381cfa9a8b
Also move us off the "convenience" function because you can't get useful error reporting from it. Change-Id: I5fcc6a6d762f5f60906980a7835f01a35045be65
117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "sysdeps.h"
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#include <stdio.h>
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#include <base/file.h>
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#include <base/logging.h>
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#include <base/strings.h>
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#include <cutils/sockets.h>
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#include "adb.h"
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#include "adb_client.h"
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// Return the console port of the currently connected emulator (if any) or -1 if
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// there is no emulator, and -2 if there is more than one.
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static int adb_get_emulator_console_port(const char* serial) {
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if (serial) {
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// The user specified a serial number; is it an emulator?
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int port;
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return (sscanf(serial, "emulator-%d", &port) == 1) ? port : -1;
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}
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// No specific device was given, so get the list of connected devices and
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// search for emulators. If there's one, we'll take it. If there are more
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// than one, that's an error.
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std::string devices;
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std::string error;
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if (!adb_query("host:devices", &devices, &error)) {
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fprintf(stderr, "error: no emulator connected: %s\n", error.c_str());
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return -1;
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}
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int port;
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size_t emulator_count = 0;
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for (const auto& device : android::base::Split(devices, "\n")) {
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if (sscanf(device.c_str(), "emulator-%d", &port) == 1) {
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if (++emulator_count > 1) {
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fprintf(
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stderr, "error: more than one emulator detected; use -s\n");
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return -1;
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}
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}
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}
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if (emulator_count == 0) {
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fprintf(stderr, "error: no emulator detected\n");
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return -1;
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}
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return port;
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}
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static int connect_to_console(const char* serial) {
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int port = adb_get_emulator_console_port(serial);
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if (port == -1) {
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return -1;
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}
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int fd = socket_loopback_client(port, SOCK_STREAM);
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if (fd == -1) {
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fprintf(stderr, "error: could not connect to TCP port %d\n", port);
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return -1;
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}
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return fd;
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}
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int adb_send_emulator_command(int argc, const char** argv, const char* serial) {
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int fd = connect_to_console(serial);
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if (fd == -1) {
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return 1;
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}
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for (int i = 1; i < argc; i++) {
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adb_write(fd, argv[i], strlen(argv[i]));
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adb_write(fd, i == argc - 1 ? "\n" : " ", 1);
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}
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const char disconnect_command[] = "quit\n";
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if (adb_write(fd, disconnect_command, sizeof(disconnect_command) - 1) == -1) {
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LOG(FATAL) << "Could not finalize emulator command";
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}
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// Drain output that the emulator console has sent us to prevent a problem
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// on Windows where if adb closes the socket without reading all the data,
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// the emulator's next call to recv() will have an ECONNABORTED error,
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// preventing the emulator from reading the command that adb has sent.
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// https://code.google.com/p/android/issues/detail?id=21021
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int result;
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do {
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char buf[BUFSIZ];
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result = adb_read(fd, buf, sizeof(buf));
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// Keep reading until zero bytes (EOF) or an error. If 'adb emu kill'
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// is executed, the emulator calls exit() which causes adb to get
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// ECONNRESET. Any other emu command is followed by the quit command
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// that we sent above, and that causes the emulator to close the socket
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// which should cause zero bytes (EOF) to be returned.
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} while (result > 0);
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adb_close(fd);
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return 0;
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}
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