X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Ftimothy_tests%2Fdev%2Fyaffs_tester.c;h=68353d0e00e9e88ddc94c6abc671a0c27f62d3b4;hp=3cab2761c1facbef18533b03f29c7c30a4b6bf3d;hb=90c66937f76d1e4ce1fb43aed91219c4f1e443f1;hpb=86231ed7a8ebecf2e4821f9b426262045f941591

diff --git a/direct/timothy_tests/dev/yaffs_tester.c b/direct/timothy_tests/dev/yaffs_tester.c
index 3cab276..68353d0 100644
--- a/direct/timothy_tests/dev/yaffs_tester.c
+++ b/direct/timothy_tests/dev/yaffs_tester.c
@@ -26,30 +26,60 @@ int simulate_power_failure = 0;
 
 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);	
@@ -58,6 +88,11 @@ void init(char *yaffs_test_dir,char *yaffs_mount_dir){
 	}
 	
 }
+
+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));
@@ -124,28 +159,204 @@ void join_paths(char *path1,char *path2,char *new_path ){
 	}
 }
 
-
-
-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++)