diff options
Diffstat (limited to 'third-party/libuv/src/unix/aix.c')
| -rw-r--r-- | third-party/libuv/src/unix/aix.c | 399 | 
1 files changed, 399 insertions, 0 deletions
| diff --git a/third-party/libuv/src/unix/aix.c b/third-party/libuv/src/unix/aix.c new file mode 100644 index 0000000000..2521681305 --- /dev/null +++ b/third-party/libuv/src/unix/aix.c @@ -0,0 +1,399 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "uv.h" +#include "internal.h" + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <errno.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <net/if.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <sys/time.h> +#include <unistd.h> +#include <fcntl.h> +#include <utmp.h> + +#include <sys/protosw.h> +#include <libperfstat.h> +#include <sys/proc.h> +#include <sys/procfs.h> + +uint64_t uv__hrtime(uv_clocktype_t type) { +  uint64_t G = 1000000000; +  timebasestruct_t t; +  read_wall_time(&t, TIMEBASE_SZ); +  time_base_to_time(&t, TIMEBASE_SZ); +  return (uint64_t) t.tb_high * G + t.tb_low; +} + + +/* + * We could use a static buffer for the path manipulations that we need outside + * of the function, but this function could be called by multiple consumers and + * we don't want to potentially create a race condition in the use of snprintf. + */ +int uv_exepath(char* buffer, size_t* size) { +  ssize_t res; +  char pp[64], cwdl[PATH_MAX]; +  struct psinfo ps; +  int fd; + +  if (buffer == NULL) +    return (-1); + +  if (size == NULL) +    return (-1); + +  (void) snprintf(pp, sizeof(pp), "/proc/%lu/cwd", (unsigned long) getpid()); + +  res = readlink(pp, cwdl, sizeof(cwdl) - 1); +  if (res < 0) +    return res; + +  cwdl[res] = '\0'; + +  (void) snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid()); +  fd = open(pp, O_RDONLY); +  if (fd < 0) +    return fd; + +  res = read(fd, &ps, sizeof(ps)); +  uv__close(fd); +  if (res < 0) +    return res; + +  (void) snprintf(buffer, *size, "%s%s", cwdl, ps.pr_fname); +  *size = strlen(buffer); +  return 0; +} + + +uint64_t uv_get_free_memory(void) { +  perfstat_memory_total_t mem_total; +  int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1); +  if (result == -1) { +    return 0; +  } +  return mem_total.real_free * 4096; +} + + +uint64_t uv_get_total_memory(void) { +  perfstat_memory_total_t mem_total; +  int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1); +  if (result == -1) { +    return 0; +  } +  return mem_total.real_total * 4096; +} + + +void uv_loadavg(double avg[3]) { +  perfstat_cpu_total_t ps_total; +  int result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1); +  if (result == -1) { +    avg[0] = 0.; avg[1] = 0.; avg[2] = 0.; +    return; +  } +  avg[0] = ps_total.loadavg[0] / (double)(1 << SBITS); +  avg[1] = ps_total.loadavg[1] / (double)(1 << SBITS); +  avg[2] = ps_total.loadavg[2] / (double)(1 << SBITS); +} + + +int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { +  return -ENOSYS; +} + + +int uv_fs_event_start(uv_fs_event_t* handle, +                      uv_fs_event_cb cb, +                      const char* filename, +                      unsigned int flags) { +  return -ENOSYS; +} + + +int uv_fs_event_stop(uv_fs_event_t* handle) { +  return -ENOSYS; +} + + +void uv__fs_event_close(uv_fs_event_t* handle) { +  UNREACHABLE(); +} + + +char** uv_setup_args(int argc, char** argv) { +  return argv; +} + + +int uv_set_process_title(const char* title) { +  return 0; +} + + +int uv_get_process_title(char* buffer, size_t size) { +  if (size > 0) { +    buffer[0] = '\0'; +  } +  return 0; +} + + +int uv_resident_set_memory(size_t* rss) { +  char pp[64]; +  psinfo_t psinfo; +  int err; +  int fd; + +  (void) snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid()); + +  fd = open(pp, O_RDONLY); +  if (fd == -1) +    return -errno; + +  /* FIXME(bnoordhuis) Handle EINTR. */ +  err = -EINVAL; +  if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo)) { +    *rss = (size_t)psinfo.pr_rssize * 1024; +    err = 0; +  } +  uv__close(fd); + +  return err; +} + + +int uv_uptime(double* uptime) { +  struct utmp *utmp_buf; +  size_t entries = 0; +  time_t boot_time; + +  utmpname(UTMP_FILE); + +  setutent(); + +  while ((utmp_buf = getutent()) != NULL) { +    if (utmp_buf->ut_user[0] && utmp_buf->ut_type == USER_PROCESS) +      ++entries; +    if (utmp_buf->ut_type == BOOT_TIME) +      boot_time = utmp_buf->ut_time; +  } + +  endutent(); + +  if (boot_time == 0) +    return -ENOSYS; + +  *uptime = time(NULL) - boot_time; +  return 0; +} + + +int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { +  uv_cpu_info_t* cpu_info; +  perfstat_cpu_total_t ps_total; +  perfstat_cpu_t* ps_cpus; +  perfstat_id_t cpu_id; +  int result, ncpus, idx = 0; + +  result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1); +  if (result == -1) { +    return -ENOSYS; +  } + +  ncpus = result = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0); +  if (result == -1) { +    return -ENOSYS; +  } + +  ps_cpus = (perfstat_cpu_t*) malloc(ncpus * sizeof(perfstat_cpu_t)); +  if (!ps_cpus) { +    return -ENOMEM; +  } + +  strcpy(cpu_id.name, FIRST_CPU); +  result = perfstat_cpu(&cpu_id, ps_cpus, sizeof(perfstat_cpu_t), ncpus); +  if (result == -1) { +    free(ps_cpus); +    return -ENOSYS; +  } + +  *cpu_infos = (uv_cpu_info_t*) malloc(ncpus * sizeof(uv_cpu_info_t)); +  if (!*cpu_infos) { +    free(ps_cpus); +    return -ENOMEM; +  } + +  *count = ncpus; + +  cpu_info = *cpu_infos; +  while (idx < ncpus) { +    cpu_info->speed = (int)(ps_total.processorHZ / 1000000); +    cpu_info->model = strdup(ps_total.description); +    cpu_info->cpu_times.user = ps_cpus[idx].user; +    cpu_info->cpu_times.sys = ps_cpus[idx].sys; +    cpu_info->cpu_times.idle = ps_cpus[idx].idle; +    cpu_info->cpu_times.irq = ps_cpus[idx].wait; +    cpu_info->cpu_times.nice = 0; +    cpu_info++; +    idx++; +  } + +  free(ps_cpus); +  return 0; +} + + +void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) { +  int i; + +  for (i = 0; i < count; ++i) { +    free(cpu_infos[i].model); +  } + +  free(cpu_infos); +} + + +int uv_interface_addresses(uv_interface_address_t** addresses, +  int* count) { +  uv_interface_address_t* address; +  int sockfd, size = 1; +  struct ifconf ifc; +  struct ifreq *ifr, *p, flg; + +  *count = 0; + +  if (0 > (sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP))) { +    return -ENOSYS; +  } + +  if (ioctl(sockfd, SIOCGSIZIFCONF, &size) == -1) { +    uv__close(sockfd); +    return -ENOSYS; +  } + +  ifc.ifc_req = (struct ifreq*)malloc(size); +  ifc.ifc_len = size; +  if (ioctl(sockfd, SIOCGIFCONF, &ifc) == -1) { +    uv__close(sockfd); +    return -ENOSYS; +  } + +#define ADDR_SIZE(p) MAX((p).sa_len, sizeof(p)) + +  /* Count all up and running ipv4/ipv6 addresses */ +  ifr = ifc.ifc_req; +  while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { +    p = ifr; +    ifr = (struct ifreq*) +      ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); + +    if (!(p->ifr_addr.sa_family == AF_INET6 || +          p->ifr_addr.sa_family == AF_INET)) +      continue; + +    memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); +    if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { +      uv__close(sockfd); +      return -ENOSYS; +    } + +    if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) +      continue; + +    (*count)++; +  } + +  /* Alloc the return interface structs */ +  *addresses = (uv_interface_address_t*) +    malloc(*count * sizeof(uv_interface_address_t)); +  if (!(*addresses)) { +    uv__close(sockfd); +    return -ENOMEM; +  } +  address = *addresses; + +  ifr = ifc.ifc_req; +  while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) { +    p = ifr; +    ifr = (struct ifreq*) +      ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr)); + +    if (!(p->ifr_addr.sa_family == AF_INET6 || +          p->ifr_addr.sa_family == AF_INET)) +      continue; + +    memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name)); +    if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) { +      uv__close(sockfd); +      return -ENOSYS; +    } + +    if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING)) +      continue; + +    /* All conditions above must match count loop */ + +    address->name = strdup(p->ifr_name); + +    if (p->ifr_addr.sa_family == AF_INET6) { +      address->address.address6 = *((struct sockaddr_in6*) &p->ifr_addr); +    } else { +      address->address.address4 = *((struct sockaddr_in*) &p->ifr_addr); +    } + +    /* TODO: Retrieve netmask using SIOCGIFNETMASK ioctl */ + +    address->is_internal = flg.ifr_flags & IFF_LOOPBACK ? 1 : 0; + +    address++; +  } + +#undef ADDR_SIZE + +  uv__close(sockfd); +  return 0; +} + + +void uv_free_interface_addresses(uv_interface_address_t* addresses, +  int count) { +  int i; + +  for (i = 0; i < count; ++i) { +    free(addresses[i].name); +  } + +  free(addresses); +} | 
