[documentation] - explanation of traceroute graph annotations

[akohlsmith]

I am finding the traceroute graphs to be very useful for visualizing packet movement through the mesh, but there are a number of questions I have that I could use some help with:

• dashed outline boxes appear to be for nodes which participate in the rebroadcasting of the packet, but do not uplink to MQTT
• solid outline boxes appear to be for nodes which are uplinking the TR packet to MQTT
• solid outline boxes with "triangles in the corners" are uplinking to MQTT but I don't know what the corner treatment means
• solid filled boxes are presumably for the TR "target"

Example of the "triangle in the corner": https://meshview.socalmesh.org/graph/traceroute/1265700623, node !433c4d74, third row on the left:

Examples of "solid filled box" https://meshview.socalmesh.org/graph/traceroute/1265700623 and https://meshview.socalmesh.org/graph/traceroute/1265700624:

actually on that last link (https://meshview.socalmesh.org/graph/traceroute/1265700624) I'm really curious how the solid filled box for MXD8 is at the "end" of the chain -- the various MXDx nodes are mine, and only MXD3 is MQTT-connected; all the others have no way to uplink to MQTT so I'm curious how they end up at the "end" of a TR packet chain.

[akohlsmith]

answering my own question, from https://github.com/armooo/meshview/blob/c0641147cbd380de95fa9e2a720bcc556fe74150/meshview/web.py#L838C1-L848C35:

       if node_id in node_seen_time:
            ms = (node_seen_time[node_id] - first_time).total_seconds() * 1000
            node_name += f'\n {ms:.2f}ms'
        style = 'dashed'
        if node_id == dest:
            style = 'filled'
        elif node_id in mqtt_nodes:
            style = 'solid'

        if node_id in saw_reply:
            style += ', diagonals'

So solid/filled in box if the node is the destination of the TR, solid outline if it's a node that is reporting to MQTT and dashed outline otherwise. The diagonals for if the node has saw_reply set, which is something I'm still investigating.