Begin development of next release 0.3.0

- update info in package ./version
- update to Go 1.13
- regenerate ./examples/binapi for latest VPP: 19.08.1-release
- clean code in proxy
- refactor Makefile

Change-Id: Ibf5c2682c2f4b3cbbea4aa1e35d3f02175d40a9b
Signed-off-by: Ondrej Fabry <ofabry@cisco.com>

14 files changed, 174 insertions, 135 deletions

diff --git a/.gitignore b/.gitignore
index 99fb65e..81b7a5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,8 +5,11 @@
 
 .idea/
 
-# cmds
+/bin/
+
+# cmd
 cmd/binapi-generator/binapi-generator
+cmd/vpp-proxy/vpp-proxy
 
 # examples
 examples/perf-bench/perf-bench
diff --git a/.travis.yml b/.travis.yml
index ecb8211..872eb54 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ services: docker
 
 language: go
 go:
-  - "1.12.x"
+  - "1.13.x"
 
 go_import_path: git.fd.io/govpp.git
 
@@ -14,12 +14,12 @@ env:
 before_script:
   - export VPP_IMG="ligato/vpp-base:latest"
   - docker pull $VPP_IMG
-  - GO111MODULE=on go mod download
+  - go mod download
 
 script:
+  - make lint || true
   - make test
   - make build
-  - make examples
   - make gen-binapi-docker
 
 notifications:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95d80e3..8c1c2ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 This file lists changes for the GoVPP releases.
 
+## 0.3.0
+> _in development_
+
+// TO BE ADDED
+
 ## 0.2.0
 > _04 November 2019_
 
@@ -18,7 +23,6 @@ This file lists changes for the GoVPP releases.
 - migrate to Go modules
 - print info for users when sockets are missing
 
-
 ## 0.1.0
 > _03 July 2019_
 
diff --git a/Makefile b/Makefile
index 5354609..1c4f97b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,74 +1,94 @@
-SHELL = /bin/bash
-
-GO ?= GO111MODULE=on go
-GOVPP_PKG := $(shell go list)
+SHELL := /usr/bin/env bash -o pipefail
 
 VERSION ?= $(shell git describe --always --tags --dirty)
 COMMIT ?= $(shell git rev-parse HEAD)
 BUILD_STAMP ?= $(shell git log -1 --format="%ct")
 BUILD_BRANCH ?= $(shell git rev-parse --abbrev-ref HEAD)
+
 BUILD_HOST ?= $(shell hostname)
 BUILD_USER ?= $(shell id -un)
 
-VPP_VERSION	= $(shell dpkg-query -f '\${Version}' -W vpp)
-
-VPP_IMG 	?= ligato/vpp-base:latest
-BINAPI_DIR	?= ./examples/binapi
+GO ?= go
 
-LDFLAGS = -w -s \
+GOVPP_PKG := $(shell go list)
+LDFLAGS = \
 	-X ${GOVPP_PKG}/version.version=$(VERSION) \
 	-X ${GOVPP_PKG}/version.commitHash=$(COMMIT) \
 	-X ${GOVPP_PKG}/version.buildStamp=$(BUILD_STAMP) \
 	-X ${GOVPP_PKG}/version.buildBranch=$(BUILD_BRANCH) \
 	-X ${GOVPP_PKG}/version.buildUser=$(BUILD_USER) \
 	-X ${GOVPP_PKG}/version.buildHost=$(BUILD_HOST)
+ifeq ($(NOSTRIP),)
+LDFLAGS += -w -s
+endif
+
+GO_BUILD_TAGS ?= novpp
 
 GO_BUILD_ARGS = -ldflags "${LDFLAGS}"
-ifeq ($(V),1)
-GO_BUILD_ARGS += -v
-endif
 ifneq ($(GO_BUILD_TAGS),)
 GO_BUILD_ARGS += -tags="${GO_BUILD_TAGS}"
 endif
+ifneq ($(GO_NOTRIM),0)
+GO_BUILD_ARGS += -trimpath
+endif
+ifeq ($(V),1)
+GO_BUILD_ARGS += -v
+endif
+
+VPP_VERSION	= $(shell dpkg-query -f '\${Version}' -W vpp)
+
+VPP_IMG 	?= ligato/vpp-base:latest
+BINAPI_DIR	?= ./examples/binapi
+
+help:
+	@echo "List of make targets:"
+	grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.DEFAULT = help
+
+bin:
+	mkdir -p bin
+
+build: ## Build all
+	@echo "# building ${VERSION}"
+	$(GO) build ${GO_BUILD_ARGS} ./...
+
+cmd: bin ## Build commands
+	$(GO) build ${GO_BUILD_ARGS} -o bin ./cmd/...
+
+examples: bin ## Build examples
+	$(GO) build ${GO_BUILD_ARGS} -o bin ./examples/...
+
+clean: ## Clean all
+	@echo "# cleaning"
+	$(GO) clean -v ./...
+
+test: ## Run unit tests
+	@echo "# running tests"
+	$(GO) test -tags="${GO_BUILD_TAGS}" ./...
 
-all: test build examples
+integration: ## Run integration tests
+	@echo "# running integration tests"
+	$(GO) test -tags="integration ${GO_BUILD_TAGS}" ./test/integration
 
-install:
-	@echo "=> installing binapi-generator ${VERSION}"
+lint: ## Run code linter
+	@echo "# running linter"
+	@golint ./...
+
+install-generator: ## Install binapi-generator
+	@echo "# installing binapi-generator ${VERSION}"
 	$(GO) install ${GO_BUILD_ARGS} ./cmd/binapi-generator
 
-build:
-	@echo "=> building binapi-generator ${VERSION}"
-	cd cmd/binapi-generator && $(GO) build ${GO_BUILD_ARGS}
-
-examples:
-	@echo "=> building examples"
-	cd examples/perf-bench && $(GO) build ${GO_BUILD_ARGS} -v
-	cd examples/rpc-service && $(GO) build ${GO_BUILD_ARGS} -v
-	cd examples/simple-client && $(GO) build ${GO_BUILD_ARGS} -v
-	cd examples/stats-client && $(GO) build ${GO_BUILD_ARGS} -v
-	cd examples/union-example && $(GO) build ${GO_BUILD_ARGS} -v
-
-clean:
-	@echo "=> cleaning"
-	go clean -v ./cmd/...
-	go clean -v ./examples/...
-
-test:
-	@echo "=> running tests"
-	$(GO) test ${GO_BUILD_ARGS} ./cmd/...
-	$(GO) test ${GO_BUILD_ARGS} ./ ./api ./adapter ./codec ./core
-
-test-integration:
-	@echo "=> running integration tests"
-	$(GO) test ${GO_BUILD_ARGS} ./test/integration
-
-lint:
-	@echo "=> running linter"
-	@golint ./... | grep -v vendor | grep -v /binapi/ || true
-
-gen-binapi-docker: install
-	@echo "=> generating binapi in docker image ${VPP_IMG}"
+generate: ## Generate code
+	@echo "# generating code"
+	$(GO) generate -x ./...
+
+generate-binapi: install-generator
+	@echo "# generating binapi VPP $(VPP_VERSION)"
+	$(GO) generate -x "$(BINAPI_DIR)"
+
+gen-binapi-docker: install-generator
+	@echo "# generating binapi in docker image ${VPP_IMG}"
 	$(eval cmds := $(shell go generate -n $(BINAPI_DIR) 2>&1 | tr "\n" ";"))
 	docker run -t --rm \
 		-v "$(shell which gofmt):/usr/local/bin/gofmt:ro" \
@@ -78,19 +98,13 @@ gen-binapi-docker: install
 		"${VPP_IMG}" \
 	  sh -xc "cd $(BINAPI_DIR) && $(cmds)"
 
-generate-binapi: install
-	@echo "=> generating binapi VPP $(VPP_VERSION)"
-	$(GO) generate -x "$(BINAPI_DIR)"
-
-generate:
-	@echo "=> generating code"
-	$(GO) generate -x ./...
-
 extras:
 	@make -C extras
 
 
-.PHONY: all \
-	install build examples clean test test-integration lint \
-	generate generate-binapi gen-binapi-docker \
+.PHONY: help \
+    build cmd examples clean \
+	lint test integration \
+	install-generator generate generate-binapi gen-binapi-docker \
 	extras
+
diff --git a/doc.go b/doc.go
index 3344d5a..9718db6 100644
--- a/doc.go
+++ b/doc.go
@@ -1,3 +1,17 @@
+//  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 govpp provides the entry point to govpp functionality. It provides the API for connecting the govpp core
 // to VPP either using the default VPP adapter, or using the adapter previously set by SetAdapter function
 // (useful mostly just for unit/integration tests with mocked VPP adapter).
diff --git a/examples/binapi/interfaces/interfaces.ba.go b/examples/binapi/interfaces/interfaces.ba.go
index b0eb978..4e650ed 100644
--- a/examples/binapi/interfaces/interfaces.ba.go
+++ b/examples/binapi/interfaces/interfaces.ba.go
@@ -24,9 +24,9 @@ const (
 	// ModuleName is the name of this module.
 	ModuleName = "interface"
 	// APIVersion is the API version of this module.
-	APIVersion = "2.3.1"
+	APIVersion = "3.1.1"
 	// VersionCrc is the CRC of this module.
-	VersionCrc = 0x6aab37be
+	VersionCrc = 0xbfceada9
 )
 
 // InterfaceIndex represents VPP binary API alias 'interface_index'.
@@ -394,7 +394,6 @@ type SwInterfaceDetails struct {
 	SupSwIfIndex      uint32
 	L2AddressLength   uint32
 	L2Address         []byte `struc:"[8]byte"`
-	InterfaceName     []byte `struc:"[64]byte"`
 	AdminUpDown       uint8
 	LinkUpDown        uint8
 	LinkDuplex        uint8
@@ -415,19 +414,20 @@ type SwInterfaceDetails struct {
 	VtrPushDot1q      uint32
 	VtrTag1           uint32
 	VtrTag2           uint32
-	Tag               []byte `struc:"[64]byte"`
 	OuterTag          uint16
 	BDmac             []byte `struc:"[6]byte"`
 	BSmac             []byte `struc:"[6]byte"`
 	BVlanid           uint16
 	ISid              uint32
+	InterfaceName     string `struc:"[64]byte"`
+	Tag               string `struc:"[64]byte"`
 }
 
 func (*SwInterfaceDetails) GetMessageName() string {
 	return "sw_interface_details"
 }
 func (*SwInterfaceDetails) GetCrcString() string {
-	return "e4ee7eb6"
+	return "52a9262e"
 }
 func (*SwInterfaceDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -435,16 +435,17 @@ func (*SwInterfaceDetails) GetMessageType() api.MessageType {
 
 // SwInterfaceDump represents VPP binary API message 'sw_interface_dump'.
 type SwInterfaceDump struct {
-	SwIfIndex       InterfaceIndex
-	NameFilterValid uint8
-	NameFilter      []byte `struc:"[49]byte"`
+	SwIfIndex         InterfaceIndex
+	NameFilterValid   bool
+	XXX_NameFilterLen uint32 `struc:"sizeof=NameFilter"`
+	NameFilter        string
 }
 
 func (*SwInterfaceDump) GetMessageName() string {
 	return "sw_interface_dump"
 }
 func (*SwInterfaceDump) GetCrcString() string {
-	return "052753c5"
+	return "aa610c27"
 }
 func (*SwInterfaceDump) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -821,16 +822,16 @@ func (*SwInterfaceSetUnnumberedReply) GetMessageType() api.MessageType {
 
 // SwInterfaceTagAddDel represents VPP binary API message 'sw_interface_tag_add_del'.
 type SwInterfaceTagAddDel struct {
-	IsAdd     uint8
-	SwIfIndex uint32
-	Tag       []byte `struc:"[64]byte"`
+	IsAdd     bool
+	SwIfIndex InterfaceIndex
+	Tag       string `struc:"[64]byte"`
 }
 
 func (*SwInterfaceTagAddDel) GetMessageName() string {
 	return "sw_interface_tag_add_del"
 }
 func (*SwInterfaceTagAddDel) GetCrcString() string {
-	return "14cc636c"
+	return "426f8bc1"
 }
 func (*SwInterfaceTagAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
diff --git a/examples/binapi/ip/ip.ba.go b/examples/binapi/ip/ip.ba.go
index 3bdb551..62e5741 100644
--- a/examples/binapi/ip/ip.ba.go
+++ b/examples/binapi/ip/ip.ba.go
@@ -6,7 +6,7 @@ Package ip is a generated VPP binary API for 'ip' module.
 
 It consists of:
 	  9 enums
-	  3 aliases
+	  6 aliases
 	 17 types
 	  1 union
 	 93 messages
@@ -29,7 +29,7 @@ const (
 	// APIVersion is the API version of this module.
 	APIVersion = "3.0.0"
 	// VersionCrc is the CRC of this module.
-	VersionCrc = 0x902699f5
+	VersionCrc = 0x251fc559
 )
 
 // AddressFamily represents VPP binary API enum 'address_family'.
@@ -416,12 +416,21 @@ func (x MfibItfFlags) String() string {
 	return strconv.Itoa(int(x))
 }
 
+// AddressWithPrefix represents VPP binary API alias 'address_with_prefix'.
+type AddressWithPrefix Prefix
+
 // IP4Address represents VPP binary API alias 'ip4_address'.
 type IP4Address [4]uint8
 
+// IP4AddressWithPrefix represents VPP binary API alias 'ip4_address_with_prefix'.
+type IP4AddressWithPrefix IP4Prefix
+
 // IP6Address represents VPP binary API alias 'ip6_address'.
 type IP6Address [16]uint8
 
+// IP6AddressWithPrefix represents VPP binary API alias 'ip6_address_with_prefix'.
+type IP6AddressWithPrefix IP6Prefix
+
 // MacAddress represents VPP binary API alias 'mac_address'.
 type MacAddress [6]uint8
 
@@ -745,7 +754,7 @@ func (*IP4ArpEvent) GetMessageName() string {
 	return "ip4_arp_event"
 }
 func (*IP4ArpEvent) GetCrcString() string {
-	return "72cdde7c"
+	return "efad00cd"
 }
 func (*IP4ArpEvent) GetMessageType() api.MessageType {
 	return api.EventMessage
@@ -764,7 +773,7 @@ func (*IP6NdEvent) GetMessageName() string {
 	return "ip6_nd_event"
 }
 func (*IP6NdEvent) GetCrcString() string {
-	return "3a23e7d4"
+	return "d676f6ca"
 }
 func (*IP6NdEvent) GetMessageType() api.MessageType {
 	return api.EventMessage
@@ -788,7 +797,7 @@ func (*IP6RaEvent) GetMessageName() string {
 	return "ip6_ra_event"
 }
 func (*IP6RaEvent) GetCrcString() string {
-	return "34c9ddac"
+	return "170493ab"
 }
 func (*IP6RaEvent) GetMessageType() api.MessageType {
 	return api.EventMessage
@@ -805,7 +814,7 @@ func (*IP6ndProxyAddDel) GetMessageName() string {
 	return "ip6nd_proxy_add_del"
 }
 func (*IP6ndProxyAddDel) GetCrcString() string {
-	return "bff10d55"
+	return "b431d174"
 }
 func (*IP6ndProxyAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -836,7 +845,7 @@ func (*IP6ndProxyDetails) GetMessageName() string {
 	return "ip6nd_proxy_details"
 }
 func (*IP6ndProxyDetails) GetCrcString() string {
-	return "bbbd7894"
+	return "46bfb684"
 }
 func (*IP6ndProxyDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -893,14 +902,14 @@ func (*IP6ndSendRouterSolicitationReply) GetMessageType() api.MessageType {
 // IPAddressDetails represents VPP binary API message 'ip_address_details'.
 type IPAddressDetails struct {
 	SwIfIndex uint32
-	Prefix    Prefix
+	Prefix    AddressWithPrefix
 }
 
 func (*IPAddressDetails) GetMessageName() string {
 	return "ip_address_details"
 }
 func (*IPAddressDetails) GetCrcString() string {
-	return "2f1dbc7d"
+	return "7002eee7"
 }
 func (*IPAddressDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -933,7 +942,7 @@ func (*IPContainerProxyAddDel) GetMessageName() string {
 	return "ip_container_proxy_add_del"
 }
 func (*IPContainerProxyAddDel) GetCrcString() string {
-	return "5ba831f3"
+	return "630352c5"
 }
 func (*IPContainerProxyAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -964,7 +973,7 @@ func (*IPContainerProxyDetails) GetMessageName() string {
 	return "ip_container_proxy_details"
 }
 func (*IPContainerProxyDetails) GetCrcString() string {
-	return "2f1dbc7d"
+	return "550a6c28"
 }
 func (*IPContainerProxyDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1025,7 +1034,7 @@ func (*IPMrouteAddDel) GetMessageName() string {
 	return "ip_mroute_add_del"
 }
 func (*IPMrouteAddDel) GetCrcString() string {
-	return "997baab2"
+	return "edbca49e"
 }
 func (*IPMrouteAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1056,7 +1065,7 @@ func (*IPMrouteDetails) GetMessageName() string {
 	return "ip_mroute_details"
 }
 func (*IPMrouteDetails) GetCrcString() string {
-	return "39405e5a"
+	return "c1cb4b44"
 }
 func (*IPMrouteDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1115,7 +1124,7 @@ func (*IPNeighborAddDel) GetMessageName() string {
 	return "ip_neighbor_add_del"
 }
 func (*IPNeighborAddDel) GetCrcString() string {
-	return "7a68a3c4"
+	return "029dad44"
 }
 func (*IPNeighborAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1146,7 +1155,7 @@ func (*IPNeighborDetails) GetMessageName() string {
 	return "ip_neighbor_details"
 }
 func (*IPNeighborDetails) GetCrcString() string {
-	return "4a05f212"
+	return "c1a190ed"
 }
 func (*IPNeighborDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1178,7 +1187,7 @@ func (*IPProbeNeighbor) GetMessageName() string {
 	return "ip_probe_neighbor"
 }
 func (*IPProbeNeighbor) GetCrcString() string {
-	return "2736142d"
+	return "37bc128d"
 }
 func (*IPProbeNeighbor) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1241,7 +1250,7 @@ func (*IPPuntRedirect) GetMessageName() string {
 	return "ip_punt_redirect"
 }
 func (*IPPuntRedirect) GetCrcString() string {
-	return "70b793c6"
+	return "f9ea79a8"
 }
 func (*IPPuntRedirect) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1256,7 +1265,7 @@ func (*IPPuntRedirectDetails) GetMessageName() string {
 	return "ip_punt_redirect_details"
 }
 func (*IPPuntRedirectDetails) GetCrcString() string {
-	return "07e504f8"
+	return "d6441360"
 }
 func (*IPPuntRedirectDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1405,7 +1414,7 @@ func (*IPRouteAddDel) GetMessageName() string {
 	return "ip_route_add_del"
 }
 func (*IPRouteAddDel) GetCrcString() string {
-	return "83e086ce"
+	return "5ceee41c"
 }
 func (*IPRouteAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1436,7 +1445,7 @@ func (*IPRouteDetails) GetMessageName() string {
 	return "ip_route_details"
 }
 func (*IPRouteDetails) GetCrcString() string {
-	return "acdee858"
+	return "d1ffaae1"
 }
 func (*IPRouteDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1506,7 +1515,7 @@ func (*IPSourceAndPortRangeCheckAddDel) GetMessageName() string {
 	return "ip_source_and_port_range_check_add_del"
 }
 func (*IPSourceAndPortRangeCheckAddDel) GetCrcString() string {
-	return "b50ed159"
+	return "97e10a78"
 }
 func (*IPSourceAndPortRangeCheckAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1697,7 +1706,7 @@ func (*MfibSignalDetails) GetMessageName() string {
 	return "mfib_signal_details"
 }
 func (*MfibSignalDetails) GetCrcString() string {
-	return "cd461bfa"
+	return "697ab6b4"
 }
 func (*MfibSignalDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -1726,7 +1735,7 @@ func (*ProxyArpAddDel) GetMessageName() string {
 	return "proxy_arp_add_del"
 }
 func (*ProxyArpAddDel) GetCrcString() string {
-	return "93a0e853"
+	return "320b4c54"
 }
 func (*ProxyArpAddDel) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -1756,7 +1765,7 @@ func (*ProxyArpDetails) GetMessageName() string {
 	return "proxy_arp_details"
 }
 func (*ProxyArpDetails) GetCrcString() string {
-	return "2515902a"
+	return "9228c150"
 }
 func (*ProxyArpDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -2057,7 +2066,7 @@ func (*SwInterfaceIP6ndRaPrefix) GetMessageName() string {
 	return "sw_interface_ip6nd_ra_prefix"
 }
 func (*SwInterfaceIP6ndRaPrefix) GetCrcString() string {
-	return "0f759f82"
+	return "6449c040"
 }
 func (*SwInterfaceIP6ndRaPrefix) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -2089,7 +2098,7 @@ func (*WantIP4ArpEvents) GetMessageName() string {
 	return "want_ip4_arp_events"
 }
 func (*WantIP4ArpEvents) GetCrcString() string {
-	return "70fd7195"
+	return "2678f421"
 }
 func (*WantIP4ArpEvents) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -2121,7 +2130,7 @@ func (*WantIP6NdEvents) GetMessageName() string {
 	return "want_ip6_nd_events"
 }
 func (*WantIP6NdEvents) GetCrcString() string {
-	return "ba330719"
+	return "08283da1"
 }
 func (*WantIP6NdEvents) GetMessageType() api.MessageType {
 	return api.RequestMessage
diff --git a/examples/binapi/vpe/vpe.ba.go b/examples/binapi/vpe/vpe.ba.go
index 1d4e9db..129f868 100644
--- a/examples/binapi/vpe/vpe.ba.go
+++ b/examples/binapi/vpe/vpe.ba.go
@@ -26,9 +26,9 @@ const (
 	// ModuleName is the name of this module.
 	ModuleName = "vpe"
 	// APIVersion is the API version of this module.
-	APIVersion = "1.5.0"
+	APIVersion = "1.6.0"
 	// VersionCrc is the CRC of this module.
-	VersionCrc = 0x2521f24d
+	VersionCrc = 0x1bf55581
 )
 
 // LogLevel represents VPP binary API enum 'log_level'.
@@ -169,7 +169,7 @@ func (*CliInband) GetMessageName() string {
 	return "cli_inband"
 }
 func (*CliInband) GetCrcString() string {
-	return "b1ad59b3"
+	return "f8377302"
 }
 func (*CliInband) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -186,7 +186,7 @@ func (*CliInbandReply) GetMessageName() string {
 	return "cli_inband_reply"
 }
 func (*CliInbandReply) GetCrcString() string {
-	return "6d3c80a4"
+	return "05879051"
 }
 func (*CliInbandReply) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -394,19 +394,17 @@ func (*GetNodeIndexReply) GetMessageType() api.MessageType {
 
 // LogDetails represents VPP binary API message 'log_details'.
 type LogDetails struct {
-	Timestamp       Timestamp
-	Level           LogLevel
-	XXX_MsgClassLen uint32 `struc:"sizeof=MsgClass"`
-	MsgClass        string `binapi:",limit=32"`
-	XXX_MessageLen  uint32 `struc:"sizeof=Message"`
-	Message         string `binapi:",limit=256"`
+	Timestamp Timestamp
+	Level     LogLevel
+	MsgClass  string `struc:"[32]byte"`
+	Message   string `struc:"[256]byte"`
 }
 
 func (*LogDetails) GetMessageName() string {
 	return "log_details"
 }
 func (*LogDetails) GetCrcString() string {
-	return "4aea1f4d"
+	return "255827a1"
 }
 func (*LogDetails) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -421,7 +419,7 @@ func (*LogDump) GetMessageName() string {
 	return "log_dump"
 }
 func (*LogDump) GetCrcString() string {
-	return "e4a022b6"
+	return "6ab31753"
 }
 func (*LogDump) GetMessageType() api.MessageType {
 	return api.RequestMessage
@@ -472,22 +470,18 @@ func (*ShowVersion) GetMessageType() api.MessageType {
 
 // ShowVersionReply represents VPP binary API message 'show_version_reply'.
 type ShowVersionReply struct {
-	Retval                int32
-	XXX_ProgramLen        uint32 `struc:"sizeof=Program"`
-	Program               string `binapi:",limit=32"`
-	XXX_VersionLen        uint32 `struc:"sizeof=Version"`
-	Version               string `binapi:",limit=32"`
-	XXX_BuildDateLen      uint32 `struc:"sizeof=BuildDate"`
-	BuildDate             string `binapi:",limit=32"`
-	XXX_BuildDirectoryLen uint32 `struc:"sizeof=BuildDirectory"`
-	BuildDirectory        string `binapi:",limit=256"`
+	Retval         int32
+	Program        string `struc:"[32]byte"`
+	Version        string `struc:"[32]byte"`
+	BuildDate      string `struc:"[32]byte"`
+	BuildDirectory string `struc:"[256]byte"`
 }
 
 func (*ShowVersionReply) GetMessageName() string {
 	return "show_version_reply"
 }
 func (*ShowVersionReply) GetCrcString() string {
-	return "b9bcf6df"
+	return "c919bde1"
 }
 func (*ShowVersionReply) GetMessageType() api.MessageType {
 	return api.ReplyMessage
@@ -516,7 +510,7 @@ func (*ShowVpeSystemTimeReply) GetMessageName() string {
 	return "show_vpe_system_time_reply"
 }
 func (*ShowVpeSystemTimeReply) GetCrcString() string {
-	return "3b12fb3f"
+	return "7ffd8193"
 }
 func (*ShowVpeSystemTimeReply) GetMessageType() api.MessageType {
 	return api.ReplyMessage
diff --git a/go.sum b/go.sum
index 0974b09..b43459a 100644
--- a/go.sum
+++ b/go.sum
@@ -15,8 +15,6 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lunixbochs/struc v0.0.0-20180408203800-02e4c2afbb2a h1:axFx97V2Lyke5LbeygrJlzc07mwVhHt2ZHeI/Nv8Aq4=
-github.com/lunixbochs/struc v0.0.0-20180408203800-02e4c2afbb2a/go.mod h1:iOJu9pApjjmEmNq7PqlA5R9mDu/HMF5EM3llWKX/TyA=
 github.com/lunixbochs/struc v0.0.0-20190916212049-a5c72983bc42 h1:PzBD7QuxXSgSu61TKXxRwVGzWO5d9QZ0HxFFpndZMCg=
 github.com/lunixbochs/struc v0.0.0-20190916212049-a5c72983bc42/go.mod h1:vy1vK6wD6j7xX6O6hXe621WabdtNkou2h7uRtTfRMyg=
 github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w=
diff --git a/proxy/client.go b/proxy/client.go
index 7f92946..6f29c71 100644
--- a/proxy/client.go
+++ b/proxy/client.go
@@ -16,12 +16,12 @@ package proxy
 
 import (
 	"fmt"
-	"git.fd.io/govpp.git/core"
 	"net/rpc"
 	"reflect"
 	"time"
 
 	"git.fd.io/govpp.git/api"
+	"git.fd.io/govpp.git/core"
 )
 
 type Client struct {
diff --git a/proxy/log.go b/proxy/log.go
index 2810528..d53e532 100644
--- a/proxy/log.go
+++ b/proxy/log.go
@@ -1,8 +1,9 @@
 package proxy
 
 import (
-	"github.com/sirupsen/logrus"
 	"os"
+
+	"github.com/sirupsen/logrus"
 )
 
 var (
@@ -27,4 +28,4 @@ func SetLogger(l *logrus.Logger) {
 // SetLogLevel sets global logger level to lvl.
 func SetLogLevel(lvl logrus.Level) {
 	log.Level = lvl
-}
\ No newline at end of file
+}
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 33cf05f..6656ee5 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -83,10 +83,11 @@ func (p *Server) ListenAndServe(addr string) error {
 
 	l, e := net.Listen("tcp", addr)
 	if e != nil {
-		return fmt.Errorf("listen error:", e)
+		return fmt.Errorf("listen failed: %v", e)
 	}
 	defer l.Close()
 
 	log.Printf("proxy serving on: %v", addr)
+
 	return http.Serve(l, nil)
 }
diff --git a/proxy/server.go b/proxy/server.go
index ecb0e8d..472ad16 100644
--- a/proxy/server.go
+++ b/proxy/server.go
@@ -92,7 +92,7 @@ func (s *StatsRPC) watchConnection() {
 	s.mu.Lock()
 	if err := s.statsConn.GetSystemStats(prev); err != nil {
 		atomic.StoreUint32(&s.available, 0)
-		log.Warnf("disabling statsRPC service, reason:", err)
+		log.Warnf("disabling statsRPC service, reason: %v", err)
 	}
 	s.mu.Unlock()
 
@@ -110,7 +110,7 @@ func (s *StatsRPC) watchConnection() {
 			s.mu.Lock()
 			if err := s.statsConn.GetSystemStats(curr); err != nil {
 				atomic.StoreUint32(&s.available, 0)
-				log.Warnf("disabling statsRPC service, reason:", err)
+				log.Warnf("disabling statsRPC service, reason: %v", err)
 			}
 			s.mu.Unlock()
 
diff --git a/version/version.go b/version/version.go
index 8f3e82b..36eaa3a 100644
--- a/version/version.go
+++ b/version/version.go
@@ -23,7 +23,7 @@ import (
 
 var (
 	name        = "govpp"
-	version     = "v0.2.0"
+	version     = "v0.3.0-dev"
 	commitHash  = "unknown"
 	buildBranch = "HEAD"
 	buildStamp  = ""