Building openvpn3 C++ library with Java bindings on Windows

openvpn3-swig-java.ps1

choco install -y git python2 vcbuildtools jdk8 swig
$baseDir="C:\work\openvpn3lib\dep"

Write-Host "Preparing base dir $baseDir"
New-Item -Force "$baseDir\deps" -ItemType Directory
Set-Location "$baseDir"

Write-Host "Downloading dependencies..."
git clone https://github.com/OpenVPN/openvpn3.git openvpn3
git clone https://github.com/OpenVPN/tap-windows.git
$(New-Object net.webclient).DownloadFile("https://github.com/chriskohlhoff/asio/archive/master.zip", "$baseDir/deps/asio-master.zip")
$(New-Object net.webclient).DownloadFile("https://github.com/lz4/lz4/archive/master.zip", "$baseDir/deps/lz4-master.zip")
$(New-Object net.webclient).DownloadFile("https://github.com/ARMmbed/mbedtls/archive/master.zip", "$baseDir/deps/mbedtls-master.zip")

$baseDirEscaped=$baseDir.Replace("\", "\\")
Write-Host "Writing parms_local.py using escaped base dir $baseDirEscaped"

Set-Location "$baseDir\openvpn3\win"
@"
PARMS = {
    "OVPN3" : "$baseDirEscaped\\openvpn3",
    "TAP" : "$baseDirEscaped\\tap-windows",
    "DEP" : "$baseDirEscaped\\deps",
    "BUILD" : "$baseDirEscaped\\build",
    "LIB_VERSIONS" : {
        "asio" : "asio-master"
    },
    "GTEST_ROOT": "$baseDirEscaped\\googletest"
}
"@ | Out-File -encoding ascii .\parms_local.py
Write-Host "Building dependencies..."
python .\buildep.py

Write-Host "Patching ovpncli.i with proper paths..."
Set-Location "$baseDir\openvpn3\javacli"
Get-Content .\ovpncli.i | %{$_ -replace '"ovpncli.hpp"', '"client/ovpncli.hpp"'} | Out-File -encoding ascii .\ovpncli-fix.i
Move-Item -Force .\ovpncli-fix.i .\ovpncli.i

Write-Host "Creating Java bindings with SWIG tool..."
Set-Location "$baseDir\openvpn3"
# C:\work\swigwin-3.0.12\swig.exe -c++ -java .\javacli\ovpncli.i
swig -c++ -java .\javacli\ovpncli.i

Write-Host "Loading MSVC C++ build toolkit environment variables in current shell..."
cmd /c @"
call "%VS140COMNTOOLS%..\..\VC\vcvarsall.bat" amd64 && set
"@ | Select-String '^([^=]+)=(.*)' | % { $_.Matches } | % { $("`${Env:$($_.Groups[1].Value)}=`"$($_.Groups[2].Value)`"") } > vsenv.ps1

. .\vsenv.ps1

Write-Host "Setting VC++ project environment variables..."
${Env:OVPN3_CORE}="$baseDir\openvpn3"
${Env:OVPN3_TAP_WINDOWS}="$baseDir\tap-windows"
${Env:OVPN3_BUILD}="$baseDir\build"
# msbuild ovpn3-core.sln -t:cli /p:Configuration=Release;Platform=x64

Write-Host "Building openvpn3 shared library ovpncli_wrap.dll"
cl /LD /DSWIGJAVA /D_WIN32_WINNT=0x0600 /DNOMINMAX /D_CRT_SECURE_NO_WARNINGS `
    /DUSE_ASIO /DASIO_STANDALONE /DASIO_NO_DEPRECATED /I "${Env:OVPN3_BUILD}\amd64\asio\asio\include" `
    /DUSE_MBEDTLS /I "${Env:OVPN3_BUILD}\amd64\mbedtls\include" `
    /DHAVE_LZ4 /I "${Env:OVPN3_BUILD}\amd64\lz4\lib" `
    -DTAP_WIN_COMPONENT_ID=tap0901 /I "${Env:OVPN3_TAP_WINDOWS}\src" `
    /I "C:\Program Files\Java\jdk1.8.0_152\include" /I "C:\Program Files\Java\jdk1.8.0_152\include\win32" `
    /I "${Env:OVPN3_CORE}" /GL /EHsc /MT /W0 /O2 /nologo `
    javacli\ovpncli_wrap.cxx client\ovpncli.cpp `
    /link kernel32.lib advapi32.lib iphlpapi.lib ole32.lib shell32.lib fwpuclnt.lib rpcrt4.lib `
    "${Env:OVPN3_BUILD}\amd64\mbedtls\library\mbedtls.lib" `
    "${Env:OVPN3_BUILD}\amd64\lz4\lib\lz4.lib"

New-Item -Force "$baseDir\dist" -ItemType Directory
$(cmd /c dir /b /s javacli\ovpncli_* javacli\ovpncli*.java javacli\ClientAPI_*.java javacli\SWIGTYPE_*.java) | % { Copy $_ "$baseDir\dist\" -Force }

Write-Host "Here are resulting files:"
cmd /c dir /b /s "$baseDir\dist"

Add-Type -assembly "System.Io.Compression.Filesystem"
[Io.Compression.ZipFile]::CreateFromDirectory("$baseDir\dist", "$baseDir\openvpn3-jni-windows.zip")