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Comment:Integrate pure C version
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SHA3-256: eebfe1f40fee1be90946d1dc5a4993a160a7d5d9ae95eeddaa5c870c7b5e8aba
User & Date: rkeene on 2020-03-25 00:24:54.467
Other Links: manifest | tags
Context
2020-03-25
01:01
Allow setting a specific mode when building check-in: 807cab65f7 user: rkeene tags: trunk
00:24
Integrate pure C version check-in: eebfe1f40f user: rkeene tags: trunk
2019-12-06
14:17
Updated ignores Closed-Leaf check-in: a01594ff30 user: rkeene tags: pure-c
2019-11-14
23:39
Revert [ac58551e55], needs more work check-in: 992994189a user: rkeene tags: trunk
Changes
Side-by-Side Diff Ignore Whitespace Patch
Modified .fossil-settings/ignore-glob from [5dadc8b9dc] to [a5960fd8bf].
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xvfs.so
example-standalone.gcda
example-standalone.gcno
example-flexible.gcda
example-flexible.gcno
example-client.gcda
example-client.gcno
xvfs-create-c.gcda
xvfs-create-c.gcno
xvfs.gcda
xvfs.gcno
xvfs-create-standalone.new
xvfs-create-standalone
xvfs-test-coverage
xvfs-create-c
xvfs-create-c.o
__test__.tcl
sdks
xvfs_random.so
xvfs_synthetic.so
profile-bare
profile-gperf
oprofile_data
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Modified Makefile from [fa4437d0b1] to [dafcafb7d8]. 


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TCLSH_NATIVE  := tclsh
TCL_CONFIG_SH_DIR := $(shell echo 'puts [tcl::pkgconfig get libdir,runtime]' | $(TCLSH_NATIVE))
TCL_CONFIG_SH := /usr/lib64/tclConfig.sh
TCL_CONFIG_SH := $(TCL_CONFIG_SH_DIR)/tclConfig.sh
XVFS_ROOT_MOUNTPOINT := //xvfs:/
CPPFLAGS      := -DXVFS_ROOT_MOUNTPOINT='"$(XVFS_ROOT_MOUNTPOINT)"' -I. -DUSE_TCL_STUBS=1 -DXVFS_DEBUG $(shell . "${TCL_CONFIG_SH}" && echo "$${TCL_INCLUDE_SPEC}") $(XVFS_ADD_CPPFLAGS)
CFLAGS        := -fPIC -g3 -ggdb3 -Wall $(XVFS_ADD_CFLAGS)
LDFLAGS       := $(XVFS_ADD_LDFLAGS)
LIBS          := $(shell . "${TCL_CONFIG_SH}" && echo "$${TCL_STUB_LIB_SPEC}")
TCLSH         := tclsh
LIB_SUFFIX    := $(shell . "${TCL_CONFIG_SH}"; echo "$${TCL_SHLIB_SUFFIX:-.so}")

all: example-standalone$(LIB_SUFFIX) example-client$(LIB_SUFFIX) example-flexible$(LIB_SUFFIX) xvfs$(LIB_SUFFIX)

example.c: $(shell find example -type f) $(shell find lib -type f) lib/xvfs/xvfs.c.rvt xvfs-create Makefile
	./xvfs-create --directory example --name example > example.c.new
	mv example.c.new example.c
example.c: $(shell find example -type f) $(shell find lib -type f) lib/xvfs/xvfs.c.rvt xvfs-create-c xvfs-create Makefile
	rm -f example.c.new.1 example.c.new.2
	./xvfs-create-c --directory example --name example > example.c.new.1
	./xvfs-create --directory example --name example > example.c.new.2
	bash -c "diff -u <(grep -v '^ *$$' example.c.new.1) <(grep -v '^ *$$' example.c.new.2)" || :
	rm -f example.c.new.2
	mv example.c.new.1 example.c

example-standalone.o: example.c xvfs-core.h xvfs-core.c Makefile
	$(CC) $(CPPFLAGS) -DXVFS_MODE_STANDALONE $(CFLAGS) -o example-standalone.o -c example.c

example-standalone$(LIB_SUFFIX): example-standalone.o Makefile
	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o example-standalone$(LIB_SUFFIX) example-standalone.o $(LIBS)





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# like lib/minirivet, xvfs-core.c, etc) version of "xvfs-create"
xvfs-create-standalone: $(shell find lib -type f) xvfs-create xvfs-core.c xvfs-core.h lib/xvfs/xvfs.c.rvt Makefile
	rm -f xvfs-create-standalone.new xvfs-create-standalone
	./xvfs-create --dump-tcl --remove-debug > xvfs-create-standalone.new
	chmod +x xvfs-create-standalone.new
	mv xvfs-create-standalone.new xvfs-create-standalone

xvfs-create-c: xvfs-create-c.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o xvfs-create-c xvfs-create-c.o $(LIBS)

xvfs-create-c.o: xvfs-create-c.c
	$(CC) $(CPPFLAGS) $(CFLAGS) -o xvfs-create-c.o -c xvfs-create-c.c

xvfs_random$(LIB_SUFFIX): $(shell find example -type f) $(shell find lib -type f) lib/xvfs/xvfs.c.rvt xvfs-create-random Makefile
	./xvfs-create-random | $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DXVFS_MODE_FLEXIBLE -x c - -shared -o xvfs_random$(LIB_SUFFIX) $(LIBS)

xvfs_synthetic$(LIB_SUFFIX): $(shell find lib -type f) lib/xvfs/xvfs.c.rvt xvfs-create-synthetic Makefile
	./xvfs-create-synthetic | $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DXVFS_MODE_FLEXIBLE -x c - -shared -o xvfs_synthetic$(LIB_SUFFIX) $(LIBS)

do-benchmark:




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	./profile-gperf
	gprof ./profile-gperf
	valgrind --tool=callgrind --callgrind-out-file=callgrind.out ./profile-bare 10 2
	callgrind_annotate callgrind.out

clean:
	rm -f xvfs-create-standalone.new xvfs-create-standalone
	rm -f xvfs-create-c.o xvfs-create-c
	rm -f example.c example.c.new
	rm -f example.c example.c.new example.c.new.1 example.c.new.2
	rm -f example-standalone$(LIB_SUFFIX) example-standalone.o
	rm -f example-client.o example-client$(LIB_SUFFIX)
	rm -f example-flexible.o example-flexible$(LIB_SUFFIX)
	rm -f xvfs.o xvfs$(LIB_SUFFIX)
	rm -f example-standalone.gcda example-standalone.gcno
	rm -f example-client.gcda example-client.gcno
	rm -f example-flexible.gcda example-flexible.gcno
	rm -f xvfs-create-c.gcda xvfs-create-c.gcno
	rm -f xvfs_random$(LIB_SUFFIX) xvfs_synthetic$(LIB_SUFFIX)
	rm -f xvfs.gcda xvfs.gcno
	rm -f __test__.tcl
	rm -f profile-bare profile-gperf
	rm -f gmon.out
	rm -f callgrind.out
	rm -rf oprofile_data
	rm -f xvfs-test-coverage.info
	rm -rf xvfs-test-coverage

distclean: clean

.PHONY: all clean distclean test do-test do-coverage do-benchmark do-profile






Modified lib/xvfs/xvfs.c.rvt
from [ced159acac]
to [307533bbcd].





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<?
	# Care must be taken when editing this file as
	# it may be processed by either "xvfs-create"
	# which uses a full Tcl and Rivet parser
	# or by "xvfs-create-c" which uses a much
	# simpler one that only knows about printable
	# sections and ignores all Tcl sections

	if {[info exists ::xvfs::xvfsCoreH]} {
?><?= $::xvfs::xvfsCoreH ?><?
		::minirivet::_emitOutput $::xvfs::xvfsCoreH
	} else {
?>#include <xvfs-core.h><? } ?>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <tcl.h>





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	} data;
};
#endif

<?
	package require xvfs

	xvfs::main $::xvfs::argv

	set ::xvfs::fileInfoStruct [xvfs::main $::xvfs::argv]
?><?= $::xvfs::fileInfoStruct ?>
?>
static long xvfs_<?= $::xvfs::fsName ?>_nameToIndex(const char *path) {
<?
		if {[llength $::xvfs::outputFiles] < 3} {
			set hashMode perfectHashFunction
		} else {
			set hashMode hashTable
		}

		if {$hashMode eq "hashTable"} {
			set hashTable [::xvfs::generateHashTable pathIndex path pathLen XVFS_NAME_LOOKUP_ERROR $::xvfs::outputFiles prefix "\t" hashTableSize 30 validate "strcmp(path, xvfs_${::xvfs::fsName}_data\[pathIndex\].name) == 0" onValidated "return(pathIndex);"]
			set hashTableHeader [dict get $hashTable header]
			puts $hashTableHeader
	set hashTable [::xvfs::generateHashTable pathIndex path pathLen XVFS_NAME_LOOKUP_ERROR $::xvfs::outputFiles prefix "\t" hashTableSize 30 validate "strcmp(path, xvfs_${::xvfs::fsName}_data\[pathIndex\].name) == 0" onValidated "return(pathIndex);"]
	set hashTableHeader [dict get $hashTable header]
?><?= $hashTableHeader ?>
		}
?>	long pathIndex;
	long pathIndex;
	ssize_t pathLen;

	if (path == NULL) {
		return(XVFS_NAME_LOOKUP_ERROR);
	}

	pathLen = strlen(path);

<?
		if {$hashMode eq "perfectHashFunction"} {
?>
	pathIndex = <?= [::xvfs::generatePerfectHashFunctionCall "path" pathLen XVFS_NAME_LOOKUP_ERROR $::xvfs::outputFiles] ?>;
	if (pathIndex < 0 || pathIndex >= <?= [llength $::xvfs::outputFiles] ?>) {
		pathIndex = XVFS_NAME_LOOKUP_ERROR;
	}

	if (pathIndex != XVFS_NAME_LOOKUP_ERROR) {
		if (strcmp(path, xvfs_<?= $::xvfs::fsName ?>_data[pathIndex].name) == 0) {
			return(pathIndex);
		}
	}
<?
		} else {
			puts [dict get $hashTable body]
		}
<?= [dict get $hashTable body] ?>

?>
	return(XVFS_NAME_LOOKUP_ERROR);
}

static const char **xvfs_<?= $::xvfs::fsName ?>_getChildren(const char *path, Tcl_WideInt *count) {
	const struct xvfs_file_data *fileInfo;
	long inode;





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	inode = xvfs_<?= $::xvfs::fsName ?>_nameToIndex(path);
	if (inode == XVFS_NAME_LOOKUP_ERROR) {
		return(XVFS_RV_ERR_ENOENT);
	}
	
	fileInfo = &xvfs_<?= $::xvfs::fsName ?>_data[inode];
	
	statBuf->st_dev   = <?= [zlib adler32 $::xvfs::fsName] ?>;
	statBuf->st_rdev  = <?= [zlib adler32 $::xvfs::fsName] ?>;
	statBuf->st_dev   = <?= [zlib adler32 $::xvfs::fsName 0] ?>;
	statBuf->st_rdev  = <?= [zlib adler32 $::xvfs::fsName 0] ?>;
	statBuf->st_ino   = inode;
	statBuf->st_uid   = 0;
	statBuf->st_gid   = 0;
	statBuf->st_atime = 0;
	statBuf->st_ctime = 0;
	statBuf->st_mtime = 0;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE




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Modified lib/xvfs/xvfs.tcl
from [842e8c1c67]
to [832d8bb370].





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#! /usr/bin/env tclsh

namespace eval ::xvfs {}
namespace eval ::xvfs::callback {}

set ::xvfs::_xvfsDir [file dirname [info script]]

# Functions
proc ::xvfs::_emitLine {line} {
	if {[info command ::minirivet::_emitOutput] ne ""} {
		::minirivet::_emitOutput "${line}\n"
	} else {
		puts $line
	lappend ::xvfs::_emitLine $line
	}
}

proc ::xvfs::printHelp {channel {errors ""}} {
	if {[llength $errors] != 0} {
		foreach error $errors {
			puts $channel "error: $error"
		}




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			return -code error "Unable to process $inputFile, unknown type: $fileInfo(type)"
		}
	}

	::xvfs::_emitLine "\t\{"
	::xvfs::_emitLine "\t\t.name = \"[sanitizeCString $outputFile]\","
	::xvfs::_emitLine "\t\t.type = $type,"
	::xvfs::_emitLine "\t\t.size = $size,"
	switch -exact -- $fileInfo(type) {
		"file" {
			::xvfs::_emitLine "\t\t.data.fileContents = (const unsigned char *) $data"
			::xvfs::_emitLine "\t\t.data.fileContents = (const unsigned char *) $data,"
		}
		"directory" {
			::xvfs::_emitLine "\t\t.data.dirChildren  = $children"
			::xvfs::_emitLine "\t\t.data.dirChildren  = $children,"
		}
	}
	::xvfs::_emitLine "\t\t.size = $size"
	::xvfs::_emitLine "\t\},"
}

proc ::xvfs::processDirectory {fsName directory {subDirectory ""}} {
	set subDirectories [list]
	set outputFiles [list]
	set workingDirectory [file join $directory $subDirectory]




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	}

	## 3. Start processing directory and producing initial output
	set ::xvfs::outputFiles [processDirectory $fsName $rootDirectory]

	set ::xvfs::fsName $fsName
	set ::xvfs::rootDirectory $rootDirectory

	# Return the output
	return [join $::xvfs::_emitLine "\n"]
}

proc ::xvfs::run {args} {
	uplevel #0 { package require minirivet }

	set ::xvfs::argv $args
	::minirivet::parse [file join $::xvfs::_xvfsDir xvfs.c.rvt]




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Added xvfs-create-c.c version [8abf7d803b].




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from [48aa2ff0d9]
to [d0aa4cbe5c].






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	fileContents "abc"
}
dict set ::myOwnVFS "xvfs-create-synthetic" {
	type file
}

proc ::xvfs::callback::addOutputFiles {fsName} {
	for {set i 0} {$i < 100000} {incr i} {
		set filename [expr rand()]
		::xvfs::processFile $fsName "" $filename [dict create type file fileContents [expr rand()]]
		lappend retval $filename
	}

	dict set ::myOwnVFS "" children [list foo xvfs-create-synthetic {*}$retval]

	dict for {outputName fileContentsDict} $::myOwnVFS {
		set inputFile $outputName
		if {[dict exists $fileContentsDict inputFile]} {
			set inputFile [dict get $fileContentsDict inputFile]
		}
		::xvfs::processFile $fsName $inputFile $outputName $fileContentsDict
	}
	return [dict keys $::myOwnVFS]
	lappend retval {*}[dict keys $::myOwnVFS]

	return $retval
}

::xvfs::run --directory [pwd] --name synthetic






Modified xvfs-test-phf
from [97db11b922]
to [c605598e4e].






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	lappend list $i
}

for {set idx 0} {$idx < [llength $list]} {incr idx} {
	set subList [lrange $list 0 $idx]
	puts "$idx ($subList):"
	puts [time {
		puts [::xvfs::generatePerfectHashFunctionCall pathName strlen(pathName) -1 $subList triesAtHashSize 1]
		puts [::xvfs::generatePerfectHashFunctionCall pathName strlen(pathName) -1 $subList useCacheFirst true]
	} 1]
	puts ""
}
















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