[PATCH 1/5] android: Add android ipc tester

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This tool will test ipc library. First test case will check
ipc_init() call.
---
 .gitignore                 |   1 +
 android/Makefile.am        |   8 ++
 android/test-android-ipc.c | 277 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 286 insertions(+)
 create mode 100644 android/test-android-ipc.c

diff --git a/.gitignore b/.gitignore
index ac76fe2..0d0834b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -114,3 +114,4 @@ android/bluetoothd
 android/haltest
 android/android-tester
 android/bluetoothd-snoop
+android/test-android-ipc
diff --git a/android/Makefile.am b/android/Makefile.am
index 7806f79..271a3e8 100644
--- a/android/Makefile.am
+++ b/android/Makefile.am
@@ -117,6 +117,14 @@ android_android_tester_LDADD = lib/libbluetooth-internal.la @GLIB_LIBS@
 
 android_android_tester_LDFLAGS = -pthread -ldl
 
+noinst_PROGRAMS += android/test-android-ipc
+
+android_test_android_ipc_SOURCES = android/test-android-ipc.c \
+				src/shared/util.h src/shared/util.c \
+				src/log.h src/log.c \
+				android/ipc.c android/ipc.h
+android_test_android_ipc_LDADD = @GLIB_LIBS@
+
 plugin_LTLIBRARIES += android/audio.a2dp.default.la
 
 android_audio_a2dp_default_la_SOURCES = android/audio-msg.h \
diff --git a/android/test-android-ipc.c b/android/test-android-ipc.c
new file mode 100644
index 0000000..6ac1175
--- /dev/null
+++ b/android/test-android-ipc.c
@@ -0,0 +1,277 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2014  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 <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/signalfd.h>
+
+#include <glib.h>
+#include "src/shared/util.h"
+#include "src/log.h"
+#include "android/hal-msg.h"
+#include "android/ipc.h"
+
+struct test_data {
+	uint32_t expected_signal;
+};
+
+struct context {
+	GMainLoop *main_loop;
+
+	int sk;
+
+	guint source;
+	guint cmd_source;
+	guint notif_source;
+
+	GIOChannel *cmd_io;
+	GIOChannel *notif_io;
+	GIOChannel *signal_io;
+
+	guint signal_source;
+
+	const struct test_data *data;
+};
+
+static void context_quit(struct context *context)
+{
+	g_main_loop_quit(context->main_loop);
+}
+
+static gboolean cmd_watch(GIOChannel *io, GIOCondition cond,
+						gpointer user_data)
+{
+	if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL)) {
+		g_assert(FALSE);
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static gboolean notif_watch(GIOChannel *io, GIOCondition cond,
+							gpointer user_data)
+{
+	if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL)) {
+		g_assert(FALSE);
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static gboolean connect_handler(GIOChannel *io, GIOCondition cond,
+						gpointer user_data)
+{
+	struct context *context = user_data;
+	GIOChannel *new_io;
+	GIOCondition watch_cond;
+	int sk;
+
+	if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL)) {
+		g_assert(FALSE);
+		return FALSE;
+	}
+
+	g_assert(!context->cmd_source || !context->notif_source);
+
+	sk = accept(context->sk, NULL, NULL);
+	g_assert(sk >= 0);
+
+	new_io = g_io_channel_unix_new(sk);
+
+	watch_cond = G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL;
+
+	if (context->cmd_source && !context->notif_source) {
+		context->notif_source = g_io_add_watch(new_io, watch_cond,
+							notif_watch, context);
+		g_assert(context->notif_source > 0);
+		context->notif_io = new_io;
+	}
+
+	if (!context->cmd_source) {
+		context->cmd_source = g_io_add_watch(new_io, watch_cond,
+							cmd_watch, context);
+		context->cmd_io = new_io;
+	}
+
+	if (context->cmd_source && context->notif_source)
+		context_quit(context);
+
+	return TRUE;
+}
+
+static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
+							gpointer user_data)
+{
+	struct context *context = user_data;
+	const struct test_data *test_data = context->data;
+	struct signalfd_siginfo si;
+	ssize_t result;
+	int fd;
+
+	if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
+		return FALSE;
+
+	fd = g_io_channel_unix_get_fd(channel);
+
+	result = read(fd, &si, sizeof(si));
+	if (result != sizeof(si))
+		return FALSE;
+
+	g_assert(test_data->expected_signal == si.ssi_signo);
+	context_quit(context);
+	return TRUE;
+}
+
+static guint setup_signalfd(gpointer user_data)
+{
+	GIOChannel *channel;
+	guint source;
+	sigset_t mask;
+	int ret;
+	int fd;
+
+	sigemptyset(&mask);
+	sigaddset(&mask, SIGINT);
+	sigaddset(&mask, SIGTERM);
+
+	ret = sigprocmask(SIG_BLOCK, &mask, NULL);
+	g_assert(ret == 0);
+
+	fd = signalfd(-1, &mask, 0);
+	g_assert(fd >= 0);
+
+	channel = g_io_channel_unix_new(fd);
+
+	g_io_channel_set_close_on_unref(channel, TRUE);
+	g_io_channel_set_encoding(channel, NULL, NULL);
+	g_io_channel_set_buffered(channel, FALSE);
+
+	source = g_io_add_watch(channel,
+				G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+				signal_handler, user_data);
+
+	g_io_channel_unref(channel);
+
+	return source;
+}
+
+static struct context *create_context(gconstpointer data)
+{
+	struct context *context = g_new0(struct context, 1);
+	struct sockaddr_un addr;
+	GIOChannel *io;
+	int ret, sk;
+
+	context->main_loop = g_main_loop_new(NULL, FALSE);
+	g_assert(context->main_loop);
+
+	context->signal_source = setup_signalfd(context);
+	g_assert(context->signal_source);
+
+	sk = socket(AF_LOCAL, SOCK_SEQPACKET, 0);
+	g_assert(sk >= 0);
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+
+	memcpy(addr.sun_path, BLUEZ_HAL_SK_PATH, sizeof(BLUEZ_HAL_SK_PATH));
+
+	ret = bind(sk, (struct sockaddr *) &addr, sizeof(addr));
+	g_assert(ret == 0);
+
+	ret = listen(sk, 5);
+	g_assert(ret == 0);
+
+	io = g_io_channel_unix_new(sk);
+
+	g_io_channel_set_close_on_unref(io, TRUE);
+
+	context->source = g_io_add_watch(io,
+				G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+				connect_handler, context);
+	g_assert(context->source > 0);
+
+	g_io_channel_unref(io);
+
+	context->sk = sk;
+	context->data = data;
+
+	return context;
+}
+
+static void execute_context(struct context *context)
+{
+	g_main_loop_run(context->main_loop);
+
+	g_io_channel_shutdown(context->notif_io, true, NULL);
+	g_io_channel_shutdown(context->cmd_io, true, NULL);
+	g_io_channel_unref(context->cmd_io);
+	g_io_channel_unref(context->notif_io);
+
+	g_source_remove(context->notif_source);
+	g_source_remove(context->signal_source);
+	g_source_remove(context->cmd_source);
+	g_source_remove(context->source);
+
+	g_main_loop_unref(context->main_loop);
+
+	g_free(context);
+}
+
+static void test_init(gconstpointer data)
+{
+	struct context *context = create_context(data);
+
+	ipc_init();
+
+	execute_context(context);
+
+	ipc_cleanup();
+}
+
+static const struct test_data test_init_1 = {};
+
+int main(int argc, char *argv[])
+{
+	g_test_init(&argc, &argv, NULL);
+
+	if (g_test_verbose())
+		__btd_log_init("*", 0);
+
+	g_test_add_data_func("/android_ipc/init", &test_init_1, test_init);
+
+	return g_test_run();
+}
-- 
1.8.3.1

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