1 files changed, 103 insertions, 0 deletions
diff --git a/src/NeoRuntimeManager/RuntimeProcess.js b/src/NeoRuntimeManager/RuntimeProcess.js
new file mode 100644
index 0000000..c5c4749
--- /dev/null
+++ b/src/NeoRuntimeManager/RuntimeProcess.js
@@ -0,0 +1,103 @@
+let fs = require("fs-extra");
+let spawn = require("child_process");
+
+class RuntimeProcess {
+
+    constructor(_modePath, _eventEmitter) {
+        this.modePath = _modePath;
+        this.logfile = `${this.modePath}/mode.log`;
+        this.errfile = `${this.modePath}/mode.error`;
+
+        this.stdout = "";
+        this.stderr = "";
+
+        this.fl = false;
+        this.proc = null;
+
+        this.isRunning = false;
+        this.exitCode = null;
+
+        this.eventEmitter = _eventEmitter;
+    }
+
+    start() {
+        if (this.isRunning) {
+            console.log("PROCESS ALREADY RUNNING");
+            return;
+        }
+        this.isRunning = true;
+        this.proc = spawn.spawn(
+            `${__appdir}/NeoRuntime/Runtime/venv/bin/python`,
+            //"python",
+            [
+                "-u", // This makes us able to get real-time output
+                `${__appdir}/NeoRuntime/Runtime/neo_runtime.py`,
+                `--strip-config="${__configdir}/strip.ini"`,
+                `--mode-path="${this.modePath}"`,
+                `--mode-entry=script`
+            ]
+        );
+
+        this.proc.on('error', (err) => {
+            console.log(err);
+        });
+
+        fs.ensureFileSync(this.logfile);
+        fs.ensureFileSync(this.errfile);
+        this.eventEmitter.emit("proc:start");
+
+        this.proc.stdout.on('data', (_stdout) => {
+            let stdout_str = _stdout.toString();
+            fs.appendFile(this.logfile, `[${timestamp()}]: ` + stdout_str);
+            this.eventEmitter.emit("proc:stdout", stdout_str);
+        });
+
+        this.proc.stdout.on('end', () => {
+            fs.appendFile(this.logfile, "\n");
+        });
+
+        this.proc.stderr.on('data', (_stderr) => {
+            let stderr_str =  _stderr.toString();
+            fs.appendFile(this.errfile, `[${timestamp()}]: ` + stderr_str);
+            this.eventEmitter.emit("proc:stderr", stderr_str);
+        });
+
+        this.proc.stderr.on('end', () => {
+            fs.appendFile(this.logfile, "\n");
+        });
+
+        this.proc.on('close', (code) => {
+            if (code) {
+                fs.appendFile(this.logfile, `[${timestamp()}]: ` + "Script exited with code " +  code.toString());
+            }
+            this.eventEmitter.emit("proc:exit", 0);
+            this.isRunning = false;
+            this.exitCode = code;
+        });
+
+    }
+
+    stop(restart=false) {
+        try {
+            if (restart) {
+                this.proc.once("close", () => {
+                    setTimeout(() =>  this.start(), 500);
+                });
+            }
+            this.proc.kill("SIGINT");
+        } catch (err) {
+            console.log(err);
+        }
+    }
+}
+
+/**
+ * Creates and returns a timestamp that can be used in logfiles.
+ *
+ * @return {string} timestamp
+ */
+function timestamp() {
+    return (new Date()).toISOString();
+}
+
+module.exports = RuntimeProcess;