Mercurial > hg > audiodb
view libtests/0027/prog1.c @ 400:8c7453fb5bd9 api-inversion
Invert audioDB::power_flag / audiodb_power()
Here the exciting discovery is that the mmap(), memcpy(), munmap()
sequence is in fact not safe. In principle an msync() call should be
inserted before unmapping for in-core changes to mmap()ed files to be
flushed to disk.
In this case we work around the problem entirely, by not mmap()ing
anything and doing everything with file descriptors. Amusingly, that's
probably not desperately safe either, this time because we have to move
the file descriptor position (which is also a shared resource). dup()
doesn't save us, as the duplicate file descriptor shares a file
position.
This applies also to the filling of data_buffer in the query loop, and
in fact basically any call to lseek(), which is why I'm not fixing it
now. Solution: if you have multiple threads all acting at once on a
single database, do one audiodb_open() per thread, for now at least.
author | mas01cr |
---|---|
date | Thu, 27 Nov 2008 16:22:52 +0000 |
parents | 94c18f128ce8 |
children | 1fb8bee777e5 342822c2d49a |
line wrap: on
line source
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <sysexits.h> #include <fcntl.h> #include <dirent.h> #include <unistd.h> #include <sys/stat.h> /* * * #define NDEBUG * * */ #include <assert.h> #include "../../audioDB_API.h" #include "../test_utils_lib.h" int main(int argc, char **argv){ int returnval=0; adb_ptr mydbp={0}; int ivals[10]; double dvals[10]; adb_insert_t myinsert={0}; unsigned int myerr=0; char * databasename="testdb"; adb_query_t myadbquery={0}; adb_queryresult_t myadbqueryresult={0}; adb_query_t myadbquery2={0}; adb_queryresult_t myadbqueryresult2={0}; int size=0; /* remove old directory */ //if [ -f testdb ]; then rm -f testdb; fi clean_remove_db(databasename); /* create new db */ //${AUDIODB} -d testdb -N mydbp=audiodb_create(databasename,0,0,0); //intstring 2 > testfeature //floatstring 0 1 >> testfeature //floatstring 1 0 >> testfeature ivals[0]=2; dvals[0]=0; dvals[1]=1; dvals[2]=1; dvals[3]=0; maketestfile("testfeature",ivals,dvals,4); //intstring 1 > testpower //floatstring -0.5 >> testpower //floatstring -1 >> testpower ivals[0]=1; dvals[0]=-0.5; dvals[1]=-1; maketestfile("testpower",ivals,dvals,2); /* insert breaks because power flag off and power insert */ //expect_clean_error_exit ${AUDIODB} -d testdb -I -f testfeature -w testpower myinsert.features="testfeature"; myinsert.power="testpower"; if (!audiodb_insert(mydbp,&myinsert)){ returnval=-1; } /* make sure power can be turned on */ //${AUDIODB} -d testdb -P if(audiodb_power(mydbp)){ returnval=-1; }; /* inserts now require power also */ ////expect_clean_error_exit ${AUDIODB} -d testdb -I -f testfeature myinsert.features="testfeature"; myinsert.power=NULL; //myerr=audiodb_insert(mydbp,&myinsert); if (!audiodb_insert(mydbp,&myinsert)){ returnval=-1; } /* now make a real insert */ //${AUDIODB} -d testdb -I -f testfeature -w testpower myinsert.features="testfeature"; myinsert.power="testpower"; myerr=audiodb_insert(mydbp,&myinsert); if (audiodb_insert(mydbp,&myinsert)){ returnval=-1; } //# sequence queries require L2NORM //${AUDIODB} -d testdb -L if(audiodb_l2norm(mydbp)){ returnval=-1; }; //# queries without power files should run as before //echo "query point (0.0,0.5)" //intstring 2 > testquery //floatstring 0 0.5 >> testquery ivals[0]=2; dvals[0]=-0; dvals[1]=0.5; maketestfile("testquery",ivals,dvals,2); /* query 1 */ //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery > testoutput //echo testfeature 1 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",1,0,0)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -n 1 > testoutput //echo testfeature 0 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.numpoints="1"; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",0,0,0)) {returnval = -1;}; //echo "query point (0.5,0.0)" //intstring 2 > testquery //floatstring 0.5 0 >> testquery ivals[0]=2; dvals[0]=0.5; dvals[1]=0.0; maketestfile("testquery",ivals,dvals,2); //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery > testoutput //echo testfeature 1 0 1 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.numpoints=NULL; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",1,0,1)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -n 1 > testoutput //echo testfeature 0 0 1 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.numpoints="1"; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",0,0,1)) {returnval = -1;}; //# queries with power files might do something different //echo "query point (0.0,0.5), p=-0.5" //intstring 2 > testquery //floatstring 0 0.5 >> testquery //intstring 1 > testquerypower //floatstring -0.5 >> testquerypower ivals[0]=2; dvals[0]=-0; dvals[1]=0.5; maketestfile("testquery",ivals,dvals,2); ivals[0]=1; dvals[0]=-0.5; maketestfile("testquerypower",ivals,dvals,1); //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-1.4 > testoutput //echo testfeature 1 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.power="testquerypower"; myadbquery.numpoints=NULL; myadbquery.absolute_threshold=-1.4; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",1,0,0)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-0.6 > testoutput //echo testfeature 0 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.power="testquerypower"; myadbquery.numpoints=NULL; myadbquery.absolute_threshold=-0.6; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",0,0,0)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-0.2 > testoutput //cat /dev/null > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.power="testquerypower"; myadbquery.numpoints=NULL; myadbquery.absolute_threshold=-0.2; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; //dump_query(&myadbquery,&myadbqueryresult); /* check the test values */ if (size != 0) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --relative-threshold=1 > testoutput //echo testfeature 1 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.power="testquerypower"; myadbquery.numpoints=NULL; myadbquery.absolute_threshold=0; myadbquery.relative_threshold=1; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",1,0,0)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --relative-threshold=0.2 > testoutput //echo testfeature 0 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery.querytype="sequence"; myadbquery.feature="testquery"; myadbquery.sequencelength="1"; myadbquery.power="testquerypower"; myadbquery.numpoints=NULL; myadbquery.absolute_threshold=0; myadbquery.relative_threshold=0.2; audiodb_query(mydbp,&myadbquery,&myadbqueryresult); size=myadbqueryresult.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult,0,"testfeature",0,0,0)) {returnval = -1;}; //echo "query point (0.5,0.0), p=-0.5" //intstring 2 > testquery //floatstring 0.5 0 >> testquery ivals[0]=2; dvals[0]=0.5; dvals[1]=0.0; maketestfile("testquery",ivals,dvals,2); //audioDB -Q sequence -d testdb -f testquery -w testquerypower -l 1 --absolute-threshold -1.400000 //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-1.4 > testoutput //echo testfeature 1 0 1 > test-expected-output //cmp testoutput test-expected-output myadbquery2.querytype="sequence"; myadbquery2.feature="testquery"; myadbquery2.sequencelength="1"; myadbquery2.power="testquerypower"; myadbquery2.numpoints=NULL; myadbquery2.absolute_threshold=-1.4; audiodb_query(mydbp,&myadbquery2,&myadbqueryresult2); size=myadbqueryresult2.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult2,0,"testfeature",1,0,1)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-0.6 > testoutput //echo testfeature 2 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery2.querytype="sequence"; myadbquery2.feature="testquery"; myadbquery2.sequencelength="1"; myadbquery2.power="testquerypower"; myadbquery2.numpoints=NULL; myadbquery2.absolute_threshold=-0.6; audiodb_query(mydbp,&myadbquery2,&myadbqueryresult2); size=myadbqueryresult2.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult2,0,"testfeature",2,0,0)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --absolute-threshold=-0.2 > testoutput //cat /dev/null > test-expected-output //cmp testoutput test-expected-output myadbquery2.querytype="sequence"; myadbquery2.feature="testquery"; myadbquery2.sequencelength="1"; myadbquery2.power="testquerypower"; myadbquery2.numpoints=NULL; myadbquery2.absolute_threshold=-0.2; myadbquery2.relative_threshold=0.0; audiodb_query(mydbp,&myadbquery2,&myadbqueryresult2); size=myadbqueryresult2.sizeRlist; /* check the test values */ if (size != 0) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --relative-threshold=1 > testoutput //echo testfeature 1 0 1 > test-expected-output //cmp testoutput test-expected-output myadbquery2.querytype="sequence"; myadbquery2.feature="testquery"; myadbquery2.sequencelength="1"; myadbquery2.power="testquerypower"; myadbquery2.numpoints=NULL; myadbquery2.absolute_threshold=0.0; myadbquery2.relative_threshold=1; audiodb_query(mydbp,&myadbquery2,&myadbqueryresult2); size=myadbqueryresult2.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult2,0,"testfeature",1,0,1)) {returnval = -1;}; //${AUDIODB} -d testdb -Q sequence -l 1 -f testquery -w testquerypower --relative-threshold=0.2 > testoutput //echo testfeature 2 0 0 > test-expected-output //cmp testoutput test-expected-output myadbquery2.querytype="sequence"; myadbquery2.feature="testquery"; myadbquery2.sequencelength="1"; myadbquery2.power="testquerypower"; myadbquery2.numpoints=NULL; myadbquery2.absolute_threshold=-0.0; myadbquery2.relative_threshold=0.1; audiodb_query(mydbp,&myadbquery2,&myadbqueryresult2); size=myadbqueryresult2.sizeRlist; /* check the test values */ if (size != 1) {returnval = -1;}; if (testoneresult(&myadbqueryresult2,0,"testfeature",2,0,0)) {returnval = -1;}; // printf("returnval:%d\n",returnval); return(returnval); }