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134 lines
3.0 KiB
134 lines
3.0 KiB
/*
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* $Id: SerDBQuery.cpp,v 1.1 2004/09/21 14:50:50 rco Exp $
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "SerDBQuery.h"
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#include "SerClient.h"
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#include "AmServer.h"
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#include "AmUtils.h"
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#include "AmSession.h"
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#include "log.h"
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inline string vec2str(const vector<string>& v, char sep)
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{
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if(!v.size())
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return "";
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vector<string>::const_iterator it = v.begin();
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string res = *(it++);
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for(; it != v.end(); ++it)
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res += sep + *it;
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return res;
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}
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SerDBQuery::SerDBQuery(const string& tab_name)
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: tab_name(tab_name)
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{
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}
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int SerDBQuery::execute()
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{
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string keys_str = vec2str(keys,'\n');
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string wc_str = vec2str(where_clauses,'\n');
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string query =
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// ":DB:" + id + "\n"
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"select\n" +
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string(keys_str.empty() ? "" : keys_str + "\n") +
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".\n" +
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tab_name + "\n" +
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string(wc_str.empty() ? "" : wc_str + "\n") +
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".\n\n";
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SerClient* client = SerClient::getInstance();
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int id = client->open();
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if(id == -1){
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ERROR("could not open Ser client\n");
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return -1;
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}
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char* res_buf=0;
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int ret=-1;
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if(client->send(id,"DB",query,SER_DBREQ_TIMEOUT) == -1){
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ERROR("while sending query to Ser\n");
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goto error;
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}
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res_buf = client->getResponseBuffer(id);
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if(!res_buf){
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ERROR("while extracting Ser's response buffer\n");
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goto error;
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}
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ret = parseResult(res_buf);
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error:
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client->close(id);
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return ret;
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}
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int SerDBQuery::parseResult(char* str)
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{
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int ret = parseLine(str,cols,true);
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while(ret > 0){
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vector<string> line;
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ret = parseLine(str,line);
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if(ret>0)
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vals.push_back(line);
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}
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return (ret == -1 ? ret : vals.size());
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}
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int SerDBQuery::parseLine(char*& str, vector<string>& line, bool first)
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{
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char buf[MAX_LINE_SIZE] = "";
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int ret = msg_get_line(str, buf, MAX_LINE_SIZE);
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if(ret==-1){
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ERROR("Buffer overflow\n");
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return -1;
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}
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DBG("line=<%s>\n",buf);
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char* s=buf;
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char* c=s;
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for(; *c; s=++c){
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while(*c != '\0' && *c != ' ') c++;
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if(c!=s){
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*c = '\0';
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line.push_back(s);
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}
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}
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return line.size();
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}
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