Commit | Line | Data |
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fbd8191b PMF |
1 | #include <unistd.h> |
2 | #include <getopt.h> | |
3 | #include <stdlib.h> | |
4 | #include <stdio.h> | |
5 | #include <fcntl.h> | |
fbd8191b | 6 | |
f9e5ce61 | 7 | #include "ustcomm.h" |
fbd8191b | 8 | |
52c51a47 PMF |
9 | struct ust_opts { |
10 | char *cmd; | |
11 | pid_t *pids; | |
12 | int take_reply; | |
13 | }; | |
14 | ||
15 | int parse_opts_long(int argc, char **argv, struct ust_opts *opts) | |
fbd8191b | 16 | { |
52c51a47 PMF |
17 | int c; |
18 | int digit_optind = 0; | |
19 | ||
20 | opts->cmd = NULL; | |
21 | opts->pids = NULL; | |
22 | opts->take_reply = 0; | |
23 | ||
24 | while (1) { | |
25 | int this_option_optind = optind ? optind : 1; | |
26 | int option_index = 0; | |
27 | static struct option long_options[] = { | |
28 | {"start-trace", 0, 0, 1000}, | |
29 | {"stop-trace", 0, 0, 1001}, | |
30 | {"destroy-trace", 0, 0, 1002}, | |
31 | {"list-markers", 0, 0, 1004}, | |
32 | {"print-markers", 0, 0, 1005}, | |
33 | {"pid", 1, 0, 1006}, | |
34 | {"enable-marker", 1, 0, 1007}, | |
35 | {"disable-marker", 1, 0, 1008}, | |
36 | {"start", 0, 0, 1009}, | |
d373b5cd PMF |
37 | {"help", 0, 0, 'h'}, |
38 | {"version", 0, 0, 1010}, | |
52c51a47 PMF |
39 | {0, 0, 0, 0} |
40 | }; | |
41 | ||
d373b5cd | 42 | c = getopt_long(argc, argv, "h", long_options, &option_index); |
52c51a47 PMF |
43 | if (c == -1) |
44 | break; | |
45 | ||
46 | switch (c) { | |
47 | case 0: | |
48 | printf("option %s", long_options[option_index].name); | |
49 | if (optarg) | |
50 | printf(" with arg %s", optarg); | |
51 | printf("\n"); | |
52 | break; | |
53 | ||
54 | case 1000: | |
55 | opts->cmd = strdup("trace_start"); | |
56 | break; | |
57 | case 1001: | |
58 | opts->cmd = strdup("trace_stop"); | |
59 | break; | |
60 | case 1009: | |
61 | opts->cmd = strdup("start"); | |
62 | break; | |
63 | case 1002: | |
64 | opts->cmd = strdup("trace_destroy"); | |
65 | break; | |
66 | case 1004: | |
67 | opts->cmd = strdup("list_markers"); | |
68 | opts->take_reply = 1; | |
69 | break; | |
70 | case 1007: | |
71 | asprintf(&opts->cmd, "enable_marker %s", optarg); | |
72 | break; | |
73 | case 1008: | |
74 | asprintf(&opts->cmd, "disable_marker %s", optarg); | |
75 | break; | |
d373b5cd PMF |
76 | case 'h': |
77 | usage(); | |
78 | exit(0); | |
79 | case 1010: | |
80 | printf("Version 0\n"); | |
52c51a47 PMF |
81 | |
82 | default: | |
83 | /* unknown option or other error; error is printed by getopt, just return */ | |
84 | return 1; | |
fbd8191b PMF |
85 | } |
86 | } | |
87 | ||
52c51a47 PMF |
88 | if(argc - optind > 0) { |
89 | int i; | |
90 | int pididx=0; | |
91 | opts->pids = malloc((argc-optind+1) * sizeof(pid_t)); | |
fbd8191b | 92 | |
52c51a47 PMF |
93 | for(i=optind; i<argc; i++) { |
94 | opts->pids[pididx++] = atoi(argv[i]); | |
95 | } | |
96 | opts->pids[pididx] = -1; | |
fbd8191b PMF |
97 | } |
98 | ||
52c51a47 PMF |
99 | return 0; |
100 | } | |
fbd8191b | 101 | |
52c51a47 | 102 | char *progname = NULL; |
fbd8191b | 103 | |
52c51a47 PMF |
104 | void usage(void) |
105 | { | |
d373b5cd | 106 | fprintf(stderr, "usage: %s [OPTIONS] COMMAND PID...\n", progname); |
52c51a47 PMF |
107 | fprintf(stderr, "\nControl the tracing of a process that supports LTTng Userspace Tracing.\n\ |
108 | \n\ | |
d373b5cd PMF |
109 | Commands:\n\ |
110 | --start-trace\t\t\tStart tracing\n\ | |
111 | --stop-trace\t\t\tStop tracing\n\ | |
112 | --destroy-trace\t\t\tDestroy the trace\n\ | |
113 | --enable-marker CHANNEL/MARKER\tEnable a marker\n\ | |
114 | --disable-marker CHANNEL/MARKER\tDisable a marker\n\ | |
115 | --list-markers\tList the markers of the process and their state\n\ | |
52c51a47 PMF |
116 | \n\ |
117 | "); | |
fbd8191b PMF |
118 | } |
119 | ||
fbd8191b PMF |
120 | int main(int argc, char *argv[]) |
121 | { | |
52c51a47 PMF |
122 | pid_t *pidit; |
123 | //char *msg = argv[2]; | |
124 | struct ustcomm_connection conn; | |
125 | int result; | |
126 | struct ust_opts opts; | |
fbd8191b | 127 | |
52c51a47 | 128 | progname = argv[0]; |
fbd8191b | 129 | |
52c51a47 PMF |
130 | if(argc <= 1) { |
131 | fprintf(stderr, "No operation specified.\n"); | |
132 | usage(); | |
133 | exit(EXIT_FAILURE); | |
134 | } | |
135 | ||
136 | result = parse_opts_long(argc, argv, &opts); | |
137 | if(result) { | |
138 | usage(); | |
139 | exit(EXIT_FAILURE); | |
140 | } | |
141 | ||
142 | if(opts.pids == NULL) { | |
143 | fprintf(stderr, "No pid specified.\n"); | |
144 | usage(); | |
145 | exit(EXIT_FAILURE); | |
146 | } | |
147 | if(opts.cmd == NULL) { | |
148 | fprintf(stderr, "No command specified.\n"); | |
149 | usage(); | |
150 | exit(EXIT_FAILURE); | |
151 | } | |
152 | ||
153 | pidit = opts.pids; | |
154 | ||
155 | while(*pidit != -1) { | |
156 | char *reply; | |
157 | char **preply; | |
158 | ||
159 | if(opts.take_reply) | |
160 | preply = &reply; | |
161 | else | |
162 | preply = NULL; | |
163 | ||
164 | result = ustcomm_connect_app(*pidit, &conn); | |
165 | if(result) { | |
166 | fprintf(stderr, "error connecting to process\n"); | |
167 | exit(EXIT_FAILURE); | |
168 | } | |
169 | ustcomm_send_request(&conn, opts.cmd, preply); | |
170 | ||
171 | if(opts.take_reply) | |
172 | printf("%s", reply); | |
173 | pidit++; | |
174 | } | |
82b1a169 | 175 | |
52c51a47 PMF |
176 | free(opts.pids); |
177 | free(opts.cmd); | |
fbd8191b PMF |
178 | |
179 | return 0; | |
180 | } |