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[SIGAR-75] Implement sigar_proc_port_get for MacOSX

This commit is contained in:
Doug MacEachern 2007-12-01 23:34:02 +00:00
parent 8e121852bd
commit b12956364f
1 changed files with 94 additions and 1 deletions
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95
src/os/darwin/darwin_sigar.c
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@ -45,6 +45,9 @@
#include <IOKit/IOKitLib.h>
#include <IOKit/IOTypes.h>
#include <IOKit/storage/IOBlockStorageDriver.h>
#ifdef DARWIN_HAS_LIBPROC_H
#include <sys/libproc.h>
#endif
#else
#include <sys/dkstat.h>
#include <sys/types.h>
@ -2468,7 +2471,7 @@ int sigar_nfs_server_v3_get(sigar_t *sigar,
return SIGAR_OK;
}
#ifdef __FreeBSD__
#if defined(__FreeBSD__)
#define _KERNEL
#include <sys/file.h>
@ -2591,6 +2594,96 @@ int sigar_proc_port_get(sigar_t *sigar, int protocol,
return ENOENT;
}
#elif defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H)
#define FDS_INCR (PROC_PIDLISTFD_SIZE * 32)
static int proc_fdinfo_get(sigar_t *sigar, sigar_pid_t pid, int *num)
{
int rsize;
if (sigar->ifconf_len == 0) {
sigar->ifconf_len = FDS_INCR;
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
while (1) {
rsize = proc_pidinfo(pid, PROC_PIDLISTFDS, 0,
sigar->ifconf_buf, sigar->ifconf_len);
if (rsize <= 0) {
return errno;
}
if ((rsize + PROC_PIDLISTFD_SIZE) < sigar->ifconf_len) {
break;
}
sigar->ifconf_len += FDS_INCR;
sigar->ifconf_buf = realloc(sigar->ifconf_buf, sigar->ifconf_len);
}
*num = rsize / PROC_PIDLISTFD_SIZE;
return SIGAR_OK;
}
int sigar_proc_port_get(sigar_t *sigar, int protocol,
unsigned long port, sigar_pid_t *pid)
{
sigar_proc_list_t pids;
int i, status, found=0;
status = sigar_proc_list_get(sigar, &pids);
if (status != SIGAR_OK) {
return status;
}
for (i=0; i<pids.number; i++) {
int n, num;
struct proc_fdinfo *fdinfo;
status = proc_fdinfo_get(sigar, pids.data[i], &num);
if (status != SIGAR_OK) {
continue;
}
fdinfo = (struct proc_fdinfo *)sigar->ifconf_buf;
for (n=0; n<num; n++) {
struct proc_fdinfo *fdp = &fdinfo[n];
struct socket_fdinfo si;
int rsize, family;
unsigned long lport;
if (fdp->proc_fdtype != PROX_FDTYPE_SOCKET) {
continue;
}
rsize = proc_pidfdinfo(pids.data[i], fdp->proc_fd,
PROC_PIDFDSOCKETINFO, &si, sizeof(si));
if (rsize != sizeof(si)) {
continue;
}
if (si.psi.soi_kind != SOCKINFO_TCP) {
continue;
}
if (si.psi.soi_proto.pri_tcp.tcpsi_state != TSI_S_LISTEN) {
continue;
}
family = si.psi.soi_family;
if (!((family == AF_INET) || (family == AF_INET6))) {
continue;
}
lport = ntohs(si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_lport);
if (lport == port) {
*pid = pids.data[i];
found = 1;
break;
}
}
}
sigar_proc_list_destroy(sigar, &pids);
return found ? SIGAR_OK : ENOENT;
}
#else
int sigar_proc_port_get(sigar_t *sigar, int protocol,