diff options
Diffstat (limited to 'vendor/github.com/alecthomas')
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/.gitignore | 2 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/LICENSE | 13 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/README | 14 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/config.go | 288 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/filelog.go | 264 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/log4go.go | 484 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/pattlog.go | 126 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/socklog.go | 57 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/termlog.go | 49 | ||||
| -rw-r--r-- | vendor/github.com/alecthomas/log4go/wrapper.go | 278 |
10 files changed, 0 insertions, 1575 deletions
diff --git a/vendor/github.com/alecthomas/log4go/.gitignore b/vendor/github.com/alecthomas/log4go/.gitignore deleted file mode 100644 index f6207cd8..00000000 --- a/vendor/github.com/alecthomas/log4go/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -*.sw[op] -.DS_Store diff --git a/vendor/github.com/alecthomas/log4go/LICENSE b/vendor/github.com/alecthomas/log4go/LICENSE deleted file mode 100644 index 7093402b..00000000 --- a/vendor/github.com/alecthomas/log4go/LICENSE +++ /dev/null @@ -1,13 +0,0 @@ -Copyright (c) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/alecthomas/log4go/README b/vendor/github.com/alecthomas/log4go/README deleted file mode 100644 index 3361567f..00000000 --- a/vendor/github.com/alecthomas/log4go/README +++ /dev/null @@ -1,14 +0,0 @@ -# This is an unmaintained fork, left only so it doesn't break imports. - -Please see http://log4go.googlecode.com/ - -Installation: -- Run `goinstall log4go.googlecode.com/hg` - -Usage: -- Add the following import: -import l4g "log4go.googlecode.com/hg" - -Acknowledgements: -- pomack - For providing awesome patches to bring log4go up to the latest Go spec diff --git a/vendor/github.com/alecthomas/log4go/config.go b/vendor/github.com/alecthomas/log4go/config.go deleted file mode 100644 index 577c3eb2..00000000 --- a/vendor/github.com/alecthomas/log4go/config.go +++ /dev/null @@ -1,288 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "encoding/xml" - "fmt" - "io/ioutil" - "os" - "strconv" - "strings" -) - -type xmlProperty struct { - Name string `xml:"name,attr"` - Value string `xml:",chardata"` -} - -type xmlFilter struct { - Enabled string `xml:"enabled,attr"` - Tag string `xml:"tag"` - Level string `xml:"level"` - Type string `xml:"type"` - Property []xmlProperty `xml:"property"` -} - -type xmlLoggerConfig struct { - Filter []xmlFilter `xml:"filter"` -} - -// Load XML configuration; see examples/example.xml for documentation -func (log Logger) LoadConfiguration(filename string) { - log.Close() - - // Open the configuration file - fd, err := os.Open(filename) - if err != nil { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Could not open %q for reading: %s\n", filename, err) - os.Exit(1) - } - - contents, err := ioutil.ReadAll(fd) - if err != nil { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Could not read %q: %s\n", filename, err) - os.Exit(1) - } - - xc := new(xmlLoggerConfig) - if err := xml.Unmarshal(contents, xc); err != nil { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Could not parse XML configuration in %q: %s\n", filename, err) - os.Exit(1) - } - - for _, xmlfilt := range xc.Filter { - var filt LogWriter - var lvl Level - bad, good, enabled := false, true, false - - // Check required children - if len(xmlfilt.Enabled) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required attribute %s for filter missing in %s\n", "enabled", filename) - bad = true - } else { - enabled = xmlfilt.Enabled != "false" - } - if len(xmlfilt.Tag) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required child <%s> for filter missing in %s\n", "tag", filename) - bad = true - } - if len(xmlfilt.Type) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required child <%s> for filter missing in %s\n", "type", filename) - bad = true - } - if len(xmlfilt.Level) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required child <%s> for filter missing in %s\n", "level", filename) - bad = true - } - - switch xmlfilt.Level { - case "FINEST": - lvl = FINEST - case "FINE": - lvl = FINE - case "DEBUG": - lvl = DEBUG - case "TRACE": - lvl = TRACE - case "INFO": - lvl = INFO - case "WARNING": - lvl = WARNING - case "ERROR": - lvl = ERROR - case "CRITICAL": - lvl = CRITICAL - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required child <%s> for filter has unknown value in %s: %s\n", "level", filename, xmlfilt.Level) - bad = true - } - - // Just so all of the required attributes are errored at the same time if missing - if bad { - os.Exit(1) - } - - switch xmlfilt.Type { - case "console": - filt, good = xmlToConsoleLogWriter(filename, xmlfilt.Property, enabled) - case "file": - filt, good = xmlToFileLogWriter(filename, xmlfilt.Property, enabled) - case "xml": - filt, good = xmlToXMLLogWriter(filename, xmlfilt.Property, enabled) - case "socket": - filt, good = xmlToSocketLogWriter(filename, xmlfilt.Property, enabled) - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Could not load XML configuration in %s: unknown filter type \"%s\"\n", filename, xmlfilt.Type) - os.Exit(1) - } - - // Just so all of the required params are errored at the same time if wrong - if !good { - os.Exit(1) - } - - // If we're disabled (syntax and correctness checks only), don't add to logger - if !enabled { - continue - } - - log[xmlfilt.Tag] = &Filter{lvl, filt} - } -} - -func xmlToConsoleLogWriter(filename string, props []xmlProperty, enabled bool) (*ConsoleLogWriter, bool) { - // Parse properties - for _, prop := range props { - switch prop.Name { - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Warning: Unknown property \"%s\" for console filter in %s\n", prop.Name, filename) - } - } - - // If it's disabled, we're just checking syntax - if !enabled { - return nil, true - } - - return NewConsoleLogWriter(), true -} - -// Parse a number with K/M/G suffixes based on thousands (1000) or 2^10 (1024) -func strToNumSuffix(str string, mult int) int { - num := 1 - if len(str) > 1 { - switch str[len(str)-1] { - case 'G', 'g': - num *= mult - fallthrough - case 'M', 'm': - num *= mult - fallthrough - case 'K', 'k': - num *= mult - str = str[0 : len(str)-1] - } - } - parsed, _ := strconv.Atoi(str) - return parsed * num -} -func xmlToFileLogWriter(filename string, props []xmlProperty, enabled bool) (*FileLogWriter, bool) { - file := "" - format := "[%D %T] [%L] (%S) %M" - maxlines := 0 - maxsize := 0 - daily := false - rotate := false - - // Parse properties - for _, prop := range props { - switch prop.Name { - case "filename": - file = strings.Trim(prop.Value, " \r\n") - case "format": - format = strings.Trim(prop.Value, " \r\n") - case "maxlines": - maxlines = strToNumSuffix(strings.Trim(prop.Value, " \r\n"), 1000) - case "maxsize": - maxsize = strToNumSuffix(strings.Trim(prop.Value, " \r\n"), 1024) - case "daily": - daily = strings.Trim(prop.Value, " \r\n") != "false" - case "rotate": - rotate = strings.Trim(prop.Value, " \r\n") != "false" - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Warning: Unknown property \"%s\" for file filter in %s\n", prop.Name, filename) - } - } - - // Check properties - if len(file) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required property \"%s\" for file filter missing in %s\n", "filename", filename) - return nil, false - } - - // If it's disabled, we're just checking syntax - if !enabled { - return nil, true - } - - flw := NewFileLogWriter(file, rotate) - flw.SetFormat(format) - flw.SetRotateLines(maxlines) - flw.SetRotateSize(maxsize) - flw.SetRotateDaily(daily) - return flw, true -} - -func xmlToXMLLogWriter(filename string, props []xmlProperty, enabled bool) (*FileLogWriter, bool) { - file := "" - maxrecords := 0 - maxsize := 0 - daily := false - rotate := false - - // Parse properties - for _, prop := range props { - switch prop.Name { - case "filename": - file = strings.Trim(prop.Value, " \r\n") - case "maxrecords": - maxrecords = strToNumSuffix(strings.Trim(prop.Value, " \r\n"), 1000) - case "maxsize": - maxsize = strToNumSuffix(strings.Trim(prop.Value, " \r\n"), 1024) - case "daily": - daily = strings.Trim(prop.Value, " \r\n") != "false" - case "rotate": - rotate = strings.Trim(prop.Value, " \r\n") != "false" - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Warning: Unknown property \"%s\" for xml filter in %s\n", prop.Name, filename) - } - } - - // Check properties - if len(file) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required property \"%s\" for xml filter missing in %s\n", "filename", filename) - return nil, false - } - - // If it's disabled, we're just checking syntax - if !enabled { - return nil, true - } - - xlw := NewXMLLogWriter(file, rotate) - xlw.SetRotateLines(maxrecords) - xlw.SetRotateSize(maxsize) - xlw.SetRotateDaily(daily) - return xlw, true -} - -func xmlToSocketLogWriter(filename string, props []xmlProperty, enabled bool) (SocketLogWriter, bool) { - endpoint := "" - protocol := "udp" - - // Parse properties - for _, prop := range props { - switch prop.Name { - case "endpoint": - endpoint = strings.Trim(prop.Value, " \r\n") - case "protocol": - protocol = strings.Trim(prop.Value, " \r\n") - default: - fmt.Fprintf(os.Stderr, "LoadConfiguration: Warning: Unknown property \"%s\" for file filter in %s\n", prop.Name, filename) - } - } - - // Check properties - if len(endpoint) == 0 { - fmt.Fprintf(os.Stderr, "LoadConfiguration: Error: Required property \"%s\" for file filter missing in %s\n", "endpoint", filename) - return nil, false - } - - // If it's disabled, we're just checking syntax - if !enabled { - return nil, true - } - - return NewSocketLogWriter(protocol, endpoint), true -} diff --git a/vendor/github.com/alecthomas/log4go/filelog.go b/vendor/github.com/alecthomas/log4go/filelog.go deleted file mode 100644 index ee0ab0c0..00000000 --- a/vendor/github.com/alecthomas/log4go/filelog.go +++ /dev/null @@ -1,264 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "fmt" - "os" - "time" -) - -// This log writer sends output to a file -type FileLogWriter struct { - rec chan *LogRecord - rot chan bool - - // The opened file - filename string - file *os.File - - // The logging format - format string - - // File header/trailer - header, trailer string - - // Rotate at linecount - maxlines int - maxlines_curlines int - - // Rotate at size - maxsize int - maxsize_cursize int - - // Rotate daily - daily bool - daily_opendate int - - // Keep old logfiles (.001, .002, etc) - rotate bool - maxbackup int -} - -// This is the FileLogWriter's output method -func (w *FileLogWriter) LogWrite(rec *LogRecord) { - w.rec <- rec -} - -func (w *FileLogWriter) Close() { - close(w.rec) - w.file.Sync() -} - -// NewFileLogWriter creates a new LogWriter which writes to the given file and -// has rotation enabled if rotate is true. -// -// If rotate is true, any time a new log file is opened, the old one is renamed -// with a .### extension to preserve it. The various Set* methods can be used -// to configure log rotation based on lines, size, and daily. -// -// The standard log-line format is: -// [%D %T] [%L] (%S) %M -func NewFileLogWriter(fname string, rotate bool) *FileLogWriter { - w := &FileLogWriter{ - rec: make(chan *LogRecord, LogBufferLength), - rot: make(chan bool), - filename: fname, - format: "[%D %T] [%L] (%S) %M", - rotate: rotate, - maxbackup: 999, - } - - // open the file for the first time - if err := w.intRotate(); err != nil { - fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.filename, err) - return nil - } - - go func() { - defer func() { - if w.file != nil { - fmt.Fprint(w.file, FormatLogRecord(w.trailer, &LogRecord{Created: time.Now()})) - w.file.Close() - } - }() - - for { - select { - case <-w.rot: - if err := w.intRotate(); err != nil { - fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.filename, err) - return - } - case rec, ok := <-w.rec: - if !ok { - return - } - now := time.Now() - if (w.maxlines > 0 && w.maxlines_curlines >= w.maxlines) || - (w.maxsize > 0 && w.maxsize_cursize >= w.maxsize) || - (w.daily && now.Day() != w.daily_opendate) { - if err := w.intRotate(); err != nil { - fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.filename, err) - return - } - } - - // Perform the write - n, err := fmt.Fprint(w.file, FormatLogRecord(w.format, rec)) - if err != nil { - fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.filename, err) - return - } - - // Update the counts - w.maxlines_curlines++ - w.maxsize_cursize += n - } - } - }() - - return w -} - -// Request that the logs rotate -func (w *FileLogWriter) Rotate() { - w.rot <- true -} - -// If this is called in a threaded context, it MUST be synchronized -func (w *FileLogWriter) intRotate() error { - // Close any log file that may be open - if w.file != nil { - fmt.Fprint(w.file, FormatLogRecord(w.trailer, &LogRecord{Created: time.Now()})) - w.file.Close() - } - - // If we are keeping log files, move it to the next available number - if w.rotate { - _, err := os.Lstat(w.filename) - if err == nil { // file exists - // Find the next available number - num := 1 - fname := "" - if w.daily && time.Now().Day() != w.daily_opendate { - yesterday := time.Now().AddDate(0, 0, -1).Format("2006-01-02") - - for ; err == nil && num <= 999; num++ { - fname = w.filename + fmt.Sprintf(".%s.%03d", yesterday, num) - _, err = os.Lstat(fname) - } - // return error if the last file checked still existed - if err == nil { - return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.filename) - } - } else { - num = w.maxbackup - 1 - for ; num >= 1; num-- { - fname = w.filename + fmt.Sprintf(".%d", num) - nfname := w.filename + fmt.Sprintf(".%d", num+1) - _, err = os.Lstat(fname) - if err == nil { - os.Rename(fname, nfname) - } - } - } - - w.file.Close() - // Rename the file to its newfound home - err = os.Rename(w.filename, fname) - if err != nil { - return fmt.Errorf("Rotate: %s\n", err) - } - } - } - - // Open the log file - fd, err := os.OpenFile(w.filename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0660) - if err != nil { - return err - } - w.file = fd - - now := time.Now() - fmt.Fprint(w.file, FormatLogRecord(w.header, &LogRecord{Created: now})) - - // Set the daily open date to the current date - w.daily_opendate = now.Day() - - // initialize rotation values - w.maxlines_curlines = 0 - w.maxsize_cursize = 0 - - return nil -} - -// Set the logging format (chainable). Must be called before the first log -// message is written. -func (w *FileLogWriter) SetFormat(format string) *FileLogWriter { - w.format = format - return w -} - -// Set the logfile header and footer (chainable). Must be called before the first log -// message is written. These are formatted similar to the FormatLogRecord (e.g. -// you can use %D and %T in your header/footer for date and time). -func (w *FileLogWriter) SetHeadFoot(head, foot string) *FileLogWriter { - w.header, w.trailer = head, foot - if w.maxlines_curlines == 0 { - fmt.Fprint(w.file, FormatLogRecord(w.header, &LogRecord{Created: time.Now()})) - } - return w -} - -// Set rotate at linecount (chainable). Must be called before the first log -// message is written. -func (w *FileLogWriter) SetRotateLines(maxlines int) *FileLogWriter { - //fmt.Fprintf(os.Stderr, "FileLogWriter.SetRotateLines: %v\n", maxlines) - w.maxlines = maxlines - return w -} - -// Set rotate at size (chainable). Must be called before the first log message -// is written. -func (w *FileLogWriter) SetRotateSize(maxsize int) *FileLogWriter { - //fmt.Fprintf(os.Stderr, "FileLogWriter.SetRotateSize: %v\n", maxsize) - w.maxsize = maxsize - return w -} - -// Set rotate daily (chainable). Must be called before the first log message is -// written. -func (w *FileLogWriter) SetRotateDaily(daily bool) *FileLogWriter { - //fmt.Fprintf(os.Stderr, "FileLogWriter.SetRotateDaily: %v\n", daily) - w.daily = daily - return w -} - -// Set max backup files. Must be called before the first log message -// is written. -func (w *FileLogWriter) SetRotateMaxBackup(maxbackup int) *FileLogWriter { - w.maxbackup = maxbackup - return w -} - -// SetRotate changes whether or not the old logs are kept. (chainable) Must be -// called before the first log message is written. If rotate is false, the -// files are overwritten; otherwise, they are rotated to another file before the -// new log is opened. -func (w *FileLogWriter) SetRotate(rotate bool) *FileLogWriter { - //fmt.Fprintf(os.Stderr, "FileLogWriter.SetRotate: %v\n", rotate) - w.rotate = rotate - return w -} - -// NewXMLLogWriter is a utility method for creating a FileLogWriter set up to -// output XML record log messages instead of line-based ones. -func NewXMLLogWriter(fname string, rotate bool) *FileLogWriter { - return NewFileLogWriter(fname, rotate).SetFormat( - ` <record level="%L"> - <timestamp>%D %T</timestamp> - <source>%S</source> - <message>%M</message> - </record>`).SetHeadFoot("<log created=\"%D %T\">", "</log>") -} diff --git a/vendor/github.com/alecthomas/log4go/log4go.go b/vendor/github.com/alecthomas/log4go/log4go.go deleted file mode 100644 index 822e890c..00000000 --- a/vendor/github.com/alecthomas/log4go/log4go.go +++ /dev/null @@ -1,484 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -// Package log4go provides level-based and highly configurable logging. -// -// Enhanced Logging -// -// This is inspired by the logging functionality in Java. Essentially, you create a Logger -// object and create output filters for it. You can send whatever you want to the Logger, -// and it will filter that based on your settings and send it to the outputs. This way, you -// can put as much debug code in your program as you want, and when you're done you can filter -// out the mundane messages so only the important ones show up. -// -// Utility functions are provided to make life easier. Here is some example code to get started: -// -// log := log4go.NewLogger() -// log.AddFilter("stdout", log4go.DEBUG, log4go.NewConsoleLogWriter()) -// log.AddFilter("log", log4go.FINE, log4go.NewFileLogWriter("example.log", true)) -// log.Info("The time is now: %s", time.LocalTime().Format("15:04:05 MST 2006/01/02")) -// -// The first two lines can be combined with the utility NewDefaultLogger: -// -// log := log4go.NewDefaultLogger(log4go.DEBUG) -// log.AddFilter("log", log4go.FINE, log4go.NewFileLogWriter("example.log", true)) -// log.Info("The time is now: %s", time.LocalTime().Format("15:04:05 MST 2006/01/02")) -// -// Usage notes: -// - The ConsoleLogWriter does not display the source of the message to standard -// output, but the FileLogWriter does. -// - The utility functions (Info, Debug, Warn, etc) derive their source from the -// calling function, and this incurs extra overhead. -// -// Changes from 2.0: -// - The external interface has remained mostly stable, but a lot of the -// internals have been changed, so if you depended on any of this or created -// your own LogWriter, then you will probably have to update your code. In -// particular, Logger is now a map and ConsoleLogWriter is now a channel -// behind-the-scenes, and the LogWrite method no longer has return values. -// -// Future work: (please let me know if you think I should work on any of these particularly) -// - Log file rotation -// - Logging configuration files ala log4j -// - Have the ability to remove filters? -// - Have GetInfoChannel, GetDebugChannel, etc return a chan string that allows -// for another method of logging -// - Add an XML filter type -package log4go - -import ( - "errors" - "fmt" - "os" - "runtime" - "strings" - "time" -) - -// Version information -const ( - L4G_VERSION = "log4go-v3.0.1" - L4G_MAJOR = 3 - L4G_MINOR = 0 - L4G_BUILD = 1 -) - -/****** Constants ******/ - -// These are the integer logging levels used by the logger -type Level int - -const ( - FINEST Level = iota - FINE - DEBUG - TRACE - INFO - WARNING - ERROR - CRITICAL -) - -// Logging level strings -var ( - levelStrings = [...]string{"FNST", "FINE", "DEBG", "TRAC", "INFO", "WARN", "EROR", "CRIT"} -) - -func (l Level) String() string { - if l < 0 || int(l) > len(levelStrings) { - return "UNKNOWN" - } - return levelStrings[int(l)] -} - -/****** Variables ******/ -var ( - // LogBufferLength specifies how many log messages a particular log4go - // logger can buffer at a time before writing them. - LogBufferLength = 32 -) - -/****** LogRecord ******/ - -// A LogRecord contains all of the pertinent information for each message -type LogRecord struct { - Level Level // The log level - Created time.Time // The time at which the log message was created (nanoseconds) - Source string // The message source - Message string // The log message -} - -/****** LogWriter ******/ - -// This is an interface for anything that should be able to write logs -type LogWriter interface { - // This will be called to log a LogRecord message. - LogWrite(rec *LogRecord) - - // This should clean up anything lingering about the LogWriter, as it is called before - // the LogWriter is removed. LogWrite should not be called after Close. - Close() -} - -/****** Logger ******/ - -// A Filter represents the log level below which no log records are written to -// the associated LogWriter. -type Filter struct { - Level Level - LogWriter -} - -// A Logger represents a collection of Filters through which log messages are -// written. -type Logger map[string]*Filter - -// Create a new logger. -// -// DEPRECATED: Use make(Logger) instead. -func NewLogger() Logger { - os.Stderr.WriteString("warning: use of deprecated NewLogger\n") - return make(Logger) -} - -// Create a new logger with a "stdout" filter configured to send log messages at -// or above lvl to standard output. -// -// DEPRECATED: use NewDefaultLogger instead. -func NewConsoleLogger(lvl Level) Logger { - os.Stderr.WriteString("warning: use of deprecated NewConsoleLogger\n") - return Logger{ - "stdout": &Filter{lvl, NewConsoleLogWriter()}, - } -} - -// Create a new logger with a "stdout" filter configured to send log messages at -// or above lvl to standard output. -func NewDefaultLogger(lvl Level) Logger { - return Logger{ - "stdout": &Filter{lvl, NewConsoleLogWriter()}, - } -} - -// Closes all log writers in preparation for exiting the program or a -// reconfiguration of logging. Calling this is not really imperative, unless -// you want to guarantee that all log messages are written. Close removes -// all filters (and thus all LogWriters) from the logger. -func (log Logger) Close() { - // Close all open loggers - for name, filt := range log { - filt.Close() - delete(log, name) - } -} - -// Add a new LogWriter to the Logger which will only log messages at lvl or -// higher. This function should not be called from multiple goroutines. -// Returns the logger for chaining. -func (log Logger) AddFilter(name string, lvl Level, writer LogWriter) Logger { - log[name] = &Filter{lvl, writer} - return log -} - -/******* Logging *******/ -// Send a formatted log message internally -func (log Logger) intLogf(lvl Level, format string, args ...interface{}) { - skip := true - - // Determine if any logging will be done - for _, filt := range log { - if lvl >= filt.Level { - skip = false - break - } - } - if skip { - return - } - - // Determine caller func - pc, _, lineno, ok := runtime.Caller(2) - src := "" - if ok { - src = fmt.Sprintf("%s:%d", runtime.FuncForPC(pc).Name(), lineno) - } - - msg := format - if len(args) > 0 { - msg = fmt.Sprintf(format, args...) - } - - // Make the log record - rec := &LogRecord{ - Level: lvl, - Created: time.Now(), - Source: src, - Message: msg, - } - - // Dispatch the logs - for _, filt := range log { - if lvl < filt.Level { - continue - } - filt.LogWrite(rec) - } -} - -// Send a closure log message internally -func (log Logger) intLogc(lvl Level, closure func() string) { - skip := true - - // Determine if any logging will be done - for _, filt := range log { - if lvl >= filt.Level { - skip = false - break - } - } - if skip { - return - } - - // Determine caller func - pc, _, lineno, ok := runtime.Caller(2) - src := "" - if ok { - src = fmt.Sprintf("%s:%d", runtime.FuncForPC(pc).Name(), lineno) - } - - // Make the log record - rec := &LogRecord{ - Level: lvl, - Created: time.Now(), - Source: src, - Message: closure(), - } - - // Dispatch the logs - for _, filt := range log { - if lvl < filt.Level { - continue - } - filt.LogWrite(rec) - } -} - -// Send a log message with manual level, source, and message. -func (log Logger) Log(lvl Level, source, message string) { - skip := true - - // Determine if any logging will be done - for _, filt := range log { - if lvl >= filt.Level { - skip = false - break - } - } - if skip { - return - } - - // Make the log record - rec := &LogRecord{ - Level: lvl, - Created: time.Now(), - Source: source, - Message: message, - } - - // Dispatch the logs - for _, filt := range log { - if lvl < filt.Level { - continue - } - filt.LogWrite(rec) - } -} - -// Logf logs a formatted log message at the given log level, using the caller as -// its source. -func (log Logger) Logf(lvl Level, format string, args ...interface{}) { - log.intLogf(lvl, format, args...) -} - -// Logc logs a string returned by the closure at the given log level, using the caller as -// its source. If no log message would be written, the closure is never called. -func (log Logger) Logc(lvl Level, closure func() string) { - log.intLogc(lvl, closure) -} - -// Finest logs a message at the finest log level. -// See Debug for an explanation of the arguments. -func (log Logger) Finest(arg0 interface{}, args ...interface{}) { - const ( - lvl = FINEST - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - log.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - log.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - log.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Fine logs a message at the fine log level. -// See Debug for an explanation of the arguments. -func (log Logger) Fine(arg0 interface{}, args ...interface{}) { - const ( - lvl = FINE - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - log.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - log.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - log.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Debug is a utility method for debug log messages. -// The behavior of Debug depends on the first argument: -// - arg0 is a string -// When given a string as the first argument, this behaves like Logf but with -// the DEBUG log level: the first argument is interpreted as a format for the -// latter arguments. -// - arg0 is a func()string -// When given a closure of type func()string, this logs the string returned by -// the closure iff it will be logged. The closure runs at most one time. -// - arg0 is interface{} -// When given anything else, the log message will be each of the arguments -// formatted with %v and separated by spaces (ala Sprint). -func (log Logger) Debug(arg0 interface{}, args ...interface{}) { - const ( - lvl = DEBUG - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - log.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - log.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - log.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Trace logs a message at the trace log level. -// See Debug for an explanation of the arguments. -func (log Logger) Trace(arg0 interface{}, args ...interface{}) { - const ( - lvl = TRACE - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - log.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - log.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - log.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Info logs a message at the info log level. -// See Debug for an explanation of the arguments. -func (log Logger) Info(arg0 interface{}, args ...interface{}) { - const ( - lvl = INFO - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - log.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - log.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - log.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Warn logs a message at the warning log level and returns the formatted error. -// At the warning level and higher, there is no performance benefit if the -// message is not actually logged, because all formats are processed and all -// closures are executed to format the error message. -// See Debug for further explanation of the arguments. -func (log Logger) Warn(arg0 interface{}, args ...interface{}) error { - const ( - lvl = WARNING - ) - var msg string - switch first := arg0.(type) { - case string: - // Use the string as a format string - msg = fmt.Sprintf(first, args...) - case func() string: - // Log the closure (no other arguments used) - msg = first() - default: - // Build a format string so that it will be similar to Sprint - msg = fmt.Sprintf(fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - } - log.intLogf(lvl, msg) - return errors.New(msg) -} - -// Error logs a message at the error log level and returns the formatted error, -// See Warn for an explanation of the performance and Debug for an explanation -// of the parameters. -func (log Logger) Error(arg0 interface{}, args ...interface{}) error { - const ( - lvl = ERROR - ) - var msg string - switch first := arg0.(type) { - case string: - // Use the string as a format string - msg = fmt.Sprintf(first, args...) - case func() string: - // Log the closure (no other arguments used) - msg = first() - default: - // Build a format string so that it will be similar to Sprint - msg = fmt.Sprintf(fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - } - log.intLogf(lvl, msg) - return errors.New(msg) -} - -// Critical logs a message at the critical log level and returns the formatted error, -// See Warn for an explanation of the performance and Debug for an explanation -// of the parameters. -func (log Logger) Critical(arg0 interface{}, args ...interface{}) error { - const ( - lvl = CRITICAL - ) - var msg string - switch first := arg0.(type) { - case string: - // Use the string as a format string - msg = fmt.Sprintf(first, args...) - case func() string: - // Log the closure (no other arguments used) - msg = first() - default: - // Build a format string so that it will be similar to Sprint - msg = fmt.Sprintf(fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - } - log.intLogf(lvl, msg) - return errors.New(msg) -} diff --git a/vendor/github.com/alecthomas/log4go/pattlog.go b/vendor/github.com/alecthomas/log4go/pattlog.go deleted file mode 100644 index 82b4e36b..00000000 --- a/vendor/github.com/alecthomas/log4go/pattlog.go +++ /dev/null @@ -1,126 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "bytes" - "fmt" - "io" - "strings" -) - -const ( - FORMAT_DEFAULT = "[%D %T] [%L] (%S) %M" - FORMAT_SHORT = "[%t %d] [%L] %M" - FORMAT_ABBREV = "[%L] %M" -) - -type formatCacheType struct { - LastUpdateSeconds int64 - shortTime, shortDate string - longTime, longDate string -} - -var formatCache = &formatCacheType{} - -// Known format codes: -// %T - Time (15:04:05 MST) -// %t - Time (15:04) -// %D - Date (2006/01/02) -// %d - Date (01/02/06) -// %L - Level (FNST, FINE, DEBG, TRAC, WARN, EROR, CRIT) -// %S - Source -// %M - Message -// Ignores unknown formats -// Recommended: "[%D %T] [%L] (%S) %M" -func FormatLogRecord(format string, rec *LogRecord) string { - if rec == nil { - return "<nil>" - } - if len(format) == 0 { - return "" - } - - out := bytes.NewBuffer(make([]byte, 0, 64)) - secs := rec.Created.UnixNano() / 1e9 - - cache := *formatCache - if cache.LastUpdateSeconds != secs { - month, day, year := rec.Created.Month(), rec.Created.Day(), rec.Created.Year() - hour, minute, second := rec.Created.Hour(), rec.Created.Minute(), rec.Created.Second() - zone, _ := rec.Created.Zone() - updated := &formatCacheType{ - LastUpdateSeconds: secs, - shortTime: fmt.Sprintf("%02d:%02d", hour, minute), - shortDate: fmt.Sprintf("%02d/%02d/%02d", day, month, year%100), - longTime: fmt.Sprintf("%02d:%02d:%02d %s", hour, minute, second, zone), - longDate: fmt.Sprintf("%04d/%02d/%02d", year, month, day), - } - cache = *updated - formatCache = updated - } - - // Split the string into pieces by % signs - pieces := bytes.Split([]byte(format), []byte{'%'}) - - // Iterate over the pieces, replacing known formats - for i, piece := range pieces { - if i > 0 && len(piece) > 0 { - switch piece[0] { - case 'T': - out.WriteString(cache.longTime) - case 't': - out.WriteString(cache.shortTime) - case 'D': - out.WriteString(cache.longDate) - case 'd': - out.WriteString(cache.shortDate) - case 'L': - out.WriteString(levelStrings[rec.Level]) - case 'S': - out.WriteString(rec.Source) - case 's': - slice := strings.Split(rec.Source, "/") - out.WriteString(slice[len(slice)-1]) - case 'M': - out.WriteString(rec.Message) - } - if len(piece) > 1 { - out.Write(piece[1:]) - } - } else if len(piece) > 0 { - out.Write(piece) - } - } - out.WriteByte('\n') - - return out.String() -} - -// This is the standard writer that prints to standard output. -type FormatLogWriter chan *LogRecord - -// This creates a new FormatLogWriter -func NewFormatLogWriter(out io.Writer, format string) FormatLogWriter { - records := make(FormatLogWriter, LogBufferLength) - go records.run(out, format) - return records -} - -func (w FormatLogWriter) run(out io.Writer, format string) { - for rec := range w { - fmt.Fprint(out, FormatLogRecord(format, rec)) - } -} - -// This is the FormatLogWriter's output method. This will block if the output -// buffer is full. -func (w FormatLogWriter) LogWrite(rec *LogRecord) { - w <- rec -} - -// Close stops the logger from sending messages to standard output. Attempts to -// send log messages to this logger after a Close have undefined behavior. -func (w FormatLogWriter) Close() { - close(w) -} diff --git a/vendor/github.com/alecthomas/log4go/socklog.go b/vendor/github.com/alecthomas/log4go/socklog.go deleted file mode 100644 index 1d224a99..00000000 --- a/vendor/github.com/alecthomas/log4go/socklog.go +++ /dev/null @@ -1,57 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "encoding/json" - "fmt" - "net" - "os" -) - -// This log writer sends output to a socket -type SocketLogWriter chan *LogRecord - -// This is the SocketLogWriter's output method -func (w SocketLogWriter) LogWrite(rec *LogRecord) { - w <- rec -} - -func (w SocketLogWriter) Close() { - close(w) -} - -func NewSocketLogWriter(proto, hostport string) SocketLogWriter { - sock, err := net.Dial(proto, hostport) - if err != nil { - fmt.Fprintf(os.Stderr, "NewSocketLogWriter(%q): %s\n", hostport, err) - return nil - } - - w := SocketLogWriter(make(chan *LogRecord, LogBufferLength)) - - go func() { - defer func() { - if sock != nil && proto == "tcp" { - sock.Close() - } - }() - - for rec := range w { - // Marshall into JSON - js, err := json.Marshal(rec) - if err != nil { - fmt.Fprint(os.Stderr, "SocketLogWriter(%q): %s", hostport, err) - return - } - - _, err = sock.Write(js) - if err != nil { - fmt.Fprint(os.Stderr, "SocketLogWriter(%q): %s", hostport, err) - return - } - } - }() - - return w -} diff --git a/vendor/github.com/alecthomas/log4go/termlog.go b/vendor/github.com/alecthomas/log4go/termlog.go deleted file mode 100644 index 8a941e26..00000000 --- a/vendor/github.com/alecthomas/log4go/termlog.go +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "fmt" - "io" - "os" - "time" -) - -var stdout io.Writer = os.Stdout - -// This is the standard writer that prints to standard output. -type ConsoleLogWriter struct { - format string - w chan *LogRecord -} - -// This creates a new ConsoleLogWriter -func NewConsoleLogWriter() *ConsoleLogWriter { - consoleWriter := &ConsoleLogWriter{ - format: "[%T %D] [%L] (%S) %M", - w: make(chan *LogRecord, LogBufferLength), - } - go consoleWriter.run(stdout) - return consoleWriter -} -func (c *ConsoleLogWriter) SetFormat(format string) { - c.format = format -} -func (c *ConsoleLogWriter) run(out io.Writer) { - for rec := range c.w { - fmt.Fprint(out, FormatLogRecord(c.format, rec)) - } -} - -// This is the ConsoleLogWriter's output method. This will block if the output -// buffer is full. -func (c *ConsoleLogWriter) LogWrite(rec *LogRecord) { - c.w <- rec -} - -// Close stops the logger from sending messages to standard output. Attempts to -// send log messages to this logger after a Close have undefined behavior. -func (c *ConsoleLogWriter) Close() { - close(c.w) - time.Sleep(50 * time.Millisecond) // Try to give console I/O time to complete -} diff --git a/vendor/github.com/alecthomas/log4go/wrapper.go b/vendor/github.com/alecthomas/log4go/wrapper.go deleted file mode 100644 index 2ae222b0..00000000 --- a/vendor/github.com/alecthomas/log4go/wrapper.go +++ /dev/null @@ -1,278 +0,0 @@ -// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved. - -package log4go - -import ( - "errors" - "fmt" - "os" - "strings" -) - -var ( - Global Logger -) - -func init() { - Global = NewDefaultLogger(DEBUG) -} - -// Wrapper for (*Logger).LoadConfiguration -func LoadConfiguration(filename string) { - Global.LoadConfiguration(filename) -} - -// Wrapper for (*Logger).AddFilter -func AddFilter(name string, lvl Level, writer LogWriter) { - Global.AddFilter(name, lvl, writer) -} - -// Wrapper for (*Logger).Close (closes and removes all logwriters) -func Close() { - Global.Close() -} - -func Crash(args ...interface{}) { - if len(args) > 0 { - Global.intLogf(CRITICAL, strings.Repeat(" %v", len(args))[1:], args...) - } - panic(args) -} - -// Logs the given message and crashes the program -func Crashf(format string, args ...interface{}) { - Global.intLogf(CRITICAL, format, args...) - Global.Close() // so that hopefully the messages get logged - panic(fmt.Sprintf(format, args...)) -} - -// Compatibility with `log` -func Exit(args ...interface{}) { - if len(args) > 0 { - Global.intLogf(ERROR, strings.Repeat(" %v", len(args))[1:], args...) - } - Global.Close() // so that hopefully the messages get logged - os.Exit(0) -} - -// Compatibility with `log` -func Exitf(format string, args ...interface{}) { - Global.intLogf(ERROR, format, args...) - Global.Close() // so that hopefully the messages get logged - os.Exit(0) -} - -// Compatibility with `log` -func Stderr(args ...interface{}) { - if len(args) > 0 { - Global.intLogf(ERROR, strings.Repeat(" %v", len(args))[1:], args...) - } -} - -// Compatibility with `log` -func Stderrf(format string, args ...interface{}) { - Global.intLogf(ERROR, format, args...) -} - -// Compatibility with `log` -func Stdout(args ...interface{}) { - if len(args) > 0 { - Global.intLogf(INFO, strings.Repeat(" %v", len(args))[1:], args...) - } -} - -// Compatibility with `log` -func Stdoutf(format string, args ...interface{}) { - Global.intLogf(INFO, format, args...) -} - -// Send a log message manually -// Wrapper for (*Logger).Log -func Log(lvl Level, source, message string) { - Global.Log(lvl, source, message) -} - -// Send a formatted log message easily -// Wrapper for (*Logger).Logf -func Logf(lvl Level, format string, args ...interface{}) { - Global.intLogf(lvl, format, args...) -} - -// Send a closure log message -// Wrapper for (*Logger).Logc -func Logc(lvl Level, closure func() string) { - Global.intLogc(lvl, closure) -} - -// Utility for finest log messages (see Debug() for parameter explanation) -// Wrapper for (*Logger).Finest -func Finest(arg0 interface{}, args ...interface{}) { - const ( - lvl = FINEST - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - Global.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Utility for fine log messages (see Debug() for parameter explanation) -// Wrapper for (*Logger).Fine -func Fine(arg0 interface{}, args ...interface{}) { - const ( - lvl = FINE - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - Global.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Utility for debug log messages -// When given a string as the first argument, this behaves like Logf but with the DEBUG log level (e.g. the first argument is interpreted as a format for the latter arguments) -// When given a closure of type func()string, this logs the string returned by the closure iff it will be logged. The closure runs at most one time. -// When given anything else, the log message will be each of the arguments formatted with %v and separated by spaces (ala Sprint). -// Wrapper for (*Logger).Debug -func Debug(arg0 interface{}, args ...interface{}) { - const ( - lvl = DEBUG - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - Global.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Utility for trace log messages (see Debug() for parameter explanation) -// Wrapper for (*Logger).Trace -func Trace(arg0 interface{}, args ...interface{}) { - const ( - lvl = TRACE - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - Global.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Utility for info log messages (see Debug() for parameter explanation) -// Wrapper for (*Logger).Info -func Info(arg0 interface{}, args ...interface{}) { - const ( - lvl = INFO - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - case func() string: - // Log the closure (no other arguments used) - Global.intLogc(lvl, first) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(arg0)+strings.Repeat(" %v", len(args)), args...) - } -} - -// Utility for warn log messages (returns an error for easy function returns) (see Debug() for parameter explanation) -// These functions will execute a closure exactly once, to build the error message for the return -// Wrapper for (*Logger).Warn -func Warn(arg0 interface{}, args ...interface{}) error { - const ( - lvl = WARNING - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - return errors.New(fmt.Sprintf(first, args...)) - case func() string: - // Log the closure (no other arguments used) - str := first() - Global.intLogf(lvl, "%s", str) - return errors.New(str) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) - } - return nil -} - -// Utility for error log messages (returns an error for easy function returns) (see Debug() for parameter explanation) -// These functions will execute a closure exactly once, to build the error message for the return -// Wrapper for (*Logger).Error -func Error(arg0 interface{}, args ...interface{}) error { - const ( - lvl = ERROR - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - return errors.New(fmt.Sprintf(first, args...)) - case func() string: - // Log the closure (no other arguments used) - str := first() - Global.intLogf(lvl, "%s", str) - return errors.New(str) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) - } - return nil -} - -// Utility for critical log messages (returns an error for easy function returns) (see Debug() for parameter explanation) -// These functions will execute a closure exactly once, to build the error message for the return -// Wrapper for (*Logger).Critical -func Critical(arg0 interface{}, args ...interface{}) error { - const ( - lvl = CRITICAL - ) - switch first := arg0.(type) { - case string: - // Use the string as a format string - Global.intLogf(lvl, first, args...) - return errors.New(fmt.Sprintf(first, args...)) - case func() string: - // Log the closure (no other arguments used) - str := first() - Global.intLogf(lvl, "%s", str) - return errors.New(str) - default: - // Build a format string so that it will be similar to Sprint - Global.intLogf(lvl, fmt.Sprint(first)+strings.Repeat(" %v", len(args)), args...) - return errors.New(fmt.Sprint(first) + fmt.Sprintf(strings.Repeat(" %v", len(args)), args...)) - } - return nil -} |