Add initial version

The initial version implements the basic functionality
of the client/server communication and lease management.

For now, one lease is created per valid connector (dependent
on CRTC availablity).

Bug-AGL: SPEC-3729

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Change-Id: I2b37a892742cc22bdc53a5172c8ad3d8a7bb5e66

3 files changed, 99 insertions, 0 deletions

diff --git a/examples/dlm-client-test/dlm-client-test.c b/examples/dlm-client-test/dlm-client-test.c
new file mode 100644
index 0000000..411fce7
--- /dev/null
+++ b/examples/dlm-client-test/dlm-client-test.c
@@ -0,0 +1,94 @@
+/* Copyright 2020-2021 IGEL Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dlmclient.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <xf86drmMode.h>
+
+static void usage(const char *name)
+{
+	fprintf(stderr,
+		"%s <lease name>\n"
+		"\tlease name: Name of lease to check\n",
+		name);
+}
+
+static void dump_lease_resources(int lease_fd)
+{
+	drmModeObjectListPtr ol = drmModeGetLease(lease_fd);
+	if (!ol) {
+		fprintf(
+		    stderr,
+		    "drmModeGetLease failed. Received fd is not a DRM lease\n");
+		return;
+	}
+	free(ol);
+
+	drmModeRes *res = drmModeGetResources(lease_fd);
+	if (!res) {
+		fprintf(stderr, "drmModeGetResources failed\n");
+		return;
+	}
+
+	for (int i = 0; i < res->count_crtcs; i++)
+		printf("crtc-id: %u\n", res->crtcs[i]);
+
+	for (int i = 0; i < res->count_connectors; i++)
+		printf("connector-id: %u\n", res->connectors[i]);
+
+	drmModeFreeResources(res);
+
+	drmModePlaneRes *plane_res = drmModeGetPlaneResources(lease_fd);
+	if (!plane_res) {
+		fprintf(stderr, "drmModeGetPlaneResources failed\n");
+		return;
+	}
+
+	for (uint32_t i = 0; i < plane_res->count_planes; i++)
+		printf("plane-id: %u\n", plane_res->planes[i]);
+
+	drmModeFreePlaneResources(plane_res);
+}
+
+int main(int argc, char **argv)
+{
+	if (argc < 2) {
+		usage(argv[0]);
+		return EXIT_FAILURE;
+	}
+
+	struct dlm_lease *lease = dlm_get_lease(argv[1]);
+	if (!lease) {
+		fprintf(stderr, "dlm_get_lease: %s\n", strerror(errno));
+		return EXIT_FAILURE;
+	}
+
+	int lease_fd = dlm_lease_fd(lease);
+	if (lease_fd < 0) {
+		fprintf(stderr, "dlm_lease_fd: %s\n", strerror(errno));
+		dlm_release_lease(lease);
+		return EXIT_FAILURE;
+	}
+
+	dump_lease_resources(lease_fd);
+	dlm_release_lease(lease);
+	return EXIT_SUCCESS;
+}
diff --git a/examples/dlm-client-test/meson.build b/examples/dlm-client-test/meson.build
new file mode 100644
index 0000000..aa51c78
--- /dev/null
+++ b/examples/dlm-client-test/meson.build
@@ -0,0 +1,4 @@
+executable('dlm-client-test',
+    ['dlm-client-test.c'],
+    dependencies : [dlmclient_dep, drm_dep],
+)
diff --git a/examples/meson.build b/examples/meson.build
new file mode 100644
index 0000000..706c2b8
--- /dev/null
+++ b/examples/meson.build
@@ -0,0 +1 @@
+subdir('dlm-client-test')