#include <getopt.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <regex.h>
#include "ustcomm.h"
#include "ustcmd.h"
DISABLE_MARKER,
GET_ONLINE_PIDS,
UNKNOWN
-};
+};
struct ust_opts {
enum command cmd;
pid_t *pids;
- char* m_name;
+ char* regex;
+ regex_t preg;
+ int regex_state;
};
char *progname = NULL;
int c;
opts->pids = NULL;
- opts->m_name = NULL;
+ opts->regex = NULL;
+ opts->regex_state = -1;
while (1) {
int option_index = 0;
break;
case 1007:
opts->cmd = ENABLE_MARKER;
- opts->m_name = strdup(optarg);
+ opts->regex = strdup(optarg);
break;
case 1008:
opts->cmd = DISABLE_MARKER;
- opts->m_name = strdup(optarg);
+ opts->regex = strdup(optarg);
break;
case 1011:
opts->cmd = GET_ONLINE_PIDS;
}
}
- if(argc - optind > 0 && opts->cmd != GET_ONLINE_PIDS) {
+ if (argc - optind > 0 && opts->cmd != GET_ONLINE_PIDS) {
int i;
int pididx=0;
opts->pids = malloc((argc-optind+1) * sizeof(pid_t));
opts->pids[pididx] = -1;
}
+ if (opts->cmd == ENABLE_MARKER || opts->cmd == DISABLE_MARKER) {
+ if (opts->regex_state = regcomp(&opts->preg, opts->regex, 0)) {
+ fprintf(stderr, "Invalid regular expression.\n");
+ }
+ }
+
return 0;
}
+static void regex_change_m_state(struct ust_opts* opts, pid_t pid) {
+ struct USTcmd_cmsf* cmsf = NULL;
+ unsigned int i = 0;
+ int e = (opts->cmd == ENABLE_MARKER);
+
+ if (opts->regex_state != 0) {
+ return;
+ }
+
+ if (ustcmd_get_cmsf(&cmsf, pid)) {
+ fprintf(stderr, "error while trying to get markers for PID "
+ "%u\n", (unsigned int) pid);
+ return;
+ }
+ while (cmsf[i].channel != NULL) {
+ char* mc;
+ asprintf(&mc, "%s/%s", cmsf[i].channel, cmsf[i].marker);
+ if (regexec(&opts->preg, mc, 0, NULL, 0) == 0) {
+ /* We got a match! */
+ if (ustcmd_set_marker_state(mc,
+ e ? USTCMD_MS_ON : USTCMD_MS_OFF, pid)) {
+ fprintf(stderr,
+ "error while trying to %sable marker"
+ "\"%s\" for PID %u\n",
+ e ? "en" : "dis", mc,
+ (unsigned int) pid);
+ } else {
+ printf("sucessfully %sabled marker "
+ "\"%s\" for PID %u\n",
+ e ? "en" : "dis", mc,
+ (unsigned int) pid);
+ }
+ }
+ free(mc);
+ ++i;
+ }
+ ustcmd_free_cmsf(cmsf);
+}
+
int main(int argc, char *argv[])
{
pid_t *pidit;
- //char *msg = argv[2];
struct ustcomm_connection conn;
int result;
struct ust_opts opts;
usage();
exit(EXIT_FAILURE);
}
-
if (opts.cmd == GET_ONLINE_PIDS) {
pid_t* pp = ustcmd_get_online_pids();
unsigned int i = 0;
}
free(pp);
}
-
+
exit(EXIT_SUCCESS);
}
pidit = opts.pids;
struct USTcmd_cmsf* cmsf = NULL;
-
+
while(*pidit != -1) {
switch (opts.cmd) {
case START_TRACE:
printf("sucessfully started trace for PID %u\n",
(unsigned int) *pidit);
break;
-
+
case STOP_TRACE:
if (ustcmd_stop_trace(*pidit)) {
fprintf(stderr,
printf("sucessfully stopped trace for PID %u\n",
(unsigned int) *pidit);
break;
-
+
case START:
if (ustcmd_setup_and_start(*pidit)) {
fprintf(stderr,
printf("sucessfully setup/started trace for PID %u\n",
(unsigned int) *pidit);
break;
-
+
case DESTROY:
if (ustcmd_destroy_trace(*pidit)) {
fprintf(stderr,
printf("sucessfully destroyed trace for PID %u\n",
(unsigned int) *pidit);
break;
-
+
case LIST_MARKERS:
cmsf = NULL;
if (ustcmd_get_cmsf(&cmsf, *pidit)) {
}
ustcmd_free_cmsf(cmsf);
break;
-
+
case ENABLE_MARKER:
- if (ustcmd_set_marker_state(opts.m_name, USTCMD_MS_ON,
- *pidit)) {
-
- fprintf(stderr,
- "error while trying to enable marker"
- "\"%s\" for PID %u\n",
- opts.m_name,
- (unsigned int) *pidit);
- break;
- }
- printf("sucessfully enabled marker \"%s\" for PID %u\n",
- opts.m_name, (unsigned int) *pidit);
- break;
-
case DISABLE_MARKER:
- if (ustcmd_set_marker_state(opts.m_name, USTCMD_MS_OFF,
- *pidit)) {
- fprintf(stderr,
- "error while trying to disable marker"
- "\"%s\" for PID %u\n",
- opts.m_name,
- (unsigned int) *pidit);
- break;
- }
- printf("sucessfully disabled marker \"%s\" for PID %u\n",
- opts.m_name, (unsigned int) *pidit);
+ regex_change_m_state(&opts, *pidit);
break;
-
+
default:
fprintf(stderr, "error: unknown command...\n");
break;
}
-
+
pidit++;
}
- free(opts.pids);
- if (opts.m_name != NULL) {
- free(opts.m_name);
+ exit_free:
+ if (opts.pids != NULL) {
+ free(opts.pids);
+ }
+ if (opts.regex != NULL) {
+ free(opts.regex);
}
return 0;