| /* |
| * Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * FreeBSD platform-specific module methods for _psutil_bsd |
| */ |
| |
| |
| #include <Python.h> |
| #include <assert.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <signal.h> |
| #include <fcntl.h> |
| #include <paths.h> |
| #include <sys/types.h> |
| #include <sys/sysctl.h> |
| #include <sys/param.h> |
| #include <sys/user.h> |
| #include <sys/proc.h> |
| #include <sys/file.h> |
| #include <net/route.h> |
| |
| #include <sys/socket.h> |
| #include <sys/socketvar.h> /* for struct xsocket */ |
| /* for xinpcb struct */ |
| #include <netinet/in.h> |
| #include <netinet/in_systm.h> |
| #include <netinet/ip.h> |
| #include <netinet/in_pcb.h> |
| #include <netinet/tcp_var.h> /* for struct xtcpcb */ |
| #include <netinet/tcp_fsm.h> /* for TCP connection states */ |
| #include <arpa/inet.h> /* for inet_ntop() */ |
| |
| #if __FreeBSD_version < 900000 |
| #include <utmp.h> /* system users */ |
| #else |
| #include <utmpx.h> |
| #endif |
| #include <devstat.h> /* get io counters */ |
| #include <sys/vmmeter.h> /* needed for vmtotal struct */ |
| #include <libutil.h> /* process open files, shared libs (kinfo_getvmmap) */ |
| #include <sys/mount.h> |
| |
| #include <net/if.h> /* net io counters */ |
| #include <net/if_dl.h> |
| #include <net/route.h> |
| |
| #include <netinet/in.h> /* process open files/connections */ |
| #include <sys/un.h> |
| |
| #include "_psutil_bsd.h" |
| #include "_psutil_common.h" |
| #include "arch/bsd/process_info.h" |
| |
| |
| // convert a timeval struct to a double |
| #define TV2DOUBLE(t) ((t).tv_sec + (t).tv_usec / 1000000.0) |
| |
| |
| /* |
| * Utility function which fills a kinfo_proc struct based on process pid |
| */ |
| static int |
| psutil_get_kinfo_proc(const pid_t pid, struct kinfo_proc *proc) |
| { |
| int mib[4]; |
| size_t size; |
| mib[0] = CTL_KERN; |
| mib[1] = KERN_PROC; |
| mib[2] = KERN_PROC_PID; |
| mib[3] = pid; |
| |
| size = sizeof(struct kinfo_proc); |
| |
| if (sysctl((int*)mib, 4, proc, &size, NULL, 0) == -1) { |
| PyErr_SetFromErrno(PyExc_OSError); |
| return -1; |
| } |
| |
| /* |
| * sysctl stores 0 in the size if we can't find the process information. |
| */ |
| if (size == 0) { |
| NoSuchProcess(); |
| return -1; |
| } |
| return 0; |
| } |
| |
| |
| /* |
| * Return a Python list of all the PIDs running on the system. |
| */ |
| static PyObject* |
| get_pid_list(PyObject* self, PyObject* args) |
| { |
| kinfo_proc *proclist = NULL; |
| kinfo_proc *orig_address = NULL; |
| size_t num_processes; |
| size_t idx; |
| PyObject* retlist = PyList_New(0); |
| PyObject* pid = NULL; |
| |
| if (retlist == NULL) { |
| return NULL; |
| } |
| if (psutil_get_proc_list(&proclist, &num_processes) != 0) { |
| PyErr_SetString(PyExc_RuntimeError, "failed to retrieve process list."); |
| goto error; |
| } |
| |
| if (num_processes > 0) { |
| orig_address = proclist; // save so we can free it after we're done |
| for (idx=0; idx < num_processes; idx++) { |
| pid = Py_BuildValue("i", proclist->ki_pid); |
| if (!pid) |
| goto error; |
| if (PyList_Append(retlist, pid)) |
| goto error; |
| Py_DECREF(pid); |
| proclist++; |
| } |
| free(orig_address); |
| } |
| |
| return retlist; |
| |
| error: |
| Py_XDECREF(pid); |
| Py_DECREF(retlist); |
| if (orig_address != NULL) { |
| free(orig_address); |
| } |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python float indicating the system boot time expressed in |
| * seconds since the epoch. |
| */ |
| static PyObject* |
| get_system_boot_time(PyObject* self, PyObject* args) |
| { |
| /* fetch sysctl "kern.boottime" */ |
| static int request[2] = { CTL_KERN, KERN_BOOTTIME }; |
| struct timeval boottime; |
| size_t len = sizeof(boottime); |
| |
| if (sysctl(request, 2, &boottime, &len, NULL, 0) == -1) { |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| return Py_BuildValue("d", (double)boottime.tv_sec); |
| } |
| |
| |
| /* |
| * Return process name from kinfo_proc as a Python string. |
| */ |
| static PyObject* |
| get_process_name(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("s", kp.ki_comm); |
| } |
| |
| |
| /* |
| * Return process pathname executable. |
| * Thanks to Robert N. M. Watson: |
| * http://fxr.googlebit.com/source/usr.bin/procstat/procstat_bin.c?v=8-CURRENT |
| */ |
| static PyObject* |
| get_process_exe(PyObject* self, PyObject* args) |
| { |
| long pid; |
| char pathname[PATH_MAX]; |
| int error; |
| int mib[4]; |
| size_t size; |
| |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| |
| mib[0] = CTL_KERN; |
| mib[1] = KERN_PROC; |
| mib[2] = KERN_PROC_PATHNAME; |
| mib[3] = pid; |
| |
| size = sizeof(pathname); |
| error = sysctl(mib, 4, pathname, &size, NULL, 0); |
| if (error == -1) { |
| PyErr_SetFromErrno(PyExc_OSError); |
| return NULL; |
| } |
| if (size == 0 || strlen(pathname) == 0) { |
| if (psutil_pid_exists(pid) == 0) { |
| return NoSuchProcess(); |
| } |
| else { |
| strcpy(pathname, ""); |
| } |
| } |
| return Py_BuildValue("s", pathname); |
| } |
| |
| |
| /* |
| * Return process cmdline as a Python list of cmdline arguments. |
| */ |
| static PyObject* |
| get_process_cmdline(PyObject* self, PyObject* args) |
| { |
| long pid; |
| PyObject* arglist = NULL; |
| |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| |
| // get the commandline, defined in arch/bsd/process_info.c |
| arglist = psutil_get_arg_list(pid); |
| |
| // psutil_get_arg_list() returns NULL only if psutil_get_cmd_args failed with ESRCH |
| // (no process with that PID) |
| if (NULL == arglist) { |
| return PyErr_SetFromErrno(PyExc_OSError); |
| } |
| return Py_BuildValue("N", arglist); |
| } |
| |
| |
| /* |
| * Return process parent pid from kinfo_proc as a Python integer. |
| */ |
| static PyObject* |
| get_process_ppid(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("l", (long)kp.ki_ppid); |
| } |
| |
| |
| /* |
| * Return process status as a Python integer. |
| */ |
| static PyObject* |
| get_process_status(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("i", (int)kp.ki_stat); |
| } |
| |
| |
| /* |
| * Return process real, effective and saved user ids from kinfo_proc |
| * as a Python tuple. |
| */ |
| static PyObject* |
| get_process_uids(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("lll", (long)kp.ki_ruid, |
| (long)kp.ki_uid, |
| (long)kp.ki_svuid); |
| } |
| |
| |
| /* |
| * Return process real, effective and saved group ids from kinfo_proc |
| * as a Python tuple. |
| */ |
| static PyObject* |
| get_process_gids(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("lll", (long)kp.ki_rgid, |
| (long)kp.ki_groups[0], |
| (long)kp.ki_svuid); |
| } |
| |
| |
| /* |
| * Return process real, effective and saved group ids from kinfo_proc |
| * as a Python tuple. |
| */ |
| static PyObject* |
| get_process_tty_nr(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("i", kp.ki_tdev); |
| } |
| |
| |
| /* |
| * Return the number of context switches performed by process as a tuple. |
| */ |
| static PyObject* |
| get_process_num_ctx_switches(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("(ll)", kp.ki_rusage.ru_nvcsw, |
| kp.ki_rusage.ru_nivcsw); |
| } |
| |
| |
| |
| /* |
| * Return number of threads used by process as a Python integer. |
| */ |
| static PyObject* |
| get_process_num_threads(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("l", (long)kp.ki_numthreads); |
| } |
| |
| |
| /* |
| * Retrieves all threads used by process returning a list of tuples |
| * including thread id, user time and system time. |
| * Thanks to Robert N. M. Watson: |
| * http://fxr.googlebit.com/source/usr.bin/procstat/procstat_threads.c?v=8-CURRENT |
| */ |
| static PyObject* |
| get_process_threads(PyObject* self, PyObject* args) |
| { |
| long pid; |
| int mib[4]; |
| struct kinfo_proc *kip = NULL; |
| struct kinfo_proc *kipp; |
| int error; |
| unsigned int i; |
| size_t size; |
| PyObject* retList = PyList_New(0); |
| PyObject* pyTuple = NULL; |
| |
| if (retList == NULL) |
| return NULL; |
| if (! PyArg_ParseTuple(args, "l", &pid)) |
| goto error; |
| |
| /* |
| * We need to re-query for thread information, so don't use *kipp. |
| */ |
| mib[0] = CTL_KERN; |
| mib[1] = KERN_PROC; |
| mib[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD; |
| mib[3] = pid; |
| |
| size = 0; |
| error = sysctl(mib, 4, NULL, &size, NULL, 0); |
| if (error == -1) { |
| PyErr_SetFromErrno(PyExc_OSError); |
| goto error; |
| } |
| if (size == 0) { |
| NoSuchProcess(); |
| goto error; |
| } |
| |
| kip = malloc(size); |
| if (kip == NULL) { |
| PyErr_NoMemory(); |
| goto error; |
| } |
| |
| error = sysctl(mib, 4, kip, &size, NULL, 0); |
| if (error == -1) { |
| PyErr_SetFromErrno(PyExc_OSError); |
| goto error; |
| } |
| if (size == 0) { |
| NoSuchProcess(); |
| goto error; |
| } |
| |
| for (i = 0; i < size / sizeof(*kipp); i++) { |
| kipp = &kip[i]; |
| pyTuple = Py_BuildValue("Idd", kipp->ki_tid, |
| TV2DOUBLE(kipp->ki_rusage.ru_utime), |
| TV2DOUBLE(kipp->ki_rusage.ru_stime) |
| ); |
| if (pyTuple == NULL) |
| goto error; |
| if (PyList_Append(retList, pyTuple)) |
| goto error; |
| Py_DECREF(pyTuple); |
| } |
| free(kip); |
| return retList; |
| |
| error: |
| Py_XDECREF(pyTuple); |
| Py_DECREF(retList); |
| if (kip != NULL) { |
| free(kip); |
| } |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python tuple (user_time, kernel_time) |
| */ |
| static PyObject* |
| get_process_cpu_times(PyObject* self, PyObject* args) |
| { |
| long pid; |
| double user_t, sys_t; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| // convert from microseconds to seconds |
| user_t = TV2DOUBLE(kp.ki_rusage.ru_utime); |
| sys_t = TV2DOUBLE(kp.ki_rusage.ru_stime); |
| return Py_BuildValue("(dd)", user_t, sys_t); |
| } |
| |
| |
| /* |
| * Return a Python integer indicating the number of CPUs on the system |
| */ |
| static PyObject* |
| get_num_cpus(PyObject* self, PyObject* args) |
| { |
| int mib[2]; |
| int ncpu; |
| size_t len; |
| |
| mib[0] = CTL_HW; |
| mib[1] = HW_NCPU; |
| len = sizeof(ncpu); |
| |
| if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == -1) { |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| |
| return Py_BuildValue("i", ncpu); |
| } |
| |
| |
| /* |
| * Return a Python float indicating the process create time expressed in |
| * seconds since the epoch. |
| */ |
| static PyObject* |
| get_process_create_time(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("d", TV2DOUBLE(kp.ki_start)); |
| } |
| |
| |
| /* |
| * Return a Python float indicating the process create time expressed in |
| * seconds since the epoch. |
| */ |
| static PyObject* |
| get_process_io_counters(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| // there's apparently no way to determine bytes count, hence return -1. |
| return Py_BuildValue("(llll)", kp.ki_rusage.ru_inblock, |
| kp.ki_rusage.ru_oublock, |
| -1, -1); |
| } |
| |
| |
| /* |
| * Return extended memory info for a process as a Python tuple. |
| */ |
| static PyObject* |
| get_process_memory_info(PyObject* self, PyObject* args) |
| { |
| long pid; |
| struct kinfo_proc kp; |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| return NULL; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| return NULL; |
| } |
| return Py_BuildValue("(lllll)", ptoa(kp.ki_rssize), // rss |
| (long)kp.ki_size, // vms |
| ptoa(kp.ki_tsize), // text |
| ptoa(kp.ki_dsize), // data |
| ptoa(kp.ki_ssize)); // stack |
| } |
| |
| |
| /* |
| * Return virtual memory usage statistics. |
| */ |
| static PyObject* |
| get_virtual_mem(PyObject* self, PyObject* args) |
| { |
| unsigned int total, active, inactive, wired, cached, free; |
| size_t size = sizeof(total); |
| struct vmtotal vm; |
| int mib[] = {CTL_VM, VM_METER}; |
| long pagesize = getpagesize(); |
| #if __FreeBSD_version > 702101 |
| long buffers; |
| #else |
| int buffers; |
| #endif |
| size_t buffers_size = sizeof(buffers); |
| |
| if (sysctlbyname("vm.stats.vm.v_page_count", &total, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vm.stats.vm.v_active_count", &active, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vm.stats.vm.v_wire_count", &wired, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vm.stats.vm.v_cache_count", &cached, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vm.stats.vm.v_free_count", &free, &size, NULL, 0)) |
| goto error; |
| if (sysctlbyname("vfs.bufspace", &buffers, &buffers_size, NULL, 0)) |
| goto error; |
| |
| size = sizeof(vm); |
| if (sysctl(mib, 2, &vm, &size, NULL, 0) != 0) |
| goto error; |
| |
| return Py_BuildValue("KKKKKKKK", |
| (unsigned long long) total * pagesize, |
| (unsigned long long) free * pagesize, |
| (unsigned long long) active * pagesize, |
| (unsigned long long) inactive * pagesize, |
| (unsigned long long) wired * pagesize, |
| (unsigned long long) cached * pagesize, |
| (unsigned long long) buffers, |
| (unsigned long long) (vm.t_vmshr + vm.t_rmshr) * pagesize // shared |
| ); |
| |
| error: |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| |
| |
| #ifndef _PATH_DEVNULL |
| #define _PATH_DEVNULL "/dev/null" |
| #endif |
| |
| /* |
| * Return swap memory stats (see 'swapinfo' cmdline tool) |
| */ |
| static PyObject* |
| get_swap_mem(PyObject* self, PyObject* args) |
| { |
| kvm_t *kd; |
| struct kvm_swap kvmsw[1]; |
| unsigned int swapin, swapout, nodein, nodeout; |
| size_t size = sizeof(unsigned int); |
| |
| kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open failed"); |
| if (kd == NULL) { |
| PyErr_SetString(PyExc_RuntimeError, "kvm_open failed"); |
| return NULL; |
| } |
| |
| if (kvm_getswapinfo(kd, kvmsw, 1, 0) < 0) { |
| kvm_close(kd); |
| PyErr_SetString(PyExc_RuntimeError, "kvm_getswapinfo failed"); |
| return NULL; |
| } |
| |
| kvm_close(kd); |
| |
| if (sysctlbyname("vm.stats.vm.v_swapin", &swapin, &size, NULL, 0) == -1) |
| goto sbn_error; |
| if (sysctlbyname("vm.stats.vm.v_swapout", &swapout, &size, NULL, 0) == -1) |
| goto sbn_error; |
| if (sysctlbyname("vm.stats.vm.v_vnodein", &nodein, &size, NULL, 0) == -1) |
| goto sbn_error; |
| if (sysctlbyname("vm.stats.vm.v_vnodeout", &nodeout, &size, NULL, 0) == -1) |
| goto sbn_error; |
| |
| return Py_BuildValue("(iiiII)", |
| kvmsw[0].ksw_total, // total |
| kvmsw[0].ksw_used, // used |
| kvmsw[0].ksw_total - kvmsw[0].ksw_used, // free |
| swapin + swapout, // swap in |
| nodein + nodeout); // swap out |
| |
| sbn_error: |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python tuple representing user, kernel and idle CPU times |
| */ |
| static PyObject* |
| get_system_cpu_times(PyObject* self, PyObject* args) |
| { |
| long cpu_time[CPUSTATES]; |
| size_t size; |
| |
| size = sizeof(cpu_time); |
| |
| if (sysctlbyname("kern.cp_time", &cpu_time, &size, NULL, 0) == -1) { |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| |
| return Py_BuildValue("(ddddd)", |
| (double)cpu_time[CP_USER] / CLOCKS_PER_SEC, |
| (double)cpu_time[CP_NICE] / CLOCKS_PER_SEC, |
| (double)cpu_time[CP_SYS] / CLOCKS_PER_SEC, |
| (double)cpu_time[CP_IDLE] / CLOCKS_PER_SEC, |
| (double)cpu_time[CP_INTR] / CLOCKS_PER_SEC |
| ); |
| } |
| |
| /* |
| * XXX |
| * These functions are available on FreeBSD 8 only. |
| * In the upper python layer we do various tricks to avoid crashing |
| * and/or to provide alternatives where possible. |
| */ |
| |
| |
| #if defined(__FreeBSD_version) && __FreeBSD_version >= 800000 |
| /* |
| * Return files opened by process as a list of (path, fd) tuples |
| */ |
| static PyObject* |
| get_process_open_files(PyObject* self, PyObject* args) |
| { |
| long pid; |
| int i, cnt; |
| struct kinfo_file *freep = NULL; |
| struct kinfo_file *kif; |
| struct kinfo_proc kipp; |
| PyObject *retList = PyList_New(0); |
| PyObject *tuple = NULL; |
| |
| if (retList == NULL) |
| return NULL; |
| if (! PyArg_ParseTuple(args, "l", &pid)) |
| goto error; |
| if (psutil_get_kinfo_proc(pid, &kipp) == -1) |
| goto error; |
| |
| freep = kinfo_getfile(pid, &cnt); |
| if (freep == NULL) { |
| psutil_raise_ad_or_nsp(pid); |
| goto error; |
| } |
| |
| for (i = 0; i < cnt; i++) { |
| kif = &freep[i]; |
| if ((kif->kf_type == KF_TYPE_VNODE) && |
| (kif->kf_vnode_type == KF_VTYPE_VREG)) |
| { |
| tuple = Py_BuildValue("(si)", kif->kf_path, kif->kf_fd); |
| if (tuple == NULL) |
| goto error; |
| if (PyList_Append(retList, tuple)) |
| goto error; |
| Py_DECREF(tuple); |
| } |
| } |
| free(freep); |
| return retList; |
| |
| error: |
| Py_XDECREF(tuple); |
| Py_DECREF(retList); |
| if (freep != NULL) |
| free(freep); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return files opened by process as a list of (path, fd) tuples |
| */ |
| static PyObject* |
| get_process_num_fds(PyObject* self, PyObject* args) |
| { |
| long pid; |
| int cnt; |
| |
| struct kinfo_file *freep; |
| struct kinfo_proc kipp; |
| |
| if (! PyArg_ParseTuple(args, "l", &pid)) |
| return NULL; |
| if (psutil_get_kinfo_proc(pid, &kipp) == -1) |
| return NULL; |
| |
| freep = kinfo_getfile(pid, &cnt); |
| if (freep == NULL) { |
| psutil_raise_ad_or_nsp(pid); |
| return NULL; |
| } |
| free(freep); |
| |
| return Py_BuildValue("i", cnt); |
| } |
| |
| |
| /* |
| * Return process current working directory. |
| */ |
| static PyObject* |
| get_process_cwd(PyObject* self, PyObject* args) |
| { |
| long pid; |
| PyObject *path = NULL; |
| struct kinfo_file *freep = NULL; |
| struct kinfo_file *kif; |
| struct kinfo_proc kipp; |
| |
| int i, cnt; |
| |
| if (! PyArg_ParseTuple(args, "l", &pid)) |
| goto error; |
| if (psutil_get_kinfo_proc(pid, &kipp) == -1) |
| goto error; |
| |
| freep = kinfo_getfile(pid, &cnt); |
| if (freep == NULL) { |
| psutil_raise_ad_or_nsp(pid); |
| goto error; |
| } |
| |
| for (i = 0; i < cnt; i++) { |
| kif = &freep[i]; |
| if (kif->kf_fd == KF_FD_TYPE_CWD) { |
| path = Py_BuildValue("s", kif->kf_path); |
| if (!path) |
| goto error; |
| break; |
| } |
| } |
| /* |
| * For lower pids it seems we can't retrieve any information |
| * (lsof can't do that it either). Since this happens even |
| * as root we return an empty string instead of AccessDenied. |
| */ |
| if (path == NULL) { |
| path = Py_BuildValue("s", ""); |
| } |
| free(freep); |
| return path; |
| |
| error: |
| Py_XDECREF(path); |
| if (freep != NULL) |
| free(freep); |
| return NULL; |
| } |
| |
| |
| /* |
| * mathes Linux net/tcp_states.h: |
| * http://students.mimuw.edu.pl/lxr/source/include/net/tcp_states.h |
| */ |
| static char * |
| get_connection_status(int st) { |
| switch (st) { |
| case TCPS_CLOSED: |
| return "CLOSE"; |
| case TCPS_CLOSING: |
| return "CLOSING"; |
| case TCPS_CLOSE_WAIT: |
| return "CLOSE_WAIT"; |
| case TCPS_LISTEN: |
| return "LISTEN"; |
| case TCPS_ESTABLISHED: |
| return "ESTABLISHED"; |
| case TCPS_SYN_SENT: |
| return "SYN_SENT"; |
| case TCPS_SYN_RECEIVED: |
| return "SYN_RECV"; |
| case TCPS_FIN_WAIT_1: |
| return "FIN_WAIT_1"; |
| case TCPS_FIN_WAIT_2: |
| return "FIN_WAIT_2"; |
| case TCPS_LAST_ACK: |
| return "LAST_ACK"; |
| case TCPS_TIME_WAIT: |
| return "TIME_WAIT"; |
| default: |
| return "?"; |
| } |
| } |
| |
| /* The tcplist fetching and walking is borrowed from netstat/inet.c. */ |
| static char * |
| psutil_fetch_tcplist(void) |
| { |
| char *buf; |
| size_t len; |
| int error; |
| |
| for (;;) { |
| if (sysctlbyname("net.inet.tcp.pcblist", NULL, &len, NULL, 0) < 0) { |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| buf = malloc(len); |
| if (buf == NULL) { |
| PyErr_NoMemory(); |
| return NULL; |
| } |
| if (sysctlbyname("net.inet.tcp.pcblist", buf, &len, NULL, 0) < 0) { |
| free(buf); |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| return buf; |
| } |
| } |
| |
| static int |
| psutil_sockaddr_port(int family, struct sockaddr_storage *ss) |
| { |
| struct sockaddr_in6 *sin6; |
| struct sockaddr_in *sin; |
| |
| if (family == AF_INET) { |
| sin = (struct sockaddr_in *)ss; |
| return (sin->sin_port); |
| } else { |
| sin6 = (struct sockaddr_in6 *)ss; |
| return (sin6->sin6_port); |
| } |
| } |
| |
| static void * |
| psutil_sockaddr_addr(int family, struct sockaddr_storage *ss) |
| { |
| struct sockaddr_in6 *sin6; |
| struct sockaddr_in *sin; |
| |
| if (family == AF_INET) { |
| sin = (struct sockaddr_in *)ss; |
| return (&sin->sin_addr); |
| } else { |
| sin6 = (struct sockaddr_in6 *)ss; |
| return (&sin6->sin6_addr); |
| } |
| } |
| |
| static socklen_t |
| psutil_sockaddr_addrlen(int family) |
| { |
| if (family == AF_INET) |
| return (sizeof(struct in_addr)); |
| else |
| return (sizeof(struct in6_addr)); |
| } |
| |
| static int |
| psutil_sockaddr_matches(int family, int port, void *pcb_addr, |
| struct sockaddr_storage *ss) |
| { |
| if (psutil_sockaddr_port(family, ss) != port) |
| return (0); |
| return (memcmp(psutil_sockaddr_addr(family, ss), pcb_addr, |
| psutil_sockaddr_addrlen(family)) == 0); |
| } |
| |
| static struct tcpcb * |
| psutil_search_tcplist(char *buf, struct kinfo_file *kif) |
| { |
| struct tcpcb *tp; |
| struct inpcb *inp; |
| struct xinpgen *xig, *oxig; |
| struct xsocket *so; |
| |
| oxig = xig = (struct xinpgen *)buf; |
| for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); |
| xig->xig_len > sizeof(struct xinpgen); |
| xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { |
| tp = &((struct xtcpcb *)xig)->xt_tp; |
| inp = &((struct xtcpcb *)xig)->xt_inp; |
| so = &((struct xtcpcb *)xig)->xt_socket; |
| |
| if (so->so_type != kif->kf_sock_type || |
| so->xso_family != kif->kf_sock_domain || |
| so->xso_protocol != kif->kf_sock_protocol) |
| continue; |
| |
| if (kif->kf_sock_domain == AF_INET) { |
| if (!psutil_sockaddr_matches(AF_INET, inp->inp_lport, &inp->inp_laddr, |
| &kif->kf_sa_local)) |
| continue; |
| if (!psutil_sockaddr_matches(AF_INET, inp->inp_fport, &inp->inp_faddr, |
| &kif->kf_sa_peer)) |
| continue; |
| } else { |
| if (!psutil_sockaddr_matches(AF_INET6, inp->inp_lport, &inp->in6p_laddr, |
| &kif->kf_sa_local)) |
| continue; |
| if (!psutil_sockaddr_matches(AF_INET6, inp->inp_fport, &inp->in6p_faddr, |
| &kif->kf_sa_peer)) |
| continue; |
| } |
| |
| return (tp); |
| } |
| return NULL; |
| } |
| |
| /* |
| * Return connections opened by process. |
| */ |
| static PyObject* |
| get_process_connections(PyObject* self, PyObject* args) |
| { |
| long pid; |
| int i, cnt; |
| |
| struct kinfo_file *freep = NULL; |
| struct kinfo_file *kif; |
| struct kinfo_proc kipp; |
| char *tcplist = NULL; |
| struct tcpcb *tcp; |
| |
| PyObject *retList = PyList_New(0); |
| PyObject *tuple = NULL; |
| PyObject *laddr = NULL; |
| PyObject *raddr = NULL; |
| PyObject *af_filter = NULL; |
| PyObject *type_filter = NULL; |
| PyObject* _family = NULL; |
| PyObject* _type = NULL; |
| |
| if (retList == NULL) { |
| return NULL; |
| } |
| if (! PyArg_ParseTuple(args, "lOO", &pid, &af_filter, &type_filter)) { |
| goto error; |
| } |
| if (!PySequence_Check(af_filter) || !PySequence_Check(type_filter)) { |
| PyErr_SetString(PyExc_TypeError, "arg 2 or 3 is not a sequence"); |
| goto error; |
| } |
| |
| if (psutil_get_kinfo_proc(pid, &kipp) == -1) { |
| goto error; |
| } |
| |
| freep = kinfo_getfile(pid, &cnt); |
| if (freep == NULL) { |
| psutil_raise_ad_or_nsp(pid); |
| goto error; |
| } |
| |
| tcplist = psutil_fetch_tcplist(); |
| if (tcplist == NULL) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| for (i = 0; i < cnt; i++) { |
| int lport, rport; |
| char lip[200], rip[200]; |
| char path[PATH_MAX]; |
| char *state; |
| int inseq; |
| tuple = NULL; |
| laddr = NULL; |
| raddr = NULL; |
| |
| kif = &freep[i]; |
| if (kif->kf_type == KF_TYPE_SOCKET) |
| { |
| // apply filters |
| _family = PyLong_FromLong((long)kif->kf_sock_domain); |
| inseq = PySequence_Contains(af_filter, _family); |
| Py_DECREF(_family); |
| if (inseq == 0) { |
| continue; |
| } |
| _type = PyLong_FromLong((long)kif->kf_sock_type); |
| inseq = PySequence_Contains(type_filter, _type); |
| Py_DECREF(_type); |
| if (inseq == 0) { |
| continue; |
| } |
| |
| // IPv4 / IPv6 socket |
| if ((kif->kf_sock_domain == AF_INET) || |
| (kif->kf_sock_domain == AF_INET6)) { |
| // fill status |
| state = ""; |
| if (kif->kf_sock_type == SOCK_STREAM) { |
| tcp = psutil_search_tcplist(tcplist, kif); |
| if (tcp != NULL) |
| state = get_connection_status((int)tcp->t_state); |
| } |
| |
| // build addr and port |
| inet_ntop(kif->kf_sock_domain, |
| psutil_sockaddr_addr(kif->kf_sock_domain, &kif->kf_sa_local), |
| lip, sizeof(lip)); |
| inet_ntop(kif->kf_sock_domain, |
| psutil_sockaddr_addr(kif->kf_sock_domain, &kif->kf_sa_peer), |
| rip, sizeof(rip)); |
| lport = htons(psutil_sockaddr_port(kif->kf_sock_domain, |
| &kif->kf_sa_local)); |
| rport = htons(psutil_sockaddr_port(kif->kf_sock_domain, |
| &kif->kf_sa_peer)); |
| |
| // construct python tuple/list |
| laddr = Py_BuildValue("(si)", lip, lport); |
| if (!laddr) |
| goto error; |
| if (rport != 0) { |
| raddr = Py_BuildValue("(si)", rip, rport); |
| } |
| else { |
| raddr = Py_BuildValue("()"); |
| } |
| if (!raddr) |
| goto error; |
| tuple = Py_BuildValue("(iiiNNs)", kif->kf_fd, |
| kif->kf_sock_domain, |
| kif->kf_sock_type, |
| laddr, |
| raddr, |
| state); |
| if (!tuple) |
| goto error; |
| if (PyList_Append(retList, tuple)) |
| goto error; |
| Py_DECREF(tuple); |
| } |
| // UNIX socket |
| else if (kif->kf_sock_domain == AF_UNIX) { |
| struct sockaddr_un *sun; |
| |
| sun = (struct sockaddr_un *)&kif->kf_sa_local; |
| snprintf(path, sizeof(path), "%.*s", |
| (sun->sun_len - (sizeof(*sun) - sizeof(sun->sun_path))), |
| sun->sun_path); |
| |
| tuple = Py_BuildValue("(iiisOs)", kif->kf_fd, |
| kif->kf_sock_domain, |
| kif->kf_sock_type, |
| path, |
| Py_None, |
| ""); |
| if (!tuple) |
| goto error; |
| if (PyList_Append(retList, tuple)) |
| goto error; |
| Py_DECREF(tuple); |
| Py_INCREF(Py_None); |
| } |
| } |
| } |
| free(freep); |
| free(tcplist); |
| return retList; |
| |
| error: |
| Py_XDECREF(tuple); |
| Py_XDECREF(laddr); |
| Py_XDECREF(raddr); |
| Py_DECREF(retList); |
| if (freep != NULL) |
| free(freep); |
| if (tcplist != NULL) |
| free(tcplist); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python list of tuple representing per-cpu times |
| */ |
| static PyObject* |
| get_system_per_cpu_times(PyObject* self, PyObject* args) |
| { |
| static int maxcpus; |
| int mib[2]; |
| int ncpu; |
| size_t len; |
| size_t size; |
| int i; |
| PyObject* py_retlist = PyList_New(0); |
| PyObject* py_cputime = NULL; |
| |
| if (py_retlist == NULL) |
| return NULL; |
| |
| // retrieve maxcpus value |
| size = sizeof(maxcpus); |
| if (sysctlbyname("kern.smp.maxcpus", &maxcpus, &size, NULL, 0) < 0) { |
| Py_DECREF(py_retlist); |
| PyErr_SetFromErrno(0); |
| return NULL; |
| } |
| long cpu_time[maxcpus][CPUSTATES]; |
| |
| // retrieve the number of cpus |
| mib[0] = CTL_HW; |
| mib[1] = HW_NCPU; |
| len = sizeof(ncpu); |
| if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == -1) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| // per-cpu info |
| size = sizeof(cpu_time); |
| if (sysctlbyname("kern.cp_times", &cpu_time, &size, NULL, 0) == -1) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| for (i = 0; i < ncpu; i++) { |
| py_cputime = Py_BuildValue("(ddddd)", |
| (double)cpu_time[i][CP_USER] / CLOCKS_PER_SEC, |
| (double)cpu_time[i][CP_NICE] / CLOCKS_PER_SEC, |
| (double)cpu_time[i][CP_SYS] / CLOCKS_PER_SEC, |
| (double)cpu_time[i][CP_IDLE] / CLOCKS_PER_SEC, |
| (double)cpu_time[i][CP_INTR] / CLOCKS_PER_SEC |
| ); |
| if (!py_cputime) |
| goto error; |
| if (PyList_Append(py_retlist, py_cputime)) |
| goto error; |
| Py_DECREF(py_cputime); |
| } |
| |
| return py_retlist; |
| |
| error: |
| Py_XDECREF(py_cputime); |
| Py_DECREF(py_retlist); |
| return NULL; |
| } |
| |
| |
| // remove spaces from string |
| void remove_spaces(char *str) { |
| char *p1 = str; |
| char *p2 = str; |
| do |
| while (*p2 == ' ') |
| p2++; |
| while (*p1++ = *p2++); |
| } |
| |
| /* |
| * Return a list of tuples for every process memory maps. |
| * 'procstat' cmdline utility has been used as an example. |
| */ |
| static PyObject* |
| get_process_memory_maps(PyObject* self, PyObject* args) |
| { |
| long pid; |
| int ptrwidth; |
| int i, cnt; |
| char addr[30]; |
| char perms[4]; |
| const char *path; |
| struct kinfo_proc kp; |
| struct kinfo_vmentry *freep = NULL; |
| struct kinfo_vmentry *kve; |
| ptrwidth = 2*sizeof(void *); |
| PyObject* pytuple = NULL; |
| PyObject* retlist = PyList_New(0); |
| |
| if (retlist == NULL) { |
| return NULL; |
| } |
| if (! PyArg_ParseTuple(args, "l", &pid)) { |
| goto error; |
| } |
| if (psutil_get_kinfo_proc(pid, &kp) == -1) { |
| goto error; |
| } |
| |
| freep = kinfo_getvmmap(pid, &cnt); |
| if (freep == NULL) { |
| psutil_raise_ad_or_nsp(pid); |
| goto error; |
| } |
| for (i = 0; i < cnt; i++) { |
| pytuple = NULL; |
| kve = &freep[i]; |
| addr[0] = '\0'; |
| perms[0] = '\0'; |
| sprintf(addr, "%#*jx-%#*jx", ptrwidth, (uintmax_t)kve->kve_start, |
| ptrwidth, (uintmax_t)kve->kve_end); |
| remove_spaces(addr); |
| strlcat(perms, kve->kve_protection & KVME_PROT_READ ? "r" : "-", |
| sizeof(perms)); |
| strlcat(perms, kve->kve_protection & KVME_PROT_WRITE ? "w" : "-", |
| sizeof(perms)); |
| strlcat(perms, kve->kve_protection & KVME_PROT_EXEC ? "x" : "-", |
| sizeof(perms)); |
| |
| |
| if (strlen(kve->kve_path) == 0) { |
| switch (kve->kve_type) { |
| case KVME_TYPE_NONE: |
| path = "[none]"; |
| break; |
| case KVME_TYPE_DEFAULT: |
| path = "[default]"; |
| break; |
| case KVME_TYPE_VNODE: |
| path = "[vnode]"; |
| break; |
| case KVME_TYPE_SWAP: |
| path = "[swap]"; |
| break; |
| case KVME_TYPE_DEVICE: |
| path = "[device]"; |
| break; |
| case KVME_TYPE_PHYS: |
| path = "[phys]"; |
| break; |
| case KVME_TYPE_DEAD: |
| path = "[dead]"; |
| break; |
| case KVME_TYPE_SG: |
| path = "[sg]"; |
| break; |
| case KVME_TYPE_UNKNOWN: |
| path = "[unknown]"; |
| break; |
| default: |
| path = "[?]"; |
| break; |
| } |
| } |
| else { |
| path = kve->kve_path; |
| } |
| |
| pytuple = Py_BuildValue("sssiiii", |
| addr, // "start-end" address |
| perms, // "rwx" permissions |
| path, // path |
| kve->kve_resident, // rss |
| kve->kve_private_resident, // private |
| kve->kve_ref_count, // ref count |
| kve->kve_shadow_count // shadow count |
| ); |
| if (!pytuple) |
| goto error; |
| if (PyList_Append(retlist, pytuple)) |
| goto error; |
| Py_DECREF(pytuple); |
| } |
| free(freep); |
| return retlist; |
| |
| error: |
| Py_XDECREF(pytuple); |
| Py_DECREF(retlist); |
| if (freep != NULL) |
| free(freep); |
| return NULL; |
| } |
| #endif |
| |
| |
| /* |
| * Return a list of tuples including device, mount point and fs type |
| * for all partitions mounted on the system. |
| */ |
| static PyObject* |
| get_disk_partitions(PyObject* self, PyObject* args) |
| { |
| int num; |
| int i; |
| long len; |
| uint64_t flags; |
| char opts[200]; |
| struct statfs *fs = NULL; |
| PyObject* py_retlist = PyList_New(0); |
| PyObject* py_tuple = NULL; |
| |
| if (py_retlist == NULL) |
| return NULL; |
| |
| // get the number of mount points |
| Py_BEGIN_ALLOW_THREADS |
| num = getfsstat(NULL, 0, MNT_NOWAIT); |
| Py_END_ALLOW_THREADS |
| if (num == -1) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| len = sizeof(*fs) * num; |
| fs = malloc(len); |
| if (fs == NULL) { |
| PyErr_NoMemory(); |
| goto error; |
| } |
| |
| Py_BEGIN_ALLOW_THREADS |
| num = getfsstat(fs, len, MNT_NOWAIT); |
| Py_END_ALLOW_THREADS |
| if (num == -1) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| for (i = 0; i < num; i++) { |
| py_tuple = NULL; |
| opts[0] = 0; |
| flags = fs[i].f_flags; |
| |
| // see sys/mount.h |
| if (flags & MNT_RDONLY) |
| strlcat(opts, "ro", sizeof(opts)); |
| else |
| strlcat(opts, "rw", sizeof(opts)); |
| if (flags & MNT_SYNCHRONOUS) |
| strlcat(opts, ",sync", sizeof(opts)); |
| if (flags & MNT_NOEXEC) |
| strlcat(opts, ",noexec", sizeof(opts)); |
| if (flags & MNT_NOSUID) |
| strlcat(opts, ",nosuid", sizeof(opts)); |
| if (flags & MNT_UNION) |
| strlcat(opts, ",union", sizeof(opts)); |
| if (flags & MNT_ASYNC) |
| strlcat(opts, ",async", sizeof(opts)); |
| if (flags & MNT_SUIDDIR) |
| strlcat(opts, ",suiddir", sizeof(opts)); |
| if (flags & MNT_SOFTDEP) |
| strlcat(opts, ",softdep", sizeof(opts)); |
| if (flags & MNT_NOSYMFOLLOW) |
| strlcat(opts, ",nosymfollow", sizeof(opts)); |
| if (flags & MNT_GJOURNAL) |
| strlcat(opts, ",gjournal", sizeof(opts)); |
| if (flags & MNT_MULTILABEL) |
| strlcat(opts, ",multilabel", sizeof(opts)); |
| if (flags & MNT_ACLS) |
| strlcat(opts, ",acls", sizeof(opts)); |
| if (flags & MNT_NOATIME) |
| strlcat(opts, ",noatime", sizeof(opts)); |
| if (flags & MNT_NOCLUSTERR) |
| strlcat(opts, ",noclusterr", sizeof(opts)); |
| if (flags & MNT_NOCLUSTERW) |
| strlcat(opts, ",noclusterw", sizeof(opts)); |
| if (flags & MNT_NFS4ACLS) |
| strlcat(opts, ",nfs4acls", sizeof(opts)); |
| |
| py_tuple = Py_BuildValue("(ssss)", fs[i].f_mntfromname, // device |
| fs[i].f_mntonname, // mount point |
| fs[i].f_fstypename, // fs type |
| opts); // options |
| if (!py_tuple) |
| goto error; |
| if (PyList_Append(py_retlist, py_tuple)) |
| goto error; |
| Py_DECREF(py_tuple); |
| } |
| |
| free(fs); |
| return py_retlist; |
| |
| error: |
| Py_XDECREF(py_tuple); |
| Py_DECREF(py_retlist); |
| if (fs != NULL) |
| free(fs); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python list of named tuples with overall network I/O information |
| */ |
| static PyObject* |
| get_network_io_counters(PyObject* self, PyObject* args) |
| { |
| char *buf = NULL, *lim, *next; |
| struct if_msghdr *ifm; |
| int mib[6]; |
| size_t len; |
| PyObject* py_retdict = PyDict_New(); |
| PyObject* py_ifc_info = NULL; |
| if (py_retdict == NULL) |
| return NULL; |
| |
| mib[0] = CTL_NET; // networking subsystem |
| mib[1] = PF_ROUTE; // type of information |
| mib[2] = 0; // protocol (IPPROTO_xxx) |
| mib[3] = 0; // address family |
| mib[4] = NET_RT_IFLIST; // operation |
| mib[5] = 0; |
| |
| if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| buf = malloc(len); |
| if (buf == NULL) { |
| PyErr_NoMemory(); |
| goto error; |
| } |
| |
| if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| lim = buf + len; |
| |
| for (next = buf; next < lim; ) { |
| py_ifc_info = NULL; |
| ifm = (struct if_msghdr *)next; |
| next += ifm->ifm_msglen; |
| |
| if (ifm->ifm_type == RTM_IFINFO) { |
| struct if_msghdr *if2m = (struct if_msghdr *)ifm; |
| struct sockaddr_dl *sdl = (struct sockaddr_dl *)(if2m + 1); |
| char ifc_name[32]; |
| |
| strncpy(ifc_name, sdl->sdl_data, sdl->sdl_nlen); |
| ifc_name[sdl->sdl_nlen] = 0; |
| // XXX: ignore usbus interfaces: |
| // http://lists.freebsd.org/pipermail/freebsd-current/2011-October/028752.html |
| // 'ifconfig -a' doesn't show them, nor do we. |
| if (strncmp(ifc_name, "usbus", 5) == 0) { |
| continue; |
| } |
| |
| py_ifc_info = Py_BuildValue("(kkkkkkki)", |
| if2m->ifm_data.ifi_obytes, |
| if2m->ifm_data.ifi_ibytes, |
| if2m->ifm_data.ifi_opackets, |
| if2m->ifm_data.ifi_ipackets, |
| if2m->ifm_data.ifi_ierrors, |
| if2m->ifm_data.ifi_oerrors, |
| if2m->ifm_data.ifi_iqdrops, |
| 0); // dropout not supported |
| if (!py_ifc_info) |
| goto error; |
| if (PyDict_SetItemString(py_retdict, ifc_name, py_ifc_info)) |
| goto error; |
| Py_DECREF(py_ifc_info); |
| } |
| else { |
| continue; |
| } |
| } |
| |
| free(buf); |
| return py_retdict; |
| |
| error: |
| Py_XDECREF(py_ifc_info); |
| Py_DECREF(py_retdict); |
| if (buf != NULL) |
| free(buf); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return a Python dict of tuples for disk I/O information |
| */ |
| static PyObject* |
| get_disk_io_counters(PyObject* self, PyObject* args) |
| { |
| int i; |
| struct statinfo stats; |
| |
| PyObject* py_retdict = PyDict_New(); |
| PyObject* py_disk_info = NULL; |
| if (py_retdict == NULL) |
| return NULL; |
| |
| if (devstat_checkversion(NULL) < 0) { |
| PyErr_Format(PyExc_RuntimeError, "devstat_checkversion() failed"); |
| goto error; |
| } |
| |
| stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); |
| if (stats.dinfo == NULL) { |
| PyErr_NoMemory(); |
| goto error; |
| } |
| bzero(stats.dinfo, sizeof(struct devinfo)); |
| |
| if (devstat_getdevs(NULL, &stats) == -1) { |
| PyErr_Format(PyExc_RuntimeError, "devstat_getdevs() failed"); |
| goto error; |
| } |
| |
| for (i = 0; i < stats.dinfo->numdevs; i++) { |
| py_disk_info = NULL; |
| struct devstat current; |
| char disk_name[128]; |
| current = stats.dinfo->devices[i]; |
| snprintf(disk_name, sizeof(disk_name), "%s%d", |
| current.device_name, |
| current.unit_number); |
| |
| py_disk_info = Py_BuildValue("(KKKKLL)", |
| current.operations[DEVSTAT_READ], // no reads |
| current.operations[DEVSTAT_WRITE], // no writes |
| current.bytes[DEVSTAT_READ], // bytes read |
| current.bytes[DEVSTAT_WRITE], // bytes written |
| (long long)devstat_compute_etime( |
| ¤t.duration[DEVSTAT_READ], NULL), // r time |
| (long long)devstat_compute_etime( |
| ¤t.duration[DEVSTAT_WRITE], NULL) // w time |
| ); |
| if (!py_disk_info) |
| goto error; |
| if (PyDict_SetItemString(py_retdict, disk_name, py_disk_info)) |
| goto error; |
| Py_DECREF(py_disk_info); |
| } |
| |
| if (stats.dinfo->mem_ptr) { |
| free(stats.dinfo->mem_ptr); |
| } |
| free(stats.dinfo); |
| return py_retdict; |
| |
| error: |
| Py_XDECREF(py_disk_info); |
| Py_DECREF(py_retdict); |
| if (stats.dinfo != NULL) |
| free(stats.dinfo); |
| return NULL; |
| } |
| |
| |
| /* |
| * Return currently connected users as a list of tuples. |
| */ |
| static PyObject* |
| get_system_users(PyObject* self, PyObject* args) |
| { |
| PyObject *ret_list = PyList_New(0); |
| PyObject *tuple = NULL; |
| |
| if (ret_list == NULL) |
| return NULL; |
| |
| #if __FreeBSD_version < 900000 |
| struct utmp ut; |
| FILE *fp; |
| |
| fp = fopen(_PATH_UTMP, "r"); |
| if (fp == NULL) { |
| PyErr_SetFromErrno(0); |
| goto error; |
| } |
| |
| while (fread(&ut, sizeof(ut), 1, fp) == 1) { |
| if (*ut.ut_name == '\0') |
| continue; |
| tuple = Py_BuildValue("(sssf)", |
| ut.ut_name, // username |
| ut.ut_line, // tty |
| ut.ut_host, // hostname |
| (float)ut.ut_time // start time |
| ); |
| if (!tuple) { |
| fclose(fp); |
| goto error; |
| } |
| if (PyList_Append(ret_list, tuple)) { |
| fclose(fp); |
| goto error; |
| } |
| Py_DECREF(tuple); |
| } |
| |
| fclose(fp); |
| #else |
| struct utmpx *utx; |
| |
| while ((utx = getutxent()) != NULL) { |
| if (utx->ut_type != USER_PROCESS) |
| continue; |
| tuple = Py_BuildValue("(sssf)", |
| utx->ut_user, // username |
| utx->ut_line, // tty |
| utx->ut_host, // hostname |
| (float)utx->ut_tv.tv_sec // start time |
| ); |
| if (!tuple) { |
| endutxent(); |
| goto error; |
| } |
| if (PyList_Append(ret_list, tuple)) { |
| endutxent(); |
| goto error; |
| } |
| Py_DECREF(tuple); |
| } |
| |
| endutxent(); |
| #endif |
| return ret_list; |
| |
| error: |
| Py_XDECREF(tuple); |
| Py_DECREF(ret_list); |
| return NULL; |
| } |
| |
| |
| /* |
| * define the psutil C module methods and initialize the module. |
| */ |
| static PyMethodDef |
| PsutilMethods[] = |
| { |
| // --- per-process functions |
| |
| {"get_process_name", get_process_name, METH_VARARGS, |
| "Return process name"}, |
| {"get_process_connections", get_process_connections, METH_VARARGS, |
| "Return connections opened by process"}, |
| {"get_process_exe", get_process_exe, METH_VARARGS, |
| "Return process pathname executable"}, |
| {"get_process_cmdline", get_process_cmdline, METH_VARARGS, |
| "Return process cmdline as a list of cmdline arguments"}, |
| {"get_process_ppid", get_process_ppid, METH_VARARGS, |
| "Return process ppid as an integer"}, |
| {"get_process_uids", get_process_uids, METH_VARARGS, |
| "Return process real effective and saved user ids as a Python tuple"}, |
| {"get_process_gids", get_process_gids, METH_VARARGS, |
| "Return process real effective and saved group ids as a Python tuple"}, |
| {"get_process_cpu_times", get_process_cpu_times, METH_VARARGS, |
| "Return tuple of user/kern time for the given PID"}, |
| {"get_process_create_time", get_process_create_time, METH_VARARGS, |
| "Return a float indicating the process create time expressed in " |
| "seconds since the epoch"}, |
| {"get_process_memory_info", get_process_memory_info, METH_VARARGS, |
| "Return extended memory info for a process as a Python tuple."}, |
| {"get_process_num_threads", get_process_num_threads, METH_VARARGS, |
| "Return number of threads used by process"}, |
| {"get_process_num_ctx_switches", get_process_num_ctx_switches, METH_VARARGS, |
| "Return the number of context switches performed by process"}, |
| {"get_process_threads", get_process_threads, METH_VARARGS, |
| "Return process threads"}, |
| {"get_process_status", get_process_status, METH_VARARGS, |
| "Return process status as an integer"}, |
| {"get_process_io_counters", get_process_io_counters, METH_VARARGS, |
| "Return process IO counters"}, |
| {"get_process_tty_nr", get_process_tty_nr, METH_VARARGS, |
| "Return process tty (terminal) number"}, |
| #if defined(__FreeBSD_version) && __FreeBSD_version >= 800000 |
| {"get_process_open_files", get_process_open_files, METH_VARARGS, |
| "Return files opened by process as a list of (path, fd) tuples"}, |
| {"get_process_cwd", get_process_cwd, METH_VARARGS, |
| "Return process current working directory."}, |
| {"get_process_memory_maps", get_process_memory_maps, METH_VARARGS, |
| "Return a list of tuples for every process's memory map"}, |
| {"get_process_num_fds", get_process_num_fds, METH_VARARGS, |
| "Return the number of file descriptors opened by this process"}, |
| #endif |
| |
| // --- system-related functions |
| |
| {"get_pid_list", get_pid_list, METH_VARARGS, |
| "Returns a list of PIDs currently running on the system"}, |
| {"get_num_cpus", get_num_cpus, METH_VARARGS, |
| "Return number of CPUs on the system"}, |
| {"get_virtual_mem", get_virtual_mem, METH_VARARGS, |
| "Return system virtual memory usage statistics"}, |
| {"get_swap_mem", get_swap_mem, METH_VARARGS, |
| "Return swap mem stats"}, |
| {"get_system_cpu_times", get_system_cpu_times, METH_VARARGS, |
| "Return system cpu times as a tuple (user, system, nice, idle, irc)"}, |
| #if defined(__FreeBSD_version) && __FreeBSD_version >= 800000 |
| {"get_system_per_cpu_times", get_system_per_cpu_times, METH_VARARGS, |
| "Return system per-cpu times as a list of tuples"}, |
| #endif |
| {"get_system_boot_time", get_system_boot_time, METH_VARARGS, |
| "Return the system boot time expressed in seconds since the epoch."}, |
| {"get_disk_partitions", get_disk_partitions, METH_VARARGS, |
| "Return a list of tuples including device, mount point and " |
| "fs type for all partitions mounted on the system."}, |
| {"get_network_io_counters", get_network_io_counters, METH_VARARGS, |
| "Return dict of tuples of networks I/O information."}, |
| {"get_disk_io_counters", get_disk_io_counters, METH_VARARGS, |
| "Return a Python dict of tuples for disk I/O information"}, |
| {"get_system_users", get_system_users, METH_VARARGS, |
| "Return currently connected users as a list of tuples"}, |
| |
| {NULL, NULL, 0, NULL} |
| }; |
| |
| struct module_state { |
| PyObject *error; |
| }; |
| |
| #if PY_MAJOR_VERSION >= 3 |
| #define GETSTATE(m) ((struct module_state*)PyModule_GetState(m)) |
| #else |
| #define GETSTATE(m) (&_state) |
| #endif |
| |
| #if PY_MAJOR_VERSION >= 3 |
| |
| static int |
| psutil_bsd_traverse(PyObject *m, visitproc visit, void *arg) { |
| Py_VISIT(GETSTATE(m)->error); |
| return 0; |
| } |
| |
| static int |
| psutil_bsd_clear(PyObject *m) { |
| Py_CLEAR(GETSTATE(m)->error); |
| return 0; |
| } |
| |
| static struct PyModuleDef |
| moduledef = { |
| PyModuleDef_HEAD_INIT, |
| "psutil_bsd", |
| NULL, |
| sizeof(struct module_state), |
| PsutilMethods, |
| NULL, |
| psutil_bsd_traverse, |
| psutil_bsd_clear, |
| NULL |
| }; |
| |
| #define INITERROR return NULL |
| |
| PyObject * |
| PyInit__psutil_bsd(void) |
| |
| #else |
| #define INITERROR return |
| |
| void init_psutil_bsd(void) |
| #endif |
| { |
| #if PY_MAJOR_VERSION >= 3 |
| PyObject *module = PyModule_Create(&moduledef); |
| #else |
| PyObject *module = Py_InitModule("_psutil_bsd", PsutilMethods); |
| #endif |
| PyModule_AddIntConstant(module, "SSTOP", SSTOP); |
| PyModule_AddIntConstant(module, "SSLEEP", SSLEEP); |
| PyModule_AddIntConstant(module, "SRUN", SRUN); |
| PyModule_AddIntConstant(module, "SIDL", SIDL); |
| PyModule_AddIntConstant(module, "SWAIT", SWAIT); |
| PyModule_AddIntConstant(module, "SLOCK", SLOCK); |
| PyModule_AddIntConstant(module, "SZOMB", SZOMB); |
| |
| if (module == NULL) { |
| INITERROR; |
| } |
| #if PY_MAJOR_VERSION >= 3 |
| return module; |
| #endif |
| } |