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Allow mingling of DiskDump logConsole() output with the web server's log

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This commit is contained in:
Jeff Parsons 2014-10-28 22:09:13 -07:00 • committed by jeffpar
commit ef4c043fab
6 changed files with 878 additions and 818 deletions
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843
docs/pcjs/demos/pc-dbg.js
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docs/pcjs/demos/pc.js
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docs/pcjs/demos/samples.zip
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my_modules/diskdump/lib/diskdump.js
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@ -55,13 +55,24 @@ var X86 = require("../../pcjs-client/lib/x86");
*/
var pkg = require("../../../package.json");
/**
* fDebug controls internal debug console messages; it is false by default but can be enabled from the command-line
/*
* fConsole controls console messages; it is false by default but is enable by the CLI interface.
*/
var fConsole = false;
/*
* fDebug controls debug console messages; it is false by default but can be enabled from the command-line
* using "--debug".
*/
var fDebug = false;
/**
/*
* logFile is passed from the web server through HTMLOut to us, allowing us to "mingle" our logConsole()
* output with the server's log (typically "./logs/node.log").
*/
var logFile = null;
/*
* fNormalize attempts to enforce consistency across multiple dump requests, including the order of files within every
* directory, the use of hard-coded volume label timestamps, etc. And since I assume that normalization is a wonderful
* thing, I don't provide any UI for turning it off.
@ -149,6 +160,15 @@ function DiskDump(sDiskPath, asExclude, sFormat, fComments, mbHD, sServerRoot, s
this.dataDisk = undefined;
}
/**
* setLogFile(file)
*
* @param {Object} file
*/
DiskDump.setLogFile = function(file) {
logFile = file;
};
/*
* Class constants
*/
@ -312,14 +332,16 @@ DiskDump.CLI = function()
var err = null;
var args = proc.getArgs();
fConsole = true;
if (args.argc) {
var argv = args.argv;
if (argv['debug'] !== undefined) fDebug = argv['debug'];
if (fDebug) {
console.log("cwd: " + process.cwd());
console.log("args: " + JSON.stringify(argv));
DiskDump.logConsole("cwd: " + process.cwd());
DiskDump.logConsole("args: " + JSON.stringify(argv));
}
var sDiskPath = null, sServerRoot = "";
@ -396,7 +418,7 @@ DiskDump.CLI = function()
}
}
else {
console.log("usage: diskdump --dir={dir}|--disk={disk}|--path={file}[;{file}...] [--format=json|data|hex|bytes|img] [--comments] [--output={file}] [--manifest={file}] [--xdf]");
DiskDump.logConsole("usage: diskdump --dir={dir}|--disk={disk}|--path={file}[;{file}...] [--format=json|data|hex|bytes|img] [--comments] [--output={file}] [--manifest={file}] [--xdf]");
}
if (err) {
@ -455,15 +477,15 @@ DiskDump.outputDisk = function(err, disk, sDiskPath, sOutputFile, fOverwrite, sM
try {
if (fUnchanged) {
console.log(sOutputFile + " unchanged");
DiskDump.logConsole(sOutputFile + " unchanged");
} else {
if (fs.existsSync(sOutputFile) && !fOverwrite) {
console.log(sOutputFile + " exists, use --overwrite to rewrite");
DiskDump.logConsole(sOutputFile + " exists, use --overwrite to rewrite");
} else {
var sDirName = path.dirname(sOutputFile);
if (!fs.existsSync(sDirName)) mkdirp.sync(sDirName);
fs.writeFileSync(sOutputFile, data);
console.log(cbDisk + "-byte disk image saved to " + sOutputFile);
DiskDump.logConsole(cbDisk + "-byte disk image saved to " + sOutputFile);
}
}
} catch(e) {
@ -475,9 +497,9 @@ DiskDump.outputDisk = function(err, disk, sDiskPath, sOutputFile, fOverwrite, sM
* "stringify" buffers, but if that's what the caller wants, they should use "--format=json".
*/
if (typeof data == "string") {
console.log(data);
DiskDump.logConsole(data);
} else {
console.log("specify --output={file} to save " + cbDisk + "-byte disk image");
DiskDump.logConsole("specify --output={file} to save " + cbDisk + "-byte disk image");
}
}
} else {
@ -647,16 +669,16 @@ DiskDump.updateManifest = function(disk, sManifestFile, sDiskPath, sOutputFile,
if (fOverwrite || !fExists) {
try {
fs.writeFileSync(sManifestFile, sXML);
console.log(sManifestFile + " updated");
DiskDump.logConsole(sManifestFile + " updated");
} catch(e) {
err = e;
}
} else {
console.log(sManifestFile + " exists, use --overwrite to rewrite");
if (fDebug) console.log(sXML);
DiskDump.logConsole(sManifestFile + " exists, use --overwrite to rewrite");
if (fDebug) DiskDump.logConsole(sXML);
}
} else {
console.log(sManifestFile + " unchanged");
DiskDump.logConsole(sManifestFile + " unchanged");
fUnchanged = (!md5Disk || !sMD5Disk || (md5Disk == sMD5Disk && (!md5JSON || md5JSON == sMD5JSON)));
}
}
@ -665,6 +687,19 @@ DiskDump.updateManifest = function(disk, sManifestFile, sDiskPath, sOutputFile,
return fUnchanged;
};
/**
* logConsole(s)
*
* @param {string} s
* @return {string}
*/
DiskDump.logConsole = function(s)
{
if (fConsole) console.log(s);
if (logFile) logFile.write(s + "\n");
return s;
};
/**
* logError(err)
*
@ -678,7 +713,7 @@ DiskDump.logError = function(err)
var sError = "";
if (err) {
sError = "diskdump error: " + err.message;
console.log(sError);
DiskDump.logConsole(sError);
}
return sError;
};
@ -696,7 +731,7 @@ DiskDump.logWarning = function(s)
var sWarning = "";
if (s) {
sWarning = "diskdump warning: " + s;
console.log(sWarning);
DiskDump.logConsole(sWarning);
}
return sWarning;
};
@ -732,7 +767,7 @@ DiskDump.readFile = function(sPath, sEncoding, done)
*
net.getStat(sPath, function(err, stats) {
if (!err) {
console.log(stats);
DiskDump.logConsole(stats);
} else {
DiskDump.logError(err);
}
@ -807,7 +842,7 @@ DiskDump.prototype.loadFile = function(done)
DiskDump.prototype.setData = function(err, buf, done)
{
if (err) {
DiskDump.logError(err); // console.log("unable to read " + this.sDiskPath);
DiskDump.logError(err); // DiskDump.logConsole("unable to read " + this.sDiskPath);
done(err);
return;
}
@ -1015,7 +1050,7 @@ DiskDump.prototype.trimSector = function(buf, len)
dwPattern = buf.readInt32LE(off);
while ((off -= cbPattern) >= 0) {
var dw = buf.readInt32LE(off);
// if (fDebug) console.log("0x" + str.toHex(off) + ": comparing 0x" + str.toHex(dw) + " to pattern 0x" + str.toHex(dwPattern));
// if (fDebug) DiskDump.logConsole("0x" + str.toHex(off) + ": comparing 0x" + str.toHex(dw) + " to pattern 0x" + str.toHex(dwPattern));
if (dw != dwPattern) break;
cbTrim += cbPattern;
}
@ -1498,7 +1533,7 @@ DiskDump.prototype.buildFAT = function(abFAT, aFiles, iCluster, cbCluster)
while (cFileClusters-- > 0) {
var iNextCluster = iCluster + 1;
if (!cFileClusters) iNextCluster = 0xFFF;
// if (fDebug) console.log(aFiles[iFile].FILE_NAME + ": setting cluster entry " + iCluster + " to 0x" + str.toHexWord(iNextCluster));
// if (fDebug) DiskDump.logConsole(aFiles[iFile].FILE_NAME + ": setting cluster entry " + iCluster + " to 0x" + str.toHexWord(iNextCluster));
this.buildFATEntry(abFAT, iCluster++, iNextCluster);
}
}
@ -1566,7 +1601,7 @@ DiskDump.prototype.buildDir = function(abDir, aFiles, dateMod, iCluster, iParent
}
for (var iFile = 0; iFile < aFiles.length; iFile++) {
if (aFiles[iFile].FILE_CLUS === undefined) {
if (fDebug) console.log("file " + aFiles[iFile].FILE_NAME + " missing cluster, skipping");
if (fDebug) DiskDump.logConsole("file " + aFiles[iFile].FILE_NAME + " missing cluster, skipping");
continue;
}
offDir += this.buildDirEntry(abDir, offDir, aFiles[iFile].FILE_NAME, aFiles[iFile].FILE_SIZE, aFiles[iFile].FILE_ATTR, aFiles[iFile].FILE_TIME, aFiles[iFile].FILE_CLUS);
@ -1694,9 +1729,9 @@ DiskDump.prototype.buildClusters = function(aFiles, offDisk, cbCluster, iParentC
(function readClusters(file, cb, off) {
fs.readFile(file.FILE_PATH, function doneReadClusters(err, buf) {
if (!err) {
if (fDebug && cb != buf.length) console.log(file.FILE_NAME + ": initial size (" + cb + ") does not match actual size (" + buf.length + ")");
if (fDebug && cb != buf.length) DiskDump.logConsole(file.FILE_NAME + ": initial size (" + cb + ") does not match actual size (" + buf.length + ")");
buf.copy(obj.bufDisk, off);
if (fDebug) console.log("0x" + str.toHex(off) + ": 0x" + str.toHex(buf.length) + " bytes written for " + file.FILE_PATH);
if (fDebug) DiskDump.logConsole("0x" + str.toHex(off) + ": 0x" + str.toHex(buf.length) + " bytes written for " + file.FILE_PATH);
if (obj.sManifestFile) file.FILE_MD5 = crypto.createHash('md5').update(buf).digest('hex');
}
if (!--obj.cWritesPending) done(err);
@ -1716,7 +1751,7 @@ DiskDump.prototype.buildClusters = function(aFiles, offDisk, cbCluster, iParentC
}
if (bufData) {
bufData.copy(this.bufDisk, offDisk);
if (fDebug) console.log("0x" + str.toHex(offDisk) + ": 0x" + str.toHex(bufData.length) + " bytes IMMEDIATELY written for " + aFiles[iFile].FILE_PATH);
if (fDebug) DiskDump.logConsole("0x" + str.toHex(offDisk) + ": 0x" + str.toHex(bufData.length) + " bytes IMMEDIATELY written for " + aFiles[iFile].FILE_PATH);
}
offDisk += cbData;
cClusters += ((cbData / cbCluster) | 0);
@ -1732,11 +1767,11 @@ DiskDump.prototype.buildClusters = function(aFiles, offDisk, cbCluster, iParentC
for (iFile = 0; iFile < aFiles.length; iFile++) {
var cb = aFiles[iFile].FILE_SIZE;
if (cb < 0) {
if (fDebug) console.log("0x" + str.toHex(offDisk) + ": buildClusters()");
if (fDebug) DiskDump.logConsole("0x" + str.toHex(offDisk) + ": buildClusters()");
var cSubClusters = this.buildClusters(aFiles[iFile].FILE_DATA, offDisk, cbCluster, aFiles[iFile].FILE_CLUS, iLevel + 1, done);
cClusters += cSubClusters;
offDisk += cSubClusters * cbCluster;
if (fDebug) console.log("0x" + str.toHex(offDisk) + ": buildClusters() returned, writing " + cSubClusters + " clusters");
if (fDebug) DiskDump.logConsole("0x" + str.toHex(offDisk) + ": buildClusters() returned, writing " + cSubClusters + " clusters");
}
}
}
@ -1902,7 +1937,7 @@ DiskDump.prototype.buildImageFromFiles = function(aFiles, done)
var cbMax = (this.mbHD? this.mbHD * 1024 * 1024 : 1440 * 1024);
var cbTotal = this.calcFileSizes(aFiles);
if (fDebug) console.log("total calculated size for " + aFiles.length + " files/folders: " + cbTotal + " bytes (0x" + str.toHex(cbTotal) + ")");
if (fDebug) DiskDump.logConsole("total calculated size for " + aFiles.length + " files/folders: " + cbTotal + " bytes (0x" + str.toHex(cbTotal) + ")");
if (cbTotal >= cbMax) {
err = new Error("file(s) too large (" + cbTotal + " bytes total, " + cbMax + " bytes maximum)");
@ -2030,7 +2065,7 @@ DiskDump.prototype.buildImageFromFiles = function(aFiles, done)
var cClusters = this.buildClusters(aFiles, offDisk, cbCluster, 0, 0, done);
offDisk += cClusters * cSectorsPerCluster * cbSector;
if (fDebug) console.log(offDisk + " bytes written, " + cbDisk + " bytes available");
if (fDebug) DiskDump.logConsole(offDisk + " bytes written, " + cbDisk + " bytes available");
if (offDisk > cbDisk) {
err = new Error("too much data for disk image (" + cClusters + " clusters required)");
@ -2058,7 +2093,7 @@ DiskDump.prototype.convertToJSON = function()
* TODO: Decide if we want to retain this usage info:
*/
if (!this.bufDisk) {
// console.log("no data available in disk image");
// DiskDump.logConsole("no data available in disk image");
// this.jsonDisk = "[ /* no data */ ]";
this.jsonDisk = "[\n /**\n * " + DiskDump.sNotice + "\n * " + DiskDump.sUsage + "\n */\n]";
return this.jsonDisk;
@ -2547,6 +2582,8 @@ DiskDump.prototype.convertOSIDiskToJSON = function()
*/
DiskDump.prototype.convertToIMG = function()
{
DiskDump.logConsole("convertToIMG()");
if (!this.bufDisk) {
if (!this.dataDisk) {

1
my_modules/htmlout/lib/htmlout.js
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@ -657,6 +657,7 @@ HTMLOut.setOptions = function(options)
}
if (options['logfile'] !== undefined) {
logFile = options['logfile'];
HTTPAPI.setLogFile(logFile);
}
if (options['rebuild'] !== undefined) {
fRebuild = options['rebuild'];

15
my_modules/htmlout/lib/httpapi.js
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@ -64,6 +64,11 @@ var HTMLOut;
*/
var sServerRoot = "";
/*
* logFile is set by HTMLOut, allowing us to "mingle" our output with the server's log (typically "./logs/node.log").
*/
var logFile = null;
/*
* Entries in this table are matched first, as-is, to req.path (no string or RegExp compare involved);
* we do, however, strip any trailing slash from the incoming path before doing the lookup, so none of
@ -140,6 +145,16 @@ function HTTPAPI(out, sRoot) {
sServerRoot = sRoot;
}
/**
* setLogFile(file)
*
* @param {Object} file
*/
HTTPAPI.setLogFile = function(file) {
logFile = file;
DiskDump.setLogFile(file);
};
/**
* @class Volume
* @property {number|null} fd file descriptor