logs: Add support for reading number of entries since an index for a …

…specific log

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/pkg/errors v0.9.1
+	github.com/plgd-dev/go-coap/v3 v3.2.0 // indirect
 	github.com/raff/goble v0.0.0-20200327175727-d63360dcfd80 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/runtimeco/go-coap v0.0.0-20190911184520-8e5532820fc0
@@ -26,3 +27,5 @@ require (
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	mynewt.apache.org/newt v0.0.0-20230307214303-0b46ad464e7a
 )
+
+replace github.com/runtimeco/go-coap v0.0.0-20190911184520-8e5532820fc0 => ../Desktop/my_go-coap

go.sum

@@ -22,6 +22,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dsnet/golib/memfile v1.0.0 h1:J9pUspY2bDCbF9o+YGwcf3uG6MdyITfh/Fk3/CaEiFs=
+github.com/dsnet/golib/memfile v1.0.0/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
 github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/fatih/color v1.14.1 h1:qfhVLaG5s+nCROl1zJsZRxFeYrHLqWroPOQ8BWiNb4w=
 github.com/fatih/color v1.14.1/go.mod h1:2oHN61fhTpgcxD3TSWCgKDiH1+x4OiDVVGH8WlgGZGg=
@@ -34,6 +36,12 @@ github.com/frankban/quicktest v1.14.3/go.mod h1:mgiwOwqx65TmIk1wJ6Q7wvnVMocbUork
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
+github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
+github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
 github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
@@ -74,9 +82,17 @@ github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6
 github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
 github.com/otiai10/mint v1.4.0 h1:umwcf7gbpEwf7WFzqmWwSv0CzbeMsae2u9ZvpP8j2q4=
 github.com/otiai10/mint v1.4.0/go.mod h1:gifjb2MYOoULtKLqUAEILUG/9KONW6f7YsJ6vQLTlFI=
+github.com/pion/dtls/v2 v2.2.8-0.20231026152330-9cc3df9c3369 h1:LdeNAuOK4AXLJHz4NaoIMeHRnIm20XcFB2WNsJsW28I=
+github.com/pion/dtls/v2 v2.2.8-0.20231026152330-9cc3df9c3369/go.mod h1:EIeN+tzLNLpf7gk7mlFll+je4HBIe7iJWMP7FbOu8Ug=
+github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
+github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
+github.com/pion/transport/v3 v3.0.1 h1:gDTlPJwROfSfz6QfSi0ZmeCSkFcnWWiiR9ES0ouANiM=
+github.com/pion/transport/v3 v3.0.1/go.mod h1:UY7kiITrlMv7/IKgd5eTUcaahZx5oUN3l9SzK5f5xE0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/plgd-dev/go-coap/v3 v3.2.0 h1:O9YR7CIeDWyKZqZuDwOU6Bpz6iGh4An3L7mbQT93mw4=
+github.com/plgd-dev/go-coap/v3 v3.2.0/go.mod h1:O5P/Bja4MBeDw3SaNxf+9PNyfe80SHBIJKyWVwT0W5Y=
 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/raff/goble v0.0.0-20190909174656-72afc67d6a99/go.mod h1:CxaUhijgLFX0AROtH5mluSY71VqpjQBw9JXE2UKZmc4=
@@ -103,11 +119,16 @@ github.com/spf13/cobra v1.6.1/go.mod h1:IOw/AERYS7UzyrGinqmz6HLUo219MORXGxhbaJUq
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 h1:UyzmZLoiDWMRywV4DUYb9Fbt8uiOSooupjTq10vpvnU=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
 github.com/tklauser/go-sysconf v0.3.11/go.mod h1:GqXfhXY3kiPa0nAXPDIQIWzJbMCB7AmcWpGR8lSZfqI=
@@ -117,25 +138,40 @@ github.com/ugorji/go/codec v1.2.10/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZ
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yusufpapurcu/wmi v1.2.2/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
+golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
+golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
 golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
+golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
+golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
+golang.org/x/net v0.16.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
 golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
+golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -153,25 +189,32 @@ golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
 golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/term v0.13.0/go.mod h1:LTmsnFJwVN6bCy1rVCoS+qHT1HhALEFxKncY3WNNh4U=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

newtmgr/cli/interactive.go

@@ -54,6 +54,7 @@ func addObserver(path string, cl *nmcoap.Listener) *observeElem {
 	observerMtx.Lock()
 	defer observerMtx.Unlock()
 
+  fmt.Printf("my path:%s", path)
 	o := &observeElem{
 		Id:       ObserverId,
 		Path:     path,

newtmgr/cli/log.go

@@ -60,6 +60,35 @@ type logShowCfg struct {
 	Timestamp int64
 }
 
+type logNumEntriesCfg struct {
+	Name      string
+	Index     uint32
+}
+
+func logNumEntriesParseArgs(args []string) (*logNumEntriesCfg, error) {
+	cfg := &logNumEntriesCfg{}
+
+	if len(args) < 1 {
+		return cfg, nil
+	}
+	cfg.Name = args[0]
+
+	if len(args) < 2 {
+		cfg.Index = 0
+  } else {
+		u64, err := strconv.ParseUint(args[1], 0, 64)
+		if err != nil {
+			return nil, util.ChildNewtError(err)
+		}
+		if u64 > 0xffffffff {
+			return nil, util.NewNewtError("index out of range")
+		}
+		cfg.Index = uint32(u64)
+	}
+
+	return cfg, nil
+}
+
 func logShowParseArgs(args []string) (*logShowCfg, error) {
 	cfg := &logShowCfg{}
 
@@ -110,8 +139,8 @@ func printLogShowRsp(rsp *nmp.LogShowRsp, printHdr bool) {
 			fmt.Printf("Name: %s\n", log.Name)
 			fmt.Printf("Type: %s\n", nmp.LogTypeToString(log.Type))
 
-			fmt.Printf("%10s %22s | %16s %16s %6s %8s %s\n",
-				"[index]", "[timestamp]", "[module]", "[level]", "[type]",
+			fmt.Printf("%10s %10s %22s | %16s %16s %6s %8s %s\n",
+				"[num_entries]", "[index]", "[timestamp]", "[module]", "[level]", "[type]",
 				"[img]", "[message]")
 		}
 
@@ -145,7 +174,8 @@ func printLogShowRsp(rsp *nmp.LogShowRsp, printHdr bool) {
 				msgText = hex.EncodeToString(entry.Msg)
 			}
 
-			fmt.Printf("%10d %20dus | %16s %16s %6s %8s %s\n",
+			fmt.Printf("%10d %10d %20dus | %16s %16s %6s %8s %s\n",
+				entry.NumEntries,
 				entry.Index,
 				entry.Timestamp,
 				modText,
@@ -207,6 +237,20 @@ func logShowPartialCmd(s sesn.Sesn, cfg *logShowCfg) error {
 	return nil
 }
 
+func logNumEntriesCmd(cmd *cobra.Command, args []string) {
+	cfg, err := logNumEntriesParseArgs(args)
+	if err != nil {
+		nmUsage(cmd, err)
+	}
+
+	s, err := GetSesn()
+	if err != nil {
+		nmUsage(nil, err)
+	}
+
+  logNumEntriesProcCmd(s, cfg)
+}
+
 func logShowCmd(cmd *cobra.Command, args []string) {
 	cfg, err := logShowParseArgs(args)
 	if err != nil {
@@ -288,6 +332,33 @@ func logModuleListCmd(cmd *cobra.Command, args []string) {
 	}
 }
 
+func logNumEntriesProcCmd(s sesn.Sesn, cfg *logNumEntriesCfg) {
+	s, err := GetSesn()
+	if err != nil {
+		nmUsage(nil, err)
+	}
+
+	c := xact.NewLogNumEntriesCmd()
+	c.SetTxOptions(nmutil.TxOptions())
+	c.Name = cfg.Name
+	c.Index = cfg.Index
+
+	res, err := c.Run(s)
+	if err != nil {
+		nmUsage(nil, util.ChildNewtError(err))
+  }
+
+	sres := res.(*xact.LogNumEntriesResult)
+	if sres.Rsp.Rc != 0 {
+		fmt.Printf("error: %d\n", sres.Rsp.Rc)
+	  return;
+  }
+
+	fmt.Printf("Number of entries: %d\n", sres.Rsp.NumEntries)
+
+  return
+}
+
 func logLevelListCmd(cmd *cobra.Command, args []string) {
 	s, err := GetSesn()
 	if err != nil {
@@ -407,5 +478,13 @@ func logCmd() *cobra.Command {
 
 	logCmd.AddCommand(ListCmd)
 
+	NumEntriesCmd := &cobra.Command{
+		Use:   "num_entries [log-name [min-index]] -c <conn_profile>",
+		Short: "Show the number of entries from index for a particular log",
+		Run:   logNumEntriesCmd,
+	}
+
+	logCmd.AddCommand(NumEntriesCmd)
+
 	return logCmd
 }

nmxact/nmcoap/nmcoap.go

@@ -63,7 +63,7 @@ func (f RxFilterFunc) Filter(msg coap.Message) (coap.Message, error) {
 }
 
 type MsgParams struct {
-	Code    coap.COAPCode
+	Code    coap.Code
 	Uri     string
 	Observe ObserveCode
 	Token   []byte

nmxact/nmp/decode.go

@@ -66,6 +66,7 @@ func logListRspCtor() NmpRsp       { return NewLogListRsp() }
 func logModuleListRspCtor() NmpRsp { return NewLogModuleListRsp() }
 func logLevelListRspCtor() NmpRsp  { return NewLogLevelListRsp() }
 func logClearRspCtor() NmpRsp      { return NewLogClearRsp() }
+func logNumEntriesRspCtor() NmpRsp { return NewLogNumEntriesRsp() }
 func crashRspCtor() NmpRsp         { return NewCrashRsp() }
 func runTestRspCtor() NmpRsp       { return NewRunTestRsp() }
 func runListRspCtor() NmpRsp       { return NewRunListRsp() }
@@ -96,6 +97,7 @@ var rspCtorMap = map[Ogi]rspCtor{
 	{op_rr, gr_log, NMP_ID_LOG_MODULE_LIST}:  logModuleListRspCtor,
 	{op_rr, gr_log, NMP_ID_LOG_LEVEL_LIST}:   logLevelListRspCtor,
 	{op_wr, gr_log, NMP_ID_LOG_CLEAR}:        logClearRspCtor,
+	{op_rr, gr_log, NMP_ID_LOG_NUM_ENTRIES}:  logNumEntriesRspCtor,
 	{op_wr, gr_cra, NMP_ID_CRASH_TRIGGER}:    crashRspCtor,
 	{op_wr, gr_run, NMP_ID_RUN_TEST}:         runTestRspCtor,
 	{op_rr, gr_run, NMP_ID_RUN_LIST}:         runListRspCtor,

nmxact/nmp/defs.go

@@ -90,6 +90,7 @@ const (
 	NMP_ID_LOG_MODULE_LIST = 3
 	NMP_ID_LOG_LEVEL_LIST  = 4
 	NMP_ID_LOG_LIST        = 5
+	NMP_ID_LOG_NUM_ENTRIES = 6
 )
 
 // Crash group (5).

nmxact/nmp/log.go

@@ -130,13 +130,14 @@ type LogShowReq struct {
 }
 
 type LogEntry struct {
-	Index     uint32       `codec:"index"`
-	Timestamp int64        `codec:"ts"`
-	Module    uint8        `codec:"module"`
-	Level     uint8        `codec:"level"`
-	Type      LogEntryType `codec:"type"`
-	ImgHash   []byte       `codec:"imghash"`
-	Msg       []byte       `codec:"msg"`
+	NumEntries uint32       `codec:"num_entries"`
+	Index      uint32       `codec:"index"`
+	Timestamp  int64        `codec:"ts"`
+	Module     uint8        `codec:"module"`
+	Level      uint8        `codec:"level"`
+	Type       LogEntryType `codec:"type"`
+	ImgHash    []byte       `codec:"imghash"`
+	Msg        []byte       `codec:"msg"`
 }
 
 type LogShowLog struct {
@@ -166,6 +167,37 @@ func NewLogShowRsp() *LogShowRsp {
 
 func (r *LogShowRsp) Msg() *NmpMsg { return MsgFromReq(r) }
 
+//////////////////////////////////////////////////////////////////////////////
+// $NumEntries                                                              //
+//////////////////////////////////////////////////////////////////////////////
+
+type LogNumEntriesReq struct {
+	NmpBase `codec:"-"`
+	Name      string `codec:"log_name"`
+	Index     uint32 `codec:"index"`
+}
+
+type LogNumEntriesRsp struct {
+	NmpBase
+	Rc         int      `codec:"rc"`
+	NumEntries uint32   `codec:"num_entries"`
+}
+
+func NewLogNumEntriesReq() *LogNumEntriesReq {
+	r := &LogNumEntriesReq{}
+	fillNmpReq(r, NMP_OP_READ, NMP_GROUP_LOG, NMP_ID_LOG_NUM_ENTRIES)
+	return r
+}
+
+func (r *LogNumEntriesReq) Msg() *NmpMsg { return MsgFromReq(r) }
+
+func NewLogNumEntriesRsp() *LogNumEntriesRsp {
+	return &LogNumEntriesRsp{}
+}
+
+func (r *LogNumEntriesRsp) Msg() *NmpMsg { return MsgFromReq(r) }
+
+
 //////////////////////////////////////////////////////////////////////////////
 // $list                                                                    //
 //////////////////////////////////////////////////////////////////////////////