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#include "apr_general.h"
#include "apr_pools.h"
#include "apr_errno.h"
#include "apr_dso.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#if APR_HAVE_UNISTD_H
#include <unistd.h>
#endif
#define LIB_NAME "mod_test.so"
static void closeapr(void)
{
apr_terminate();
}
int main (int argc, char ** argv)
{
apr_dso_handle_t *h = NULL;
apr_dso_handle_sym_t func1 = NULL;
apr_dso_handle_sym_t func2 = NULL;
apr_status_t status;
apr_pool_t *cont;
void (*function)(void);
void (*function1)(int);
int *retval;
char filename[256];
getcwd(filename, 256);
strcat(filename, "/");
strcat(filename, LIB_NAME);
apr_initialize();
atexit(closeapr);
if (apr_create_pool(&cont, NULL) != APR_SUCCESS) {
fprintf(stderr, "Couldn't allocate context.");
exit(-1);
}
fprintf(stdout,"Trying to load DSO now.....................");
fflush(stdout);
if ((status = apr_dso_load(&h, filename, cont)) != APR_SUCCESS){
char my_error[256];
apr_strerror(status, my_error, sizeof(my_error));
fprintf(stderr, "%s!\n", my_error);
exit (-1);
}
fprintf(stdout,"OK\n");
fprintf(stdout,"Trying to get the DSO's attention..........");
fflush(stdout);
if ((status = apr_dso_sym(&func1, h, "print_hello")) != APR_SUCCESS) {
char my_error[256];
apr_dso_error(h, my_error, sizeof(my_error));
fprintf(stderr, "%s\n", my_error);
exit (-1);
}
fprintf(stdout,"OK\n");
function = (void *)func1;
(*function)();
fprintf(stdout,"Saying farewell 5 times....................");
fflush(stdout);
if (apr_dso_sym(&func2, h, "print_goodbye") != APR_SUCCESS) {
fprintf(stderr, "Failed!\n");
exit (-1);
}
fprintf(stdout,"OK\n");
function1 = (void *)(int)func2;
(*function1)(5);
fprintf(stdout,"Checking how many times I said goodbye..");
fflush(stdout);
if (apr_dso_sym(&func1, h, "goodbyes") != APR_SUCCESS) {
fprintf(stderr, "Failed!\n");
exit (-1);
}
retval = (int *)func1;
fprintf(stdout,"%d..", (*retval));
fflush(stdout);
if ((*retval) == 5){
fprintf(stderr,"OK\n");
} else {
fprintf(stderr,"Failed!\n");
}
fprintf(stdout,"Trying to unload DSO now...................");
if (apr_dso_unload(h) != APR_SUCCESS) {
fprintf(stderr, "Failed!\n");
exit (-1);
}
fprintf(stdout,"OK\n");
fprintf(stdout,"Checking it's been unloaded................");
fflush(stdout);
if (apr_dso_sym(&func1, h, "print_hello") == APR_SUCCESS) {
fprintf(stderr, "Failed!\n");
exit (-1);
}
fprintf(stdout,"OK\n");
return 0;
}
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