Overview
Comment: | Added basic "getchildren" implementation in Tcl |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | tcl-ops |
Files: | files | file ages | folders |
SHA1: | ee13ee5aa491c95977832ce005e40ce61e4b128c |
User & Date: | rkeene on 2014-11-07 08:48:19 |
Other Links: | manifest | tags |
Context
2014-11-07
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11:36 | Add "getattr" implementation check-in: d64c2e9bf7 user: rkeene tags: tcl-ops | |
08:48 | Added basic "getchildren" implementation in Tcl check-in: ee13ee5aa4 user: rkeene tags: tcl-ops | |
07:20 | Converted global variables to not be part of a struct check-in: f277407cbc user: rkeene tags: tcl-ops | |
Changes
Modified appfsd.c from [a9240a597b] to [16b07e2510].
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if (retval != TCL_OK) { APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0)); } return(retval); } /* * AppFS: Request that a host's package index be updated locally */ static void appfs_update_index(const char *hostname) { Tcl_Interp *interp; int tcl_ret; APPFS_DEBUG("Enter: hostname = %s", hostname); interp = appfs_TclInterp(); if (interp == NULL) { return; } tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getindex", hostname); if (tcl_ret != TCL_OK) { APPFS_DEBUG("Call to ::appfs::getindex failed: %s", Tcl_GetStringResult(interp)); return; } return; } /* * AppFS: Get a SHA1 from a host * Returns a local file name, or NULL if it cannot be fetched */ static const char *appfs_getfile(const char *hostname, const char *sha1) { Tcl_Interp *interp; char *retval; int tcl_ret; interp = appfs_TclInterp(); if (interp == NULL) { return(NULL); } tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::download", hostname, sha1); if (tcl_ret != TCL_OK) { APPFS_DEBUG("Call to ::appfs::download failed: %s", Tcl_GetStringResult(interp)); return(NULL); } retval = strdup(Tcl_GetStringResult(interp)); return(retval); } /* * AppFS: Update the manifest for a specific package (by the package SHA1) on * a given host */ static void appfs_update_manifest(const char *hostname, const char *sha1) { Tcl_Interp *interp; int tcl_ret; interp = appfs_TclInterp(); if (interp == NULL) { return; } tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::getpkgmanifest", hostname, sha1); if (tcl_ret != TCL_OK) { APPFS_DEBUG("Call to ::appfs::getpkgmanifest failed: %s", Tcl_GetStringResult(interp)); return; } return; } /* * Determine the UID for the user making the current FUSE filesystem request. * This will be used to lookup the user's home directory so we can search for * locally modified files. */ static uid_t appfs_get_fsuid(void) { struct fuse_context *ctx; ................................................................................ static int appfs_fuse_getattr(const char *path, struct stat *stbuf) { struct appfs_pathinfo pathinfo; int res = 0; APPFS_DEBUG("Enter (path = %s, ...)", path); pathinfo.type = APPFS_PATHTYPE_INVALID; res = appfs_get_path_info(path, &pathinfo, NULL); if (res != 0) { return(res); } memset(stbuf, 0, sizeof(struct stat)); stbuf->st_mtime = pathinfo.time; stbuf->st_ctime = pathinfo.time; stbuf->st_atime = pathinfo.time; stbuf->st_ino = pathinfo.inode; ................................................................................ } } return res; } static int appfs_fuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { struct appfs_pathinfo pathinfo; struct appfs_children *children, *child; int retval; APPFS_DEBUG("Enter (path = %s, ...)", path); retval = appfs_get_path_info(path, &pathinfo, &children); if (retval != 0) { return(retval); } filler(buf, ".", NULL, 0); filler(buf, "..", NULL, 0); for (child = children; child; child = child->_next) { filler(buf, child->name, NULL, 0); } // appfs_free_list_children(children); return(0); } static int appfs_fuse_open(const char *path, struct fuse_file_info *fi) { struct appfs_pathinfo pathinfo; const char *real_path; |
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if (retval != TCL_OK) { APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0)); } return(retval); } /* * Determine the UID for the user making the current FUSE filesystem request. * This will be used to lookup the user's home directory so we can search for * locally modified files. */ static uid_t appfs_get_fsuid(void) { struct fuse_context *ctx; ................................................................................ static int appfs_fuse_getattr(const char *path, struct stat *stbuf) { struct appfs_pathinfo pathinfo; int res = 0; APPFS_DEBUG("Enter (path = %s, ...)", path); pathinfo.type = APPFS_PATHTYPE_DIRECTORY; pathinfo.typeinfo.dir.childcount = 0; memset(stbuf, 0, sizeof(struct stat)); stbuf->st_mtime = pathinfo.time; stbuf->st_ctime = pathinfo.time; stbuf->st_atime = pathinfo.time; stbuf->st_ino = pathinfo.inode; ................................................................................ } } return res; } static int appfs_fuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) { Tcl_Interp *interp; Tcl_Obj **children; int children_count, idx; int tcl_ret; int retval; APPFS_DEBUG("Enter (path = %s, ...)", path); interp = appfs_TclInterp(); if (interp == NULL) { return(0); } filler(buf, ".", NULL, 0); filler(buf, "..", NULL, 0); tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getchildren", path); if (tcl_ret != TCL_OK) { APPFS_DEBUG("::appfs::getchildren(%s) failed.", path); APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp)); return(0); } tcl_ret = Tcl_ListObjGetElements(interp, Tcl_GetObjResult(interp), &children_count, &children); if (tcl_ret != TCL_OK) { APPFS_DEBUG("Parsing list of children on path %s failed.", path); APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp)); return(0); } for (idx = 0; idx < children_count; idx++) { filler(buf, Tcl_GetString(children[idx]), NULL, 0); } return(0); } static int appfs_fuse_open(const char *path, struct fuse_file_info *fi) { struct appfs_pathinfo pathinfo; const char *real_path; |
Modified appfsd.tcl from [e0ad1bdba0] to [88b17c4a86].
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package require sqlite3 package require sha1 namespace eval ::appfs { variable cachedir "/tmp/appfs-cache" variable ttl 3600 variable nttl 60 proc _hash_sep {hash {seps 4}} { for {set idx 0} {$idx < $seps} {incr idx} { append retval "[string range $hash [expr {$idx * 2}] [expr {($idx * 2) + 1}]]/" } append retval "[string range $hash [expr {$idx * 2}] end]" ................................................................................ # Force [parray] to be loaded catch { parray does_not_exist } set ::appfs::init_called 1 if {![info exists ::appfs::db]} { file mkdir $::appfs::cachedir sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db] } ................................................................................ # Create indexes db eval {CREATE INDEX IF NOT EXISTS sites_index ON sites (hostname);} db eval {CREATE INDEX IF NOT EXISTS packages_index ON packages (hostname, package, version, os, cpuArch);} db eval {CREATE INDEX IF NOT EXISTS files_index ON files (package_sha1, file_name, file_directory);} } proc download {hostname hash {method sha1}} { set url "http://$hostname/appfs/$method/$hash" set file [_cachefile $url $hash] if {![file exists $file]} { return -code error "Unable to fetch (file does not exist: $file)" } return $file ................................................................................ db eval {INSERT INTO files (package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(perms), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );} db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;} } } return COMPLETE } } |
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package require sqlite3 package require sha1 namespace eval ::appfs { variable cachedir "/tmp/appfs-cache" variable ttl 3600 variable nttl 60 # User-replacable function to convert a hostname/hash/method to an URL proc _construct_url {hostname hash method} { return "http://$hostname/appfs/$method/$hash" } proc _hash_sep {hash {seps 4}} { for {set idx 0} {$idx < $seps} {incr idx} { append retval "[string range $hash [expr {$idx * 2}] [expr {($idx * 2) + 1}]]/" } append retval "[string range $hash [expr {$idx * 2}] end]" ................................................................................ # Force [parray] to be loaded catch { parray does_not_exist } set ::appfs::init_called 1 # Load configuration file set config_file [file join $::appfs::cachedir config] if {[file exists $config_file]} { source $config_file } if {![info exists ::appfs::db]} { file mkdir $::appfs::cachedir sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db] } ................................................................................ # Create indexes db eval {CREATE INDEX IF NOT EXISTS sites_index ON sites (hostname);} db eval {CREATE INDEX IF NOT EXISTS packages_index ON packages (hostname, package, version, os, cpuArch);} db eval {CREATE INDEX IF NOT EXISTS files_index ON files (package_sha1, file_name, file_directory);} } proc download {hostname hash {method sha1}} { set url [_construct_url $hostname $hash $method] set file [_cachefile $url $hash] if {![file exists $file]} { return -code error "Unable to fetch (file does not exist: $file)" } return $file ................................................................................ db eval {INSERT INTO files (package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(perms), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );} db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;} } } return COMPLETE } proc _parsepath {path} { set path [string trim $path "/"] set path [split $path "/"] set pathlen [llength $path] array set retval [list _children sites] if {$pathlen > 0} { set retval(hostname) [lindex $path 0] set retval(_children) packages if {$pathlen > 1} { set package [lindex $path 1] if {[string length $package] == "40" && [regexp {^[a-fA-F0-9]*$} $package]} { set retval(package_sha1) $package set retval(_children) files if {$pathlen > 2} { set retval(file) [join [lrange $path 2 end] "/"] } else { set retval(file) "" } return [array get retval] } else { set retval(package) $package set retval(_children) os-cpu } if {$pathlen > 2} { set os_cpu [lindex $path 2] set os_cpu [split $os_cpu "-"] set retval(os) [lindex $os_cpu 0] set retval(cpu) [lindex $os_cpu 1] set retval(_children) versions if {$pathlen > 3} { set retval(version) [lindex $path 3] set retval(_children) files set retval(package_sha1) [::appfs::db onecolumn {SELECT sha1 FROM packages WHERE hostname = $retval(hostname) AND os = $retval(os) AND cpuArch = $retval(cpu) AND version = $retval(version);}] if {$retval(package_sha1) == ""} { return [list] } if {$pathlen > 4} { set retval(file) [join [lrange $path 4 end] "/"] } else { set retval(file) "" } } } } } return [array get retval] } proc getchildren {dir} { array set pathinfo [_parsepath $dir] switch -- $pathinfo(_children) { "sites" { return [::appfs::db eval {SELECT DISTINCT hostname FROM packages;}] } "packages" { catch { ::appfs::getindex $pathinfo(hostname) } return [::appfs::db eval {SELECT DISTINCT package FROM packages WHERE hostname = $pathinfo(hostname);}] } "os-cpu" { return [::appfs::db eval {SELECT DISTINCT os || "-" || cpuArch FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package);}] } "versions" { return [::appfs::db eval { SELECT DISTINCT version FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package) AND os = $pathinfo(os) AND cpuArch = $pathinfo(cpu); }] } "files" { catch { ::appfs::getpkgmanifest $pathinfo(hostname) $pathinfo(package_sha1) } return [::appfs::db eval {SELECT DISTINCT file_name FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $pathinfo(file);}] } } return -code error "Invalid or unacceptable path: $dir" } proc getattr {path} { } proc openpath {path mode} { } } |