Merge " move libdump to dumpstate" into main am: b4e2f27c63 am: d740152953 am: 935e913d3e am: 4819623003 am: e86682565f

Original change: https://android-review.googlesource.com/c/device/google/gs-common/+/2786040

Change-Id: I76e4a77e07b90d31985ce05fa936398e2cb4e103
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

gear/dumpstate/Android.bp

@@ -27,3 +27,23 @@ cc_binary {
     vendor: true,
     relative_install_path: "hw",
 }
+
+cc_library {
+    name: "libdump",
+    srcs: ["pixel_dump.cpp"],
+    vendor_available: true,
+    vendor_ramdisk_available: true,
+    shared_libs: [
+        "libbase",
+        "liblog",
+    ],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
+    export_include_dirs: [
+        "include",
+    ],
+}
+

gear/dumpstate/include/dump/pixel_dump.h

@@ -0,0 +1,15 @@
+#ifndef DEVICE_GOOGLE_GS_COMMON_INSMOD_INCLUDE_DUMP_PIXEL_DUMP_H_
+#define DEVICE_GOOGLE_GS_COMMON_INSMOD_INCLUDE_DUMP_PIXEL_DUMP_H_
+
+#include <string>
+
+#define BUGREPORT_PACKING_DIR "/data/vendor/radio/logs/always-on/all_logs"
+#define MODEM_LOG_DIRECTORY "/data/vendor/radio/logs/always-on"
+
+void dumpFileContent(const char* title, const char* file_path);
+void runCommand(const char* title, const char* cmd);
+std::string concatenatePath(const char* folder, const char* file);
+void dumpLogs(const char* SrcDir, const char* DestDir, int limit, const char* prefix);
+void copyFile(const char* SrcDir, const char* DestDir);
+
+#endif  // DEVICE_GOOGLE_GS_COMMON_INSMOD_INCLUDE_DUMP_PIXEL_DUMP_H_

gear/dumpstate/pixel_dump.cpp

@@ -0,0 +1,105 @@
+/*
+ * Copyright 2022 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 <stdio.h>
+#include <string>
+#include <android-base/file.h>
+#include <fstream>
+#include <dump/pixel_dump.h>
+
+// Format title and content output.
+void dumpFileContent(const char* title, const char* file_path) {
+    std::string content;
+    printf("------ %s (%s) ------\n", title, file_path);
+    if (android::base::ReadFileToString(file_path, &content)) {
+        printf("%s\n", content.c_str());
+    } else {
+        printf("Unable to read %s\n", file_path);
+    }
+    return;
+}
+
+// Format title and command output.
+void runCommand(const char* title, const char* cmd) {
+    printf("------ %s (%s)------\n", title, cmd);
+    system(cmd);
+    return;
+}
+
+std::string concatenatePath(const char* folder, const char* file){
+    std::string path = folder;
+    if(folder[strlen(folder)-1] == '/'){
+        path = path + file;
+    } else {
+        path = path + "/" + file;
+    }
+
+    printf("folder:%s, result:%s\n", folder, path.c_str());
+    return path;
+}
+
+// Copy stored log from individual folder to our dumpstate folder for
+// compressing.
+void dumpLogs(const char* SrcDir, const char* DestDir, int limit, const char* prefix) {
+
+    struct dirent **dirent_list = NULL;
+    int num_entries = scandir(SrcDir, &dirent_list, 0, (int (*)(const struct dirent **, const struct dirent **)) alphasort);
+    if (!dirent_list) {
+        printf("Unable to scan dir: %s.\n", SrcDir);
+        return;
+    } else if (num_entries <= 0) {
+        printf("No file is found.\n");
+        return;
+    }
+
+    if (access(DestDir, R_OK)) {
+        printf("Unable to find folder: %s\n", DestDir);
+        return;
+    }
+
+    int copiedFiles = 0;
+
+    for (int i = num_entries - 1; i >= 0; i--) {
+
+        if (0 != strncmp(dirent_list[i]->d_name, prefix, strlen(prefix))) {
+            continue;
+        }
+
+        if ((copiedFiles >= limit) && (limit != -1)) {
+            printf("Skipped %s\n", dirent_list[i]->d_name);
+            continue;
+        }
+
+        copiedFiles++;
+        copyFile(concatenatePath(SrcDir, dirent_list[i]->d_name).c_str(), concatenatePath(DestDir, dirent_list[i]->d_name).c_str());
+    }
+
+    while (num_entries--) {
+        free(dirent_list[num_entries]);
+    }
+
+    free(dirent_list);
+    return;
+}
+
+void copyFile(const char* SrcDir, const char* DestDir) {
+    std::ifstream src(SrcDir, std::ios::binary);
+    std::ofstream dst(DestDir, std::ios::binary);
+    dst << src.rdbuf();
+    src.close();
+    dst.close();
+    return;
+}
+