golang/sudoku-funpark
golang/sudoku-funpark
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Allow to set verbosity of output (Closes #26)

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This commit is contained in:
Sacha Ligthert 2025-01-28 21:02:12 +01:00
parent 2bdcdcb1dd
commit cced4f04b2
14 changed files with 89 additions and 33 deletions
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6
controller/types.go
View File

@ -1,5 +1,7 @@
package controller
import "gitea.ligthert.net/golang/sudoku-funpark/outputter"
// Simple interface to store values shared amongst packages.
type Controller struct {
// All possible blocks/rows available
@ -32,4 +34,8 @@ type Controller struct {
Part int
// Type of output requested
Output string
// Select printing method
Print string
// Outputter package
Outputter *outputter.Outputter
}

5
export/renderJSON.go
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@ -2,7 +2,6 @@ package export
import (
"encoding/json"
"log"
)
// Render JSON output.
@ -27,8 +26,8 @@ func (export *Export) renderJSON() (render string) {
}
renderBytes, err := json.Marshal(solutions)
if err != nil {
log.Println("ERROR: json.Marshal error:", err)
log.Println("Printing solution as-is:", solutions)
export.Controller.Outputter.Println("ERROR: json.Marshal error:", err)
export.Controller.Outputter.Println("Printing solution as-is:", solutions)
return ""
}
render = string(renderBytes)

21
flags/ParseFlags.go
View File

@ -2,7 +2,7 @@ package flags
import (
"flag"
"log"
"fmt"
"os"
"runtime"
"strings"
@ -25,13 +25,14 @@ func (flags *Flags) ParseFlags() {
flag.IntVar(&flags.Controller.Split, "split", 1, "Split the tasks in n parts. This depends on the availability of the first row.")
flag.IntVar(&flags.Controller.Part, "part", 1, "Process part x in n parts. Cannot be lower than 1, or higher than specified in split.")
flag.StringVar(&flags.Controller.Output, "output", "human", "Type of output. 'human' for human readable. 'flat' for flat as stored in memory output. 'json' for JSON output.")
flag.StringVar(&flags.Controller.Print, "print", "short", "'short': normal output;'long': normal output with timestamps; 'silent': Only print the results;")
// Parse the flags
flag.Parse()
// Process any changes to the CPU usage.
if flags.Controller.NumCPUs <= 0 {
log.Printf("ERROR: Number of CPU cores must be 1 or higher.\n\n")
fmt.Printf("ERROR: Number of CPU cores must be 1 or higher.\n\n")
flags.printUsage()
os.Exit(1)
}
@ -42,7 +43,7 @@ func (flags *Flags) ParseFlags() {
// Process rows
if flags.Controller.Row1 == "000000000" || flags.Controller.Row2 == "000000000" || flags.Controller.Row3 == "000000000" || flags.Controller.Row4 == "000000000" || flags.Controller.Row5 == "000000000" || flags.Controller.Row6 == "000000000" || flags.Controller.Row7 == "000000000" || flags.Controller.Row8 == "000000000" || flags.Controller.Row9 == "000000000" {
log.Printf("ERROR: All parameters must be entered.\n\n")
fmt.Printf("ERROR: All parameters must be entered.\n\n")
flags.printUsage()
os.Exit(1)
}
@ -61,14 +62,14 @@ func (flags *Flags) ParseFlags() {
// Process workload splitting
// Ensure split and part are 1 or higher
if flags.Controller.Split <= 0 || flags.Controller.Part <= 0 {
log.Printf("ERROR: '-split' and '-part' need to be 1 or higher.\n")
fmt.Printf("ERROR: '-split' and '-part' need to be 1 or higher.\n")
flags.printUsage()
os.Exit(1)
}
// Ensure part is between 1 and split
if flags.Controller.Part > flags.Controller.Split {
log.Printf("ERROR: '-part' cannot be bigger than `-split`.\n")
fmt.Printf("ERROR: '-part' cannot be bigger than `-split`.\n")
flags.printUsage()
os.Exit(1)
}
@ -76,7 +77,15 @@ func (flags *Flags) ParseFlags() {
// Process output selection
flags.Controller.Output = strings.ToLower(flags.Controller.Output)
if flags.Controller.Output != "human" && flags.Controller.Output != "flat" && flags.Controller.Output != "json" {
log.Printf("ERROR: Invalid output, can only be 'human' or 'flat'.\n")
fmt.Printf("ERROR: Invalid output, can only be 'human' or 'flat' or 'json'.\n")
flags.printUsage()
os.Exit(1)
}
// Process print selection
flags.Controller.Print = strings.ToLower(flags.Controller.Print)
if flags.Controller.Print != "short" && flags.Controller.Print != "long" && flags.Controller.Print != "silent" {
fmt.Printf("ERROR: Invalid Print, can only be 'short' or 'long' or 'silent'.\n")
flags.printUsage()
os.Exit(1)
}

8
flags/validateRow.go
View File

@ -1,7 +1,7 @@
package flags
import (
"log"
"fmt"
"os"
)
@ -18,7 +18,7 @@ func (flags *Flags) validateRow(name string, row string) {
// 1. Make sure the row is 9 in length
if len(row) != 9 {
log.Printf("ERROR: Invalid length of %s (%s), must be 9 numbers\n\n", name, row)
fmt.Printf("ERROR: Invalid length of %s (%s), must be 9 numbers\n\n", name, row)
flags.printUsage()
os.Exit(1)
}
@ -29,7 +29,7 @@ func (flags *Flags) validateRow(name string, row string) {
}
if !found {
log.Printf("ERROR: Invalid character of %s (%s), must be 9 numbers\n\n", name, row)
fmt.Printf("ERROR: Invalid character of %s (%s), must be 9 numbers\n\n", name, row)
flags.printUsage()
os.Exit(1)
}
@ -46,7 +46,7 @@ func (flags *Flags) validateRow(name string, row string) {
}
if double {
log.Printf("ERROR: Double character of %s (%s), numbers between 1 and 9 may only be entered once\n\n", name, row)
fmt.Printf("ERROR: Double character of %s (%s), numbers between 1 and 9 may only be entered once\n\n", name, row)
flags.printUsage()
os.Exit(1)
}

15
main.go
View File

@ -1,29 +1,34 @@
package main
import (
"log"
"fmt"
"runtime"
"strconv"
"gitea.ligthert.net/golang/sudoku-funpark/controller"
"gitea.ligthert.net/golang/sudoku-funpark/export"
"gitea.ligthert.net/golang/sudoku-funpark/flags"
"gitea.ligthert.net/golang/sudoku-funpark/outputter"
"gitea.ligthert.net/golang/sudoku-funpark/solver"
)
func main() {
// Instantiate the interfaces
controller := controller.Controller{}
outp := outputter.Outputter{}
export := export.Export{Controller: &controller}
flags := flags.Flags{Controller: &controller}
solver := solver.Solver{Controller: &controller}
solver := solver.Solver{Controller: &controller, Outp: &outp}
// Parse and handle flags
flags.ParseFlags()
// Tell outp what kind of output is expected.
outp.OutputType = controller.Print
// Report number of CPUs being used, if set.
if runtime.NumCPU() != controller.NumCPUs {
log.Println("Using " + strconv.Itoa(controller.NumCPUs) + " CPUs, (was " + strconv.Itoa(runtime.NumCPU()) + ")")
outp.Println("Using " + strconv.Itoa(controller.NumCPUs) + " CPUs, (was " + strconv.Itoa(runtime.NumCPU()) + ")")
}
// Load blocks from CSV file
@ -39,12 +44,12 @@ func main() {
}
// Print the total number of solutions to validate
log.Println("Number of (potential) solutions:", solver.Iter)
outp.Println("Number of (potential) solutions:", solver.Iter)
// Check the number of solutions
go solver.CheckCombinations()
solver.Tracker()
log.Println(export.Export())
fmt.Println(export.Export())
}

17
outputter/Printf.go Normal file
View File

@ -0,0 +1,17 @@
package outputter
import (
"fmt"
"log"
)
func (outputter *Outputter) Printf(format string, args ...any) {
switch outputter.OutputType {
case "short":
fmt.Printf(format, args...)
case "long":
log.Printf(format, args...)
case "silent":
// Do nothing
}
}

17
outputter/Println.go Normal file
View File

@ -0,0 +1,17 @@
package outputter
import (
"fmt"
"log"
)
func (outputter *Outputter) Println(msg ...any) {
switch outputter.OutputType {
case "short":
fmt.Println(msg...)
case "long":
log.Println(msg...)
case "silent":
// Do nothing
}
}

5
outputter/types.go Normal file
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@ -0,0 +1,5 @@
package outputter
type Outputter struct {
OutputType string
}

5
solver/LoadBlocks.go
View File

@ -2,7 +2,6 @@ package solver
import (
"embed"
"log"
"strings"
"time"
)
@ -15,8 +14,8 @@ var f embed.FS
// Load all possible blocks from CSV in to memory
func (solver *Solver) LoadBlocks() {
defer solver.timeTrack(time.Now(), "Loaded blocks")
log.Println("Loading blocks")
defer solver.timeTrack(time.Now(), "Done!")
solver.Outp.Printf("Loading blocks... ")
var blocks []string

5
solver/PopulateBlocks.go
View File

@ -1,15 +1,14 @@
package solver
import (
"log"
"time"
)
// Find all possible blocks that can be used to find a solution.
func (solver *Solver) PopulateBlocks() {
defer solver.timeTrack(time.Now(), "Populated blocks")
log.Println("Populating blocks")
defer solver.timeTrack(time.Now(), "Done!")
solver.Outp.Printf("Populating blocks... ")
solver.findBlocks(&solver.Controller.Row1, &solver.row1s)
solver.findBlocks(&solver.Controller.Row2, &solver.row2s)

7
solver/SelectWorkload.go
View File

@ -1,7 +1,6 @@
package solver
import (
"log"
"os"
"strconv"
"time"
@ -12,12 +11,12 @@ import (
// Modify solver.row1s so it limits the workload to what is only desired
func (solver *Solver) SelectWorkload() {
if solver.Controller.Split > len(solver.row1s) {
log.Println("ERROR: Unable to divide the workload in " + strconv.Itoa(solver.Controller.Split) + " parts, when only " + strconv.Itoa(len(solver.row1s)) + " are available.\n\n")
solver.Outp.Println("ERROR: Unable to divide the workload in " + strconv.Itoa(solver.Controller.Split) + " parts, when only " + strconv.Itoa(len(solver.row1s)) + " are available.\n\n")
os.Exit(1)
}
defer solver.timeTrack(time.Now(), "Workload set")
log.Println("Setting workload")
log.Println("We are agent " + strconv.Itoa(solver.Controller.Part) + " of " + strconv.Itoa(solver.Controller.Split))
solver.Outp.Println("Setting workload")
solver.Outp.Println("We are agent " + strconv.Itoa(solver.Controller.Part) + " of " + strconv.Itoa(solver.Controller.Split))
workloads := solver.splitWorkload()
solver.setWorkload(workloads)
}

5
solver/Tracker.go
View File

@ -1,7 +1,6 @@
package solver
import (
"log"
"strconv"
"time"
)
@ -12,7 +11,7 @@ func (solver *Solver) Tracker() {
// Add time tracking
defer solver.timeTrack(time.Now(), "Validated solutions")
log.Println("Validating solutions")
solver.Outp.Println("Validating solutions")
// Determine if the main-loop is done
var done bool
@ -73,7 +72,7 @@ func (solver *Solver) Tracker() {
}
// Printing the progress
log.Println("Processing: " + strconv.Itoa(int(percentage)) + "% (" + strconv.FormatUint(solver.counter.Load(), 10) + "/" + strconv.Itoa(int(solver.Iter)) + "); Rate: " + strconv.FormatUint(rateDiff, 10) + "/sec for " + timer_elapsed.String() + "; Time left (est.): " + est_fin)
solver.Outp.Println("Processing: " + strconv.Itoa(int(percentage)) + "% (" + strconv.FormatUint(solver.counter.Load(), 10) + "/" + strconv.Itoa(int(solver.Iter)) + "); Rate: " + strconv.FormatUint(rateDiff, 10) + "/sec for " + timer_elapsed.String() + "; Time left (est.): " + est_fin)
// After we are done printing, exit this for-loop
if percentage == 100 {

3
solver/timeTrack.go
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@ -1,7 +1,6 @@
package solver
import (
"log"
"time"
)
@ -9,5 +8,5 @@ import (
// Use with `defer`
func (solver *Solver) timeTrack(start time.Time, msg string) {
elapsed := time.Since(start)
log.Printf("%s (%s)", msg, elapsed)
solver.Outp.Printf("%s (%s)\n", msg, elapsed)
}

3
solver/types.go
View File

@ -4,6 +4,7 @@ import (
"sync/atomic"
"gitea.ligthert.net/golang/sudoku-funpark/controller"
"gitea.ligthert.net/golang/sudoku-funpark/outputter"
)
// Solve a given Sudoku puzzle by iterating through all possible solutions.
@ -33,4 +34,6 @@ type Solver struct {
counter atomic.Uint64
// Slice of rates for accurate duration estimation.
rates []uint64
// Reference to Outputter interface
Outp *outputter.Outputter
}