libuv-svace-build

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include "uv.h"
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#include "task.h"
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#include <string.h>
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TEST_IMPL(platform_output) {
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  char buffer[512];
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  size_t rss;
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  size_t size;
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  double uptime;
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  uv_pid_t pid;
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  uv_pid_t ppid;
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  uv_rusage_t rusage;
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  uv_cpu_info_t* cpus;
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  uv_interface_address_t* interfaces;
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  uv_passwd_t pwd;
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  uv_group_t grp;
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  uv_utsname_t uname;
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  unsigned par;
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  char* const* member;
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  int count;
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  int i;
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  int err;
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  err = uv_get_process_title(buffer, sizeof(buffer));
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  ASSERT_OK(err);
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  printf("uv_get_process_title: %s\n", buffer);
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  size = sizeof(buffer);
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  err = uv_cwd(buffer, &size);
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  ASSERT_OK(err);
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  printf("uv_cwd: %s\n", buffer);
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  err = uv_resident_set_memory(&rss);
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#if defined(__MSYS__)
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  ASSERT_EQ(err, UV_ENOSYS);
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#else
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  ASSERT_OK(err);
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  printf("uv_resident_set_memory: %llu\n", (unsigned long long) rss);
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#endif
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  err = uv_uptime(&uptime);
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#if defined(__PASE__)
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  ASSERT_EQ(err, UV_ENOSYS);
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#else
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  ASSERT_OK(err);
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  ASSERT_GT(uptime, 0);
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  printf("uv_uptime: %f\n", uptime);
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#endif
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  err = uv_getrusage(&rusage);
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  ASSERT_OK(err);
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  ASSERT_GE(rusage.ru_utime.tv_sec, 0);
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  ASSERT_GE(rusage.ru_utime.tv_usec, 0);
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  ASSERT_GE(rusage.ru_stime.tv_sec, 0);
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  ASSERT_GE(rusage.ru_stime.tv_usec, 0);
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  printf("uv_getrusage:\n");
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  printf("  user: %llu sec %llu microsec\n",
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         (unsigned long long) rusage.ru_utime.tv_sec,
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         (unsigned long long) rusage.ru_utime.tv_usec);
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  printf("  system: %llu sec %llu microsec\n",
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         (unsigned long long) rusage.ru_stime.tv_sec,
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         (unsigned long long) rusage.ru_stime.tv_usec);
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  printf("  page faults: %llu\n", (unsigned long long) rusage.ru_majflt);
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  printf("  maximum resident set size: %llu\n",
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         (unsigned long long) rusage.ru_maxrss);
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  par = uv_available_parallelism();
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  ASSERT_GE(par, 1);
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  printf("uv_available_parallelism: %u\n", par);
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#ifdef __linux__
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  FILE* file;
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  int cgroup_version = 0;
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  unsigned int cgroup_par = 0;
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  uint64_t quota, period;
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  // Attempt to parse cgroup v2 to deduce parallelism constraints
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  file = fopen("/sys/fs/cgroup/cpu.max", "r");
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  if (file) {
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    if (fscanf(file, "%lu %lu", &quota, &period) == 2 && quota > 0) {
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      cgroup_version = 2;
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      cgroup_par = (unsigned int)(quota / period);
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    }
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    fclose(file);
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  }
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  // If cgroup v2 wasn't present, try parsing cgroup v1
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  if (cgroup_version == 0) {
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    file = fopen("/sys/fs/cgroup/cpu,cpuacct/cpu.cfs_quota_us", "r");
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    if (file) {
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      if (fscanf(file, "%lu", &quota) == 1 && quota > 0 && quota < ~0ULL) {
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        fclose(file);
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        file = fopen("/sys/fs/cgroup/cpu,cpuacct/cpu.cfs_period_us", "r");
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        if (file && fscanf(file, "%lu", &period) == 1) {
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          cgroup_version = 1;
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          cgroup_par = (unsigned int)(quota / period);
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        }
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      }
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      if (file) fclose(file);
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    }
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  }
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  // If we found cgroup parallelism constraints, assert and print them
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  if (cgroup_par > 0) {
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    ASSERT_GE(par, cgroup_par);
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    printf("cgroup v%d available parallelism: %u\n", cgroup_version, cgroup_par);
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  }
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#endif
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  err = uv_cpu_info(&cpus, &count);
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#if defined(__CYGWIN__) || defined(__MSYS__)
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  ASSERT_EQ(err, UV_ENOSYS);
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#else
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  ASSERT_OK(err);
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  printf("uv_cpu_info:\n");
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  for (i = 0; i < count; i++) {
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    printf("  model: %s\n", cpus[i].model);
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    printf("  speed: %d\n", cpus[i].speed);
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    printf("  times.sys: %llu\n", (unsigned long long) cpus[i].cpu_times.sys);
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    printf("  times.user: %llu\n",
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           (unsigned long long) cpus[i].cpu_times.user);
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    printf("  times.idle: %llu\n",
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           (unsigned long long) cpus[i].cpu_times.idle);
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    printf("  times.irq: %llu\n",  (unsigned long long) cpus[i].cpu_times.irq);
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    printf("  times.nice: %llu\n",
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           (unsigned long long) cpus[i].cpu_times.nice);
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  }
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#endif
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  uv_free_cpu_info(cpus, count);
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  err = uv_interface_addresses(&interfaces, &count);
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  ASSERT_OK(err);
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  printf("uv_interface_addresses:\n");
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  for (i = 0; i < count; i++) {
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    printf("  name: %s\n", interfaces[i].name);
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    printf("  internal: %d\n", interfaces[i].is_internal);
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    printf("  physical address: ");
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    printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
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           (unsigned char)interfaces[i].phys_addr[0],
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           (unsigned char)interfaces[i].phys_addr[1],
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           (unsigned char)interfaces[i].phys_addr[2],
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           (unsigned char)interfaces[i].phys_addr[3],
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           (unsigned char)interfaces[i].phys_addr[4],
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           (unsigned char)interfaces[i].phys_addr[5]);
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    if (interfaces[i].address.address4.sin_family == AF_INET) {
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      uv_ip4_name(&interfaces[i].address.address4, buffer, sizeof(buffer));
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    } else if (interfaces[i].address.address4.sin_family == AF_INET6) {
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      uv_ip6_name(&interfaces[i].address.address6, buffer, sizeof(buffer));
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    }
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    printf("  address: %s\n", buffer);
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    if (interfaces[i].netmask.netmask4.sin_family == AF_INET) {
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      uv_ip4_name(&interfaces[i].netmask.netmask4, buffer, sizeof(buffer));
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      printf("  netmask: %s\n", buffer);
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    } else if (interfaces[i].netmask.netmask4.sin_family == AF_INET6) {
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      uv_ip6_name(&interfaces[i].netmask.netmask6, buffer, sizeof(buffer));
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      printf("  netmask: %s\n", buffer);
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    } else {
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      printf("  netmask: none\n");
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    }
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  }
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  uv_free_interface_addresses(interfaces, count);
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  err = uv_os_get_passwd(&pwd);
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  ASSERT_OK(err);
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  err = uv_os_get_group(&grp, pwd.gid);
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#if defined(_WIN32)
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  ASSERT_EQ(err, UV_ENOTSUP);
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  ASSERT_EQ(pwd.uid, (unsigned long) -1);
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  ASSERT_EQ(pwd.gid, (unsigned long) -1);
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  (void) member;
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  grp.groupname = "ENOTSUP";
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#else
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  ASSERT_OK(err);
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  ASSERT_EQ(pwd.gid, grp.gid);
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#endif
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  printf("uv_os_get_passwd:\n");
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  printf("  euid: %ld\n", pwd.uid);
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  printf("  gid: %ld (%s)\n", pwd.gid, grp.groupname);
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#if !defined(_WIN32)
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  printf("    members: [");
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  for (member = grp.members; *member != NULL; member++) {
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    printf(" %s", *member);
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  }
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  printf(" ]\n");
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#endif
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  printf("  username: %s\n", pwd.username);
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  if (pwd.shell != NULL) /* Not set on Windows */
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    printf("  shell: %s\n", pwd.shell);
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  printf("  home directory: %s\n", pwd.homedir);
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  uv_os_free_passwd(&pwd);
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#if !defined(_WIN32)
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  uv_os_free_group(&grp);
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#endif
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  pid = uv_os_getpid();
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  ASSERT_GT(pid, 0);
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  printf("uv_os_getpid: %d\n", (int) pid);
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  ppid = uv_os_getppid();
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  ASSERT_GT(ppid, 0);
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  printf("uv_os_getppid: %d\n", (int) ppid);
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  err = uv_os_uname(&uname);
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  ASSERT_OK(err);
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  printf("uv_os_uname:\n");
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  printf("  sysname: %s\n", uname.sysname);
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  printf("  release: %s\n", uname.release);
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  printf("  version: %s\n", uname.version);
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  printf("  machine: %s\n", uname.machine);
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  return 0;
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}
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