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); +} |