[PATCH v2 06/13] ublox: new AT+UACT=? test parser

Aleksander Morgado aleksander at aleksander.es
Fri Sep 15 23:22:27 UTC 2017


On 14/09/17 22:01, Aleksander Morgado wrote:
> ---
>  plugins/ublox/mm-modem-helpers-ublox.c         | 118 +++++++++++++++++++++++++
>  plugins/ublox/mm-modem-helpers-ublox.h         |   9 ++
>  plugins/ublox/tests/test-modem-helpers-ublox.c |  98 ++++++++++++++++++++
>  3 files changed, 225 insertions(+)
> 

Merged to git master.

> diff --git a/plugins/ublox/mm-modem-helpers-ublox.c b/plugins/ublox/mm-modem-helpers-ublox.c
> index f60a1459..cf7a295f 100644
> --- a/plugins/ublox/mm-modem-helpers-ublox.c
> +++ b/plugins/ublox/mm-modem-helpers-ublox.c
> @@ -988,6 +988,124 @@ mm_ublox_parse_uact_response (const gchar  *response,
>      return bands;
>  }
> 
> +/*****************************************************************************/
> +/* UACT=? response parser */
> +
> +static GArray *
> +parse_bands_from_string (const gchar *str,
> +                         const gchar *group)
> +{
> +    GArray *bands = NULL;
> +    GError *inner_error = NULL;
> +    GArray *nums;
> +
> +    nums = mm_parse_uint_list (str, &inner_error);
> +    if (nums) {
> +        gchar *tmpstr;
> +
> +        bands = uact_num_array_to_band_array (nums);
> +        tmpstr = mm_common_build_bands_string ((MMModemBand *)(bands->data), bands->len);
> +        mm_dbg ("modem reports support for %s bands: %s", group, tmpstr);
> +        g_free (tmpstr);
> +
> +        g_array_unref (nums);
> +    } else if (inner_error) {
> +        mm_warn ("couldn't parse list of supported %s bands: %s", group, inner_error->message);
> +        g_clear_error (&inner_error);
> +    }
> +
> +    return bands;
> +}
> +
> +gboolean
> +mm_ublox_parse_uact_test (const gchar  *response,
> +                          GArray      **bands2g_out,
> +                          GArray      **bands3g_out,
> +                          GArray      **bands4g_out,
> +                          GError      **error)
> +{
> +    GRegex       *r;
> +    GMatchInfo   *match_info;
> +    GError       *inner_error = NULL;
> +    const gchar  *bands2g_str = NULL;
> +    const gchar  *bands3g_str = NULL;
> +    const gchar  *bands4g_str = NULL;
> +    GArray       *bands2g = NULL;
> +    GArray       *bands3g = NULL;
> +    GArray       *bands4g = NULL;
> +    gchar       **split = NULL;
> +
> +    g_assert (bands2g_out && bands3g_out && bands4g_out);
> +
> +    /*
> +     * AT+UACT=?
> +     * +UACT: ,,,(900,1800),(1,8),(101,103,107,108,120),(138)
> +     */
> +    r = g_regex_new ("\\+UACT: ([^,]*),([^,]*),([^,]*),(.*)(?:\\r\\n)?",
> +                     G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW, 0, NULL);
> +    g_assert (r != NULL);
> +
> +    g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
> +    if (inner_error)
> +        goto out;
> +
> +    if (g_match_info_matches (match_info)) {
> +        gchar *aux;
> +        guint n_groups;
> +
> +        aux  = mm_get_string_unquoted_from_match_info (match_info, 4);
> +        split = mm_split_string_groups (aux);
> +        n_groups = g_strv_length (split);
> +        if (n_groups >= 1)
> +            bands2g_str = split[0];
> +        if (n_groups >= 2)
> +            bands3g_str = split[1];
> +        if (n_groups >= 3)
> +            bands4g_str = split[2];
> +        g_free (aux);
> +    }
> +
> +    if (!bands2g_str && !bands3g_str && !bands4g_str) {
> +        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
> +                                   "frequency groups not found: %s", response);
> +        goto out;
> +    }
> +
> +    bands2g = parse_bands_from_string (bands2g_str, "2G");
> +    bands3g = parse_bands_from_string (bands3g_str, "3G");
> +    bands4g = parse_bands_from_string (bands4g_str, "4G");
> +
> +    if (!bands2g->len && !bands3g->len && !bands4g->len) {
> +        inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
> +                                   "no supported frequencies reported: %s", response);
> +        goto out;
> +    }
> +
> +    /* success */
> +
> +out:
> +    g_strfreev (split);
> +    if (match_info)
> +        g_match_info_free (match_info);
> +    g_regex_unref (r);
> +
> +    if (inner_error) {
> +        if (bands2g)
> +            g_array_unref (bands2g);
> +        if (bands3g)
> +            g_array_unref (bands3g);
> +        if (bands4g)
> +            g_array_unref (bands4g);
> +        g_propagate_error (error, inner_error);
> +        return FALSE;
> +    }
> +
> +    *bands2g_out = bands2g;
> +    *bands3g_out = bands3g;
> +    *bands4g_out = bands4g;
> +    return TRUE;
> +}
> +
>  /*****************************************************************************/
>  /* URAT? response parser */
> 
> diff --git a/plugins/ublox/mm-modem-helpers-ublox.h b/plugins/ublox/mm-modem-helpers-ublox.h
> index cac11ade..516e49f6 100644
> --- a/plugins/ublox/mm-modem-helpers-ublox.h
> +++ b/plugins/ublox/mm-modem-helpers-ublox.h
> @@ -112,6 +112,15 @@ gchar *mm_ublox_build_ubandsel_set_command (GArray  *bands,
>  GArray *mm_ublox_parse_uact_response (const gchar  *response,
>                                        GError      **error);
> 
> +/*****************************************************************************/
> +/* UACT=? test parser */
> +
> +gboolean mm_ublox_parse_uact_test (const gchar  *response,
> +                                   GArray      **bands_2g,
> +                                   GArray      **bands_3g,
> +                                   GArray      **bands_4g,
> +                                   GError      **error);
> +
>  /*****************************************************************************/
>  /* Get mode to apply when ANY */
> 
> diff --git a/plugins/ublox/tests/test-modem-helpers-ublox.c b/plugins/ublox/tests/test-modem-helpers-ublox.c
> index 587b5a38..bb54cc17 100644
> --- a/plugins/ublox/tests/test-modem-helpers-ublox.c
> +++ b/plugins/ublox/tests/test-modem-helpers-ublox.c
> @@ -791,6 +791,100 @@ test_uact_response_2g3g4g (void)
>                                     expected_bands, G_N_ELEMENTS (expected_bands));
>  }
> 
> +/*****************************************************************************/
> +/* Test +UACT=? test parser */
> +
> +static void
> +common_validate_uact_test (const gchar       *str,
> +                           const MMModemBand *expected_bands_2g,
> +                           guint              n_expected_bands_2g,
> +                           const MMModemBand *expected_bands_3g,
> +                           guint              n_expected_bands_3g,
> +                           const MMModemBand *expected_bands_4g,
> +                           guint              n_expected_bands_4g)
> +{
> +    GError   *error = NULL;
> +    gboolean  result;
> +    GArray   *bands_2g = NULL;
> +    GArray   *bands_3g = NULL;
> +    GArray   *bands_4g = NULL;
> +
> +    result = mm_ublox_parse_uact_test (str, &bands_2g, &bands_3g, &bands_4g, &error);
> +    g_assert_no_error (error);
> +    g_assert (result);
> +
> +    common_compare_bands (bands_2g, expected_bands_2g, n_expected_bands_2g);
> +    common_compare_bands (bands_3g, expected_bands_3g, n_expected_bands_3g);
> +    common_compare_bands (bands_4g, expected_bands_4g, n_expected_bands_4g);
> +}
> +
> +static void
> +test_uact_test_2g (void)
> +{
> +    const MMModemBand expected_bands_2g[] = {
> +        MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS
> +    };
> +
> +    common_validate_uact_test ("+UACT: ,,,(900,1800)\r\n",
> +                               expected_bands_2g, G_N_ELEMENTS (expected_bands_2g),
> +                               NULL, 0,
> +                               NULL, 0);
> +}
> +
> +static void
> +test_uact_test_2g3g (void)
> +{
> +    const MMModemBand expected_bands_2g[] = {
> +        MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS
> +    };
> +    const MMModemBand expected_bands_3g[] = {
> +        MM_MODEM_BAND_UTRAN_1, MM_MODEM_BAND_UTRAN_8
> +    };
> +
> +    common_validate_uact_test ("+UACT: ,,,(900,1800),(1,8)\r\n",
> +                               expected_bands_2g, G_N_ELEMENTS (expected_bands_2g),
> +                               expected_bands_3g, G_N_ELEMENTS (expected_bands_3g),
> +                               NULL, 0);
> +}
> +
> +static void
> +test_uact_test_2g3g4g (void)
> +{
> +    const MMModemBand expected_bands_2g[] = {
> +        MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS
> +    };
> +    const MMModemBand expected_bands_3g[] = {
> +        MM_MODEM_BAND_UTRAN_1, MM_MODEM_BAND_UTRAN_8
> +    };
> +    const MMModemBand expected_bands_4g[] = {
> +        MM_MODEM_BAND_EUTRAN_1, MM_MODEM_BAND_EUTRAN_3, MM_MODEM_BAND_EUTRAN_7, MM_MODEM_BAND_EUTRAN_8, MM_MODEM_BAND_EUTRAN_20
> +    };
> +
> +    common_validate_uact_test ("+UACT: ,,,(900,1800),(1,8),(101,103,107,108,120)\r\n",
> +                               expected_bands_2g, G_N_ELEMENTS (expected_bands_2g),
> +                               expected_bands_3g, G_N_ELEMENTS (expected_bands_3g),
> +                               expected_bands_4g, G_N_ELEMENTS (expected_bands_4g));
> +}
> +
> +static void
> +test_uact_test_2g3g4g_2 (void)
> +{
> +    const MMModemBand expected_bands_2g[] = {
> +        MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS
> +    };
> +    const MMModemBand expected_bands_3g[] = {
> +        MM_MODEM_BAND_UTRAN_1, MM_MODEM_BAND_UTRAN_8
> +    };
> +    const MMModemBand expected_bands_4g[] = {
> +        MM_MODEM_BAND_EUTRAN_1, MM_MODEM_BAND_EUTRAN_3, MM_MODEM_BAND_EUTRAN_7, MM_MODEM_BAND_EUTRAN_8, MM_MODEM_BAND_EUTRAN_20
> +    };
> +
> +    common_validate_uact_test ("+UACT: ,,,(900,1800),(1,8),(101,103,107,108,120),(138)\r\n",
> +                               expected_bands_2g, G_N_ELEMENTS (expected_bands_2g),
> +                               expected_bands_3g, G_N_ELEMENTS (expected_bands_3g),
> +                               expected_bands_4g, G_N_ELEMENTS (expected_bands_4g));
> +}
> +
>  /*****************************************************************************/
>  /* Test +UGCNTRD responses */
> 
> @@ -925,6 +1019,10 @@ int main (int argc, char **argv)
>      g_test_add_func ("/MM/ublox/uact/response/2g",         test_uact_response_2g);
>      g_test_add_func ("/MM/ublox/uact/response/2g3g",       test_uact_response_2g3g);
>      g_test_add_func ("/MM/ublox/uact/response/2g3g4g",     test_uact_response_2g3g4g);
> +    g_test_add_func ("/MM/ublox/uact/test/2g",       test_uact_test_2g);
> +    g_test_add_func ("/MM/ublox/uact/test/2g3g",     test_uact_test_2g3g);
> +    g_test_add_func ("/MM/ublox/uact/test/2g3g4g",   test_uact_test_2g3g4g);
> +    g_test_add_func ("/MM/ublox/uact/test/2g3g4g/2", test_uact_test_2g3g4g_2);
>      g_test_add_func ("/MM/ublox/ugcntrd/response", test_ugcntrd_response);
> 
>      return g_test_run ();
> --
> 2.14.1
> 


-- 
Aleksander
https://aleksander.es


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