#include "include/rados/librados.h"
#include "include/rados/librados.hpp"
#include "test/librados/test.h"
#include "test/librados/TestCase.h"
#include "cls/lock/cls_lock_client.h"

#include <algorithm>
#include <errno.h>
#include "gtest/gtest.h"
#include <sys/time.h>

using namespace librados;

typedef RadosTest LibRadosLock;
typedef RadosTestPP LibRadosLockPP;
typedef RadosTestEC LibRadosLockEC;
typedef RadosTestECPP LibRadosLockECPP;

TEST_F(LibRadosLock, LockExclusive) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL,  0));
  ASSERT_EQ(-EEXIST, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockPP, LockExclusivePP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL,  0));
  ASSERT_EQ(-EEXIST, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLock, LockShared) {
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-EEXIST, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockPP, LockSharedPP) {
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-EEXIST, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLock, LockExclusiveDur) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", &tv,  0));
  sleep(1);
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockPP, LockExclusiveDurPP) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", &tv,  0));
  sleep(1);
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLock, LockSharedDur) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", &tv, 0));
  sleep(1);
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockPP, LockSharedDurPP) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", &tv, 0));
  sleep(1);
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLock, LockRenew) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(-EEXIST, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, LOCK_FLAG_RENEW));
}

TEST_F(LibRadosLockPP, LockRenewPP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(-EEXIST, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, LOCK_FLAG_RENEW));
}

TEST_F(LibRadosLock, Unlock) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, rados_unlock(ioctx, "foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL,  0));
}

TEST_F(LibRadosLockPP, UnlockPP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, ioctx.unlock("foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLock, ListLockers) {
  int exclusive;
  char tag[1024];
  char clients[1024];
  char cookies[1024];
  char addresses[1024];
  size_t tag_len = 1024;
  size_t clients_len = 1024;
  size_t cookies_len = 1024;
  size_t addresses_len = 1024;
  std::stringstream sstm;
  sstm << "client." << rados_get_instance_id(cluster);
  std::string me = sstm.str();
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(0, rados_unlock(ioctx, "foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-34, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  tag_len = 1024;
  clients_len = 1024;
  cookies_len = 1024;
  addresses_len = 1024;
  ASSERT_EQ(1, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(0, exclusive);
  ASSERT_EQ(0, strcmp(tag, "Tag"));
  ASSERT_EQ(strlen("Tag") + 1, tag_len);
  ASSERT_EQ(0, strcmp(me.c_str(), clients));
  ASSERT_EQ(me.size() + 1, clients_len);
  ASSERT_EQ(0, strcmp(cookies, "Cookie"));
  ASSERT_EQ(strlen("Cookie") + 1, cookies_len);
}

TEST_F(LibRadosLockPP, ListLockersPP) {
  std::stringstream sstm;
  sstm << "client." << cluster.get_instance_id();
  std::string me = sstm.str();
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(0, ioctx.unlock("foo", "TestLock", "Cookie"));
  {
    int exclusive;
    std::string tag;
    std::list<librados::locker_t> lockers;
    ASSERT_EQ(0, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
  }
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  {
    int exclusive;
    std::string tag;
    std::list<librados::locker_t> lockers;
    ASSERT_EQ(1, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
    std::list<librados::locker_t>::iterator it = lockers.begin();
    ASSERT_FALSE(lockers.end() == it);
    ASSERT_EQ(me, it->client);
    ASSERT_EQ("Cookie", it->cookie);
  }
}

TEST_F(LibRadosLock, BreakLock) {
  int exclusive;
  char tag[1024];
  char clients[1024];
  char cookies[1024];
  char addresses[1024];
  size_t tag_len = 1024;
  size_t clients_len = 1024;
  size_t cookies_len = 1024;
  size_t addresses_len = 1024;
  std::stringstream sstm;
  sstm << "client." << rados_get_instance_id(cluster);
  std::string me = sstm.str();
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(1, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(1, exclusive);
  ASSERT_EQ(0, strcmp(tag, ""));
  ASSERT_EQ(1U, tag_len);
  ASSERT_EQ(0, strcmp(me.c_str(), clients));
  ASSERT_EQ(me.size() + 1, clients_len);
  ASSERT_EQ(0, strcmp(cookies, "Cookie"));
  ASSERT_EQ(strlen("Cookie") + 1, cookies_len);
  ASSERT_EQ(0, rados_break_lock(ioctx, "foo", "TestLock", clients, "Cookie"));
}

TEST_F(LibRadosLockPP, BreakLockPP) {
  int exclusive;
  std::string tag;
  std::list<librados::locker_t> lockers;
  std::stringstream sstm;
  sstm << "client." << cluster.get_instance_id();
  std::string me = sstm.str();
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie",  "", NULL, 0));
  ASSERT_EQ(1, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
  std::list<librados::locker_t>::iterator it = lockers.begin();
  ASSERT_FALSE(lockers.end() == it);
  ASSERT_EQ(me, it->client);
  ASSERT_EQ("Cookie", it->cookie);
  ASSERT_EQ(0, ioctx.break_lock("foo", "TestLock", it->client, "Cookie"));
}

// EC testing
TEST_F(LibRadosLockEC, LockExclusive) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL,  0));
  ASSERT_EQ(-EEXIST, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockECPP, LockExclusivePP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL,  0));
  ASSERT_EQ(-EEXIST, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockEC, LockShared) {
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-EEXIST, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockECPP, LockSharedPP) {
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-EEXIST, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockEC, LockExclusiveDur) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", &tv,  0));
  sleep(1);
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockECPP, LockExclusiveDurPP) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", &tv,  0));
  sleep(1);
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockEC, LockSharedDur) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", &tv, 0));
  sleep(1);
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockECPP, LockSharedDurPP) {
  struct timeval tv;
  tv.tv_sec = 1;
  tv.tv_usec = 0;
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", &tv, 0));
  sleep(1);
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
}

TEST_F(LibRadosLockEC, LockRenew) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(-EEXIST, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, LOCK_FLAG_RENEW));
}

TEST_F(LibRadosLockECPP, LockRenewPP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(-EEXIST, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, LOCK_FLAG_RENEW));
}

TEST_F(LibRadosLockEC, Unlock) {
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, rados_unlock(ioctx, "foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL,  0));
}

TEST_F(LibRadosLockECPP, UnlockPP) {
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(0, ioctx.unlock("foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie", "", NULL, 0));
}

TEST_F(LibRadosLockEC, ListLockers) {
  int exclusive;
  char tag[1024];
  char clients[1024];
  char cookies[1024];
  char addresses[1024];
  size_t tag_len = 1024;
  size_t clients_len = 1024;
  size_t cookies_len = 1024;
  size_t addresses_len = 1024;
  std::stringstream sstm;
  sstm << "client." << rados_get_instance_id(cluster);
  std::string me = sstm.str();
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(0, rados_unlock(ioctx, "foo", "TestLock", "Cookie"));
  ASSERT_EQ(0, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(0, rados_lock_shared(ioctx, "foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(-34, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  tag_len = 1024;
  clients_len = 1024;
  cookies_len = 1024;
  addresses_len = 1024;
  ASSERT_EQ(1, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(0, exclusive);
  ASSERT_EQ(0, strcmp(tag, "Tag"));
  ASSERT_EQ(strlen("Tag") + 1, tag_len);
  ASSERT_EQ(0, strcmp(me.c_str(), clients));
  ASSERT_EQ(me.size() + 1, clients_len);
  ASSERT_EQ(0, strcmp(cookies, "Cookie"));
  ASSERT_EQ(strlen("Cookie") + 1, cookies_len);
}

TEST_F(LibRadosLockECPP, ListLockersPP) {
  std::stringstream sstm;
  sstm << "client." << cluster.get_instance_id();
  std::string me = sstm.str();
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  ASSERT_EQ(0, ioctx.unlock("foo", "TestLock", "Cookie"));
  {
    int exclusive;
    std::string tag;
    std::list<librados::locker_t> lockers;
    ASSERT_EQ(0, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
  }
  ASSERT_EQ(0, ioctx.lock_shared("foo", "TestLock", "Cookie", "Tag", "", NULL, 0));
  {
    int exclusive;
    std::string tag;
    std::list<librados::locker_t> lockers;
    ASSERT_EQ(1, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
    std::list<librados::locker_t>::iterator it = lockers.begin();
    ASSERT_FALSE(lockers.end() == it);
    ASSERT_EQ(me, it->client);
    ASSERT_EQ("Cookie", it->cookie);
  }
}

TEST_F(LibRadosLockEC, BreakLock) {
  int exclusive;
  char tag[1024];
  char clients[1024];
  char cookies[1024];
  char addresses[1024];
  size_t tag_len = 1024;
  size_t clients_len = 1024;
  size_t cookies_len = 1024;
  size_t addresses_len = 1024;
  std::stringstream sstm;
  sstm << "client." << rados_get_instance_id(cluster);
  std::string me = sstm.str();
  ASSERT_EQ(0, rados_lock_exclusive(ioctx, "foo", "TestLock", "Cookie", "", NULL, 0));
  ASSERT_EQ(1, rados_list_lockers(ioctx, "foo", "TestLock", &exclusive, tag, &tag_len, clients, &clients_len, cookies, &cookies_len, addresses, &addresses_len ));
  ASSERT_EQ(1, exclusive);
  ASSERT_EQ(0, strcmp(tag, ""));
  ASSERT_EQ(1U, tag_len);
  ASSERT_EQ(0, strcmp(me.c_str(), clients));
  ASSERT_EQ(me.size() + 1, clients_len);
  ASSERT_EQ(0, strcmp(cookies, "Cookie"));
  ASSERT_EQ(strlen("Cookie") + 1, cookies_len);
  ASSERT_EQ(0, rados_break_lock(ioctx, "foo", "TestLock", clients, "Cookie"));
}

TEST_F(LibRadosLockECPP, BreakLockPP) {
  int exclusive;
  std::string tag;
  std::list<librados::locker_t> lockers;
  std::stringstream sstm;
  sstm << "client." << cluster.get_instance_id();
  std::string me = sstm.str();
  ASSERT_EQ(0, ioctx.lock_exclusive("foo", "TestLock", "Cookie",  "", NULL, 0));
  ASSERT_EQ(1, ioctx.list_lockers("foo", "TestLock", &exclusive, &tag, &lockers));
  std::list<librados::locker_t>::iterator it = lockers.begin();
  ASSERT_FALSE(lockers.end() == it);
  ASSERT_EQ(me, it->client);
  ASSERT_EQ("Cookie", it->cookie);
  ASSERT_EQ(0, ioctx.break_lock("foo", "TestLock", it->client, "Cookie"));
}