd)))
p += strlen (cmd);
while (*p == ' ')
p++;
}
return p;
}
static gboolean
uint_from_match_item (GMatchInfo *match_info, guint32 num, guint32 *val)
{
long int tmp;
char *str;
gboolean success = FALSE;
str = g_match_info_fetch (match_info, num);
g_return_val_if_fail (str != NULL, FALSE);
errno = 0;
tmp = strtol (str, NULL, 10);
if (errno == 0 && tmp >= 0 && tmp <= G_MAXUINT) {
*val = (guint32) tmp;
success = TRUE;
}
g_free (str);
return success;
}
static gboolean
int_from_match_item (GMatchInfo *match_info, guint32 num, gint *val)
{
long int tmp;
char *str;
gboolean success = FALSE;
str = g_match_info_fetch (match_info, num);
g_return_val_if_fail (str != NULL, FALSE);
errno = 0;
tmp = strtol (str, NULL, 10);
if (errno == 0 && tmp >= G_MININT && tmp <= G_MAXINT) {
*val = (gint) tmp;
success = TRUE;
}
g_free (str);
return success;
}
static void
evdo_state_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemCdmaRegistrationState reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
const char *reply;
GRegex *r;
GMatchInfo *match_info;
/* If the modem has already been removed, return without
* scheduling callback */
if (mm_callback_info_check_modem_removed (info))
return;
if (error) {
/* Leave superclass' reg state alone if AT*HSTATE isn't supported */
mm_callback_info_schedule (info);
return;
}
reply = strip_response (response->str, "*HSTATE:");
/* Format is "<at state>,<session state>,<channel>,<pn>,<EcIo>,<rssi>,..." */
r = g_regex_new ("\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*([^,\\)]*)\\s*,\\s*([^,\\)]*)\\s*,.*",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
if (!r) {
/* Parse error; warn about it and assume EVDO is not available */
mm_warn ("ANYDATA: *HSTATE parse regex creation failed.");
goto done;
}
g_regex_match (r, reply, 0, &match_info);
if (g_match_info_get_match_count (match_info) >= 6) {
guint32 val = 0;
gint dbm = 0;
/* dBm is between -106 (worst) and -20.7 (best) */
int_from_match_item (match_info, 6, &dbm);
/* Parse the EVDO radio state */
if (uint_from_match_item (match_info, 1, &val)) {
switch (val) {
case 3: /* IDLE */
/* If IDLE and the EVDO dBm is -105 or lower, assume no service.
* It may be that IDLE actually means NO SERVICE too; not sure.
*/
if (dbm > -105)
reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
break;
case 4: /* ACCESS */
case 5: /* CONNECT */
reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
break;
default:
mm_warn ("ANYDATA: unknown *STATE (%d); assuming no service.", val);
/* fall through */
case 0: /* NO SERVICE */
case 1: /* ACQUISITION */
case 2: /* SYNC */
break;
}
}
}
g_match_info_free (match_info);
g_regex_unref (r);
done:
mm_generic_cdma_query_reg_state_set_callback_evdo_state (info, reg_state);
mm_callback_info_schedule (info);
}
static void
state_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemCdmaRegistrationState reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
const char *reply;
GRegex *r;
GMatchInfo *match_info;
/* If the modem has already been removed, return without
* scheduling callback */
if (mm_callback_info_check_modem_removed (info))
return;
if (error) {
/* Leave superclass' reg state alone if AT*STATE isn't supported */
mm_callback_info_schedule (info);
return;
}
reply = strip_response (response->str, "*STATE:");
/* Format is "<channel>,<pn>,<sid>,<nid>,<state>,<rssi>,..." */
r = g_regex_new ("\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*([^,\\)]*)\\s*,.*",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
if (!r) {
mm_warn ("ANYDATA: *STATE parse regex creation failed.");
mm_callback_info_schedule (info);
return;
}
g_regex_match (r, reply, 0, &match_info);
if (g_match_info_get_match_count (match_info) >= 6) {
guint32 val = 0;
gint dbm = 0;
/* dBm is between -106 (worst) and -20.7 (best) */
int_from_match_item (match_info, 6, &dbm);
/* Parse the 1x radio state */
if (uint_from_match_item (match_info, 5, &val)) {
switch (val) {
case 1: /* IDLE */
/* If IDLE and the 1X dBm is -105 or lower, assume no service.
* It may be that IDLE actually means NO SERVICE too; not sure.
*/
if (dbm > -105)
reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
break;
case 2: /* ACCESS */
case 3: /* PAGING */
case 4: /* TRAFFIC */
reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
break;
default:
mm_warn ("ANYDATA: unknown *STATE (%d); assuming no service.", val);
/* fall through */
case 0: /* NO SERVICE */
break;
}
}
}
g_match_info_free (match_info);
g_regex_unref (r);
mm_generic_cdma_query_reg_state_set_callback_1x_state (info, reg_state);
/* Try for EVDO state too */
mm_at_serial_port_queue_command (port, "*HSTATE?", 3, evdo_state_done, info);
}
static void
query_registration_state (MMGenericCdma *cdma,
MMModemCdmaRegistrationState cur_cdma_state,
MMModemCdmaRegistrationState cur_evdo_state,
MMModemCdmaRegistrationStateFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
info = mm_generic_cdma_query_reg_state_callback_info_new (cdma, cur_cdma_state, cur_evdo_state, callback, user_data);
port = mm_generic_cdma_get_best_at_port (cdma, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_at_serial_port_queue_command (port, "*STATE?", 3, state_done, info);
}
/*****************************************************************************/
static void
reset (MMModem *modem,
MMModemFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
info = mm_callback_info_new (MM_MODEM (modem), callback, user_data);
/* Ensure we have a usable port to use for the command */
port = mm_generic_cdma_get_best_at_port (MM_GENERIC_CDMA (modem), &info->error);
if (port)
mm_at_serial_port_queue_command (port, "*RESET", 3, NULL, NULL);
mm_callback_info_schedule (info);
}
static void
port_grabbed (MMGenericCdma *cdma,
MMPort *port,
MMAtPortFlags pflags,
gpointer user_data)
{
GRegex *regex;
if (MM_IS_AT_SERIAL_PORT (port)) {
/* Data state notifications */
/* Data call has connected */
regex = g_regex_new ("\\r\\n\\*ACTIVE:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
/* Data call disconnected */
regex = g_regex_new ("\\r\\n\\*INACTIVE:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
/* Modem is now dormant */
regex = g_regex_new ("\\r\\n\\*DORMANT:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
/* Abnormal state notifications
*
* FIXME: set 1X/EVDO registration state to UNKNOWN when these
* notifications are received?
*/
/* Network acquisition fail */
regex = g_regex_new ("\\r\\n\\*OFFLINE:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
/* Registration fail */
regex = g_regex_new ("\\r\\n\\*REGREQ:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
/* Authentication fail */
regex = g_regex_new ("\\r\\n\\*AUTHREQ:(.*)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (MM_AT_SERIAL_PORT (port), regex, NULL, NULL, NULL);
g_regex_unref (regex);
}
}
/*****************************************************************************/
static void
modem_init (MMModem *modem_class)
{
modem_class->reset = reset;
}
static void
mm_modem_anydata_cdma_init (MMModemAnydataCdma *self)
{
}
static void
mm_modem_anydata_cdma_class_init (MMModemAnydataCdmaClass *klass)
{
MMGenericCdmaClass *cdma_class = MM_GENERIC_CDMA_CLASS (klass);
mm_modem_anydata_cdma_parent_class = g_type_class_peek_parent (klass);
cdma_class->query_registration_state = query_registration_state;
cdma_class->port_grabbed = port_grabbed;
#if 0
/* FIXME: maybe use AT*SLEEP=0/1 to disable/enable slotted mode for powersave */
cdma_class->post_enable = post_enable;
cdma_class->post_enable = post_disable;
#endif
}