C++ (Cpp) remember_firmware_update示例

示例#1

文件： install.c 项目： wuyewanren/android_bootable_recovery

// The update binary ask us to install a firmware file on reboot.  Set
// that up.  Takes ownership of type and filename.
static int
handle_firmware_update(char* type, char* filename, ZipArchive* zip) {
    unsigned int data_size;
    const ZipEntry* entry = NULL;

    if (strncmp(filename, "PACKAGE:", 8) == 0) {
        entry = mzFindZipEntry(zip, filename+8);
        if (entry == NULL) {
            LOGE("Failed to find \"%s\" in package", filename+8);
            return INSTALL_ERROR;
        }
        data_size = entry->uncompLen;
    } else {
        struct stat st_data;
        if (stat(filename, &st_data) < 0) {
            LOGE("Error stat'ing %s: %s\n", filename, strerror(errno));
            return INSTALL_ERROR;
        }
        data_size = st_data.st_size;
    }

    LOGI("type is %s; size is %d; file is %s\n",
         type, data_size, filename);

    char* data = malloc(data_size);
    if (data == NULL) {
        LOGI("Can't allocate %d bytes for firmware data\n", data_size);
        return INSTALL_ERROR;
    }

    if (entry) {
        if (mzReadZipEntry(zip, entry, data, data_size) == false) {
            LOGE("Failed to read \"%s\" from package", filename+8);
            return INSTALL_ERROR;
        }
    } else {
        FILE* f = fopen(filename, "rb");
        if (f == NULL) {
            LOGE("Failed to open %s: %s\n", filename, strerror(errno));
            return INSTALL_ERROR;
        }
        if (fread(data, 1, data_size, f) != data_size) {
            LOGE("Failed to read firmware data: %s\n", strerror(errno));
            return INSTALL_ERROR;
        }
        fclose(f);
    }

#ifndef BOARD_HAS_NO_MISC_PARTITION
    if (remember_firmware_update(type, data, data_size)) {
        LOGE("Can't store %s image\n", type);
        free(data);
        return INSTALL_ERROR;
    }
#endif
    free(filename);

    return INSTALL_SUCCESS;
}

示例#2

文件： install.c 项目： XMoon/openrecovery

// The update binary ask us to install a firmware file on reboot.  Set
// that up.  Takes ownership of type and filename.
static int
handle_firmware_update(char* type, char* filename, ZipArchive* zip) {
    unsigned int data_size;
    const ZipEntry* entry = NULL;

    if (strncmp(filename, "PACKAGE:", 8) == 0) {
        entry = mzFindZipEntry(zip, filename+8);
        if (entry == NULL) {
            LOGE("从升级包中查找\"%s\"失败", filename+8);
            return INSTALL_ERROR;
        }
        data_size = entry->uncompLen;
    } else {
        struct stat st_data;
        if (stat(filename, &st_data) < 0) {
            LOGE("错误说明 %s: %s\n", filename, strerror(errno));
            return INSTALL_ERROR;
        }
        data_size = st_data.st_size;
    }

    LOGI("类型:%s; 大小:%d; 文件:%s\n",
         type, data_size, filename);

    char* data = malloc(data_size);
    if (data == NULL) {
        LOGI("无法分配%d字节的固件数据\n", data_size);
        return INSTALL_ERROR;
    }

    if (entry) {
        if (mzReadZipEntry(zip, entry, data, data_size) == false) {
            LOGE("无法从升级包中读取\"%s\"", filename+8);
            return INSTALL_ERROR;
        }
    } else {
        FILE* f = fopen(filename, "rb");
        if (f == NULL) {
            LOGE("无法打开 %s: %s\n", filename, strerror(errno));
            return INSTALL_ERROR;
        }
        if (fread(data, 1, data_size, f) != data_size) {
            LOGE("无法读取固件数据: %s\n", strerror(errno));
            return INSTALL_ERROR;
        }
        fclose(f);
    }

    if (remember_firmware_update(type, data, data_size)) {
        LOGE("无法存储镜像%s\n", type);
        free(data);
        return INSTALL_ERROR;
    }
    free(filename);

    return INSTALL_SUCCESS;
}

示例#3

文件： commands.c 项目： EdTECH46/i5700-leshak-recovery2

/* write_radio_image <src-image>
 * write_hboot_image <src-image>
 * Doesn't actually take effect until the rest of installation finishes.
 */
static int
cmd_write_firmware_image(const char *name, void *cookie,
        int argc, const char *argv[])
{
    UNUSED(cookie);
    CHECK_WORDS();

    if (argc != 1) {
        LOGE("Command %s requires exactly one argument\n", name);
        return 1;
    }

    const char *type;
    if (!strcmp(name, "write_radio_image")) {
        type = "radio";
    } else if (!strcmp(name, "write_hboot_image")) {
        type = "hboot";
    } else {
        LOGE("Unknown firmware update command %s\n", name);
        return 1;
    }

    if (!is_package_root_path(argv[0])) {
        LOGE("Command %s: non-package image file \"%s\" not supported\n",
                name, argv[0]);
        return 1;
    }

    ui_print("Extracting %s image...\n", type);
    char path[PATH_MAX];
    const ZipArchive *package;
    if (!translate_package_root_path(argv[0], path, sizeof(path), &package)) {
        LOGE("Command %s: bad source path \"%s\"\n", name, argv[0]);
        return 1;
    }

    const ZipEntry *entry = mzFindZipEntry(package, path);
    if (entry == NULL) {
        LOGE("Can't find %s\n", path);
        return 1;
    }

    // Load the update image into RAM.
    struct FirmwareContext context;
    context.total_bytes = mzGetZipEntryUncompLen(entry);
    context.done_bytes = 0;
    context.data = malloc(context.total_bytes);
    if (context.data == NULL) {
        LOGE("Can't allocate %d bytes for %s\n", context.total_bytes, argv[0]);
        return 1;
    }

    if (!mzProcessZipEntryContents(package, entry, firmware_fn, &context) ||
        context.done_bytes != context.total_bytes) {
        LOGE("Can't read %s\n", argv[0]);
        free(context.data);
        return 1;
    }

    if (remember_firmware_update(type, context.data, context.total_bytes)) {
        LOGE("Can't store %s image\n", type);
        free(context.data);
        return 1;
    }

    return 0;
}