blob: b7f53458e5aba6a47420ef33698879c9fbecee10 [file] [log] [blame]
/*
* Copyright (C) 2015 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.
*/
#include "sysdeps.h"
#include <stdio.h>
#include <base/file.h>
#include <base/logging.h>
#include <base/strings.h>
#include <cutils/sockets.h>
#include "adb.h"
#include "adb_client.h"
// Return the console port of the currently connected emulator (if any) or -1 if
// there is no emulator, and -2 if there is more than one.
static int adb_get_emulator_console_port(const char* serial) {
if (serial) {
// The user specified a serial number; is it an emulator?
int port;
return (sscanf(serial, "emulator-%d", &port) == 1) ? port : -1;
}
// No specific device was given, so get the list of connected devices and
// search for emulators. If there's one, we'll take it. If there are more
// than one, that's an error.
std::string devices;
std::string error;
if (!adb_query("host:devices", &devices, &error)) {
fprintf(stderr, "error: no emulator connected: %s\n", error.c_str());
return -1;
}
int port;
size_t emulator_count = 0;
for (const auto& device : android::base::Split(devices, "\n")) {
if (sscanf(device.c_str(), "emulator-%d", &port) == 1) {
if (++emulator_count > 1) {
fprintf(
stderr, "error: more than one emulator detected; use -s\n");
return -1;
}
}
}
if (emulator_count == 0) {
fprintf(stderr, "error: no emulator detected\n");
return -1;
}
return port;
}
static int connect_to_console(const char* serial) {
int port = adb_get_emulator_console_port(serial);
if (port == -1) {
return -1;
}
int fd = socket_loopback_client(port, SOCK_STREAM);
if (fd == -1) {
fprintf(stderr, "error: could not connect to TCP port %d\n", port);
return -1;
}
return fd;
}
int adb_send_emulator_command(int argc, const char** argv, const char* serial) {
int fd = connect_to_console(serial);
if (fd == -1) {
return 1;
}
for (int i = 1; i < argc; i++) {
adb_write(fd, argv[i], strlen(argv[i]));
adb_write(fd, i == argc - 1 ? "\n" : " ", 1);
}
const char disconnect_command[] = "quit\n";
if (adb_write(fd, disconnect_command, sizeof(disconnect_command) - 1) == -1) {
LOG(FATAL) << "Could not finalize emulator command";
}
// Drain output that the emulator console has sent us to prevent a problem
// on Windows where if adb closes the socket without reading all the data,
// the emulator's next call to recv() will have an ECONNABORTED error,
// preventing the emulator from reading the command that adb has sent.
// https://code.google.com/p/android/issues/detail?id=21021
int result;
do {
char buf[BUFSIZ];
result = adb_read(fd, buf, sizeof(buf));
// Keep reading until zero bytes (EOF) or an error. If 'adb emu kill'
// is executed, the emulator calls exit() which causes adb to get
// ECONNRESET. Any other emu command is followed by the quit command
// that we sent above, and that causes the emulator to close the socket
// which should cause zero bytes (EOF) to be returned.
} while (result > 0);
adb_close(fd);
return 0;
}