/* proc1 writes some data, commits it, then exits */
void proc1()
{
rvm_t rvm;
trans_t trans;
char* segs[1];
rvm = rvm_init(__FILE__ ".d");
rvm_destroy(rvm, "testseg");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 100);
sprintf(segs[0], "one");
rvm_commit_trans(trans);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 100);
sprintf(segs[0], "two");
rvm_abort_trans(trans);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 100);
sprintf(segs[0], "foo");
rvm_commit_trans(trans);
abort();
}
/* proc2 opens the segments and reads from them */
void proc2() {
char* segs[2];
rvm_t rvm;
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
if(!strcmp(segs[0], "hello, world")) {
fprintf(stderr,
"A second process found aborted changes committed.\n");
fprintf(stderr, "found %s\n", segs[0]);
exit(2);
}
if(!strcmp(segs[0]+1000, "hello, world")) {
fprintf(stderr,
"A second process found aborted changes committed.\n");
fprintf(stderr, "found %s\n", segs[0]+1000);
exit(3);
}
segs[1] = (char *) rvm_map(rvm, "anotherseg", 10000);
if(!strcmp(segs[1], "hello, world")) {
fprintf(stderr,
"A second process found aborted changes committed.\n");
fprintf(stderr, "found %s\n", segs[0]);
exit(4);
}
if(!strcmp(segs[1]+1000, "hello, world")) {
fprintf(stderr,
"A second process found aborted changes committed.\n");
fprintf(stderr, "found %s\n", segs[0]+1000);
exit(5);
}
}
void proc1()
{
rvm_t rvm;
char* segs[2];
trans_t trans;
printf(">>> proc1()\n");
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, SEGNAME0);
rvm_destroy(rvm, SEGNAME1);
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 1000);
segs[1] = (char*) rvm_map(rvm, SEGNAME1, 1000);
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 300);
trans = rvm_begin_trans(rvm, 2, (void **)segs);
rvm_about_to_modify(trans, segs[0], OFFSET0, 100);
strcpy(segs[0]+OFFSET0, STRING0);
rvm_about_to_modify(trans, segs[1], OFFSET1, 100);
strcpy(segs[1]+OFFSET1, STRING1);
rvm_commit_trans(trans);
abort();
}
/* proc1 writes some data, commits it, then exits */
void proc1()
{
rvm_t rvm;
trans_t trans;
char* segs[1];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
segs[0] = (char *) rvm_map(rvm, "testseg", 1000);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 1000);
char * currChar = segs[0];
for (int counter= 0; counter < 1000; counter++){
*currChar = '!';
currChar++;
}
rvm_commit_trans(trans);
abort();
}
/* proc1 writes some data, commits it, then exits */
void proc1()
{
rvm_t rvm;
trans_t trans;
char* segs[1];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
// rvm_about_to_modify(trans, segs[0], 0, 100);
// sprintf(segs[0], TEST_STRING);
// printf("Segment Data %s\n", segs[0]);
rvm_about_to_modify(trans, segs[0], OFFSET2, 100);
sprintf(segs[0]+OFFSET2, TEST_STRING);
sprintf(segs[0], BAD_STRING);
printf("Segment Data %s\n", segs[0]);
rvm_commit_trans(trans);
abort();
}
int main(int argc, char** argv) {
rvm_t rvm;
trans_t trans;
char* segs[1];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg01");
segs[0] = (char*) rvm_map(rvm, "testseg01", 10000);
trans = rvm_begin_trans(rvm, 1, (void**) segs);
rvm_about_to_modify(trans, segs[0], 0, 100);
sprintf(segs[0], TEST_STRING);
rvm_about_to_modify(trans, segs[0], OFFSET2, 100);
sprintf(segs[0] + OFFSET2, TEST_STRING);
rvm_commit_trans(trans);
// This should fail
rvm_destroy(rvm, "testseg01");
rvm_unmap(rvm, segs[0]);
rvm_truncate_log(rvm);
if (file_exists("rvm_segments/seg_testseg01.rvm")) {
printf("OK\n");
} else {
printf("ERROR: Segment file no longer present");
}
return 0;
}
void proc1()
{
rvm_t rvm;
char* segs[2];
trans_t trans[2];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, SEGNAME0);
rvm_destroy(rvm, SEGNAME1);
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 1000);
segs[1] = (char*) rvm_map(rvm, SEGNAME1, 1000);
trans[0] = rvm_begin_trans(rvm, 1, &segs[0]);
trans[1] = rvm_begin_trans(rvm, 1, &segs[1]);
rvm_about_to_modify(trans[0], segs[0], OFFSET0, 100);
strcpy(segs[0]+OFFSET0, STRING0);
rvm_about_to_modify(trans[1], segs[1], OFFSET1, 100);
strcpy(segs[1]+OFFSET1, STRING1);
rvm_commit_trans(trans[0]);
rvm_commit_trans(trans[1]);
rvm_unmap(rvm, segs[0]);
rvm_unmap(rvm, segs[1]);
}
void proc1()
{
rvm_t rvm;
char* segs[2];
trans_t trans;
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, SEGNAME0);
rvm_destroy(rvm, SEGNAME1);
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 1000);
segs[1] = (char*) rvm_map(rvm, SEGNAME1, 1000);
trans = rvm_begin_trans(rvm, 2, (void **)segs);
rvm_about_to_modify(trans, segs[0], OFFSET0, 100);
strcpy(segs[0]+OFFSET0, STRING0);
rvm_about_to_modify(trans, segs[1], OFFSET1, 100);
strcpy(segs[1]+OFFSET1, STRING1);
rvm_commit_trans(trans);
char *str;
(str = strdup("foo"))[3] = '\n';
printf("Length of foo: %d\n", strlen(str));
}
/* proc1 writes some data, commits it, then exits */
void proc1() {
rvm_t rvm;
trans_t trans;
char* segs[2];
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
segs[1] = (char *) rvm_map(rvm, "anotherseg", 10000);
trans = rvm_begin_trans(rvm, 2, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 100);
sprintf(segs[0], "hello, world");
rvm_about_to_modify(trans, segs[0], 1000, 100);
sprintf(segs[0]+1000, "hello, world");
rvm_about_to_modify(trans, segs[1], 0, 100);
sprintf(segs[1], "hello, world");
rvm_about_to_modify(trans, segs[1], 1000, 100);
sprintf(segs[1]+1000, "hello, world");
rvm_abort_trans(trans);
abort();
}
int main(int argc, char **argv)
{
rvm_t rvm;
rvm = rvm_init("rvm_segments");
printf("\nTesting directory creation:\n");
system("ls -l rvm_segments");
return 0;
}
void proc1()
{
rvm_t rvm;
char* segs[2];
trans_t trans;
char** segnames;
int i;
int numSegments = 100;
rvm = rvm_init(__FILE__ ".d");
// Allocate some memory
segnames = (char **)malloc(numSegments * sizeof(char *));
for(i = 0; i < numSegments; i++) {
segnames[i] = (char *)malloc(MAX_SEGMENT_NAME_LEN);
sprintf(segnames[i],"testseg%i",i);
rvm_destroy(rvm, segnames[i]);
}
//all segments contain the first string (aa)
for(i = 0; i < numSegments; i++) {
segs[0] = (char *) rvm_map(rvm, segnames[i], 3);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 0, 3);
sprintf(segs[0],"aa");
rvm_commit_trans(trans);
rvm_unmap(rvm,segs[0]);
}
//only even segments contain the second string (modify aa to ab)
for(i = 0; i < numSegments; i++) {
segs[0] = (char *) rvm_map(rvm, segnames[i], 3);
trans = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(trans, segs[0], 1, 1);
segs[0][1]='b';
assert(strcmp("ab", segs[0]) == 0);
if(i%2==0){ //the modulus is 1, we are even
rvm_commit_trans(trans);
}
}
// Free memory
for(i = 0; i < numSegments; i++) {
free(segnames[i]);
}
free(segnames);
}
int main(int argc, char **argv)
{
rvm_t rvm;
char *seg;
void *segs[1];
trans_t trans;
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
seg = (char *) rvm_map(rvm, "testseg", 10000);
segs[0] = seg;
/* write some data and commit it */
trans = rvm_begin_trans(rvm, 1, segs);
rvm_about_to_modify(trans, seg, 0, 100);
sprintf(seg, TEST_STRING1);
rvm_about_to_modify(trans, seg, OFFSET2, 100);
sprintf(seg+OFFSET2, TEST_STRING1);
rvm_commit_trans(trans);
/* start writing some different data, but abort */
trans = rvm_begin_trans(rvm, 1, segs);
rvm_about_to_modify(trans, seg, 0, 100);
sprintf(seg, TEST_STRING2);
rvm_about_to_modify(trans, seg, OFFSET2, 100);
sprintf(seg+OFFSET2, TEST_STRING2);
rvm_abort_trans(trans);
/* test that the data was restored */
if(strcmp(seg+OFFSET2, TEST_STRING1)) {
printf("ERROR: second hello is incorrect (%s)\n",
seg+OFFSET2);
exit(2);
}
if(strcmp(seg, TEST_STRING1)) {
printf("ERROR: first hello is incorrect (%s)\n",
seg);
exit(2);
}
rvm_unmap(rvm, seg);
printf("OK\n");
exit(0);
}
/* proc2 opens the segments and reads from them */
void proc2()
{
char* segs[1];
rvm_t rvm;
rvm = rvm_init(__FILE__ ".d");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
assert(strcmp(segs[0], "foo") == 0);
printf("OK\n");
exit(0);
}
int main()
{
rvm_t rvm = rvm_init("rvm_segments");
char* segs[2];
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
segs[1] = (char *) rvm_map(rvm, "testseg", 10000);
if(segs[1]==NULL){
cout<<"OK"<<endl;
}else{
cout<<"ERROR: DID NOT DETECT MAP TWICE CASE!"<<endl;
}
return 0;
}
void proc1() {
rvm_t rvm;
char* segs[1] = { 0 };
rvm = rvm_init("rvm_segments");
// this should fail
rvm_unmap(rvm, segs[0]);
printf("ERROR: Unmap() before mapping\n");
segs[0] = (char*) rvm_map(rvm, "testseg03", 10000);
return;
}
int main()
{
rvm_verbose(0);
rvm_t rvm = rvm_init("bak");
std::cout << rvm->directory << std::endl;
char* segs[1];
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
rvm_map(rvm, "testseg", 10000);
rvm_unmap(rvm, segs[0]);
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
rvm_verbose(1);
rvm_unmap(rvm, segs[0]);
rvm_destroy(rvm,"testseg");
return 0;
}
int main(int argc, char **argv)
{
rvm_t rvm;
printf("Before Truncation:\n");
system("ls -l rvm_segments");
rvm = rvm_init("rvm_segments");
rvm_truncate_log(rvm);
printf("\nAfter Truncation:\n");
system("ls -l rvm_segments");
return 0;
}
void proc1() {
rvm_t rvm;
trans_t trans = 0;
char* segs[1];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
segs[0] = (char*) rvm_map(rvm, "testseg", 10000);
// this should exit
rvm_about_to_modify(trans, segs[0], 0, 100);
fprintf(stderr, "ERROR: This should not be printed\n");
abort();
}
/* test the resulting segment */
void test()
{
char* segs[1];
rvm_t rvm;
// rvm = rvm_init(__FILE__ ".d");
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10);
/* ensure originals */
assert(strcmp(segs[0] + 0, "foo") == 0);
assert(strcmp(segs[0] + 4, "bar") == 0);
printf("OK\n");
exit(0);
}
void proc2()
{
rvm_t rvm;
char *segs[2];
char** segnames;
int i;
int numSegments = 100;
// Allocate some memory
segnames = (char **)malloc(numSegments * sizeof(char *));
for(i = 0; i < numSegments; i++) {
segnames[i] = (char *)malloc(MAX_SEGMENT_NAME_LEN);
sprintf(segnames[i],"testseg%i",i);
}
rvm = rvm_init(__FILE__ ".d");
for(i = 0; i < numSegments; i++) {
segs[0] = (char *) rvm_map(rvm, segnames[i], 3);
if(i%2==0){
if(strcmp(segs[0], "ab")) {
printf("ERROR in segment %i, string should be ab, but it is (%s)\n",
i,segs[0]);
exit(2);
}
} else {
if(strcmp(segs[0], "aa")) {
printf("ERROR in segment %i, string should be aa, but it is (%s)\n",
i,segs[0]);
exit(2);
}
}
rvm_unmap(rvm,segs[0]);
}
printf("OK\n");
// Free memory
for(i = 0; i < numSegments; i++) {
free(segnames[i]);
}
free(segnames);
}
void proc1() {
rvm_t rvm;
trans_t trans = 0;
char *segs1[2], *segs2[1];
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
segs1[0] = (char*) rvm_map(rvm, "testseg", 10000);
segs2[0] = (char*) rvm_map(rvm, "testseg02", 10000);
trans = rvm_begin_trans(rvm, 1, (void**) segs1);
// this should exit
rvm_about_to_modify(trans, segs2[0], 0, 100);
fprintf(stderr, "ERROR: Segment mapped is not the one being modified\n");
abort();
}
/* proc2 opens the segments and reads from them */
void proc2()
{
char* segs[1];
rvm_t rvm;
rvm = rvm_init("rvm_segments");
char * currChar;
segs[0] = (char *) rvm_map(rvm, "testseg", 1000 + 1000);
currChar = segs[0];
for (int counter = 0; counter < 1000; counter++){
if (*currChar !='!'){
fprintf(stderr, "ERROR %c instead of !", *currChar);
}
}
printf("OK\n");
exit(0);
}
/* proc2 opens the segments and reads from them */
void proc2()
{
char* segs[1];
rvm_t rvm;
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
if(!strcmp(segs[0], BAD_STRING)) {
printf("ERROR: illegal change got recorded in segment 1: %s\n", segs[0]);
exit(2);
}
if(strcmp(segs[0]+OFFSET2, TEST_STRING)) {
printf("ERROR: hello not present in segment 2\n");
exit(2);
}
printf("OK\n");
exit(0);
}
/* proc2 opens the segments and reads from them */
void proc2()
{
char* segs[1];
rvm_t rvm;
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
if(strcmp(segs[0], TEST_STRING)) {
printf("ERROR: first hello not present\n");
exit(2);
}
if(strcmp(segs[0]+OFFSET2, TEST_STRING)) {
printf("ERROR: second hello not present\n");
exit(2);
}
printf("OK\n");
exit(0);
}
/* create the scenario */
void create()
{
// rvm_t rvm = rvm_init(__FILE__ ".d");
rvm_t rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, "testseg");
char* segs[1];
/*-- without unmapping (first half of segment) --*/
segs[0] = (char *) rvm_map(rvm, "testseg", 10);
trans_t tid = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(tid, segs[0], 0, 5);
sprintf(segs[0], "foo"); /* write "foo" */
rvm_commit_trans(tid);
tid = rvm_begin_trans(rvm, 1, (void **) segs);
segs[0][0] = 'b'; /* change to boo without logging */
assert(strcmp(segs[0], "boo") == 0); /* ensure change */
rvm_commit_trans(tid);
/*-- unmap and remap (second half of segment) --*/
tid = rvm_begin_trans(rvm, 1, (void **) segs);
rvm_about_to_modify(tid, segs[0], 4, 5);
sprintf(segs[0] + 4, "bar"); /* write "bar" */
rvm_commit_trans(tid);
rvm_unmap(rvm, segs[0]);
segs[0] = (char *) rvm_map(rvm, "testseg", 10);
tid = rvm_begin_trans(rvm, 1, (void **) segs);
segs[0][6] = 'z'; /* change to baz without logging */
assert(strcmp(segs[0] + 4, "baz") == 0); /* ensure change */
rvm_commit_trans(tid);
abort();
}
/* proc2 opens the segments and reads from them */
void proc2() {
char* segs[1];
char *seg;
rvm_t rvm;
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "testseg", 10000);
seg = segs[0];
if (strcmp(seg + OFFSET2, TEST_STRING2)) {
printf("ERROR: blew is incorrect (%s)\n", seg + OFFSET2);
exit(2);
}
if (strcmp(seg, TEST_STRING1)) {
printf("ERROR: first hello is incorrect (%s)\n", seg);
exit(2);
}
printf("OK\n");
exit(0);
}
int main(int argc, char **argv)
{
rvm_t rvm;
char* segs[2];
char* badsegs;
trans_t trans;
/* initialize */
rvm = rvm_init("rvm_segments");
rvm_destroy(rvm, SEGNAME0);
rvm_destroy(rvm, SEGNAME1);
rvm_destroy(rvm, SEGNAME2);
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 1000);
segs[1] = (char*) rvm_map(rvm, SEGNAME1, 1000);
badsegs = (char*) rvm_map(rvm, SEGNAME2, 1000);
/* write in some initial data */
trans = rvm_begin_trans(rvm, 2, (void **) segs);
rvm_about_to_modify(trans, segs[0], OFFSET0, 100);
strcpy(segs[0]+OFFSET0, GOOD_STRING);
rvm_about_to_modify(trans, badsegs, OFFSET0, 100);
strcpy(badsegs+OFFSET0, GOOD_STRING);
rvm_commit_trans(trans);
/* test the strings */
if(strcmp(badsegs + OFFSET0, GOOD_STRING)) {
printf("ERROR segment not mentioned in rvm_begin_trans yet modifications made (%s)\n",
badsegs+OFFSET0);
exit(2);
}
printf("OK\n");
return 0;
}
void proc2()
{
rvm_t rvm;
char *segs[2];
rvm = rvm_init("rvm_segments");
segs[0] = (char*) rvm_map(rvm, SEGNAME0, 1000);
segs[1] = (char*) rvm_map(rvm, SEGNAME1, 1000);
if(strcmp(segs[0] + OFFSET0, STRING0)) {
printf("ERROR in segment 0 (%s)\n",
segs[0]+OFFSET0);
exit(2);
}
if(strcmp(segs[1] + OFFSET1, STRING1)) {
printf("ERROR in segment 1 (%s)\n",
segs[1]+OFFSET1);
exit(2);
}
printf("OK\n");
}
/* proc2 opens the segments and reads from them */
void proc2() {
char* segs[5];
rvm_t rvm;
rvm = rvm_init("rvm_segments");
segs[0] = (char *) rvm_map(rvm, "page0", 10000);
segs[1] = (char *) rvm_map(rvm, "page1", 10100);
segs[2] = (char *) rvm_map(rvm, "page2", 10200);
segs[3] = (char *) rvm_map(rvm, "page3", 10300);
segs[4] = (char *) rvm_map(rvm, "page4", 10400);
for (int i = 0; i < 5; i++) {
if (strcmp(segs[i] + OFFSET1 * i, TEST_STRING)) {
printf("ERROR: hello not present @ %d\n", i);
exit(2);
}
}
printf("OK\n");
exit(0);
}
int main(int argc, char **argv)
{
#if 1
int pid;
pid = fork();
if(pid < 0) {
perror("fork");
exit(2);
}
if(pid == 0) {
proc1();
exit(0);
}
waitpid(pid, NULL, 0);
proc2();
#else
/* truncate test */
proc1();
rvm_t rvm;
printf("Before Truncation:\n");
system("ls -l rvm_segments");
rvm = rvm_init("rvm_segments");
rvm_truncate_log(rvm);
printf("\nAfter Truncation:\n");
system("ls -l rvm_segments");
#endif
return 0;
}