From a6bba5173d517b164c3510872ed908ad66244a3d Mon Sep 17 00:00:00 2001
From: Jan-Tarek Butt <buttjantarek@googlemail.com>
Date: Mon, 7 Sep 2015 14:39:00 +0200
Subject: [PATCH] add lwtrace source code
---
lwtrace/src/Makefile | 19 ++++++
lwtrace/src/trace.c | 136 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 155 insertions(+)
create mode 100755 lwtrace/src/Makefile
create mode 100755 lwtrace/src/trace.c
diff --git a/lwtrace/src/Makefile b/lwtrace/src/Makefile
new file mode 100755
index 0000000..ba12eb9
--- /dev/null
+++ b/lwtrace/src/Makefile
@@ -0,0 +1,19 @@
+STRIP=strip
+
+CC = $(CC)
+CFLAGS = -Wall -O2 -g0 -DNDEBUG -DENV_LINUX -D_REENTRANT -DNDEBUG -L/usr/lib -L/usr/local/lib/ -I.
+
+LDFLAGS = -L. -lwlocate -lm
+
+PNAME=lwtrace
+
+OBJ = trace.o
+SRC = trace.c
+
+all: $(OBJ)
+ $(CC) $(CFLAGS) -o $(PNAME) $(OBJ) $(LDFLAGS)
+ $(STRIP) $(PNAME)
+
+clean:
+ rm -f *.o
+ rm -f $(PNAME)
diff --git a/lwtrace/src/trace.c b/lwtrace/src/trace.c
new file mode 100755
index 0000000..6badb7c
--- /dev/null
+++ b/lwtrace/src/trace.c
@@ -0,0 +1,136 @@
+/**
+ * test for libwlocate - WLAN-based location service
+ * Copyright (C) 2010-2015 Oxygenic/VWP virtual_worlds(at)gmx.de
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "libwlocate.h"
+
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <stdio.h>
+#include <stddef.h>
+
+#ifdef ENV_LINUX
+#include <unistd.h>
+#endif
+
+#ifdef ENV_WINDOWS
+#include <windows.h>
+#endif
+
+
+
+char notEqual(struct wloc_req *data1,struct wloc_req *data2,int num)
+{
+ int i,j;
+
+ for (i=0; i<num; i++)
+ {
+ for (j=0; j<6; j++)
+ {
+ if (data1->bssids[i][j]!=data2->bssids[i][j]) return 1;
+ }
+ }
+ return 0;
+}
+
+
+
+int main(int argc,char *argv[])
+{
+ int ret,i,cnt=0,prevCnt=0;
+ double lat,lon;
+ char quality;
+ short ccode;
+ char country[3];
+ FILE *FHandle;
+ struct wloc_req request,prevRequest;
+ unsigned char empty_bssid[6]={0,0,0,0,0,0};
+ unsigned char empty_signal=0;
+
+#ifdef ENV_WINDOWS
+ WSADATA wsaData;
+
+ WSAStartup((MAKEWORD(1, 1)), &wsaData);
+#endif
+
+ if ((argc>1) && (strncmp(argv[1],"-h",2)==0)) // test WLAN geolocation instead of writing the WLAN data into a trace file
+ {
+ printf("lwtrace\n\tscan available WLAN networks, and write them into a file libwlocate.trace for later geolocation\n");
+ printf("lwtrace -t\n\ttest geolocation functionality and evaluate the current position out of available WLAN data immediately\n");
+ }
+ else if ((argc>1) && (strncmp(argv[1],"-t",2)==0)) // test WLAN geolocation instead of writing the WLAN data into a trace file
+ {
+ ret=wloc_get_location_from("openwifi.su",&lat,&lon,&quality,&ccode); // call the library function to get the position...
+ //...check the return value afterwards...
+ if (ret==WLOC_CONNECTION_ERROR) printf("Error: could not communicate with server!\n");
+ else if (ret==WLOC_LOCATION_ERROR) printf("Error: could not calculate your location, the given WLAN networks are unknown!\n");
+ //...and print the position only in case the call was successful
+ else if (ret==WLOC_OK)
+ {
+ printf("Your location: %f (lat) %f (lon)\nQuality: %d %%\n",lat,lon,quality);
+ country[2]=0;
+ if (wloc_get_country_from_code(ccode,country)==WLOC_OK) printf("Country: %d - %s\n",ccode,country);
+ else printf("Country: unknown\n");
+ }
+ else printf("Error: failed due to an unknown error %d!\n",ret);
+ }
+ else
+ {
+ FHandle=fopen("libwlocate.trace","ab");
+ if (FHandle)
+ {
+ memset(&prevRequest,0,sizeof(struct wloc_req));
+ while (true)
+ {
+ if (cnt>0)
+ {
+ if ((cnt==prevCnt) && (!notEqual(&request,&prevRequest,cnt)))
+ {
+ for (i=0; i<cnt; i++)
+ {
+ fwrite(&request.bssids[i],1,sizeof(request.bssids[i]),FHandle);
+ fwrite(&empty_signal,1,1,FHandle);
+ }
+ for (i=cnt; i<WLOC_MAX_NETWORKS; i++)
+ {
+ fwrite(&empty_bssid,1,sizeof(request.bssids[i]),FHandle);
+ fwrite(&empty_signal,1,1,FHandle);
+ }
+ fflush(FHandle);
+ prevCnt=cnt;
+ prevRequest=request;
+ }
+ }
+#ifdef ENV_WINDOWS
+ Sleep(1000);
+#else
+ sleep(1);
+#endif
+ }
+ fclose(FHandle);
+ }
+ else printf("Error: could not open/append trace file libwlocate.trace!\n");
+ }
+#ifdef ENV_WINDOWS
+ WSACleanup();
+#endif
+ return 0;
+}
+
--
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