Test QuickGV

See: https://graphviz.gitlab.io/_pages/pdf/dotguide.pdf

WebSocket Service

Error: : syntax error in line 56 near '.'

digraph 123 {

	// options
	// theme = warm
	// usage = 

	// default settings of graphs
	graph [
		rankdir   = LR,
		color     = "#804000",
		bgcolor   = "#fffff7",
		fontcolor = "#000000",
		fontsize  = 12,
		style     = dashed,
		gradientangle = 65,

				splines = ortho,
		
		
			];

	// default settings of nodes
	node [
				shape = box,
		style = "filled,rounded",
		
		height    = 0.3,
		fontsize  = 10,
		
		// theme
		color     = "#c07000",
		fontcolor = "#000000",
		fillcolor = "#ffffff:#ffffc0",
		gradientangle = 295 // left, top -> right, bottom
	];

	// default settings of edges
	edge [
		color     = "#704000",
		fontcolor = "#704000",
		fontsize  = 10,
		arrowsize = 0.6
	];

	
	// nodes, edges, and clusters
	subgraph cluster_clients {
  c1[label="var ws = new WebSocket('/foo')"];
  c2[label="ws.onopen = function (ev) => { ... }"];
  c3[label="ws.onmessage = function (ev) => { ... }"];
  c4[label="ws.send()"];
}

s[label="Service Unit |  request |  push"];

c1 -> s.req;

/*
subgraph cluster_services {
  s1[label="cast service"];
  s2[label="monitor service"];
  s3[label="simple service"];
}

subgraph cluster_queue {
  q1[label="outbound queue"];
  q2[label="inbound queue"];
}

subgraph cluster_worker {
  w1[label="cast worker"];
  w2[label="handler worker", constraint=false];
}

c1 -> w1 -> q1 -> s1;
s2 -> q2 -> w2 -> c2;
*/
	
}

testflow

test