dmppgsqlutils.cpp
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#include <iostream>
#include <libpq-fe.h>
#include <map>
#include <vector>
#include <boost/property_tree/ptree.hpp>
#include "dmppgsqlutils.h"
DmpPgsqlUtils::DmpPgsqlUtils()
{}
DmpPgsqlUtils::DmpPgsqlUtils( const char* strConn_,std::string& Msg_)
{
//std::string strconn_="hostaddr=172.26.99.160 prot=5432 dbname='DmapServer' user='postgres' password='chinadci'";
conn_=strConn_;
basepconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
Msg_= (std::string)PQerrorMessage(basepconn_);
}
}
DmpPgsqlUtils::~DmpPgsqlUtils()
{
if(PQstatus(basepconn_)==CONNECTION_OK)
{
PQfinish(basepconn_);
}
}
void DmpPgsqlUtils::do_exit(PGconn *conn)
{
PQfinish(conn);
exit(1);
}
bool DmpPgsqlUtils::GetDMapServices(std::map<int,DMapService> &dmapServices_,std::string& Msg_)
{
PGresult *res_;
const char* strsql="SELECT name, title, state::character, create_time, update_time, description, node::character, overview, type, service_guid, catalog_guid FROM public.dmap_service where type='WMTS'";
//char* conn_="hostaddr=172.26.60.100 port=5432 dbname=dmap_manager_test user=postgres password=chinadci";
//PGconn* pconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
res_ = PQexec(basepconn_,strsql);
int tuple_num=PQntuples(res_);
int field_num=PQnfields(res_);
if(tuple_num>0)
{
for(int i=0;i<tuple_num;i++)
{
std::string name_=PQgetvalue(res_,i,0);
std::string state_=PQgetvalue(res_,i,2);
std::string createtime_=PQgetvalue(res_,i,3);
std::string type_=PQgetvalue(res_,i,8);
std::string serviceguid_=PQgetvalue(res_,i,9);
DMapService service{
.name=name_,
.state=state_,
.create_time=createtime_,
.type=type_,
.service_guid=serviceguid_
};
dmapServices_[i]=service;
}
}
else
{
return false;
}
PQclear(res_);
return true;
}
bool DmpPgsqlUtils::GetDMapService(DMapService &dmapService_,const std::string& servicename_,std::string& Msg_)
{
PGresult *res_;
std::string strsql_="SELECT name, title, state::character, create_time, update_time, description, node::character, overview, type, service_guid, catalog_guid FROM public.dmap_service where name='"+servicename_+"'";
const char* csql_=strsql_.c_str();
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
res_ = PQexec(basepconn_,csql_);
int tuple_num=PQntuples(res_);
int field_num=PQnfields(res_);
if(tuple_num==1)
{
std::string name_=PQgetvalue(res_,0,0);
std::string state_=PQgetvalue(res_,0,2);
std::string createtime_=PQgetvalue(res_,0,3);
std::string type_=PQgetvalue(res_,0,8);
std::string serviceguid_=PQgetvalue(res_,0,9);
DMapService service{
.name=name_,
.state=state_,
.create_time=createtime_,
.type=type_,
.service_guid=serviceguid_
};
dmapService_=service;
}
else
{
return false;
}
PQclear(res_);
return true;
}
bool DmpPgsqlUtils::GetDMapwmts(const std::string& serviceGuid_,DMapWmtsService& resWmts_,std::string& Msg_)
{
//char* conn_="hostaddr=172.26.60.100 port=5432 dbname=dmap_manager_test user=postgres password=chinadci";
std::string strsql_="SELECT name, wmts_type, vendor, create_time::character, crs, datasource, metadata_url, scheme_guid FROM public.dmap_wmts where guid='"+serviceGuid_+"'";
const char* csql_=strsql_.c_str();
//PGconn* pconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
PGresult *res_;
res_ = PQexec(basepconn_,csql_);
int tuple_num=PQntuples(res_);
int field_num=PQnfields(res_);
if(tuple_num>0)
{
resWmts_.name=PQgetvalue(res_,0,0);
resWmts_.type=PQgetvalue(res_,0,1);
std::string v=PQgetvalue(res_,0,2);
resWmts_.vendor=StringToVendor(v);
resWmts_.create_time=PQgetvalue(res_,0,3);
resWmts_.crs=PQgetvalue(res_,0,4);
resWmts_.datasource=PQgetvalue(res_,0,5);
resWmts_.metadata_url=PQgetvalue(res_,0,6);
resWmts_.tile_id= PQgetvalue(res_,0,7);
}
else
{
return false;
}
PQclear(res_);
return true;
}
bool DmpPgsqlUtils::GetDMapwmtsFromName(const std::string& serviceName_, DMapWmtsService& resWmts_,std::string& Msg_)
{
std::string strsql_="SELECT name, wmts_type, vendor, create_time::character, crs, datasource, metadata_url,layer_name, layer_alias, layer_title, layer_style, layer_format, layer_extent, scheme_guid FROM public.dmap_wmts where name='"+serviceName_+"'";
const char* csql_=strsql_.c_str();
//PGconn* pconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
PGresult *res_;
res_ = PQexec(basepconn_,csql_);
int tuple_num=PQntuples(res_);
int field_num=PQnfields(res_);
if(tuple_num>0)
{
resWmts_.name=PQgetvalue(res_,0,0);
resWmts_.type=PQgetvalue(res_,0,1);
std::string v=PQgetvalue(res_,0,2);
resWmts_.vendor=StringToVendor(v);
resWmts_.create_time=PQgetvalue(res_,0,3);
resWmts_.crs=PQgetvalue(res_,0,4);
resWmts_.datasource=PQgetvalue(res_,0,5);
resWmts_.metadata_url=PQgetvalue(res_,0,6);
resWmts_.layername=PQgetvalue(res_,0,7);
resWmts_.layer_alias=PQgetvalue(res_,0,8);
resWmts_.layer_tile=PQgetvalue(res_,0,9);
resWmts_.layer_style=PQgetvalue(res_,0,10);
resWmts_.layer_format=PQgetvalue(res_,0,11);
resWmts_.layer_extent=PQgetvalue(res_,0,12);
resWmts_.tile_id= PQgetvalue(res_,0,13);
}
else
{
return false;
}
PQclear(res_);
return true;
}
bool DmpPgsqlUtils::GetTileScheme(const std::string& guid_,TileScheme& tileScheme_,std::string& Msg_)
{
std::string strsql_="SELECT guid, name, alias, description, crs, crs_wkt, extent, top_left, levels, dpi::character, rows::character, cols::character, update_time, parameter FROM public.dmap_tile_scheme where guid='"+guid_+"'";
const char* csql_=strsql_.c_str();
//PGconn* pconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
PGresult *res_;
res_ = PQexec(basepconn_,csql_);
int tuple_num=PQntuples(res_);
int field_num=PQnfields(res_);
if(tuple_num>0)
{
tileScheme_.guid=PQgetvalue(res_,0,0);
tileScheme_.name=PQgetvalue(res_,0,1);
tileScheme_.crs=PQgetvalue(res_,0,4);
tileScheme_.wkt=PQgetvalue(res_,0,5);
tileScheme_.layer_extent=PQgetvalue(res_,0,6);
tileScheme_.top_left=PQgetvalue(res_,0,7);
tileScheme_.levels=PQgetvalue(res_,0,8);
tileScheme_.dpi=PQgetvalue(res_,0,9);
tileScheme_.rows=PQgetvalue(res_,0,10);
tileScheme_.cols=PQgetvalue(res_,0,11);
}
else
{
return false;
}
PQclear(res_);
return true;
}
bool DmpPgsqlUtils::CreatServerPTree(const DMapService &dmapServices_,const DMapWmtsService& resWmts_,boost::property_tree::ptree& pt_root)
{
boost::property_tree::ptree pt_properties;
pt_root.add("serviceName",dmapServices_.name);
pt_root.add("mapType",dmapServices_.type);
pt_root.add("state",dmapServices_.state);
pt_root.add("capabilities",dmapServices_.type+"Server");
pt_root.add_child("properties",pt_properties);
pt_properties.add("filePath","postgresql");
pt_properties.add("maxScale","");
pt_properties.add("minScale","");
boost::property_tree::ptree pt_services,pt_service;
//pt_service.add("typeName",atoi(dmpwmtsservices_.type.c_str()));
pt_service.add("typeName",0);
pt_service.add("enabled","true");
pt_service.add("properties.tileVersion",resWmts_.vendor);
pt_service.add("properties.tilePath",resWmts_.datasource);
pt_service.add("capabilities","");
pt_services.push_back(std::make_pair("", pt_service));
pt_root.put_child("services",pt_services);
return true;
}
bool DmpPgsqlUtils::GetDMapServices(DMapService &dmapService_,const std::string serviceName_,std::string& Msg_)
{
PGresult *res_;
const char* strsql="SELECT name, title, state::character, create_time, update_time, description, node::character, overview, type, service_guid, catalog_guid FROM public.dmap_service where type='WMTS'";
//char* conn_="hostaddr=172.26.60.100 port=5432 dbname=dmap_manager_test user=postgres password=chinadci";
//PGconn* pconn_=PQconnectdb(conn_);
if(PQstatus(basepconn_)!=CONNECTION_OK)
{
std::string Msg_= (std::string)PQerrorMessage(basepconn_);
PQfinish(basepconn_);
return false;
}
res_ = PQexec(basepconn_,strsql);
int tuple_num=PQntuples(res_);
if(tuple_num>0)
{
dmapService_.name=PQgetvalue(res_,0,0);
dmapService_.state=PQgetvalue(res_,0,2);
dmapService_.create_time=PQgetvalue(res_,0,3);
dmapService_.type=PQgetvalue(res_,0,8);
dmapService_.service_guid=PQgetvalue(res_,0,9);
}
else
{
return false;
}
PQclear(res_);
return true;
}
std::string DmpPgsqlUtils::StringToVendor(const std::string str)
{
std::string v="-1";
if(str=="ESRI_V0")
v="0";
else if(str=="ESRI_V1")
v="1";
else if(str=="ESRI_V2")
v="2";
else if(str=="QGIS")
v="3";
else
{}
return v;
}