update demo

docs/fx_node.md

@@ -0,0 +1,6 @@
+fx support Observerity for Node/JavaScript function natively. 
+
+```
+ui: http://<host>:<port>/swagger-stats/ux
+promethus: http://<host>:<port>/swagger-stats/metrics
+```

examples/functions/demo/Makefile

@@ -0,0 +1,48 @@
+up:
+	fx up -n ping.go.0 -p 12341 --force fx.go
+	fx up -n ping.java.0 -p 12342 --force fx.java
+	fx up -n ping.js.0 -p 12343 --force fx.js 
+	fx up -n ping.pl.0 -p 12344 --force fx.pl
+	fx up -n ping.py.0 -p 12345 --force fx.py
+	fx up -n ping.rb.0 -p 12346 --force fx.rb
+	fx up -n ping.rs.0 -p 12347 --force fx.rs
+	fx up -n ping.cr.0 -p 12348 --force fx.cr
+	fx up -n ping.d.0 -p 12349 --force fx.d
+down:
+	fx down ping.go.0
+	fx down ping.java.0
+	fx down ping.js.0 
+	fx down ping.pl.0 
+	fx down ping.py.0 
+	fx down ping.rb.0 
+	fx down ping.rs.0 
+	fx down ping.cr.0 
+	fx down ping.d.0 
+l:
+	fx list
+t:
+	@curl 127.0.0.1:12341 
+	@echo ""
+	@curl 127.0.0.1:12343
+	@echo ""
+	@curl 127.0.0.1:12344
+	@echo ""
+	@curl 127.0.0.1:12345
+	@echo ""
+	@curl 127.0.0.1:12346
+	@echo ""
+	@curl 127.0.0.1:12348
+	@echo ""
+	@curl 127.0.0.1:12349
+	@echo ""
+	@curl -X POST -H 'Content-Type: application/json' 127.0.0.1:12342 -d '{"a": 1, "b": 1 }'
+	@echo ""
+	@curl -X POST -H 'Content-Type: application/json' 127.0.0.1:12347 -d '{"a": 1, "b": 2 }'
+	@echo ""
+	@curl -X POST -H 'Content-Type: application/json' 127.0.0.1:12349 -d '{"a": 1, "b": 3 }'
+	@echo ""
+b:
+	ab -n 10000 -c 10	http://127.0.0.1:12343/
+m:
+	open http://127.0.0.1:12343/swagger-stats/ux
+	open http://127.0.0.1:12343/swagger-stats/metrics

examples/functions/demo/demo.cast

@@ -0,0 +1,63 @@
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+[5.314817, "o", "\b \b"]
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+[6.82219, "o", "fg: no current job\r\n"]
+[6.822268, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[6.82273, "o", "\u001b]2;minhuang@FVFXG11WHV2J: ~/projects/fx/examples/functions/demo\u0007\u001b]1;..unctions/demo\u0007"]
+[6.963467, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;31m➜  \u001b[36mdemo\u001b[00m \u001b[01;34mgit:(\u001b[31mdemo\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[6.963641, "o", "\u001b[?1h\u001b="]
+[6.963776, "o", "\u001b[?2004h"]
+[13.288488, "o", "f"]
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+[13.511865, "o", "\u001b[?1l\u001b>"]
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+[13.745801, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;31m➜  \u001b[36mdemo\u001b[00m \u001b[01;34mgit:(\u001b[31mdemo\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[13.746011, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[13.969195, "o", "f"]
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+[14.236332, "o", "\u001b[?2004l\r\r\n"]
+[14.237195, "o", "\u001b]2;fg\u0007\u001b]1;fg\u0007"]
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+[14.237948, "o", "\u001b]2;minhuang@FVFXG11WHV2J: ~/projects/fx/examples/functions/demo\u0007\u001b]1;..unctions/demo\u0007"]
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+[14.410938, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[14.812678, "o", "e"]
+[15.058809, "o", "\bex"]
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+[15.356224, "o", "t"]
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+[15.604361, "o", "\u001b[?2004l\r\r\n"]
+[15.606869, "o", "\u001b]2;exit\u0007\u001b]1;exit\u0007"]

examples/functions/demo/fx.cr

@@ -0,0 +1,3 @@
+def fx(ctx)
+  "hello world, crystal"
+end

examples/functions/demo/fx.d

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+import std.json;
+
+long executeFx(JSONValue input)
+{
+    return input["a"].integer + input["b"].integer;
+}

examples/functions/demo/fx.go

@@ -0,0 +1,9 @@
+package main
+
+import "github.com/gin-gonic/gin"
+
+func fx(ctx *gin.Context) {
+	ctx.JSON(200, gin.H{
+		"message": "hello world, Go",
+	})
+}

examples/functions/demo/fx.java

@@ -0,0 +1,11 @@
+package fx;
+
+import org.json.JSONObject;
+
+public class Fx {
+    public int handle(JSONObject input) {
+        String a = input.get("a").toString();
+        String b = input.get("b").toString();
+        return Integer.parseInt(a) + Integer.parseInt(b);
+    }
+}

examples/functions/demo/fx.jl

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+struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end

examples/functions/demo/fx.js

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+module.exports = (ctx) => {
+  ctx.body = 'hello world, JavaScript'
+}

examples/functions/demo/fx.pl

@@ -0,0 +1,5 @@
+sub fx {
+  return 'hello world, Perl'
+}
+
+1;

examples/functions/demo/fx.py

@@ -0,0 +1,2 @@
+def fx(request):
+    return "hello world, Python"

examples/functions/demo/fx.rb

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+def fx(ctx)
+  ctx[:response].body = "hello world, Ruby"
+end

examples/functions/demo/fx.rs

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+pub mod fns {
+    #[derive(Serialize)]
+    pub struct Response {
+        pub result: i32,
+    }
+
+    #[derive(Deserialize)]
+    pub struct Request {
+        pub a: i32,
+        pub b: i32,
+    }
+
+    pub fn func(req: Request) -> Response {
+        Response {
+            result: req.a + req.b,
+        }
+    }
+}