From 0d4e002670064157aa34ba8c391184151b7d402a Mon Sep 17 00:00:00 2001
From: Tao Bao <tbao@google.com>
Date: Sun, 19 Jul 2015 08:40:37 -0700
Subject: recovery: Switch fuse_* to C++.

Change-Id: Id50c3e6febd0ab61f10a654b9b265cf21a2d1701
(cherry picked from commit 71dc365f25676cfb3f62dbb7163697a8c3c5243d)
---
 fuse_sdcard_provider.c | 140 -------------------------------------------------
 1 file changed, 140 deletions(-)
 delete mode 100644 fuse_sdcard_provider.c

(limited to 'fuse_sdcard_provider.c')

diff --git a/fuse_sdcard_provider.c b/fuse_sdcard_provider.c
deleted file mode 100644
index 4565c7b5b..000000000
--- a/fuse_sdcard_provider.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2014 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 <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <pthread.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "fuse_sideload.h"
-
-struct file_data {
-    int fd;  // the underlying sdcard file
-
-    uint64_t file_size;
-    uint32_t block_size;
-};
-
-static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
-    struct file_data* fd = (struct file_data*)cookie;
-
-    off64_t offset = ((off64_t) block) * fd->block_size;
-    if (TEMP_FAILURE_RETRY(lseek64(fd->fd, offset, SEEK_SET)) == -1) {
-        fprintf(stderr, "seek on sdcard failed: %s\n", strerror(errno));
-        return -EIO;
-    }
-
-    while (fetch_size > 0) {
-        ssize_t r = TEMP_FAILURE_RETRY(read(fd->fd, buffer, fetch_size));
-        if (r == -1) {
-            fprintf(stderr, "read on sdcard failed: %s\n", strerror(errno));
-            return -EIO;
-        }
-        fetch_size -= r;
-        buffer += r;
-    }
-
-    return 0;
-}
-
-static void close_file(void* cookie) {
-    struct file_data* fd = (struct file_data*)cookie;
-    close(fd->fd);
-}
-
-struct token {
-    pthread_t th;
-    const char* path;
-    int result;
-};
-
-static void* run_sdcard_fuse(void* cookie) {
-    struct token* t = (struct token*)cookie;
-
-    struct stat sb;
-    if (stat(t->path, &sb) < 0) {
-        fprintf(stderr, "failed to stat %s: %s\n", t->path, strerror(errno));
-        t->result = -1;
-        return NULL;
-    }
-
-    struct file_data fd;
-    struct provider_vtab vtab;
-
-    fd.fd = open(t->path, O_RDONLY);
-    if (fd.fd < 0) {
-        fprintf(stderr, "failed to open %s: %s\n", t->path, strerror(errno));
-        t->result = -1;
-        return NULL;
-    }
-    fd.file_size = sb.st_size;
-    fd.block_size = 65536;
-
-    vtab.read_block = read_block_file;
-    vtab.close = close_file;
-
-    t->result = run_fuse_sideload(&vtab, &fd, fd.file_size, fd.block_size);
-    return NULL;
-}
-
-// How long (in seconds) we wait for the fuse-provided package file to
-// appear, before timing out.
-#define SDCARD_INSTALL_TIMEOUT 10
-
-void* start_sdcard_fuse(const char* path) {
-    struct token* t = malloc(sizeof(struct token));
-
-    t->path = path;
-    pthread_create(&(t->th), NULL, run_sdcard_fuse, t);
-
-    struct stat st;
-    int i;
-    for (i = 0; i < SDCARD_INSTALL_TIMEOUT; ++i) {
-        if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &st) != 0) {
-            if (errno == ENOENT && i < SDCARD_INSTALL_TIMEOUT-1) {
-                sleep(1);
-                continue;
-            } else {
-                return NULL;
-            }
-        }
-    }
-
-    // The installation process expects to find the sdcard unmounted.
-    // Unmount it with MNT_DETACH so that our open file continues to
-    // work but new references see it as unmounted.
-    umount2("/sdcard", MNT_DETACH);
-
-    return t;
-}
-
-void finish_sdcard_fuse(void* cookie) {
-    if (cookie == NULL) return;
-    struct token* t = (struct token*)cookie;
-
-    // Calling stat() on this magic filename signals the fuse
-    // filesystem to shut down.
-    struct stat st;
-    stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st);
-
-    pthread_join(t->th, NULL);
-    free(t);
-}
-- 
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