buffer message_buffer; /*create message_buffer */
+char yaffs_test_dir[] ="/yaffs2/test_dir"; /*the path to the directory where all of the testing will take place*/
+char yaffs_mount_dir[]="/yaffs2/"; /*the path to the mount point which yaffs will mount*/
-int main(){
- char yaffs_test_dir[] ="/yaffs2/test_dir"; /*the path to the directory where all of the testing will take place*/
- char yaffs_mount_dir[]="/yaffs2/"; /*the path to the mount point which yaffs will mount*/
+int main(int argc, char *argv[]){
- init(yaffs_test_dir,yaffs_mount_dir);
+
+ init(yaffs_test_dir,yaffs_mount_dir,argc,argv);
test(yaffs_test_dir);
yaffs_unmount(yaffs_mount_dir);
return 0;
}
-void init(char *yaffs_test_dir,char *yaffs_mount_dir){
+
+void init(char *yaffs_test_dir,char *yaffs_mount_dir,int argc, char *argv[]){
char output=0;
+ int x=0;
+ int seed=-1;
+ FILE *log_handle;
/*these variables are already set to zero, but it is better not to take chances*/
message_buffer.head=0;
message_buffer.tail=0;
-
+
+
+ log_handle=fopen(LOG_FILE,"w");
+ if (log_handle!=NULL){
+ fputs("log file for yaffs tester\n",log_handle);
+ fclose(log_handle);
+ }
add_to_buffer(&message_buffer,"welcome to the yaffs tester",MESSAGE_LEVEL_BASIC_TASKS,PRINT);/* print boot up message*/
yaffs_start_up();
yaffs_mount(yaffs_mount_dir);
+ for (x=0;x<argc;x++){
+// add_to_buffer(&message_buffer,"argv ",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+// add_to_buffer(&message_buffer,argv[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ if (strcmp("-seed",argv[x])==0){ /*warning only compares the length of the strings, quick fix*/
+ seed= atoi(argv[x+1]);
+ /*add_to_buffer(&message_buffer,"setting seed to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,seed,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,"\n",MESSAGE_LEVEL_BASIC_TASKS,PRINT);*/
+ }
+ }
+ if (seed==-1){
+ seed=time(NULL);
+ srand(seed);
+ }
+ else {
+ srand(seed);
+ }
+ add_to_buffer(&message_buffer,"setting seed to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,seed,MESSAGE_LEVEL_BASIC_TASKS,PRINT);/* print boot up message*/
- if (yaffs_access(yaffs_test_dir,0))
+ if (yaffs_access(yaffs_test_dir,0)) /* if the test folder does not exist then create it */
{
add_to_buffer(&message_buffer,"creating dir: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
append_to_buffer(&message_buffer,yaffs_test_dir,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
}
}
+
+void quit_program(){
+ yaffs_unmount(yaffs_mount_dir);
+ exit(1);
+}
void join_paths(char *path1,char *path2,char *new_path ){
/* printf("strlen path1:%d\n",strlen(path1));
}
}
-
-
-void test(char*yaffs_test_dir){
- char output=0;
+void open_random_file(char *yaffs_test_dir, handle_regster *P_open_handles_array){
+ int output=0;
+ int x=0;
char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
- char path[MAX_FILE_NAME_SIZE];
- join_paths(yaffs_test_dir,name,path);
- while(1)
+ char path[MAX_FILE_NAME_SIZE+strlen(yaffs_test_dir)];
+ path[0]='\0';// this should clear the path
+ add_to_buffer(&message_buffer,"\n\number of opened handles: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,P_open_handles_array->number_of_open_handles,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ if (P_open_handles_array->number_of_open_handles<MAX_NUMBER_OF_OPENED_HANDLES)
{
- path[0]='\0';// this should clear the path
- generate_random_string(name);
- join_paths(yaffs_test_dir,name,path);
+ generate_random_string(name,MAX_FILE_NAME_SIZE);
+ printf("before %d %d %d\n",strlen(yaffs_test_dir),strlen(name),strlen(path));
+ join_paths(yaffs_test_dir,name,path);//bug###################### here
+ printf("after %d %d %d\n",strlen(yaffs_test_dir),strlen(name),strlen(path));
add_to_buffer(&message_buffer,"trying to open file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
append_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ if (yaffs_access(path,0)==0){
+ stat_file(path);
+ }
+ else {
+ add_to_buffer(&message_buffer,"file does not exists, creating file",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ }
+
output=yaffs_open(path,O_CREAT | O_TRUNC| O_RDWR, S_IREAD | S_IWRITE);
+ x=0;
+ for (x=0;P_open_handles_array->handle[x]!=-3 && x<MAX_NUMBER_OF_OPENED_HANDLES;x++){} /*find an empty handle*/
+
+ add_to_buffer(&message_buffer,"handle array id ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,x,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ //for (x=0;handle_pointers[x]!=NULL;x++){}
+ P_open_handles_array->handle[x]=output;
+ P_open_handles_array->path[x][0]='\0';
+ strcat(P_open_handles_array->path[x],path);
+ add_to_buffer(&message_buffer,"yaffs handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,output,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ add_to_buffer(&message_buffer,"stored handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+
+ //yaffs_open will return a null pointer if it cannot open a file. check for errors will not work.
yaffs_check_for_errors(output, &message_buffer,"failed to open file","opened file");
+
+ P_open_handles_array->number_of_open_handles++;
+ }
+ else close_random_file(P_open_handles_array);
+
+}
+
+void write_to_random_file(handle_regster *P_open_handles_array){
+ int number_of_lines_of_text=0;
+ int length=100;
+ char text[length+1];
+ text[0]='\0';
+ int seek=0;
+ int x=0;
+ int output=0;
+ if (P_open_handles_array->number_of_open_handles>0){
+
+ while (P_open_handles_array->handle[x]==-3){ /*find a random open handle*/
+ x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ }
+ add_to_buffer(&message_buffer,"\n\ntrying to write to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ number_of_lines_of_text=rand() %1000;
+ add_to_buffer(&message_buffer,"writing ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,number_of_lines_of_text,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer," lines of text",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+
+ for (;number_of_lines_of_text>0;number_of_lines_of_text--)
+ {
+ generate_random_string(text,length);
+ seek=rand()%1000;
+ add_to_buffer(&message_buffer,"trying to seek to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,seek,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ output=yaffs_lseek(P_open_handles_array->handle[x],seek,SEEK_SET);
+ yaffs_check_for_errors(output, &message_buffer,"failed to seek","seeked file");
+ add_to_buffer(&message_buffer,"trying to write to file",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ output=yaffs_write(P_open_handles_array->handle[x], text, strlen(text));
+ yaffs_check_for_errors(output, &message_buffer,"failed to write text","wrote text");
+
+ }
+ }
+}
+
+void truncate_random_file(handle_regster *P_open_handles_array){
+ int x=0;
+ int truncate_size=0;
+ int output=0;
+
+ if (P_open_handles_array->number_of_open_handles>0){
+ add_to_buffer(&message_buffer,"\n\ntruncate function ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ while (P_open_handles_array->handle[x]==-3){ /*find a random open handle*/
+ x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ }
+ add_to_buffer(&message_buffer,"trying to truncate ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ truncate_size=rand() %10000;
+ output=yaffs_ftruncate(P_open_handles_array->handle[x], truncate_size);
+ yaffs_check_for_errors(output, &message_buffer,"failed to truncate file","truncated file");
+ }
+}
+
+void close_random_file(handle_regster *P_open_handles_array){
+ /*run out of space on the handle pointer array*/
+ /*make space*/
+ int x=0;
+ int output=0;
+ int start=0;
+ if (P_open_handles_array->number_of_open_handles>0){
+ start=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ for (x=start;P_open_handles_array->handle[x] !=-3 &&(x+1>start ||x<start);){
+ x++;
+ if (x>MAX_NUMBER_OF_OPENED_HANDLES-1) x=0;
+
+ }
+ if (P_open_handles_array->handle[x]!=-3)
+ {
+ add_to_buffer(&message_buffer,"\n\ntrying to close file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ add_to_buffer(&message_buffer,"file handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,P_open_handles_array->handle[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ output=yaffs_close(P_open_handles_array->handle[x]);
+
+ if (output==-1) yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
+ else {
+ yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
+ P_open_handles_array->handle[x]=-3;
+ P_open_handles_array->path[x][0]='\0';
+ P_open_handles_array->number_of_open_handles--;
+ }
+ }
+ else {
+ add_to_buffer(&message_buffer,"\n\ntried to close file but could not find a open file ",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ }
+ }
+}
+
+void stat_file(char *path){
+ int output=0;
+ struct yaffs_stat stat;
+ if (yaffs_access(path,0)==0){
+ add_to_buffer(&message_buffer,"file exists, trying to stat: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ add_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ output=yaffs_lstat(path,&stat);
+ yaffs_check_for_errors(output, &message_buffer,"failed to stat file","statted file");
+ //stat.st_ino,(int)stat.st_size,stat.st_mode
+ add_to_buffer(&message_buffer,"yaffs inode: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,stat.st_ino,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer," file size: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,(int)stat.st_size,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer," file mode: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,stat.st_mode,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ }
+ else{
+ add_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer," does not exist,could not stat",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ }
+}
+
+void test(char*yaffs_test_dir){
+ struct yaffs_stat stat;
+ int output=0;
+ //char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
+ //char path[MAX_FILE_NAME_SIZE];
+ handle_regster open_handles_array;
+ //int handle_pointers[MAX_NUMBER_OF_OPENED_HANDLES];
+ //int number_of_opened_handles=0;
+ int x=0;
+
+
+ open_handles_array.number_of_open_handles=0;
+ for (x=0;x<MAX_NUMBER_OF_OPENED_HANDLES;x++){
+ open_handles_array.handle[x]=-3;
+ open_handles_array.path[x][0]='\0';
+
+ }
+ while(1)
+ {
+ x=rand() % 3;
+ switch(x){
+ case 0 :open_random_file(yaffs_test_dir,&open_handles_array);break;
+ //case 1 :write_to_random_file(&open_handles_array);break;
+ case 2 :close_random_file(&open_handles_array);break;
+ case 3 :truncate_random_file(&open_handles_array);break;
+ }
}
}
-void generate_random_string(char *ptr){
+void generate_random_string(char *ptr,int length_of_str){
unsigned int x;
- unsigned int length=((rand() %MAX_FILE_NAME_SIZE)+1); /*creates a int with the number of charecters been between 1 and 51*/
+ unsigned int length=((rand() %length_of_str)+1); /*creates a int with the number of charecters been between 1 and 51*/
char letter='\0';
+
//printf("generating string\n");
//printf("string length is %d\n",length);
for (x=0; x <= (length-2) &&length>2 ; x++)