client: Add support for registering and unregistering an agent

Add agent .h and .c files containing registering and unregistering functionality.

2 files changed, 180 insertions, 0 deletions

diff --git a/client/agent.c b/client/agent.c
new file mode 100644
index 00000000..239c1028
--- /dev/null
+++ b/client/agent.c
@@ -0,0 +1,141 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2013  Intel Corporation. All rights reserved.
+ *
+ *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdbool.h>
+
+#include <gdbus.h>
+
+#include "dbus_helpers.h"
+#include "agent.h"
+
+static bool agent_registered = false;
+
+#define AGENT_INTERFACE      "net.connman.Agent"
+
+static char *agent_path(void)
+{
+	static char *path = NULL;
+
+	if (path == NULL)
+		path = g_strdup_printf("/net/connman/connmanctl%d", getpid());
+
+	return path;
+}
+
+static const GDBusMethodTable agent_methods[] = {
+	{ },
+};
+
+static int agent_register_return(DBusMessageIter *iter, const char *error,
+		void *user_data)
+{
+	DBusConnection *connection = user_data;
+
+	if (error != NULL) {
+		g_dbus_unregister_interface(connection, agent_path(),
+				AGENT_INTERFACE);
+		fprintf(stderr, "Error registering Agent: %s\n", error);
+		return 0;
+	}
+
+	agent_registered = true;
+	fprintf(stdout, "Agent registered\n");
+
+	return -EINPROGRESS;
+}
+
+int __connmanctl_agent_register(DBusConnection *connection)
+{
+	char *path = agent_path();
+	int result;
+
+	if (agent_registered == true) {
+		fprintf(stderr, "Agent already registered\n");
+		return -EALREADY;
+	}
+
+	if (g_dbus_register_interface(connection, path,
+					AGENT_INTERFACE, agent_methods,
+					NULL, NULL, NULL, NULL) == FALSE) {
+		fprintf(stderr, "Error: Failed to register Agent callbacks\n");
+		return 0;
+	}
+
+	result = __connmanctl_dbus_method_call(connection, "/",
+			"net.connman.Manager", "RegisterAgent",
+			agent_register_return, connection,
+			DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
+
+	if (result != -EINPROGRESS) {
+		g_dbus_unregister_interface(connection, agent_path(),
+				AGENT_INTERFACE);
+
+		fprintf(stderr, "Error: Failed to register Agent\n");
+	}
+
+	return result;
+}
+
+static int agent_unregister_return(DBusMessageIter *iter, const char *error,
+		void *user_data)
+{
+	if (error != NULL) {
+		fprintf(stderr, "Error unregistering Agent: %s\n", error);
+		return 0;
+	}
+
+	agent_registered = false;
+	fprintf(stdout, "Agent unregistered\n");
+
+	return 0;
+}
+
+int __connmanctl_agent_unregister(DBusConnection *connection)
+{
+	char *path = agent_path();
+	int result;
+
+	if (agent_registered == false) {
+		fprintf(stderr, "Agent not registered\n");
+		return -EALREADY;
+	}
+
+	g_dbus_unregister_interface(connection, agent_path(), AGENT_INTERFACE);
+
+	result = __connmanctl_dbus_method_call(connection, "/",
+			"net.connman.Manager", "UnregisterAgent",
+			agent_unregister_return, NULL,
+			DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
+
+	if (result != -EINPROGRESS)
+		fprintf(stderr, "Error: Failed to unregister Agent\n");
+
+	return result;
+}
diff --git a/client/agent.h b/client/agent.h
new file mode 100644
index 00000000..d6eaac9e
--- /dev/null
+++ b/client/agent.h
@@ -0,0 +1,39 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2013  Intel Corporation. All rights reserved.
+ *
+ *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __CONNMANCTL_AGENT_H
+#define __CONNMANCTL_AGENT_H
+
+#include <dbus/dbus.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int __connmanctl_agent_register(DBusConnection *connection);
+int __connmanctl_agent_unregister(DBusConnection *connection);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMANCTL_AGENT_H */