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
|
/*
* Ouroboros - Copyright (C) 2016 - 2020
*
* List names
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <ouroboros/irm.h>
#include <ouroboros/errno.h>
#include "irm_ops.h"
#include "irm_utils.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define RR "round-robin"
#define SPILL "spillover"
static char * str_pol(enum pol_balance p)
{
switch(p) {
case LB_RR:
return RR;
case LB_SPILL:
return SPILL;
default:
return "UNKNOWN";
}
};
int do_list_name(int argc,
char ** argv)
{
char * name = NULL;
struct name_info * names;
ssize_t len;
ssize_t i;
while (argc > 0) {
if (matches(*argv, "list") == 0) {
name = *(argv + 1);
} else {
printf("\"%s\" is unknown, try \"irm "
"name list.\n", *argv);
return -1;
}
argc -= 2;
argv += 2;
}
len = irm_list_names(&names);
if (len == 0) {
printf("No names in system.\n\n");
return 0;
} else if (len == -EIRMD) {
printf("Failed to communicate with the "
"Ouroboros IPC Resource Manager daemon.\n");
return -1;
} else if (len < 0)
return len;
printf("+----------------------------------------------------"
"+----------------------+\n");
printf("| %50s | %20s |\n", "name", "load-balance policy");
printf("+----------------------------------------------------"
"+----------------------+\n");
for (i = 0; i < len; i++) {
if (name != NULL && matches(names[i].name, name))
continue;
printf("| %50s | %20s |\n",
names[i].name,
str_pol(names[i].pol_lb));
}
printf("+----------------------------------------------------"
"+----------------------+\n");
free(names);
return 0;
}
|
