static void
jdwp_process_free( JdwpProcess* proc )
{
if (proc) {
int n;
proc->prev->next = proc->next;
proc->next->prev = proc->prev;
if (proc->socket >= 0) {
adb_shutdown(proc->socket);
adb_close(proc->socket);
proc->socket = -1;
}
if (proc->fde != NULL) {
fdevent_destroy(proc->fde);
proc->fde = NULL;
}
proc->pid = -1;
for (n = 0; n < proc->out_count; n++) {
adb_close(proc->out_fds[n]);
}
proc->out_count = 0;
free(proc);
jdwp_process_list_updated();
}
}
~JdwpProcess() {
if (this->socket >= 0) {
adb_shutdown(this->socket);
this->socket = -1;
}
if (this->fde) {
fdevent_destroy(this->fde);
this->fde = nullptr;
}
out_fds.clear();
}
static void remote_kick(atransport *t)
{
int fd = t->sfd;
t->sfd = -1;
adb_shutdown(fd);
adb_close(fd);
#if ADB_HOST
int nn;
std::lock_guard<std::mutex> lock(local_transports_lock);
for (nn = 0; nn < ADB_LOCAL_TRANSPORT_MAX; nn++) {
if (local_transports[nn] == t) {
local_transports[nn] = NULL;
break;
}
}
#endif
}
bool ReadOrderlyShutdown(int fd) {
char buf[16];
// Only call this function if you're sure that the peer does
// orderly/graceful shutdown of the socket, closing the socket so that
// adb_read() will return 0. If the peer keeps the socket open, adb_read()
// will never return.
int result = adb_read(fd, buf, sizeof(buf));
if (result == -1) {
// If errno is EAGAIN, that means this function was called on a
// nonblocking socket and it would have blocked (which would be bad
// because we'd probably block the main thread where nonblocking IO is
// done). Don't do that. If you have a nonblocking socket, use the
// fdevent APIs to get called on FDE_READ, and then call this function
// if you really need to, but it shouldn't be needed for server sockets.
CHECK_NE(errno, EAGAIN);
// Note that on Windows, orderly shutdown sometimes causes
// recv() == SOCKET_ERROR && WSAGetLastError() == WSAECONNRESET. That
// can be ignored.
return false;
} else if (result == 0) {
// Peer has performed an orderly/graceful shutdown.
return true;
} else {
// Unexpectedly received data. This is essentially a protocol error
// because you should not call this function unless you expect no more
// data. We don't repeatedly call adb_read() until we get zero because
// we don't know how long that would take, but we do know that the
// caller wants to close the socket soon.
VLOG(RWX) << "ReadOrderlyShutdown(" << fd << ") unexpectedly read "
<< dump_hex(buf, result);
// Shutdown the socket to prevent the caller from reading or writing to
// it which doesn't make sense if we just read and discarded some data.
adb_shutdown(fd);
errno = EINVAL;
return false;
}
}
int handle_host_request(const char* service, TransportType type,
const char* serial, int reply_fd, asocket* s) {
if (strcmp(service, "kill") == 0) {
fprintf(stderr, "adb server killed by remote request\n");
fflush(stdout);
SendOkay(reply_fd);
// On Windows, if the process exits with open sockets that
// shutdown(SD_SEND) has not been called on, TCP RST segments will be
// sent to the peers which will cause their next recv() to error-out
// with WSAECONNRESET. In the case of this code, that means the client
// may not read the OKAY sent above.
adb_shutdown(reply_fd);
exit(0);
}
#if ADB_HOST
// "transport:" is used for switching transport with a specified serial number
// "transport-usb:" is used for switching transport to the only USB transport
// "transport-local:" is used for switching transport to the only local transport
// "transport-any:" is used for switching transport to the only transport
if (!strncmp(service, "transport", strlen("transport"))) {
TransportType type = kTransportAny;
if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
type = kTransportUsb;
} else if (!strncmp(service, "transport-local", strlen("transport-local"))) {
type = kTransportLocal;
} else if (!strncmp(service, "transport-any", strlen("transport-any"))) {
type = kTransportAny;
} else if (!strncmp(service, "transport:", strlen("transport:"))) {
service += strlen("transport:");
serial = service;
}
std::string error;
atransport* t = acquire_one_transport(type, serial, nullptr, &error);
if (t != nullptr) {
s->transport = t;
SendOkay(reply_fd);
} else {
SendFail(reply_fd, error);
}
return 1;
}
// return a list of all connected devices
if (!strncmp(service, "devices", 7)) {
bool long_listing = (strcmp(service+7, "-l") == 0);
if (long_listing || service[7] == 0) {
D("Getting device list...");
std::string device_list = list_transports(long_listing);
D("Sending device list...");
return SendOkay(reply_fd, device_list);
}
return 1;
}
if (!strcmp(service, "features")) {
std::string error;
atransport* t = acquire_one_transport(type, serial, nullptr, &error);
if (t != nullptr) {
SendOkay(reply_fd, FeatureSetToString(t->features()));
} else {
SendFail(reply_fd, error);
}
return 0;
}
// remove TCP transport
if (!strncmp(service, "disconnect:", 11)) {
const std::string address(service + 11);
if (address.empty()) {
kick_all_tcp_devices();
return SendOkay(reply_fd, "disconnected everything");
}
std::string serial;
std::string host;
int port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
std::string error;
if (!android::base::ParseNetAddress(address, &host, &port, &serial, &error)) {
return SendFail(reply_fd, android::base::StringPrintf("couldn't parse '%s': %s",
address.c_str(), error.c_str()));
}
atransport* t = find_transport(serial.c_str());
if (t == nullptr) {
return SendFail(reply_fd, android::base::StringPrintf("no such device '%s'",
serial.c_str()));
}
kick_transport(t);
return SendOkay(reply_fd, android::base::StringPrintf("disconnected %s", address.c_str()));
}
// Returns our value for ADB_SERVER_VERSION.
if (!strcmp(service, "version")) {
return SendOkay(reply_fd, android::base::StringPrintf("%04x", ADB_SERVER_VERSION));
}
// These always report "unknown" rather than the actual error, for scripts.
if (!strcmp(service, "get-serialno")) {
std::string error;
atransport* t = acquire_one_transport(type, serial, nullptr, &error);
if (t) {
return SendOkay(reply_fd, t->serial ? t->serial : "unknown");
} else {
return SendFail(reply_fd, error);
}
}
if (!strcmp(service, "get-devpath")) {
std::string error;
atransport* t = acquire_one_transport(type, serial, nullptr, &error);
if (t) {
return SendOkay(reply_fd, t->devpath ? t->devpath : "unknown");
} else {
return SendFail(reply_fd, error);
}
}
if (!strcmp(service, "get-state")) {
std::string error;
atransport* t = acquire_one_transport(type, serial, nullptr, &error);
if (t) {
return SendOkay(reply_fd, t->connection_state_name());
} else {
return SendFail(reply_fd, error);
}
}
// Indicates a new emulator instance has started.
if (!strncmp(service, "emulator:", 9)) {
int port = atoi(service+9);
local_connect(port);
/* we don't even need to send a reply */
return 0;
}
if (!strcmp(service, "reconnect")) {
if (s->transport != nullptr) {
kick_transport(s->transport);
}
return SendOkay(reply_fd, "done");
}
#endif // ADB_HOST
int ret = handle_forward_request(service, type, serial, reply_fd);
if (ret >= 0)
return ret - 1;
return -1;
}
int handle_host_request(const char* service, TransportType type,
const char* serial, int reply_fd, asocket* s) {
if (strcmp(service, "kill") == 0) {
fprintf(stderr, "adb server killed by remote request\n");
fflush(stdout);
SendOkay(reply_fd);
// At least on Windows, if we exit() without shutdown(SD_SEND) or
// closesocket(), the client's next recv() will error-out with
// WSAECONNRESET and they'll never read the OKAY.
adb_shutdown(reply_fd);
exit(0);
}
#if ADB_HOST
// "transport:" is used for switching transport with a specified serial number
// "transport-usb:" is used for switching transport to the only USB transport
// "transport-local:" is used for switching transport to the only local transport
// "transport-any:" is used for switching transport to the only transport
if (!strncmp(service, "transport", strlen("transport"))) {
TransportType type = kTransportAny;
if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
type = kTransportUsb;
} else if (!strncmp(service, "transport-local", strlen("transport-local"))) {
type = kTransportLocal;
} else if (!strncmp(service, "transport-any", strlen("transport-any"))) {
type = kTransportAny;
} else if (!strncmp(service, "transport:", strlen("transport:"))) {
service += strlen("transport:");
serial = service;
}
std::string error_msg;
atransport* t = acquire_one_transport(kCsAny, type, serial, &error_msg);
if (t != nullptr) {
s->transport = t;
SendOkay(reply_fd);
} else {
SendFail(reply_fd, error_msg);
}
return 1;
}
// return a list of all connected devices
if (!strncmp(service, "devices", 7)) {
bool long_listing = (strcmp(service+7, "-l") == 0);
if (long_listing || service[7] == 0) {
D("Getting device list...");
std::string device_list = list_transports(long_listing);
D("Sending device list...");
return SendOkay(reply_fd, device_list);
}
return 1;
}
if (!strcmp(service, "features")) {
std::string error_msg;
atransport* t = acquire_one_transport(kCsAny, type, serial, &error_msg);
if (t != nullptr) {
SendOkay(reply_fd, android::base::Join(t->features(), '\n'));
} else {
SendFail(reply_fd, error_msg);
}
return 0;
}
if (!strncmp(service, "check-feature:", strlen("check-feature:"))) {
std::string error_msg;
atransport* t = acquire_one_transport(kCsAny, type, serial, &error_msg);
if (t && t->CanUseFeature(service + strlen("check-feature:"))) {
// We could potentially extend this to reply with the feature
// version if that becomes necessary.
SendOkay(reply_fd, "1");
} else {
// Empty response means unsupported feature.
SendOkay(reply_fd, "");
}
return 0;
}
// remove TCP transport
if (!strncmp(service, "disconnect:", 11)) {
const std::string address(service + 11);
if (address.empty()) {
kick_all_tcp_devices();
return SendOkay(reply_fd, "disconnected everything");
}
std::string serial;
std::string host;
int port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
std::string error;
if (!parse_host_and_port(address, &serial, &host, &port, &error)) {
return SendFail(reply_fd, android::base::StringPrintf("couldn't parse '%s': %s",
address.c_str(), error.c_str()));
}
atransport* t = find_transport(serial.c_str());
if (t == nullptr) {
return SendFail(reply_fd, android::base::StringPrintf("no such device '%s'",
serial.c_str()));
}
kick_transport(t);
return SendOkay(reply_fd, android::base::StringPrintf("disconnected %s", address.c_str()));
}
// returns our value for ADB_SERVER_VERSION
if (!strcmp(service, "version")) {
return SendOkay(reply_fd, android::base::StringPrintf("%04x", ADB_SERVER_VERSION));
}
// These always report "unknown" rather than the actual error, for scripts.
if (!strcmp(service, "get-serialno")) {
std::string ignored;
atransport* t = acquire_one_transport(kCsAny, type, serial, &ignored);
return SendOkay(reply_fd, (t && t->serial) ? t->serial : "unknown");
}
if (!strcmp(service, "get-devpath")) {
std::string ignored;
atransport* t = acquire_one_transport(kCsAny, type, serial, &ignored);
return SendOkay(reply_fd, (t && t->devpath) ? t->devpath : "unknown");
}
if (!strcmp(service, "get-state")) {
std::string ignored;
atransport* t = acquire_one_transport(kCsAny, type, serial, &ignored);
return SendOkay(reply_fd, t ? t->connection_state_name() : "unknown");
}
// indicates a new emulator instance has started
if (!strncmp(service, "emulator:", 9)) {
int port = atoi(service+9);
local_connect(port);
/* we don't even need to send a reply */
return 0;
}
#endif // ADB_HOST
int ret = handle_forward_request(service, type, serial, reply_fd);
if (ret >= 0)
return ret - 1;
return -1;
}