1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef __ADB_H 18#define __ADB_H 19 20#include <limits.h> 21 22#define MAX_PAYLOAD 4096 23 24#define A_SYNC 0x434e5953 25#define A_CNXN 0x4e584e43 26#define A_OPEN 0x4e45504f 27#define A_OKAY 0x59414b4f 28#define A_CLSE 0x45534c43 29#define A_WRTE 0x45545257 30 31#define A_VERSION 0x01000000 // ADB protocol version 32 33#define ADB_VERSION_MAJOR 1 // Used for help/version information 34#define ADB_VERSION_MINOR 0 // Used for help/version information 35 36#define ADB_SERVER_VERSION 26 // Increment this when we want to force users to start a new adb server 37 38typedef struct amessage amessage; 39typedef struct apacket apacket; 40typedef struct asocket asocket; 41typedef struct alistener alistener; 42typedef struct aservice aservice; 43typedef struct atransport atransport; 44typedef struct adisconnect adisconnect; 45typedef struct usb_handle usb_handle; 46 47struct amessage { 48 unsigned command; /* command identifier constant */ 49 unsigned arg0; /* first argument */ 50 unsigned arg1; /* second argument */ 51 unsigned data_length; /* length of payload (0 is allowed) */ 52 unsigned data_check; /* checksum of data payload */ 53 unsigned magic; /* command ^ 0xffffffff */ 54}; 55 56struct apacket 57{ 58 apacket *next; 59 60 unsigned len; 61 unsigned char *ptr; 62 63 amessage msg; 64 unsigned char data[MAX_PAYLOAD]; 65}; 66 67/* An asocket represents one half of a connection between a local and 68** remote entity. A local asocket is bound to a file descriptor. A 69** remote asocket is bound to the protocol engine. 70*/ 71struct asocket { 72 /* chain pointers for the local/remote list of 73 ** asockets that this asocket lives in 74 */ 75 asocket *next; 76 asocket *prev; 77 78 /* the unique identifier for this asocket 79 */ 80 unsigned id; 81 82 /* flag: set when the socket's peer has closed 83 ** but packets are still queued for delivery 84 */ 85 int closing; 86 87 /* the asocket we are connected to 88 */ 89 90 asocket *peer; 91 92 /* For local asockets, the fde is used to bind 93 ** us to our fd event system. For remote asockets 94 ** these fields are not used. 95 */ 96 fdevent fde; 97 int fd; 98 99 /* queue of apackets waiting to be written 100 */ 101 apacket *pkt_first; 102 apacket *pkt_last; 103 104 /* enqueue is called by our peer when it has data 105 ** for us. It should return 0 if we can accept more 106 ** data or 1 if not. If we return 1, we must call 107 ** peer->ready() when we once again are ready to 108 ** receive data. 109 */ 110 int (*enqueue)(asocket *s, apacket *pkt); 111 112 /* ready is called by the peer when it is ready for 113 ** us to send data via enqueue again 114 */ 115 void (*ready)(asocket *s); 116 117 /* close is called by the peer when it has gone away. 118 ** we are not allowed to make any further calls on the 119 ** peer once our close method is called. 120 */ 121 void (*close)(asocket *s); 122 123 /* socket-type-specific extradata */ 124 void *extra; 125 126 /* A socket is bound to atransport */ 127 atransport *transport; 128}; 129 130 131/* the adisconnect structure is used to record a callback that 132** will be called whenever a transport is disconnected (e.g. by the user) 133** this should be used to cleanup objects that depend on the 134** transport (e.g. remote sockets, listeners, etc...) 135*/ 136struct adisconnect 137{ 138 void (*func)(void* opaque, atransport* t); 139 void* opaque; 140 adisconnect* next; 141 adisconnect* prev; 142}; 143 144 145/* a transport object models the connection to a remote device or emulator 146** there is one transport per connected device/emulator. a "local transport" 147** connects through TCP (for the emulator), while a "usb transport" through 148** USB (for real devices) 149** 150** note that kTransportHost doesn't really correspond to a real transport 151** object, it's a special value used to indicate that a client wants to 152** connect to a service implemented within the ADB server itself. 153*/ 154typedef enum transport_type { 155 kTransportUsb, 156 kTransportLocal, 157 kTransportAny, 158 kTransportHost, 159} transport_type; 160 161struct atransport 162{ 163 atransport *next; 164 atransport *prev; 165 166 int (*read_from_remote)(apacket *p, atransport *t); 167 int (*write_to_remote)(apacket *p, atransport *t); 168 void (*close)(atransport *t); 169 void (*kick)(atransport *t); 170 171 int fd; 172 int transport_socket; 173 fdevent transport_fde; 174 int ref_count; 175 unsigned sync_token; 176 int connection_state; 177 transport_type type; 178 179 /* usb handle or socket fd as needed */ 180 usb_handle *usb; 181 int sfd; 182 183 /* used to identify transports for clients */ 184 char *serial; 185 char *product; 186 int adb_port; // Use for emulators (local transport) 187 188 /* a list of adisconnect callbacks called when the transport is kicked */ 189 int kicked; 190 adisconnect disconnects; 191}; 192 193 194/* A listener is an entity which binds to a local port 195** and, upon receiving a connection on that port, creates 196** an asocket to connect the new local connection to a 197** specific remote service. 198** 199** TODO: some listeners read from the new connection to 200** determine what exact service to connect to on the far 201** side. 202*/ 203struct alistener 204{ 205 alistener *next; 206 alistener *prev; 207 208 fdevent fde; 209 int fd; 210 211 const char *local_name; 212 const char *connect_to; 213 atransport *transport; 214 adisconnect disconnect; 215}; 216 217 218void print_packet(const char *label, apacket *p); 219 220asocket *find_local_socket(unsigned id); 221void install_local_socket(asocket *s); 222void remove_socket(asocket *s); 223void close_all_sockets(atransport *t); 224 225#define LOCAL_CLIENT_PREFIX "emulator-" 226 227asocket *create_local_socket(int fd); 228asocket *create_local_service_socket(const char *destination); 229 230asocket *create_remote_socket(unsigned id, atransport *t); 231void connect_to_remote(asocket *s, const char *destination); 232void connect_to_smartsocket(asocket *s); 233 234void fatal(const char *fmt, ...); 235void fatal_errno(const char *fmt, ...); 236 237void handle_packet(apacket *p, atransport *t); 238void send_packet(apacket *p, atransport *t); 239 240void get_my_path(char *s, size_t maxLen); 241int launch_server(int server_port); 242int adb_main(int is_daemon, int server_port); 243 244 245/* transports are ref-counted 246** get_device_transport does an acquire on your behalf before returning 247*/ 248void init_transport_registration(void); 249int list_transports(char *buf, size_t bufsize); 250void update_transports(void); 251 252asocket* create_device_tracker(void); 253 254/* Obtain a transport from the available transports. 255** If state is != CS_ANY, only transports in that state are considered. 256** If serial is non-NULL then only the device with that serial will be chosen. 257** If no suitable transport is found, error is set. 258*/ 259atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out); 260void add_transport_disconnect( atransport* t, adisconnect* dis ); 261void remove_transport_disconnect( atransport* t, adisconnect* dis ); 262void run_transport_disconnects( atransport* t ); 263void kick_transport( atransport* t ); 264 265/* initialize a transport object's func pointers and state */ 266#if ADB_HOST 267int get_available_local_transport_index(); 268#endif 269int init_socket_transport(atransport *t, int s, int port, int local); 270void init_usb_transport(atransport *t, usb_handle *usb, int state); 271 272/* for MacOS X cleanup */ 273void close_usb_devices(); 274 275/* cause new transports to be init'd and added to the list */ 276void register_socket_transport(int s, const char *serial, int port, int local); 277 278/* these should only be used for the "adb disconnect" command */ 279void unregister_transport(atransport *t); 280void unregister_all_tcp_transports(); 281 282void register_usb_transport(usb_handle *h, const char *serial, unsigned writeable); 283 284/* this should only be used for transports with connection_state == CS_NOPERM */ 285void unregister_usb_transport(usb_handle *usb); 286 287atransport *find_transport(const char *serial); 288#if ADB_HOST 289atransport* find_emulator_transport_by_adb_port(int adb_port); 290#endif 291 292int service_to_fd(const char *name); 293#if ADB_HOST 294asocket *host_service_to_socket(const char* name, const char *serial); 295#endif 296 297#if !ADB_HOST 298int init_jdwp(void); 299asocket* create_jdwp_service_socket(); 300asocket* create_jdwp_tracker_service_socket(); 301int create_jdwp_connection_fd(int jdwp_pid); 302#endif 303 304#if !ADB_HOST 305void framebuffer_service(int fd, void *cookie); 306void log_service(int fd, void *cookie); 307void remount_service(int fd, void *cookie); 308char * get_log_file_path(const char * log_name); 309#endif 310 311/* packet allocator */ 312apacket *get_apacket(void); 313void put_apacket(apacket *p); 314 315int check_header(apacket *p); 316int check_data(apacket *p); 317 318/* convenience wrappers around read/write that will retry on 319** EINTR and/or short read/write. Returns 0 on success, -1 320** on error or EOF. 321*/ 322int readx(int fd, void *ptr, size_t len); 323int writex(int fd, const void *ptr, size_t len); 324 325/* define ADB_TRACE to 1 to enable tracing support, or 0 to disable it */ 326 327#define ADB_TRACE 1 328 329/* IMPORTANT: if you change the following list, don't 330 * forget to update the corresponding 'tags' table in 331 * the adb_trace_init() function implemented in adb.c 332 */ 333typedef enum { 334 TRACE_ADB = 0, 335 TRACE_SOCKETS, 336 TRACE_PACKETS, 337 TRACE_TRANSPORT, 338 TRACE_RWX, 339 TRACE_USB, 340 TRACE_SYNC, 341 TRACE_SYSDEPS, 342 TRACE_JDWP, 343} AdbTrace; 344 345#if ADB_TRACE 346 347 int adb_trace_mask; 348 349 void adb_trace_init(void); 350 351# define ADB_TRACING ((adb_trace_mask & (1 << TRACE_TAG)) != 0) 352 353 /* you must define TRACE_TAG before using this macro */ 354 #define D(...) \ 355 do { \ 356 if (ADB_TRACING) \ 357 fprintf(stderr, __VA_ARGS__ ); \ 358 } while (0) 359#else 360# define D(...) ((void)0) 361# define ADB_TRACING 0 362#endif 363 364 365#if !TRACE_PACKETS 366#define print_packet(tag,p) do {} while (0) 367#endif 368 369#define DEFAULT_ADB_PORT 5037 370#define DEFAULT_ADB_LOCAL_TRANSPORT_PORT 5555 371 372#define ADB_CLASS 0xff 373#define ADB_SUBCLASS 0x42 374#define ADB_PROTOCOL 0x1 375 376 377void local_init(int port); 378int local_connect(int port); 379int local_connect_arbitrary_ports(int console_port, int adb_port); 380 381/* usb host/client interface */ 382void usb_init(); 383void usb_cleanup(); 384int usb_write(usb_handle *h, const void *data, int len); 385int usb_read(usb_handle *h, void *data, int len); 386int usb_close(usb_handle *h); 387void usb_kick(usb_handle *h); 388 389/* used for USB device detection */ 390#if ADB_HOST 391int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol); 392#endif 393 394unsigned host_to_le32(unsigned n); 395int adb_commandline(int argc, char **argv); 396 397int connection_state(atransport *t); 398 399#define CS_ANY -1 400#define CS_OFFLINE 0 401#define CS_BOOTLOADER 1 402#define CS_DEVICE 2 403#define CS_HOST 3 404#define CS_RECOVERY 4 405#define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */ 406 407extern int HOST; 408 409#define CHUNK_SIZE (64*1024) 410 411int sendfailmsg(int fd, const char *reason); 412int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s); 413 414#endif 415