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106 lines
3.4 KiB
106 lines
3.4 KiB
4 months ago
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define TRACE_TAG TRANSPORT
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#include "sysdeps.h"
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#include "transport.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <condition_variable>
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#include <functional>
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#include <memory>
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#include <mutex>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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#include <android-base/parsenetaddress.h>
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#include <android-base/stringprintf.h>
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#include <android-base/thread_annotations.h>
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#include <cutils/sockets.h>
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#if !ADB_HOST
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#include <android-base/properties.h>
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#endif
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#include "adb.h"
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#include "adb_io.h"
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#include "adb_unique_fd.h"
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#include "adb_utils.h"
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#include "socket_spec.h"
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#include "sysdeps/chrono.h"
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void server_socket_thread(std::function<unique_fd(std::string_view, std::string*)> listen_func,
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std::string_view addr) {
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adb_thread_setname("server socket");
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unique_fd serverfd;
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std::string error;
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while (serverfd == -1) {
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errno = 0;
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serverfd = listen_func(addr, &error);
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if (errno == EAFNOSUPPORT || errno == EINVAL || errno == EPROTONOSUPPORT) {
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D("unrecoverable error: '%s'", error.c_str());
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return;
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} else if (serverfd < 0) {
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D("server: cannot bind socket yet: %s", error.c_str());
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std::this_thread::sleep_for(1s);
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continue;
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}
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close_on_exec(serverfd.get());
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}
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while (true) {
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D("server: trying to get new connection from fd %d", serverfd.get());
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unique_fd fd(adb_socket_accept(serverfd, nullptr, nullptr));
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if (fd >= 0) {
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D("server: new connection on fd %d", fd.get());
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close_on_exec(fd.get());
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disable_tcp_nagle(fd.get());
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std::string serial = android::base::StringPrintf("host-%d", fd.get());
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// We don't care about port value in "register_socket_transport" as it is used
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// only from ADB_HOST. "server_socket_thread" is never called from ADB_HOST.
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register_socket_transport(
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std::move(fd), std::move(serial), 0, 1,
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[](atransport*) { return ReconnectResult::Abort; }, false);
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}
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}
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D("transport: server_socket_thread() exiting");
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}
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unique_fd adb_listen(std::string_view addr, std::string* error) {
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return unique_fd{socket_spec_listen(addr, error, nullptr)};
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}
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void local_init(const std::string& addr) {
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D("transport: local server init");
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std::thread(server_socket_thread, adb_listen, addr).detach();
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}
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int init_socket_transport(atransport* t, unique_fd fd, int adb_port, int local) {
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t->type = kTransportLocal;
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auto fd_connection = std::make_unique<FdConnection>(std::move(fd));
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t->SetConnection(std::make_unique<BlockingConnectionAdapter>(std::move(fd_connection)));
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return 0;
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}
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