Merge "Trace Redaction - Entry point" into main

BUILD.gn

@@ -48,6 +48,10 @@ if (enable_perfetto_trace_processor && enable_perfetto_trace_processor_sqlite) {
   all_targets += [ "src/trace_processor:trace_processor_shell" ]
 }
 
+if (enable_perfetto_trace_processor) {
+  all_targets += [ "src/trace_redaction:trace_redactor" ]
+}
+
 if (enable_perfetto_traceconv) {
   all_targets += [ "src/traceconv" ]
   if (is_cross_compiling) {

src/trace_redaction/BUILD.gn

@@ -14,6 +14,18 @@
 
 import("../../gn/test.gni")
 
+# The main entry point for external processes. This is separate from
+# "trace_redaction" because tests also depend on "trace_redaction".
+executable("trace_redactor") {
+  sources = [ "main.cc" ]
+  deps = [
+    ":trace_redaction",
+    "../../gn:default_deps",
+    "../../include/perfetto/base",
+    "../../include/perfetto/ext/base",
+  ]
+}
+
 source_set("trace_redaction") {
   sources = [
     "find_package_uid.cc",

src/trace_redaction/main.cc

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2024 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 "perfetto/base/logging.h"
+#include "perfetto/base/status.h"
+#include "src/trace_redaction/find_package_uid.h"
+#include "src/trace_redaction/prune_package_list.h"
+#include "src/trace_redaction/trace_redaction_framework.h"
+#include "src/trace_redaction/trace_redactor.h"
+
+namespace perfetto::trace_redaction {
+
+// Builds and runs a trace redactor.
+static base::Status Main(std::string_view input,
+                         std::string_view output,
+                         std::string_view package_name) {
+  TraceRedactor redactor;
+
+  // Add all collectors.
+  redactor.collectors()->emplace_back(new FindPackageUid());
+
+  // TODO(vaage): Add all builders.
+
+  // Add all transforms.
+  redactor.transformers()->emplace_back(new PrunePackageList());
+
+  Context context;
+  context.package_name = package_name;
+
+  return redactor.Redact(input, output, &context);
+}
+
+}  // namespace perfetto::trace_redaction
+
+int main(int argc, char** argv) {
+  constexpr int kSuccess = 0;
+  constexpr int kFailure = 1;
+  constexpr int kInvalidArgs = 2;
+
+  if (argc != 4) {
+    PERFETTO_ELOG(
+        "Invalid arguments: %s <input file> <output file> <package name>",
+        argv[0]);
+    return kInvalidArgs;
+  }
+
+  auto result = perfetto::trace_redaction::Main(argv[1], argv[2], argv[3]);
+
+  if (result.ok()) {
+    return kSuccess;
+  }
+
+  PERFETTO_ELOG("Unexpected error: %s", result.c_message());
+  return kFailure;
+}