static void *output_thread(void *_t)
{
atransport *t = reinterpret_cast<atransport*>(_t);
apacket *p;
ADB_LOGD(ADB_TSPT,
"%s: starting transport output thread on fd %d, SYNC online (%d)",
t->serial, t->fd, t->sync_token + 1);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 1;
p->msg.arg1 = ++(t->sync_token);
p->msg.magic = A_SYNC ^ 0xffffffff;
if (write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
ADB_LOGE(ADB_TSPT, "%s: failed to write SYNC packet", t->serial);
goto oops;
}
ADB_LOGD(ADB_TSPT, "%s: data pump started", t->serial);
for (;;) {
p = get_apacket();
if (t->read_from_remote(p, t) == 0) {
ADB_LOGD(ADB_TSPT,
"%s: received remote packet, sending to transport",
t->serial);
if (write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
ADB_LOGE(ADB_TSPT,
"%s: failed to write apacket to transport", t->serial);
goto oops;
}
} else {
ADB_LOGE(ADB_TSPT,
"%s: remote read failed for transport", t->serial);
put_apacket(p);
break;
}
}
ADB_LOGD(ADB_TSPT, "%s: SYNC offline for transport", t->serial);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 0;
p->msg.arg1 = 0;
p->msg.magic = A_SYNC ^ 0xffffffff;
if (write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
ADB_LOGW(ADB_TSPT,
"%s: failed to write SYNC apacket to transport", t->serial);
}
oops:
ADB_LOGD(ADB_TSPT, "%s: transport output thread is exiting", t->serial);
kick_transport(t);
transport_unref(t);
return 0;
}
// The transport is opened by transport_register_func before
// the read_transport and write_transport threads are started.
//
// The read_transport thread issues a SYNC(1, token) message to let
// the write_transport thread know to start things up. In the event
// of transport IO failure, the read_transport thread will post a
// SYNC(0,0) message to ensure shutdown.
//
// The transport will not actually be closed until both threads exit, but the threads
// will kick the transport on their way out to disconnect the underlying device.
//
// read_transport thread reads data from a transport (representing a usb/tcp connection),
// and makes the main thread call handle_packet().
static void *read_transport_thread(void *_t)
{
atransport *t = reinterpret_cast<atransport*>(_t);
apacket *p;
adb_thread_setname(android::base::StringPrintf("<-%s",
(t->serial != nullptr ? t->serial : "transport")));
D("%s: starting read_transport thread on fd %d, SYNC online (%d)",
t->serial, t->fd, t->sync_token + 1);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 1;
p->msg.arg1 = ++(t->sync_token);
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
D("%s: failed to write SYNC packet", t->serial);
goto oops;
}
D("%s: data pump started", t->serial);
for(;;) {
p = get_apacket();
if(t->read_from_remote(p, t) == 0){
D("%s: received remote packet, sending to transport",
t->serial);
if(write_packet(t->fd, t->serial, &p)){
put_apacket(p);
D("%s: failed to write apacket to transport", t->serial);
goto oops;
}
} else {
D("%s: remote read failed for transport", t->serial);
put_apacket(p);
break;
}
}
D("%s: SYNC offline for transport", t->serial);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 0;
p->msg.arg1 = 0;
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
D("%s: failed to write SYNC apacket to transport", t->serial);
}
oops:
D("%s: read_transport thread is exiting", t->serial);
kick_transport(t);
transport_unref(t);
return 0;
}
static void *output_thread(void *_t)
{
atransport *t = _t;
apacket *p;
D("from_remote: starting thread for transport %p, on fd %d\n", t, t->fd );
D("from_remote: transport %p SYNC online (%d)\n", t, t->sync_token + 1);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 1;
p->msg.arg1 = ++(t->sync_token);
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, &p)) {
put_apacket(p);
D("from_remote: failed to write SYNC apacket to transport %p", t);
goto oops;
}
D("from_remote: data pump for transport %p\n", t);
for(;;) {
p = get_apacket();
if(t->read_from_remote(p, t) == 0){
D("from_remote: received remote packet, sending to transport %p\n",
t);
if(write_packet(t->fd, &p)){
put_apacket(p);
D("from_remote: failed to write apacket to transport %p", t);
goto oops;
}
} else {
D("from_remote: remote read failed for transport %p\n", p);
put_apacket(p);
break;
}
}
D("from_remote: SYNC offline for transport %p\n", t);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 0;
p->msg.arg1 = 0;
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, &p)) {
put_apacket(p);
D("from_remote: failed to write SYNC apacket to transport %p", t);
}
oops:
D("from_remote: thread is exiting for transport %p\n", t);
kick_transport(t);
transport_unref(t);
return 0;
}
/* The transport is opened by transport_register_func before
** the input and output threads are started.
**
** The output thread issues a SYNC(1, token) message to let
** the input thread know to start things up. In the event
** of transport IO failure, the output thread will post a
** SYNC(0,0) message to ensure shutdown.
**
** The transport will not actually be closed until both
** threads exit, but the input thread will kick the transport
** on its way out to disconnect the underlying device.
*/
void *output_thread(void *_t, struct dll_io_bridge * _io_bridge)
{
o_bridge = _io_bridge;
atransport *t = (atransport *)_t;
apacket *p;
D("%s: starting transport output thread on fd %d, SYNC online (%d)\n",
t->serial, t->fd, t->sync_token + 1);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 1;
p->msg.arg1 = ++(t->sync_token);
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
D("%s: failed to write SYNC packet\n", t->serial);
goto oops;
}
D("%s: data pump started\n", t->serial);
for(;;) {
p = get_apacket();
if(t->read_from_remote(p, t) == 0){
D("%s: received remote packet, sending to transport\n",
t->serial);
if(write_packet(t->fd, t->serial, &p)){
put_apacket(p);
D("%s: failed to write apacket to transport\n", t->serial);
goto oops;
}
} else {
D("%s: remote read failed for transport\n", t->serial);
put_apacket(p);
break;
}
}
handle_output_offline(t);
oops:
#ifdef WIN32
handle_output_oops(t, o_bridge->AdbCloseHandle);
#else
handle_output_oops(t, NULL);
#endif
return NULL;
}
static void remote_socket_ready(asocket* s) {
D("entered remote_socket_ready RS(%d) OKAY fd=%d peer.fd=%d", s->id, s->fd, s->peer->fd);
apacket* p = get_apacket();
p->msg.command = A_OKAY;
p->msg.arg0 = s->peer->id;
p->msg.arg1 = s->id;
send_packet(p, s->transport);
}
static int device_tracker_send(device_tracker* tracker, const std::string& string) {
apacket* p = get_apacket();
asocket* peer = tracker->socket.peer;
snprintf(reinterpret_cast<char*>(p->data), 5, "%04x", static_cast<int>(string.size()));
memcpy(&p->data[4], string.data(), string.size());
p->len = 4 + string.size();
return peer->enqueue(peer, p);
}
static void send_ready(unsigned local, unsigned remote, atransport *t)
{
D("Calling send_ready");
apacket *p = get_apacket();
p->msg.command = A_OKAY;
p->msg.arg0 = local;
p->msg.arg1 = remote;
send_packet(p, t);
}
static void send_close(unsigned local, unsigned remote, atransport *t)
{
D("Calling send_close \n");
apacket *p = get_apacket();
p->msg.command = A_CLSE;
p->msg.arg0 = local;
p->msg.arg1 = remote;
send_packet(p, t);
}
void send_close(atransport *t)
{
apacket *p = get_apacket();
p->msg.command = A_CLSE;
p->msg.arg0 = id;
p->msg.arg1 = remote_id;
p->msg.data_length = 0;
send_packet(p, t);
}
void send_ready(atransport *t)
{
apacket *p = get_apacket();
p->msg.command = A_OKAY;
p->msg.arg0 = id;
p->msg.arg1 = remote_id;
p->msg.data_length = 0;
send_packet(p, t);
}
void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
cp->msg.data_length = fill_connect_data((char *)cp->data,
sizeof(cp->data));
send_packet(cp, t);
}
static void remote_socket_shutdown(asocket* s) {
D("entered remote_socket_shutdown RS(%d) CLOSE fd=%d peer->fd=%d", s->id, s->fd,
s->peer ? s->peer->fd : -1);
apacket* p = get_apacket();
p->msg.command = A_CLSE;
if (s->peer) {
p->msg.arg0 = s->peer->id;
}
p->msg.arg1 = s->id;
send_packet(p, s->transport);
}
void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = t->get_protocol_version();
cp->msg.arg1 = t->get_max_payload();
cp->msg.data_length = fill_connect_data((char *)cp->data,
MAX_PAYLOAD_V1);
send_packet(cp, t);
}
static void
jdwp_tracker_ready( asocket* s )
{
JdwpTracker* t = (JdwpTracker*) s;
if (t->need_update) {
apacket* p = get_apacket();
t->need_update = 0;
p->len = jdwp_process_list_msg((char*)p->data, sizeof(p->data));
s->peer->enqueue(s->peer, p);
}
}
static int
device_tracker_send( device_tracker* tracker,
const char* buffer,
int len )
{
apacket* p = get_apacket();
asocket* peer = tracker->socket.peer;
memcpy(p->data, buffer, len);
p->len = len;
return peer->enqueue( peer, p );
}
static void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
snprintf((char*) cp->data, sizeof cp->data, "%s::",
HOST ? "host" : adb_device_banner);
cp->msg.data_length = strlen((char*) cp->data) + 1;
send_packet(cp, t);
}
void send_open(atransport *t, const char* msg)
{
apacket *p = get_apacket();
p->msg.command = A_OPEN;
p->msg.arg0 = ++seed;
p->msg.arg1 = 0;
snprintf((char*)p->data, sizeof p->data, "%s", msg);
p->msg.data_length = strlen((char*)p->data);
send_packet(p, t);
id = -1;
remote_id = -1;
}
// adb.c
void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
snprintf((char*) cp->data, sizeof cp->data, "host::zadb");
cp->msg.data_length = strlen((char*) cp->data) + 1;
send_packet(cp, t);
/* XXX why sleep here? */
// allow the device some time to respond to the connect message
adb_sleep_ms(1000);
}
static void handle_output_offline(atransport * t) {
apacket *p;
D("%s: SYNC offline for transport\n", t->serial);
p = get_apacket();
p->msg.command = A_SYNC;
p->msg.arg0 = 0;
p->msg.arg1 = 0;
p->msg.magic = A_SYNC ^ 0xffffffff;
if(write_packet(t->fd, t->serial, &p)) {
put_apacket(p);
D("%s: failed to write SYNC apacket to transport", t->serial);
}
}
void send_write(atransport *t, const char* msg)
{
if (remote_id==-1)
{
return;
}
apacket *p = get_apacket();
p->msg.command = A_WRTE;
p->msg.arg0 = 0;
p->msg.arg1 = remote_id;
snprintf((char*)p->data, sizeof p->data, "%s", msg);
p->msg.data_length = strlen((char*)p->data);
send_packet(p, t);
}
void send_auth_request(atransport* t) {
LOG(INFO) << "Calling send_auth_request...";
if (!adbd_auth_generate_token(t->token, sizeof(t->token))) {
PLOG(ERROR) << "Error generating token";
return;
}
apacket* p = get_apacket();
p->msg.command = A_AUTH;
p->msg.arg0 = ADB_AUTH_TOKEN;
p->msg.data_length = sizeof(t->token);
p->payload.assign(t->token, t->token + sizeof(t->token));
send_packet(p, t);
}
void connect_to_remote(asocket* s, const char* destination) {
D("Connect_to_remote call RS(%d) fd=%d", s->id, s->fd);
apacket* p = get_apacket();
size_t len = strlen(destination) + 1;
if (len > (s->get_max_payload() - 1)) {
fatal("destination oversized");
}
D("LS(%d): connect('%s')", s->id, destination);
p->msg.command = A_OPEN;
p->msg.arg0 = s->id;
p->msg.data_length = len;
strcpy((char*)p->data, destination);
send_packet(p, s->transport);
}
static void
jdwp_process_list_updated(void)
{
char buffer[1024];
int len;
JdwpTracker* t = _jdwp_trackers_list.next;
len = jdwp_process_list_msg(buffer, sizeof(buffer));
for ( ; t != &_jdwp_trackers_list; t = t->next ) {
apacket* p = get_apacket();
asocket* peer = t->socket.peer;
memcpy(p->data, buffer, len);
p->len = len;
peer->enqueue( peer, p );
}
}
static void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
_snprintf((char*) cp->data, sizeof cp->data, "%s::",
HOST ? "host" : adb_device_banner);
cp->msg.data_length = strlen((char*) cp->data) + 1;
send_packet(cp, t);
#if ADB_HOST
/* XXX why sleep here? */
// allow the device some time to respond to the connect message
adb_sleep_ms(1000);
#endif
}
static void send_connect(atransport *t)
{
D("Calling send_connect \n");
XLOGD("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
cp->msg.data_length = fill_connect_data((char *)cp->data,
sizeof(cp->data));
send_packet(cp, t);
#if ADB_HOST
/* XXX why sleep here? */
// allow the device some time to respond to the connect message
adb_sleep_ms(1000);
#endif
}
static void send_auth_response(uint8_t *token, size_t token_size, atransport *t)
{
D("Calling send_auth_response\n");
apacket *p = get_apacket();
int ret;
ret = adb_auth_sign(t->key, token, token_size, p->data);
if (!ret) {
D("Error signing the token\n");
put_apacket(p);
return;
}
p->msg.command = A_AUTH;
p->msg.arg0 = ADB_AUTH_SIGNATURE;
p->msg.data_length = ret;
send_packet(p, t);
}
static void send_auth_publickey(atransport *t)
{
D("Calling send_auth_publickey\n");
apacket *p = get_apacket();
int ret;
ret = adb_auth_get_userkey(p->data, sizeof(p->data));
if (!ret) {
D("Failed to get user public key\n");
put_apacket(p);
return;
}
p->msg.command = A_AUTH;
p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY;
p->msg.data_length = ret;
send_packet(p, t);
}
static void remote_socket_close(asocket *s)
{
D("entered remote_socket_close RS(%d) CLOSE fd=%d peer->fd=%d\n",
s->id, s->fd, s->peer?s->peer->fd:-1);
apacket *p = get_apacket();
p->msg.command = A_CLSE;
if(s->peer) {
p->msg.arg0 = s->peer->id;
s->peer->peer = 0;
D("RS(%d) peer->close()ing peer->id=%d peer->fd=%d\n",
s->id, s->peer->id, s->peer->fd);
s->peer->close(s->peer);
}
p->msg.arg1 = s->id;
send_packet(p, s->transport);
D("RS(%d): closed\n", s->id);
remove_transport_disconnect( s->transport, &((aremotesocket*)s)->disconnect );
free(s);
}
static void
jdwp_socket_ready( asocket* s )
{
JdwpSocket* jdwp = (JdwpSocket*)s;
asocket* peer = jdwp->socket.peer;
/* on the first call, send the list of pids,
* on the second one, close the connection
*/
if (jdwp->pass == 0) {
apacket* p = get_apacket();
p->len = jdwp_process_list((char*)p->data, MAX_PAYLOAD);
peer->enqueue(peer, p);
jdwp->pass = 1;
}
else {
peer->close(peer);
}
}
void send_auth_request(atransport *t)
{
D("Calling send_auth_request\n");
apacket *p;
int ret;
ret = adb_auth_generate_token(t->token, sizeof(t->token));
if (ret != sizeof(t->token)) {
D("Error generating token ret=%d\n", ret);
return;
}
p = get_apacket();
memcpy(p->data, t->token, ret);
p->msg.command = A_AUTH;
p->msg.arg0 = ADB_AUTH_TOKEN;
p->msg.data_length = ret;
send_packet(p, t);
}