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-rw-r--r--README.md10
-rw-r--r--build.sbt0
-rw-r--r--flow-main/src/main/scala/com/github/jodersky/flow/internal/NativeLoader.scala40
-rw-r--r--flow-samples/rwc/README (renamed from samples/rwc/README)0
-rw-r--r--flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala (renamed from samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala)0
-rw-r--r--flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala (renamed from samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala)0
-rw-r--r--project/Build.scala41
-rw-r--r--project/Dependencies.scala5
-rw-r--r--project/Jni.scala5
-rw-r--r--samples/arduino/README1
10 files changed, 63 insertions, 39 deletions
diff --git a/README.md b/README.md
index 8897e00..bf71cc8 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,16 @@ To see an example, switch to project 'flow-rwc' and then type 'run'. Don't forge
The build currently only works on Linux.
+### Project structure
+flow
+├── flow-main //main scala/java sources
+├── flow-native //native sources
+│   ├── include //general headers
+│   └── unix //source code for unix-like systems
+├── flow-samples
+├── project
+└── README.md
+
## License
Copyright (c) 2013 by Jakob Odersky
diff --git a/build.sbt b/build.sbt
deleted file mode 100644
index e69de29..0000000
--- a/build.sbt
+++ /dev/null
diff --git a/flow-main/src/main/scala/com/github/jodersky/flow/internal/NativeLoader.scala b/flow-main/src/main/scala/com/github/jodersky/flow/internal/NativeLoader.scala
index aebbe3f..23314f1 100644
--- a/flow-main/src/main/scala/com/github/jodersky/flow/internal/NativeLoader.scala
+++ b/flow-main/src/main/scala/com/github/jodersky/flow/internal/NativeLoader.scala
@@ -2,35 +2,37 @@ package com.github.jodersky.flow.internal
import java.io.File
import java.io.FileOutputStream
+import scalax.file.Path
+import scalax.io.Resource
+import scala.util.Try
/**Loads the current system's native library for flow. */
object NativeLoader {
- def load = {
+ def extract(): Option[File] = {
val os = System.getProperty("os.name").toLowerCase
val arch = System.getProperty("os.arch").toLowerCase
+ val fqlib = System.mapLibraryName("flow") //fully qualified library name
- val in = NativeLoader.getClass().getResourceAsStream("/native/" + os + "/" + arch + "/" + "libflow.so")
- val temp = File.createTempFile("flow" + os + arch, ".so");
- temp.deleteOnExit()
- val out = new FileOutputStream(temp);
+ val in = NativeLoader.getClass().getResourceAsStream(s"/native/${os}/${arch}/${fqlib}")
+ if (in == null) return None
- try {
- var read: Int = 0; ;
- val buffer = new Array[Byte](4096);
- do {
- read = in.read(buffer)
- if (read != -1) {
- out.write(buffer, 0, read);
- }
- } while (read != -1)
- } finally {
- in.close()
- out.close
- }
+ val temp = Path.createTempFile()
+ Resource.fromInputStream(in).copyDataTo(temp)
+ temp.fileOption
+ }
- System.load(temp.getAbsolutePath())
+ def loadFromJar() = extract() match {
+ case Some(file) => System.load(file.getAbsolutePath)
+ case None => throw new UnsatisfiedLinkError("cannot extract native library, the native library may not exist for your specific system/architecture combination")
+ }
+ def load = {
+ try {
+ System.loadLibrary("flow")
+ } catch {
+ case ex: UnsatisfiedLinkError => loadFromJar()
+ }
}
} \ No newline at end of file
diff --git a/samples/rwc/README b/flow-samples/rwc/README
index 843e38d..843e38d 100644
--- a/samples/rwc/README
+++ b/flow-samples/rwc/README
diff --git a/samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala b/flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala
index 518efc2..518efc2 100644
--- a/samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala
+++ b/flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/Main.scala
diff --git a/samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala b/flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala
index e616763..e616763 100644
--- a/samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala
+++ b/flow-samples/rwc/src/main/scala/com/github/jodersky/flow/example/SerialHandler.scala
diff --git a/project/Build.scala b/project/Build.scala
index c08e766..55002d4 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -9,7 +9,7 @@ import Jni._
object FlowBuild extends Build {
val Organization = "com.github.jodersky"
val Version = "1.0-SNAPSHOT" //version of flow library
- val BinaryMajorVersion = 1 //binary major (api-level) version used to select so's and dlls when publishing
+ val BinaryMajorVersion = 1 //binary major version used to select so's and dlls when publishing (needs to be incremented if API changes are made to flow.h or NativeSerial.java)
val ScalaVersion = "2.10.1"
lazy val commonSettings: Seq[Setting[_]] = Seq(
@@ -22,32 +22,43 @@ object FlowBuild extends Build {
lazy val runSettings: Seq[Setting[_]] = Seq(
fork := true,
connectInput in run := true)
+
lazy val main: Project = (
Project("flow-main", file("flow-main"))
settings (commonSettings: _*)
settings (
- libraryDependencies += Dependencies.akka,
- compileOrder in Compile := CompileOrder.Mixed
+ libraryDependencies ++= Seq(
+ Dependencies.akkaActor,
+ Dependencies.ioCore,
+ Dependencies.ioFile),
+ compileOrder in Compile := CompileOrder.Mixed,
+ resourceGenerators in Compile <+= (resourceManaged in Compile, link in Native in LocalProject("flow-native-linux")) map { (resDir, binary) =>
+ val file = resDir / "native" / sys.props("os.name").toLowerCase / sys.props("os.arch").toLowerCase / binary.getName
+ IO.copyFile(binary, file)
+ Seq(file)
+ }
)
)
- lazy val samples = (
- Project("flow-samples-rwc", file("samples") / "rwc")
+ lazy val rwc = (
+ Project("flow-samples-rwc", file("flow-samples") / "rwc")
settings(commonSettings: _*)
settings(runSettings: _*)
dependsOn(main)
)
-
- //---native projects --------------------------------------------------
+
+ //--- native settings --------------------------------------------------
lazy val commonNativeSettings: Seq[Setting[_]] = Seq(
includeDirectories in Native += file("flow-native") / "include",
+ nativeCompile in Native := ((nativeCompile in Native) dependsOn (compile in Compile in main)).value,
+ javahClasspath := Seq((classDirectory in Compile in main).value),
javahClasses := Seq("com.github.jodersky.flow.internal.NativeSerial")) ++ Jni.defaultSettings
- //---native unix like settings ----------------------------------------
+ //--- native unix like settings ----------------------------------------
val UnixBinaryName = "flow"
val UnixBinaryMinorVersion = 0
@@ -55,18 +66,20 @@ object FlowBuild extends Build {
lazy val unixNativeSettings: Seq[Setting[_]] = commonNativeSettings ++ Seq(
flags in Native := Seq("-fPIC", "-O2"),
linkFlags in Native ++= Seq("-shared", s"-Wl,-soname,lib${UnixBinaryName}.so.${BinaryMajorVersion}"),
- binaryName in Native := s"lib${UnixBinaryName}.so.${BinaryMajorVersion}.${UnixBinaryMinorVersion}")
+ binaryName in Native := s"lib${UnixBinaryName}.so.${BinaryMajorVersion}.${UnixBinaryMinorVersion}",
+ version := s"${BinaryMajorVersion}.${UnixBinaryMinorVersion}-${sys.props("os.name").toLowerCase}-${sys.props("os.arch").toLowerCase}",
+ nativeSource in Native := baseDirectory.value / "src")
lazy val nativeLinux = (
NativeProject("flow-native-linux", file("flow-native") / "unix")
settings (unixNativeSettings: _*)
settings (
- nativeSource in Native := baseDirectory.value / "src",
includeDirectories in Native += jdkHome.value / "include" / "linux"
)
dependsOn (main)
)
-
+
+
/*
Seq(
libraryDependencies ++= Dependencies.all,
@@ -76,11 +89,7 @@ object FlowBuild extends Build {
binaryName in Native := "flow",
options in Native := Seq("-fPIC", "-O2"),
linkOptions in Native := Seq("-Wl,-soname,libflow.so.1"),
- resourceGenerators in Compile <+= (resourceManaged in Compile, link in Native) map { (resDir, binary) =>
- val file = resDir / "native" / sys.props("os.name").toLowerCase / sys.props("os.arch").toLowerCase / binary.getName
- IO.copyFile(binary, file)
- Seq(file)
- }
+
) ++ Jni.defaultSettings
*
*/
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index a705cf3..aa3aa36 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -2,6 +2,9 @@ import sbt._
object Dependencies {
- lazy val akka = "com.typesafe.akka" %% "akka-actor" % "2.2-M3"
+ lazy val akkaActor = "com.typesafe.akka" %% "akka-actor" % "2.2-M3"
+
+ lazy val ioCore = "com.github.scala-incubator.io" %% "scala-io-core" % "0.4.2"
+ lazy val ioFile = "com.github.scala-incubator.io" %% "scala-io-file" % "0.4.2"
} \ No newline at end of file
diff --git a/project/Jni.scala b/project/Jni.scala
index d597269..db345e2 100644
--- a/project/Jni.scala
+++ b/project/Jni.scala
@@ -6,18 +6,19 @@ object Jni {
val jdkHome = settingKey[File]("Home of JDK.")
val javahHeaderDirectory = settingKey[File]("Directory where generated javah header files are placed.")
val javahClasses = settingKey[Seq[String]]("Fully qualified names of classes containing native declarations.")
+ val javahClasspath = taskKey[Seq[File]]("Classpath to use in javah.")
val javah = taskKey[Seq[File]]("Generate JNI headers.")
val defaultSettings: Seq[Setting[_]] = Seq(
jdkHome := file(sys.env("JAVA_HOME")),
javahHeaderDirectory := (sourceManaged in Native).value / "javah",
- javah := javahImpl.value,
+ javah := javahImpl.value,
sourceGenerators in Native <+= javah map { headers => headers},
includeDirectories in Native += javahHeaderDirectory.value,
includeDirectories in Native += jdkHome.value / "include")
def javahImpl = Def.task {
- val cps = (internalDependencyClasspath in Compile).value.map(_.data).map(_.getAbsolutePath)
+ val cps = javahClasspath.value
val cp = cps.mkString(":")
for (clazz <- javahClasses.value) {
val parts = Seq(
diff --git a/samples/arduino/README b/samples/arduino/README
deleted file mode 100644
index 64c8a5c..0000000
--- a/samples/arduino/README
+++ /dev/null
@@ -1 +0,0 @@
-Code to run on an arduino for serial communication testing.