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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| // Copyright (c) 2019 Cisco and/or its affiliates. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package vpp2009 | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/pkg/errors" | ||
|
|
||
| "go.ligato.io/vpp-agent/v3/plugins/govppmux/vppcalls" | ||
| "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2009/memclnt" | ||
| "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2009/vpe" | ||
| ) | ||
|
|
||
| // Ping sends VPP control ping. | ||
| func (h *VpeHandler) Ping(ctx context.Context) error { | ||
| _, err := h.vpe.ControlPing(ctx, new(vpe.ControlPing)) | ||
| return err | ||
| } | ||
|
|
||
| // GetVersion retrieves version info from VPP. | ||
| func (h *VpeHandler) GetVersion(ctx context.Context) (*vppcalls.VersionInfo, error) { | ||
| version, err := h.vpe.ShowVersion(ctx, new(vpe.ShowVersion)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| info := &vppcalls.VersionInfo{ | ||
| Program: strings.TrimRight(version.Program, "\x00"), | ||
| Version: strings.TrimRight(version.Version, "\x00"), | ||
| BuildDate: strings.TrimRight(version.BuildDate, "\x00"), | ||
| BuildDirectory: strings.TrimRight(version.BuildDirectory, "\x00"), | ||
| } | ||
| return info, nil | ||
| } | ||
|
|
||
| // GetSession retrieves session info from VPP. | ||
| func (h *VpeHandler) GetSession(ctx context.Context) (*vppcalls.SessionInfo, error) { | ||
| pong, err := h.vpe.ControlPing(ctx, new(vpe.ControlPing)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| info := &vppcalls.SessionInfo{ | ||
| PID: pong.VpePID, | ||
| ClientIdx: pong.ClientIndex, | ||
| } | ||
|
|
||
| systime, err := h.vpe.ShowVpeSystemTime(ctx, new(vpe.ShowVpeSystemTime)) | ||
| if err != nil { | ||
| // TODO: log returned error as warning? | ||
| } else { | ||
| info.Uptime = float64(systime.VpeSystemTime) | ||
| } | ||
| return info, nil | ||
| } | ||
|
|
||
| // GetModules retrieves module info from VPP. | ||
| func (h *VpeHandler) GetModules(ctx context.Context) ([]vppcalls.APIModule, error) { | ||
| versions, err := h.memclnt.APIVersions(ctx, new(memclnt.APIVersions)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var modules []vppcalls.APIModule | ||
| for _, v := range versions.APIVersions { | ||
| modules = append(modules, vppcalls.APIModule{ | ||
| Name: strings.TrimSuffix(strings.TrimRight(v.Name, "\x00"), ".api"), | ||
| Major: v.Major, | ||
| Minor: v.Minor, | ||
| Patch: v.Patch, | ||
| }) | ||
| } | ||
| return modules, nil | ||
| } | ||
|
|
||
| func (h *VpeHandler) GetPlugins(ctx context.Context) ([]vppcalls.PluginInfo, error) { | ||
| const ( | ||
| pluginPathPrefix = "Plugin path is:" | ||
| pluginNameSuffix = "_plugin.so" | ||
| ) | ||
|
|
||
| out, err := h.RunCli(ctx, "show plugins") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| lines := strings.Split(out, "\n") | ||
| if len(lines) == 0 { | ||
| return nil, fmt.Errorf("empty output for 'show plugins'") | ||
| } | ||
| pluginPathLine := strings.TrimSpace(lines[0]) | ||
| if !strings.HasPrefix(pluginPathLine, pluginPathPrefix) { | ||
| return nil, fmt.Errorf("unexpected output for 'show plugins'") | ||
| } | ||
| pluginPath := strings.TrimSpace(strings.TrimPrefix(pluginPathLine, pluginPathPrefix)) | ||
| if len(pluginPath) == 0 { | ||
| return nil, fmt.Errorf("plugin path not found in output for 'show plugins'") | ||
| } | ||
|
|
||
| var plugins []vppcalls.PluginInfo | ||
| for _, line := range lines { | ||
| fields := strings.Fields(line) | ||
| if len(fields) < 3 { | ||
| continue | ||
| } | ||
| var i int | ||
| if _, err := fmt.Sscanf(fields[0], "%d.", &i); err != nil { | ||
| continue | ||
| } | ||
| if i <= 0 { | ||
| continue | ||
| } | ||
| plugin := vppcalls.PluginInfo{ | ||
| Name: strings.TrimSuffix(fields[1], pluginNameSuffix), | ||
| Path: fields[1], | ||
| Version: fields[2], | ||
| Description: strings.Join(fields[3:], " "), | ||
| } | ||
| plugins = append(plugins, plugin) | ||
| } | ||
|
|
||
| return plugins, nil | ||
| } | ||
|
|
||
| // RunCli sends CLI command to VPP and returns response. | ||
| func (h *VpeHandler) RunCli(ctx context.Context, cmd string) (string, error) { | ||
| resp, err := h.vpe.CliInband(ctx, &vpe.CliInband{ | ||
| Cmd: cmd, | ||
| }) | ||
| if err != nil { | ||
| return "", errors.Wrapf(err, "VPP CLI command '%s' failed", cmd) | ||
| } | ||
| return resp.Reply, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| // Copyright (c) 2019 Cisco and/or its affiliates. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package vpp2009 | ||
|
|
||
| import ( | ||
| govppapi "git.fd.io/govpp.git/api" | ||
|
|
||
| "go.ligato.io/vpp-agent/v3/plugins/govppmux/vppcalls" | ||
| "go.ligato.io/vpp-agent/v3/plugins/vpp" | ||
| vpp2009 "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2009" | ||
| "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2009/memclnt" | ||
| "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2009/vpe" | ||
| ) | ||
|
|
||
| func init() { | ||
| msgs := vpp.Messages( | ||
| vpe.AllMessages, | ||
| memclnt.AllMessages, | ||
| ) | ||
| vppcalls.AddVersion(vpp2009.Version, msgs.AllMessages(), NewVpeHandler) | ||
| } | ||
|
|
||
| type VpeHandler struct { | ||
| memclnt memclnt.RPCService | ||
| vpe vpe.RPCService | ||
| } | ||
|
|
||
| func NewVpeHandler(ch govppapi.Channel) vppcalls.VppCoreAPI { | ||
| return &VpeHandler{ | ||
| memclnt: memclnt.NewServiceClient(ch), | ||
| vpe: vpe.NewServiceClient(ch), | ||
| } | ||
| } |
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