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Feature #407: VNet uses new XML DB schema

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This commit is contained in:
Carlos Martín 2011-03-03 18:53:41 +01:00
parent e22e1cc278
commit 0bcf29fb4b
13 changed files with 518 additions and 461 deletions
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7
include/FixedLeases.h
View File

@ -150,6 +150,13 @@ private:
* @return 0 if success
*/
int unset(const string& ip);
/**
* Updates the DB entry for this lease
* @param lease Lease to be updated
* @return 0 if success
*/
int update_lease(Lease * lease);
};
#endif /*FIXED_LEASES_H_*/

63
include/Leases.h
View File

@ -18,6 +18,7 @@
#define LEASES_H_
#include "ObjectSQL.h"
#include "ObjectXML.h"
#include "Attribute.h"
#include <map>
@ -40,7 +41,8 @@ public:
* @param _size the max number of leases
*/
Leases(SqlDB * _db, int _oid, unsigned long _size):
oid(_oid), size(_size), db(_db){};
ObjectSQL(),
oid(_oid), size(_size), n_used(0), db(_db){};
virtual ~Leases()
{
@ -108,7 +110,7 @@ protected:
* The Lease class, it represents a pair of IP and MAC assigned to
* a Virtual Machine
*/
class Lease
class Lease : public ObjectXML
{
public:
/**
@ -129,13 +131,19 @@ protected:
* @param _used, the lease is in use
*/
Lease(unsigned int _ip, unsigned int _mac[], int _vid, bool _used=true)
:ip(_ip), vid(_vid), used(_used)
:ObjectXML(),ip(_ip), vid(_vid), used(_used)
{
// TODO check size
mac[PREFIX]=_mac[PREFIX];
mac[SUFFIX]=_mac[SUFFIX];
};
/**
* Creates a new empty lease. Method from_xml should be called right
* after this constructor.
*/
Lease():ObjectXML(){};
~Lease(){};
/**
@ -172,14 +180,6 @@ protected:
*/
friend ostream& operator<<(ostream& os, Lease& _lease);
/**
* Function to print the Lease object into a string in
* plain text
* @param str the resulting string
* @return a reference to the generated string
*/
string& to_str(string& str) const;
/**
* Function to print the Lease object into a string in
* XML format
@ -188,6 +188,23 @@ protected:
*/
string& to_xml(string& xml) const;
/**
* Function to print the Lease object into a string in
* XML format. The output contains all the internal attributes,
* to be saved in the DB as a blob
* @param xml the resulting XML string
* @return a reference to the generated string
*/
string& to_xml_db(string& xml) const;
/**
* Rebuilds the object from an xml formatted string
* @param xml_str The xml-formatted string
*
* @return 0 on success, -1 otherwise
*/
int from_xml(const string &xml_str);
/**
* Constants to access the array storing the MAC address
*/
@ -227,6 +244,11 @@ protected:
*/
map<unsigned int, Lease *> leases;
/**
* Number of used leases
*/
int n_used;
// -------------------------------------------------------------------------
// DataBase implementation variables
// -------------------------------------------------------------------------
@ -235,17 +257,6 @@ protected:
*/
SqlDB * db;
enum ColNames
{
OID = 0,
IP = 1,
MAC_PREFIX = 2,
MAC_SUFFIX = 3,
VID = 4,
USED = 5,
LIMIT = 6
};
static const char * table;
static const char * db_names;
@ -274,14 +285,6 @@ protected:
friend ostream& operator<<(ostream& os, Lease& _lease);
/**
* Function to print the Leases object into a string in
* plain text
* @param str the resulting string
* @return a reference to the generated string
*/
string& to_str(string& str) const;
/**
* Function to print the Leases object into a string in
* XML format

12
include/ObjectXML.h
View File

@ -82,6 +82,18 @@ public:
*/
int xpath(int& value, const char * xpath_expr, const int& def);
/**
* Gets and sets a xpath attribute, if the attribute is not found a default
* is used
* @param value to set
* @param xpath_expr of the xml element
* @param def default value if the element is not found
*
* @return -1 if default was set
*/
int xpath(unsigned int& value, const char * xpath_expr,
const unsigned int& def);
/**
* Gets and sets a xpath attribute, if the attribute is not found a default
* is used

65
include/VirtualNetwork.h
View File

@ -175,14 +175,6 @@ public:
*/
friend ostream& operator<<(ostream& os, VirtualNetwork& vn);
/**
* Function to print the VirtualNetwork object into a string in
* plain text
* @param str the resulting string
* @return a reference to the generated string
*/
string& to_str(string& str) const;
/**
* Function to print the VirtualNetwork object into a string in
* XML format
@ -283,6 +275,11 @@ private:
*/
int uid;
/**
* Owner's name
*/
string user_name;
// -------------------------------------------------------------------------
// Binded physical attributes
// -------------------------------------------------------------------------
@ -350,11 +347,21 @@ private:
int select_cb(void * nil, int num, char **values, char **names);
/**
* Function to drop VN entry in vn_pool
* @return 0 on success
* Function to print the VirtualNetwork object into a string in
* XML format
* @param xml the resulting XML string
* @param extended If true, leases are included
* @return a reference to the generated string
*/
int vn_drop(SqlDB * db);
string& to_xml_extended(string& xml, bool extended) const;
/**
* Rebuilds the object from an xml formatted string
* @param xml_str The xml-formatted string
*
* @return 0 on success, -1 otherwise
*/
int from_xml(const string &xml_str);
protected:
@ -362,7 +369,7 @@ protected:
// Constructor
//**************************************************************************
VirtualNetwork(VirtualNetworkTemplate * _vn_template = 0);
VirtualNetwork(string _user_name,VirtualNetworkTemplate * _vn_template = 0);
~VirtualNetwork();
@ -370,18 +377,6 @@ protected:
// DataBase implementation
// *************************************************************************
enum ColNames
{
OID = 0,
UID = 1,
NAME = 2,
TYPE = 3,
BRIDGE = 4,
PUBLIC = 5,
TEMPLATE = 6,
LIMIT = 7
};
static const char * table;
static const char * db_names;
@ -418,27 +413,7 @@ protected:
* @param db pointer to the db
* @return 0 on success
*/
int drop(SqlDB * db)
{
int rc;
rc = leases->drop(db);
rc += vn_drop(db);
return rc;
}
/**
* Dumps the contect of a VirtualNetwork object in the given stream using
* XML format
* @param oss the output stream
* @param num the number of columns read from the DB
* @param names the column names
* @param vaues the column values
* @return 0 on success
*/
static int dump(ostringstream& oss, int num, char **values, char **names);
int drop(SqlDB * db);
};
#endif /*VIRTUAL_NETWORK_H_*/

3
include/VirtualNetworkPool.h
View File

@ -48,6 +48,7 @@ public:
*/
int allocate (
int uid,
string user_name,
VirtualNetworkTemplate * vn_template,
int * oid,
string& error_str);
@ -150,7 +151,7 @@ private:
*/
PoolObjectSQL * create()
{
return new VirtualNetwork();
return new VirtualNetwork("", 0);
};
/**

25
src/rm/RequestManagerVirtualNetworkAllocate.cc
View File

@ -28,10 +28,12 @@ void RequestManager::VirtualNetworkAllocate::execute(
{
string session;
string name;
string user_name;
string str_template;
string error_str;
VirtualNetworkTemplate * vn_template;
User * user;
int nid;
int uid;
@ -96,10 +98,25 @@ void RequestManager::VirtualNetworkAllocate::execute(
}
}
//--------------------------------------------------------------------------
// Get the User Name
//--------------------------------------------------------------------------
user = VirtualNetworkAllocate::upool->get(uid,true);
if ( user == 0 )
{
goto error_user_get;
}
user_name = user->get_username();
user->unlock();
//--------------------------------------------------------------------------
// Allocate the Virtual Network
//--------------------------------------------------------------------------
rc = vnpool->allocate(uid,vn_template,&nid,error_str);
rc = vnpool->allocate(uid,user_name,vn_template,&nid,error_str);
if ( rc < 0 )
{
@ -118,6 +135,12 @@ void RequestManager::VirtualNetworkAllocate::execute(
return;
error_user_get:
oss.str(get_error(method_name, "USER", uid));
delete vn_template;
goto error_common;
error_authenticate:
oss.str(authenticate_error(method_name));
goto error_common;

101
src/vnm/FixedLeases.cc
View File

@ -62,6 +62,10 @@ int FixedLeases::add(const string& ip, const string& mac, int vid,
unsigned int _ip;
unsigned int _mac [2];
Lease * lease;
string xml_body;
char * sql_xml;
int rc;
if ( Leases::Lease::ip_to_number(ip,_ip) )
@ -84,13 +88,19 @@ int FixedLeases::add(const string& ip, const string& mac, int vid,
goto error_mac;
}
oss << "INSERT INTO " << table << " ("<< db_names <<") VALUES (" <<
oid << "," <<
_ip << "," <<
_mac[Lease::PREFIX] << "," <<
_mac[Lease::SUFFIX] << "," <<
vid << "," <<
used << ")";
lease = new Lease(_ip,_mac,vid,used);
sql_xml = db->escape_str(lease->to_xml_db(xml_body).c_str());
if ( sql_xml == 0 )
{
goto error_body;
}
oss << "INSERT INTO " << table << " ("<< db_names <<") VALUES ("
<< oid << ","
<< _ip << ","
<< "'" << sql_xml << "')";
rc = db->exec(oss);
@ -99,10 +109,21 @@ int FixedLeases::add(const string& ip, const string& mac, int vid,
goto error_db;
}
leases.insert(make_pair(_ip,new Lease(_ip,_mac,vid,used)));
leases.insert( make_pair(_ip,lease) );
if(lease->used)
{
n_used++;
}
return rc;
error_body:
oss.str("");
oss << "Error inserting lease, marshall error";
goto error_common;
error_ip:
oss.str("");
oss << "Error inserting lease, malformed IP = " << ip;
@ -202,7 +223,6 @@ error_common:
int FixedLeases::unset(const string& ip)
{
unsigned int _ip;
ostringstream oss;
map<unsigned int, Lease *>::iterator it_ip;
@ -219,14 +239,11 @@ int FixedLeases::unset(const string& ip)
}
// Flip used flag to false
it_ip->second->used = false;
it_ip->second->vid = -1;
oss << "UPDATE " << table << " SET used='0', vid='-1' "
<< " WHERE oid=" << oid << " AND ip='" << _ip <<"'";
return db->exec(oss);
// Update the lease
return update_lease(it_ip->second);
}
/* -------------------------------------------------------------------------- */
@ -252,22 +269,14 @@ int FixedLeases::get(int vid, string& ip, string& mac)
{
ostringstream oss;
oss << "UPDATE " << table << " SET used='1', vid='" << vid
<< "' WHERE oid=" << oid
<< " AND ip='" << current->second->ip <<"'";
rc = db->exec(oss);
if ( rc == 0 )
{
current->second->used = true;
current->second->vid = vid;
rc = update_lease(current->second);
current->second->to_string(ip,mac);
current++;
}
break;
}
}
@ -282,7 +291,6 @@ int FixedLeases::set(int vid, const string& ip, string& mac)
{
map<unsigned int,Lease *>::iterator it;
ostringstream oss;
unsigned int num_ip;
int rc;
@ -304,22 +312,43 @@ int FixedLeases::set(int vid, const string& ip, string& mac)
return -1;
}
oss << "UPDATE " << table << " SET used='1', vid='" << vid << "'"
<< " WHERE oid=" << oid << " AND ip='" << it->second->ip <<"'";
rc = db->exec(oss);
if ( rc != 0 )
{
return -1;
}
it->second->used = true;
it->second->vid = vid;
Leases::Lease::mac_to_string(it->second->mac,mac);
return 0;
return update_lease(it->second);
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int FixedLeases::update_lease(Lease * lease)
{
ostringstream oss;
string xml_body;
char * sql_xml;
sql_xml = db->escape_str(lease->to_xml_db(xml_body).c_str());
if ( sql_xml == 0 )
{
return -1;
}
if( lease->used )
{
n_used++;
}
else
{
n_used--;
}
oss << "UPDATE " << table << " SET body='" << sql_xml << "'"
<< " WHERE oid=" << oid << " AND ip='" << lease->ip <<"'";
return db->exec(oss);
}
/* -------------------------------------------------------------------------- */

157
src/vnm/Leases.cc
View File

@ -181,6 +181,8 @@ void Leases::Lease::mac_to_string(const unsigned int i_mac[], string& mac)
mac = oss.str();
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
ostream& operator<<(ostream& os, Leases::Lease& _lease)
{
@ -191,32 +193,8 @@ ostream& operator<<(ostream& os, Leases::Lease& _lease)
return os;
}
string& Leases::Lease::to_str(string& str) const
{
string ip;
string mac;
ostringstream os;
to_string(ip,mac);
ip = "IP = " + ip;
mac = "MAC = " + mac;
os.width(20);
os << left << ip;
os.width(24);
os << left << mac;
os << left << " USED = " << used;
os << left << " VID = " << vid;
str = os.str();
return str;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
string& Leases::Lease::to_xml(string& str) const
{
@ -229,9 +207,9 @@ string& Leases::Lease::to_xml(string& str) const
os <<
"<LEASE>" <<
"<IP>"<< ip << "</IP>" <<
"<IP>" << ip << "</IP>" <<
"<MAC>" << mac << "</MAC>" <<
"<USED>" << used << "</USED>" <<
"<USED>"<< used << "</USED>"<<
"<VID>" << vid << "</VID>" <<
"</LEASE>";
@ -240,6 +218,54 @@ string& Leases::Lease::to_xml(string& str) const
return str;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
string& Leases::Lease::to_xml_db(string& str) const
{
ostringstream os;
os <<
"<LEASE>" <<
"<IP>" << ip << "</IP>" <<
"<MAC_PREFIX>" << mac[Lease::PREFIX] << "</MAC_PREFIX>" <<
"<MAC_SUFFIX>" << mac[Lease::SUFFIX] << "</MAC_SUFFIX>" <<
"<USED>" << used << "</USED>"<<
"<VID>" << vid << "</VID>" <<
"</LEASE>";
str = os.str();
return str;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int Leases::Lease::from_xml(const string &xml_str)
{
int rc = 0;
int int_used;
// Initialize the internal XML object
update_from_str(xml_str);
rc += xpath(ip , "/LEASE/IP" , 0);
rc += xpath(mac[Lease::PREFIX], "/LEASE/MAC_PREFIX" , 0);
rc += xpath(mac[Lease::SUFFIX], "/LEASE/MAC_SUFFIX" , 0);
rc += xpath(int_used , "/LEASE/USED" , 0);
rc += xpath(vid , "/LEASE/VID" , 0);
used = static_cast<bool>(int_used);
if (rc != 0)
{
return -1;
}
return 0;
}
/* ************************************************************************** */
/* ************************************************************************** */
/* Leases class */
@ -248,55 +274,38 @@ string& Leases::Lease::to_xml(string& str) const
const char * Leases::table = "leases";
const char * Leases::db_names = "oid,ip,mac_prefix,mac_suffix,vid,used";
const char * Leases::db_names = "oid, ip, body";
const char * Leases::db_bootstrap = "CREATE TABLE IF NOT EXISTS leases ("
"oid INTEGER, ip BIGINT, mac_prefix BIGINT, mac_suffix BIGINT,"
"vid INTEGER, used INTEGER, PRIMARY KEY(oid,ip))";
"oid INTEGER, ip BIGINT, body TEXT, PRIMARY KEY(oid,ip))";
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int Leases::select_cb(void *nil, int num, char **values, char **names)
{
if ( (values[OID] == 0) ||
(values[IP] == 0) ||
(values[MAC_PREFIX] == 0) ||
(values[MAC_SUFFIX] == 0) ||
(values[VID] == 0) ||
(values[USED]== 0) ||
(num != LIMIT ))
Lease * lease;
int rc;
if ( (!values[0]) || (num != 1) )
{
return -1;
}
unsigned int mac[2];
unsigned int ip;
int vid;
bool used;
lease = new Lease();
rc = lease->from_xml(values[0]);
istringstream iss;
if (rc != 0)
{
return -1;
}
iss.str(values[IP]);
iss >> ip;
leases.insert(make_pair(lease->ip, lease));
iss.clear();
iss.str(values[MAC_PREFIX]);
iss >> mac[Lease::PREFIX];
iss.clear();
iss.str(values[MAC_SUFFIX]);
iss >> mac[Lease::SUFFIX];
iss.clear();
iss.str(values[VID]);
iss >> vid;
iss.clear();
iss.str(values[USED]);
iss >> used;
leases.insert(make_pair(ip,new Lease(ip,mac,vid,used)));
if(lease->used)
{
n_used++;
}
return 0;
}
@ -308,9 +317,12 @@ int Leases::select(SqlDB * db)
ostringstream oss;
int rc;
// Reset the used leases counter
n_used = 0;
set_callback(static_cast<Callbackable::Callback>(&Leases::select_cb));
oss << "SELECT " << db_names << " FROM " << table << " WHERE oid = " << oid;
oss << "SELECT body FROM " << table << " WHERE oid = " << oid;
rc = db->exec(oss,this);
@ -434,25 +446,6 @@ string& Leases::to_xml(string& xml) const
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
string& Leases::to_str(string& str) const
{
map<unsigned int, Leases::Lease *>::const_iterator it;
ostringstream os;
string lease_str;
for(it=leases.begin();it!=leases.end();it++)
{
os << it->second->to_str(lease_str) << endl;
}
str = os.str();
return str;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
ostream& operator<<(ostream& os, Leases& _leases)
{
string xml;

50
src/vnm/RangedLeases.cc
View File

@ -133,25 +133,53 @@ int RangedLeases::add(
bool used)
{
ostringstream oss;
Lease * lease;
string xml_body;
char * sql_xml;
int rc;
//Insert the lease in the database
oss << "INSERT INTO " << table << " ("<< db_names <<") VALUES ("<<
oid << "," <<
ip << "," <<
mac[Lease::PREFIX] << "," <<
mac[Lease::SUFFIX] << "," <<
vid << "," <<
used << ")";
lease = new Lease(ip,mac,vid,used);
sql_xml = db->escape_str(lease->to_xml_db(xml_body).c_str());
if ( sql_xml == 0 )
{
goto error_body;
}
oss << "INSERT INTO " << table << " ("<< db_names <<") VALUES ("
<< oid << ","
<< ip << ","
<< "'" << sql_xml << "')";
rc = db->exec(oss);
if ( rc == 0 )
if ( rc != 0 )
{
leases.insert(make_pair(ip,new Lease(ip,mac,vid,used)));
goto error_db;
}
leases.insert( make_pair(ip,lease) );
n_used++;
return rc;
error_body:
oss.str("");
oss << "Error inserting lease, marshall error";
goto error_common;
error_db:
oss.str("");
oss << "Error inserting lease in database.";
error_common:
NebulaLog::log("VNM", Log::ERROR, oss);
return -1;
}
/* -------------------------------------------------------------------------- */
@ -187,6 +215,8 @@ int RangedLeases::del(const string& ip)
if ( rc == 0 )
{
n_used--;
delete it_ip->second;
leases.erase(it_ip);

243
src/vnm/VirtualNetwork.cc
View File

@ -29,10 +29,12 @@
/* Virtual Network :: Constructor/Destructor */
/* ************************************************************************** */
VirtualNetwork::VirtualNetwork(VirtualNetworkTemplate *_vn_template):
PoolObjectSQL(-1),
VirtualNetwork::VirtualNetwork(string _user_name,
VirtualNetworkTemplate *_vn_template):
PoolObjectSQL(-1, table),
name(""),
uid(-1),
user_name(_user_name),
bridge(""),
type(UNINITIALIZED),
leases(0)
@ -69,51 +71,11 @@ VirtualNetwork::~VirtualNetwork()
const char * VirtualNetwork::table = "network_pool";
const char * VirtualNetwork::db_names =
"oid,uid,name,type,bridge,public,template";
const char * VirtualNetwork::extended_db_names =
"network_pool.oid, network_pool.uid, network_pool.name, network_pool.type, "
"network_pool.bridge, network_pool.public, network_pool.template";
const char * VirtualNetwork::db_names = "oid, name, body";
const char * VirtualNetwork::db_bootstrap = "CREATE TABLE IF NOT EXISTS"
" network_pool ("
"oid INTEGER PRIMARY KEY, uid INTEGER, name VARCHAR(256), type INTEGER, "
"bridge TEXT, public INTEGER, template TEXT, UNIQUE(name))";
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::select_cb(void * nil, int num, char **values, char **names)
{
if ((!values[OID]) ||
(!values[UID]) ||
(!values[NAME]) ||
(!values[TYPE]) ||
(!values[BRIDGE]) ||
(!values[PUBLIC]) ||
(!values[TEMPLATE]) ||
(num != LIMIT ))
{
return -1;
}
oid = atoi(values[OID]);
uid = atoi(values[UID]);
name = values[NAME];
type = (NetworkType)atoi(values[TYPE]);
bridge = values[BRIDGE];
public_vnet = atoi(values[PUBLIC]);
// Virtual Network template
vn_template->from_xml(values[TEMPLATE]);
return 0;
}
" network_pool "
"(oid INTEGER PRIMARY KEY, name VARCHAR(256), body TEXT, UNIQUE(name))";
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
@ -124,28 +86,19 @@ int VirtualNetwork::select(SqlDB * db)
ostringstream ose;
int rc;
int boid;
string network_address;
unsigned int default_size = VirtualNetworkPool::default_size();
unsigned int mac_prefix = VirtualNetworkPool::mac_prefix();
set_callback(
static_cast<Callbackable::Callback>(&VirtualNetwork::select_cb));
oss << "SELECT " << db_names << " FROM " << table << " WHERE oid = " << oid;
// Rebuld the VirtualNetwork object
rc = PoolObjectSQL::select(db);
boid = oid;
oid = -1;
rc = db->exec(oss, this);
unset_callback();
if ((rc != 0) || (oid != boid ))
if( rc != 0 )
{
goto error_id;
return rc;
}
//Get the leases
@ -207,9 +160,6 @@ int VirtualNetwork::select(SqlDB * db)
return leases->select(db);
error_id:
ose << "Error getting Virtual Network nid: " << oid;
goto error_common;
error_leases:
ose << "Error getting Virtual Network leases nid: " << oid;
@ -230,43 +180,6 @@ error_common:
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::dump(ostringstream& oss,
int num,
char ** values,
char ** names)
{
if ((!values[OID]) ||
(!values[UID]) ||
(!values[NAME]) ||
(!values[TYPE]) ||
(!values[BRIDGE]) ||
(!values[PUBLIC]) ||
(!values[TEMPLATE]) ||
(!values[LIMIT]) ||
(num != LIMIT + 2 ))
{
return -1;
}
oss <<
"<VNET>" <<
"<ID>" << values[OID] << "</ID>" <<
"<UID>" << values[UID] << "</UID>" <<
"<USERNAME>" << values[LIMIT+1] << "</USERNAME>" <<
"<NAME>" << values[NAME] << "</NAME>" <<
"<TYPE>" << values[TYPE] << "</TYPE>" <<
"<BRIDGE>" << values[BRIDGE] << "</BRIDGE>" <<
"<PUBLIC>" << values[PUBLIC] << "</PUBLIC>" <<
"<TOTAL_LEASES>"<< values[LIMIT] << "</TOTAL_LEASES>"
<< values[TEMPLATE] <<
"</VNET>";
return 0;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::insert(SqlDB * db, string& error_str)
{
ostringstream ose;
@ -444,23 +357,24 @@ error_common:
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::update(SqlDB * db)
{
return insert_replace(db, true);
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::insert_replace(SqlDB *db, bool replace)
{
ostringstream oss;
int rc;
string xml_template;
string xml_body;
char * sql_name;
char * sql_bridge;
char * sql_template;
char * sql_xml;
sql_name = db->escape_str(name.c_str());
@ -470,22 +384,13 @@ int VirtualNetwork::insert_replace(SqlDB *db, bool replace)
goto error_name;
}
sql_bridge = db->escape_str(bridge.c_str());
sql_xml = db->escape_str(to_xml(xml_body).c_str());
if ( sql_bridge == 0 )
if ( sql_xml == 0 )
{
goto error_bridge;
goto error_body;
}
vn_template->to_xml(xml_template);
sql_template = db->escape_str(xml_template.c_str());
if ( sql_template == 0 )
{
goto error_template;
}
// Construct the SQL statement to Insert or Replace
if(replace)
{
@ -498,24 +403,18 @@ int VirtualNetwork::insert_replace(SqlDB *db, bool replace)
oss << " INTO " << table << " (" << db_names << ") VALUES ("
<< oid << ","
<< uid << ","
<< "'" << sql_name << "',"
<< type << ","
<< "'" << sql_bridge << "',"
<< public_vnet << ","
<< "'" << sql_template<< "')";
<< "'" << sql_xml << "')";
rc = db->exec(oss);
db->free_str(sql_name);
db->free_str(sql_bridge);
db->free_str(sql_template);
db->free_str(sql_xml);
return rc;
error_template:
db->free_str(sql_bridge);
error_bridge:
error_body:
db->free_str(sql_name);
error_name:
return -1;
@ -524,30 +423,20 @@ error_name:
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int VirtualNetwork::vn_drop(SqlDB * db)
int VirtualNetwork::drop(SqlDB * db)
{
ostringstream oss;
int rc;
if ( leases != 0 )
rc = PoolObjectSQL::drop(db);
if ( rc == 0 && leases != 0 )
{
leases->drop(db);
}
oss << "DELETE FROM " << table << " WHERE OID=" << oid;
rc = db->exec(oss);
if ( rc == 0 )
{
set_valid(false);
rc += leases->drop(db);
}
return rc;
}
/* ************************************************************************** */
/* Virtual Network :: Misc */
/* ************************************************************************** */
@ -556,7 +445,7 @@ ostream& operator<<(ostream& os, VirtualNetwork& vn)
{
string vnet_xml;
os << vn.to_xml(vnet_xml);
os << vn.to_xml_extended(vnet_xml, true);
return os;
};
@ -565,25 +454,45 @@ ostream& operator<<(ostream& os, VirtualNetwork& vn)
/* -------------------------------------------------------------------------- */
string& VirtualNetwork::to_xml(string& xml) const
{
return to_xml_extended(xml, false);
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
string& VirtualNetwork::to_xml_extended(string& xml, bool extended) const
{
ostringstream os;
string template_xml;
string leases_xml;
// Total leases is the number of used leases.
int total_leases = 0;
if (leases != 0)
{
total_leases = leases->n_used;
}
os <<
"<VNET>" <<
"<ID>" << oid << "</ID>" <<
"<UID>" << uid << "</UID>" <<
"<USERNAME>" << user_name << "</USERNAME>" <<
"<NAME>" << name << "</NAME>" <<
"<TYPE>" << type << "</TYPE>" <<
"<BRIDGE>" << bridge << "</BRIDGE>" <<
"<PUBLIC>" << public_vnet << "</PUBLIC>" <<
"<TOTAL_LEASES>"<< total_leases << "</TOTAL_LEASES>"<<
vn_template->to_xml(template_xml);
if (leases)
if (extended && leases != 0)
{
os << leases->to_xml(leases_xml);
}
os << "</VNET>";
xml = os.str();
@ -594,40 +503,44 @@ string& VirtualNetwork::to_xml(string& xml) const
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
string& VirtualNetwork::to_str(string& str) const
int VirtualNetwork::from_xml(const string &xml_str)
{
ostringstream os;
vector<xmlNodePtr> content;
string template_str;
string leases_str;
int rc = 0;
int int_type;
os << "ID : " << oid << endl;
os << "UID : " << uid << endl;
os << "NAME : " << name << endl;
os << "Type : ";
if ( type==VirtualNetwork::RANGED )
// Initialize the internal XML object
update_from_str(xml_str);
// Get class base attributes
rc += xpath(oid, "/VNET/ID", -1);
rc += xpath(uid, "/VNET/UID", -1);
rc += xpath(user_name, "/VNET/USERNAME", "not_found");
rc += xpath(name, "/VNET/NAME", "not_found");
rc += xpath(int_type, "/VNET/TYPE", -1);
rc += xpath(bridge, "/VNET/BRIDGE", "not_found");
rc += xpath(public_vnet,"/VNET/PUBLIC", 0);
type = static_cast<NetworkType>( int_type );
// Get associated classes
ObjectXML::get_nodes("/VNET/TEMPLATE", content);
if( content.size() < 1 )
{
os << "Ranged" << endl;
}
else
{
os << "Fixed" << endl;
return -1;
}
os << "Bridge : " << bridge << endl;
os << "Public : " << public_vnet << endl << endl;
// Virtual Network template
rc += vn_template->from_xml_node( content[0] );
os << "....: Template :...." << vn_template->to_str(template_str) << endl <<
endl;
if (leases)
if (rc != 0)
{
os << "....: Leases :...." << endl << leases->to_str(leases_str) << endl;
return -1;
}
str = os.str();
return str;
return 0;
}
/* -------------------------------------------------------------------------- */

15
src/vnm/VirtualNetworkPool.cc
View File

@ -71,13 +71,14 @@ VirtualNetworkPool::VirtualNetworkPool(SqlDB * db,
int VirtualNetworkPool::allocate (
int uid,
string user_name,
VirtualNetworkTemplate * vn_template,
int * oid,
string& error_str)
{
VirtualNetwork * vn;
vn = new VirtualNetwork(vn_template);
vn = new VirtualNetwork(user_name, vn_template);
vn->uid = uid;
@ -171,23 +172,13 @@ int VirtualNetworkPool::dump(ostringstream& oss, const string& where)
static_cast<Callbackable::Callback>(&VirtualNetworkPool::dump_cb),
static_cast<void *>(&oss));
cmd << "SELECT " << VirtualNetwork::extended_db_names << ",COUNT("
<< Leases::table << ".used), user_pool.user_name FROM "
<< VirtualNetwork::table
<< " LEFT OUTER JOIN " << Leases::table << " ON "
<< VirtualNetwork::table << ".oid = " << Leases::table << ".oid"
<< " AND " << Leases::table << ".used = 1"
<< " LEFT OUTER JOIN (SELECT oid,user_name FROM user_pool) "
<< " AS user_pool ON "<< VirtualNetwork::table
<< ".uid = user_pool.oid";
cmd << "SELECT body FROM " << VirtualNetwork::table;
if ( !where.empty() )
{
cmd << " WHERE " << where;
}
cmd << " GROUP BY " << VirtualNetwork::table << ".oid";
rc = db->exec(cmd,this);
oss << "</VNET_POOL>";

174
src/vnm/test/VirtualNetworkPoolTest.cc
View File

@ -20,6 +20,7 @@
#include "VirtualNetworkPool.h"
#include "PoolTest.h"
#include "ObjectXML.h"
using namespace std;
@ -27,6 +28,7 @@ using namespace std;
/* ************************************************************************* */
const int uids[] = {123, 261, 133};
const string user_names[] = {"A user","B user","C user"};
const string names[] = {"Net number one", "A virtual network","Net number two"};
@ -69,11 +71,11 @@ const string templates[] =
const string xmls[] =
{
"<VNET><ID>0</ID><UID>123</UID><NAME>Net number one</NAME><TYPE>1</TYPE><BRIDGE>br1</BRIDGE><PUBLIC>0</PUBLIC><TEMPLATE><BRIDGE><![CDATA[br1]]></BRIDGE><LEASES><IP><![CDATA[130.10.0.1]]></IP><MAC><![CDATA[50:20:20:20:20:20]]></MAC></LEASES><NAME><![CDATA[Net number one]]></NAME><TYPE><![CDATA[FIXED]]></TYPE></TEMPLATE><LEASES><LEASE><IP>130.10.0.1</IP><MAC>50:20:20:20:20:20</MAC><USED>0</USED><VID>-1</VID></LEASE></LEASES></VNET>",
"<VNET><ID>0</ID><UID>123</UID><USERNAME>A user</USERNAME><NAME>Net number one</NAME><TYPE>1</TYPE><BRIDGE>br1</BRIDGE><PUBLIC>0</PUBLIC><TOTAL_LEASES>0</TOTAL_LEASES><TEMPLATE><BRIDGE><![CDATA[br1]]></BRIDGE><LEASES><IP><![CDATA[130.10.0.1]]></IP><MAC><![CDATA[50:20:20:20:20:20]]></MAC></LEASES><NAME><![CDATA[Net number one]]></NAME><TYPE><![CDATA[FIXED]]></TYPE></TEMPLATE><LEASES><LEASE><IP>130.10.0.1</IP><MAC>50:20:20:20:20:20</MAC><USED>0</USED><VID>-1</VID></LEASE></LEASES></VNET>",
"<VNET><ID>1</ID><UID>261</UID><NAME>A virtual network</NAME><TYPE>0</TYPE><BRIDGE>br0</BRIDGE><PUBLIC>1</PUBLIC><TEMPLATE><BRIDGE><![CDATA[br0]]></BRIDGE><NAME><![CDATA[A virtual network]]></NAME><NETWORK_ADDRESS><![CDATA[192.168.0.0]]></NETWORK_ADDRESS><NETWORK_SIZE><![CDATA[C]]></NETWORK_SIZE><TYPE><![CDATA[RANGED]]></TYPE></TEMPLATE><LEASES></LEASES></VNET>",
"<VNET><ID>1</ID><UID>261</UID><USERNAME>B user</USERNAME><NAME>A virtual network</NAME><TYPE>0</TYPE><BRIDGE>br0</BRIDGE><PUBLIC>1</PUBLIC><TOTAL_LEASES>0</TOTAL_LEASES><TEMPLATE><BRIDGE><![CDATA[br0]]></BRIDGE><NAME><![CDATA[A virtual network]]></NAME><NETWORK_ADDRESS><![CDATA[192.168.0.0]]></NETWORK_ADDRESS><NETWORK_SIZE><![CDATA[C]]></NETWORK_SIZE><TYPE><![CDATA[RANGED]]></TYPE></TEMPLATE><LEASES></LEASES></VNET>",
"<VNET><ID>0</ID><UID>133</UID><NAME>Net number two</NAME><TYPE>1</TYPE><BRIDGE>br1</BRIDGE><PUBLIC>0</PUBLIC><TEMPLATE><BRIDGE><![CDATA[br1]]></BRIDGE><LEASES><IP><![CDATA[130.10.2.1]]></IP><MAC><![CDATA[50:20:20:20:20:20]]></MAC></LEASES><NAME><![CDATA[Net number two]]></NAME><TYPE><![CDATA[fixed]]></TYPE></TEMPLATE><LEASES><LEASE><IP>130.10.2.1</IP><MAC>50:20:20:20:20:20</MAC><USED>0</USED><VID>-1</VID></LEASE></LEASES></VNET>"
"<VNET><ID>0</ID><UID>133</UID><USERNAME>C user</USERNAME><NAME>Net number two</NAME><TYPE>1</TYPE><BRIDGE>br1</BRIDGE><PUBLIC>0</PUBLIC><TOTAL_LEASES>0</TOTAL_LEASES><TEMPLATE><BRIDGE><![CDATA[br1]]></BRIDGE><LEASES><IP><![CDATA[130.10.2.1]]></IP><MAC><![CDATA[50:20:20:20:20:20]]></MAC></LEASES><NAME><![CDATA[Net number two]]></NAME><TYPE><![CDATA[fixed]]></TYPE></TEMPLATE><LEASES><LEASE><IP>130.10.2.1</IP><MAC>50:20:20:20:20:20</MAC><USED>0</USED><VID>-1</VID></LEASE></LEASES></VNET>"
};
const string xml_dump =
@ -97,7 +99,8 @@ public:
{};
int allocate(const int& uid, const std::string& stemplate, int* oid)
int allocate(const int& uid, const std::string& user_name,
const std::string& stemplate, int* oid)
{
VirtualNetworkTemplate * vn_template;
char * error_msg = 0;
@ -109,7 +112,8 @@ public:
if( rc == 0 )
{
return VirtualNetworkPool::allocate(uid, vn_template, oid, err);
return VirtualNetworkPool::allocate(uid, user_name,
vn_template, oid, err);
}
else
{
@ -182,41 +186,33 @@ protected:
int allocate(int index)
{
int oid;
return ((VirtualNetworkPoolFriend*)pool)->allocate(uids[index],
templates[index], &oid);
return ((VirtualNetworkPoolFriend*)pool)->allocate(
uids[index],user_names[index],templates[index], &oid);
};
void check(int index, PoolObjectSQL* obj)
{
CPPUNIT_ASSERT( obj != 0 );
string xml_str = "";
string xml_str;
ostringstream oss;
((VirtualNetwork*)obj)->to_xml(xml_str);
oss << * ((VirtualNetwork*)obj);
xml_str = oss.str();
/*
if( xml_str != xmls[index] )
{
cout << endl << xml_str << endl << "========"
<< endl << xmls[index] << endl << "--------";
}
//*/
CPPUNIT_ASSERT( ((VirtualNetwork*)obj)->get_uid() == uids[index] );
CPPUNIT_ASSERT( ((VirtualNetwork*)obj)->to_xml(xml_str) == xmls[index] );
CPPUNIT_ASSERT( xml_str == xmls[index] );
};
void set_up_user_pool()
{
string err;
UserPool::bootstrap(db);
UserPool * user_pool = new UserPool(db);
int uid_1, uid_2;
string username_1 = "A user";
string username_2 = "B user";
string pass_1 = "A pass";
string pass_2 = "B pass";
user_pool->allocate(&uid_1, username_1, pass_1, true, err);
user_pool->allocate(&uid_2, username_2, pass_2, true, err);
delete user_pool;
};
public:
VirtualNetworkPoolTest(){xmlInitParser();};
@ -380,7 +376,7 @@ public:
for (int i = 0 ; i < 7 ; i++)
{
rc = vnpool->allocate(uids[0], templ[i], &oid[i]);
rc = vnpool->allocate(uids[0], user_names[0], templ[i], &oid[i]);
CPPUNIT_ASSERT( rc >= 0 );
vnet = vnpool->get(oid[i], false);
@ -409,22 +405,22 @@ public:
VirtualNetwork * vnet;
// Allocate a vnet
rc = vnpool->allocate(uids[0], templates[0], &oid_0);
rc = vnpool->allocate(uids[0], user_names[0], templates[0], &oid_0);
CPPUNIT_ASSERT( rc == oid_0 );
CPPUNIT_ASSERT( rc == 0 );
// Allocate the same vnet twice, with the same user ID
rc = vnpool->allocate(uids[0], templates[0], &oid_1);
rc = vnpool->allocate(uids[0], user_names[0], templates[0], &oid_1);
CPPUNIT_ASSERT( rc == oid_1 );
CPPUNIT_ASSERT( rc == -1 );
// With different user ID
rc = vnpool->allocate(uids[1], templates[0], &oid_1);
rc = vnpool->allocate(uids[1], user_names[1], templates[0], &oid_1);
CPPUNIT_ASSERT( rc == oid_1 );
CPPUNIT_ASSERT( rc == -1 );
// Insert a different template, with the same user ID
rc = vnpool->allocate(uids[1], templates[1], &oid_1);
rc = vnpool->allocate(uids[1], user_names[1], templates[1], &oid_1);
CPPUNIT_ASSERT( rc == oid_1 );
CPPUNIT_ASSERT( rc == 1 );
@ -456,16 +452,23 @@ public:
int oid, rc;
ostringstream oss;
set_up_user_pool();
vnpool->allocate(1, templates[0], &oid);
vnpool->allocate(2, templates[1], &oid);
vnpool->allocate(1, user_names[0], templates[0], &oid);
vnpool->allocate(2, user_names[1], templates[1], &oid);
rc = pool->dump(oss, "");
CPPUNIT_ASSERT(rc == 0);
string result = oss.str();
/*
if( result != xml_dump )
{
cout << endl << result << endl << "========"
<< endl << xml_dump << endl << "--------";
}
//*/
CPPUNIT_ASSERT( result == xml_dump );
};
@ -479,17 +482,24 @@ public:
int oid, rc;
ostringstream oss;
set_up_user_pool();
vnpool->allocate(1, user_names[0], templates[0], &oid);
vnpool->allocate(2, user_names[1], templates[1], &oid);
vnpool->allocate(1, templates[0], &oid);
vnpool->allocate(2, templates[1], &oid);
string where = "uid > 1";
string where = "name LIKE '%virtual%'";
rc = pool->dump(oss, where);
CPPUNIT_ASSERT(rc == 0);
string result = oss.str();
/*
if( result != xml_dump_where )
{
cout << endl << result << endl << "========"
<< endl << xml_dump_where << endl << "--------";
}
//*/
CPPUNIT_ASSERT( result == xml_dump_where );
};
@ -594,7 +604,7 @@ public:
"NETWORK_ADDRESS = 192.168.50.0\n";
vnpool->allocate(45, tmpl, &oid);
vnpool->allocate(45, user_names[0], tmpl, &oid);
CPPUNIT_ASSERT( oid != -1 );
vn = vnpool->get(oid, false);
@ -811,15 +821,18 @@ public:
string mac = "";
string bridge = "";
ostringstream oss;
string xpath;
vector<int> results;
// First VNet template
vnpool->allocate(13, tmpl_A, &oid_0);
vnpool->allocate(13, user_names[0], tmpl_A, &oid_0);
CPPUNIT_ASSERT( oid_0 != -1 );
// Second VNet
vnpool->allocate(45, tmpl_B, &oid_new);
vnpool->allocate(45, user_names[0], tmpl_B, &oid_new);
CPPUNIT_ASSERT( oid_new != -1 );
// Get this second VNet
@ -833,15 +846,31 @@ public:
CPPUNIT_ASSERT( rc == 0 );
// ---------------------------------------------------------------------
// The IP ...1 should be tagged as used only in the second Vnet
const char * table = "leases";
string where = "used = 1 AND vid = 1234";
// Clean the cache, forcing the pool to read the objects from the DB
pool->clean();
rc = pool->search(results, table, where);
CPPUNIT_ASSERT(rc == 0);
CPPUNIT_ASSERT(results.size() == 1);
// First VNet
vn = vnpool->get(oid_0, false);
CPPUNIT_ASSERT( vn != 0 );
oss << *vn;
// 0 Used leases
ObjectXML::xpath_value(xpath, oss.str().c_str(), "/VNET/TOTAL_LEASES" );
CPPUNIT_ASSERT( xpath == "0" );
// Second VNet
vn = vnpool->get(oid_new, false);
CPPUNIT_ASSERT( vn != 0 );
oss.str("");
oss << *vn;
// 1 Used leases
ObjectXML::xpath_value(xpath, oss.str().c_str(), "/VNET/TOTAL_LEASES" );
CPPUNIT_ASSERT( xpath == "1" );
// ---------------------------------------------------------------------
// Now check that the first VNet has that IP available
@ -872,13 +901,32 @@ public:
CPPUNIT_ASSERT( rc != 0 );
// ---------------------------------------------------------------------
// Check that in the DB, only one lease is used
where = "used = 1";
// Clean the reults
results.resize(0);
rc = pool->search(results, table, where);
CPPUNIT_ASSERT(rc == 0);
CPPUNIT_ASSERT(results.size() == 1);
// Clean the cache, forcing the pool to read the objects from the DB
pool->clean();
// First VNet
vn = vnpool->get(oid_0, false);
CPPUNIT_ASSERT( vn != 0 );
oss.str("");
oss << *vn;
// 0 Used leases
ObjectXML::xpath_value(xpath, oss.str().c_str(), "/VNET/TOTAL_LEASES" );
CPPUNIT_ASSERT( xpath == "0" );
// Second VNet
vn = vnpool->get(oid_new, false);
CPPUNIT_ASSERT( vn != 0 );
oss.str("");
oss << *vn;
// 1 Used leases
ObjectXML::xpath_value(xpath, oss.str().c_str(), "/VNET/TOTAL_LEASES" );
CPPUNIT_ASSERT( xpath == "1" );
// ---------------------------------------------------------------------
}
/* -------------------------------------------------------------------------- */
@ -1000,7 +1048,7 @@ public:
while( templates[i] != "END" )
{
vnp->allocate(0, templates[i], &oid);
vnp->allocate(0, user_names[0], templates[i], &oid);
CPPUNIT_ASSERT( oid >= 0 );
@ -1039,10 +1087,10 @@ public:
"LEASES = [IP=130.10.0.5, MAC=50:20:20:20:20:25]";
vnp->allocate(0, template_0, &oid_0);
vnp->allocate(0, user_names[0], template_0, &oid_0);
CPPUNIT_ASSERT( oid_0 == 0 );
vnp->allocate(0, template_1, &oid_1);
vnp->allocate(0, user_names[0], template_1, &oid_1);
CPPUNIT_ASSERT( oid_1 == 1 );
@ -1530,7 +1578,5 @@ public:
int main(int argc, char ** argv)
{
OneUnitTest::set_one_auth();
return PoolTest::main(argc, argv, VirtualNetworkPoolTest::suite());
}

34
src/xml/ObjectXML.cc
View File

@ -188,6 +188,40 @@ int ObjectXML::xpath(int& value, const char * xpath_expr, const int& def)
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int ObjectXML::xpath(unsigned int& value, const char * xpath_expr,
const unsigned int& def)
{
vector<string> values;
int rc = 0;
values = (*this)[xpath_expr];
if (values.empty() == true)
{
value = def;
rc = -1;
}
else
{
istringstream iss;
iss.str(values[0]);
iss >> dec >> value;
if (iss.fail() == true)
{
value = def;
rc = -1;
}
}
return rc;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int ObjectXML::xpath(time_t& value, const char * xpath_expr, const time_t& def)
{
int int_val;