Add first draft of event stream

Taskfile.yml

@@ -5,7 +5,7 @@ vars:
   INETMOCK_PKG: gitlab.com/inetmock/inetmock/cmd/inetmock
   IMCTL_PKG: gitlab.com/inetmock/inetmock/cmd/imctl
   PROTO_FILES:
-    sh: find ./api/ -type f -name "*.proto" -printf "%f "
+    sh: find ./api/ -type f -name "*.proto" -printf "%p "
 
 env:
   GOOS: linux
@@ -26,7 +26,7 @@ tasks:
     sources:
       - "**/*.proto"
     cmds:
-      - protoc --proto_path ./api/ --go_out=./internal/rpc --go_opt=paths=source_relative --go-grpc_out=./internal/rpc --go-grpc_opt=paths=source_relative {{ .PROTO_FILES }}
+      - protoc --proto_path ./api/proto/ --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative {{ .PROTO_FILES }}
 
   go-generate:
     sources:
@@ -46,7 +46,8 @@ tasks:
       - generate
     cmds:
       - mkdir -p {{ .OUT_DIR }}
-      - go test -coverprofile={{ .OUT_DIR }}/cov-raw.out -covermode count -v ./... 2>&1 | go-junit-report > {{ .OUT_DIR }}/report.xml
+      - go test -coverprofile={{ .OUT_DIR }}/cov-raw.out -covermode count -v ./... 2>&1 | tee {{ .OUT_DIR }}/test_output
+      - cat {{ .OUT_DIR }}/test_output | go-junit-report -set-exit-code > {{ .OUT_DIR }}/report.xml
       - grep -v "generated" {{ .OUT_DIR }}/cov-raw.out > {{ .OUT_DIR }}/cov.out
       - gocover-cobertura < {{ .OUT_DIR }}/cov.out > {{ .OUT_DIR }}/coverage.xml
       - rm -f {{ .OUT_DIR }}/cov-raw.out

api/proto/internal/rpc/endpoints.proto

@@ -5,7 +5,7 @@ option java_multiple_files = true;
 option java_package = "com.github.baez90.inetmock.rpc";
 option java_outer_classname = "EndpointsProto";
 
-package inetmock;
+package inetmock.rpc;
 
 service Endpoints {
     rpc GetEndpoints (GetEndpointsRequest) returns (GetEndpointsResponse) {

api/proto/internal/rpc/handlers.proto

@@ -5,7 +5,7 @@ option java_multiple_files = true;
 option java_package = "com.github.baez90.inetmock.rpc";
 option java_outer_classname = "HandlersProto";
 
-package inetmock;
+package inetmock.rpc;
 
 service Handlers {
     rpc GetHandlers (GetHandlersRequest) returns (GetHandlersResponse) {

api/proto/internal/rpc/health.proto

@@ -5,7 +5,7 @@ option java_multiple_files = true;
 option java_package = "com.github.baez90.inetmock.rpc";
 option java_outer_classname = "HealthProto";
 
-package inetmock;
+package inetmock.rpc;
 
 service Health {
     rpc GetHealth (HealthRequest) returns (HealthResponse) {

api/proto/pkg/audit/event_entity.proto

@@ -0,0 +1,61 @@
+syntax = "proto3";
+
+option go_package = "gitlab.com/inetmock/inetmock/pkg/audit";
+option java_multiple_files = true;
+option java_package = "com.github.baez90.inetmock.audit";
+option java_outer_classname = "HandlerEventProto";
+
+package inetmock.audit;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+enum TransportProtocol {
+    UNKNOWN_TRANSPORT = 0;
+    TCP = 1;
+    UDP = 2;
+}
+
+enum AppProtocol {
+    UNKNOWN_APPLICATION = 0;
+    DNS = 1;
+    HTTP = 2;
+    HTTP_PROXY = 3;
+}
+
+enum TLSVersion {
+    SSLv30 = 0;
+    TLS10 = 1;
+    TLS11 = 2;
+    TLS12 = 3;
+    TLS13 = 4;
+}
+
+message TLSDetailsEntity {
+    TLSVersion version = 1;
+    string cipherSuite = 2;
+    string serverName = 3;
+}
+
+message EventEntity {
+    int64 id = 1;
+    google.protobuf.Timestamp timestamp = 2;
+    TransportProtocol transport = 3;
+    AppProtocol application = 4;
+
+    oneof sourceIP {
+        uint32 sourceIPv4 = 5;
+        uint64 sourceIPv6 = 6;
+    }
+
+    oneof destinationIP {
+        uint32 destinationIPv4 = 7;
+        uint64 destinationIPv6 = 8;
+    }
+
+    uint32 sourcePort = 9;
+    uint32 destinationPort = 10;
+
+    TLSDetailsEntity tls = 11;
+    google.protobuf.Any protocolDetails = 12;
+}

api/proto/pkg/audit/http_details.proto

@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+option go_package = "gitlab.com/inetmock/inetmock/pkg/audit";
+option java_multiple_files = true;
+option java_package = "com.github.baez90.inetmock.audit";
+option java_outer_classname = "HandlerEventProto";
+
+package inetmock.audit;
+
+enum HTTPMethod {
+    GET = 0;
+    HEAD = 1;
+    POST = 2;
+    PUT = 3;
+    DELETE = 4;
+    CONNECT = 5;
+    OPTIONS = 6;
+    TRACE = 7;
+    PATCH = 8;
+}
+
+message HTTPHeaderValue {
+    repeated string values = 1;
+}
+
+message HTTPDetailsEntity {
+    HTTPMethod method = 1;
+    string host = 2;
+    string uri = 3;
+    string proto = 4;
+    map<string, HTTPHeaderValue> headers = 5;
+}

go.mod

@@ -3,9 +3,11 @@ module gitlab.com/inetmock/inetmock
 go 1.15
 
 require (
+	github.com/bwmarrin/snowflake v0.3.0
 	github.com/golang/mock v1.4.4
 	github.com/golang/protobuf v1.4.2
 	github.com/google/uuid v1.1.2
+	github.com/imdario/mergo v0.3.11
 	github.com/miekg/dns v1.1.31
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/prometheus/client_golang v1.7.1

go.sum

@@ -30,13 +30,14 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/bwmarrin/snowflake v0.3.0 h1:xm67bEhkKh6ij1790JB83OujPR5CzNe8QuQqAgISZN0=
+github.com/bwmarrin/snowflake v0.3.0/go.mod h1:NdZxfVWX+oR6y2K0o6qAYv6gIOP9rjG0/E9WsDpxqwE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -58,12 +59,13 @@ github.com/elazarl/goproxy/ext v0.0.0-20201021153353-00ad82a08272 h1:xOHQWEGsftk
 github.com/elazarl/goproxy/ext v0.0.0-20201021153353-00ad82a08272/go.mod h1:gNh8nYJoAm43RfaxurUnxr+N1PwuFV3ZMl/efxlIlY8=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@@ -83,7 +85,6 @@ github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
@@ -92,8 +93,6 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
-github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -108,8 +107,6 @@ github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXi
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
-github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
-github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
@@ -142,6 +139,8 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
+github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
+github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
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 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
@@ -154,6 +153,7 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -163,6 +163,8 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.4 h1:8KGKTcQQGm0Kv7vEbKFErAoAOFyyacLStRtQSeYtvkY=
+github.com/magiconair/properties v1.8.4/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
@@ -182,6 +184,8 @@ github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0Qu
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/mapstructure v1.4.0 h1:7ks8ZkOP5/ujthUsT07rNv+nkLXCQWKNHuwzOAesEks=
+github.com/mitchellh/mapstructure v1.4.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
@@ -193,9 +197,12 @@ github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FW
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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+github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=
+github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
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+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -241,12 +248,18 @@ github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4k
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/afero v1.5.1 h1:VHu76Lk0LSP1x254maIu2bplkWpfBWI+B+6fdoZprcg=
+github.com/spf13/afero v1.5.1/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
+github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v1.0.0 h1:6m/oheQuQ13N9ks4hubMG6BnvwOeaJrqSPLahSnczz8=
 github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
 github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
+github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
+github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
@@ -259,6 +272,7 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
@@ -272,9 +286,13 @@ go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
+go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
+go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
+go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
@@ -286,6 +304,7 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 h1:58fnuSXlxZmFdJyvtTFVmVhcMLU6v5fEb/ok4wyqtNU=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -327,8 +346,6 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20201224014010-6772e930b67b h1:iFwSg7t5GZmB/Q5TjiEAsdoLDrdJRC1RiF2WhuV29Qw=
-golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -356,13 +373,12 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0 h1:HyfiK1WMnHj5FXFXatD+Qs1A/xC2Run6RzeW1SyHxpc=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 h1:ogLJMz+qpzav7lGMh10LMvAkM/fAoGlaiiHYiFYdm80=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201223074533-0d417f636930 h1:vRgIt+nup/B/BwIS0g2oC0haq0iqbV3ZA+u6+0TlNCo=
 golang.org/x/sys v0.0.0-20201223074533-0d417f636930/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
@@ -420,8 +436,6 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgX
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d h1:HV9Z9qMhQEsdlvxNFELgQ11RkMzO3CMkjEySjCtuLes=
-google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -429,12 +443,8 @@ google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ij
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.34.0 h1:raiipEjMOIC/TO2AvyTxP25XFdLxNIBwzDh3FM3XztI=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.1 h1:M8spwkmx0pHrPq+uMdl22w5CvJ/Y+oAJTIs9oGoCpOE=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.1/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -444,7 +454,6 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
@@ -458,6 +467,8 @@ gopkg.in/elazarl/goproxy.v1 v1.0.0-20180725130230-947c36da3153/go.mod h1:xzjpkye
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
+gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -466,6 +477,10 @@ gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

pkg/audit/api.go

@@ -0,0 +1,28 @@
+//go:generate mockgen -source=$GOFILE -destination=./../../internal/mock/audit/audit.mock.go -package=audit_mock
+
+package audit
+
+import (
+	"errors"
+	"io"
+)
+
+var (
+	ErrSinkAlreadyRegistered = errors.New("sink with same name already registered")
+)
+
+type Emitter interface {
+	Emit(ev Event)
+}
+
+type Sink interface {
+	Name() string
+	OnSubscribe(evs <-chan Event)
+}
+
+type EventStream interface {
+	io.Closer
+	Emitter
+	RegisterSink(s Sink) error
+	Sinks() []string
+}

pkg/audit/event.go

@@ -0,0 +1,25 @@
+package audit
+
+import (
+	"net"
+	"time"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type EventDetails interface {
+	ProtoMessage() proto.Message
+}
+
+type Event struct {
+	ID              int64
+	Timestamp       time.Time
+	Transport       TransportProtocol
+	Application     AppProtocol
+	SourceIP        net.IP
+	DestinationIP   net.IP
+	SourcePort      uint16
+	DestinationPort uint16
+	ProtocolDetails EventDetails
+	TLS             *TLSDetails
+}

pkg/audit/event_stream.go

@@ -0,0 +1,117 @@
+package audit
+
+import (
+	"sync"
+	"time"
+
+	"github.com/bwmarrin/snowflake"
+	"github.com/imdario/mergo"
+	"gitlab.com/inetmock/inetmock/pkg/logging"
+	"go.uber.org/zap"
+)
+
+func init() {
+	snowflake.Epoch = time.Unix(0, 0).Unix()
+}
+
+type eventStream struct {
+	logger                 logging.Logger
+	buffer                 chan *Event
+	sinks                  map[string]chan Event
+	lock                   sync.Locker
+	idGenerator            *snowflake.Node
+	sinkBufferSize         int
+	sinkConsumptionTimeout time.Duration
+}
+
+func NewEventStream(logger logging.Logger, options ...EventStreamOption) (es EventStream, err error) {
+	cfg := newEventStreamCfg()
+
+	for _, opt := range options {
+		opt(&cfg)
+	}
+
+	var node *snowflake.Node
+	node, err = snowflake.NewNode(cfg.generatorIndex)
+	if err != nil {
+		return
+	}
+
+	generatorIdx++
+	underlying := &eventStream{
+		logger:                 logger,
+		sinks:                  make(map[string]chan Event),
+		buffer:                 make(chan *Event, cfg.bufferSize),
+		sinkBufferSize:         cfg.sinkBuffersize,
+		sinkConsumptionTimeout: cfg.sinkConsumptionTimeout,
+		idGenerator:            node,
+		lock:                   &sync.Mutex{},
+	}
+
+	go underlying.distribute()
+
+	es = underlying
+
+	return
+}
+
+func (e *eventStream) Emit(ev Event) {
+	defaultEvent := e.newDefaultEvent()
+	_ = mergo.Merge(defaultEvent, &ev)
+	select {
+	case e.buffer <- defaultEvent:
+		e.logger.Debug("pushed event to distribute loop")
+	default:
+		e.logger.Warn("buffer is full")
+	}
+}
+
+func (e *eventStream) RegisterSink(s Sink) error {
+	name := s.Name()
+
+	if _, exists := e.sinks[name]; exists {
+		return ErrSinkAlreadyRegistered
+	}
+
+	downstream := make(chan Event, e.sinkBufferSize)
+	s.OnSubscribe(downstream)
+	e.sinks[name] = downstream
+	return nil
+}
+
+func (e eventStream) Sinks() (sinks []string) {
+	for name := range e.sinks {
+		sinks = append(sinks, name)
+	}
+	return
+}
+
+func (e *eventStream) Close() error {
+	close(e.buffer)
+	for _, downstream := range e.sinks {
+		close(downstream)
+	}
+	return nil
+}
+
+func (e *eventStream) distribute() {
+	for ev := range e.buffer {
+		for name, s := range e.sinks {
+			e.logger.Debug("notify sink", zap.String("sink", name))
+			select {
+			case s <- *ev:
+				e.logger.Debug("pushed event to sink channel")
+			case <-time.After(e.sinkConsumptionTimeout):
+				e.logger.Warn("sink consummation timed out")
+			}
+		}
+	}
+}
+
+func (e *eventStream) newDefaultEvent() *Event {
+	id := e.idGenerator.Generate()
+	return &Event{
+		ID:        id.Int64(),
+		Timestamp: time.Now().UTC(),
+	}
+}

pkg/audit/event_stream_test.go

@@ -0,0 +1,235 @@
+package audit_test
+
+import (
+	"net"
+	"sync"
+	"testing"
+	"time"
+
+	"gitlab.com/inetmock/inetmock/pkg/audit"
+	"gitlab.com/inetmock/inetmock/pkg/logging"
+)
+
+var (
+	defaultSink = &testSink{
+		name: "test defaultSink",
+	}
+)
+
+type testSink struct {
+	name     string
+	consumer func(event audit.Event)
+}
+
+func (t *testSink) Name() string {
+	return t.name
+}
+
+func (t *testSink) OnSubscribe(evs <-chan audit.Event) {
+	go func() {
+		for ev := range evs {
+			if t.consumer != nil {
+				t.consumer(ev)
+			}
+		}
+	}()
+}
+
+func wgMockSink(t testing.TB, wg *sync.WaitGroup) audit.Sink {
+	return &testSink{
+		name: "WG mock sink",
+		consumer: func(event audit.Event) {
+			t.Logf("Got event = %v", event)
+			wg.Done()
+		},
+	}
+}
+
+func Test_eventStream_RegisterSink(t *testing.T) {
+	type args struct {
+		s audit.Sink
+	}
+
+	tests := []struct {
+		name    string
+		args    args
+		setup   func(e audit.EventStream)
+		wantErr bool
+	}{
+		{
+			name: "Register test defaultSink",
+			args: args{
+				s: defaultSink,
+			},
+			wantErr: false,
+		},
+		{
+			name: "Fail due to already registered defaultSink",
+			args: args{
+				s: defaultSink,
+			},
+			setup: func(e audit.EventStream) {
+				_ = e.RegisterSink(defaultSink)
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var err error
+			var e audit.EventStream
+			if e, err = audit.NewEventStream(logging.CreateTestLogger(t)); err != nil {
+				t.Errorf("NewEventStream() error = %v", err)
+			}
+
+			t.Cleanup(func() {
+				_ = e.Close()
+			})
+
+			if tt.setup != nil {
+				tt.setup(e)
+			}
+
+			if err := e.RegisterSink(tt.args.s); (err != nil) != tt.wantErr {
+				t.Errorf("RegisterSink() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			found := false
+			for _, s := range e.Sinks() {
+				if found = s == tt.args.s.Name(); found {
+					break
+				}
+			}
+			if !found {
+				t.Errorf("expected defaultSink name %s not found in registered sinks %v", tt.args.s.Name(), e.Sinks())
+			}
+		})
+	}
+}
+
+func Test_eventStream_Emit(t *testing.T) {
+	type args struct {
+		evs  []audit.Event
+		opts []audit.EventStreamOption
+	}
+	tests := []struct {
+		name      string
+		args      args
+		subscribe bool
+	}{
+		{
+			name:      "Expect to get a single event",
+			subscribe: true,
+			args: args{
+				opts: []audit.EventStreamOption{audit.WithBufferSize(10)},
+				evs: []audit.Event{
+					{
+						Transport:       audit.TransportProtocol_TCP,
+						Application:     audit.AppProtocol_HTTP,
+						SourceIP:        net.ParseIP("127.0.0.1"),
+						DestinationIP:   net.ParseIP("127.0.0.1"),
+						SourcePort:      32344,
+						DestinationPort: 80,
+					},
+				},
+			},
+		},
+		{
+			name:      "Expect to get multiple events",
+			subscribe: true,
+			args: args{
+				opts: []audit.EventStreamOption{audit.WithBufferSize(10)},
+				evs: []audit.Event{
+					{
+						Transport:       audit.TransportProtocol_TCP,
+						Application:     audit.AppProtocol_HTTP,
+						SourceIP:        net.ParseIP("127.0.0.1"),
+						DestinationIP:   net.ParseIP("127.0.0.1"),
+						SourcePort:      32344,
+						DestinationPort: 80,
+					},
+					{
+						Transport:       audit.TransportProtocol_TCP,
+						Application:     audit.AppProtocol_DNS,
+						SourceIP:        net.ParseIP("::1"),
+						DestinationIP:   net.ParseIP("::1"),
+						SourcePort:      32344,
+						DestinationPort: 80,
+					},
+				},
+			},
+		},
+		{
+			name: "Emit without subscribe sink",
+			args: args{
+				opts: []audit.EventStreamOption{audit.WithBufferSize(0)},
+				evs: []audit.Event{
+					{
+						Transport:       audit.TransportProtocol_TCP,
+						Application:     audit.AppProtocol_HTTP,
+						SourceIP:        net.ParseIP("127.0.0.1"),
+						DestinationIP:   net.ParseIP("127.0.0.1"),
+						SourcePort:      32344,
+						DestinationPort: 80,
+					},
+				},
+			},
+			subscribe: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var err error
+			var e audit.EventStream
+			if e, err = audit.NewEventStream(logging.CreateTestLogger(t), tt.args.opts...); err != nil {
+				t.Errorf("NewEventStream() error = %v", err)
+			}
+
+			t.Cleanup(func() {
+				_ = e.Close()
+			})
+
+			emittedWaitGroup := &sync.WaitGroup{}
+			receivedWaitGroup := &sync.WaitGroup{}
+
+			emittedWaitGroup.Add(len(tt.args.evs))
+
+			if tt.subscribe {
+				receivedWaitGroup.Add(len(tt.args.evs))
+				if err := e.RegisterSink(wgMockSink(t, receivedWaitGroup)); err != nil {
+					t.Errorf("RegisterSink() error = %v", err)
+				}
+			}
+
+			go func(evs []audit.Event, wg *sync.WaitGroup) {
+				for _, ev := range evs {
+					e.Emit(ev)
+					wg.Done()
+				}
+			}(tt.args.evs, emittedWaitGroup)
+
+			select {
+			case <-waitGroupDone(emittedWaitGroup):
+			case <-time.After(100 * time.Millisecond):
+				t.Errorf("not all events emitted in time")
+			}
+
+			select {
+			case <-waitGroupDone(receivedWaitGroup):
+			case <-time.After(5 * time.Second):
+				t.Errorf("did not get all expected events in time")
+			}
+		})
+	}
+}
+
+func waitGroupDone(wg *sync.WaitGroup) <-chan struct{} {
+	done := make(chan struct{})
+
+	go func(wg *sync.WaitGroup) {
+		wg.Wait()
+		close(done)
+	}(wg)
+
+	return done
+}

pkg/audit/http_details.go

@@ -0,0 +1,39 @@
+package audit
+
+import (
+	"net/http"
+	"strings"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type HTTPDetails struct {
+	Method  string
+	Host    string
+	URI     string
+	Proto   string
+	Headers http.Header
+}
+
+func (d HTTPDetails) ProtoMessage() proto.Message {
+	var method = HTTPMethod_GET
+	if methodValue, known := HTTPMethod_value[strings.ToUpper(d.Method)]; known {
+		method = HTTPMethod(methodValue)
+	}
+
+	headers := make(map[string]*HTTPHeaderValue)
+
+	for k, v := range d.Headers {
+		headers[k] = &HTTPHeaderValue{
+			Values: v,
+		}
+	}
+
+	return &HTTPDetailsEntity{
+		Method:  method,
+		Host:    d.Host,
+		Uri:     d.URI,
+		Proto:   d.Proto,
+		Headers: headers,
+	}
+}

pkg/audit/options.go

@@ -0,0 +1,54 @@
+package audit
+
+import "time"
+
+const (
+	defaultEventStreamBufferSize  = 100
+	defaultSinkBufferSize         = 0
+	defaultSinkConsumptionTimeout = 50 * time.Millisecond
+)
+
+var (
+	generatorIdx   int64 = 1
+	WithBufferSize       = func(bufferSize int) EventStreamOption {
+		return func(cfg *eventStreamCfg) {
+			cfg.bufferSize = bufferSize
+		}
+	}
+	WithGeneratorIndex = func(generatorIndex int64) EventStreamOption {
+		return func(cfg *eventStreamCfg) {
+			cfg.generatorIndex = generatorIndex
+		}
+	}
+	WithSinkBufferSize = func(bufferSize int) EventStreamOption {
+		return func(cfg *eventStreamCfg) {
+			cfg.sinkBuffersize = bufferSize
+		}
+	}
+	WithSinkConsumptionTimeout = func(timeout time.Duration) EventStreamOption {
+		return func(cfg *eventStreamCfg) {
+			cfg.sinkConsumptionTimeout = timeout
+		}
+	}
+)
+
+type EventStreamOption func(cfg *eventStreamCfg)
+
+type eventStreamCfg struct {
+	bufferSize             int
+	sinkBuffersize         int
+	generatorIndex         int64
+	sinkConsumptionTimeout time.Duration
+}
+
+func newEventStreamCfg() eventStreamCfg {
+	cfg := eventStreamCfg{
+		generatorIndex:         generatorIdx,
+		sinkBuffersize:         defaultSinkBufferSize,
+		bufferSize:             defaultEventStreamBufferSize,
+		sinkConsumptionTimeout: defaultSinkConsumptionTimeout,
+	}
+	generatorIdx++
+
+	return cfg
+}

pkg/audit/tls_details.go

@@ -0,0 +1,36 @@
+package audit
+
+import (
+	"crypto/tls"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type TLSDetails struct {
+	Version     uint16
+	CipherSuite uint16
+	ServerName  string
+}
+
+func (d TLSDetails) ProtoMessage() proto.Message {
+	var version TLSVersion
+
+	switch d.Version {
+	case tls.VersionTLS10:
+		version = TLSVersion_TLS10
+	case tls.VersionTLS11:
+		version = TLSVersion_TLS11
+	case tls.VersionTLS12:
+		version = TLSVersion_TLS12
+	case tls.VersionTLS13:
+		version = TLSVersion_TLS13
+	default:
+		version = TLSVersion_SSLv30
+	}
+
+	return &TLSDetailsEntity{
+		Version:     version,
+		CipherSuite: tls.CipherSuiteName(d.CipherSuite),
+		ServerName:  d.ServerName,
+	}
+}

pkg/logging/factory.go

@@ -2,6 +2,7 @@ package logging
 
 import (
 	"strings"
+	"testing"
 
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
@@ -48,6 +49,13 @@ func CreateLogger() (Logger, error) {
 	}
 }
 
+func CreateTestLogger(tb testing.TB) Logger {
+	return &testLogger{
+		tb:      tb,
+		encoder: zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig()),
+	}
+}
+
 func MustCreateLogger() Logger {
 	if logger, err := CreateLogger(); err != nil {
 		panic(err)

pkg/logging/test_logger.go

@@ -0,0 +1,131 @@
+package logging
+
+import (
+	"runtime"
+	"runtime/debug"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+type testLogger struct {
+	name    string
+	fields  []zap.Field
+	tb      testing.TB
+	encoder zapcore.Encoder
+}
+
+func (t testLogger) Named(s string) Logger {
+	return testLogger{
+		name:   s,
+		tb:     t.tb,
+		fields: t.fields,
+	}
+}
+
+func (t testLogger) With(fields ...zap.Field) Logger {
+	return &testLogger{
+		name:   t.name,
+		fields: append(t.fields, fields...),
+		tb:     t.tb,
+	}
+}
+
+func (t testLogger) Debug(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.DebugLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Log(buf.String())
+	}
+}
+
+func (t testLogger) Info(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.InfoLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Log(buf.String())
+	}
+}
+
+func (t testLogger) Warn(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.WarnLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Log(buf.String())
+	}
+}
+
+func (t testLogger) Error(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.ErrorLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+		Stack:      string(debug.Stack()),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Log(buf.String())
+	}
+}
+
+func (t testLogger) Panic(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.PanicLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+		Stack:      string(debug.Stack()),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Error(buf.String())
+	}
+}
+
+func (t testLogger) Fatal(msg string, fields ...zap.Field) {
+	t.tb.Helper()
+	buf, err := t.encoder.EncodeEntry(zapcore.Entry{
+		Level:      zapcore.FatalLevel,
+		Time:       time.Now(),
+		LoggerName: t.name,
+		Message:    msg,
+		Caller:     zapcore.NewEntryCaller(runtime.Caller(2)),
+		Stack:      string(debug.Stack()),
+	}, append(t.fields, fields...))
+
+	if err == nil {
+		t.tb.Error(buf.String())
+	}
+}
+
+func (t testLogger) Sync() error {
+	return nil
+}