platform_system_core/adb/adb.h
Josh Gao 27cb7dca77 adb: switch asocket::enqueue to std::string.
Switch asocket over to taking a std::string instead of apacket* for
data. This allows us to remove asocket specific fields from apacket*.

Test: python test_device.py with x86_64 emulator, walleye
Test: adb_test on host
Change-Id: I9d157ff331a75ba49a54fdd4194e3f6cdff722f4
2018-02-06 12:59:06 -08:00

238 lines
7 KiB
C++

/*
* Copyright (C) 2007 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.
*/
#ifndef __ADB_H
#define __ADB_H
#include <limits.h>
#include <stdint.h>
#include <sys/types.h>
#include <string>
#include <android-base/macros.h>
#include "adb_trace.h"
#include "fdevent.h"
#include "socket.h"
#include "usb.h"
constexpr size_t MAX_PAYLOAD_V1 = 4 * 1024;
constexpr size_t MAX_PAYLOAD = 1024 * 1024;
constexpr size_t LINUX_MAX_SOCKET_SIZE = 4194304;
#define A_SYNC 0x434e5953
#define A_CNXN 0x4e584e43
#define A_OPEN 0x4e45504f
#define A_OKAY 0x59414b4f
#define A_CLSE 0x45534c43
#define A_WRTE 0x45545257
#define A_AUTH 0x48545541
// ADB protocol version.
// Version revision:
// 0x01000000: original
// 0x01000001: skip checksum (Dec 2017)
#define A_VERSION_MIN 0x01000000
#define A_VERSION_SKIP_CHECKSUM 0x01000001
#define A_VERSION 0x01000001
// Used for help/version information.
#define ADB_VERSION_MAJOR 1
#define ADB_VERSION_MINOR 0
std::string adb_version();
// Increment this when we want to force users to start a new adb server.
#define ADB_SERVER_VERSION 40
using TransportId = uint64_t;
class atransport;
struct amessage {
uint32_t command; /* command identifier constant */
uint32_t arg0; /* first argument */
uint32_t arg1; /* second argument */
uint32_t data_length; /* length of payload (0 is allowed) */
uint32_t data_check; /* checksum of data payload */
uint32_t magic; /* command ^ 0xffffffff */
};
struct apacket {
amessage msg;
char data[MAX_PAYLOAD];
};
uint32_t calculate_apacket_checksum(const apacket* packet);
/* the adisconnect structure is used to record a callback that
** will be called whenever a transport is disconnected (e.g. by the user)
** this should be used to cleanup objects that depend on the
** transport (e.g. remote sockets, listeners, etc...)
*/
struct adisconnect {
void (*func)(void* opaque, atransport* t);
void* opaque;
};
// A transport object models the connection to a remote device or emulator there
// is one transport per connected device/emulator. A "local transport" connects
// through TCP (for the emulator), while a "usb transport" through USB (for real
// devices).
//
// Note that kTransportHost doesn't really correspond to a real transport
// object, it's a special value used to indicate that a client wants to connect
// to a service implemented within the ADB server itself.
enum TransportType {
kTransportUsb,
kTransportLocal,
kTransportAny,
kTransportHost,
};
#define TOKEN_SIZE 20
enum ConnectionState {
kCsAny = -1,
kCsOffline = 0,
kCsBootloader,
kCsDevice,
kCsHost,
kCsRecovery,
kCsNoPerm, // Insufficient permissions to communicate with the device.
kCsSideload,
kCsUnauthorized,
};
void print_packet(const char* label, apacket* p);
// These use the system (v)fprintf, not the adb prefixed ones defined in sysdeps.h, so they
// shouldn't be tagged with ADB_FORMAT_ARCHETYPE.
void fatal(const char* fmt, ...) __attribute__((noreturn, format(__printf__, 1, 2)));
void fatal_errno(const char* fmt, ...) __attribute__((noreturn, format(__printf__, 1, 2)));
void handle_packet(apacket* p, atransport* t);
int launch_server(const std::string& socket_spec);
int adb_server_main(int is_daemon, const std::string& socket_spec, int ack_reply_fd);
/* initialize a transport object's func pointers and state */
int init_socket_transport(atransport* t, int s, int port, int local);
void init_usb_transport(atransport* t, usb_handle* usb);
std::string getEmulatorSerialString(int console_port);
#if ADB_HOST
atransport* find_emulator_transport_by_adb_port(int adb_port);
atransport* find_emulator_transport_by_console_port(int console_port);
#endif
int service_to_fd(const char* name, const atransport* transport);
#if ADB_HOST
asocket* host_service_to_socket(const char* name, const char* serial, TransportId transport_id);
#endif
#if !ADB_HOST
int init_jdwp(void);
asocket* create_jdwp_service_socket();
asocket* create_jdwp_tracker_service_socket();
int create_jdwp_connection_fd(int jdwp_pid);
#endif
int handle_forward_request(const char* service, TransportType type, const char* serial,
TransportId transport_id, int reply_fd);
#if !ADB_HOST
void framebuffer_service(int fd, void* cookie);
void set_verity_enabled_state_service(int fd, void* cookie);
#endif
/* packet allocator */
apacket* get_apacket(void);
void put_apacket(apacket* p);
// Define it if you want to dump packets.
#define DEBUG_PACKETS 0
#if !DEBUG_PACKETS
#define print_packet(tag, p) \
do { \
} while (0)
#endif
#if ADB_HOST_ON_TARGET
/* adb and adbd are coexisting on the target, so use 5038 for adb
* to avoid conflicting with adbd's usage of 5037
*/
#define DEFAULT_ADB_PORT 5038
#else
#define DEFAULT_ADB_PORT 5037
#endif
#define DEFAULT_ADB_LOCAL_TRANSPORT_PORT 5555
#define ADB_CLASS 0xff
#define ADB_SUBCLASS 0x42
#define ADB_PROTOCOL 0x1
void local_init(int port);
bool local_connect(int port);
int local_connect_arbitrary_ports(int console_port, int adb_port, std::string* error);
ConnectionState connection_state(atransport* t);
extern const char* adb_device_banner;
#if !ADB_HOST
extern int SHELL_EXIT_NOTIFY_FD;
#endif // !ADB_HOST
#define CHUNK_SIZE (64 * 1024)
#if !ADB_HOST
#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/"
#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH #x
#define USB_FFS_ADB_EP0 USB_FFS_ADB_EP(ep0)
#define USB_FFS_ADB_OUT USB_FFS_ADB_EP(ep1)
#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2)
#endif
int handle_host_request(const char* service, TransportType type, const char* serial,
TransportId transport_id, int reply_fd, asocket* s);
void handle_online(atransport* t);
void handle_offline(atransport* t);
void send_connect(atransport* t);
void parse_banner(const std::string&, atransport* t);
// On startup, the adb server needs to wait until all of the connected devices are ready.
// To do this, we need to know when the scan has identified all of the potential new transports, and
// when each transport becomes ready.
// TODO: Do this for mDNS as well, instead of just USB?
// We've found all of the transports we potentially care about.
void adb_notify_device_scan_complete();
// One or more transports have changed status, check to see if we're ready.
void update_transport_status();
// Wait until device scan has completed and every transport is ready, or a timeout elapses.
void adb_wait_for_device_initialization();
#endif