feat(raw): machine friendly output

85 files changed, 5638 insertions, 1490 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 7f4168c..09fb45a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1217,6 +1217,7 @@ name = "what"
 version = "0.1.0"
 dependencies = [
  "cargo-insta 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "dns-lookup 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "insta 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1225,6 +1226,7 @@ dependencies = [
  "pnet 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pnet_base 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "procfs 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index c1f04e2..66facc2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,9 +22,11 @@ structopt = "0.3"
 dns-lookup = "1.0.1"
 signal-hook = "0.1.10"
 failure = "0.1.6"
+chrono = "0.4"
 
 [dev-dependencies]
 insta = "0.11.0"
 cargo-insta = "0.11.0"
 packet-builder = "0.3.0"
 pnet_base = "0.22.0"
+regex = "1"
diff --git a/src/display/components/table.rs b/src/display/components/table.rs
index 6f22ea5..f59536e 100644
--- a/src/display/components/table.rs
+++ b/src/display/components/table.rs
@@ -7,7 +7,7 @@ use ::tui::terminal::Frame;
 use ::tui::widgets::{Block, Borders, Row, Widget};
 
 use crate::display::{Bandwidth, DisplayBandwidth, UIState};
-use crate::network::Connection;
+use crate::network::{display_connection_string, display_ip_or_host};
 
 use ::std::net::Ipv4Addr;
 use std::iter::FromIterator;
@@ -28,13 +28,6 @@ fn display_upload_and_download(bandwidth: &impl Bandwidth) -> String {
     )
 }
 
-fn display_ip_or_host(ip: Ipv4Addr, ip_to_host: &HashMap<Ipv4Addr, String>) -> String {
-    match ip_to_host.get(&ip) {
-        Some(host) => host.clone(),
-        None => ip.to_string(),
-    }
-}
-
 fn sort_by_bandwidth<'a, T>(
     list: &'a mut Vec<(T, &impl Bandwidth)>,
 ) -> &'a Vec<(T, &'a impl Bandwidth)> {
@@ -54,19 +47,6 @@ fn sort_by_bandwidth<'a, T>(
     list
 }
 
-fn display_connection_string(
-    connection: &Connection,
-    ip_to_host: &HashMap<Ipv4Addr, String>,
-) -> String {
-    format!(
-        ":{} => {}:{} ({})",
-        connection.local_port,
-        display_ip_or_host(connection.remote_socket.ip, ip_to_host),
-        connection.remote_socket.port,
-        connection.protocol,
-    )
-}
-
 pub struct Table<'a> {
     title: &'a str,
     column_names: &'a [&'a str],
@@ -119,29 +99,29 @@ impl<'a> Table<'a> {
             rows: processes_rows,
         }
     }
-    pub fn create_remote_ips_table(
+    pub fn create_remote_addresses_table(
         state: &UIState,
         ip_to_host: &HashMap<Ipv4Addr, String>,
     ) -> Self {
-        let mut remote_ips_list = Vec::from_iter(&state.remote_ips);
-        sort_by_bandwidth(&mut remote_ips_list);
-        let remote_ips_rows = remote_ips_list
+        let mut remote_addresses_list = Vec::from_iter(&state.remote_addresses);
+        sort_by_bandwidth(&mut remote_addresses_list);
+        let remote_addresses_rows = remote_addresses_list
             .iter()
-            .map(|(remote_ip, data_for_remote_ip)| {
-                let remote_ip = display_ip_or_host(**remote_ip, &ip_to_host);
+            .map(|(remote_address, data_for_remote_address)| {
+                let remote_address = display_ip_or_host(**remote_address, &ip_to_host);
                 vec![
-                    remote_ip,
-                    data_for_remote_ip.connection_count.to_string(),
-                    display_upload_and_download(*data_for_remote_ip),
+                    remote_address,
+                    data_for_remote_address.connection_count.to_string(),
+                    display_upload_and_download(*data_for_remote_address),
                 ]
             })
             .collect();
-        let remote_ips_title = "Utilization by remote ip";
-        let remote_ips_column_names = &["Remote Address", "Connection Count", "Rate Up/Down"];
+        let remote_addresses_title = "Utilization by remote address";
+        let remote_addresses_column_names = &["Remote Address", "Connection Count", "Rate Up/Down"];
         Table {
-            title: remote_ips_title,
-            column_names: remote_ips_column_names,
-            rows: remote_ips_rows,
+            title: remote_addresses_title,
+            column_names: remote_addresses_column_names,
+            rows: remote_addresses_rows,
         }
     }
     pub fn render(&self, frame: &mut Frame<impl Backend>, rect: Rect) {
diff --git a/src/display/mod.rs b/src/display/mod.rs
index 8d24159..396b5d9 100644
--- a/src/display/mod.rs
+++ b/src/display/mod.rs
@@ -1,7 +1,9 @@
 mod components;
 mod ui;
 mod ui_state;
+mod raw_terminal_backend;
 
 pub use components::*;
 pub use ui::*;
 pub use ui_state::*;
+pub use raw_terminal_backend::*;
diff --git a/src/display/raw_terminal_backend.rs b/src/display/raw_terminal_backend.rs
new file mode 100644
index 0000000..3ae299a
--- /dev/null
+++ b/src/display/raw_terminal_backend.rs
@@ -0,0 +1,52 @@
+// this is a bit of a hack:
+// the TUI backend used by this app changes stdout to raw byte mode.
+// this is not desired when we do not use it (in our --raw mode),
+// since it makes writing to stdout overly complex
+//
+// so what we do here is provide a fake backend (RawTerminalBackend)
+// that implements the Backend TUI trait, but does nothing
+// this way, we don't need to create the TermionBackend
+// and thus skew our stdout when we don't need it
+use ::std::io;
+use ::tui::backend::Backend;
+use ::tui::buffer::Cell;
+use ::tui::layout::Rect;
+
+pub struct RawTerminalBackend {}
+
+impl Backend for RawTerminalBackend {
+    fn clear(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+
+    fn hide_cursor(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+
+    fn show_cursor(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+
+    fn get_cursor(&mut self) -> io::Result<(u16, u16)> {
+        Ok((0, 0))
+    }
+
+    fn set_cursor(&mut self, _x: u16, _y: u16) -> io::Result<()> {
+        Ok(())
+    }
+
+    fn draw<'a, I>(&mut self, _content: I) -> io::Result<()>
+    where
+        I: Iterator<Item = (u16, u16, &'a Cell)>,
+    {
+        Ok(())
+    }
+
+    fn size(&self) -> io::Result<Rect> {
+        Ok(Rect::new(0, 0, 0, 0))
+    }
+
+    fn flush(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+}
diff --git a/src/display/ui.rs b/src/display/ui.rs
index feacc5e..e23843e 100644
--- a/src/display/ui.rs
+++ b/src/display/ui.rs
@@ -5,10 +5,12 @@ use ::tui::Terminal;
 
 use crate::display::components::{Layout, Table, TotalBandwidth};
 use crate::display::UIState;
-use crate::network::{Connection, Utilization};
+use crate::network::{Connection, Utilization, display_connection_string, display_ip_or_host};
 
 use ::std::net::Ipv4Addr;
 
+use chrono::prelude::*;
+
 pub struct Ui<B>
 where
     B: Backend,
@@ -26,10 +28,52 @@ where
         let mut terminal = Terminal::new(terminal_backend).unwrap();
         terminal.clear().unwrap();
         terminal.hide_cursor().unwrap();
-        Ui {
-            terminal,
-            state: Default::default(),
-            ip_to_host: Default::default(),
+         Ui {
+             terminal: terminal,
+             state: Default::default(),
+             ip_to_host: Default::default(),
+         }
+    }
+    pub fn output_text(&mut self, write_to_stdout: &mut Box<dyn FnMut(String) + Send>) {
+        let state = &self.state;
+        let ip_to_host = &self.ip_to_host;
+        let local_time: DateTime<Local> = Local::now();
+        let timestamp = local_time.timestamp();
+        for (process, process_network_data) in &state.processes {
+            write_to_stdout(
+                format!(
+                    "process: <{}> \"{}\" up/down Bps: {}/{} connections: {}",
+                    timestamp,
+                    process,
+                    process_network_data.total_bytes_uploaded,
+                    process_network_data.total_bytes_downloaded,
+                    process_network_data.connection_count
+                )
+            );
+        }
+        for (connection, connection_network_data) in &state.connections {
+            write_to_stdout(
+                format!(
+                    "connection: <{}> {} up/down Bps: {}/{} process: \"{}\"",
+                    timestamp,
+                    display_connection_string(connection, ip_to_host),
+                    connection_network_data.total_bytes_uploaded,
+                    connection_network_data.total_bytes_downloaded,
+                    connection_network_data.process_name
+                )
+            );
+        }
+        for (remote_address, remote_address_network_data) in &state.remote_addresses {
+            write_to_stdout(
+                format!(
+                    "remote_address: <{}> {} up/down Bps: {}/{} connections: {}",
+                    timestamp,
+                    display_ip_or_host(*remote_address, ip_to_host),
+                    remote_address_network_data.total_bytes_uploaded,
+                    remote_address_network_data.total_bytes_downloaded,
+                    remote_address_network_data.connection_count
+                )
+            );
         }
     }
     pub fn draw(&mut self) {
@@ -40,11 +84,11 @@ where
                 let size = frame.size();
                 let connections = Table::create_connections_table(&state, &ip_to_host);
                 let processes = Table::create_processes_table(&state);
-                let remote_ips = Table::create_remote_ips_table(&s