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#include "test_stat.h"
#include <algorithm>
#include <davix.hpp>
#include <cstring>
#include <memory>
#include <cstdlib>
#include <assert.h>
#include "davix_test_lib.h"
using namespace Davix;
std::pair<dav_off_t, dav_size_t> get_random_range_read(size_t total_size){
return std::pair<dav_off_t, dav_size_t> ( (rand()%total_size-1), (rand()%total_size)/10+1);
}
int main(int argc, char** argv){
if( argc < 2){
std::cout << "Usage : " << std::endl;
std::cout <<"\t" << argv[0] << " [url]" << std::endl;
std::cout <<"\t" << argv[0] << " [url] [CERTIFICATE_PATH] " << std::endl;
return 0;
}
srand(time(NULL));
davix_set_log_level(DAVIX_LOG_ALL);
DavixError* tmp_err=NULL;
Davix_fd* fd;
ssize_t ret=1;
RequestParams p;
std::auto_ptr<Context> c( new Context());
DavPosix pos(c.get());
const size_t size_content = rand()/10000000+2000;
char url[2048];
generate_random_uri(argv[1], "test_davix_",url, 2048);
char* buff_input = generate_random_string_content(size_content);
if(argc > 2){
configure_grid_env(argv[2], p);
}
std::cout << " open remote file " << std::endl;
if( (fd =pos.open(&p, url, O_RDWR | O_CREAT, &tmp_err)) == NULL){
std::cerr << " open error "<< tmp_err->getErrMsg() << " code :" << (int) tmp_err->getStatus() << std::endl;
return -1;
}
std::cout << " write content dir " << std::endl;
// write content
if( (ret = pos.write(fd, buff_input, size_content, &tmp_err)) < 0){
std::cerr << " write error "<< tmp_err->getErrMsg() << " code :" << (int) tmp_err->getStatus() << std::endl;
return -1;
}
pos.close(fd, &tmp_err);
if(tmp_err){
std::cerr << " error while writing file " << tmp_err->getErrMsg() << " code :" << (int) tmp_err->getStatus() << std::endl;
return -1;
}
if( (fd =pos.open(&p, url, O_RDWR | O_CREAT, &tmp_err)) == NULL){
std::cerr << " open error "<< tmp_err->getErrMsg() << " code :" << (int) tmp_err->getStatus() << std::endl;
return -1;
}
std::cout << " try stupid empty vector read" << std::endl;
Davix::DavIOVecInput input;
Davix::DavIOVecOuput output;
dav_ssize_t res = pos.preadVec(fd, &input, &output, 0, &tmp_err);
assert(res == 0 && tmp_err == NULL);
const std::pair<dav_off_t, dav_size_t> range_read = get_random_range_read(size_content);
char buffer_read[range_read.second+1];
buffer_read[range_read.second]= '\0';
input.diov_buffer = buffer_read;
input.diov_offset = range_read.first;
input.diov_size = range_read.second;
std::cout << " try to read one segment of "<< input.diov_size << " from " << input.diov_offset<< " offset of a content of " << size_content << std::endl;
res = pos.preadVec(fd, &input, &output, 1, &tmp_err);
assert( res == output.diov_size);
assert( output.diov_size > 0);
assert( tmp_err == NULL);
assert( strncmp(buff_input +input.diov_offset, buffer_read, input.diov_size) ==0);
if( (ret = pos.close(fd, &tmp_err))){
std::cerr << " error while closing file " << tmp_err->getErrMsg() << " code :" << (int) tmp_err->getStatus() << std::endl;
return -1;
}
// delete trash file
pos.unlink(&p, url, NULL);
free(buff_input);
return 0;
}
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