| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package boinc |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "fmt" |
| 8 | "net" |
| 9 | ) |
| 10 | |
| 11 | func (c *Collector) collect() (map[string]int64, error) { |
| 12 | if c.conn == nil { |
| 13 | conn, err := c.establishConn() |
| 14 | if err != nil { |
| 15 | return nil, err |
| 16 | } |
| 17 | c.conn = conn |
| 18 | } |
| 19 | |
| 20 | results, err := c.conn.getResults() |
| 21 | if err != nil { |
| 22 | c.Cleanup(context.Background()) |
| 23 | return nil, err |
| 24 | } |
| 25 | |
| 26 | mx := make(map[string]int64) |
| 27 | |
| 28 | if err := c.collectResults(mx, results); err != nil { |
| 29 | return nil, err |
| 30 | } |
| 31 | |
| 32 | return mx, nil |
| 33 | } |
| 34 | |
| 35 | func (c *Collector) collectResults(mx map[string]int64, results []boincReplyResult) error { |
| 36 | mx["total"] = int64(len(results)) |
| 37 | mx["active"] = 0 |
| 38 | |
| 39 | for _, v := range resultStateMap { |
| 40 | mx[v] = 0 |
| 41 | } |
| 42 | for _, v := range activeTaskStateMap { |
| 43 | mx[v] = 0 |
| 44 | } |
| 45 | for _, v := range schedulerStateMap { |
| 46 | mx[v] = 0 |
| 47 | } |
| 48 | |
| 49 | for _, r := range results { |
| 50 | mx[r.state()]++ |
| 51 | if r.ActiveTask != nil { |
| 52 | mx["active"]++ |
| 53 | mx[r.activeTaskState()]++ |
| 54 | mx[r.schedulerState()]++ |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | return nil |
| 59 | } |
| 60 | |
| 61 | func (c *Collector) establishConn() (boincConn, error) { |
| 62 | conn := c.newConn(c.Config, c.Logger) |
| 63 | |
| 64 | if err := conn.connect(); err != nil { |
| 65 | return nil, fmt.Errorf("failed to establish connection: %w", err) |
| 66 | } |
| 67 | |
| 68 | if host, _, err := net.SplitHostPort(c.Address); err == nil { |
| 69 | // for the commands we use, authentication is only required for remote connections |
| 70 | ip := net.ParseIP(host) |
| 71 | if host == "localhost" || (ip != nil && ip.IsLoopback()) { |
| 72 | return conn, nil |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | if err := conn.authenticate(); err != nil { |
| 77 | return nil, fmt.Errorf("failed to authenticate: %w", err) |
| 78 | } |
| 79 | |
| 80 | return conn, nil |
| 81 | } |