anydata: get detailed CDMA1x/EVDO registration states

plugins/anydata/mm-broadband-modem-anydata.c

@@ -26,6 +26,7 @@
 #include "ModemManager.h"
 #include "mm-serial-parsers.h"
 #include "mm-log.h"
+#include "mm-modem-helpers.h"
 #include "mm-errors-types.h"
 #include "mm-base-modem-at.h"
 #include "mm-broadband-modem-anydata.h"
@@ -36,6 +37,220 @@ static void iface_modem_cdma_init (MMIfaceModemCdma *iface);
 G_DEFINE_TYPE_EXTENDED (MMBroadbandModemAnydata, mm_broadband_modem_anydata, MM_TYPE_BROADBAND_MODEM, 0,
                         G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_CDMA, iface_modem_cdma_init));
 
+/*****************************************************************************/
+/* Detailed registration state (CDMA interface) */
+typedef struct {
+    MMModemCdmaRegistrationState detailed_cdma1x_state;
+    MMModemCdmaRegistrationState detailed_evdo_state;
+} DetailedRegistrationStateResults;
+
+typedef struct {
+    MMBroadbandModem *self;
+    GSimpleAsyncResult *result;
+    MMAtSerialPort *port;
+    MMModemCdmaRegistrationState cdma1x_state;
+    MMModemCdmaRegistrationState evdo_state;
+    GError *error;
+} DetailedRegistrationStateContext;
+
+static void
+detailed_registration_state_context_complete_and_free (DetailedRegistrationStateContext *ctx)
+{
+    if (ctx->error)
+        g_simple_async_result_take_error (ctx->result, ctx->error);
+    else {
+        DetailedRegistrationStateResults *results;
+
+        results = g_new (DetailedRegistrationStateResults, 1);
+        results->detailed_cdma1x_state = ctx->cdma1x_state;
+        results->detailed_evdo_state = ctx->evdo_state;
+        g_simple_async_result_set_op_res_gpointer (ctx->result, results, g_free);
+    }
+
+    g_simple_async_result_complete (ctx->result);
+    g_object_unref (ctx->port);
+    g_object_unref (ctx->result);
+    g_object_unref (ctx->self);
+    g_free (ctx);
+}
+
+static gboolean
+get_detailed_registration_state_finish (MMIfaceModemCdma *self,
+                                        GAsyncResult *res,
+                                        MMModemCdmaRegistrationState *detailed_cdma1x_state,
+                                        MMModemCdmaRegistrationState *detailed_evdo_state,
+                                        GError **error)
+{
+    DetailedRegistrationStateResults *results;
+
+    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
+        return FALSE;
+
+    results = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
+    *detailed_cdma1x_state = results->detailed_cdma1x_state;
+    *detailed_evdo_state = results->detailed_evdo_state;
+    return TRUE;
+}
+
+static void
+hstate_ready (MMIfaceModemCdma *self,
+              GAsyncResult *res,
+              DetailedRegistrationStateContext *ctx)
+{
+    GError *error = NULL;
+    const gchar *response;
+    GRegex *r;
+    GMatchInfo *match_info;
+
+    response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error);
+    if (error) {
+        /* Leave superclass' reg state alone if AT*HSTATE isn't supported */
+        g_error_free (error);
+        /* Result is set here when completing */
+        detailed_registration_state_context_complete_and_free (ctx);
+        return;
+    }
+
+    response = mm_strip_tag (response, "*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);
+    g_assert (r != NULL);
+
+    g_regex_match (r, response, 0, &match_info);
+    if (g_match_info_get_match_count (match_info) >= 6) {
+        guint val = 0;
+        gint dbm = 0;
+
+        /* dBm is between -106 (worst) and -20.7 (best) */
+        mm_get_int_from_match_info (match_info, 6, &dbm);
+
+        /* Parse the EVDO radio state */
+        if (mm_get_uint_from_match_info (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)
+                    ctx->evdo_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
+                break;
+            case 4:  /* ACCESS */
+            case 5:  /* CONNECT */
+                ctx->evdo_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);
+
+    /* Result is set here when completing */
+    detailed_registration_state_context_complete_and_free (ctx);
+}
+
+static void
+state_ready (MMIfaceModemCdma *self,
+             GAsyncResult *res,
+             DetailedRegistrationStateContext *ctx)
+{
+    const gchar *response;
+    GRegex *r;
+    GMatchInfo *match_info;
+
+    response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &ctx->error);
+    if (ctx->error) {
+        detailed_registration_state_context_complete_and_free (ctx);
+        return;
+    }
+
+    response = mm_strip_tag (response, "*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);
+    g_assert (r != NULL);
+
+    g_regex_match (r, response, 0, &match_info);
+    if (g_match_info_get_match_count (match_info) >= 6) {
+        guint val = 0;
+        gint dbm = 0;
+
+        /* dBm is between -106 (worst) and -20.7 (best) */
+        mm_get_int_from_match_info (match_info, 6, &dbm);
+
+        /* Parse the 1x radio state */
+        if (mm_get_uint_from_match_info (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)
+                    ctx->cdma1x_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
+                break;
+            case 2:  /* ACCESS */
+            case 3:  /* PAGING */
+            case 4:  /* TRAFFIC */
+                ctx->cdma1x_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);
+
+    /* Try for EVDO state too */
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "*HSTATE?",
+                              3,
+                              FALSE,
+                              (GAsyncReadyCallback)hstate_ready,
+                              ctx);
+}
+
+static void
+get_detailed_registration_state (MMIfaceModemCdma *self,
+                                 MMModemCdmaRegistrationState cdma1x_state,
+                                 MMModemCdmaRegistrationState evdo_state,
+                                 GAsyncReadyCallback callback,
+                                 gpointer user_data)
+{
+    DetailedRegistrationStateContext *ctx;
+
+    /* Setup context */
+    ctx = g_new0 (DetailedRegistrationStateContext, 1);
+    ctx->self = g_object_ref (self);
+    ctx->result = g_simple_async_result_new (G_OBJECT (self),
+                                             callback,
+                                             user_data,
+                                             get_detailed_registration_state);
+    ctx->cdma1x_state = cdma1x_state;
+    ctx->evdo_state = evdo_state;
+
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "*STATE?",
+                              3,
+                              FALSE,
+                              (GAsyncReadyCallback)state_ready,
+                              ctx);
+}
+
 /*****************************************************************************/
 
 MMBroadbandModemAnydata *
@@ -64,6 +279,8 @@ iface_modem_cdma_init (MMIfaceModemCdma *iface)
 {
     iface->get_cdma1x_serving_system = NULL;
     iface->get_cdma1x_serving_system_finish = NULL;
+    iface->get_detailed_registration_state = get_detailed_registration_state;
+    iface->get_detailed_registration_state_finish = get_detailed_registration_state_finish;
 }
 
 static void