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#include "rados/librados.hpp"
#include "radosstriper/libradosstriper.hpp"
#include <iostream>
#include <string>
int main(int argc, char* argv[])
{
if(argc != 6)
{
std::cout <<"Please put in correct params\n"<<
"Stripe Count:\n"<<
"Object Size:\n" <<
"File Name:\n" <<
"Object Name:\n"
"Pool Name:"<< std::endl;
return EXIT_FAILURE;
}
uint32_t strip_count = std::stoi(argv[1]);
uint32_t obj_size = std::stoi(argv[2]);
std::string fname = argv[3];
std::string obj_name = argv[4];
std::string pool_name = argv[5];
int ret = 0;
librados::IoCtx io_ctx;
librados::Rados cluster;
libradosstriper::RadosStriper* rs = new libradosstriper::RadosStriper;
// make sure the keyring file is in /etc/ceph/ and is world readable
ret = cluster.init2("client.admin","ceph",0);
if( ret < 0)
{
std::cerr << "Couldn't init cluster "<< ret << std::endl;
}
// make sure ceph.conf is in /etc/ceph/ and is world readable
ret = cluster.conf_read_file("ceph.conf");
if( ret < 0)
{
std::cerr << "Couldn't read conf file "<< ret << std::endl;
}
ret = cluster.connect();
if(ret < 0)
{
std::cerr << "Couldn't connect to cluster "<< ret << std::endl;
}
else
{
std::cout << "Connected to Cluster"<< std::endl;
}
ret = cluster.ioctx_create(pool_name.c_str(), io_ctx);
if(ret < 0)
{
std::cerr << "Couldn't Create IO_CTX"<< ret << std::endl;
}
ret = libradosstriper::RadosStriper::striper_create(io_ctx,rs);
if(ret < 0)
{
std::cerr << "Couldn't Create RadosStriper"<< ret << std::endl;
delete rs;
}
uint64_t alignment = 0;
ret = io_ctx.pool_required_alignment2(&alignment);
if(ret < 0)
{
std::cerr << "IO_CTX didn't give alignment "<< ret
<< "\n Is this an erasure coded pool? "<< std::endl;
delete rs;
io_ctx.close();
cluster.shutdown();
return EXIT_FAILURE;
}
std::cout << "Pool alignment: "<< alignment << std::endl;
rs->set_object_layout_stripe_unit(alignment);
// how many objects are we striping across?
rs->set_object_layout_stripe_count(strip_count);
// how big should each object be?
rs->set_object_layout_object_size(obj_size);
std::string err = "no_err";
librados::bufferlist bl;
bl.read_file(fname.c_str(),&err);
if(err != "no_err")
{
std::cout << "Error reading file into bufferlist: "<< err << std::endl;
delete rs;
io_ctx.close();
cluster.shutdown();
return EXIT_FAILURE;
}
std::cout << "Writing: " << fname << "\nas: "<< obj_name << std::endl;
rs->write_full(obj_name,bl);
std::cout << "done with: " << fname << std::endl;
delete rs;
io_ctx.close();
cluster.shutdown();
}
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