Final push of installd to Binder; goodbye socket!

Move last two straggling installd commands to Binder and destroy the
socket-based communication channel forever.

Test: builds, boots, apps install fine, pre-OTA dexopt works
Bug: 13758960, 30944031
Change-Id: I2ecd604fb6627b9028a7e32f87d0367e4a4afde3
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
new file mode 100644
index 0000000..71836c3
--- /dev/null
+++ b/cmds/installd/dexopt.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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 <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+
+#include "dexopt.h"
+#include "utils.h"
+
+using android::base::StringPrintf;
+
+namespace android {
+namespace installd {
+
+static const char* parse_null(const char* arg) {
+    if (strcmp(arg, "!") == 0) {
+        return nullptr;
+    } else {
+        return arg;
+    }
+}
+
+int dexopt(const char* const params[DEXOPT_PARAM_COUNT]) {
+    return dexopt(params[0],                    // apk_path
+                  atoi(params[1]),              // uid
+                  params[2],                    // pkgname
+                  params[3],                    // instruction_set
+                  atoi(params[4]),              // dexopt_needed
+                  params[5],                    // oat_dir
+                  atoi(params[6]),              // dexopt_flags
+                  params[7],                    // compiler_filter
+                  parse_null(params[8]),        // volume_uuid
+                  parse_null(params[9]));       // shared_libraries
+    static_assert(DEXOPT_PARAM_COUNT == 10U, "Unexpected dexopt param count");
+}
+
+}  // namespace installd
+}  // namespace android