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;
}