tests/regression/abi0-conflict/app_ust_dlopen.c

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
   5  */
   6
   7 #include <dlfcn.h>
   8 #include <stdbool.h>
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11 #include <unistd.h>
  12 #include <string.h>
  13 #include <arpa/inet.h>
  14
  15 #define LTTNG_UST_TRACEPOINT_DEFINE
  16 #include "ust_tests_hello.h"
  17
  18 #define LTTNG_UST_LIB_ABI0_SO_NAME "libfakeust0.so"
  19 #define LTTNG_UST_LIB_ABI1_SO_NAME "liblttng-ust.so.1"
  20
  21 static
  22 int dlopen_ust(const char *lib_soname)
  23 {
  24         int ret = EXIT_SUCCESS;
  25         void *handle;
  26
  27         handle = dlopen(lib_soname, RTLD_NOW | RTLD_GLOBAL);
  28         if (!handle) {
  29                 printf("Error: dlopen of liblttng-ust shared library (%s).\n", lib_soname);
  30                 ret = EXIT_FAILURE;
  31         } else {
  32                 printf("Success: dlopen of liblttng-ust shared library (%s).\n", lib_soname);
  33         }
  34
  35         return ret;
  36 }
  37
  38 static
  39 int dlopen_abi0(void)
  40 {
  41         return dlopen_ust(LTTNG_UST_LIB_ABI0_SO_NAME);
  42 }
  43
  44 static
  45 int dlopen_abi1(void)
  46 {
  47         return dlopen_ust(LTTNG_UST_LIB_ABI1_SO_NAME);
  48 }
  49
  50 static
  51 int dlopen_abi0_abi1(void)
  52 {
  53         int ret = EXIT_SUCCESS;
  54
  55         ret = dlopen_ust(LTTNG_UST_LIB_ABI0_SO_NAME);
  56         if (ret != EXIT_SUCCESS)
  57                 return ret;
  58
  59         ret = dlopen_ust(LTTNG_UST_LIB_ABI1_SO_NAME);
  60
  61         return ret;
  62 }
  63
  64 static
  65 int dlopen_abi1_abi0(void)
  66 {
  67         int ret = EXIT_SUCCESS;
  68
  69         ret = dlopen_ust(LTTNG_UST_LIB_ABI1_SO_NAME);
  70         if (ret != EXIT_SUCCESS)
  71                 return ret;
  72
  73         ret = dlopen_ust(LTTNG_UST_LIB_ABI0_SO_NAME);
  74
  75         return ret;
  76 }
  77
  78 static
  79 int dlopen_abi1_abi1(void)
  80 {
  81         int ret = EXIT_SUCCESS;
  82
  83         ret = dlopen_ust(LTTNG_UST_LIB_ABI1_SO_NAME);
  84         if (ret != EXIT_SUCCESS)
  85                 return ret;
  86
  87         ret = dlopen_ust(LTTNG_UST_LIB_ABI1_SO_NAME);
  88
  89         return ret;
  90 }
  91
  92 static
  93 void usage(char **argv)
  94 {
  95         printf("Usage: %s <test_type>\n", argv[0]);
  96         printf("  test_type: abi0, abi1, abi0_abi1, abi1_abi0, abi1_abi1\n");
  97 }
  98
  99 int main(int argc, char **argv)
 100 {
 101         int ret = EXIT_SUCCESS;
 102         const char *test_type;
 103
 104         int i, netint;
 105         long values[] = { 1, 2, 3 };
 106         char text[10] = "test";
 107         double dbl = 2.0;
 108         float flt = 2222.0;
 109         bool mybool = 123;      /* should print "1" */
 110
 111
 112         if (argc != 2) {
 113                 usage(argv);
 114                 return EXIT_FAILURE;
 115         } else {
 116                 test_type = argv[1];
 117         }
 118
 119         printf("This application is linked on liblttng-ust.\n");
 120
 121         if (strcmp(test_type, "abi0") == 0)
 122                 ret = dlopen_abi0();
 123         else if (strcmp(test_type, "abi1") == 0)
 124                 ret = dlopen_abi1();
 125         else if (strcmp(test_type, "abi0_abi1") == 0)
 126                 ret = dlopen_abi0_abi1();
 127         else if (strcmp(test_type, "abi1_abi0") == 0)
 128                 ret = dlopen_abi1_abi0();
 129         else if (strcmp(test_type, "abi1_abi1") == 0)
 130                 ret = dlopen_abi1_abi1();
 131         else {
 132                 usage(argv);
 133                 ret = EXIT_FAILURE;
 134         }
 135
 136         for (i = 0; i < 10; i++) {
 137                 netint = htonl(i);
 138                 lttng_ust_tracepoint(ust_tests_hello, tptest, i, netint, values,
 139                            text, strlen(text), dbl, flt, mybool);
 140         }
 141
 142         return ret;
 143 }