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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <android-base/strings.h>
#include "bugreport.h"
#include "file_sync_service.h"
static constexpr char BUGZ_OK_PREFIX[] = "OK:";
static constexpr char BUGZ_FAIL_PREFIX[] = "FAIL:";
static constexpr char BUGZ_PROGRESS_PREFIX[] = "PROGRESS:";
static constexpr char BUGZ_PROGRESS_SEPARATOR[] = "/";
// Custom callback used to handle the output of zipped bugreports.
class BugreportStandardStreamsCallback : public StandardStreamsCallbackInterface {
public:
BugreportStandardStreamsCallback(const std::string& dest_file, bool show_progress, Bugreport* br)
: br_(br),
dest_file_(dest_file),
line_message_(android::base::StringPrintf("generating %s", dest_file_.c_str())),
show_progress_(show_progress),
status_(-1),
line_() {
}
void OnStdout(const char* buffer, int length) {
for (int i = 0; i < length; i++) {
char c = buffer[i];
if (c == '\n') {
ProcessLine(line_);
line_.clear();
} else {
line_.append(1, c);
}
}
}
void OnStderr(const char* buffer, int length) {
OnStream(nullptr, stderr, buffer, length);
}
int Done(int unused_) {
// Process remaining line, if any...
ProcessLine(line_);
// ..then return.
return status_;
}
private:
void ProcessLine(const std::string& line) {
if (line.empty()) return;
if (android::base::StartsWith(line, BUGZ_OK_PREFIX)) {
if (show_progress_) {
// Make sure pull message doesn't conflict with generation message.
br_->UpdateProgress(line_message_, 100, 100);
}
const char* zip_file = &line[strlen(BUGZ_OK_PREFIX)];
std::vector<const char*> srcs{zip_file};
status_ = br_->DoSyncPull(srcs, dest_file_.c_str(), true, line_message_.c_str()) ? 0 : 1;
if (status_ != 0) {
fprintf(stderr, "Could not copy file '%s' to '%s'\n", zip_file, dest_file_.c_str());
}
} else if (android::base::StartsWith(line, BUGZ_FAIL_PREFIX)) {
const char* error_message = &line[strlen(BUGZ_FAIL_PREFIX)];
fprintf(stderr, "Device failed to take a zipped bugreport: %s\n", error_message);
status_ = -1;
} else if (show_progress_ && android::base::StartsWith(line, BUGZ_PROGRESS_PREFIX)) {
// progress_line should have the following format:
//
// BUGZ_PROGRESS_PREFIX:PROGRESS/TOTAL
//
size_t idx1 = line.rfind(BUGZ_PROGRESS_PREFIX) + strlen(BUGZ_PROGRESS_PREFIX);
size_t idx2 = line.rfind(BUGZ_PROGRESS_SEPARATOR);
int progress = std::stoi(line.substr(idx1, (idx2 - idx1)));
int total = std::stoi(line.substr(idx2 + 1));
br_->UpdateProgress(dest_file_, progress, total);
} else {
fprintf(stderr,
"WARNING: unexpected line (%s) returned by bugreportz, "
"device probably does not support zipped bugreports.\n"
"Try 'adb bugreport' instead.",
line.c_str());
}
}
Bugreport* br_;
const std::string dest_file_;
const std::string line_message_;
bool show_progress_;
int status_;
// Temporary buffer containing the characters read since the last newline
// (\n).
std::string line_;
DISALLOW_COPY_AND_ASSIGN(BugreportStandardStreamsCallback);
};
// Implemented in commandline.cpp
int usage();
int Bugreport::DoIt(TransportType transport_type, const char* serial, int argc, const char** argv) {
if (argc == 1) return SendShellCommand(transport_type, serial, "bugreport", false);
if (argc != 2) return usage();
// Zipped bugreport option - will call 'bugreportz', which prints the location
// of the generated
// file, then pull it to the destination file provided by the user.
std::string dest_file = argv[1];
if (!android::base::EndsWith(argv[1], ".zip")) {
// TODO: use a case-insensitive comparison (like EndsWithIgnoreCase
dest_file += ".zip";
}
// Gets bugreportz version.
std::string bugz_stderr;
DefaultStandardStreamsCallback version_callback(nullptr, &bugz_stderr);
int status = SendShellCommand(transport_type, serial, "bugreportz -v", false, &version_callback);
if (status != 0) {
fprintf(stderr,
"Failed to get bugreportz version: 'bugreport -v' returned '%s' "
"(code %d)."
"\nIf the device does not support it, try running 'adb bugreport' "
"to get a "
"flat-file bugreport.",
bugz_stderr.c_str(), status);
return status;
}
std::string bugz_version = android::base::Trim(bugz_stderr);
bool show_progress = true;
std::string bugz_command = "bugreportz -p";
if (bugz_version == "1.0") {
// 1.0 does not support progress notifications, so print a disclaimer
// message instead.
fprintf(stderr,
"Bugreport is in progress and it could take minutes to complete.\n"
"Please be patient and do not cancel or disconnect your device "
"until it completes."
"\n");
show_progress = false;
bugz_command = "bugreportz";
}
BugreportStandardStreamsCallback bugz_callback(dest_file, show_progress, this);
return SendShellCommand(transport_type, serial, bugz_command, false, &bugz_callback);
}
void Bugreport::UpdateProgress(const std::string& message, int progress, int total) {
int progress_percentage = (progress * 100 / total);
line_printer_.Print(
android::base::StringPrintf("[%3d%%] %s", progress_percentage, message.c_str()),
LinePrinter::INFO);
}
int Bugreport::SendShellCommand(TransportType transport_type, const char* serial,
const std::string& command, bool disable_shell_protocol,
StandardStreamsCallbackInterface* callback) {
return send_shell_command(transport_type, serial, command, disable_shell_protocol, callback);
}
bool Bugreport::DoSyncPull(const std::vector<const char*>& srcs, const char* dst, bool copy_attrs,
const char* name) {
return do_sync_pull(srcs, dst, copy_attrs, name);
}
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