large file storage WIP. Can save and verify a large file under yaffs direct.

[yaffs2.git] / direct / basic-test / dtest.c

diff --git a/direct/basic-test/dtest.c b/direct/basic-test/dtest.c
index fa48158d402b36afed578d9fcd47ab2ac48299f9..edf9d63e4b0b82f229a11dbaaedf82deeed0f766 100644 (file)
--- a/direct/basic-test/dtest.c
+++ b/direct/basic-test/dtest.c
@@ -533,7 +533,7 @@ void dumpDirFollow(const char *dname)
 
                        yaffs_lstat(str,&s);
 
-                       printf("%s ino %d length %d mode %X ",de->d_name,(int)s.st_ino,(int)s.st_size,s.st_mode);
+                       printf("%s ino %lld length %d mode %X ",de->d_name,(int)s.st_ino,s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -580,7 +580,8 @@ void dump_directory_tree_worker(const char *dname,int recursive)
 
                        yaffs_lstat(str,&s);
 
-                       printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
+                       printf("%s inode %d obj %x length %lld mode %X ",
+                               str,s.st_ino,de->d_dont_use, s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -2755,6 +2756,151 @@ void link_follow_test(const char *mountpt)
 
 }
 
+
+#define N_WRITES 2000
+#define STRIDE  2000
+
+#define BUFFER_N 1100
+unsigned  xxbuffer[BUFFER_N];
+
+
+void set_buffer(int n)
+{
+       int i;
+       for(i = 0; i < BUFFER_N; i++)
+               xxbuffer[i] = i + n;
+}
+
+void write_big_sparse_file(int h)
+{
+       int i;
+       loff_t offset = 0;
+       loff_t pos;
+       int n = sizeof(xxbuffer);
+       int wrote;
+
+       for(i = 0; i < N_WRITES; i++) {
+               printf("writing at %lld\n", offset);
+               set_buffer(i);
+               pos = yaffs_lseek(h, offset, SEEK_SET);
+               if(pos != offset) {
+                       printf("mismatched seek pos %lld offset %lld\n",
+                               pos, offset);
+                       perror("lseek64");
+                       exit(1);
+               }
+               wrote = yaffs_write(h, xxbuffer, n);
+
+               if(wrote != n) {
+                       printf("mismatched write wrote %d n %d\n", wrote, n);
+                       exit(1);
+               }
+
+               offset += (STRIDE * sizeof(xxbuffer));
+       }
+
+       yaffs_ftruncate(h, offset);
+
+}
+
+
+
+
+void verify_big_sparse_file(int h)
+{
+       unsigned check_buffer[BUFFER_N];
+       int i;
+       loff_t offset = 0;
+       loff_t pos;
+       int n = sizeof(check_buffer);
+       int result;
+       const char * check_type;
+       int checks_failed = 0;
+       int checks_passed = 0;
+
+       for(i = 0; i < N_WRITES * STRIDE; i++) {
+               if(i % STRIDE) {
+                       check_type = "zero";
+                       memset(xxbuffer,0, n);
+               } else {
+                       check_type = "buffer";
+                       set_buffer(i/STRIDE);
+               }
+               printf("%s checking %lld\n", check_type, offset);
+               pos = yaffs_lseek(h, offset, SEEK_SET);
+               if(pos != offset) {
+                       printf("mismatched seek pos %lld offset %lld\n",
+                               pos, offset);
+                       perror("lseek64");
+                       exit(1);
+               }
+               result = yaffs_read(h, check_buffer, n);
+
+               if(result != n) {
+                       printf("mismatched read result %d n %d\n", result, n);
+                       exit(1);
+               }
+
+
+
+
+               if(memcmp(xxbuffer, check_buffer, n)) {
+                       int j;
+
+                       printf("buffer at %lld mismatches\n", pos);
+                       printf("xxbuffer ");
+                       for(j = 0; j < 20; j++)
+                               printf(" %d",xxbuffer[j]);
+                       printf("\n");
+                       printf("check_buffer ");
+                       for(j = 0; j < 20; j++)
+                               printf(" %d",check_buffer[j]);
+                       printf("\n");
+
+                       checks_failed++;
+               } else {
+                       checks_passed++;
+               }
+
+               offset += sizeof(xxbuffer);
+       }
+
+       printf("%d checks passed, %d checks failed\n", checks_passed, checks_failed);
+
+}
+
+
+void large_file_test(const char *mountpt)
+{
+       int handle;
+       char fullname[100];
+
+       yaffs_trace_mask = 0;
+
+       yaffs_start_up();
+
+       yaffs_mount(mountpt);
+       printf("mounted\n");
+        dumpDir(mountpt);
+
+       sprintf(fullname, "%s/%s", mountpt, "big-test-file");
+       handle = yaffs_open(fullname, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+       if(handle < 0) {
+               perror("opening file");
+               exit(1);
+       }
+
+       write_big_sparse_file(handle);
+       verify_big_sparse_file(handle);
+
+       printf("Job done\n");
+       yaffs_unmount(mountpt);
+
+
+}
+
+
 int random_seed;
 int simulate_power_failure;
 
@@ -2820,7 +2966,10 @@ int main(int argc, char *argv[])
 
         //test_flash_traffic("yaffs2");
         // link_follow_test("/yaffs2");
-        basic_utime_test("/yaffs2");
+
+        large_file_test("/yaffs2");
+
+        //basic_utime_test("/yaffs2");
 
         return 0;