1 files changed, 67 insertions, 0 deletions

diff --git a/minadbd21/fuse_adb_provider.c b/minadbd21/fuse_adb_provider.c
new file mode 100644
index 000000000..18e990682
--- /dev/null
+++ b/minadbd21/fuse_adb_provider.c
@@ -0,0 +1,67 @@
+/*
+ * 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 <errno.h>
+
+#include "adb.h"
+#include "fuse_sideload.h"
+
+struct adb_data {
+    int sfd;  // file descriptor for the adb channel
+
+    uint64_t file_size;
+    uint32_t block_size;
+};
+
+static 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 (writex(ad->sfd, buf, 8) < 0) {
+        fprintf(stderr, "failed to write to adb host: %s\n", strerror(errno));
+        return -EIO;
+    }
+
+    if (readx(ad->sfd, buffer, fetch_size) < 0) {
+        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;
+
+    writex(ad->sfd, "DONEDONE", 8);
+}
+
+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_old_fuse_sideload(&vtab, &ad, file_size, block_size);
+}