Fix backoff inconsistency, error pages, minimal API, keepalive configurable,...

.gitignore

@@ -2,26 +2,219 @@
 .tunnel/
 build/
 
-### Go
-*.cov
-*.prof
-*.mprof
-
-### IntelliJ
-.idea/
-*.iml
-
-### Vim
-# swap
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
-# session
+
+# Created by https://www.toptal.com/developers/gitignore/api/go,vim,intellij,visualstudiocode,macos,windows
+# Edit at https://www.toptal.com/developers/gitignore?templates=go,vim,intellij,visualstudiocode,macos,windows
+
+### Go ###
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Vim ###
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
 Session.vim
-# temporary
+Sessionx.vim
+
+# Temporary
 .netrwhist
 *~
-# auto-generated tag files
+# Auto-generated tag files
 tags
+# Persistent undo
+[._]*.un~
 
-### Mac
-.DS_Store
+### VisualStudioCode ###
+.vscode/*
+!.vscode/tasks.json
+!.vscode/launch.json
+*.code-workspace
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+.ionide
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/go,vim,intellij,visualstudiocode,macos,windows

Makefile

@@ -1,6 +1,6 @@
 
 GO_FILES := $(shell \
-	find . '(' -path '*/.*' -o -path './vendor' ')' -prune \
+	find . '(' -path '*/.*' -o -path './vendor' -o -path './src' ')' -prune \
 	-o -name '*.go' -print | cut -b3-)
 
 LINT_IGNORE := "/id/\|/tunnelmock/\|/vendor/"
@@ -51,7 +51,7 @@ check: .check-fmt .check-vet .check-lint .check-ineffassign .check-static .check
 
 .PHONY: .check-vendor
 .check-vendor:
-	@dep ensure -no-vendor -dry-run
+	@go mod vendor
 
 .PHONY: test
 test:
@@ -61,12 +61,11 @@ test:
 .PHONY: get-deps
 get-deps:
 	@echo "==> Installing dependencies..."
-	@dep ensure
+	@go mod init
 
 .PHONY: get-tools
 get-tools:
 	@echo "==> Installing tools..."
-	@go get -u github.com/golang/dep/cmd/dep
 	@go get -u golang.org/x/lint/golint
 	@go get -u github.com/golang/mock/gomock
 
@@ -82,22 +81,25 @@ ARCH = "386 amd64 arm"
 OSARCH = "!darwin/386 !darwin/arm !windows/arm"
 GIT_COMMIT = $(shell git describe --always)
 
+.PHONY: release_fast
+release_fast: check clean build package
+
 .PHONY: release
 release: check test clean build package
 
 .PHONY: build
 build:
-	mkdir ${OUTPUT_DIR}
+	mkdir -p ${OUTPUT_DIR}
 	CGO_ENABLED=0 GOARM=5 gox -ldflags "-w -X main.version=$(GIT_COMMIT)" \
-	-os=${OS} -arch=${ARCH} -osarch=${OSARCH} -output "${OUTPUT_DIR}/pkg/{{.OS}}_{{.Arch}}/{{.Dir}}" \
+	-mod=vendor -os=${OS} -arch=${ARCH} -osarch=${OSARCH} -output "${OUTPUT_DIR}/pkg/{{.OS}}_{{.Arch}}/{{.Dir}}" \
 	./cmd/tunnel ./cmd/tunneld
 
 .PHONY: package
 package:
-	mkdir ${OUTPUT_DIR}/dist
+	mkdir -p ${OUTPUT_DIR}/dist
 	cd ${OUTPUT_DIR}/pkg/; for osarch in *; do (cd $$osarch; tar zcvf ../../dist/tunnel_$$osarch.tar.gz ./*); done;
 	cd ${OUTPUT_DIR}/dist; sha256sum * > ./SHA256SUMS
 
 .PHONY: publish
 publish:
-	ghr -recreate -u mmatczuk -t ${GITHUB_TOKEN} -r go-http-tunnel pre-release ${OUTPUT_DIR}/dist
+	ghr -recreate -u hons82 -t ${GITHUB_TOKEN} -r go-http-tunnel pre-release ${OUTPUT_DIR}/dist