commit 043fbec646ed7b37665c8a7a6f9b0d88118293e1
author Josh Gao <jmgao@google.com> Fri Aug 10 14:24:25 2018 -0700
committer Josh Gao <jmgao@google.com> Fri Aug 10 14:27:51 2018 -0700
tree 52f6088d8669643d3e1b3ede985fb40f45ef5b15
parent e0323874808c7c915064086d4d7f6bd880882c88

adb: add environment variables to disable usb, emulators, mdns.

Provide a way to selectively disable USB, automatic emulator
connection, and mDNS, to make reading through ADB_TRACE logging easier.

Test: manual
Change-Id: Ic6a06cdce14235415520cbf2d51c7f7031b7a7b3

adb/client/main.cpp

diff --git a/adb/client/main.cpp b/adb/client/main.cpp
index de6c723..095ad98 100644
--- a/adb/client/main.cpp
+++ b/adb/client/main.cpp
@@ -118,10 +118,20 @@
 
     init_transport_registration();
     init_reconnect_handler();
-    init_mdns_transport_discovery();
 
-    usb_init();
-    local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
+    if (!getenv("ADB_MDNS") || strcmp(getenv("ADB_MDNS"), "0") != 0) {
+        init_mdns_transport_discovery();
+    }
+
+    if (!getenv("ADB_USB") || strcmp(getenv("ADB_USB"), "0") != 0) {
+        usb_init();
+    } else {
+        adb_notify_device_scan_complete();
+    }
+
+    if (!getenv("ADB_EMU") || strcmp(getenv("ADB_EMU"), "0") != 0) {
+        local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
+    }
 
     std::string error;