udev: modem port refactor; convert 'hso' to udev

Create a base MMPort class to handle both tty and net ports generically,
and move plugins over to that.  Also port the 'hso' plugin to udev.

1 files changed, 156 insertions, 0 deletions

diff --git a/src/mm-modem-base.c b/src/mm-modem-base.c
new file mode 100644
index 00000000..1e719e58
--- /dev/null
+++ b/src/mm-modem-base.c
@@ -0,0 +1,156 @@
+/* -*- 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 Red Hat, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "mm-modem-base.h"
+#include "mm-serial-port.h"
+#include "mm-errors.h"
+#include "mm-options.h"
+
+G_DEFINE_TYPE (MMModemBase, mm_modem_base, G_TYPE_OBJECT)
+
+#define MM_MODEM_BASE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MODEM_BASE, MMModemBasePrivate))
+
+typedef struct {
+    GHashTable *ports;
+} MMModemBasePrivate;
+
+static char *
+get_hash_key (const char *subsys, const char *name)
+{
+    return g_strdup_printf ("%s%s", subsys, name);
+}
+
+MMPort *
+mm_modem_base_get_port (MMModemBase *self,
+                        const char *subsys,
+                        const char *name)
+{
+    MMPort *port;
+    char *key;
+
+    g_return_val_if_fail (self != NULL, NULL);
+    g_return_val_if_fail (MM_IS_MODEM_BASE (self), NULL);
+    g_return_val_if_fail (name != NULL, NULL);
+    g_return_val_if_fail (subsys != NULL, NULL);
+
+    g_return_val_if_fail (!strcmp (subsys, "net") || !strcmp (subsys, "tty"), NULL);
+
+    key = get_hash_key (subsys, name);
+    port = g_hash_table_lookup (MM_MODEM_BASE_GET_PRIVATE (self)->ports, key);
+    g_free (key);
+    return NULL;
+}
+
+static void
+find_primary (gpointer key, gpointer data, gpointer user_data)
+{
+    MMPort **found = user_data;
+    MMPort *port = MM_PORT (data);
+
+    if (!*found && (mm_port_get_port_type (port) == MM_PORT_TYPE_PRIMARY))
+        *found = port;
+}
+
+MMPort *
+mm_modem_base_add_port (MMModemBase *self,
+                        const char *subsys,
+                        const char *name,
+                        MMPortType ptype)
+{
+    MMModemBasePrivate *priv = MM_MODEM_BASE_GET_PRIVATE (self);
+    MMPort *port = NULL;
+    char *key;
+
+    g_return_val_if_fail (MM_IS_MODEM_BASE (self), NULL);
+    g_return_val_if_fail (subsys != NULL, NULL);
+    g_return_val_if_fail (name != NULL, NULL);
+    g_return_val_if_fail (ptype != MM_PORT_TYPE_UNKNOWN, NULL);
+
+    g_return_val_if_fail (!strcmp (subsys, "net") || !strcmp (subsys, "tty"), NULL);
+
+    key = get_hash_key (subsys, name);
+    port = g_hash_table_lookup (priv->ports, key);
+    g_free (key);
+    g_return_val_if_fail (port == NULL, NULL);
+
+    if (ptype == MM_PORT_TYPE_PRIMARY) {
+        g_hash_table_foreach (priv->ports, find_primary, &port);
+        g_return_val_if_fail (port == NULL, FALSE);
+    }
+
+    if (!strcmp (subsys, "tty"))
+        port = MM_PORT (mm_serial_port_new (name, ptype));
+    else if (!strcmp (subsys, "net")) {
+        port = MM_PORT (g_object_new (MM_TYPE_PORT,
+                                      MM_PORT_DEVICE, name,
+                                      MM_PORT_SUBSYS, MM_PORT_SUBSYS_NET,
+                                      MM_PORT_TYPE, ptype,
+                                      NULL));
+    }
+
+    if (!port)
+        return NULL;
+
+    key = get_hash_key (subsys, name);
+    g_hash_table_insert (priv->ports, key, port);
+    return port;
+}
+
+gboolean
+mm_modem_base_remove_port (MMModemBase *self, MMPort *port)
+{
+    g_return_val_if_fail (MM_IS_MODEM_BASE (self), FALSE);
+    g_return_val_if_fail (port != NULL, FALSE);
+
+    return g_hash_table_remove (MM_MODEM_BASE_GET_PRIVATE (self)->ports, port);
+}
+
+/*****************************************************************************/
+
+static void
+mm_modem_base_init (MMModemBase *self)
+{
+    MMModemBasePrivate *priv = MM_MODEM_BASE_GET_PRIVATE (self);
+
+    priv->ports = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+}
+
+static void
+finalize (GObject *object)
+{
+    MMModemBase *self = MM_MODEM_BASE (object);
+    MMModemBasePrivate *priv = MM_MODEM_BASE_GET_PRIVATE (self);
+
+    g_hash_table_destroy (priv->ports);
+
+    G_OBJECT_CLASS (mm_modem_base_parent_class)->finalize (object);
+}
+
+static void
+mm_modem_base_class_init (MMModemBaseClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+    g_type_class_add_private (object_class, sizeof (MMModemBasePrivate));
+
+    /* Virtual methods */
+    object_class->finalize = finalize;
+}