/var/lib/pcp/testsuite/src/rootclient.c is in pcp-testsuite 3.10.8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /*
* Copyright (c) 2015 Red Hat. All Rights Reserved.
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
#include <pcp/pmda.h>
static int rootfd;
static const char *sockname;
static pmLongOptions longopts[] = {
PMOPT_DEBUG,
{ "container", 1, 'c', "NAME",
"specify an individual container to be targetted" },
{ "process", 1, 'p', "PID",
"specify the process identifier to be targetted" },
{ "socket", 1, 's', "PATH",
"pmdaroot socket file [default $PCP_TMP_DIR/pmcd/root.socket]" },
{ "hostname", 0, 'H', NULL, "Lookup container hostname" },
{ "cgroup", 0, 'C', NULL, "Lookup container cgroup name" },
{ "pid", 0, 'P', NULL, "Lookup PID for a container" },
PMOPT_HELP,
PMAPI_OPTIONS_END
};
static pmOptions opts = {
.short_options = "D:c:p:s:CHP?",
.long_options = longopts,
};
int
main(int argc, char **argv)
{
int c, sts;
int Cflag = 0;
int Hflag = 0;
int Pflag = 0;
int length = 0;
char *contain = NULL;
char buffer[BUFSIZ];
while ((c = pmgetopt_r(argc, argv, &opts)) != EOF) {
switch (c) {
case 'D': /* enable debugging */
sts = __pmParseDebug(opts.optarg);
if (sts < 0) {
pmprintf("%s: unrecognized debug flag specification (%s)\n",
pmProgname, opts.optarg);
opts.errors++;
}
else
pmDebug |= sts;
break;
case 'c': /* target container name */
contain = opts.optarg;
length = strlen(contain);
break;
case 'p': /* target process identifier */
contain = NULL;
length = atoi(opts.optarg);
break;
case 's': /* socket name */
sockname = opts.optarg;
break;
case 'C':
Cflag = 1;
break;
case 'H':
Hflag = 1;
break;
case 'P':
Pflag = 1;
break;
case '?':
default:
opts.errors++;
break;
}
}
if (opts.errors) {
pmUsageMessage(&opts);
exit(1);
}
if ((rootfd = pmdaRootConnect(sockname)) < 0) {
fprintf(stderr, "pmdaRootConnect: %s\n", pmErrStr(rootfd));
exit(1);
}
if (Hflag) {
sts = pmdaRootContainerHostName(rootfd, contain, length, buffer, BUFSIZ);
if (sts < 0) {
fprintf(stderr, "pmdaRootContainerHostName: %s\n", pmErrStr(sts));
exit(1);
}
printf("Hostname: %s\n", buffer);
}
if (Cflag) {
sts = pmdaRootContainerCGroupName(rootfd, contain, length, buffer, BUFSIZ);
if (sts < 0) {
fprintf(stderr, "pmdaRootContainerCGroupName: %s\n", pmErrStr(sts));
exit(1);
}
printf("CGroup: %s\n", buffer);
}
if (Pflag) {
sts = pmdaRootContainerProcessID(rootfd, contain, length);
if (sts < 0) {
fprintf(stderr, "pmdaRootContainerProcessID: %s\n", pmErrStr(sts));
exit(1);
}
printf("PID: %d\n", sts);
}
pmdaRootShutdown(rootfd);
return 0;
}
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