| // 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 <errno.h> // errno, ENOENT |
| #include <string.h> // strerror |
| |
| #include <cstdio> |
| #include <cstdlib> |
| |
| #include "src/main/cpp/blaze_util_platform.h" |
| #include "src/main/cpp/blaze_util.h" |
| #include "src/main/cpp/util/exit_code.h" |
| #include "src/main/cpp/util/file.h" |
| #include "src/main/cpp/util/file_platform.h" |
| #include "src/main/cpp/util/numbers.h" |
| #include "src/main/cpp/util/strings.h" |
| #include "src/main/cpp/workspace_layout.h" |
| |
| namespace blaze { |
| |
| using std::string; |
| using std::vector; |
| |
| StartupOptions::StartupOptions() : StartupOptions("Bazel") {} |
| |
| StartupOptions::StartupOptions(const string &product_name) |
| : product_name(product_name), |
| deep_execroot(true), |
| block_for_lock(true), |
| host_jvm_debug(false), |
| batch(false), |
| batch_cpu_scheduling(false), |
| io_nice_level(-1), |
| oom_more_eagerly(false), |
| oom_more_eagerly_threshold(100), |
| write_command_log(true), |
| watchfs(false), |
| allow_configurable_attributes(false), |
| fatal_event_bus_exceptions(false), |
| command_port(0), |
| connect_timeout_secs(10), |
| invocation_policy(NULL), |
| client_debug(false) { |
| bool testing = !blaze::GetEnv("TEST_TMPDIR").empty(); |
| if (testing) { |
| output_root = MakeAbsolute(blaze::GetEnv("TEST_TMPDIR")); |
| } else { |
| output_root = WorkspaceLayout::GetOutputRoot(); |
| } |
| |
| const string product_name_lower = GetLowercaseProductName(); |
| output_user_root = blaze_util::JoinPath( |
| output_root, "_" + product_name_lower + "_" + GetUserName()); |
| // 3 hours (but only 15 seconds if used within a test) |
| max_idle_secs = testing ? 15 : (3 * 3600); |
| nullary_options = {"deep_execroot", "block_for_lock", |
| "host_jvm_debug", "master_blazerc", "master_bazelrc", "batch", |
| "batch_cpu_scheduling", "allow_configurable_attributes", |
| "fatal_event_bus_exceptions", "experimental_oom_more_eagerly", |
| "write_command_log", "watchfs", "client_debug"}; |
| unary_options = {"output_base", "install_base", |
| "output_user_root", "host_jvm_profile", "host_javabase", |
| "host_jvm_args", "bazelrc", "blazerc", "io_nice_level", |
| "max_idle_secs", "experimental_oom_more_eagerly_threshold", |
| "command_port", "invocation_policy", "connect_timeout_secs"}; |
| } |
| |
| StartupOptions::~StartupOptions() {} |
| |
| string StartupOptions::GetLowercaseProductName() const { |
| string lowercase_product_name = product_name; |
| blaze_util::ToLower(&lowercase_product_name); |
| return lowercase_product_name; |
| } |
| |
| bool StartupOptions::IsNullary(const string& arg) const { |
| for (string option : nullary_options) { |
| if (GetNullaryOption(arg.c_str(), ("--" + option).c_str()) || |
| GetNullaryOption(arg.c_str(), ("--no" + option).c_str())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| bool StartupOptions::IsUnary(const string& arg) const { |
| for (string option : unary_options) { |
| // The second argument of GetUnaryOption is not relevant to determine |
| // whether the option is unary or not, hence we set it to the empty string |
| // by default. |
| // |
| // TODO(lpino): Improve GetUnaryOption to only require the arg and the |
| // option we are looking for. |
| if (GetUnaryOption(arg.c_str(), "", ("--" + option).c_str()) != NULL) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void StartupOptions::AddExtraOptions(vector<string> *result) const {} |
| |
| 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; |
| |
| 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, "--deep_execroot")) { |
| deep_execroot = true; |
| option_sources["deep_execroot"] = rcfile; |
| } else if (GetNullaryOption(arg, "--nodeep_execroot")) { |
| deep_execroot = false; |
| option_sources["deep_execroot"] = 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 re-execing in case |
| // of architecture mismatch. |
| host_javabase = MakeAbsolute(value); |
| option_sources["host_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, "--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 (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, "--experimental_oom_more_eagerly")) { |
| oom_more_eagerly = true; |
| option_sources["experimental_oom_more_eagerly"] = rcfile; |
| } else if (GetNullaryOption(arg, "--noexperimental_oom_more_eagerly")) { |
| oom_more_eagerly = false; |
| option_sources["experimental_oom_more_eagerly"] = 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 (GetNullaryOption(arg, "--write_command_log")) { |
| write_command_log = true; |
| option_sources["write_command_log"] = rcfile; |
| } else if (GetNullaryOption(arg, "--nowrite_command_log")) { |
| write_command_log = false; |
| option_sources["write_command_log"] = rcfile; |
| } else if (GetNullaryOption(arg, "--watchfs")) { |
| watchfs = true; |
| option_sources["watchfs"] = rcfile; |
| } else if (GetNullaryOption(arg, "--nowatchfs")) { |
| watchfs = false; |
| option_sources["watchfs"] = rcfile; |
| } else if (GetNullaryOption(arg, "--client_debug")) { |
| client_debug = true; |
| option_sources["client_debug"] = rcfile; |
| } else if (GetNullaryOption(arg, "--noclient_debug")) { |
| client_debug = false; |
| option_sources["client_debug"] = 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, "--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 (invocation_policy == NULL) { |
| 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 %s startup option: '%s'.\n" |
| " For more info, run '%s help startup_options'.", |
| product_name.c_str(), arg, product_name.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::ProcessArgExtra( |
| const char *arg, const char *next_arg, const string &rcfile, |
| const char **value, bool *is_processed, string *error) { |
| *is_processed = false; |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| string StartupOptions::GetDefaultHostJavabase() const { |
| return blaze::GetDefaultHostJavabase(); |
| } |
| |
| string StartupOptions::GetHostJavabase() { |
| if (host_javabase.empty()) { |
| host_javabase = GetDefaultHostJavabase(); |
| } |
| return host_javabase; |
| } |
| |
| string StartupOptions::GetJvm() { |
| string java_program = GetHostJavabase() + "/bin/java"; |
| if (!blaze_util::CanAccess(java_program, false, false, true)) { |
| if (!blaze_util::PathExists(java_program)) { |
| fprintf(stderr, "Couldn't find java at '%s'.\n", java_program.c_str()); |
| } else { |
| fprintf(stderr, "Couldn't access %s: %s\n", java_program.c_str(), |
| strerror(errno)); |
| } |
| exit(1); |
| } |
| // If the full JDK is installed |
| string jdk_rt_jar = GetHostJavabase() + "/jre/lib/rt.jar"; |
| // If just the JRE is installed |
| string jre_rt_jar = GetHostJavabase() + "/lib/rt.jar"; |
| if (blaze_util::CanAccess(jdk_rt_jar, true, false, false) |
| || blaze_util::CanAccess(jre_rt_jar, true, false, false)) { |
| return java_program; |
| } |
| fprintf(stderr, "Problem with java installation: " |
| "couldn't find/access rt.jar in %s\n", GetHostJavabase().c_str()); |
| exit(1); |
| } |
| |
| string StartupOptions::GetExe(const string &jvm, const string &jar_path) { |
| return jvm; |
| } |
| |
| void StartupOptions::AddJVMArgumentPrefix(const string &javabase, |
| std::vector<string> *result) const { |
| } |
| |
| void StartupOptions::AddJVMArgumentSuffix(const string &real_install_dir, |
| const string &jar_path, |
| std::vector<string> *result) const { |
| result->push_back("-jar"); |
| result->push_back(blaze::ConvertPath( |
| blaze_util::JoinPath(real_install_dir, jar_path))); |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::AddJVMArguments( |
| const string &host_javabase, vector<string> *result, |
| const vector<string> &user_options, string *error) const { |
| // Configure logging |
| const string propFile = output_base + "/javalog.properties"; |
| if (!blaze_util::WriteFile("handlers=java.util.logging.FileHandler\n" |
| ".level=INFO\n" |
| "java.util.logging.FileHandler.level=INFO\n" |
| "java.util.logging.FileHandler.pattern=" + |
| output_base + |
| "/java.log\n" |
| "java.util.logging.FileHandler.limit=50000\n" |
| "java.util.logging.FileHandler.count=1\n" |
| "java.util.logging.FileHandler.formatter=" |
| "java.util.logging.SimpleFormatter\n", |
| propFile)) { |
| perror(("Couldn't write logging file " + propFile).c_str()); |
| } else { |
| result->push_back("-Djava.util.logging.config.file=" + propFile); |
| } |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| blaze_exit_code::ExitCode StartupOptions::ValidateStartupOptions( |
| const std::vector<string>& args, string* error) { |
| return blaze_exit_code::SUCCESS; |
| } |
| |
| } // namespace blaze |
