| /* 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> |
| |
| #if !defined(SUNOS_NO_IFADDRS) && _XOPEN_SOURCE < 600 |
| #define SUNOS_NO_IFADDRS |
| #endif |
| |
| #ifndef SUNOS_NO_IFADDRS |
| # include <ifaddrs.h> |
| #endif |
| #include <net/if.h> |
| #include <net/if_dl.h> |
| #include <net/if_arp.h> |
| #include <sys/sockio.h> |
| |
| #include <sys/loadavg.h> |
| #include <sys/time.h> |
| #include <unistd.h> |
| #include <kstat.h> |
| #include <fcntl.h> |
| |
| #include <sys/port.h> |
| #include <port.h> |
| |
| #define PORT_FIRED 0x69 |
| #define PORT_UNUSED 0x0 |
| #define PORT_LOADED 0x99 |
| #define PORT_DELETED -1 |
| |
| #if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64) |
| #define PROCFS_FILE_OFFSET_BITS_HACK 1 |
| #undef _FILE_OFFSET_BITS |
| #else |
| #define PROCFS_FILE_OFFSET_BITS_HACK 0 |
| #endif |
| |
| #include <procfs.h> |
| |
| #if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1) |
| #define _FILE_OFFSET_BITS 64 |
| #endif |
| |
| |
| int uv__platform_loop_init(uv_loop_t* loop) { |
| int err; |
| int fd; |
| |
| loop->fs_fd = -1; |
| loop->backend_fd = -1; |
| |
| fd = port_create(); |
| if (fd == -1) |
| return UV__ERR(errno); |
| |
| err = uv__cloexec(fd, 1); |
| if (err) { |
| uv__close(fd); |
| return err; |
| } |
| loop->backend_fd = fd; |
| |
| return 0; |
| } |
| |
| |
| void uv__platform_loop_delete(uv_loop_t* loop) { |
| if (loop->fs_fd != -1) { |
| uv__close(loop->fs_fd); |
| loop->fs_fd = -1; |
| } |
| |
| if (loop->backend_fd != -1) { |
| uv__close(loop->backend_fd); |
| loop->backend_fd = -1; |
| } |
| } |
| |
| |
| int uv__io_fork(uv_loop_t* loop) { |
| #if defined(PORT_SOURCE_FILE) |
| if (loop->fs_fd != -1) { |
| /* stop the watcher before we blow away its fileno */ |
| uv__io_stop(loop, &loop->fs_event_watcher, POLLIN); |
| } |
| #endif |
| uv__platform_loop_delete(loop); |
| return uv__platform_loop_init(loop); |
| } |
| |
| |
| void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) { |
| struct port_event* events; |
| uintptr_t i; |
| uintptr_t nfds; |
| |
| assert(loop->watchers != NULL); |
| assert(fd >= 0); |
| |
| events = (struct port_event*) loop->watchers[loop->nwatchers]; |
| nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1]; |
| if (events == NULL) |
| return; |
| |
| /* Invalidate events with same file descriptor */ |
| for (i = 0; i < nfds; i++) |
| if ((int) events[i].portev_object == fd) |
| events[i].portev_object = -1; |
| } |
| |
| |
| int uv__io_check_fd(uv_loop_t* loop, int fd) { |
| if (port_associate(loop->backend_fd, PORT_SOURCE_FD, fd, POLLIN, 0)) |
| return UV__ERR(errno); |
| |
| if (port_dissociate(loop->backend_fd, PORT_SOURCE_FD, fd)) { |
| perror("(libuv) port_dissociate()"); |
| abort(); |
| } |
| |
| return 0; |
| } |
| |
| |
| void uv__io_poll(uv_loop_t* loop, int timeout) { |
| struct port_event events[1024]; |
| struct port_event* pe; |
| struct timespec spec; |
| QUEUE* q; |
| uv__io_t* w; |
| sigset_t* pset; |
| sigset_t set; |
| uint64_t base; |
| uint64_t diff; |
| unsigned int nfds; |
| unsigned int i; |
| int saved_errno; |
| int have_signals; |
| int nevents; |
| int count; |
| int err; |
| int fd; |
| |
| if (loop->nfds == 0) { |
| assert(QUEUE_EMPTY(&loop->watcher_queue)); |
| return; |
| } |
| |
| while (!QUEUE_EMPTY(&loop->watcher_queue)) { |
| q = QUEUE_HEAD(&loop->watcher_queue); |
| QUEUE_REMOVE(q); |
| QUEUE_INIT(q); |
| |
| w = QUEUE_DATA(q, uv__io_t, watcher_queue); |
| assert(w->pevents != 0); |
| |
| if (port_associate(loop->backend_fd, |
| PORT_SOURCE_FD, |
| w->fd, |
| w->pevents, |
| 0)) { |
| perror("(libuv) port_associate()"); |
| abort(); |
| } |
| |
| w->events = w->pevents; |
| } |
| |
| pset = NULL; |
| if (loop->flags & UV_LOOP_BLOCK_SIGPROF) { |
| pset = &set; |
| sigemptyset(pset); |
| sigaddset(pset, SIGPROF); |
| } |
| |
| assert(timeout >= -1); |
| base = loop->time; |
| count = 48; /* Benchmarks suggest this gives the best throughput. */ |
| |
| for (;;) { |
| if (timeout != -1) { |
| spec.tv_sec = timeout / 1000; |
| spec.tv_nsec = (timeout % 1000) * 1000000; |
| } |
| |
| /* Work around a kernel bug where nfds is not updated. */ |
| events[0].portev_source = 0; |
| |
| nfds = 1; |
| saved_errno = 0; |
| |
| if (pset != NULL) |
| pthread_sigmask(SIG_BLOCK, pset, NULL); |
| |
| err = port_getn(loop->backend_fd, |
| events, |
| ARRAY_SIZE(events), |
| &nfds, |
| timeout == -1 ? NULL : &spec); |
| |
| if (pset != NULL) |
| pthread_sigmask(SIG_UNBLOCK, pset, NULL); |
| |
| if (err) { |
| /* Work around another kernel bug: port_getn() may return events even |
| * on error. |
| */ |
| if (errno == EINTR || errno == ETIME) { |
| saved_errno = errno; |
| } else { |
| perror("(libuv) port_getn()"); |
| abort(); |
| } |
| } |
| |
| /* Update loop->time unconditionally. It's tempting to skip the update when |
| * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the |
| * operating system didn't reschedule our process while in the syscall. |
| */ |
| SAVE_ERRNO(uv__update_time(loop)); |
| |
| if (events[0].portev_source == 0) { |
| if (timeout == 0) |
| return; |
| |
| if (timeout == -1) |
| continue; |
| |
| goto update_timeout; |
| } |
| |
| if (nfds == 0) { |
| assert(timeout != -1); |
| return; |
| } |
| |
| have_signals = 0; |
| nevents = 0; |
| |
| assert(loop->watchers != NULL); |
| loop->watchers[loop->nwatchers] = (void*) events; |
| loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds; |
| for (i = 0; i < nfds; i++) { |
| pe = events + i; |
| fd = pe->portev_object; |
| |
| /* Skip invalidated events, see uv__platform_invalidate_fd */ |
| if (fd == -1) |
| continue; |
| |
| assert(fd >= 0); |
| assert((unsigned) fd < loop->nwatchers); |
| |
| w = loop->watchers[fd]; |
| |
| /* File descriptor that we've stopped watching, ignore. */ |
| if (w == NULL) |
| continue; |
| |
| /* Run signal watchers last. This also affects child process watchers |
| * because those are implemented in terms of signal watchers. |
| */ |
| if (w == &loop->signal_io_watcher) |
| have_signals = 1; |
| else |
| w->cb(loop, w, pe->portev_events); |
| |
| nevents++; |
| |
| if (w != loop->watchers[fd]) |
| continue; /* Disabled by callback. */ |
| |
| /* Events Ports operates in oneshot mode, rearm timer on next run. */ |
| if (w->pevents != 0 && QUEUE_EMPTY(&w->watcher_queue)) |
| QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue); |
| } |
| |
| if (have_signals != 0) |
| loop->signal_io_watcher.cb(loop, &loop->signal_io_watcher, POLLIN); |
| |
| loop->watchers[loop->nwatchers] = NULL; |
| loop->watchers[loop->nwatchers + 1] = NULL; |
| |
| if (have_signals != 0) |
| return; /* Event loop should cycle now so don't poll again. */ |
| |
| if (nevents != 0) { |
| if (nfds == ARRAY_SIZE(events) && --count != 0) { |
| /* Poll for more events but don't block this time. */ |
| timeout = 0; |
| continue; |
| } |
| return; |
| } |
| |
| if (saved_errno == ETIME) { |
| assert(timeout != -1); |
| return; |
| } |
| |
| if (timeout == 0) |
| return; |
| |
| if (timeout == -1) |
| continue; |
| |
| update_timeout: |
| assert(timeout > 0); |
| |
| diff = loop->time - base; |
| if (diff >= (uint64_t) timeout) |
| return; |
| |
| timeout -= diff; |
| } |
| } |
| |
| |
| uint64_t uv__hrtime(uv_clocktype_t type) { |
| return gethrtime(); |
| } |
| |
| |
| /* |
| * 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 buf[128]; |
| |
| if (buffer == NULL || size == NULL || *size == 0) |
| return UV_EINVAL; |
| |
| snprintf(buf, sizeof(buf), "/proc/%lu/path/a.out", (unsigned long) getpid()); |
| |
| res = *size - 1; |
| if (res > 0) |
| res = readlink(buf, buffer, res); |
| |
| if (res == -1) |
| return UV__ERR(errno); |
| |
| buffer[res] = '\0'; |
| *size = res; |
| return 0; |
| } |
| |
| |
| uint64_t uv_get_free_memory(void) { |
| return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_AVPHYS_PAGES); |
| } |
| |
| |
| uint64_t uv_get_total_memory(void) { |
| return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_PHYS_PAGES); |
| } |
| |
| |
| uint64_t uv_get_constrained_memory(void) { |
| return 0; /* Memory constraints are unknown. */ |
| } |
| |
| |
| void uv_loadavg(double avg[3]) { |
| (void) getloadavg(avg, 3); |
| } |
| |
| |
| #if defined(PORT_SOURCE_FILE) |
| |
| static int uv__fs_event_rearm(uv_fs_event_t *handle) { |
| if (handle->fd == -1) |
| return UV_EBADF; |
| |
| if (port_associate(handle->loop->fs_fd, |
| PORT_SOURCE_FILE, |
| (uintptr_t) &handle->fo, |
| FILE_ATTRIB | FILE_MODIFIED, |
| handle) == -1) { |
| return UV__ERR(errno); |
| } |
| handle->fd = PORT_LOADED; |
| |
| return 0; |
| } |
| |
| |
| static void uv__fs_event_read(uv_loop_t* loop, |
| uv__io_t* w, |
| unsigned int revents) { |
| uv_fs_event_t *handle = NULL; |
| timespec_t timeout; |
| port_event_t pe; |
| int events; |
| int r; |
| |
| (void) w; |
| (void) revents; |
| |
| do { |
| uint_t n = 1; |
| |
| /* |
| * Note that our use of port_getn() here (and not port_get()) is deliberate: |
| * there is a bug in event ports (Sun bug 6456558) whereby a zeroed timeout |
| * causes port_get() to return success instead of ETIME when there aren't |
| * actually any events (!); by using port_getn() in lieu of port_get(), |
| * we can at least workaround the bug by checking for zero returned events |
| * and treating it as we would ETIME. |
| */ |
| do { |
| memset(&timeout, 0, sizeof timeout); |
| r = port_getn(loop->fs_fd, &pe, 1, &n, &timeout); |
| } |
| while (r == -1 && errno == EINTR); |
| |
| if ((r == -1 && errno == ETIME) || n == 0) |
| break; |
| |
| handle = (uv_fs_event_t*) pe.portev_user; |
| assert((r == 0) && "unexpected port_get() error"); |
| |
| events = 0; |
| if (pe.portev_events & (FILE_ATTRIB | FILE_MODIFIED)) |
| events |= UV_CHANGE; |
| if (pe.portev_events & ~(FILE_ATTRIB | FILE_MODIFIED)) |
| events |= UV_RENAME; |
| assert(events != 0); |
| handle->fd = PORT_FIRED; |
| handle->cb(handle, NULL, events, 0); |
| |
| if (handle->fd != PORT_DELETED) { |
| r = uv__fs_event_rearm(handle); |
| if (r != 0) |
| handle->cb(handle, NULL, 0, r); |
| } |
| } |
| while (handle->fd != PORT_DELETED); |
| } |
| |
| |
| int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { |
| uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT); |
| return 0; |
| } |
| |
| |
| int uv_fs_event_start(uv_fs_event_t* handle, |
| uv_fs_event_cb cb, |
| const char* path, |
| unsigned int flags) { |
| int portfd; |
| int first_run; |
| int err; |
| |
| if (uv__is_active(handle)) |
| return UV_EINVAL; |
| |
| first_run = 0; |
| if (handle->loop->fs_fd == -1) { |
| portfd = port_create(); |
| if (portfd == -1) |
| return UV__ERR(errno); |
| handle->loop->fs_fd = portfd; |
| first_run = 1; |
| } |
| |
| uv__handle_start(handle); |
| handle->path = uv__strdup(path); |
| handle->fd = PORT_UNUSED; |
| handle->cb = cb; |
| |
| memset(&handle->fo, 0, sizeof handle->fo); |
| handle->fo.fo_name = handle->path; |
| err = uv__fs_event_rearm(handle); |
| if (err != 0) { |
| uv_fs_event_stop(handle); |
| return err; |
| } |
| |
| if (first_run) { |
| uv__io_init(&handle->loop->fs_event_watcher, uv__fs_event_read, portfd); |
| uv__io_start(handle->loop, &handle->loop->fs_event_watcher, POLLIN); |
| } |
| |
| return 0; |
| } |
| |
| |
| int uv_fs_event_stop(uv_fs_event_t* handle) { |
| if (!uv__is_active(handle)) |
| return 0; |
| |
| if (handle->fd == PORT_FIRED || handle->fd == PORT_LOADED) { |
| port_dissociate(handle->loop->fs_fd, |
| PORT_SOURCE_FILE, |
| (uintptr_t) &handle->fo); |
| } |
| |
| handle->fd = PORT_DELETED; |
| uv__free(handle->path); |
| handle->path = NULL; |
| handle->fo.fo_name = NULL; |
| uv__handle_stop(handle); |
| |
| return 0; |
| } |
| |
| void uv__fs_event_close(uv_fs_event_t* handle) { |
| uv_fs_event_stop(handle); |
| } |
| |
| #else /* !defined(PORT_SOURCE_FILE) */ |
| |
| int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) { |
| return UV_ENOSYS; |
| } |
| |
| |
| int uv_fs_event_start(uv_fs_event_t* handle, |
| uv_fs_event_cb cb, |
| const char* filename, |
| unsigned int flags) { |
| return UV_ENOSYS; |
| } |
| |
| |
| int uv_fs_event_stop(uv_fs_event_t* handle) { |
| return UV_ENOSYS; |
| } |
| |
| |
| void uv__fs_event_close(uv_fs_event_t* handle) { |
| UNREACHABLE(); |
| } |
| |
| #endif /* defined(PORT_SOURCE_FILE) */ |
| |
| |
| int uv_resident_set_memory(size_t* rss) { |
| psinfo_t psinfo; |
| int err; |
| int fd; |
| |
| fd = open("/proc/self/psinfo", O_RDONLY); |
| if (fd == -1) |
| return UV__ERR(errno); |
| |
| /* FIXME(bnoordhuis) Handle EINTR. */ |
| err = UV_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) { |
| kstat_ctl_t *kc; |
| kstat_t *ksp; |
| kstat_named_t *knp; |
| |
| long hz = sysconf(_SC_CLK_TCK); |
| |
| kc = kstat_open(); |
| if (kc == NULL) |
| return UV_EPERM; |
| |
| ksp = kstat_lookup(kc, (char*) "unix", 0, (char*) "system_misc"); |
| if (kstat_read(kc, ksp, NULL) == -1) { |
| *uptime = -1; |
| } else { |
| knp = (kstat_named_t*) kstat_data_lookup(ksp, (char*) "clk_intr"); |
| *uptime = knp->value.ul / hz; |
| } |
| kstat_close(kc); |
| |
| return 0; |
| } |
| |
| |
| int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { |
| int lookup_instance; |
| kstat_ctl_t *kc; |
| kstat_t *ksp; |
| kstat_named_t *knp; |
| uv_cpu_info_t* cpu_info; |
| |
| kc = kstat_open(); |
| if (kc == NULL) |
| return UV_EPERM; |
| |
| /* Get count of cpus */ |
| lookup_instance = 0; |
| while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) { |
| lookup_instance++; |
| } |
| |
| *cpu_infos = uv__malloc(lookup_instance * sizeof(**cpu_infos)); |
| if (!(*cpu_infos)) { |
| kstat_close(kc); |
| return UV_ENOMEM; |
| } |
| |
| *count = lookup_instance; |
| |
| cpu_info = *cpu_infos; |
| lookup_instance = 0; |
| while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) { |
| if (kstat_read(kc, ksp, NULL) == -1) { |
| cpu_info->speed = 0; |
| cpu_info->model = NULL; |
| } else { |
| knp = kstat_data_lookup(ksp, (char*) "clock_MHz"); |
| assert(knp->data_type == KSTAT_DATA_INT32 || |
| knp->data_type == KSTAT_DATA_INT64); |
| cpu_info->speed = (knp->data_type == KSTAT_DATA_INT32) ? knp->value.i32 |
| : knp->value.i64; |
| |
| knp = kstat_data_lookup(ksp, (char*) "brand"); |
| assert(knp->data_type == KSTAT_DATA_STRING); |
| cpu_info->model = uv__strdup(KSTAT_NAMED_STR_PTR(knp)); |
| } |
| |
| lookup_instance++; |
| cpu_info++; |
| } |
| |
| cpu_info = *cpu_infos; |
| lookup_instance = 0; |
| for (;;) { |
| ksp = kstat_lookup(kc, (char*) "cpu", lookup_instance, (char*) "sys"); |
| |
| if (ksp == NULL) |
| break; |
| |
| if (kstat_read(kc, ksp, NULL) == -1) { |
| cpu_info->cpu_times.user = 0; |
| cpu_info->cpu_times.nice = 0; |
| cpu_info->cpu_times.sys = 0; |
| cpu_info->cpu_times.idle = 0; |
| cpu_info->cpu_times.irq = 0; |
| } else { |
| knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_user"); |
| assert(knp->data_type == KSTAT_DATA_UINT64); |
| cpu_info->cpu_times.user = knp->value.ui64; |
| |
| knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_kernel"); |
| assert(knp->data_type == KSTAT_DATA_UINT64); |
| cpu_info->cpu_times.sys = knp->value.ui64; |
| |
| knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_idle"); |
| assert(knp->data_type == KSTAT_DATA_UINT64); |
| cpu_info->cpu_times.idle = knp->value.ui64; |
| |
| knp = kstat_data_lookup(ksp, (char*) "intr"); |
| assert(knp->data_type == KSTAT_DATA_UINT64); |
| cpu_info->cpu_times.irq = knp->value.ui64; |
| cpu_info->cpu_times.nice = 0; |
| } |
| |
| lookup_instance++; |
| cpu_info++; |
| } |
| |
| kstat_close(kc); |
| |
| return 0; |
| } |
| |
| |
| #ifdef SUNOS_NO_IFADDRS |
| int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { |
| *count = 0; |
| *addresses = NULL; |
| return UV_ENOSYS; |
| } |
| #else /* SUNOS_NO_IFADDRS */ |
| /* |
| * Inspired By: |
| * https://blogs.oracle.com/paulie/entry/retrieving_mac_address_in_solaris |
| * http://www.pauliesworld.org/project/getmac.c |
| */ |
| static int uv__set_phys_addr(uv_interface_address_t* address, |
| struct ifaddrs* ent) { |
| |
| struct sockaddr_dl* sa_addr; |
| int sockfd; |
| size_t i; |
| struct arpreq arpreq; |
| |
| /* This appears to only work as root */ |
| sa_addr = (struct sockaddr_dl*)(ent->ifa_addr); |
| memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr)); |
| for (i = 0; i < sizeof(address->phys_addr); i++) { |
| /* Check that all bytes of phys_addr are zero. */ |
| if (address->phys_addr[i] != 0) |
| return 0; |
| } |
| memset(&arpreq, 0, sizeof(arpreq)); |
| if (address->address.address4.sin_family == AF_INET) { |
| struct sockaddr_in* sin = ((struct sockaddr_in*)&arpreq.arp_pa); |
| sin->sin_addr.s_addr = address->address.address4.sin_addr.s_addr; |
| } else if (address->address.address4.sin_family == AF_INET6) { |
| struct sockaddr_in6* sin = ((struct sockaddr_in6*)&arpreq.arp_pa); |
| memcpy(sin->sin6_addr.s6_addr, |
| address->address.address6.sin6_addr.s6_addr, |
| sizeof(address->address.address6.sin6_addr.s6_addr)); |
| } else { |
| return 0; |
| } |
| |
| sockfd = socket(AF_INET, SOCK_DGRAM, 0); |
| if (sockfd < 0) |
| return UV__ERR(errno); |
| |
| if (ioctl(sockfd, SIOCGARP, (char*)&arpreq) == -1) { |
| uv__close(sockfd); |
| return UV__ERR(errno); |
| } |
| memcpy(address->phys_addr, arpreq.arp_ha.sa_data, sizeof(address->phys_addr)); |
| uv__close(sockfd); |
| return 0; |
| } |
| |
| |
| static int uv__ifaddr_exclude(struct ifaddrs *ent) { |
| if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING))) |
| return 1; |
| if (ent->ifa_addr == NULL) |
| return 1; |
| if (ent->ifa_addr->sa_family != AF_INET && |
| ent->ifa_addr->sa_family != AF_INET6) |
| return 1; |
| return 0; |
| } |
| |
| int uv_interface_addresses(uv_interface_address_t** addresses, int* count) { |
| uv_interface_address_t* address; |
| struct ifaddrs* addrs; |
| struct ifaddrs* ent; |
| |
| *count = 0; |
| *addresses = NULL; |
| |
| if (getifaddrs(&addrs)) |
| return UV__ERR(errno); |
| |
| /* Count the number of interfaces */ |
| for (ent = addrs; ent != NULL; ent = ent->ifa_next) { |
| if (uv__ifaddr_exclude(ent)) |
| continue; |
| (*count)++; |
| } |
| |
| if (*count == 0) { |
| freeifaddrs(addrs); |
| return 0; |
| } |
| |
| *addresses = uv__malloc(*count * sizeof(**addresses)); |
| if (!(*addresses)) { |
| freeifaddrs(addrs); |
| return UV_ENOMEM; |
| } |
| |
| address = *addresses; |
| |
| for (ent = addrs; ent != NULL; ent = ent->ifa_next) { |
| if (uv__ifaddr_exclude(ent)) |
| continue; |
| |
| address->name = uv__strdup(ent->ifa_name); |
| |
| if (ent->ifa_addr->sa_family == AF_INET6) { |
| address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr); |
| } else { |
| address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr); |
| } |
| |
| if (ent->ifa_netmask->sa_family == AF_INET6) { |
| address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask); |
| } else { |
| address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask); |
| } |
| |
| address->is_internal = !!((ent->ifa_flags & IFF_PRIVATE) || |
| (ent->ifa_flags & IFF_LOOPBACK)); |
| |
| uv__set_phys_addr(address, ent); |
| address++; |
| } |
| |
| freeifaddrs(addrs); |
| |
| return 0; |
| } |
| #endif /* SUNOS_NO_IFADDRS */ |
| |
| void uv_free_interface_addresses(uv_interface_address_t* addresses, |
| int count) { |
| int i; |
| |
| for (i = 0; i < count; i++) { |
| uv__free(addresses[i].name); |
| } |
| |
| uv__free(addresses); |
| } |