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//========================================================================== // // fileio1.c // // Test fileio system // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg // Date: 2000-05-25 // Purpose: Test fileio system // Description: This test uses the testfs to check out the initialization // and basic operation of the fileio system // // // // // // // //####DESCRIPTIONEND#### // //========================================================================== #include <pkgconf/hal.h> #include <pkgconf/io_fileio.h> #include <cyg/infra/cyg_trac.h> // tracing macros #include <cyg/infra/cyg_ass.h> // assertion macros #include <stdio.h> #include <unistd.h> #include <fcntl.h> #include <sys/stat.h> #include <errno.h> #include <string.h> #include <cyg/infra/testcase.h> #include <cyg/infra/diag.h> // HAL polled output //========================================================================== // Include the test filesystem. // If we could make tests out of multiple files, then we could just link // against the object file for this rather than including it. #include "testfs.c" //========================================================================== #define SHOW_RESULT( _fn, _res ) \ diag_printf("<INFO>: " #_fn "() returned %ld %s\n", (long)_res, _res<0?strerror(errno):""); //========================================================================== #define IOSIZE 100 //========================================================================== static void listdir( char *name, int statp ) { int err; DIR *dirp; diag_printf("<INFO>: reading directory %s\n",name); dirp = opendir( name ); if( dirp == NULL ) SHOW_RESULT( opendir, -1 ); for(;;) { struct dirent *entry = readdir( dirp ); if( entry == NULL ) break; diag_printf("<INFO>: entry %14s",entry->d_name); if( statp ) { char fullname[PATH_MAX]; struct stat sbuf; if( name[0] ) { strcpy(fullname, name ); if( !(name[0] == '/' && name[1] == 0 ) ) strcat(fullname, "/" ); } else fullname[0] = 0; strcat(fullname, entry->d_name ); err = stat( fullname, &sbuf ); if( err < 0 ) { if( errno == ENOSYS ) diag_printf(" <no status available>"); else SHOW_RESULT( stat, err ); } else { diag_printf(" [mode %08x nlink %d size %ld]", sbuf.st_mode,sbuf.st_nlink,sbuf.st_size); } } diag_printf("\n"); } err = closedir( dirp ); if( err < 0 ) SHOW_RESULT( stat, err ); } //========================================================================== static void createfile( char *name, size_t size ) { char buf[IOSIZE]; int fd; ssize_t wrote; int i; int err; diag_printf("<INFO>: create file %s size %zd\n",name,size); err = access( name, F_OK ); if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err ); for( i = 0; i < IOSIZE; i++ ) buf[i] = i%256; fd = open( name, O_WRONLY|O_CREAT ); if( fd < 0 ) SHOW_RESULT( open, fd ); while( size > 0 ) { ssize_t len = size; if ( len > IOSIZE ) len = IOSIZE; wrote = write( fd, buf, len ); if( wrote != len ) SHOW_RESULT( write, wrote ); size -= wrote; } err = close( fd ); if( err < 0 ) SHOW_RESULT( close, err ); } //========================================================================== static void maxfile( char *name ) { char buf[IOSIZE]; int fd; ssize_t wrote; int i; int err; size_t size = 0; diag_printf("<INFO>: create maximal file %s\n",name); err = access( name, F_OK ); if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err ); for( i = 0; i < IOSIZE; i++ ) buf[i] = i%256; fd = open( name, O_WRONLY|O_CREAT ); if( fd < 0 ) SHOW_RESULT( open, fd ); do { wrote = write( fd, buf, IOSIZE ); if( wrote < 0 ) SHOW_RESULT( write, wrote ); size += wrote; } while( wrote == IOSIZE ); diag_printf("<INFO>: file size == %zd\n",size); err = close( fd ); if( err < 0 ) SHOW_RESULT( close, err ); } //========================================================================== static void checkfile( char *name ) { char buf[IOSIZE]; int fd; ssize_t done; int i; int err; diag_printf("<INFO>: check file %s\n",name); err = access( name, F_OK ); if( err != 0 ) SHOW_RESULT( access, err ); fd = open( name, O_RDONLY ); if( fd < 0 ) SHOW_RESULT( open, fd ); for(;;) { done = read( fd, buf, IOSIZE ); if( done < 0 ) SHOW_RESULT( read, done ); if( done == 0 ) break; for( i = 0; i < done; i++ ) if( buf[i] != i%256 ) { diag_printf("buf[%d](%02x) != %02x\n",i,buf[i],i%256); CYG_TEST_FAIL("Data read not equal to data written\n"); } } err = close( fd ); if( err < 0 ) SHOW_RESULT( close, err ); } //========================================================================== static void copyfile( char *name2, char *name1 ) { int err; char buf[IOSIZE]; int fd1, fd2; ssize_t done, wrote; diag_printf("<INFO>: copy file %s -> %s\n",name2,name1); err = access( name1, F_OK ); if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err ); err = access( name2, F_OK ); if( err != 0 ) SHOW_RESULT( access, err ); fd1 = open( name1, O_WRONLY|O_CREAT ); if( fd1 < 0 ) SHOW_RESULT( open, fd1 ); fd2 = open( name2, O_RDONLY ); if( fd2 < 0 ) SHOW_RESULT( open, fd2 ); for(;;) { done = read( fd2, buf, IOSIZE ); if( done < 0 ) SHOW_RESULT( read, done ); if( done == 0 ) break; wrote = write( fd1, buf, done ); if( wrote != done ) SHOW_RESULT( write, wrote ); if( wrote != done ) break; } err = close( fd1 ); if( err < 0 ) SHOW_RESULT( close, err ); err = close( fd2 ); if( err < 0 ) SHOW_RESULT( close, err ); } //========================================================================== static void comparefiles( char *name2, char *name1 ) { int err; char buf1[IOSIZE]; char buf2[IOSIZE]; int fd1, fd2; ssize_t done1, done2; int i; diag_printf("<INFO>: compare files %s == %s\n",name2,name1); err = access( name1, F_OK ); if( err != 0 ) SHOW_RESULT( access, err ); err = access( name1, F_OK ); if( err != 0 ) SHOW_RESULT( access, err ); fd1 = open( name1, O_RDONLY ); if( fd1 < 0 ) SHOW_RESULT( open, fd1 ); fd2 = open( name2, O_RDONLY ); if( fd2 < 0 ) SHOW_RESULT( open, fd2 ); for(;;) { done1 = read( fd1, buf1, IOSIZE ); if( done1 < 0 ) SHOW_RESULT( read, done1 ); done2 = read( fd2, buf2, IOSIZE ); if( done2 < 0 ) SHOW_RESULT( read, done2 ); if( done1 != done2 ) diag_printf("Files different sizes\n"); if( done1 == 0 ) break; for( i = 0; i < done1; i++ ) if( buf1[i] != buf2[i] ) { diag_printf("buf1[%d](%02x) != buf1[%d](%02x)\n",i,buf1[i],i,buf2[i]); CYG_TEST_FAIL("Data in files not equal\n"); } } err = close( fd1 ); if( err < 0 ) SHOW_RESULT( close, err ); err = close( fd2 ); if( err < 0 ) SHOW_RESULT( close, err ); } //========================================================================== // main int cyg_user_start(void) { int err; CYG_TEST_INIT(); // -------------------------------------------------------------- createfile( "/foo", 202 ); checkfile( "foo" ); copyfile( "foo", "fee"); checkfile( "fee" ); comparefiles( "foo", "/fee" ); err = mkdir( "/bar", 0 ); if( err < 0 ) SHOW_RESULT( mkdir, err ); listdir( "/" , false); copyfile( "fee", "/bar/fum" ); checkfile( "bar/fum" ); comparefiles( "/fee", "bar/fum" ); err = chdir( "bar" ); if( err < 0 ) SHOW_RESULT( chdir, err ); err = rename( "/foo", "bundy" ); if( err < 0 ) SHOW_RESULT( rename, err ); listdir( "/", true ); listdir( "" , true ); checkfile( "/bar/bundy" ); comparefiles("/fee", "bundy" ); testfs_dump(); // -------------------------------------------------------------- err = unlink( "/fee" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = unlink( "fum" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = unlink( "/bar/bundy" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = chdir( "/" ); if( err < 0 ) SHOW_RESULT( chdir, err ); err = rmdir( "/bar" ); if( err < 0 ) SHOW_RESULT( rmdir, err ); listdir( "/", false ); // -------------------------------------------------------------- err = mount( "", "/ram", "testfs" ); if( err < 0 ) SHOW_RESULT( mount, err ); createfile( "/ram/tinky", 456 ); copyfile( "/ram/tinky", "/ram/laalaa" ); checkfile( "/ram/tinky"); checkfile( "/ram/laalaa"); comparefiles( "/ram/tinky", "/ram/laalaa" ); comparefiles( "/ram/tinky", "ram/laalaa" ); comparefiles( "ram/tinky", "/ram/laalaa" ); err = chdir( "/ram" ); if( err < 0 ) SHOW_RESULT( chdir, err ); createfile( "tinky", 678 ); checkfile( "tinky" ); maxfile( "dipsy" ); checkfile( "dipsy" ); copyfile( "dipsy", "po" ); checkfile( "po" ); comparefiles( "dipsy", "po" ); testfs_dump(); // -------------------------------------------------------------- err = unlink( "tinky" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = unlink( "dipsy" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = unlink( "po" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = unlink( "laalaa" ); if( err < 0 ) SHOW_RESULT( unlink, err ); err = chdir( "/" ); if( err < 0 ) SHOW_RESULT( chdir, err ); err = umount( "/ram" ); if( err < 0 ) SHOW_RESULT( umount, err ); CYG_TEST_PASS_FINISH("fileio1"); } // ------------------------------------------------------------------------- // EOF fileio1.c