1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * you may not use this file except in compliance with the License. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * You may obtain a copy of the License at 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * See the License for the specific language governing permissions and 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * limitations under the License. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 173313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#define TRACE_TAG TRACE_TRANSPORT 183313426fad9eaaf53017cdbde889ebcec91358ecDan Albert 193313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#include "sysdeps.h" 203313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#include "transport.h" 213313426fad9eaaf53017cdbde889ebcec91358ecDan Albert 227664901a355b959f312e9acff5a0fd31b7139623Dan Albert#include <errno.h> 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 267664901a355b959f312e9acff5a0fd31b7139623Dan Albert#include <sys/types.h> 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 28e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes#include <base/stringprintf.h> 29e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes 307664901a355b959f312e9acff5a0fd31b7139623Dan Albert#if !ADB_HOST 317664901a355b959f312e9acff5a0fd31b7139623Dan Albert#include "cutils/properties.h" 327664901a355b959f312e9acff5a0fd31b7139623Dan Albert#endif 333313426fad9eaaf53017cdbde889ebcec91358ecDan Albert 343313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#include "adb.h" 353313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#include "adb_io.h" 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if ADB_HOST 38d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger/* we keep a list of opened transports. The atransport struct knows to which 39d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger * local transport it is connected. The list is used to detect when we're 40d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger * trying to connect twice to a given local transport. 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 42094fd86b1423fbb4f4c421447ddf6d10a5027c7bDavid 'Digit' Turner#define ADB_LOCAL_TRANSPORT_MAX 64 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source ProjectADB_MUTEX_DEFINE( local_transports_lock ); 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic atransport* local_transports[ ADB_LOCAL_TRANSPORT_MAX ]; 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif /* ADB_HOST */ 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int remote_read(apacket *p, atransport *t) 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 51cc731cc76786b6bdc58764aad9924c0d0c8d645fDan Albert if(!ReadFdExactly(t->sfd, &p->msg, sizeof(amessage))){ 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("remote local: read terminated (message)\n"); 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(check_header(p)) { 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("bad header: terminated (data)\n"); 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 61cc731cc76786b6bdc58764aad9924c0d0c8d645fDan Albert if(!ReadFdExactly(t->sfd, p->data, p->msg.data_length)){ 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("remote local: terminated (data)\n"); 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(check_data(p)) { 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("bad data: terminated (data)\n"); 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int remote_write(apacket *p, atransport *t) 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int length = p->msg.data_length; 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 78cc731cc76786b6bdc58764aad9924c0d0c8d645fDan Albert if(!WriteFdExactly(t->sfd, &p->msg, sizeof(amessage) + length)) { 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("remote local: write terminated\n"); 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 87d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingerint local_connect(int port) { 88d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return local_connect_arbitrary_ports(port-1, port); 89d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger} 90d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 91d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingerint local_connect_arbitrary_ports(int console_port, int adb_port) 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd = -1; 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if ADB_HOST 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const char *host = getenv("ADBHOST"); 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (host) { 98d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger fd = socket_network_client(host, adb_port, SOCK_STREAM); 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fd < 0) { 102d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger fd = socket_loopback_client(adb_port, SOCK_STREAM); 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fd >= 0) { 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("client: connected on remote on fd %d\n", fd); 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close_on_exec(fd); 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project disable_tcp_nagle(fd); 109e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes std::string serial = android::base::StringPrintf("emulator-%d", console_port); 110e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes register_socket_transport(fd, serial.c_str(), adb_port, 1); 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void *client_socket_thread(void *x) 118dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if ADB_HOST 120a84a42eb20d43ffa2695a69d583a6e09532b49d9Stefan Hilzinger int port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT; 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int count = ADB_LOCAL_TRANSPORT_MAX; 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("transport: client_socket_thread() starting\n"); 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* try to connect to any number of running emulator instances */ 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* this is only done when ADB starts up. later, each new emulator */ 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* will send a message to ADB to indicate that is is starting up */ 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for ( ; count > 0; count--, port += 2 ) { 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (void) local_connect(port); 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 132dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 135ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwoodstatic void *server_socket_thread(void * arg) 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int serverfd, fd; 1389a77f55aada6c5a8da3d330d858bd04c1c0b6c51Kenny Root struct sockaddr addr; 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project socklen_t alen; 140ccecf1425412beb2bc3bb38d470293fdc244d6f1Elliott Hughes int port = (int) (uintptr_t) arg; 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("transport: server_socket_thread() starting\n"); 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project serverfd = -1; 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for(;;) { 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(serverfd == -1) { 146ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwood serverfd = socket_inaddr_any_server(port, SOCK_STREAM); 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(serverfd < 0) { 1487b506090e1ac51f4990f17621c6e33847b0632a2Elliott Hughes D("server: cannot bind socket yet: %s\n", strerror(errno)); 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_sleep_ms(1000); 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project continue; 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close_on_exec(serverfd); 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project alen = sizeof(addr); 156ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwood D("server: trying to get new connection from %d\n", port); 1579a77f55aada6c5a8da3d330d858bd04c1c0b6c51Kenny Root fd = adb_socket_accept(serverfd, &addr, &alen); 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd >= 0) { 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("server: new connection on fd %d\n", fd); 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close_on_exec(fd); 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project disable_tcp_nagle(fd); 162ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwood register_socket_transport(fd, "host", port, 1); 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("transport: server_socket_thread() exiting\n"); 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 169c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine/* This is relevant only for ADB daemon running inside the emulator. */ 170c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine#if !ADB_HOST 171c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine/* 172c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * Redefine open and write for qemu_pipe.h that contains inlined references 173c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * to those routines. We will redifine them back after qemu_pipe.h inclusion. 174c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine */ 175c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#undef open 176c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#undef write 177c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#define open adb_open 178c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#define write adb_write 179c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#include <hardware/qemu_pipe.h> 180c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#undef open 181c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#undef write 182c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#define open ___xxx_open 183c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine#define write ___xxx_write 184c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 185c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine/* A worker thread that monitors host connections, and registers a transport for 186c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * every new host connection. This thread replaces server_socket_thread on 187c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * condition that adbd daemon runs inside the emulator, and emulator uses QEMUD 188c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * pipe to communicate with adbd daemon inside the guest. This is done in order 189c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * to provide more robust communication channel between ADB host and guest. The 190c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * main issue with server_socket_thread approach is that it runs on top of TCP, 191c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * and thus is sensitive to network disruptions. For instance, the 192c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * ConnectionManager may decide to reset all network connections, in which case 193c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * the connection between ADB host and guest will be lost. To make ADB traffic 194c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * independent from the network, we use here 'adb' QEMUD service to transfer data 195c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * between the host, and the guest. See external/qemu/android/adb-*.* that 196c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * implements the emulator's side of the protocol. Another advantage of using 197c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * QEMUD approach is that ADB will be up much sooner, since it doesn't depend 198c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * anymore on network being set up. 199c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * The guest side of the protocol contains the following phases: 200c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * - Connect with adb QEMUD service. In this phase a handle to 'adb' QEMUD service 201c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * is opened, and it becomes clear whether or not emulator supports that 202c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * protocol. 203c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * - Wait for the ADB host to create connection with the guest. This is done by 204c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * sending an 'accept' request to the adb QEMUD service, and waiting on 205c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * response. 206c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * - When new ADB host connection is accepted, the connection with adb QEMUD 207c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * service is registered as the transport, and a 'start' request is sent to the 208c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * adb QEMUD service, indicating that the guest is ready to receive messages. 209c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * Note that the guest will ignore messages sent down from the emulator before 210c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * the transport registration is completed. That's why we need to send the 211c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * 'start' request after the transport is registered. 212c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine */ 213c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkinestatic void *qemu_socket_thread(void * arg) 214c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine{ 215c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine/* 'accept' request to the adb QEMUD service. */ 216c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkinestatic const char _accept_req[] = "accept"; 217c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine/* 'start' request to the adb QEMUD service. */ 218c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkinestatic const char _start_req[] = "start"; 219c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine/* 'ok' reply from the adb QEMUD service. */ 220c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkinestatic const char _ok_resp[] = "ok"; 221c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 222ccecf1425412beb2bc3bb38d470293fdc244d6f1Elliott Hughes const int port = (int) (uintptr_t) arg; 223c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine int res, fd; 224c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine char tmp[256]; 225c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine char con_name[32]; 226c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 227c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("transport: qemu_socket_thread() starting\n"); 228c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 229c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* adb QEMUD service connection request. */ 230c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine snprintf(con_name, sizeof(con_name), "qemud:adb:%d", port); 231c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 232c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Connect to the adb QEMUD service. */ 233c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine fd = qemu_pipe_open(con_name); 234c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine if (fd < 0) { 235c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* This could be an older version of the emulator, that doesn't 236c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * implement adb QEMUD service. Fall back to the old TCP way. */ 237c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine adb_thread_t thr; 238c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("adb service is not available. Falling back to TCP socket.\n"); 239c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine adb_thread_create(&thr, server_socket_thread, arg); 240c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine return 0; 241c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 242c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 243c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine for(;;) { 244c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* 245c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * Wait till the host creates a new connection. 246c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine */ 247c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 248c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Send the 'accept' request. */ 249c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine res = adb_write(fd, _accept_req, strlen(_accept_req)); 250ae06933cdeb61b1145a1245ea3f40a3d159d215bEdwin Vane if ((size_t)res == strlen(_accept_req)) { 251c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Wait for the response. In the response we expect 'ok' on success, 252c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * or 'ko' on failure. */ 253c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine res = adb_read(fd, tmp, sizeof(tmp)); 254c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine if (res != 2 || memcmp(tmp, _ok_resp, 2)) { 255c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("Accepting ADB host connection has failed.\n"); 256c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine adb_close(fd); 257c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } else { 258c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Host is connected. Register the transport, and start the 259c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * exchange. */ 260c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine register_socket_transport(fd, "host", port, 1); 261c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine adb_write(fd, _start_req, strlen(_start_req)); 262c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 263c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 264c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Prepare for accepting of the next ADB host connection. */ 265c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine fd = qemu_pipe_open(con_name); 266c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine if (fd < 0) { 267c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("adb service become unavailable.\n"); 268c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine return 0; 269c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 270c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } else { 271c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("Unable to send the '%s' request to ADB service.\n", _accept_req); 272c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine return 0; 273c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 274c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 275c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine D("transport: qemu_socket_thread() exiting\n"); 276c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine return 0; 277c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine} 278c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine#endif // !ADB_HOST 279c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine 280ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwoodvoid local_init(int port) 281dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 282dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_thread_t thr; 283dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project void* (*func)(void *); 284dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 285dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(HOST) { 286dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project func = client_socket_thread; 287dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 288c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine#if ADB_HOST 289c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine func = server_socket_thread; 290c4f37eed734ecd3310bbe241df1b940329e91d74Vladimir Chtchetkine#else 291c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* For the adbd daemon in the system image we need to distinguish 292c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine * between the device, and the emulator. */ 293c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine char is_qemu[PROPERTY_VALUE_MAX]; 294c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine property_get("ro.kernel.qemu", is_qemu, ""); 295c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine if (!strcmp(is_qemu, "1")) { 296c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Running inside the emulator: use QEMUD pipe as the transport. */ 297c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine func = qemu_socket_thread; 298c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } else { 299c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine /* Running inside the device: use TCP socket as the transport. */ 300c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine func = server_socket_thread; 301c13daef7bdc09886ffbd573d7836a66b01c02084Vladimir Chtchetkine } 302fc656103dba298dbab1377ab07060068f50a5f83Anatol Pomazau#endif // !ADB_HOST 303dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 304dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 305dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("transport: local %s init\n", HOST ? "client" : "server"); 306dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 307ccecf1425412beb2bc3bb38d470293fdc244d6f1Elliott Hughes if(adb_thread_create(&thr, func, (void *) (uintptr_t) port)) { 308dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fatal_errno("cannot create local socket %s thread", 309dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project HOST ? "client" : "server"); 310dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 311dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 312dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 313dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void remote_kick(atransport *t) 314dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 315dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd = t->sfd; 316dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->sfd = -1; 3178cf0d59f61ae0b8554ecf3fe051850508b761b79Mike Lockwood adb_shutdown(fd); 318dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_close(fd); 319dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 320dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if ADB_HOST 321dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(HOST) { 322dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int nn; 323dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_mutex_lock( &local_transports_lock ); 324dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (nn = 0; nn < ADB_LOCAL_TRANSPORT_MAX; nn++) { 325dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (local_transports[nn] == t) { 326dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project local_transports[nn] = NULL; 327dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 328dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 329dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 330dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_mutex_unlock( &local_transports_lock ); 331dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 332dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 333dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 334dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 335dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void remote_close(atransport *t) 336dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 337dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_close(t->fd); 338dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 339dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 340d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 341d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger#if ADB_HOST 342d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger/* Only call this function if you already hold local_transports_lock. */ 343d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingeratransport* find_emulator_transport_by_adb_port_locked(int adb_port) 344d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger{ 345d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger int i; 346d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger for (i = 0; i < ADB_LOCAL_TRANSPORT_MAX; i++) { 347d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger if (local_transports[i] && local_transports[i]->adb_port == adb_port) { 348d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return local_transports[i]; 349d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 350d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 351d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return NULL; 352d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger} 353d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 354d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingeratransport* find_emulator_transport_by_adb_port(int adb_port) 355d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger{ 356d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_mutex_lock( &local_transports_lock ); 357d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger atransport* result = find_emulator_transport_by_adb_port_locked(adb_port); 358d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_mutex_unlock( &local_transports_lock ); 359d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return result; 360d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger} 361d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 362d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger/* Only call this function if you already hold local_transports_lock. */ 363d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingerint get_available_local_transport_index_locked() 364d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger{ 365d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger int i; 366d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger for (i = 0; i < ADB_LOCAL_TRANSPORT_MAX; i++) { 367d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger if (local_transports[i] == NULL) { 368d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return i; 369d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 370d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 371d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return -1; 372d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger} 373d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 374d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingerint get_available_local_transport_index() 375d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger{ 376d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_mutex_lock( &local_transports_lock ); 377d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger int result = get_available_local_transport_index_locked(); 378d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_mutex_unlock( &local_transports_lock ); 379d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger return result; 380d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger} 381d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger#endif 382d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger 383d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzingerint init_socket_transport(atransport *t, int s, int adb_port, int local) 384dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 385dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fail = 0; 386dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 387dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->kick = remote_kick; 388dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->close = remote_close; 389dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->read_from_remote = remote_read; 390dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->write_to_remote = remote_write; 391dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->sfd = s; 392dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->sync_token = 1; 393dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->connection_state = CS_OFFLINE; 394dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t->type = kTransportLocal; 395d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger t->adb_port = 0; 396dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 397dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if ADB_HOST 398ff19670d485fd5ee296e23b00b035ac22975c647Mike Lockwood if (HOST && local) { 399dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project adb_mutex_lock( &local_transports_lock ); 400dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project { 401d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger t->adb_port = adb_port; 402d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger atransport* existing_transport = 403d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger find_emulator_transport_by_adb_port_locked(adb_port); 404d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger int index = get_available_local_transport_index_locked(); 405d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger if (existing_transport != NULL) { 406dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project D("local transport for port %d already registered (%p)?\n", 407d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_port, existing_transport); 408dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fail = -1; 409d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } else if (index < 0) { 410d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger // Too many emulators. 411d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger D("cannot register more emulators. Maximum is %d\n", 412d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger ADB_LOCAL_TRANSPORT_MAX); 413d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger fail = -1; 414d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } else { 415dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project local_transports[index] = t; 416d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 417d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger } 418d9d1ca47802395e9e42e7deb05b2683d9d306598Stefan Hilzinger adb_mutex_unlock( &local_transports_lock ); 419dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 420dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 421dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return fail; 422dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 423