| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package icecast |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | |
| 8 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 9 | ) |
| 10 | |
| 11 | const ( |
| 12 | urlPathServerStats = "/status-json.xsl" // https://icecast.org/docs/icecast-trunk/server_stats/ |
| 13 | ) |
| 14 | |
| 15 | func (c *Collector) collect() (map[string]int64, error) { |
| 16 | mx := make(map[string]int64) |
| 17 | |
| 18 | if err := c.collectServerStats(mx); err != nil { |
| 19 | return nil, err |
| 20 | } |
| 21 | |
| 22 | return mx, nil |
| 23 | } |
| 24 | |
| 25 | func (c *Collector) collectServerStats(mx map[string]int64) error { |
| 26 | stats, err := c.queryServerStats() |
| 27 | if err != nil { |
| 28 | return err |
| 29 | } |
| 30 | if stats.IceStats == nil { |
| 31 | return fmt.Errorf("unexpected response: no icestats found") |
| 32 | } |
| 33 | if len(stats.IceStats.Source) == 0 { |
| 34 | return fmt.Errorf("no icecast sources found") |
| 35 | } |
| 36 | |
| 37 | seen := make(map[string]bool) |
| 38 | |
| 39 | for _, src := range stats.IceStats.Source { |
| 40 | name := src.ServerName |
| 41 | if name == "" { |
| 42 | continue |
| 43 | } |
| 44 | |
| 45 | seen[name] = true |
| 46 | |
| 47 | if !c.seenSources[name] { |
| 48 | c.seenSources[name] = true |
| 49 | c.addSourceCharts(name) |
| 50 | } |
| 51 | |
| 52 | px := fmt.Sprintf("source_%s_", name) |
| 53 | |
| 54 | mx[px+"listeners"] = src.Listeners |
| 55 | } |
| 56 | |
| 57 | for name := range c.seenSources { |
| 58 | if !seen[name] { |
| 59 | delete(c.seenSources, name) |
| 60 | c.removeSourceCharts(name) |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return nil |
| 65 | } |
| 66 | |
| 67 | func (c *Collector) queryServerStats() (*serverStats, error) { |
| 68 | req, err := web.NewHTTPRequestWithPath(c.RequestConfig, urlPathServerStats) |
| 69 | if err != nil { |
| 70 | return nil, err |
| 71 | } |
| 72 | |
| 73 | var stats serverStats |
| 74 | if err := web.DoHTTP(c.httpClient).RequestJSON(req, &stats); err != nil { |
| 75 | return nil, err |
| 76 | } |
| 77 | |
| 78 | return &stats, nil |
| 79 | } |