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use {
crate::*,
anyhow::*,
std::{
path::Path,
},
};
#[derive(Default)]
struct BaseContent {
lines: Vec<LogLine>,
bar_idx: usize,
unfiltered_histogram: Histogram,
filtered_histogram: Histogram,
}
impl LineConsumer for BaseContent {
fn start_eating(
&mut self,
first_date: Date,
) {
self.unfiltered_histogram.bars.push(Bar::new(first_date));
self.filtered_histogram.bars.push(Bar::new(first_date));
}
fn eat_line(
&mut self,
mut log_line: LogLine,
_raw_line: &str,
filtered_out: bool,
) {
let ubars = &mut self.unfiltered_histogram.bars;
let fbars = &mut self.filtered_histogram.bars;
if log_line.date != ubars[self.bar_idx].date {
ubars.push(Bar::new(log_line.date));
fbars.push(Bar::new(log_line.date));
self.bar_idx += 1;
}
ubars[self.bar_idx].hits += 1;
ubars[self.bar_idx].bytes_sent += log_line.bytes_sent;
if !filtered_out {
fbars[self.bar_idx].hits += 1;
fbars[self.bar_idx].bytes_sent += log_line.bytes_sent;
log_line.date_idx = self.bar_idx;
self.lines.push(log_line);
}
}
}
pub struct LogBase {
pub dates: Vec<Date>,
pub filterer: Filterer,
pub lines: Vec<LogLine>,
pub filtered_histogram: Histogram,
pub filtered_count: u64,
pub unfiltered_histogram: Histogram,
pub unfiltered_count: u64,
}
impl LogBase {
pub fn new(
path: &Path,
args: &args::Args,
) -> Result<Self> {
let mut base_content = BaseContent::default();
let mut file_reader = FileReader::new(path, args, &mut base_content)?;
time!("reading files", file_reader.read_all_files())?;
let filterer = file_reader.filterer();
let BaseContent {lines, unfiltered_histogram, filtered_histogram, ..} = base_content;
if lines.is_empty() {
bail!("no log file found in {:?}", path);
}
let mut unfiltered_count = 0;
let mut dates = Vec::new();
for bar in &unfiltered_histogram.bars {
unfiltered_count += bar.hits;
dates.push(bar.date);
}
let filtered_count = filtered_histogram.total_hits();
Ok(Self {
dates,
filterer,
lines,
filtered_histogram,
filtered_count,
unfiltered_histogram,
unfiltered_count,
})
}
pub fn start_time(&self) -> Date {
self.dates[0]
}
pub fn end_time(&self) -> Date {
self.dates[self.dates.len() - 1]
}
pub fn day_count(&self) -> usize {
self.dates.len()
}
pub fn is_empty(&self) -> bool {
self.lines.is_empty()
}
}