def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
mem = _psutil_mswindows.get_virtual_mem()
total = mem[2]
free = mem[3]
used = total - free
percent = usage_percent(used, total, _round=1)
return nt_swapmeminfo(total, used, free, percent, 0, 0)
def virtual_memory():
"""System virtual memory as a namedtuple."""
mem = _psutil_mswindows.get_virtual_mem()
totphys, availphys, totpagef, availpagef, totvirt, freevirt = mem
#
total = totphys
avail = availphys
free = availphys
used = total - avail
percent = usage_percent((total - avail), total, _round=1)
return nt_virtmem_info(total, avail, percent, used, free)
# Since these constants get determined at import time we do not want to
# crash immediately; instead we'll set them to None and most likely
# we'll crash later as they're used for determining process CPU stats
# and creation_time
try:
NUM_CPUS = _psutil_mswindows.get_num_cpus()
except Exception:
NUM_CPUS = None
warnings.warn("couldn't determine platform's NUM_CPUS", RuntimeWarning)
try:
BOOT_TIME = _psutil_mswindows.get_system_boot_time()
except Exception:
BOOT_TIME = None
warnings.warn("couldn't determine platform's BOOT_TIME", RuntimeWarning)
try:
TOTAL_PHYMEM = _psutil_mswindows.get_virtual_mem()[0]
except Exception:
TOTAL_PHYMEM = None
warnings.warn("couldn't determine platform's TOTAL_PHYMEM", RuntimeWarning)
CONN_DELETE_TCB = constant(11, "DELETE_TCB")
WAIT_TIMEOUT = 0x00000102 # 258 in decimal
ACCESS_DENIED_SET = frozenset([errno.EPERM, errno.EACCES, ERROR_ACCESS_DENIED])
TCP_STATES_TABLE = {
_psutil_mswindows.MIB_TCP_STATE_ESTAB : CONN_ESTABLISHED,
_psutil_mswindows.MIB_TCP_STATE_SYN_SENT : CONN_SYN_SENT,
_psutil_mswindows.MIB_TCP_STATE_SYN_RCVD : CONN_SYN_RECV,
_psutil_mswindows.MIB_TCP_STATE_FIN_WAIT1 : CONN_FIN_WAIT1,
_psutil_mswindows.MIB_TCP_STATE_FIN_WAIT2 : CONN_FIN_WAIT2,
_psutil_mswindows.MIB_TCP_STATE_TIME_WAIT : CONN_TIME_WAIT,
_psutil_mswindows.MIB_TCP_STATE_CLOSED : CONN_CLOSE,
