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0c89df6c NC |
1 | /* Copyright (C) 2011 Ericsson AB, Nils Carlson <nils.carlson@ericsson.com> |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | #include <stdio.h> | |
18 | #include <sys/types.h> | |
19 | #include <unistd.h> | |
2298f329 | 20 | #include <ust/ustctl.h> |
0c89df6c NC |
21 | #include "scanning_functions.h" |
22 | #include "usterr.h" | |
23 | #include "cli.h" | |
24 | ||
25 | static int set_subbuf_size(int argc, char *argv[]) | |
26 | { | |
8b26d56b | 27 | int sock, result = 0; |
0c89df6c NC |
28 | char *channel = NULL; |
29 | unsigned int size; | |
30 | ||
8b26d56b | 31 | sock = parse_and_connect_pid(argv[1]); |
0c89df6c NC |
32 | |
33 | if (scan_ch_and_num(argv[3], &channel, &size)) { | |
34 | fprintf(stderr, "Failed to scan channel and size from" | |
35 | " %s\n", argv[3]); | |
36 | if (channel) | |
37 | free(channel); | |
38 | return -1; | |
39 | } | |
8b26d56b | 40 | if (ustctl_set_subbuf_size(sock, argv[2], channel, size)) { |
0c89df6c | 41 | ERR("error while trying to set the size of subbuffers " |
8b26d56b NC |
42 | "for PID %s\n", |
43 | argv[1]); | |
0c89df6c NC |
44 | result = -1; |
45 | } | |
46 | ||
47 | free(channel); | |
48 | ||
49 | return result; | |
50 | } | |
51 | ||
52 | static int set_subbuf_num(int argc, char *argv[]) | |
53 | { | |
8b26d56b | 54 | int sock, result = 0; |
0c89df6c NC |
55 | char *channel = NULL; |
56 | unsigned int num; | |
57 | ||
8b26d56b | 58 | sock = parse_and_connect_pid(argv[1]); |
0c89df6c NC |
59 | |
60 | if (scan_ch_and_num(argv[3], &channel, &num)) { | |
61 | fprintf(stderr, "Failed to scan channel and number from" | |
62 | " %s\n", argv[3]); | |
63 | if (channel) | |
64 | free(channel); | |
65 | return -1; | |
66 | } | |
8b26d56b NC |
67 | if (ustctl_set_subbuf_num(sock, argv[2], channel, num)) { |
68 | ERR("error while trying to set the number of subbuffers for PID %s\n", | |
69 | argv[1]); | |
0c89df6c NC |
70 | result = -1; |
71 | } | |
72 | ||
73 | free(channel); | |
74 | ||
75 | return result; | |
76 | } | |
77 | ||
78 | static int get_subbuf_size(int argc, char *argv[]) | |
79 | { | |
8b26d56b | 80 | int sock; |
0c89df6c NC |
81 | unsigned int size; |
82 | ||
8b26d56b | 83 | sock = parse_and_connect_pid(argv[1]); |
0c89df6c | 84 | |
8b26d56b NC |
85 | if ((size = ustctl_get_subbuf_size(sock, argv[2], argv[3])) < 0) { |
86 | ERR("error while trying to get the subbuffer size from PID %s\n", | |
87 | argv[1]); | |
0c89df6c NC |
88 | return -1; |
89 | } | |
90 | ||
91 | printf("The subbufer size is %d bytes\n", size); | |
92 | ||
93 | return 0; | |
94 | } | |
95 | ||
96 | static int get_subbuf_num(int argc, char *argv[]) | |
97 | { | |
8b26d56b | 98 | int sock; |
0c89df6c NC |
99 | unsigned int num; |
100 | ||
8b26d56b | 101 | sock = parse_and_connect_pid(argv[1]); |
0c89df6c | 102 | |
8b26d56b NC |
103 | if ((num = ustctl_get_subbuf_num(sock, argv[2], argv[3])) < 0) { |
104 | ERR("error while trying to get the subbuffer size from PID %s\n", | |
105 | argv[1]); | |
0c89df6c NC |
106 | return -1; |
107 | } | |
108 | ||
109 | printf("There are %u subbufers in each buffer\n", num); | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | struct cli_cmd __cli_cmds channel_cmds[] = { | |
115 | { | |
116 | .name = "set-subbuf-size", | |
117 | .description = "Set the subbuffer size for a channel", | |
118 | .help_text = "set-subbuf-size <pid> <trace> <channel>/<size> \n" | |
119 | "Set the subbuffer size for a channel\n", | |
120 | .function = set_subbuf_size, | |
121 | .desired_args = 3, | |
122 | .desired_args_op = CLI_EQ, | |
123 | }, | |
124 | { | |
125 | .name = "set-subbuf-num", | |
126 | .description = "Set the number of subbuffers for a channel", | |
127 | .help_text = "set-subbuf-num <pid> <trace> <channel>/<num> \n" | |
128 | "Set the number of subbuffers for a channel\n", | |
129 | .function = set_subbuf_num, | |
130 | .desired_args = 3, | |
131 | .desired_args_op = CLI_EQ, | |
132 | }, | |
133 | { | |
134 | .name = "get-subbuf-size", | |
135 | .description = "Get the subbuffer size for a channel", | |
136 | .help_text = "get-subbuf-size <pid> <trace> <channel>\n" | |
137 | "Get the subbuffer size for a channel\n", | |
138 | .function = get_subbuf_size, | |
139 | .desired_args = 3, | |
140 | .desired_args_op = CLI_EQ, | |
141 | }, | |
142 | { | |
143 | .name = "get-subbuf-num", | |
144 | .description = "Get the number of subbuffers for a channel", | |
145 | .help_text = "get-subbuf-num <pid> <trace> <channel>\n" | |
146 | "Get the number of subbuffers for a channel\n", | |
147 | .function = get_subbuf_num, | |
148 | .desired_args = 3, | |
149 | .desired_args_op = CLI_EQ, | |
150 | }, | |
151 | }; |