Reduce amount of log output at level=debug.

[flightgear.git] / src / Main / metar_main.cxx

diff --git a/src/Main/metar_main.cxx b/src/Main/metar_main.cxx
index c5ee10d7566875d4ed910dc4777c66dfb360431e..40883409ed609a5a29396f44d8dfd90fa61e20a1 100644 (file)
--- a/src/Main/metar_main.cxx
+++ b/src/Main/metar_main.cxx
@@ -16,19 +16,72 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
-// Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
 #include <iomanip>
 #include <sstream>
+#include <iostream>
 #include <string.h>
+#include <time.h>
+#include <cstdlib>
+#include <cstdio>
+
+#include <boost/algorithm/string.hpp>
 
 #include <simgear/debug/logstream.hxx>
 #include <simgear/environment/metar.hxx>
 #include <simgear/structure/exception.hxx>
 
+#include <simgear/io/HTTPClient.hxx>
+#include <simgear/io/HTTPRequest.hxx>
+#include <simgear/io/raw_socket.hxx>
+#include <simgear/timing/timestamp.hxx>
+
 using namespace std;
+using namespace simgear;
+
+class MetarRequest : public HTTP::Request
+{
+public:
+    bool complete;
+    bool failed;
+    string metarData;
+    bool fromProxy;
+    
+    MetarRequest(const std::string& stationId) : 
+        HTTP::Request("http://weather.noaa.gov/pub/data/observations/metar/stations/" + boost::to_upper_copy(stationId) + ".TXT"),
+        complete(false),
+        failed(false)
+    {
+        fromProxy = false;
+    }
+    
+protected:
+    
+    virtual void responseHeader(const string& key, const string& value)
+    {
+        if (key == "x-metarproxy") {
+            fromProxy = true;
+        }
+    }
+
+    virtual void gotBodyData(const char* s, int n)
+    {
+        metarData += string(s, n);
+    }
+
+    virtual void responseComplete()
+    {
+        if (responseCode() == 200) {
+            complete = true;
+        } else {
+            SG_LOG(SG_ENVIRONMENT, SG_WARN, "metar download failed:" << url() << ": reason:" << responseReason());
+            failed = true;
+        }
+    }
+};
 
 // text color
 #if defined(__linux__) || defined(__sun) || defined(__CYGWIN__) \
@@ -75,7 +128,7 @@ const char *azimuthName(double d)
 double rnd(double r, int g = 0)
 {
        double f = pow(10.0, g);
-       return f * rint(r / f);
+       return f * floor(r / f + 0.5);
 }
 
 
@@ -279,7 +332,7 @@ void printReport(SGMetar *m)
                        surface.push_back(buf);
                }
 
-               if (surface.size()) {
+               if (! surface.empty()) {
                        vector<string>::iterator rwysurf = surface.begin();
                        for (i = 0; rwysurf != surface.end(); rwysurf++, i++) {
                                if (i)
@@ -498,6 +551,11 @@ int main(int argc, char *argv[])
        string proxy_host, proxy_port;
        getproxy(proxy_host, proxy_port);
 
+  Socket::initSockets();
+  
+    HTTP::Client http;
+    http.setProxy(proxy_host, atoi(proxy_port.c_str()));
+    
        for (int i = 1; i < argc; i++) {
                if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))
                        usage();
@@ -522,7 +580,25 @@ int main(int argc, char *argv[])
                        }
 
                        try {
-                               SGMetar *m = new SGMetar(argv[i], proxy_host, proxy_port, "", time(0));
+                MetarRequest* mr = new MetarRequest(argv[i]);
+                HTTP::Request_ptr own(mr);
+                http.makeRequest(mr);
+                
+            // spin until the request completes, fails or times out
+                SGTimeStamp start(SGTimeStamp::now());
+                while (start.elapsedMSec() <  8000) {
+                    http.update();
+                    if (mr->complete || mr->failed) {
+                        break;
+                    }
+                    SGTimeStamp::sleepForMSec(1);
+                }
+                
+                if (!mr->complete) {
+                    throw sg_io_exception("metar download failed (or timed out)");
+                }
+                               SGMetar *m = new SGMetar(mr->metarData);
+                               
                                //SGMetar *m = new SGMetar("2004/01/11 01:20\nLOWG 110120Z AUTO VRB01KT 0050 1600N R35/0600 FG M06/M06 Q1019 88//////\n");
 
                                if (verbose) {