.github/workflows/ccpp.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v2
       with:
         submodules: "recursive"
     - name: deps

.github/workflows/docker.yml

@@ -9,15 +9,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v2
       - name: Checkout submodules
         run: git submodule update --init --recursive
-      - name: Set up docker qemu
-        id: qemu
-        uses: docker/setup-qemu-action@v4
       - name: Set up docker buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4
+        uses: crazy-max/ghaction-docker-buildx@v3
+        with:
+          buildx-version: latest
+          qemu-version: latest
       - name: Login to docker registry
         run: |
           docker login --username ${{ secrets.DOCKER_USERNAME }} --password ${{ secrets.DOCKER_TOKEN }}

Dockerfile

@@ -3,18 +3,18 @@
 #
 FROM debian:10-slim AS builder
 
-ENV DEBIAN_FRONTEND=noninteractive
-ENV LC_ALL=C.UTF-8
+ENV DEBIAN_FRONTEND noninteractive
+ENV LC_ALL C.UTF-8
 
 # This allows you to use a local Debian mirror
-ARG APT_URL=http://archive.debian.org/debian
+ARG APT_URL=http://deb.debian.org/debian/
 ARG MAKE_FLAGS=-j2
 
-RUN sed -i "s%http://deb.debian.org/debian%${APT_URL}%" /etc/apt/sources.list
-RUN apt-get update && apt-get -y upgrade \
+RUN sed -i "s%http://deb.debian.org/debian/%${APT_URL}%" /etc/apt/sources.list \
+    && apt-get update && apt-get -y upgrade \
     && apt-get install -y protobuf-compiler libh2o-dev libcurl4-openssl-dev \
            libssl-dev libprotobuf-dev libh2o-evloop-dev libwslay-dev \
-           libeigen3-dev libzstd-dev libfmt-dev libncurses-dev libfmt-dev \
+           libeigen3-dev libzstd-dev libfmt-dev libncurses-dev \
            make gcc g++ git build-essential curl autoconf automake help2man
 
 # Build
@@ -27,9 +27,6 @@ RUN cd /galmon-src/ \
 # Second stage - contains just the binaries
 #
 FROM debian:10-slim
-
-COPY --from=builder /etc/apt/sources.list /etc/apt/sources.list
-
 RUN apt-get update && apt-get -y upgrade \
     && apt-get install -y libcurl4 libssl1.1 libprotobuf17 libh2o-evloop0.13 \
            libncurses6 \
@@ -37,5 +34,5 @@ RUN apt-get update && apt-get -y upgrade \
     && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /galmon/ /galmon/
 ENV PATH=/galmon/bin:${PATH}
-ENV LC_ALL=C.UTF-8
+ENV LC_ALL C.UTF-8
 WORKDIR /galmon/bin

Makefile

@@ -39,11 +39,12 @@ navmon.pb.cc: navmon.proto
 	protoc --cpp_out=./ navmon.proto
 
 
+H2OPP=ext/powerblog/h2o-pp.o
 SIMPLESOCKETS=ext/powerblog/ext/simplesocket/swrappers.o ext/powerblog/ext/simplesocket/sclasses.o  ext/powerblog/ext/simplesocket/comboaddress.o 
 
 
 clean:
-	rm -f *~ *.o *.d ext/*/*.o ext/*/*.d $(PROGRAMS) navmon.pb.h navmon.pb.cc $(patsubst %.cc,%.o,$(wildcard ext/sgp4/libsgp4/*.cc))  $(SIMPLESOCKETS)
+	rm -f *~ *.o *.d ext/*/*.o ext/*/*.d $(PROGRAMS) navmon.pb.h navmon.pb.cc $(patsubst %.cc,%.o,$(wildcard ext/sgp4/libsgp4/*.cc)) $(H2OPP) $(SIMPLESOCKETS)
 	rm -f ext/sgp4/libsgp4/*.d ext/powerblog/ext/simplesocket/*.d
 
 help2man:
@@ -62,11 +63,21 @@ install: $(PROGRAMS) help2man
 	mkdir -p $(DESTDIR)$(prefix)$(htdocs)/galmon
 	cp -a html $(DESTDIR)$(prefix)$(htdocs)/galmon/
 
+download-debian-package:
+	apt-key adv --fetch-keys https://ota.bike/public-package-signing-keys/86E7F51C04FBAAB0.asc
+	echo "deb https://ota.bike/debian/ buster main" > /etc/apt/sources.list.d/galmon.list
+	apt-get update && apt-get install -y galmon
+
+download-raspbian-package:
+	apt-key adv --fetch-keys https://ota.bike/public-package-signing-keys/86E7F51C04FBAAB0.asc
+	echo "deb https://ota.bike/raspbian/ buster main" > /etc/apt/sources.list.d/galmon.list
+	apt-get update && apt-get install -y galmon
+
 decrypt: decrypt.o bits.o 
 	$(CXX) -std=gnu++17 $^ -o $@  -lfmt
 
-navparse: navparse.o $(SIMPLESOCKETS) minicurl.o ubx.o bits.o navmon.pb.o gps.o ephemeris.o beidou.o glonass.o $(patsubst %.cc,%.o,$(wildcard ext/sgp4/libsgp4/*.cc)) tle.o navmon.o coverage.o osen.o trkmeas.o influxpush.o ${EXTRADEP} githash.o sbas.o rtcm.o galileo.o
-	$(CXX) -std=gnu++17 $^ -o $@ -pthread -L/usr/local/lib -L/usr/local/opt/openssl/lib/  -lz  -lcurl -lprotobuf  -lfmt
+navparse: navparse.o $(H2OPP) $(SIMPLESOCKETS) minicurl.o ubx.o bits.o navmon.pb.o gps.o ephemeris.o beidou.o glonass.o $(patsubst %.cc,%.o,$(wildcard ext/sgp4/libsgp4/*.cc)) tle.o navmon.o coverage.o osen.o trkmeas.o influxpush.o ${EXTRADEP} githash.o sbas.o rtcm.o galileo.o
+	$(CXX) -std=gnu++17 $^ -o $@ -pthread -L/usr/local/lib -L/usr/local/opt/openssl/lib/  -lh2o-evloop -lssl -lcrypto -lz  -lcurl -lprotobuf  $(WSLAY) -lfmt
 
 reporter: reporter.o  $(SIMPLESOCKETS) minicurl.o ubx.o bits.o navmon.pb.o gps.o ephemeris.o beidou.o glonass.o $(patsubst %.cc,%.o,$(wildcard ext/sgp4/libsgp4/*.cc)) tle.o navmon.o coverage.o osen.o githash.o influxpush.o 
 	$(CXX) -std=gnu++17 $^ -o $@ -pthread -L/usr/local/lib -lprotobuf -lcurl -lfmt

README.md

@@ -82,20 +82,27 @@ receiver-only tools.
 To build everything, including the webserver, try:
 
 ```
-apt-get install protobuf-compiler libcurl4-openssl-dev libssl-dev libprotobuf-dev \
-libncurses5-dev libeigen3-dev libzstd-dev g++ libfmt-dev
+apt-get install protobuf-compiler libh2o-dev libcurl4-openssl-dev libssl-dev libprotobuf-dev \
+libh2o-evloop-dev libwslay-dev libncurses5-dev libeigen3-dev libzstd-dev g++ libfmt-dev
 git clone https://github.com/berthubert/galmon.git --recursive
 cd galmon
 make
 ```
 
+If this doesn't succeed with an error about h2o, make sure you have this
+library installed. If you get an error about 'wslay', do the following, and run make again:
+
+```
+echo WSLAY=-lwslay > Makefile.local
+```
+
 Building on OSX
 ---------------
 With thanks to a contributor from Prague.  First make sure you've installed
 brew, which you can get [here](https://brew.sh/). Then do:
 
 ```
-brew install protobuf lzlib zstd eigen
+brew install protobuf lzlib zstd h2o eigen
 ```
 
 And then:
@@ -321,7 +328,7 @@ Documents
  * [GLONASS CDMA](http://russianspacesystems.ru/wp-content/uploads/2016/08/ICD-GLONASS-CDMA-General.-Edition-1.0-2016.pdf)
    not actually relevant for the CDMA aspects, but has appendices on more
    precise orbit determinations.
- * [GPS](https://www.navcen.uscg.gov/sites/default/files/pdf/gps/IS-GPS-200N.pdf)
+ * [GPS](https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf)
  * [U-blox 8 interface specification](https://www.u-blox.com/sites/default/files/products/documents/u-blox8-M8_ReceiverDescrProtSpec_%28UBX-13003221%29_Public.pdf)
  * [U-blox 9 interface specification](https://www.u-blox.com/sites/default/files/u-blox_ZED-F9P_InterfaceDescription_%28UBX-18010854%29.pdf)
  * [U-blox 10 interface  specification](https://content.u-blox.com/sites/default/files/documents/u-blox-F10-SPG-6.00_InterfaceDescription_UBX-23002975.pdf)

beidou.cc

@@ -1,8 +1,6 @@
 #include "beidou.hh"
 #include "bits.hh"
 #include <iostream>
-#include <vector>
-#include "navmon.hh"
 
 using namespace std;
 
@@ -31,7 +29,7 @@ static int checkbds(int bits)
   return 1;
 }
 
-std::vector<uint8_t> getCondensedBeidouMessage(const std::vector<uint8_t>& payload)
+std::basic_string<uint8_t> getCondensedBeidouMessage(std::basic_string_view<uint8_t> payload)
 {
 
   // payload consists of 32 bit words where we have to ignore the first 2 bits of every word
@@ -58,7 +56,7 @@ std::vector<uint8_t> getCondensedBeidouMessage(const std::vector<uint8_t>& paylo
     setbitu(buffer, 26+22*(w-1), 22, getbitu(&payload[0], 2 + w*32, 22));
   }
 
-  return makeVec(buffer, 28);
+  return std::basic_string<uint8_t>(buffer, 28);
 }
 
 

beidou.hh

@@ -4,10 +4,9 @@
 #include "bits.hh"
 #include <math.h>
 #include <stdexcept>
-#include <vector>
 #include "ephemeris.hh"
 
-std::vector<uint8_t> getCondensedBeidouMessage(const std::vector<uint8_t>& payload);
+std::basic_string<uint8_t> getCondensedBeidouMessage(std::basic_string_view<uint8_t> payload);
 int beidouBitconv(int their);
 
 /* Geostationary, so D2, so not to be parsed by this parser:
@@ -22,7 +21,7 @@ struct BeidouMessage : GPSLikeEphemeris
 {
   uint8_t strtype;
 
-  std::vector<uint8_t> g_cond;
+  std::basic_string_view<uint8_t> g_cond;
   int bbitu(int bit, int len)
   {
     return getbitu(&g_cond[0], beidouBitconv(bit), len);
@@ -35,7 +34,7 @@ struct BeidouMessage : GPSLikeEphemeris
   
   int fraid{-1}, sow{-1}; // part of every message (thanks!)
   
-  int parse(const std::vector<uint8_t>& cond, uint8_t* pageno)
+  int parse(std::basic_string_view<uint8_t> cond, uint8_t* pageno)
   {
     g_cond = cond;
     if(pageno)
@@ -90,7 +89,7 @@ struct BeidouMessage : GPSLikeEphemeris
     return {factor * cur, factor * trend};
   }
   
-  void parse1(const std::vector<uint8_t>& cond)
+  void parse1(std::basic_string_view<uint8_t> cond)
   {
     sath1 = bbitu(43,1);
     aodc = bbitu(31+13, 5);
@@ -125,7 +124,7 @@ struct BeidouMessage : GPSLikeEphemeris
     return -1;
   }
   
-  void parse2(const std::vector<uint8_t>& cond)
+  void parse2(std::basic_string_view<uint8_t> cond)
   {
     deltan = bbits(43, 16);
     cuc = bbits(67, 18);
@@ -152,7 +151,7 @@ struct BeidouMessage : GPSLikeEphemeris
   double getOmega0()    const { return ldexp(Omega0 * M_PI,   -31);   } // radians
   double getIdot()      const { return ldexp(idot * M_PI,     -43);   } // radians/s
   double getOmega()     const { return ldexp(omega * M_PI,    -31);   } // radians
-  void parse3(const std::vector<uint8_t>& cond)
+  void parse3(std::basic_string_view<uint8_t> cond)
   {
     t0eLSB = bbitu(43, 15);
     i0 = bbits(66, 32);
@@ -208,7 +207,7 @@ struct BeidouMessage : GPSLikeEphemeris
   } alma;
   
   // 4 is all almanac
-  int parse4(const std::vector<uint8_t>& cond)
+  int parse4(std::basic_string_view<uint8_t> cond)
   {
     alma.sqrtA = bbitu(51, 24);
     alma.a1 = bbits(91, 11);
@@ -255,7 +254,7 @@ struct BeidouMessage : GPSLikeEphemeris
   }
 
   
-  int parse5(const std::vector<uint8_t>& cond)
+  int parse5(std::basic_string_view<uint8_t> cond)
   {
     alma.pageno = bbitu(44, 7);
     if(alma.pageno == 9) {

fixhunter.cc

@@ -6,7 +6,7 @@
 #include "galileo.hh"
 using namespace std;
 
-void FixHunter::reportInav(const vector<uint8_t>& inav, int32_t gst)
+void FixHunter::reportInav(const basic_string<uint8_t>& inav, int32_t gst)
 {
   int wtype = getbitu(&inav[0], 0, 6);
 
@@ -181,7 +181,7 @@ void FixHunter::tryFix(int32_t gst)
 struct GalileoMessage FixHunter::fillGMFromRS(const std::string& out)
 {
   // we need to reconstruct words 1, 2, 3 and 4 and feed them to the parser
-  vector<uint8_t> inav[5];
+  basic_string<uint8_t> inav[5];
   string inavraw[5];
   inavraw[4] = out.substr(0, 14); 
   inavraw[3] = out.substr(14, 14);
@@ -198,7 +198,7 @@ struct GalileoMessage FixHunter::fillGMFromRS(const std::string& out)
   for(int n=0; n < 14; ++n)
     setbitu(tmp, 16 + n*8, 8, getbitu((unsigned char*) inavraw[1].c_str(), 16 + n*8, 8));
 
-  inav[1]= makeVec(tmp, 16);
+  inav[1].assign(tmp, 16);
 
   struct GalileoMessage gm={};
   gm.parse(inav[1]);
@@ -210,7 +210,7 @@ struct GalileoMessage FixHunter::fillGMFromRS(const std::string& out)
     setbitu(tmp, 6, 10, getbitu((unsigned char*) inav[1].c_str(), 6, 10)); // fake in IOD from inav1
     for(int n=0; n < 14; ++n)
       setbitu(tmp, 16 + n*8, 8, getbitu((unsigned char*) inavraw[i].c_str(), n*8, 8));
-    inav[i]= makeVec(tmp, 16);
+    inav[i].assign(tmp, 16);
     gm.parse(inav[i]);
     cout<<"wtype: "<<(int)gm.wtype<<", iod "<<gm.iodnav<<endl;
   }

fixhunter.hh

@@ -5,11 +5,11 @@
 class FixHunter
 {
 public:
-  void reportInav(const std::vector<uint8_t>& inav, int32_t gst);
+  void reportInav(const std::basic_string<uint8_t>& inav, int32_t gst);
 private:
   void tryFix(int32_t gst);
   struct GalileoMessage fillGMFromRS(const std::string& out);
-  std::vector<uint8_t> inav1, inav2, inav3, inav4, inav16, inav17, inav18, inav19, inav20;
+  std::basic_string<uint8_t> inav1, inav2, inav3, inav4, inav16, inav17, inav18, inav19, inav20;
   int d_latestiod;
   uint32_t d_inav16t0r;
 };

galileo.cc

@@ -1,7 +1,7 @@
 #include "bits.hh"
 #include "galileo.hh"
 
-bool getTOWFromInav(const std::vector<uint8_t>& inav, uint32_t *satTOW, uint16_t *wn)
+bool getTOWFromInav(std::basic_string_view<uint8_t> inav, uint32_t *satTOW, uint16_t *wn)
 {
   unsigned int wtype = getbitu(&inav[0], 0, 6);
   if(wtype==0) {
@@ -25,7 +25,7 @@ bool getTOWFromInav(const std::vector<uint8_t>& inav, uint32_t *satTOW, uint16_t
   return false;
 }
 
-int GalileoMessage::parseFnav(const std::vector<uint8_t>& page)
+int GalileoMessage::parseFnav(std::basic_string_view<uint8_t> page)
 {
   const uint8_t* ptr = &page[0];
   int offset=0;

galileo.hh

@@ -7,13 +7,13 @@
 #include "ephemeris.hh"
 #include "bits.hh"
 
-bool getTOWFromInav(const std::vector<uint8_t>& inav, uint32_t *satTOW, uint16_t *wn);
+bool getTOWFromInav(std::basic_string_view<uint8_t> inav, uint32_t *satTOW, uint16_t *wn);
 
 struct GalileoMessage : GPSLikeEphemeris
 {
   uint8_t wtype;
 
-  typedef void (GalileoMessage::*func_t)(const std::vector<uint8_t>& page);
+  typedef void (GalileoMessage::*func_t)(std::basic_string_view<uint8_t> page);
   std::map<int, func_t> parsers{
     {0, &GalileoMessage::parse0},
     {1, &GalileoMessage::parse1},
@@ -34,7 +34,7 @@ struct GalileoMessage : GPSLikeEphemeris
   };
 
   
-  int parse(const std::vector<uint8_t>& page)
+  int parse(std::basic_string_view<uint8_t> page)
   {
     wtype = getbitu(&page[0], 0, 6);
     if(!parsers.count(wtype)) {
@@ -46,7 +46,7 @@ struct GalileoMessage : GPSLikeEphemeris
     return wtype;
   }
 
-  int parseFnav(const std::vector<uint8_t>& page);
+  int parseFnav(std::basic_string_view<uint8_t> page);
   
   uint8_t sparetime{0};
   uint16_t wn{0};  
@@ -58,7 +58,7 @@ struct GalileoMessage : GPSLikeEphemeris
 
   
   // spare word, only contains a WN and a TOW, but only if the 'time' field is set to 2
-  void parse0(const std::vector<uint8_t>& page)
+  void parse0(std::basic_string_view<uint8_t> page)
   {
     sparetime = getbitu(&page[0], 6, 2);
     if(sparetime == 2) {
@@ -164,7 +164,7 @@ struct GalileoMessage : GPSLikeEphemeris
 
   
   // an ephemeris word
-  void parse1(const std::vector<uint8_t>& page)
+  void parse1(std::basic_string_view<uint8_t> page)
   {
     iodnav = getbitu(&page[0], 6, 10);
     t0e = getbitu(&page[0],   16, 14); 
@@ -174,7 +174,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // another ephemeris word
-  void parse2(const std::vector<uint8_t>& page)
+  void parse2(std::basic_string_view<uint8_t> page)
   {
     iodnav = getbitu(&page[0], 6, 10);
     omega0 = getbits(&page[0], 16, 32);
@@ -184,7 +184,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // yet another ephemeris word
-  void parse3(const std::vector<uint8_t>& page)
+  void parse3(std::basic_string_view<uint8_t> page)
   {
     iodnav = getbitu(&page[0], 6, 10);
     omegadot = getbits(&page[0], 16, 24);
@@ -264,7 +264,7 @@ struct GalileoMessage : GPSLikeEphemeris
 
   
   // can't get enough of that ephemeris
-  void parse4(const std::vector<uint8_t>& page)
+  void parse4(std::basic_string_view<uint8_t> page)
   {
     iodnav = getbitu(&page[0], 6, 10);
     cic = getbits(&page[0], 22, 16);
@@ -277,7 +277,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // ionospheric disturbance, health, group delay, time
-  void parse5(const std::vector<uint8_t>& page)
+  void parse5(std::basic_string_view<uint8_t> page)
   {
     ai0 = getbitu(&page[0], 6, 11);
     ai1 = getbits(&page[0], 17, 11); // ai1 & 2 are signed, 0 not
@@ -300,7 +300,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // time stuff
-  void parse6(const std::vector<uint8_t>& page)
+  void parse6(std::basic_string_view<uint8_t> page)
   {
     a0 = getbits(&page[0], 6, 32);
     a1 = getbits(&page[0], 38, 24);
@@ -315,7 +315,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // almanac
-  void parse7(const std::vector<uint8_t>& page)
+  void parse7(std::basic_string_view<uint8_t> page)
   {
     iodalmanac = getbitu(&page[0], 6, 4);
     alma1.wnalmanac = wnalmanac = getbitu(&page[0], 10, 2);
@@ -331,7 +331,7 @@ struct GalileoMessage : GPSLikeEphemeris
     
   }
   // almanac
-  void parse8(const std::vector<uint8_t>& page)
+  void parse8(std::basic_string_view<uint8_t> page)
   {
     iodalmanac = getbitu(&page[0], 6, 4);
     alma1.af0 = getbits(&page[0], 10, 16);
@@ -350,7 +350,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // almanac
-  void parse9(const std::vector<uint8_t>& page)
+  void parse9(std::basic_string_view<uint8_t> page)
   {
     iodalmanac = getbitu(&page[0], 6, 4);
     alma2.wnalmanac = wnalmanac = getbitu(&page[0], 10, 2);
@@ -371,7 +371,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // almanac + more time stuff (GPS)
-  void parse10(const std::vector<uint8_t>& page)
+  void parse10(std::basic_string_view<uint8_t> page)
   {
     iodalmanac = getbitu(&page[0], 6, 4);
     alma3.Omega0 = getbits(&page[0], 10, 16);
@@ -391,7 +391,7 @@ struct GalileoMessage : GPSLikeEphemeris
 
 
   // reduced clock and ephemeris data (redced)
-  void parse16(const std::vector<uint8_t>& page)
+  void parse16(std::basic_string_view<uint8_t> page)
   {
     deltaAred = getbits(&page[0], 6,    5);
     exred = getbits(&page[0], 11,      13);
@@ -404,7 +404,7 @@ struct GalileoMessage : GPSLikeEphemeris
   }
 
   // reed-solomon data
-  void parseRS(const std::vector<uint8_t>& page)
+  void parseRS(std::basic_string_view<uint8_t> page)
   {
     // see 5.1.13.2 of the Galileo SIS ICD 2.0
     rs2bitiod = getbitu(&page[0], 6+8, 2);

galmonmon.cc

@@ -4,12 +4,11 @@
 #include "navmon.hh"
 #include "fmt/format.h"
 #include "fmt/printf.h"
-
+#include "ext/powerblog/h2o-pp.hh"
 #include <variant>
 
 #include "CLI/CLI.hpp"
 #include "version.hh"
-#include <nlohmann/json.hpp>
 
 static char program[]="galmonmon";
 

glonass.cc

@@ -3,7 +3,6 @@
 #include <string.h>
 #include <chrono>
 #include <iostream>
-#include "navmon.hh"
 using std::cout;
 using std::endl;
 
@@ -13,7 +12,7 @@ static const double J2 = 1082625.75E-9;                 // IERS: 1.0826359
 static const double oe = 7.2921151467E-5; // rad/s	// IERS: 7.292115
 
 // this strips out spare bits + parity, and leaves 10 clean 24 bit words
-std::vector<uint8_t> getGlonassMessage(const std::vector<uint8_t>& payload)
+std::basic_string<uint8_t> getGlonassMessage(std::basic_string_view<uint8_t> payload)
 {
   uint8_t buffer[4*4];
 
@@ -21,7 +20,7 @@ std::vector<uint8_t> getGlonassMessage(const std::vector<uint8_t>& payload)
     setbitu(buffer, 32*w, 32, getbitu(&payload[0],  w*32, 32));
   }
 
-  return makeVec(buffer, 16);
+  return std::basic_string<uint8_t>(buffer, 16);
   
 }
 

glonass.hh

@@ -5,16 +5,14 @@
 #include <iostream>
 #include <math.h>
 #include <stdint.h>
-#include <vector>
-
 #include "minivec.hh"
-std::vector<uint8_t> getGlonassessage(const std::vector<uint8_t>& payload);
+std::basic_string<uint8_t> getGlonassessage(std::basic_string_view<uint8_t> payload);
 
 struct GlonassMessage
 {
   uint8_t strtype;
 
-  int parse(const std::vector<uint8_t>& gstr)
+  int parse(std::basic_string_view<uint8_t> gstr)
   {
     strtype = getbitu(&gstr[0], 1, 4);
     if(strtype == 1) {
@@ -62,7 +60,7 @@ struct GlonassMessage
   
   double getRadius() { return sqrt(getX()*getX() + getY()*getY() + getZ()*getZ()); }
    
-  void parse1(const std::vector<uint8_t>& gstr)
+  void parse1(std::basic_string_view<uint8_t> gstr)
   {
     hour = getbitu(&gstr[0], 9, 5);
     minute = getbitu(&gstr[0], 14, 6);
@@ -80,7 +78,7 @@ struct GlonassMessage
      An interval is 15 minutes long, plus a spacer of length described by P1. If P1 is zero, there is no spacer.
   */
   
-  void parse2(const std::vector<uint8_t>& gstr)
+  void parse2(std::basic_string_view<uint8_t> gstr)
   {
     Bn = getbitu(&gstr[0], 85-80, 3); // Health bit, only look at MSB, ignore the rest. 0 is ok.
     Tb = getbitu(&gstr[0], 85-76, 7); 
@@ -95,7 +93,7 @@ struct GlonassMessage
   bool l_n;
   bool P, P3;
   uint16_t gamman;
-  void parse3(const std::vector<uint8_t>& gstr)
+  void parse3(std::basic_string_view<uint8_t> gstr)
   {
     z   = getbitsglonass(&gstr[0], 85-35, 27); // 2^-11
     dz  = getbitsglonass(&gstr[0], 85-64, 24); // 2^-20
@@ -123,7 +121,7 @@ struct GlonassMessage
     return 1000*ldexp(1000000.0*taun, -30); 
   }
   
-  void parse4(const std::vector<uint8_t>& gstr)
+  void parse4(std::basic_string_view<uint8_t> gstr)
   {
     NT = getbitu(&gstr[0], 85-26, 11);
     FT = getbitu(&gstr[0], 85-33, 4);
@@ -159,7 +157,7 @@ struct GlonassMessage
   int32_t taugps;
   int32_t tauc;
   
-  void parse5(const std::vector<uint8_t>& gstr)
+  void parse5(std::basic_string_view<uint8_t> gstr)
   {
     n4=getbitu(&gstr[0], 85-36, 5);
     taugps = getbitsglonass(&gstr[0], 85-31, 22);
@@ -177,7 +175,7 @@ struct GlonassMessage
     return ldexp(tlambdana, -5);
   }
   
-  void parse7_9_11_13_15(const std::vector<uint8_t>& gstr)
+  void parse7_9_11_13_15(std::basic_string_view<uint8_t> gstr)
   {
     l_n = getbitu(&gstr[0], 85 - 9, 1);
     omegana = getbitsglonass(&gstr[0], 85-80, 16);
@@ -209,7 +207,7 @@ struct GlonassMessage
     return M_PI*63.0/180  + ldexp(M_PI* deltaina, -20);
   }
   
-  void parse6_8_10_12_14(const std::vector<uint8_t>& gstr)
+  void parse6_8_10_12_14(std::basic_string_view<uint8_t> gstr)
   {
     CnA = getbitu(&gstr[0], 85-80, 1);
     nA = getbitu(&gstr[0], 85-77, 5);

gps.cc

@@ -1,7 +1,7 @@
 #include "gps.hh"
 
 // this strips out spare bits + parity, and leaves 10 clean 24 bit words
-std::vector<uint8_t> getCondensedGPSMessage(const std::vector<uint8_t>& payload)
+std::basic_string<uint8_t> getCondensedGPSMessage(std::basic_string_view<uint8_t> payload)
 {
   uint8_t buffer[10*24/8];
 
@@ -10,11 +10,12 @@ std::vector<uint8_t> getCondensedGPSMessage(const std::vector<uint8_t>& payload)
     setbitu(buffer, 24*w, 24, getbitu(&payload[0], 2 + w*32, 24));
   }
 
-  return std::vector<uint8_t>(buffer, buffer+30);
+  return std::basic_string<uint8_t>(buffer, 30);
+  
 }
 
 // expects input as 24 bit read to to use messages, returns frame number
-int GPSState::parseGPSMessage(const std::vector<uint8_t>& cond, uint8_t* pageptr)
+int GPSState::parseGPSMessage(std::basic_string_view<uint8_t> cond, uint8_t* pageptr)
 {
   using namespace std;
   int frame = getbitu(&cond[0], 24+19, 3);
@@ -38,8 +39,6 @@ int GPSState::parseGPSMessage(const std::vector<uint8_t>& cond, uint8_t* pageptr
     wn = 2048 + getbitu(&cond[0], 2*24, 10);
     ura = getbitu(&cond[0], 2*24+12, 4);
     gpshealth = getbitu(&cond[0], 2*24+16, 6);
-    iodc = getbitu(&cond[0], 2*24 +22, 2) * 256;
-    iodc += getbitu(&cond[0], 7*24, 8);
     
     //    cerr<<"GPS Week Number: "<< wn <<", URA: "<< (int)ura<<", health: "<<
     //      (int)gpshealth <<endl;

gps.hh

@@ -6,9 +6,8 @@
 #include <iostream>
 #include <math.h>
 #include "ephemeris.hh"
-#include <vector>
 
-std::vector<uint8_t> getCondensedGPSMessage(const std::vector<uint8_t>& payload);
+std::basic_string<uint8_t> getCondensedGPSMessage(std::basic_string_view<uint8_t> payload);
 
 
 struct GPSAlmanac :  GPSLikeEphemeris
@@ -134,17 +133,15 @@ struct GPSState :  GPSLikeEphemeris
   uint16_t wnLSF{0};
   uint8_t dn; // leap second day number
   //   1  2^-31 2^-43 2^-55   16 second
-  int iodc;
   int ura;
 
-  
   int gpsiod{-1};
 
   int getIOD() const
   {
     return gpsiod;
   }
-  int parseGPSMessage(const std::vector<uint8_t>& cond, uint8_t* pageptr=0);
+  int parseGPSMessage(std::basic_string_view<uint8_t> cond, uint8_t* pageptr=0);
 };
 
 template<typename T>

gpscnav.hh

@@ -1,7 +1,6 @@
 #pragma once
 #include <bitset>
 #include <string>
-#include <vector>
 #include <map>
 #include "bits.hh"
 #include <iostream>
@@ -186,7 +185,7 @@ std::pair<double, double> getGPSCNavUTCOffset(int tow, int wn, const T& eph)
 
 
 template<typename T>
-int parseGPSCNavMessage(const std::vector<uint8_t>& msg, T& out)
+int parseGPSCNavMessage(std::basic_string_view<uint8_t> msg, T& out)
 {
   using namespace std;
   int type = getbitu(&msg[0], 14, 6);

html/doalles.js

@@ -1,5 +1,7 @@
 var repeat;
 
+moment.relativeTimeThreshold('m', 120);
+
 function maketable(str, arr)
 {
     var table=d3.select(str);
@@ -102,7 +104,8 @@ function maketable(str, arr)
 
                     
                     if(row[column] != null) {
-                        ret.value = row[column].toFixed(0) + " minutes ago";
+                        var b = moment.duration(-row[column], 'm');
+                        ret.value = b.humanize(true);
                     }
                     else
                         ret.value="";
@@ -150,11 +153,8 @@ function maketable(str, arr)
                 }
 
                 else if(column == "last-seen-s") {
-		    var seconds = row[column].toFixed(0);
-		    if(seconds < 30) 
-			ret.value = "a few seconds ago";
-		    else
-			ret.value = (seconds/60) + " minutes ago";
+                    var b = moment.duration(row[column], 's');
+                    ret.value = b.humanize();
                 }
                 else if(column == "best-tle") {
                     ret.value = "<small>"+row[column]+"</small>";
@@ -351,14 +351,9 @@ function update()
         str += ", "+d["leap-seconds"]+"</b> leap seconds (GPS/Galileo)";
         
         d3.select('#facts').html(str);
-        var ageSeconds = (Date.now() - 1000*d["last-seen"])/1000;
-	var ageString;
-	if(ageSeconds < 60)
-	    ageString = "a few seconds ago";
-	else
-	    ageString = (ageSeconds/60).toFixed(0) +" minutes ago";
+        lastseen = moment(1000*d["last-seen"]);
+        d3.select("#freshness").html(lastseen.fromNow());
 
-        d3.select("#freshness").html(ageString);
 
         str = d["total-live-receivers"]+" receivers active, tracking ";
         str += d["total-live-svs"] + " satellites via " ;