Merge "Fix fastdeploy failure in Windows"
diff --git a/client/adb_client.cpp b/client/adb_client.cpp
index eda4b77..9a25d10 100644
--- a/client/adb_client.cpp
+++ b/client/adb_client.cpp
@@ -144,53 +144,51 @@
     }
 
     std::string reason;
-    int fd = socket_spec_connect(__adb_server_socket_spec, &reason);
-    if (fd < 0) {
+    unique_fd fd;
+    if (!socket_spec_connect(&fd, __adb_server_socket_spec, nullptr, nullptr, &reason)) {
         *error = android::base::StringPrintf("cannot connect to daemon at %s: %s",
                                              __adb_server_socket_spec, reason.c_str());
         return -2;
     }
 
-    if (memcmp(&service[0], "host", 4) != 0 && switch_socket_transport(fd, error)) {
+    if (memcmp(&service[0], "host", 4) != 0 && switch_socket_transport(fd.get(), error)) {
         return -1;
     }
 
-    if (!SendProtocolString(fd, service)) {
+    if (!SendProtocolString(fd.get(), service)) {
         *error = perror_str("write failure during connection");
-        adb_close(fd);
         return -1;
     }
 
-    if (!adb_status(fd, error)) {
-        adb_close(fd);
+    if (!adb_status(fd.get(), error)) {
         return -1;
     }
 
-    D("_adb_connect: return fd %d", fd);
-    return fd;
+    D("_adb_connect: return fd %d", fd.get());
+    return fd.release();
 }
 
 bool adb_kill_server() {
     D("adb_kill_server");
     std::string reason;
-    int fd = socket_spec_connect(__adb_server_socket_spec, &reason);
-    if (fd < 0) {
+    unique_fd fd;
+    if (!socket_spec_connect(&fd, __adb_server_socket_spec, nullptr, nullptr, &reason)) {
         fprintf(stderr, "cannot connect to daemon at %s: %s\n", __adb_server_socket_spec,
                 reason.c_str());
         return true;
     }
 
-    if (!SendProtocolString(fd, "host:kill")) {
+    if (!SendProtocolString(fd.get(), "host:kill")) {
         fprintf(stderr, "error: write failure during connection: %s\n", strerror(errno));
         return false;
     }
 
     // The server might send OKAY, so consume that.
     char buf[4];
-    ReadFdExactly(fd, buf, 4);
+    ReadFdExactly(fd.get(), buf, 4);
     // Now that no more data is expected, wait for socket orderly shutdown or error, indicating
     // server death.
-    ReadOrderlyShutdown(fd);
+    ReadOrderlyShutdown(fd.get());
     return true;
 }
 
diff --git a/client/adb_install.cpp b/client/adb_install.cpp
index 7a4a21b..d56a25f 100644
--- a/client/adb_install.cpp
+++ b/client/adb_install.cpp
@@ -24,12 +24,14 @@
 #include <string>
 #include <vector>
 
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+
 #include "adb.h"
 #include "adb_client.h"
+#include "adb_unique_fd.h"
 #include "adb_utils.h"
-#include "android-base/file.h"
-#include "android-base/stringprintf.h"
-#include "android-base/strings.h"
 #include "client/file_sync_client.h"
 #include "commandline.h"
 #include "fastdeploy.h"
@@ -184,8 +186,8 @@
             return 1;
         }
 
-        int localFd = adb_open(file, O_RDONLY);
-        if (localFd < 0) {
+        unique_fd local_fd(adb_open(file, O_RDONLY | O_CLOEXEC));
+        if (local_fd < 0) {
             fprintf(stderr, "adb: failed to open %s: %s\n", file, strerror(errno));
             return 1;
         }
@@ -206,19 +208,15 @@
             cmd += " --apex";
         }
 
-        int remoteFd = adb_connect(cmd, &error);
-        if (remoteFd < 0) {
+        unique_fd remote_fd(adb_connect(cmd, &error));
+        if (remote_fd < 0) {
             fprintf(stderr, "adb: connect error for write: %s\n", error.c_str());
-            adb_close(localFd);
             return 1;
         }
 
         char buf[BUFSIZ];
-        copy_to_file(localFd, remoteFd);
-        read_status_line(remoteFd, buf, sizeof(buf));
-
-        adb_close(localFd);
-        adb_close(remoteFd);
+        copy_to_file(local_fd.get(), remote_fd.get());
+        read_status_line(remote_fd.get(), buf, sizeof(buf));
 
         if (!strncmp("Success", buf, 7)) {
             fputs(buf, stdout);
@@ -415,14 +413,15 @@
 
     // Create install session
     std::string error;
-    int fd = adb_connect(cmd, &error);
-    if (fd < 0) {
-        fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
-        return EXIT_FAILURE;
-    }
     char buf[BUFSIZ];
-    read_status_line(fd, buf, sizeof(buf));
-    adb_close(fd);
+    {
+        unique_fd fd(adb_connect(cmd, &error));
+        if (fd < 0) {
+            fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
+            return EXIT_FAILURE;
+        }
+        read_status_line(fd.get(), buf, sizeof(buf));
+    }
 
     int session_id = -1;
     if (!strncmp("Success", buf, 7)) {
@@ -455,27 +454,23 @@
                                             install_cmd.c_str(), static_cast<uint64_t>(sb.st_size),
                                             session_id, android::base::Basename(file).c_str());
 
-        int localFd = adb_open(file, O_RDONLY);
-        if (localFd < 0) {
+        unique_fd local_fd(adb_open(file, O_RDONLY | O_CLOEXEC));
+        if (local_fd < 0) {
             fprintf(stderr, "adb: failed to open %s: %s\n", file, strerror(errno));
             success = 0;
             goto finalize_session;
         }
 
         std::string error;
-        int remoteFd = adb_connect(cmd, &error);
-        if (remoteFd < 0) {
+        unique_fd remote_fd(adb_connect(cmd, &error));
+        if (remote_fd < 0) {
             fprintf(stderr, "adb: connect error for write: %s\n", error.c_str());
-            adb_close(localFd);
             success = 0;
             goto finalize_session;
         }
 
-        copy_to_file(localFd, remoteFd);
-        read_status_line(remoteFd, buf, sizeof(buf));
-
-        adb_close(localFd);
-        adb_close(remoteFd);
+        copy_to_file(local_fd.get(), remote_fd.get());
+        read_status_line(remote_fd.get(), buf, sizeof(buf));
 
         if (strncmp("Success", buf, 7)) {
             fprintf(stderr, "adb: failed to write %s\n", file);
@@ -489,13 +484,14 @@
     // Commit session if we streamed everything okay; otherwise abandon
     std::string service = android::base::StringPrintf("%s install-%s %d", install_cmd.c_str(),
                                                       success ? "commit" : "abandon", session_id);
-    fd = adb_connect(service, &error);
-    if (fd < 0) {
-        fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
-        return EXIT_FAILURE;
+    {
+        unique_fd fd(adb_connect(service, &error));
+        if (fd < 0) {
+            fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
+            return EXIT_FAILURE;
+        }
+        read_status_line(fd.get(), buf, sizeof(buf));
     }
-    read_status_line(fd, buf, sizeof(buf));
-    adb_close(fd);
 
     if (!strncmp("Success", buf, 7)) {
         fputs(buf, stdout);
@@ -509,17 +505,22 @@
 int install_multi_package(int argc, const char** argv) {
     // Find all APK arguments starting at end.
     // All other arguments passed through verbatim.
-    int first_apk = -1;
+    bool apex_found = false;
+    int first_package = -1;
     for (int i = argc - 1; i >= 0; i--) {
         const char* file = argv[i];
-        if (android::base::EndsWithIgnoreCase(file, ".apk")) {
-            first_apk = i;
+        if (android::base::EndsWithIgnoreCase(file, ".apk") ||
+            android::base::EndsWithIgnoreCase(file, ".apex")) {
+            first_package = i;
+            if (android::base::EndsWithIgnoreCase(file, ".apex")) {
+                apex_found = true;
+            }
         } else {
             break;
         }
     }
 
-    if (first_apk == -1) error_exit("need APK file on command line");
+    if (first_package == -1) error_exit("need APK or APEX files on command line");
 
     if (use_legacy_install()) {
         fprintf(stderr, "adb: multi-package install is not supported on this device\n");
@@ -529,17 +530,21 @@
 
     std::string multi_package_cmd =
             android::base::StringPrintf("%s install-create --multi-package", install_cmd.c_str());
+    if (apex_found) {
+        multi_package_cmd += " --staged";
+    }
 
     // Create multi-package install session
     std::string error;
-    int fd = adb_connect(multi_package_cmd, &error);
-    if (fd < 0) {
-        fprintf(stderr, "adb: connect error for create multi-package: %s\n", error.c_str());
-        return EXIT_FAILURE;
-    }
     char buf[BUFSIZ];
-    read_status_line(fd, buf, sizeof(buf));
-    adb_close(fd);
+    {
+        unique_fd fd(adb_connect(multi_package_cmd, &error));
+        if (fd < 0) {
+            fprintf(stderr, "adb: connect error for create multi-package: %s\n", error.c_str());
+            return EXIT_FAILURE;
+        }
+        read_status_line(fd.get(), buf, sizeof(buf));
+    }
 
     int parent_session_id = -1;
     if (!strncmp("Success", buf, 7)) {
@@ -565,20 +570,31 @@
     std::string individual_cmd =
             android::base::StringPrintf("%s install-create", install_cmd.c_str());
     std::string all_session_ids = "";
-    for (int i = 1; i < first_apk; i++) {
+    for (int i = 1; i < first_package; i++) {
         individual_cmd += " " + escape_arg(argv[i]);
     }
+    if (apex_found) {
+        individual_cmd += " --staged";
+    }
+    std::string individual_apex_cmd = individual_cmd + " --apex";
     std::string cmd = "";
-    for (int i = first_apk; i < argc; i++) {
-        // Create individual install session
-        fd = adb_connect(individual_cmd, &error);
-        if (fd < 0) {
-            fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
-            goto finalize_multi_package_session;
-        }
+    for (int i = first_package; i < argc; i++) {
+        const char* file = argv[i];
         char buf[BUFSIZ];
-        read_status_line(fd, buf, sizeof(buf));
-        adb_close(fd);
+        {
+            unique_fd fd;
+            // Create individual install session
+            if (android::base::EndsWithIgnoreCase(file, ".apex")) {
+                fd.reset(adb_connect(individual_apex_cmd, &error));
+            } else {
+                fd.reset(adb_connect(individual_cmd, &error));
+            }
+            if (fd < 0) {
+                fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
+                goto finalize_multi_package_session;
+            }
+            read_status_line(fd.get(), buf, sizeof(buf));
+        }
 
         int session_id = -1;
         if (!strncmp("Success", buf, 7)) {
@@ -598,7 +614,6 @@
         fprintf(stdout, "Created child session ID %d.\n", session_id);
         session_ids.push_back(session_id);
 
-        const char* file = argv[i];
         struct stat sb;
         if (stat(file, &sb) == -1) {
             fprintf(stderr, "adb: failed to stat %s: %s\n", file, strerror(errno));
@@ -610,25 +625,21 @@
                                             install_cmd.c_str(), static_cast<uint64_t>(sb.st_size),
                                             session_id, i, android::base::Basename(file).c_str());
 
-        int localFd = adb_open(file, O_RDONLY);
-        if (localFd < 0) {
+        unique_fd local_fd(adb_open(file, O_RDONLY | O_CLOEXEC));
+        if (local_fd < 0) {
             fprintf(stderr, "adb: failed to open %s: %s\n", file, strerror(errno));
             goto finalize_multi_package_session;
         }
 
         std::string error;
-        int remoteFd = adb_connect(cmd, &error);
-        if (remoteFd < 0) {
+        unique_fd remote_fd(adb_connect(cmd, &error));
+        if (remote_fd < 0) {
             fprintf(stderr, "adb: connect error for write: %s\n", error.c_str());
-            adb_close(localFd);
             goto finalize_multi_package_session;
         }
 
-        copy_to_file(localFd, remoteFd);
-        read_status_line(remoteFd, buf, sizeof(buf));
-
-        adb_close(localFd);
-        adb_close(remoteFd);
+        copy_to_file(local_fd.get(), remote_fd.get());
+        read_status_line(remote_fd.get(), buf, sizeof(buf));
 
         if (strncmp("Success", buf, 7)) {
             fprintf(stderr, "adb: failed to write %s\n", file);
@@ -641,13 +652,14 @@
 
     cmd = android::base::StringPrintf("%s install-add-session %d%s", install_cmd.c_str(),
                                       parent_session_id, all_session_ids.c_str());
-    fd = adb_connect(cmd, &error);
-    if (fd < 0) {
-        fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
-        goto finalize_multi_package_session;
+    {
+        unique_fd fd(adb_connect(cmd, &error));
+        if (fd < 0) {
+            fprintf(stderr, "adb: connect error for install-add-session: %s\n", error.c_str());
+            goto finalize_multi_package_session;
+        }
+        read_status_line(fd.get(), buf, sizeof(buf));
     }
-    read_status_line(fd, buf, sizeof(buf));
-    adb_close(fd);
 
     if (strncmp("Success", buf, 7)) {
         fprintf(stderr, "adb: failed to link sessions (%s)\n", cmd.c_str());
@@ -663,13 +675,14 @@
     std::string service =
             android::base::StringPrintf("%s install-%s %d", install_cmd.c_str(),
                                         success == 0 ? "commit" : "abandon", parent_session_id);
-    fd = adb_connect(service, &error);
-    if (fd < 0) {
-        fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
-        return EXIT_FAILURE;
+    {
+        unique_fd fd(adb_connect(service, &error));
+        if (fd < 0) {
+            fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
+            return EXIT_FAILURE;
+        }
+        read_status_line(fd.get(), buf, sizeof(buf));
     }
-    read_status_line(fd, buf, sizeof(buf));
-    adb_close(fd);
 
     if (!strncmp("Success", buf, 7)) {
         fputs(buf, stdout);
@@ -686,13 +699,12 @@
         service = android::base::StringPrintf("%s install-abandon %d", install_cmd.c_str(),
                                               session_ids[i]);
         fprintf(stderr, "Attempting to abandon session ID %d\n", session_ids[i]);
-        fd = adb_connect(service, &error);
+        unique_fd fd(adb_connect(service, &error));
         if (fd < 0) {
             fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
             continue;
         }
-        read_status_line(fd, buf, sizeof(buf));
-        adb_close(fd);
+        read_status_line(fd.get(), buf, sizeof(buf));
     }
     return EXIT_FAILURE;
 }
diff --git a/client/commandline.cpp b/client/commandline.cpp
index 9bc42e1..e963e3d 100644
--- a/client/commandline.cpp
+++ b/client/commandline.cpp
@@ -762,6 +762,17 @@
 }
 
 static int adb_abb(int argc, const char** argv) {
+    FeatureSet features;
+    std::string error_message;
+    if (!adb_get_feature_set(&features, &error_message)) {
+        fprintf(stderr, "error: %s\n", error_message.c_str());
+        return 1;
+    }
+
+    if (!CanUseFeature(features, kFeatureAbb)) {
+        error_exit("abb is not supported by the device");
+    }
+
     // Defaults.
     constexpr char escape_char = '~';  // -e
     constexpr bool use_shell_protocol = true;
diff --git a/client/line_printer.cpp b/client/line_printer.cpp
index 4dc2d28..50c03e8 100644
--- a/client/line_printer.cpp
+++ b/client/line_printer.cpp
@@ -31,6 +31,8 @@
 // Stuff from ninja's util.h that's needed below.
 #include <vector>
 using namespace std;
+// This does not account for multiple UTF-8 bytes corresponding to a single Unicode code point, or
+// multiple code points corresponding to a single grapheme cluster (user-perceived character).
 string ElideMiddle(const string& str, size_t width) {
   const int kMargin = 3;  // Space for "...".
   string result = str;
@@ -85,9 +87,10 @@
     CONSOLE_SCREEN_BUFFER_INFO csbi;
     GetConsoleScreenBufferInfo(console_, &csbi);
 
-    // TODO: std::wstring to_print_wide; if (!android::base::UTF8ToWide(to_print, &to_print_wide)...
-    // TODO: wstring ElideMiddle.
     to_print = ElideMiddle(to_print, static_cast<size_t>(csbi.dwSize.X));
+    std::wstring to_print_wide;
+    // ElideMiddle may create invalid UTF-8, so ignore conversion errors.
+    (void)android::base::UTF8ToWide(to_print, &to_print_wide);
     // We don't want to have the cursor spamming back and forth, so instead of
     // printf use WriteConsoleOutput which updates the contents of the buffer,
     // but doesn't move the cursor position.
@@ -100,12 +103,10 @@
     };
     vector<CHAR_INFO> char_data(csbi.dwSize.X);
     for (size_t i = 0; i < static_cast<size_t>(csbi.dwSize.X); ++i) {
-      // TODO: UnicodeChar instead of AsciiChar, to_print_wide[i].
-      char_data[i].Char.AsciiChar = i < to_print.size() ? to_print[i] : ' ';
-      char_data[i].Attributes = csbi.wAttributes;
+        char_data[i].Char.UnicodeChar = i < to_print_wide.size() ? to_print_wide[i] : L' ';
+        char_data[i].Attributes = csbi.wAttributes;
     }
-    // TODO: WriteConsoleOutputW.
-    WriteConsoleOutput(console_, &char_data[0], buf_size, zero_zero, &target);
+    WriteConsoleOutputW(console_, &char_data[0], buf_size, zero_zero, &target);
 #else
     // Limit output to width of the terminal if provided so we don't cause
     // line-wrapping.
diff --git a/fastdeploy/Android.bp b/fastdeploy/Android.bp
index 400b12f..1ba0de0 100644
--- a/fastdeploy/Android.bp
+++ b/fastdeploy/Android.bp
@@ -22,6 +22,9 @@
     wrapper: "deployagent/deployagent.sh",
     proto: {
         type: "lite",
+    },
+    dex_preopt: {
+        enabled: false,
     }
 }
 
diff --git a/services.cpp b/services.cpp
index 8636657..73fed09 100644
--- a/services.cpp
+++ b/services.cpp
@@ -72,24 +72,23 @@
 }
 
 int service_to_fd(std::string_view name, atransport* transport) {
-    int ret = -1;
+    unique_fd ret;
 
     if (is_socket_spec(name)) {
         std::string error;
-        ret = socket_spec_connect(name, &error);
-        if (ret < 0) {
+        if (!socket_spec_connect(&ret, name, nullptr, nullptr, &error)) {
             LOG(ERROR) << "failed to connect to socket '" << name << "': " << error;
         }
     } else {
 #if !ADB_HOST
-        ret = daemon_service_to_fd(name, transport).release();
+        ret = daemon_service_to_fd(name, transport);
 #endif
     }
 
     if (ret >= 0) {
         close_on_exec(ret);
     }
-    return ret;
+    return ret.release();
 }
 
 #if ADB_HOST
diff --git a/socket_spec.cpp b/socket_spec.cpp
index 4cddc84..cc67b6b 100644
--- a/socket_spec.cpp
+++ b/socket_spec.cpp
@@ -67,7 +67,7 @@
 });
 
 bool parse_tcp_socket_spec(std::string_view spec, std::string* hostname, int* port,
-                           std::string* error) {
+                           std::string* serial, std::string* error) {
     if (!spec.starts_with("tcp:")) {
         *error = "specification is not tcp: ";
         *error += spec;
@@ -92,7 +92,7 @@
 
         // FIXME: ParseNetAddress rejects port 0. This currently doesn't hurt, because listening
         //        on an address that isn't 'localhost' is unsupported.
-        if (!android::base::ParseNetAddress(addr, &hostname_value, &port_value, nullptr, error)) {
+        if (!android::base::ParseNetAddress(addr, &hostname_value, &port_value, serial, error)) {
             return false;
         }
 
@@ -139,63 +139,68 @@
 
     std::string error;
     std::string hostname;
-    if (!parse_tcp_socket_spec(spec, &hostname, nullptr, &error)) {
+    if (!parse_tcp_socket_spec(spec, &hostname, nullptr, nullptr, &error)) {
         return false;
     }
     return tcp_host_is_local(hostname);
 }
 
-int socket_spec_connect(std::string_view spec, std::string* error) {
-    if (spec.starts_with("tcp:")) {
+bool socket_spec_connect(unique_fd* fd, std::string_view address, int* port, std::string* serial,
+                         std::string* error) {
+    if (address.starts_with("tcp:")) {
         std::string hostname;
-        int port;
-        if (!parse_tcp_socket_spec(spec, &hostname, &port, error)) {
-            return -1;
+        int port_value = port ? *port : 0;
+        if (!parse_tcp_socket_spec(address, &hostname, &port_value, serial, error)) {
+            return false;
         }
 
-        int result;
         if (tcp_host_is_local(hostname)) {
-            result = network_loopback_client(port, SOCK_STREAM, error);
+            fd->reset(network_loopback_client(port_value, SOCK_STREAM, error));
         } else {
 #if ADB_HOST
-            result = network_connect(hostname, port, SOCK_STREAM, 0, error);
+            fd->reset(network_connect(hostname, port_value, SOCK_STREAM, 0, error));
 #else
             // Disallow arbitrary connections in adbd.
             *error = "adbd does not support arbitrary tcp connections";
-            return -1;
+            return false;
 #endif
         }
 
-        if (result >= 0) {
-            disable_tcp_nagle(result);
+        if (fd->get() > 0) {
+            disable_tcp_nagle(fd->get());
+            if (port) {
+                *port = port_value;
+            }
+            return true;
         }
-        return result;
+        return false;
     }
 
     for (const auto& it : kLocalSocketTypes) {
         std::string prefix = it.first + ":";
-        if (spec.starts_with(prefix)) {
+        if (address.starts_with(prefix)) {
             if (!it.second.available) {
                 *error = StringPrintf("socket type %s is unavailable on this platform",
                                       it.first.c_str());
-                return -1;
+                return false;
             }
 
-            return network_local_client(&spec[prefix.length()], it.second.socket_namespace,
-                                        SOCK_STREAM, error);
+            fd->reset(network_local_client(&address[prefix.length()], it.second.socket_namespace,
+                                           SOCK_STREAM, error));
+            return true;
         }
     }
 
     *error = "unknown socket specification: ";
-    *error += spec;
-    return -1;
+    *error += address;
+    return false;
 }
 
 int socket_spec_listen(std::string_view spec, std::string* error, int* resolved_tcp_port) {
     if (spec.starts_with("tcp:")) {
         std::string hostname;
         int port;
-        if (!parse_tcp_socket_spec(spec, &hostname, &port, error)) {
+        if (!parse_tcp_socket_spec(spec, &hostname, &port, nullptr, error)) {
             return -1;
         }
 
diff --git a/socket_spec.h b/socket_spec.h
index 5b06973..687d751 100644
--- a/socket_spec.h
+++ b/socket_spec.h
@@ -17,14 +17,18 @@
 #pragma once
 
 #include <string>
+#include <tuple>
+
+#include "adb_unique_fd.h"
 
 // Returns true if the argument starts with a plausible socket prefix.
 bool is_socket_spec(std::string_view spec);
 bool is_local_socket_spec(std::string_view spec);
 
-int socket_spec_connect(std::string_view spec, std::string* error);
+bool socket_spec_connect(unique_fd* fd, std::string_view address, int* port, std::string* serial,
+                         std::string* error);
 int socket_spec_listen(std::string_view spec, std::string* error, int* resolved_tcp_port = nullptr);
 
 // Exposed for testing.
 bool parse_tcp_socket_spec(std::string_view spec, std::string* hostname, int* port,
-                           std::string* error);
+                           std::string* serial, std::string* error);
diff --git a/socket_spec_test.cpp b/socket_spec_test.cpp
index 40ce21c..f5ec0f1 100644
--- a/socket_spec_test.cpp
+++ b/socket_spec_test.cpp
@@ -21,34 +21,37 @@
 #include <gtest/gtest.h>
 
 TEST(socket_spec, parse_tcp_socket_spec) {
-    std::string hostname, error;
+    std::string hostname, error, serial;
     int port;
-    EXPECT_TRUE(parse_tcp_socket_spec("tcp:5037", &hostname, &port, &error));
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:5037", &hostname, &port, &serial, &error));
     EXPECT_EQ("", hostname);
     EXPECT_EQ(5037, port);
+    EXPECT_EQ("", serial);
 
     // Bad ports:
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:-1", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:65536", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:-1", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:65536", &hostname, &port, &serial, &error));
 
-    EXPECT_TRUE(parse_tcp_socket_spec("tcp:localhost:1234", &hostname, &port, &error));
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:localhost:1234", &hostname, &port, &serial, &error));
     EXPECT_EQ("localhost", hostname);
     EXPECT_EQ(1234, port);
+    EXPECT_EQ("localhost:1234", serial);
 
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:-1", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:65536", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:-1", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:65536", &hostname, &port, &serial, &error));
 
     // IPv6:
-    EXPECT_TRUE(parse_tcp_socket_spec("tcp:[::1]:1234", &hostname, &port, &error));
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:[::1]:1234", &hostname, &port, &serial, &error));
     EXPECT_EQ("::1", hostname);
     EXPECT_EQ(1234, port);
+    EXPECT_EQ("[::1]:1234", serial);
 
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:-1", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1", &hostname, &port, &error));
-    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1:1234", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:-1", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1", &hostname, &port, &serial, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1:1234", &hostname, &port, &serial, &error));
 }
diff --git a/sysdeps_win32.cpp b/sysdeps_win32.cpp
index dbc8920..d587589 100644
--- a/sysdeps_win32.cpp
+++ b/sysdeps_win32.cpp
@@ -719,7 +719,7 @@
 /**************************************************************************/
 /**************************************************************************/
 
-static int _init_winsock(void) {
+static void _init_winsock() {
     static std::once_flag once;
     std::call_once(once, []() {
         WSADATA wsaData;
@@ -743,11 +743,8 @@
         //    crypt32.dll which calls atexit() which tries to acquire the C
         //    Runtime lock that the other thread holds.
     });
-    return 0;
 }
 
-static int _winsock_init = _init_winsock();
-
 // Map a socket type to an explicit socket protocol instead of using the socket
 // protocol of 0. Explicit socket protocols are used by most apps and we should
 // do the same to reduce the chance of exercising uncommon code-paths that might
@@ -2621,14 +2618,13 @@
 }
 
 // Shadow UTF-8 environment variable name/value pairs that are created from
-// _wenviron the first time that adb_getenv() is called. Note that this is not
-// currently updated if putenv, setenv, unsetenv are called. Note that no
-// thread synchronization is done, but we're called early enough in
+// _wenviron by _init_env(). Note that this is not currently updated if putenv, setenv, unsetenv are
+// called. Note that no thread synchronization is done, but we're called early enough in
 // single-threaded startup that things work ok.
 static auto& g_environ_utf8 = *new std::unordered_map<std::string, char*>();
 
-// Make sure that shadow UTF-8 environment variables are setup.
-static void _ensure_env_setup() {
+// Setup shadow UTF-8 environment variables.
+static void _init_env() {
     // If some name/value pairs exist, then we've already done the setup below.
     if (g_environ_utf8.size() != 0) {
         return;
@@ -2681,8 +2677,6 @@
 // Version of getenv() that takes a UTF-8 environment variable name and
 // retrieves a UTF-8 value. Case-insensitive to match getenv() on Windows.
 char* adb_getenv(const char* name) {
-    _ensure_env_setup();
-
     // Case-insensitive search by searching for lowercase name in a map of
     // lowercase names.
     const auto it = g_environ_utf8.find(ToLower(std::string(name)));
@@ -2757,3 +2751,65 @@
 
     return 0;
 }
+
+#if !defined(ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
+#endif
+
+#if !defined(DISABLE_NEWLINE_AUTO_RETURN)
+#define DISABLE_NEWLINE_AUTO_RETURN 0x0008
+#endif
+
+static void _init_console() {
+    DWORD old_out_console_mode;
+
+    const HANDLE out = _get_console_handle(STDOUT_FILENO, &old_out_console_mode);
+    if (out == nullptr) {
+        return;
+    }
+
+    // Try to use ENABLE_VIRTUAL_TERMINAL_PROCESSING on the output console to process virtual
+    // terminal sequences on newer versions of Windows 10 and later.
+    // https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences
+    // On older OSes that don't support the flag, SetConsoleMode() will return an error.
+    // ENABLE_VIRTUAL_TERMINAL_PROCESSING also solves a problem where the last column of the
+    // console cannot be overwritten.
+    //
+    // Note that we don't use DISABLE_NEWLINE_AUTO_RETURN because it doesn't seem to be necessary.
+    // If we use DISABLE_NEWLINE_AUTO_RETURN, _console_write_utf8() would need to be modified to
+    // translate \n to \r\n.
+    if (!SetConsoleMode(out, old_out_console_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING)) {
+        return;
+    }
+
+    // If SetConsoleMode() succeeded, the console supports virtual terminal processing, so we
+    // should set the TERM env var to match so that it will be propagated to adbd on devices.
+    //
+    // Below's direct manipulation of env vars and not g_environ_utf8 assumes that _init_env() has
+    // not yet been called. If this fails, _init_env() should be called after _init_console().
+    if (g_environ_utf8.size() > 0) {
+        LOG(FATAL) << "environment variables have already been converted to UTF-8";
+    }
+
+#pragma push_macro("getenv")
+#undef getenv
+#pragma push_macro("putenv")
+#undef putenv
+    if (getenv("TERM") == nullptr) {
+        // This is the same TERM value used by Gnome Terminal and the version of ssh included with
+        // Windows.
+        putenv("TERM=xterm-256color");
+    }
+#pragma pop_macro("putenv")
+#pragma pop_macro("getenv")
+}
+
+static bool _init_sysdeps() {
+    // _init_console() depends on _init_env() not being called yet.
+    _init_console();
+    _init_env();
+    _init_winsock();
+    return true;
+}
+
+static bool _sysdeps_init = _init_sysdeps();
diff --git a/transport.cpp b/transport.cpp
index f59a135..ae53597 100644
--- a/transport.cpp
+++ b/transport.cpp
@@ -68,6 +68,7 @@
 const char* const kFeaturePushSync = "push_sync";
 const char* const kFeatureApex = "apex";
 const char* const kFeatureFixedPushMkdir = "fixed_push_mkdir";
+const char* const kFeatureAbb = "abb";
 
 namespace {
 
@@ -1013,7 +1014,8 @@
 const FeatureSet& supported_features() {
     // Local static allocation to avoid global non-POD variables.
     static const FeatureSet* features = new FeatureSet{
-            kFeatureShell2, kFeatureCmd, kFeatureStat2, kFeatureFixedPushMkdir, kFeatureApex
+            kFeatureShell2,         kFeatureCmd,  kFeatureStat2,
+            kFeatureFixedPushMkdir, kFeatureApex, kFeatureAbb,
             // Increment ADB_SERVER_VERSION when adding a feature that adbd needs
             // to know about. Otherwise, the client can be stuck running an old
             // version of the server even after upgrading their copy of adb.
diff --git a/transport.h b/transport.h
index 790004f..6f53e6e 100644
--- a/transport.h
+++ b/transport.h
@@ -64,6 +64,8 @@
 extern const char* const kFeatureApex;
 // adbd has b/110953234 fixed.
 extern const char* const kFeatureFixedPushMkdir;
+// adbd supports android binder bridge (abb).
+extern const char* const kFeatureAbb;
 
 TransportId NextTransportId();
 
diff --git a/transport_local.cpp b/transport_local.cpp
index dc87ac7..b384085 100644
--- a/transport_local.cpp
+++ b/transport_local.cpp
@@ -45,6 +45,7 @@
 #include "adb_io.h"
 #include "adb_unique_fd.h"
 #include "adb_utils.h"
+#include "socket_spec.h"
 #include "sysdeps/chrono.h"
 
 #if ADB_HOST
@@ -70,32 +71,17 @@
 
 std::tuple<unique_fd, int, std::string> tcp_connect(const std::string& address,
                                                     std::string* response) {
-    std::string serial;
-    std::string host;
+    unique_fd fd;
     int port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
-    if (!android::base::ParseNetAddress(address, &host, &port, &serial, response)) {
-        D("failed to parse address: '%s'", address.c_str());
-        return std::make_tuple(unique_fd(), port, serial);
-    }
-
-    std::string error;
-    unique_fd fd(network_connect(host.c_str(), port, SOCK_STREAM, 10, &error));
-    if (fd == -1) {
-        *response = android::base::StringPrintf("unable to connect to %s: %s",
-                                                serial.c_str(), error.c_str());
+    std::string serial;
+    if (socket_spec_connect(&fd, "tcp:" + address, &port, &serial, response)) {
+        close_on_exec(fd);
+        if (!set_tcp_keepalive(fd, 1)) {
+            D("warning: failed to configure TCP keepalives (%s)", strerror(errno));
+        }
         return std::make_tuple(std::move(fd), port, serial);
     }
-
-    D("client: connected %s remote on fd %d", serial.c_str(), fd.get());
-    close_on_exec(fd);
-    disable_tcp_nagle(fd);
-
-    // Send a TCP keepalive ping to the device every second so we can detect disconnects.
-    if (!set_tcp_keepalive(fd, 1)) {
-        D("warning: failed to configure TCP keepalives (%s)", strerror(errno));
-    }
-
-    return std::make_tuple(std::move(fd), port, serial);
+    return std::make_tuple(unique_fd(), 0, "");
 }
 
 void connect_device(const std::string& address, std::string* response) {
@@ -251,8 +237,9 @@
     adb_thread_setname("server socket");
     D("transport: server_socket_thread() starting");
     while (serverfd == -1) {
+        std::string spec = android::base::StringPrintf("tcp:%d", port);
         std::string error;
-        serverfd.reset(network_inaddr_any_server(port, SOCK_STREAM, &error));
+        serverfd.reset(socket_spec_listen(spec, &error));
         if (serverfd < 0) {
             D("server: cannot bind socket yet: %s", error.c_str());
             std::this_thread::sleep_for(1s);