| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package tomcat |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | "net/url" |
| 8 | "strings" |
| 9 | |
| 10 | "github.com/netdata/netdata/go/plugins/pkg/stm" |
| 11 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 12 | ) |
| 13 | |
| 14 | var ( |
| 15 | urlPathServerStatus = "/manager/status" |
| 16 | urlQueryServerStatus = url.Values{"XML": {"true"}}.Encode() |
| 17 | ) |
| 18 | |
| 19 | func (c *Collector) collect() (map[string]int64, error) { |
| 20 | mx, err := c.collectServerStatus() |
| 21 | if err != nil { |
| 22 | return nil, err |
| 23 | } |
| 24 | |
| 25 | return mx, nil |
| 26 | } |
| 27 | |
| 28 | func (c *Collector) collectServerStatus() (map[string]int64, error) { |
| 29 | resp, err := c.queryServerStatus() |
| 30 | if err != nil { |
| 31 | return nil, err |
| 32 | } |
| 33 | |
| 34 | if len(resp.Connectors) == 0 { |
| 35 | return nil, errors.New("unexpected response: not tomcat server status data") |
| 36 | } |
| 37 | |
| 38 | seenConns, seenPools := make(map[string]bool), make(map[string]bool) |
| 39 | |
| 40 | for i, v := range resp.Connectors { |
| 41 | resp.Connectors[i].STMKey = cleanName(v.Name) |
| 42 | ti := &resp.Connectors[i].ThreadInfo |
| 43 | ti.CurrentThreadsIdle = ti.CurrentThreadCount - ti.CurrentThreadsBusy |
| 44 | |
| 45 | seenConns[v.Name] = true |
| 46 | if !c.seenConnectors[v.Name] { |
| 47 | c.seenConnectors[v.Name] = true |
| 48 | c.addConnectorCharts(v.Name) |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | for i, v := range resp.JVM.MemoryPools { |
| 53 | resp.JVM.MemoryPools[i].STMKey = cleanName(v.Name) |
| 54 | |
| 55 | seenPools[v.Name] = true |
| 56 | if !c.seenMemPools[v.Name] { |
| 57 | c.seenMemPools[v.Name] = true |
| 58 | c.addMemPoolCharts(v.Name, v.Type) |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | for name := range c.seenConnectors { |
| 63 | if !seenConns[name] { |
| 64 | delete(c.seenConnectors, name) |
| 65 | c.removeConnectorCharts(name) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | for name := range c.seenMemPools { |
| 70 | if !seenPools[name] { |
| 71 | delete(c.seenMemPools, name) |
| 72 | c.removeMemoryPoolCharts(name) |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | resp.JVM.Memory.Used = resp.JVM.Memory.Total - resp.JVM.Memory.Free |
| 77 | |
| 78 | return stm.ToMap(resp), nil |
| 79 | } |
| 80 | |
| 81 | func cleanName(name string) string { |
| 82 | r := strings.NewReplacer(" ", "_", ".", "_", "\"", "", "'", "") |
| 83 | return strings.ToLower(r.Replace(name)) |
| 84 | } |
| 85 | |
| 86 | func (c *Collector) queryServerStatus() (*serverStatusResponse, error) { |
| 87 | req, err := web.NewHTTPRequestWithPath(c.RequestConfig, urlPathServerStatus) |
| 88 | if err != nil { |
| 89 | return nil, err |
| 90 | } |
| 91 | |
| 92 | req.URL.RawQuery = urlQueryServerStatus |
| 93 | |
| 94 | var status serverStatusResponse |
| 95 | if err := web.DoHTTP(c.httpClient).RequestXML(req, &status); err != nil { |
| 96 | return nil, err |
| 97 | } |
| 98 | |
| 99 | return &status, nil |
| 100 | } |