Merge "RPC Binder: Retry Trusty connections several times" am: 7d1e6a8335 am: 8e0faae4ac am: 553da0de6c

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2500358

Change-Id: Idafff6926672b7e1253f3f7ad4e836631a3d6c68
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 8d1def1..504b3ce 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -382,9 +382,16 @@
                 status = session->setupPreconnectedClient({}, [=]() {
 #ifdef BINDER_RPC_TO_TRUSTY_TEST
                     auto port = trustyIpcPort(serverVersion);
-                    int tipcFd = tipc_connect(kTrustyIpcDevice, port.c_str());
-                    return tipcFd >= 0 ? android::base::unique_fd(tipcFd)
-                                       : android::base::unique_fd();
+                    for (size_t i = 0; i < 5; i++) {
+                        // Try to connect several times,
+                        // in case the service is slow to start
+                        int tipcFd = tipc_connect(kTrustyIpcDevice, port.c_str());
+                        if (tipcFd >= 0) {
+                            return android::base::unique_fd(tipcFd);
+                        }
+                        usleep(50000);
+                    }
+                    return android::base::unique_fd();
 #else
                     LOG_ALWAYS_FATAL("Tried to connect to Trusty outside of vendor");
                     return android::base::unique_fd();