1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
use std::convert::TryFrom; use log::warn; use serde_json::{json, Value}; use uuid::Uuid; use crate::error::Error; use crate::graph_description::IpConnection; use crate::node::NodeT; pub enum IpConnectionState { Created, Existing, Terminated, } impl From<IpConnectionState> for u32 { fn from(p: IpConnectionState) -> u32 { match p { IpConnectionState::Created => 1, IpConnectionState::Terminated => 2, IpConnectionState::Existing => 3, } } } impl TryFrom<u32> for IpConnectionState { type Error = Error; fn try_from(p: u32) -> Result<IpConnectionState, Error> { match p { 1 => Ok(IpConnectionState::Created), 2 => Ok(IpConnectionState::Terminated), 3 => Ok(IpConnectionState::Existing), _ => Err(Error::InvalidIpConnectionState(p)), } } } impl IpConnection { pub fn new( src_ip_address: impl Into<String>, dst_ip_address: impl Into<String>, protocol: impl Into<String>, state: IpConnectionState, created_timestamp: u64, terminated_timestamp: u64, last_seen_timestamp: u64, ) -> Self { let src_ip_address = src_ip_address.into(); let dst_ip_address = dst_ip_address.into(); let protocol = protocol.into(); Self { node_key: Uuid::new_v4().to_string(), src_ip_address, dst_ip_address, protocol, state: state.into(), created_timestamp, terminated_timestamp, last_seen_timestamp, } } pub fn into_json(self) -> Value { let mut j = json!({ "node_key": self.node_key, "dgraph.type": "IpConnection", "src_ip_address": self.src_ip_address, "dst_ip_address": self.dst_ip_address, "protocol": self.protocol, }); if self.created_timestamp != 0 { j["created_timestamp"] = self.created_timestamp.into(); } if self.terminated_timestamp != 0 { j["terminated_timestamp"] = self.terminated_timestamp.into(); } if self.last_seen_timestamp != 0 { j["last_seen_timestamp"] = self.last_seen_timestamp.into(); } j } } impl NodeT for IpConnection { fn get_asset_id(&self) -> Option<&str> { None } fn set_asset_id(&mut self, _asset_id: impl Into<String>) { panic!("Can not set asset_id on IpConnection"); } fn get_node_key(&self) -> &str { &self.node_key } fn set_node_key(&mut self, node_key: impl Into<String>) { self.node_key = node_key.into(); } fn merge(&mut self, other: &Self) -> bool { if self.node_key != other.node_key { warn!("Attempted to merge two IpConnection Nodes with differing node_keys"); return false; } let mut merged = false; if self.created_timestamp == 0 || other.created_timestamp < self.created_timestamp { self.created_timestamp = other.created_timestamp; merged = true; } if self.terminated_timestamp == 0 || other.terminated_timestamp > self.terminated_timestamp { self.terminated_timestamp = other.terminated_timestamp; merged = true; } if self.last_seen_timestamp == 0 || other.last_seen_timestamp > self.last_seen_timestamp { self.last_seen_timestamp = other.last_seen_timestamp; merged = true; } merged } fn merge_into(&mut self, other: Self) -> bool { self.merge(&other) } }