Merge changes I86c3ec0f,I57d1a30a,Ib50d289b,I791a4f82,I316a8799, ... am: 216d158daf am: ff7b56f917
am: d575bc93a5
Change-Id: I610dd6851e7725c45fd64875eef758175fb19b0b
diff --git a/adb/adb.cpp b/adb/adb.cpp
index a5b2f7b..3c07882 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -1018,9 +1018,10 @@
return 0;
}
-bool handle_host_request(const char* service, TransportType type, const char* serial,
- TransportId transport_id, int reply_fd, asocket* s) {
- if (strcmp(service, "kill") == 0) {
+HostRequestResult handle_host_request(std::string_view service, TransportType type,
+ const char* serial, TransportId transport_id, int reply_fd,
+ asocket* s) {
+ if (service == "kill") {
fprintf(stderr, "adb server killed by remote request\n");
fflush(stdout);
@@ -1032,29 +1033,49 @@
exit(0);
}
- // "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"))) {
+ LOG(DEBUG) << "handle_host_request(" << service << ")";
+
+ // Transport selection:
+ if (service.starts_with("transport") || service.starts_with("tport:")) {
TransportType type = kTransportAny;
- if (!strncmp(service, "transport-id:", strlen("transport-id:"))) {
- service += strlen("transport-id:");
- transport_id = strtoll(service, const_cast<char**>(&service), 10);
- if (*service != '\0') {
- SendFail(reply_fd, "invalid transport id");
- return true;
+ std::string serial_storage;
+ bool legacy = true;
+
+ // New transport selection protocol:
+ // This is essentially identical to the previous version, except it returns the selected
+ // transport id to the caller as well.
+ if (ConsumePrefix(&service, "tport:")) {
+ legacy = false;
+ if (ConsumePrefix(&service, "serial:")) {
+ serial_storage = service;
+ serial = serial_storage.c_str();
+ } else if (service == "usb") {
+ type = kTransportUsb;
+ } else if (service == "local") {
+ type = kTransportLocal;
+ } else if (service == "any") {
+ type = kTransportAny;
}
- } else 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;
+
+ // Selection by id is unimplemented, since you obviously already know the transport id
+ // you're connecting to.
+ } else {
+ if (ConsumePrefix(&service, "transport-id:")) {
+ if (!ParseUint(&transport_id, service)) {
+ SendFail(reply_fd, "invalid transport id");
+ return HostRequestResult::Handled;
+ }
+ } else if (service == "transport-usb") {
+ type = kTransportUsb;
+ } else if (service == "transport-local") {
+ type = kTransportLocal;
+ } else if (service == "transport-any") {
+ type = kTransportAny;
+ } else if (ConsumePrefix(&service, "transport:")) {
+ serial_storage = service;
+ serial = serial_storage.c_str();
+ }
}
std::string error;
@@ -1063,27 +1084,29 @@
s->transport = t;
SendOkay(reply_fd);
- // We succesfully handled the device selection, but there's another request coming.
- return false;
+ if (!legacy) {
+ // Nothing we can do if this fails.
+ WriteFdExactly(reply_fd, &t->id, sizeof(t->id));
+ }
+
+ return HostRequestResult::SwitchedTransport;
} else {
SendFail(reply_fd, error);
- return true;
+ return HostRequestResult::Handled;
}
}
// 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...");
- SendOkay(reply_fd, device_list);
- }
- return true;
+ if (service == "devices" || service == "devices-l") {
+ bool long_listing = service == "devices-l";
+ D("Getting device list...");
+ std::string device_list = list_transports(long_listing);
+ D("Sending device list...");
+ SendOkay(reply_fd, device_list);
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "reconnect-offline")) {
+ if (service == "reconnect-offline") {
std::string response;
close_usb_devices([&response](const atransport* transport) {
if (!ConnectionStateIsOnline(transport->GetConnectionState())) {
@@ -1096,10 +1119,10 @@
response.resize(response.size() - 1);
}
SendOkay(reply_fd, response);
- return true;
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "features")) {
+ if (service == "features") {
std::string error;
atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &error);
if (t != nullptr) {
@@ -1107,10 +1130,10 @@
} else {
SendFail(reply_fd, error);
}
- return true;
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "host-features")) {
+ if (service == "host-features") {
FeatureSet features = supported_features();
// Abuse features to report libusb status.
if (should_use_libusb()) {
@@ -1118,16 +1141,16 @@
}
features.insert(kFeaturePushSync);
SendOkay(reply_fd, FeatureSetToString(features));
- return true;
+ return HostRequestResult::Handled;
}
// remove TCP transport
- if (!strncmp(service, "disconnect:", 11)) {
- const std::string address(service + 11);
+ if (service.starts_with("disconnect:")) {
+ std::string address(service.substr(11));
if (address.empty()) {
kick_all_tcp_devices();
SendOkay(reply_fd, "disconnected everything");
- return true;
+ return HostRequestResult::Handled;
}
std::string serial;
@@ -1139,26 +1162,26 @@
} else if (!android::base::ParseNetAddress(address, &host, &port, &serial, &error)) {
SendFail(reply_fd, android::base::StringPrintf("couldn't parse '%s': %s",
address.c_str(), error.c_str()));
- return true;
+ return HostRequestResult::Handled;
}
atransport* t = find_transport(serial.c_str());
if (t == nullptr) {
SendFail(reply_fd, android::base::StringPrintf("no such device '%s'", serial.c_str()));
- return true;
+ return HostRequestResult::Handled;
}
kick_transport(t);
SendOkay(reply_fd, android::base::StringPrintf("disconnected %s", address.c_str()));
- return true;
+ return HostRequestResult::Handled;
}
// Returns our value for ADB_SERVER_VERSION.
- if (!strcmp(service, "version")) {
+ if (service == "version") {
SendOkay(reply_fd, android::base::StringPrintf("%04x", ADB_SERVER_VERSION));
- return true;
+ return HostRequestResult::Handled;
}
// These always report "unknown" rather than the actual error, for scripts.
- if (!strcmp(service, "get-serialno")) {
+ if (service == "get-serialno") {
std::string error;
atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &error);
if (t) {
@@ -1166,9 +1189,9 @@
} else {
SendFail(reply_fd, error);
}
- return true;
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "get-devpath")) {
+ if (service == "get-devpath") {
std::string error;
atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &error);
if (t) {
@@ -1176,9 +1199,9 @@
} else {
SendFail(reply_fd, error);
}
- return true;
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "get-state")) {
+ if (service == "get-state") {
std::string error;
atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &error);
if (t) {
@@ -1186,39 +1209,46 @@
} else {
SendFail(reply_fd, error);
}
- return true;
+ return HostRequestResult::Handled;
}
// Indicates a new emulator instance has started.
- if (!strncmp(service, "emulator:", 9)) {
- int port = atoi(service+9);
- local_connect(port);
+ if (ConsumePrefix(&service, "emulator:")) {
+ unsigned int port;
+ if (!ParseUint(&port, service)) {
+ LOG(ERROR) << "received invalid port for emulator: " << service;
+ } else {
+ local_connect(port);
+ }
+
/* we don't even need to send a reply */
- return true;
+ return HostRequestResult::Handled;
}
- if (!strcmp(service, "reconnect")) {
+ if (service == "reconnect") {
std::string response;
atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &response, true);
if (t != nullptr) {
kick_transport(t);
response =
- "reconnecting " + t->serial_name() + " [" + t->connection_state_name() + "]\n";
+ "reconnecting " + t->serial_name() + " [" + t->connection_state_name() + "]\n";
}
SendOkay(reply_fd, response);
- return true;
+ return HostRequestResult::Handled;
}
- if (handle_forward_request(service,
- [=](std::string* error) {
- return acquire_one_transport(type, serial, transport_id, nullptr,
- error);
- },
- reply_fd)) {
- return true;
+ // TODO: Switch handle_forward_request to string_view.
+ std::string service_str(service);
+ if (handle_forward_request(
+ service_str.c_str(),
+ [=](std::string* error) {
+ return acquire_one_transport(type, serial, transport_id, nullptr, error);
+ },
+ reply_fd)) {
+ return HostRequestResult::Handled;
}
- return false;
+ return HostRequestResult::Unhandled;
}
static auto& init_mutex = *new std::mutex();
diff --git a/adb/adb.h b/adb/adb.h
index 3a8cb7b..c60dcbc 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -59,7 +59,7 @@
std::string adb_version();
// Increment this when we want to force users to start a new adb server.
-#define ADB_SERVER_VERSION 40
+#define ADB_SERVER_VERSION 41
using TransportId = uint64_t;
class atransport;
@@ -145,7 +145,8 @@
#endif
#if ADB_HOST
-asocket* host_service_to_socket(const char* name, const char* serial, TransportId transport_id);
+asocket* host_service_to_socket(std::string_view name, std::string_view serial,
+ TransportId transport_id);
#endif
#if !ADB_HOST
@@ -218,8 +219,15 @@
#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2)
#endif
-bool handle_host_request(const char* service, TransportType type, const char* serial,
- TransportId transport_id, int reply_fd, asocket* s);
+enum class HostRequestResult {
+ Handled,
+ SwitchedTransport,
+ Unhandled,
+};
+
+HostRequestResult handle_host_request(std::string_view service, TransportType type,
+ const char* serial, TransportId transport_id, int reply_fd,
+ asocket* s);
void handle_online(atransport* t);
void handle_offline(atransport* t);
diff --git a/adb/adb_io.cpp b/adb/adb_io.cpp
index 91b0d1f..f5cdcb5 100644
--- a/adb/adb_io.cpp
+++ b/adb/adb_io.cpp
@@ -34,7 +34,7 @@
#include "adb_utils.h"
#include "sysdeps.h"
-bool SendProtocolString(int fd, const std::string& s) {
+bool SendProtocolString(int fd, std::string_view s) {
unsigned int length = s.size();
if (length > MAX_PAYLOAD - 4) {
errno = EMSGSIZE;
@@ -69,7 +69,7 @@
return WriteFdExactly(fd, "OKAY", 4);
}
-bool SendFail(int fd, const std::string& reason) {
+bool SendFail(int fd, std::string_view reason) {
return WriteFdExactly(fd, "FAIL", 4) && SendProtocolString(fd, reason);
}
diff --git a/adb/adb_io.h b/adb/adb_io.h
index e2df1b1..d6e65d8 100644
--- a/adb/adb_io.h
+++ b/adb/adb_io.h
@@ -20,6 +20,7 @@
#include <sys/types.h>
#include <string>
+#include <string_view>
#include "adb_unique_fd.h"
@@ -27,10 +28,10 @@
bool SendOkay(int fd);
// Sends the protocol "FAIL" message, with the given failure reason.
-bool SendFail(int fd, const std::string& reason);
+bool SendFail(int fd, std::string_view reason);
// Writes a protocol-format string; a four hex digit length followed by the string data.
-bool SendProtocolString(int fd, const std::string& s);
+bool SendProtocolString(int fd, std::string_view s);
// Reads a protocol-format string; a four hex digit length followed by the string data.
bool ReadProtocolString(int fd, std::string* s, std::string* error);
diff --git a/adb/adb_utils.h b/adb/adb_utils.h
index a85ca8c..5800a62 100644
--- a/adb/adb_utils.h
+++ b/adb/adb_utils.h
@@ -110,7 +110,7 @@
// Base-10 stroll on a string_view.
template <typename T>
-inline bool ParseUint(T* result, std::string_view str, std::string_view* remaining) {
+inline bool ParseUint(T* result, std::string_view str, std::string_view* remaining = nullptr) {
if (str.empty() || !isdigit(str[0])) {
return false;
}
@@ -135,6 +135,17 @@
*result = value;
if (remaining) {
*remaining = str.substr(it - str.begin());
+ } else {
+ return it == str.end();
}
+
return true;
}
+
+inline bool ConsumePrefix(std::string_view* str, std::string_view prefix) {
+ if (str->starts_with(prefix)) {
+ str->remove_prefix(prefix.size());
+ return true;
+ }
+ return false;
+}
diff --git a/adb/adb_utils_test.cpp b/adb/adb_utils_test.cpp
index 8518e17..bd676c2 100644
--- a/adb/adb_utils_test.cpp
+++ b/adb/adb_utils_test.cpp
@@ -206,6 +206,14 @@
EXPECT_EQ(remaining, "foo");
}
}
+
+ // With trailing text, without remaining.
+ {
+ std::string text = std::string(string) + "foo";
+ uint32_t value;
+ bool success = ParseUint(&value, text, nullptr);
+ EXPECT_EQ(success, false);
+ }
}
TEST(adb_utils, ParseUint) {
diff --git a/adb/client/adb_client.cpp b/adb/client/adb_client.cpp
index 0a09d1e..4cf3a74 100644
--- a/adb/client/adb_client.cpp
+++ b/adb/client/adb_client.cpp
@@ -70,46 +70,60 @@
__adb_server_socket_spec = socket_spec;
}
-static int switch_socket_transport(int fd, std::string* error) {
+static std::optional<TransportId> switch_socket_transport(int fd, std::string* error) {
+ TransportId result;
+ bool read_transport = true;
+
std::string service;
if (__adb_transport_id) {
+ read_transport = false;
service += "host:transport-id:";
service += std::to_string(__adb_transport_id);
+ result = __adb_transport_id;
} else if (__adb_serial) {
- service += "host:transport:";
+ service += "host:tport:serial:";
service += __adb_serial;
} else {
const char* transport_type = "???";
switch (__adb_transport) {
case kTransportUsb:
- transport_type = "transport-usb";
- break;
+ transport_type = "usb";
+ break;
case kTransportLocal:
- transport_type = "transport-local";
- break;
+ transport_type = "local";
+ break;
case kTransportAny:
- transport_type = "transport-any";
- break;
+ transport_type = "any";
+ break;
case kTransportHost:
// no switch necessary
return 0;
}
- service += "host:";
+ service += "host:tport:";
service += transport_type;
}
if (!SendProtocolString(fd, service)) {
*error = perror_str("write failure during connection");
- return -1;
+ return std::nullopt;
}
- D("Switch transport in progress");
+
+ LOG(DEBUG) << "Switch transport in progress: " << service;
if (!adb_status(fd, error)) {
D("Switch transport failed: %s", error->c_str());
- return -1;
+ return std::nullopt;
}
+
+ if (read_transport) {
+ if (!ReadFdExactly(fd, &result, sizeof(result))) {
+ *error = "failed to read transport id from server";
+ return std::nullopt;
+ }
+ }
+
D("Switch transport success");
- return 0;
+ return result;
}
bool adb_status(int fd, std::string* error) {
@@ -133,11 +147,10 @@
return false;
}
-static int _adb_connect(const std::string& service, std::string* error) {
- D("_adb_connect: %s", service.c_str());
+static int _adb_connect(std::string_view service, TransportId* transport, std::string* error) {
+ LOG(DEBUG) << "_adb_connect: " << service;
if (service.empty() || service.size() > MAX_PAYLOAD) {
- *error = android::base::StringPrintf("bad service name length (%zd)",
- service.size());
+ *error = android::base::StringPrintf("bad service name length (%zd)", service.size());
return -1;
}
@@ -149,8 +162,15 @@
return -2;
}
- if (memcmp(&service[0], "host", 4) != 0 && switch_socket_transport(fd.get(), error)) {
- return -1;
+ if (!service.starts_with("host")) {
+ std::optional<TransportId> transport_result = switch_socket_transport(fd.get(), error);
+ if (!transport_result) {
+ return -1;
+ }
+
+ if (transport) {
+ *transport = *transport_result;
+ }
}
if (!SendProtocolString(fd.get(), service)) {
@@ -190,11 +210,15 @@
return true;
}
-int adb_connect(const std::string& service, std::string* error) {
- // first query the adb server's version
- unique_fd fd(_adb_connect("host:version", error));
+int adb_connect(std::string_view service, std::string* error) {
+ return adb_connect(nullptr, service, error);
+}
- D("adb_connect: service %s", service.c_str());
+int adb_connect(TransportId* transport, std::string_view service, std::string* error) {
+ // first query the adb server's version
+ unique_fd fd(_adb_connect("host:version", nullptr, error));
+
+ LOG(DEBUG) << "adb_connect: service: " << service;
if (fd == -2 && !is_local_socket_spec(__adb_server_socket_spec)) {
fprintf(stderr, "* cannot start server on remote host\n");
// error is the original network connection error
@@ -216,7 +240,7 @@
// Fall through to _adb_connect.
} else {
// If a server is already running, check its version matches.
- int version = ADB_SERVER_VERSION - 1;
+ int version = 0;
// If we have a file descriptor, then parse version result.
if (fd >= 0) {
@@ -254,7 +278,7 @@
return 0;
}
- fd.reset(_adb_connect(service, error));
+ fd.reset(_adb_connect(service, transport, error));
if (fd == -1) {
D("_adb_connect error: %s", error->c_str());
} else if(fd == -2) {
@@ -265,7 +289,6 @@
return fd.release();
}
-
bool adb_command(const std::string& service) {
std::string error;
unique_fd fd(adb_connect(service, &error));
diff --git a/adb/client/adb_client.h b/adb/client/adb_client.h
index d467539..0a73787 100644
--- a/adb/client/adb_client.h
+++ b/adb/client/adb_client.h
@@ -24,7 +24,10 @@
// Connect to adb, connect to the named service, and return a valid fd for
// interacting with that service upon success or a negative number on failure.
-int adb_connect(const std::string& service, std::string* _Nonnull error);
+int adb_connect(std::string_view service, std::string* _Nonnull error);
+
+// Same as above, except returning the TransportId for the service that we've connected to.
+int adb_connect(TransportId* _Nullable id, std::string_view service, std::string* _Nonnull error);
// Kill the currently running adb server, if it exists.
bool adb_kill_server();
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index f70b480..3286959 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -190,8 +190,8 @@
"scripting:\n"
" wait-for[-TRANSPORT]-STATE\n"
" wait for device to be in the given state\n"
- " State: device, recovery, sideload, or bootloader\n"
- " Transport: usb, local, or any [default=any]\n"
+ " STATE: device, recovery, sideload, bootloader, or disconnect\n"
+ " TRANSPORT: usb, local, or any [default=any]\n"
" get-state print offline | bootloader | device\n"
" get-serialno print <serial-number>\n"
" get-devpath print <device-path>\n"
@@ -1031,10 +1031,11 @@
}
if (components[3] != "any" && components[3] != "bootloader" && components[3] != "device" &&
- components[3] != "recovery" && components[3] != "sideload") {
+ components[3] != "recovery" && components[3] != "sideload" &&
+ components[3] != "disconnect") {
fprintf(stderr,
"adb: unknown state %s; "
- "expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'\n",
+ "expected 'any', 'bootloader', 'device', 'recovery', 'sideload', or 'disconnect'\n",
components[3].c_str());
return false;
}
@@ -1046,7 +1047,8 @@
static bool adb_root(const char* command) {
std::string error;
- unique_fd fd(adb_connect(android::base::StringPrintf("%s:", command), &error));
+ TransportId transport_id;
+ unique_fd fd(adb_connect(&transport_id, android::base::StringPrintf("%s:", command), &error));
if (fd < 0) {
fprintf(stderr, "adb: unable to connect for %s: %s\n", command, error.c_str());
return false;
@@ -1079,9 +1081,9 @@
return true;
}
- // Give adbd some time to kill itself and come back up.
- // We can't use wait-for-device because devices (e.g. adb over network) might not come back.
- std::this_thread::sleep_for(3s);
+ // Wait for the device to go away.
+ adb_set_transport(kTransportAny, nullptr, transport_id);
+ wait_for_device("wait-for-disconnect");
return true;
}
diff --git a/adb/daemon/abb.cpp b/adb/daemon/abb.cpp
index 4ffa6bb..eeac41a 100644
--- a/adb/daemon/abb.cpp
+++ b/adb/daemon/abb.cpp
@@ -14,15 +14,15 @@
* limitations under the License.
*/
-#include "adb.h"
-#include "adb_io.h"
-#include "shell_service.h"
-
-#include "cmd.h"
-
#include <sys/wait.h>
#include <android-base/cmsg.h>
+#include <cmd.h>
+
+#include "adb.h"
+#include "adb_io.h"
+#include "adb_utils.h"
+#include "shell_service.h"
namespace {
@@ -87,11 +87,9 @@
std::string_view name = data;
auto protocol = SubprocessProtocol::kShell;
- if (name.starts_with("abb:")) {
- name.remove_prefix(strlen("abb:"));
+ if (ConsumePrefix(&name, "abb:")) {
protocol = SubprocessProtocol::kShell;
- } else if (name.starts_with("abb_exec:")) {
- name.remove_prefix(strlen("abb_exec:"));
+ } else if (ConsumePrefix(&name, "abb_exec:")) {
protocol = SubprocessProtocol::kNone;
} else {
LOG(FATAL) << "Unknown command prefix for abb: " << data;
diff --git a/adb/daemon/services.cpp b/adb/daemon/services.cpp
index 362a987..b0cc450 100644
--- a/adb/daemon/services.cpp
+++ b/adb/daemon/services.cpp
@@ -223,17 +223,15 @@
return create_jdwp_service_socket();
} else if (name == "track-jdwp") {
return create_jdwp_tracker_service_socket();
- } else if (name.starts_with("sink:")) {
- name.remove_prefix(strlen("sink:"));
+ } else if (ConsumePrefix(&name, "sink:")) {
uint64_t byte_count = 0;
- if (!android::base::ParseUint(name.data(), &byte_count)) {
+ if (!ParseUint(&byte_count, name)) {
return nullptr;
}
return new SinkSocket(byte_count);
- } else if (name.starts_with("source:")) {
- name.remove_prefix(strlen("source:"));
+ } else if (ConsumePrefix(&name, "source:")) {
uint64_t byte_count = 0;
- if (!android::base::ParseUint(name.data(), &byte_count)) {
+ if (!ParseUint(&byte_count, name)) {
return nullptr;
}
return new SourceSocket(byte_count);
@@ -252,20 +250,19 @@
#if defined(__ANDROID__)
if (name.starts_with("framebuffer:")) {
return create_service_thread("fb", framebuffer_service);
- } else if (name.starts_with("remount:")) {
- std::string arg(name.begin() + strlen("remount:"), name.end());
+ } else if (ConsumePrefix(&name, "remount:")) {
+ std::string arg(name);
return create_service_thread("remount",
std::bind(remount_service, std::placeholders::_1, arg));
- } else if (name.starts_with("reboot:")) {
- std::string arg(name.begin() + strlen("reboot:"), name.end());
+ } else if (ConsumePrefix(&name, "reboot:")) {
+ std::string arg(name);
return create_service_thread("reboot",
std::bind(reboot_service, std::placeholders::_1, arg));
} else if (name.starts_with("root:")) {
return create_service_thread("root", restart_root_service);
} else if (name.starts_with("unroot:")) {
return create_service_thread("unroot", restart_unroot_service);
- } else if (name.starts_with("backup:")) {
- name.remove_prefix(strlen("backup:"));
+ } else if (ConsumePrefix(&name, "backup:")) {
std::string cmd = "/system/bin/bu backup ";
cmd += name;
return StartSubprocess(cmd, nullptr, SubprocessType::kRaw, SubprocessProtocol::kNone);
@@ -278,8 +275,7 @@
} else if (name.starts_with("enable-verity:")) {
return create_service_thread("verity-off", std::bind(set_verity_enabled_state_service,
std::placeholders::_1, true));
- } else if (name.starts_with("tcpip:")) {
- name.remove_prefix(strlen("tcpip:"));
+ } else if (ConsumePrefix(&name, "tcpip:")) {
std::string str(name);
int port;
@@ -293,24 +289,22 @@
}
#endif
- if (name.starts_with("dev:")) {
- name.remove_prefix(strlen("dev:"));
+ if (ConsumePrefix(&name, "dev:")) {
return unique_fd{unix_open(name, O_RDWR | O_CLOEXEC)};
- } else if (name.starts_with("jdwp:")) {
- name.remove_prefix(strlen("jdwp:"));
- std::string str(name);
- return create_jdwp_connection_fd(atoi(str.c_str()));
- } else if (name.starts_with("shell")) {
- name.remove_prefix(strlen("shell"));
+ } else if (ConsumePrefix(&name, "jdwp:")) {
+ pid_t pid;
+ if (!ParseUint(&pid, name)) {
+ return unique_fd{};
+ }
+ return create_jdwp_connection_fd(pid);
+ } else if (ConsumePrefix(&name, "shell")) {
return ShellService(name, transport);
- } else if (name.starts_with("exec:")) {
- name.remove_prefix(strlen("exec:"));
+ } else if (ConsumePrefix(&name, "exec:")) {
return StartSubprocess(std::string(name), nullptr, SubprocessType::kRaw,
SubprocessProtocol::kNone);
} else if (name.starts_with("sync:")) {
return create_service_thread("sync", file_sync_service);
- } else if (name.starts_with("reverse:")) {
- name.remove_prefix(strlen("reverse:"));
+ } else if (ConsumePrefix(&name, "reverse:")) {
return reverse_service(name, transport);
} else if (name == "reconnect") {
return create_service_thread(
diff --git a/adb/services.cpp b/adb/services.cpp
index 0061f0e..80f9f79 100644
--- a/adb/services.cpp
+++ b/adb/services.cpp
@@ -25,6 +25,7 @@
#include <string.h>
#include <thread>
+
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <cutils/sockets.h>
@@ -63,11 +64,11 @@
adb_setsockopt(s[0], SOL_SOCKET, SO_SNDBUF, &max_buf, sizeof(max_buf));
adb_setsockopt(s[1], SOL_SOCKET, SO_SNDBUF, &max_buf, sizeof(max_buf));
}
-#endif // !ADB_HOST
+#endif // !ADB_HOST
std::thread(service_bootstrap_func, service_name, func, unique_fd(s[1])).detach();
- D("service thread started, %d:%d",s[0], s[1]);
+ D("service thread started, %d:%d", s[0], s[1]);
return unique_fd(s[0]);
}
@@ -108,12 +109,21 @@
const char* serial = sinfo->serial.length() ? sinfo->serial.c_str() : nullptr;
atransport* t = acquire_one_transport(sinfo->transport_type, serial, sinfo->transport_id,
&is_ambiguous, &error);
- if (t != nullptr && (sinfo->state == kCsAny || sinfo->state == t->GetConnectionState())) {
+ if (sinfo->state == kCsOffline) {
+ // wait-for-disconnect uses kCsOffline, we don't actually want to wait for 'offline'.
+ if (t == nullptr) {
+ SendOkay(fd);
+ break;
+ }
+ } else if (t != nullptr &&
+ (sinfo->state == kCsAny || sinfo->state == t->GetConnectionState())) {
SendOkay(fd);
break;
- } else if (!is_ambiguous) {
- adb_pollfd pfd = {.fd = fd, .events = POLLIN };
- int rc = adb_poll(&pfd, 1, 1000);
+ }
+
+ if (!is_ambiguous) {
+ adb_pollfd pfd = {.fd = fd, .events = POLLIN};
+ int rc = adb_poll(&pfd, 1, 100);
if (rc < 0) {
SendFail(fd, error);
break;
@@ -187,46 +197,44 @@
#endif
#if ADB_HOST
-asocket* host_service_to_socket(const char* name, const char* serial, TransportId transport_id) {
- if (!strcmp(name,"track-devices")) {
+asocket* host_service_to_socket(std::string_view name, std::string_view serial,
+ TransportId transport_id) {
+ if (name == "track-devices") {
return create_device_tracker(false);
- } else if (!strcmp(name, "track-devices-l")) {
+ } else if (name == "track-devices-l") {
return create_device_tracker(true);
- } else if (android::base::StartsWith(name, "wait-for-")) {
- name += strlen("wait-for-");
-
+ } else if (ConsumePrefix(&name, "wait-for-")) {
std::shared_ptr<state_info> sinfo = std::make_shared<state_info>();
if (sinfo == nullptr) {
fprintf(stderr, "couldn't allocate state_info: %s", strerror(errno));
return nullptr;
}
- if (serial) sinfo->serial = serial;
+ sinfo->serial = serial;
sinfo->transport_id = transport_id;
- if (android::base::StartsWith(name, "local")) {
- name += strlen("local");
+ if (ConsumePrefix(&name, "local")) {
sinfo->transport_type = kTransportLocal;
- } else if (android::base::StartsWith(name, "usb")) {
- name += strlen("usb");
+ } else if (ConsumePrefix(&name, "usb")) {
sinfo->transport_type = kTransportUsb;
- } else if (android::base::StartsWith(name, "any")) {
- name += strlen("any");
+ } else if (ConsumePrefix(&name, "any")) {
sinfo->transport_type = kTransportAny;
} else {
return nullptr;
}
- if (!strcmp(name, "-device")) {
+ if (name == "-device") {
sinfo->state = kCsDevice;
- } else if (!strcmp(name, "-recovery")) {
+ } else if (name == "-recovery") {
sinfo->state = kCsRecovery;
- } else if (!strcmp(name, "-sideload")) {
+ } else if (name == "-sideload") {
sinfo->state = kCsSideload;
- } else if (!strcmp(name, "-bootloader")) {
+ } else if (name == "-bootloader") {
sinfo->state = kCsBootloader;
- } else if (!strcmp(name, "-any")) {
+ } else if (name == "-any") {
sinfo->state = kCsAny;
+ } else if (name == "-disconnect") {
+ sinfo->state = kCsOffline;
} else {
return nullptr;
}
@@ -235,8 +243,8 @@
wait_for_state(fd, sinfo.get());
});
return create_local_socket(std::move(fd));
- } else if (!strncmp(name, "connect:", 8)) {
- std::string host(name + strlen("connect:"));
+ } else if (ConsumePrefix(&name, "connect:")) {
+ std::string host(name);
unique_fd fd = create_service_thread(
"connect", std::bind(connect_service, std::placeholders::_1, host));
return create_local_socket(std::move(fd));
diff --git a/adb/sockets.cpp b/adb/sockets.cpp
index 420a6d5..8a2bf9a 100644
--- a/adb/sockets.cpp
+++ b/adb/sockets.cpp
@@ -426,22 +426,6 @@
return s;
}
-#if ADB_HOST
-static asocket* create_host_service_socket(const char* name, const char* serial,
- TransportId transport_id) {
- asocket* s;
-
- s = host_service_to_socket(name, serial, transport_id);
-
- if (s != nullptr) {
- D("LS(%d) bound to '%s'", s->id, name);
- return s;
- }
-
- return s;
-}
-#endif /* ADB_HOST */
-
static int remote_socket_enqueue(asocket* s, apacket::payload_type data) {
D("entered remote_socket_enqueue RS(%d) WRITE fd=%d peer.fd=%d", s->id, s->fd, s->peer->fd);
apacket* p = get_apacket();
@@ -771,34 +755,27 @@
#if ADB_HOST
service = std::string_view(s->smart_socket_data).substr(4);
- if (service.starts_with("host-serial:")) {
- service.remove_prefix(strlen("host-serial:"));
-
+ if (ConsumePrefix(&service, "host-serial:")) {
// serial number should follow "host:" and could be a host:port string.
if (!internal::parse_host_service(&serial, &service, service)) {
LOG(ERROR) << "SS(" << s->id << "): failed to parse host service: " << service;
goto fail;
}
- } else if (service.starts_with("host-transport-id:")) {
- service.remove_prefix(strlen("host-transport-id:"));
+ } else if (ConsumePrefix(&service, "host-transport-id:")) {
if (!ParseUint(&transport_id, service, &service)) {
LOG(ERROR) << "SS(" << s->id << "): failed to parse host transport id: " << service;
return -1;
}
- if (!service.starts_with(":")) {
+ if (!ConsumePrefix(&service, ":")) {
LOG(ERROR) << "SS(" << s->id << "): host-transport-id without command";
return -1;
}
- service.remove_prefix(1);
- } else if (service.starts_with("host-usb:")) {
+ } else if (ConsumePrefix(&service, "host-usb:")) {
type = kTransportUsb;
- service.remove_prefix(strlen("host-usb:"));
- } else if (service.starts_with("host-local:")) {
+ } else if (ConsumePrefix(&service, "host-local:")) {
type = kTransportLocal;
- service.remove_prefix(strlen("host-local:"));
- } else if (service.starts_with("host:")) {
+ } else if (ConsumePrefix(&service, "host:")) {
type = kTransportAny;
- service.remove_prefix(strlen("host:"));
} else {
service = std::string_view{};
}
@@ -808,17 +785,22 @@
// Some requests are handled immediately -- in that case the handle_host_request() routine
// has sent the OKAY or FAIL message and all we have to do is clean up.
- // TODO: Convert to string_view.
- if (handle_host_request(std::string(service).c_str(), type,
- serial.empty() ? nullptr : std::string(serial).c_str(),
- transport_id, s->peer->fd, s)) {
- LOG(VERBOSE) << "SS(" << s->id << "): handled host service '" << service << "'";
- goto fail;
- }
- if (service.starts_with("transport")) {
- D("SS(%d): okay transport", s->id);
- s->smart_socket_data.clear();
- return 0;
+ auto host_request_result = handle_host_request(
+ service, type, serial.empty() ? nullptr : std::string(serial).c_str(), transport_id,
+ s->peer->fd, s);
+
+ switch (host_request_result) {
+ case HostRequestResult::Handled:
+ LOG(VERBOSE) << "SS(" << s->id << "): handled host service '" << service << "'";
+ goto fail;
+
+ case HostRequestResult::SwitchedTransport:
+ D("SS(%d): okay transport", s->id);
+ s->smart_socket_data.clear();
+ return 0;
+
+ case HostRequestResult::Unhandled:
+ break;
}
/* try to find a local service with this name.
@@ -826,8 +808,7 @@
** and tear down here.
*/
// TODO: Convert to string_view.
- s2 = create_host_service_socket(std::string(service).c_str(), std::string(serial).c_str(),
- transport_id);
+ s2 = host_service_to_socket(service, serial, transport_id);
if (s2 == nullptr) {
LOG(VERBOSE) << "SS(" << s->id << "): couldn't create host service '" << service << "'";
SendFail(s->peer->fd, "unknown host service");