bozo: test program update

Add -file option to test program to simulate program crashes.

Reviewed-on: http://gerrit.openafs.org/5533
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit e7302bcc9c4aa6f1e6a1ae8e5b498bcb0540aac9)

Change-Id: I0cf394c881da7c01f75a7926700f896a905e8172
Reviewed-on: http://gerrit.openafs.org/5723
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: Derrick Brashear <shadow@dementix.org>

diff --git a/src/bozo/test/testproc.c b/src/bozo/test/testproc.c
index 6243cc5b8a275c68da41db1c27dbbb334881186b..06dec34fa153b6e467aa5b5bd37e78df44c7b00e 100644 (file)
--- a/src/bozo/test/testproc.c
+++ b/src/bozo/test/testproc.c
@@ -9,21 +9,80 @@
 
 #include <sys/types.h>
 #include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 static int ignore = 0;
 static int sleepTime = 10;
+static int run = 1;
+static char *file = NULL;
 
-sigproc()
+void
+trim(char *s)
+{
+    char *p = strchr(s, '\n');
+    if (p) {
+       *p = '\0';
+    }
+}
+
+int
+readfile(void)
+{
+    FILE *fp;
+    int *bogus = NULL;
+    char buffer[256];
+    if (file) {
+       if ((fp = fopen(file, "r")) == NULL) {
+           fprintf(stderr, "Unable to open file %s\n", file);
+           exit(-1);
+       }
+       fgets(buffer, sizeof(buffer), fp);
+       trim(buffer);
+       if (strncmp(buffer, "sleep ", 6) == 0) {
+           int t = atoi(buffer + 6);
+           if (t) {
+               sleepTime = t;
+           }
+       }
+       if (strcmp(buffer, "run") == 0) {
+           run = 1;
+       }
+       if (strcmp(buffer, "return") == 0) {
+           run = 0;
+           sleepTime = 0;
+       }
+       if (strcmp(buffer, "exit") == 0) {
+           exit(1);
+       }
+       if (strcmp(buffer, "crash") == 0) {
+           *bogus = 1;         /* intentional */
+           exit(2);            /* should not reach */
+       }
+       fclose(fp);
+    }
+}
+
+void
+sigproc(int signo)
 {
     printf("testproc received signal\n");
     if (ignore)
-       return 0;
+       return;
     exit(0);
 }
 
-main(argc, argv)
-     int argc;
-     char **argv;
+void
+sigreload(int signo)
+{
+    readfile();
+    return;
+}
+
+
+int
+main(int argc, char **argv)
 {
     int i;
 
@@ -43,19 +102,36 @@ main(argc, argv)
 #endif
     signal(SIGTERM, sigproc);
     signal(SIGQUIT, sigproc);
+    signal(SIGHUP, sigreload);
+
     for (i = 1; i < argc; i++) {
        if (strcmp(argv[i], "-ignore") == 0) {
            ignore = 1;
        } else if (strcmp(argv[i], "-sleep") == 0) {
            sleepTime = atoi(argv[i + 1]);
            i++;
+       } else if (strcmp(argv[i], "-file") == 0) {
+           file = argv[i + 1];
+           i++;
        } else {
            printf("unrecognized option '%s', try one of\n", argv[i]);
            printf("-ignore         ignore SIGTERM signal\n");
            printf("-sleep <n>      sleep N seconds before exiting\n");
-           exit(1);
+           printf("-file <file>    read file for next action\n");
+           return 1;
        }
     }
-    sleep(sleepTime);
-    exit(0);
+
+    while (run) {
+       if (file) {
+           readfile();
+       } else {
+           run = 0;
+       }
+       if (sleepTime) {
+           sleep(sleepTime);
+       }
+    }
+
+    return 0;
 }