adb: split file_sync_service.h into client and daemon parts.

Test: treehugger
Change-Id: I648c7001903a91448c69986e08a6cd2dd76ed793
diff --git a/file_sync_protocol.h b/file_sync_protocol.h
new file mode 100644
index 0000000..108639a
--- /dev/null
+++ b/file_sync_protocol.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2007 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.
+ */
+
+#pragma once
+
+#define MKID(a, b, c, d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
+
+#define ID_LSTAT_V1 MKID('S', 'T', 'A', 'T')
+#define ID_STAT_V2 MKID('S', 'T', 'A', '2')
+#define ID_LSTAT_V2 MKID('L', 'S', 'T', '2')
+#define ID_LIST MKID('L', 'I', 'S', 'T')
+#define ID_SEND MKID('S', 'E', 'N', 'D')
+#define ID_RECV MKID('R', 'E', 'C', 'V')
+#define ID_DENT MKID('D', 'E', 'N', 'T')
+#define ID_DONE MKID('D', 'O', 'N', 'E')
+#define ID_DATA MKID('D', 'A', 'T', 'A')
+#define ID_OKAY MKID('O', 'K', 'A', 'Y')
+#define ID_FAIL MKID('F', 'A', 'I', 'L')
+#define ID_QUIT MKID('Q', 'U', 'I', 'T')
+
+struct SyncRequest {
+    uint32_t id;           // ID_STAT, et cetera.
+    uint32_t path_length;  // <= 1024
+    // Followed by 'path_length' bytes of path (not NUL-terminated).
+} __attribute__((packed));
+
+union syncmsg {
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t mode;
+        uint32_t size;
+        uint32_t time;
+    } stat_v1;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t error;
+        uint64_t dev;
+        uint64_t ino;
+        uint32_t mode;
+        uint32_t nlink;
+        uint32_t uid;
+        uint32_t gid;
+        uint64_t size;
+        int64_t atime;
+        int64_t mtime;
+        int64_t ctime;
+    } stat_v2;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t mode;
+        uint32_t size;
+        uint32_t time;
+        uint32_t namelen;
+    } dent;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t size;
+    } data;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t msglen;
+    } status;
+};
+
+#define SYNC_DATA_MAX (64 * 1024)