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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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 "src/main/cpp/blaze_startup_options.h"
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include "src/main/cpp/blaze_util.h"
#include "src/main/cpp/blaze_util_platform.h"
#include "src/main/cpp/util/exit_code.h"
#include "src/main/cpp/util/file.h"
#include "src/main/cpp/util/numbers.h"
#include "src/main/cpp/util/strings.h"
namespace blaze {
void BlazeStartupOptions::Init() {
bool testing = getenv("TEST_TMPDIR") != NULL;
if (testing) {
output_root = MakeAbsolute(getenv("TEST_TMPDIR"));
} else {
output_root = GetOutputRoot();
}
string product = GetProductName();
blaze_util::ToLower(&product);
output_user_root = blaze_util::JoinPath(
output_root, "_" + product + "_" + GetUserName());
block_for_lock = true;
host_jvm_debug = false;
host_javabase = "";
batch = false;
batch_cpu_scheduling = false;
blaze_cpu = false;
allow_configurable_attributes = false;
fatal_event_bus_exceptions = false;
io_nice_level = -1;
// 3 hours (but only 5 seconds if used within a test)
max_idle_secs = testing ? 5 : (3 * 3600);
webstatus_port = 0;
watchfs = false;
}
string BlazeStartupOptions::GetHostJavabase() {
if (host_javabase.empty()) {
host_javabase = GetDefaultHostJavabase();
}
return host_javabase;
}
void BlazeStartupOptions::Copy(
const BlazeStartupOptions &rhs, BlazeStartupOptions *lhs) {
assert(lhs);
lhs->output_base = rhs.output_base;
lhs->install_base = rhs.install_base;
lhs->output_root = rhs.output_root;
lhs->output_user_root = rhs.output_user_root;
lhs->block_for_lock = rhs.block_for_lock;
lhs->host_jvm_debug = rhs.host_jvm_debug;
lhs->host_jvm_profile = rhs.host_jvm_profile;
lhs->host_javabase = rhs.host_javabase;
lhs->host_jvm_args = rhs.host_jvm_args;
lhs->batch = rhs.batch;
lhs->batch_cpu_scheduling = rhs.batch_cpu_scheduling;
lhs->io_nice_level = rhs.io_nice_level;
lhs->max_idle_secs = rhs.max_idle_secs;
lhs->skyframe = rhs.skyframe;
lhs->blaze_cpu = rhs.blaze_cpu;
lhs->webstatus_port = rhs.webstatus_port;
lhs->watchfs = rhs.watchfs;
lhs->allow_configurable_attributes = rhs.allow_configurable_attributes;
lhs->fatal_event_bus_exceptions = rhs.fatal_event_bus_exceptions;
lhs->option_sources = rhs.option_sources;
}
blaze_exit_code::ExitCode BlazeStartupOptions::ProcessArg(
const string &argstr, const string &next_argstr, const string &rcfile,
bool *is_space_separated, string *error) {
// We have to parse a specific option syntax, so GNU getopts won't do. All
// options begin with "--" or "-". Values are given together with the option
// delimited by '=' or in the next option.
const char* arg = argstr.c_str();
const char* next_arg = next_argstr.empty() ? NULL : next_argstr.c_str();
const char* value = NULL;
if ((value = GetUnaryOption(arg, next_arg, "--output_base")) != NULL) {
output_base = MakeAbsolute(value);
option_sources["output_base"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--install_base")) != NULL) {
install_base = MakeAbsolute(value);
option_sources["install_base"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--output_user_root")) != NULL) {
output_user_root = MakeAbsolute(value);
option_sources["output_user_root"] = rcfile;
} else if (GetNullaryOption(arg, "--noblock_for_lock")) {
block_for_lock = false;
option_sources["block_for_lock"] = rcfile;
} else if (GetNullaryOption(arg, "--host_jvm_debug")) {
host_jvm_debug = true;
option_sources["host_jvm_debug"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--host_jvm_profile")) != NULL) {
host_jvm_profile = value;
option_sources["host_jvm_profile"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--host_javabase")) != NULL) {
// TODO(bazel-team): Consider examining the javabase, and in case of
// architecture mismatch, treating this option like --blaze_cpu
// and re-execing.
host_javabase = MakeAbsolute(value);
option_sources["host_javabase"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--host_jvm_args")) != NULL) {
if (host_jvm_args.empty()) {
host_jvm_args = value;
} else {
host_jvm_args = host_jvm_args + " " + value;
}
option_sources["host_jvm_args"] = rcfile; // NB: This is incorrect
} else if ((value = GetUnaryOption(arg, next_arg, "--blaze_cpu")) != NULL) {
blaze_cpu = true;
option_sources["blaze_cpu"] = rcfile;
fprintf(stderr, "WARNING: The --blaze_cpu startup option is now ignored "
"and will be removed in a future release\n");
} else if ((value = GetUnaryOption(arg, next_arg, "--bazelrc")) != NULL) {
if (rcfile != "") {
*error = "Can't specify --bazelrc in the .bazelrc file.";
return blaze_exit_code::BAD_ARGV;
}
} else if ((value = GetUnaryOption(arg, next_arg, "--blazerc")) != NULL) {
if (rcfile != "") {
*error = "Can't specify --blazerc in the .blazerc file.";
return blaze_exit_code::BAD_ARGV;
}
} else if (GetNullaryOption(arg, "--nomaster_blazerc") ||
GetNullaryOption(arg, "--master_blazerc")) {
if (rcfile != "") {
*error = "Can't specify --[no]master_blazerc in .blazerc file.";
return blaze_exit_code::BAD_ARGV;
}
option_sources["blazerc"] = rcfile;
} else if (GetNullaryOption(arg, "--nomaster_bazelrc") ||
GetNullaryOption(arg, "--master_bazelrc")) {
if (rcfile != "") {
*error = "Can't specify --[no]master_bazelrc in .bazelrc file.";
return blaze_exit_code::BAD_ARGV;
}
option_sources["blazerc"] = rcfile;
} else if (GetNullaryOption(arg, "--batch")) {
batch = true;
option_sources["batch"] = rcfile;
} else if (GetNullaryOption(arg, "--nobatch")) {
batch = false;
option_sources["batch"] = rcfile;
} else if (GetNullaryOption(arg, "--batch_cpu_scheduling")) {
batch_cpu_scheduling = true;
option_sources["batch_cpu_scheduling"] = rcfile;
} else if (GetNullaryOption(arg, "--nobatch_cpu_scheduling")) {
batch_cpu_scheduling = false;
option_sources["batch_cpu_scheduling"] = rcfile;
} else if (GetNullaryOption(arg, "--allow_configurable_attributes")) {
allow_configurable_attributes = true;
option_sources["allow_configurable_attributes"] = rcfile;
} else if (GetNullaryOption(arg, "--noallow_configurable_attributes")) {
allow_configurable_attributes = false;
option_sources["allow_configurable_attributes"] = rcfile;
} else if (GetNullaryOption(arg, "--fatal_event_bus_exceptions")) {
fatal_event_bus_exceptions = true;
option_sources["fatal_event_bus_exceptions"] = rcfile;
} else if (GetNullaryOption(arg, "--nofatal_event_bus_exceptions")) {
fatal_event_bus_exceptions = false;
option_sources["fatal_event_bus_exceptions"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--io_nice_level")) != NULL) {
if (!blaze_util::safe_strto32(value, &io_nice_level) ||
io_nice_level > 7) {
blaze_util::StringPrintf(error,
"Invalid argument to --io_nice_level: '%s'. Must not exceed 7.",
value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["io_nice_level"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--max_idle_secs")) != NULL) {
if (!blaze_util::safe_strto32(value, &max_idle_secs) ||
max_idle_secs < 0) {
blaze_util::StringPrintf(error,
"Invalid argument to --max_idle_secs: '%s'.", value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["max_idle_secs"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--skyframe")) != NULL) {
fprintf(stderr, "WARNING: The --skyframe startup option is now ignored "
"and will be removed in a future release\n");
} else if (GetNullaryOption(arg, "-x")) {
fprintf(stderr, "WARNING: The -x startup option is now ignored "
"and will be removed in a future release\n");
} else if (GetNullaryOption(arg, "--watchfs")) {
watchfs = true;
option_sources["watchfs"] = rcfile;
} else if (GetNullaryOption(arg, "--nowatchfs")) {
watchfs = false;
option_sources["watchfs"] = rcfile;
} else if ((value = GetUnaryOption(
arg, next_arg, "--use_webstatusserver")) != NULL) {
if (!blaze_util::safe_strto32(value, &webstatus_port) ||
webstatus_port < 0 || webstatus_port > 65535) {
blaze_util::StringPrintf(error,
"Invalid argument to --use_webstatusserver: '%s'. "
"Must be a valid port number or 0 if server disabled.\n", value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["webstatusserver"] = rcfile;
} else {
bool extra_argument_processed;
blaze_exit_code::ExitCode process_extra_arg_exit_code = ProcessArgExtra(
arg, next_arg, rcfile, &value, &extra_argument_processed, error);
if (process_extra_arg_exit_code != blaze_exit_code::SUCCESS) {
return process_extra_arg_exit_code;
}
if (!extra_argument_processed) {
blaze_util::StringPrintf(
error, "Unknown %s startup option: '%s'.\n"
" For more info, run 'blaze help startup_options'.",
GetProductName().c_str(), arg);
return blaze_exit_code::BAD_ARGV;
}
}
*is_space_separated = ((value == next_arg) && (value != NULL));
return blaze_exit_code::SUCCESS;
}
} // namespace blaze
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