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MDEV-18565 Galera mtr-suite fails if galera library is not installed

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revert/simplify f5390eea9a

remove galera-specific checks from mtr and the main suite
This commit is contained in:
Sergei Golubchik
2020-04-21 18:07:11 +02:00
parent 81511b4776
commit c2db9397c7
21 changed files with 210 additions and 362 deletions
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139
mysql-test/lib/My/SafeProcess/wsrep_check_version.c
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@ -13,122 +13,39 @@
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <my_global.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef _WIN32
#include <windows.h>
#define dlsym(lib, name) GetProcAddress((HMODULE)lib, name)
#define dlopen(libname, unused) LoadLibraryEx(libname, NULL, 0)
#define dlclose(lib) FreeLibrary((HMODULE)lib)
#elif defined(HAVE_DLFCN_H)
#include <dlfcn.h>
#else
#define NO_DLL
#endif
#ifndef NO_DLL
#include "../../../../wsrep-lib/wsrep-API/v26/wsrep_api.h"
/**************************************************************************
* Library loader
**************************************************************************/
static int wsrep_check_iface_version(const char *found, const char *iface_ver)
{
if (strcmp(found, iface_ver)) {
return ERANGE;
}
return 0;
}
typedef int (*wsrep_loader_fun)(wsrep_t*);
static wsrep_loader_fun wsrep_dlf(void *dlh, const char *sym)
{
union {
wsrep_loader_fun dlfun;
void *obj;
} alias;
alias.obj = dlsym(dlh, sym);
return alias.dlfun;
}
static int wsrep_check_version_symbol(void *dlh)
{
char** dlversion = NULL;
dlversion = (char**) dlsym(dlh, "wsrep_interface_version");
if (dlversion == NULL)
return EINVAL;
return wsrep_check_iface_version(*dlversion, WSREP_INTERFACE_VERSION);
}
static int wsrep_print_version(void *dlh)
{
char** dlversion = NULL;
dlversion = (char**) dlsym(dlh, "wsrep_interface_version");
if (dlversion == NULL)
return EINVAL;
printf("found: %s, need: %s\n", *dlversion, WSREP_INTERFACE_VERSION);
return 0;
}
int main(int argc, char **argv)
{
int rc = EINVAL;
void *dlh;
wsrep_loader_fun dlfun;
const char *provider= getenv("WSREP_PROVIDER");
int rc= 1;
void *dlh;
const char *provider= getenv("WSREP_PROVIDER");
char** dlversion= NULL;
if (!provider)
{
fprintf(stderr, "WSREP_PROVIDER is not set\n");
return 1;
}
if (!(dlh = dlopen(provider, RTLD_NOW | RTLD_LOCAL)))
{
fprintf(stderr, "Can't open WSREP_PROVIDER (%s) library, error: %s\n",
provider, dlerror());
goto err;
}
if (!(dlfun = wsrep_dlf(dlh, "wsrep_loader")))
{
fprintf(stderr, "Can't find 'wsrep_loader' symbol in %s\n",
provider);
goto err;
}
if (argc < 2 || strcmp(argv[1], "-p")) {
rc = wsrep_check_version_symbol(dlh);
}
else {
rc = wsrep_print_version(dlh);
}
err:
if (dlh) dlclose(dlh);
if (rc == 0)
return 0;
else if (rc == ERANGE)
return 2;
else
return 1;
}
#else
int main(void)
{
if (!provider || !*provider)
{
printf("WSREP_PROVIDER is not set\n");
return 1;
}
}
if (!(dlh= dlopen(provider, RTLD_NOW | RTLD_LOCAL)))
{
printf("Can't open WSREP_PROVIDER (%s) library, error: %s\n",
provider, dlerror());
return 1;
}
#endif
dlversion= (char**) dlsym(dlh, "wsrep_interface_version");
if (dlversion && *dlversion)
{
rc= strcmp(*dlversion, WSREP_INTERFACE_VERSION) ? 2 : 0;
if (rc)
printf("Wrong wsrep provider library version, found: %s, need: %s\n", *dlversion, WSREP_INTERFACE_VERSION);
}
else
printf("Galera library does not contain a version symbol");
dlclose(dlh);
return rc;
}