From 20531ef60524e6205b1d9a6c12a8335c5d97e311 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Fri, 10 Apr 2015 13:59:19 -0700
Subject: Switch minadb over to C++.

Change-Id: I5afaf70caa590525627c676c88b445d3162de33e
---
 minadbd/fuse_adb_provider.cpp | 66 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 minadbd/fuse_adb_provider.cpp

(limited to 'minadbd/fuse_adb_provider.cpp')

diff --git a/minadbd/fuse_adb_provider.cpp b/minadbd/fuse_adb_provider.cpp
new file mode 100644
index 000000000..5da7fd76c
--- /dev/null
+++ b/minadbd/fuse_adb_provider.cpp
@@ -0,0 +1,66 @@
+/*
+ * 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 "sysdeps.h"
+
+#include "adb.h"
+#include "adb_io.h"
+#include "fuse_adb_provider.h"
+#include "fuse_sideload.h"
+
+int read_block_adb(void* cookie, uint32_t block, uint8_t* buffer,
+                   uint32_t fetch_size) {
+    struct adb_data* ad = (struct adb_data*)cookie;
+
+    char buf[10];
+    snprintf(buf, sizeof(buf), "%08u", block);
+    if (!WriteStringFully(ad->sfd, buf)) {
+        fprintf(stderr, "failed to write to adb host: %s\n", strerror(errno));
+        return -EIO;
+    }
+
+    if (!ReadFdExactly(ad->sfd, buffer, fetch_size)) {
+        fprintf(stderr, "failed to read from adb host: %s\n", strerror(errno));
+        return -EIO;
+    }
+
+    return 0;
+}
+
+static void close_adb(void* cookie) {
+    struct adb_data* ad = (struct adb_data*)cookie;
+
+    WriteStringFully(ad->sfd, "DONEDONE");
+}
+
+int run_adb_fuse(int sfd, uint64_t file_size, uint32_t block_size) {
+    struct adb_data ad;
+    struct provider_vtab vtab;
+
+    ad.sfd = sfd;
+    ad.file_size = file_size;
+    ad.block_size = block_size;
+
+    vtab.read_block = read_block_adb;
+    vtab.close = close_adb;
+
+    return run_fuse_sideload(&vtab, &ad, file_size, block_size);
+}
-- 
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