| // 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/startup_options.h" |
| |
| #include <assert.h> |
| |
| #include <cstdio> |
| #include <cstdlib> |
| #include <cstring> |
| |
| #include "src/main/cpp/blaze_util.h" |
| #include "src/main/cpp/blaze_util_platform.h" |
| #include "src/main/cpp/util/errors.h" |
| #include "src/main/cpp/util/exit_code.h" |
| #include "src/main/cpp/util/file.h" |
| #include "src/main/cpp/util/logging.h" |
| #include "src/main/cpp/util/numbers.h" |
| #include "src/main/cpp/util/path.h" |
| #include "src/main/cpp/util/path_platform.h" |
| #include "src/main/cpp/util/strings.h" |
| #include "src/main/cpp/workspace_layout.h" |
| |
| namespace blaze { |
| |
| using std::string; |
| using std::vector; |
| |
| void StartupOptions::RegisterNullaryStartupFlag(const std::string &flag_name, |
| bool *flag_value) { |
| all_nullary_startup_flags_[std::string("--") + flag_name] = flag_value; |
| all_nullary_startup_flags_[std::string("--no") + flag_name] = flag_value; |
| } |
| |
| void StartupOptions::RegisterNullaryStartupFlagNoRc( |
| const std::string &flag_name, bool *flag_value) { |
| RegisterNullaryStartupFlag(flag_name, flag_value); |
| no_rc_nullary_startup_flags_.insert(std::string("--") + flag_name); |
| no_rc_nullary_startup_flags_.insert(std::string("--no") + flag_name); |
| } |
| |
| void StartupOptions::RegisterSpecialNullaryStartupFlag( |
| const std::string &flag_name, SpecialNullaryFlagHandler handler) { |
| RegisterNullaryStartupFlag(flag_name, nullptr); |
| special_nullary_startup_flags_[std::string("--") + flag_name] = handler; |
| special_nullary_startup_flags_[std::string("--no") + flag_name] = handler; |
| } |
| |
| void StartupOptions::RegisterUnaryStartupFlag(const std::string &flag_name) { |
| valid_unary_startup_flags_.insert(std::string("--") + flag_name); |
| } |
| |
| void StartupOptions::OverrideOptionSourcesKey(const std::string &flag_name, |
| const std::string &new_name) { |
| option_sources_key_override_[flag_name] = new_name; |
| } |
| |
| StartupOptions::StartupOptions(const string &product_name, |
| const WorkspaceLayout *workspace_layout) |
| : product_name(product_name), |
| ignore_all_rc_files(false), |
| deep_execroot(true), |
| block_for_lock(true), |
| host_jvm_debug(false), |
| batch(false), |
| batch_cpu_scheduling(false), |
| io_nice_level(-1), |
| shutdown_on_low_sys_mem(false), |
| oom_more_eagerly(false), |
| oom_more_eagerly_threshold(100), |
| write_command_log(true), |
| watchfs(false), |
| fatal_event_bus_exceptions(false), |
| command_port(0), |
| connect_timeout_secs(30), |
| have_invocation_policy_(false), |
| client_debug(false), |
| java_logging_formatter( |
| "com.google.devtools.build.lib.util.SingleLineFormatter"), |
| expand_configs_in_place(true), |
| digest_function(), |
| idle_server_tasks(true), |
| original_startup_options_(std::vector<RcStartupFlag>()), |
| #if defined(__APPLE__) |
| macos_qos_class(QOS_CLASS_DEFAULT), |
| #endif |
| unlimit_coredumps(false), |
| incompatible_enable_execution_transition(false) { |
| if (blaze::IsRunningWithinTest()) { |
| output_root = blaze_util::MakeAbsolute(blaze::GetPathEnv("TEST_TMPDIR")); |
| max_idle_secs = 15; |
| BAZEL_LOG(USER) << "$TEST_TMPDIR defined: output root default is '" |
| << output_root << "' and max_idle_secs default is '" |
| << max_idle_secs << "'."; |
| } else { |
| output_root = workspace_layout->GetOutputRoot(); |
| max_idle_secs = 3 * 3600; |
| BAZEL_LOG(INFO) << "output root is '" << output_root |
| << "' and max_idle_secs default is '" << max_idle_secs |
| << "'."; |
| } |
| |
| #if defined(_WIN32) || defined(__CYGWIN__) |
| string windows_unix_root = DetectBashAndExportBazelSh(); |
| if (!windows_unix_root.empty()) { |
| host_jvm_args.push_back(string("-Dbazel.windows_unix_root=") + |
| windows_unix_root); |
| } |
| #endif // defined(_WIN32) || defined(__CYGWIN__) |
| |
| const string product_name_lower = GetLowercaseProductName(); |
| output_user_root = blaze_util::JoinPath( |
| output_root, "_" + product_name_lower + "_" + GetUserName()); |
| |
| // IMPORTANT: Before modifying the statements below please contact a Bazel |
| // core team member that knows the internal procedure for adding/deprecating |
| // startup flags. |
| RegisterNullaryStartupFlag("batch", &batch); |
| RegisterNullaryStartupFlag("batch_cpu_scheduling", &batch_cpu_scheduling); |
| RegisterNullaryStartupFlag("block_for_lock", &block_for_lock); |
| RegisterNullaryStartupFlag("client_debug", &client_debug); |
| RegisterNullaryStartupFlag("deep_execroot", &deep_execroot); |
| RegisterNullaryStartupFlag("expand_configs_in_place", |
| &expand_configs_in_place); |
| RegisterNullaryStartupFlag("experimental_oom_more_eagerly", |
| &oom_more_eagerly); |
| RegisterNullaryStartupFlag("fatal_event_bus_exceptions", |
| &fatal_event_bus_exceptions); |
| RegisterNullaryStartupFlag("host_jvm_debug", &host_jvm_debug); |
| RegisterNullaryStartupFlag("idle_server_tasks", &idle_server_tasks); |
| RegisterNullaryStartupFlag("incompatible_enable_execution_transition", |
| &incompatible_enable_execution_transition); |
| RegisterNullaryStartupFlag("shutdown_on_low_sys_mem", |
| &shutdown_on_low_sys_mem); |
| RegisterNullaryStartupFlagNoRc("ignore_all_rc_files", &ignore_all_rc_files); |
| RegisterNullaryStartupFlag("unlimit_coredumps", &unlimit_coredumps); |
| RegisterNullaryStartupFlag("watchfs", &watchfs); |
| RegisterNullaryStartupFlag("write_command_log", &write_command_log); |
| RegisterUnaryStartupFlag("command_port"); |
| RegisterUnaryStartupFlag("connect_timeout_secs"); |
| RegisterUnaryStartupFlag("digest_function"); |
| RegisterUnaryStartupFlag("experimental_oom_more_eagerly_threshold"); |
| RegisterUnaryStartupFlag("server_javabase"); |
| RegisterUnaryStartupFlag("host_jvm_args"); |
| RegisterUnaryStartupFlag("host_jvm_profile"); |
| RegisterUnaryStartupFlag("invocation_policy"); |
| RegisterUnaryStartupFlag("io_nice_level"); |
| RegisterUnaryStartupFlag("install_base"); |
| RegisterUnaryStartupFlag("macos_qos_class"); |
| RegisterUnaryStartupFlag("max_idle_secs"); |
| RegisterUnaryStartupFlag("output_base"); |
| RegisterUnaryStartupFlag("output_user_root"); |
| RegisterUnaryStartupFlag("server_jvm_out"); |
| } |
| |
| StartupOptions::~StartupOptions() {} |
| |
| string StartupOptions::GetLowercaseProductName() const { |
| string lowercase_product_name = product_name; |
| blaze_util::ToLower(&lowercase_product_name); |
| return lowercase_product_name; |
| } |
| |
| bool StartupOptions::IsUnary(const string &arg) const { |
| std::string::size_type i = arg.find_first_of('='); |
| if (i == std::string::npos) { |
| return valid_unary_startup_flags_.find(arg) != |
| valid_unary_startup_flags_.end(); |
| } else { |
| return valid_unary_startup_flags_.find(arg.substr(0, i)) != |
| valid_unary_startup_flags_.end(); |
| } |
| } |
| |
| bool StartupOptions::MaybeCheckValidNullary(const string &arg, bool *result, |
| std::string *error) const { |
| std::string::size_type i = arg.find_first_of('='); |
| if (i == std::string::npos) { |
| *result = all_nullary_startup_flags_.find(arg) != |
| all_nullary_startup_flags_.end(); |
| return true; |
| } |
| std::string f = arg.substr(0, i); |
| if (all_nullary_startup_flags_.find(f) == all_nullary_startup_flags_.end()) { |
| *result = false; |
| return true; |
| } |
| |
| blaze_util::StringPrintf( |
| error, "In argument '%s': option '%s' does not take a value.", |
| arg.c_str(), f.c_str()); |
| return false; |
| } |
| |
| void StartupOptions::AddExtraOptions(vector<string> *result) const { |
| if (incompatible_enable_execution_transition) { |
| result->push_back("--incompatible_enable_execution_transition"); |
| } else { |
| result->push_back("--noincompatible_enable_execution_transition"); |
| } |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::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; |
| |
| bool is_nullary; |
| if (!MaybeCheckValidNullary(argstr, &is_nullary, error)) { |
| *is_space_separated = false; |
| return blaze_exit_code::BAD_ARGV; |
| } |
| |
| if (is_nullary) { |
| // 'enabled' is true if 'argstr' is "--foo", and false if it's "--nofoo". |
| bool enabled = (argstr.compare(0, 4, "--no") != 0); |
| if (no_rc_nullary_startup_flags_.find(argstr) != |
| no_rc_nullary_startup_flags_.end()) { |
| // no_rc_nullary_startup_flags_ are forbidden in .bazelrc files. |
| if (!rcfile.empty()) { |
| *error = std::string("Can't specify ") + argstr + " in the " + |
| GetRcFileBaseName() + " file."; |
| return blaze_exit_code::BAD_ARGV; |
| } |
| } |
| if (special_nullary_startup_flags_.find(argstr) != |
| special_nullary_startup_flags_.end()) { |
| // 'argstr' is either "--foo" or "--nofoo", and the map entry is the |
| // lambda that handles setting the flag's value. |
| special_nullary_startup_flags_[argstr](enabled); |
| } else { |
| // 'argstr' is either "--foo" or "--nofoo", and the map entry is the |
| // pointer to the bool storing the flag's value. |
| *all_nullary_startup_flags_[argstr] = enabled; |
| } |
| // Use the key "foo" for 'argstr' of "--foo" / "--nofoo", unless there's an |
| // overridden name we must use. |
| std::string key = argstr.substr(enabled ? 2 : 4); |
| if (option_sources_key_override_.find(key) != |
| option_sources_key_override_.end()) { |
| key = option_sources_key_override_[key]; |
| } |
| option_sources[key] = rcfile; |
| *is_space_separated = false; |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| if ((value = GetUnaryOption(arg, next_arg, "--output_base")) != NULL) { |
| output_base = blaze_util::Path(blaze::AbsolutePathFromFlag(value)); |
| option_sources["output_base"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, |
| "--install_base")) != NULL) { |
| install_base = blaze::AbsolutePathFromFlag(value); |
| option_sources["install_base"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, |
| "--output_user_root")) != NULL) { |
| output_user_root = blaze::AbsolutePathFromFlag(value); |
| option_sources["output_user_root"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, |
| "--server_jvm_out")) != NULL) { |
| server_jvm_out = blaze_util::Path(blaze::AbsolutePathFromFlag(value)); |
| option_sources["server_jvm_out"] = 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, "--server_javabase")) != |
| NULL) { |
| // TODO(bazel-team): Consider examining the javabase and re-execing in case |
| // of architecture mismatch. |
| explicit_server_javabase_ = |
| blaze_util::Path(blaze::AbsolutePathFromFlag(value)); |
| option_sources["server_javabase"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, "--host_jvm_args")) != |
| NULL) { |
| host_jvm_args.push_back(value); |
| option_sources["host_jvm_args"] = rcfile; // NB: This is incorrect |
| } 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, "--macos_qos_class")) != |
| NULL) { |
| // We parse the value of this flag on all platforms even if it is |
| // macOS-specific to ensure that rc files mentioning it are valid. |
| if (strcmp(value, "user-interactive") == 0) { |
| #if defined(__APPLE__) |
| macos_qos_class = QOS_CLASS_USER_INTERACTIVE; |
| #endif |
| } else if (strcmp(value, "user-initiated") == 0) { |
| #if defined(__APPLE__) |
| macos_qos_class = QOS_CLASS_USER_INITIATED; |
| #endif |
| } else if (strcmp(value, "default") == 0) { |
| #if defined(__APPLE__) |
| macos_qos_class = QOS_CLASS_DEFAULT; |
| #endif |
| } else if (strcmp(value, "utility") == 0) { |
| #if defined(__APPLE__) |
| macos_qos_class = QOS_CLASS_UTILITY; |
| #endif |
| } else if (strcmp(value, "background") == 0) { |
| #if defined(__APPLE__) |
| macos_qos_class = QOS_CLASS_BACKGROUND; |
| #endif |
| } else { |
| blaze_util::StringPrintf( |
| error, "Invalid argument to --macos_qos_class: '%s'.", value); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| option_sources["macos_qos_class"] = rcfile; |
| } else if ((value = GetUnaryOption( |
| arg, next_arg, |
| "--experimental_oom_more_eagerly_threshold")) != NULL) { |
| if (!blaze_util::safe_strto32(value, &oom_more_eagerly_threshold) || |
| oom_more_eagerly_threshold < 0) { |
| blaze_util::StringPrintf(error, |
| "Invalid argument to " |
| "--experimental_oom_more_eagerly_threshold: " |
| "'%s'.", |
| value); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| option_sources["experimental_oom_more_eagerly_threshold"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, |
| "--connect_timeout_secs")) != NULL) { |
| if (!blaze_util::safe_strto32(value, &connect_timeout_secs) || |
| connect_timeout_secs < 1 || connect_timeout_secs > 120) { |
| blaze_util::StringPrintf(error, |
| "Invalid argument to --connect_timeout_secs: '%s'.\n" |
| "Must be an integer between 1 and 120.\n", |
| value); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| option_sources["connect_timeout_secs"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, "--digest_function")) != |
| NULL) { |
| digest_function = value; |
| option_sources["digest_function"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, "--command_port")) != |
| NULL) { |
| if (!blaze_util::safe_strto32(value, &command_port) || |
| command_port < 0 || command_port > 65535) { |
| blaze_util::StringPrintf(error, |
| "Invalid argument to --command_port: '%s'.\n" |
| "Must be a valid port number or 0.\n", |
| value); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| option_sources["command_port"] = rcfile; |
| } else if ((value = GetUnaryOption(arg, next_arg, "--invocation_policy")) != |
| NULL) { |
| if (!have_invocation_policy_) { |
| have_invocation_policy_ = true; |
| invocation_policy = value; |
| option_sources["invocation_policy"] = rcfile; |
| } else { |
| *error = "The startup flag --invocation_policy cannot be specified " |
| "multiple times."; |
| return blaze_exit_code::BAD_ARGV; |
| } |
| } 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 startup option: '%s'.\n" |
| " For more info, run '%s help startup_options'.", |
| arg, GetLowercaseProductName().c_str()); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| } |
| |
| *is_space_separated = ((value == next_arg) && (value != NULL)); |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::ProcessArgs( |
| const std::vector<RcStartupFlag>& rcstartup_flags, |
| std::string *error) { |
| std::vector<RcStartupFlag>::size_type i = 0; |
| while (i < rcstartup_flags.size()) { |
| bool is_space_separated = false; |
| const std::string next_value = |
| (i == rcstartup_flags.size() - 1) ? "" : rcstartup_flags[i + 1].value; |
| const blaze_exit_code::ExitCode process_arg_exit_code = |
| ProcessArg(rcstartup_flags[i].value, next_value, |
| rcstartup_flags[i].source, &is_space_separated, error); |
| // Store the provided option in --flag(=value)? form. Store these before |
| // propagating any error code, since we want to have the correct |
| // information for the output. The fact that the options aren't parseable |
| // doesn't matter for this step. |
| if (is_space_separated) { |
| const std::string combined_value = |
| rcstartup_flags[i].value + "=" + next_value; |
| original_startup_options_.push_back( |
| RcStartupFlag(rcstartup_flags[i].source, combined_value)); |
| i += 2; |
| } else { |
| original_startup_options_.push_back( |
| RcStartupFlag(rcstartup_flags[i].source, rcstartup_flags[i].value)); |
| i++; |
| } |
| |
| if (process_arg_exit_code != blaze_exit_code::SUCCESS) { |
| return process_arg_exit_code; |
| } |
| } |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| blaze_util::Path StartupOptions::GetSystemJavabase() const { |
| return blaze_util::Path(blaze::GetSystemJavabase()); |
| } |
| |
| blaze_util::Path StartupOptions::GetEmbeddedJavabase() const { |
| blaze_util::Path bundled_jre_path = blaze_util::Path( |
| blaze_util::JoinPath(install_base, "embedded_tools/jdk")); |
| if (blaze_util::CanExecuteFile( |
| bundled_jre_path.GetRelative(GetJavaBinaryUnderJavabase()))) { |
| return bundled_jre_path; |
| } |
| return blaze_util::Path(); |
| } |
| |
| std::pair<blaze_util::Path, StartupOptions::JavabaseType> |
| StartupOptions::GetServerJavabaseAndType() const { |
| // 1) Allow overriding the server_javabase via --server_javabase. |
| if (!explicit_server_javabase_.IsEmpty()) { |
| return std::pair<blaze_util::Path, JavabaseType>(explicit_server_javabase_, |
| JavabaseType::EXPLICIT); |
| } |
| if (default_server_javabase_.first.IsEmpty()) { |
| blaze_util::Path bundled_jre_path = GetEmbeddedJavabase(); |
| if (!bundled_jre_path.IsEmpty()) { |
| // 2) Use a bundled JVM if we have one. |
| default_server_javabase_ = std::pair<blaze_util::Path, JavabaseType>( |
| bundled_jre_path, JavabaseType::EMBEDDED); |
| } else { |
| // 3) Otherwise fall back to using the default system JVM. |
| blaze_util::Path system_javabase = GetSystemJavabase(); |
| if (system_javabase.IsEmpty()) { |
| BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR) |
| << "Could not find system javabase. Ensure JAVA_HOME is set, or " |
| "javac is on your PATH."; |
| } |
| default_server_javabase_ = std::pair<blaze_util::Path, JavabaseType>( |
| system_javabase, JavabaseType::SYSTEM); |
| } |
| } |
| return default_server_javabase_; |
| } |
| |
| blaze_util::Path StartupOptions::GetServerJavabase() const { |
| return GetServerJavabaseAndType().first; |
| } |
| |
| blaze_util::Path StartupOptions::GetExplicitServerJavabase() const { |
| return explicit_server_javabase_; |
| } |
| |
| blaze_util::Path StartupOptions::GetJvm() const { |
| auto javabase_and_type = GetServerJavabaseAndType(); |
| blaze_exit_code::ExitCode sanity_check_code = |
| SanityCheckJavabase(javabase_and_type.first, javabase_and_type.second); |
| if (sanity_check_code != blaze_exit_code::SUCCESS) { |
| exit(sanity_check_code); |
| } |
| return javabase_and_type.first.GetRelative(GetJavaBinaryUnderJavabase()); |
| } |
| |
| // Prints an appropriate error message and returns an appropriate error exit |
| // code for a server javabase which failed sanity checks. |
| static blaze_exit_code::ExitCode BadServerJavabaseError( |
| StartupOptions::JavabaseType javabase_type, |
| const std::map<string, string> &option_sources) { |
| switch (javabase_type) { |
| case StartupOptions::JavabaseType::EXPLICIT: { |
| auto source = option_sources.find("server_javabase"); |
| string rc_file; |
| if (source != option_sources.end() && !source->second.empty()) { |
| rc_file = source->second; |
| } |
| BAZEL_LOG(ERROR) |
| << " The java path was specified by a '--server_javabase' option " + |
| (rc_file.empty() ? "on the command line" : "in " + rc_file); |
| return blaze_exit_code::BAD_ARGV; |
| } |
| case StartupOptions::JavabaseType::EMBEDDED: |
| BAZEL_LOG(ERROR) << " Internal error: embedded JDK fails sanity check."; |
| return blaze_exit_code::INTERNAL_ERROR; |
| case StartupOptions::JavabaseType::SYSTEM: |
| return blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR; |
| default: |
| BAZEL_LOG(ERROR) |
| << " Internal error: server javabase type was not initialized."; |
| // Fall through. |
| } |
| return blaze_exit_code::INTERNAL_ERROR; |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::SanityCheckJavabase( |
| const blaze_util::Path &javabase, |
| StartupOptions::JavabaseType javabase_type) const { |
| blaze_util::Path java_program = |
| javabase.GetRelative(GetJavaBinaryUnderJavabase()); |
| if (!blaze_util::CanExecuteFile(java_program)) { |
| if (!blaze_util::PathExists(java_program)) { |
| BAZEL_LOG(ERROR) << "Couldn't find java at '" |
| << java_program.AsPrintablePath() << "'."; |
| } else { |
| string err = blaze_util::GetLastErrorString(); |
| BAZEL_LOG(ERROR) << "Java at '" << java_program.AsPrintablePath() |
| << "' exists but is not executable: " << err; |
| } |
| return BadServerJavabaseError(javabase_type, option_sources); |
| } |
| if ( // If the full JDK is installed |
| blaze_util::CanReadFile(javabase.GetRelative("jre/lib/rt.jar")) || |
| // If just the JRE is installed |
| blaze_util::CanReadFile(javabase.GetRelative("lib/rt.jar")) || |
| // rt.jar does not exist in java 9+ so check for java instead |
| blaze_util::CanReadFile(javabase.GetRelative("bin/java")) || |
| blaze_util::CanReadFile(javabase.GetRelative("bin/java.exe"))) { |
| return blaze_exit_code::SUCCESS; |
| } |
| BAZEL_LOG(ERROR) << "Problem with java installation: couldn't find/access " |
| "rt.jar or java in " |
| << javabase.AsPrintablePath(); |
| return BadServerJavabaseError(javabase_type, option_sources); |
| } |
| |
| blaze_util::Path StartupOptions::GetExe(const blaze_util::Path &jvm, |
| const string &jar_path) const { |
| return jvm; |
| } |
| |
| void StartupOptions::AddJVMArgumentPrefix(const blaze_util::Path &javabase, |
| std::vector<string> *result) const {} |
| |
| void StartupOptions::AddJVMArgumentSuffix( |
| const blaze_util::Path &real_install_dir, const string &jar_path, |
| std::vector<string> *result) const { |
| result->push_back("-jar"); |
| result->push_back(real_install_dir.GetRelative(jar_path).AsJvmArgument()); |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::AddJVMArguments( |
| const blaze_util::Path &server_javabase, std::vector<string> *result, |
| const vector<string> &user_options, string *error) const { |
| AddJVMLoggingArguments(result); |
| |
| // Disable the JVM's own unlimiting of file descriptors. We do this |
| // ourselves in blaze.cc so we want our setting to propagate to the JVM. |
| // |
| // The reason to do this is that the JVM's unlimiting is suboptimal on |
| // macOS. Under that platform, the JVM limits the open file descriptors |
| // to the OPEN_MAX constant... which is much lower than the per-process |
| // kernel allowed limit of kern.maxfilesperproc (which is what we set |
| // ourselves to). |
| result->push_back("-XX:-MaxFDLimit"); |
| |
| return AddJVMMemoryArguments(server_javabase, result, user_options, error); |
| } |
| |
| static std::string GetSimpleLogHandlerProps( |
| const blaze_util::Path &java_log, |
| const std::string &java_logging_formatter) { |
| return "handlers=com.google.devtools.build.lib.util.SimpleLogHandler\n" |
| ".level=INFO\n" |
| "com.google.devtools.build.lib.util.SimpleLogHandler.level=INFO\n" |
| "com.google.devtools.build.lib.util.SimpleLogHandler.prefix=" + |
| java_log.AsJvmArgument() + |
| "\n" |
| "com.google.devtools.build.lib.util.SimpleLogHandler.limit=1024000\n" |
| "com.google.devtools.build.lib.util.SimpleLogHandler.total_limit=" |
| "20971520\n" // 20 MB. |
| "com.google.devtools.build.lib.util.SimpleLogHandler.formatter=" + |
| java_logging_formatter + "\n"; |
| } |
| |
| void StartupOptions::AddJVMLoggingArguments(std::vector<string> *result) const { |
| // Configure logging |
| const blaze_util::Path propFile = |
| output_base.GetRelative("javalog.properties"); |
| const blaze_util::Path java_log = output_base.GetRelative("java.log"); |
| const std::string loggingProps = |
| GetSimpleLogHandlerProps(java_log, java_logging_formatter); |
| |
| if (!blaze_util::WriteFile(loggingProps, propFile)) { |
| perror( |
| ("Couldn't write logging file " + propFile.AsPrintablePath()).c_str()); |
| } else { |
| result->push_back("-Djava.util.logging.config.file=" + |
| propFile.AsJvmArgument()); |
| result->push_back( |
| "-Dcom.google.devtools.build.lib.util.LogHandlerQuerier.class=" |
| "com.google.devtools.build.lib.util.SimpleLogHandler$HandlerQuerier"); |
| } |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::AddJVMMemoryArguments( |
| const blaze_util::Path &, std::vector<string> *, const vector<string> &, |
| string *) const { |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| } // namespace blaze |
