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#include "MySQLAdo.h"
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#include <assert.h>
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#include <cstdlib>
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#include <cstring>
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#include <time.h>
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using namespace std;
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#ifdef USING_MYSQL
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#ifdef _WIN32
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#pragma comment( lib, "mariadbclient.lib" )
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#endif
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std::vector<IEC_POINT_TABLE> g_iec_points;
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std::map<unsigned int, IEC_POINT_TABLE*> g_iec_point_map;
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#ifdef USING_MYSQL
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bool LoadIecPoints();
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#endif
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static void show_mysql_error(MYSQL *mysql, const char* name)
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{
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printf("%s: Error(%d) [%s] \"%s\"", name, mysql_errno(mysql),
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mysql_sqlstate(mysql),
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mysql_error(mysql));
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}
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static void show_stmt_error(MYSQL_STMT *stmt, const char* name)
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{
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printf("%s: Error(%d) [%s] \"%s\"", name, mysql_stmt_errno(stmt),
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mysql_stmt_sqlstate(stmt),
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mysql_stmt_error(stmt));
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}
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static void ConvertTimestampToMySQLTime(time_t t, MYSQL_TIME& ts)
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{
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struct tm *ptm = gmtime(&t);
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ts.year = ptm->tm_year + 1900;
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ts.month = ptm->tm_mon + 1;
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ts.day = ptm->tm_mday;
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ts.hour = ptm->tm_hour;
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ts.minute = ptm->tm_min;
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ts.second = ptm->tm_sec;
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ts.time_type = MYSQL_TIMESTAMP_DATETIME;
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}
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inline void BindNullValue(MYSQL_BIND& bind)
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{
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bind.buffer = NULL;
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bind.is_unsigned = false;
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bind.is_null_value = 1;
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bind.buffer_type = MYSQL_TYPE_NULL;
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bind.buffer_length = 0;
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}
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inline void BindUByteValue(MYSQL_BIND& bind, const unsigned char& value)
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{
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bind.buffer = (char *)&value;
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bind.is_unsigned = true;
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bind.buffer_type = MYSQL_TYPE_TINY;
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bind.buffer_length = sizeof(value);
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}
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inline void BindUShortValue(MYSQL_BIND& bind, const unsigned short& value)
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{
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bind.buffer = (char *)&value;
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bind.is_unsigned = true;
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bind.buffer_type = MYSQL_TYPE_SHORT;
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bind.buffer_length = sizeof(value);
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}
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inline void BindUIntValue(MYSQL_BIND& bind, const unsigned int& value)
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{
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bind.buffer = (char *)&value;
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bind.is_unsigned = true;
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bind.buffer_type = MYSQL_TYPE_LONG;
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bind.buffer_length = sizeof(value);
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}
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inline void BindULongValue(MYSQL_BIND& bind, const unsigned long long& value)
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{
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bind.buffer = (char *)&value;
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bind.is_unsigned = true;
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bind.buffer_type = MYSQL_TYPE_LONGLONG;
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bind.buffer_length = sizeof(value);
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}
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inline void BindFloatValue(MYSQL_BIND& bind, const float& value)
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{
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bind.buffer = (char *)&value;
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bind.buffer_type = isnan(value) ? MYSQL_TYPE_NULL : MYSQL_TYPE_FLOAT;
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if (isnan(value))
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{
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// bind.is_null_value = 1;
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}
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bind.buffer_length = sizeof(value);
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}
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inline void BindDoubleValue(MYSQL_BIND& bind, const double& value)
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{
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bind.buffer = (char *)&value;
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bind.buffer_type = isnan(value) ? MYSQL_TYPE_NULL : MYSQL_TYPE_DOUBLE;
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if (isnan(value))
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{
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// bind.is_null_value = 1;
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}
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bind.buffer_length = sizeof(value);
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}
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inline void BindValue(MYSQL_BIND& bind, const char* value, unsigned long& len)
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{
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bind.buffer = (char *)value;
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bind.buffer_length = len;
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bind.buffer_type = MYSQL_TYPE_STRING;
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bind.length = &len;
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}
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#endif
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bool PingDatabase();
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#ifdef USING_MYSQL
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MYSQL* mysql = NULL;
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#endif // USING_MYSQL
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bool InitDatabase(int argc, char **argv, const char* host, const char* username, const char* password, const char* database)
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{
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#ifdef USING_MYSQL
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if (mysql_library_init(argc, argv, NULL) != 0)
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{
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return false;
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}
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mysql = NULL;
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mysql = mysql_init(mysql);
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char value = 1;
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mysql_options(mysql, MYSQL_OPT_RECONNECT, (char *)&value);
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MYSQL* handle = mysql_real_connect(mysql, host, username, password, database,
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0, /* port number, 0 for default */
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NULL, /* socket file or named pipe name */
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CLIENT_FOUND_ROWS /* connection flags */);
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if (handle == NULL)
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{
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show_mysql_error(mysql, "Connect MySQL");
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mysql_close(mysql);
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mysql = NULL;
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return false;
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}
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mysql_query(mysql, "SET NAMES utf8");
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return true;
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#else
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return true;
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#endif // USING_MYSQL
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}
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bool UninitDatabase()
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{
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#ifdef USING_MYSQL
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if (mysql != NULL) mysql_close(mysql);
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mysql_library_end();
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#endif
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return true;
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}
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bool PingDatabase()
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{
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#ifdef USING_MYSQL
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if (mysql == NULL)
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return false;
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return mysql_ping(mysql) == 0;
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#else
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return false;
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#endif // USING_MYSQL
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}
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#ifdef USING_MYSQL
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bool LoadIecPoints()
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{
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// const char* sql = "SELECT t1.`id`,t1.`site_id`,t1.`sensor_id`,t2.sensor_code,t2.grp_no FROM iec_points AS t1 LEFT JOIN iec_sensors AS t2 t1.sensor_id=t2.`id` WHERE t1.`status`=1 AND t2.`status`=1 ORDER BY t1.site_id,t2.sadr";
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const char* sql = "SELECT t1.`id`,t1.`site_id`,t1.`sensor_id`,t2.sensor_code,t2.grp_no FROM niec_points AS t1 LEFT JOIN niec_sensors AS t2 t1.sensor_id=t2.`id` WHERE t1.`status`=1 AND t2.`status`=1 ORDER BY t1.site_id,t2.sadr";
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if (mysql_query(mysql, sql))
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{
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// error
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show_mysql_error(mysql, "LoadIecPoints");
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return false;
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}
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MYSQL_RES* res = mysql_store_result(mysql);
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if (res == NULL)
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{
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show_mysql_error(mysql, "LoadIecPoints");
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return false;
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}
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MYSQL_ROW row;
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IEC_POINT_TABLE pt;
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size_t fieldIdx = 0;
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while (row = mysql_fetch_row(res))
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{
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fieldIdx = 1;
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// t1.`id`,t1.`site_id`,t1.`sensor_id`,t2.sensor_code,t2.grp_no
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pt.sadr = strtoul(row[fieldIdx++], NULL, 10);
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pt.siteId = strtoul(row[fieldIdx++], NULL, 10);
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fieldIdx++; // sensor code 17位编码
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pt.sensorId = strtoul(row[fieldIdx++], NULL, 10);
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pt.sensorGroupNo = strtoul(row[fieldIdx++], NULL, 10);
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g_iec_points.push_back(pt);
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}
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}
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#endif
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/*
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返回值：
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1: 正确
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0: 没有更多数据
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-1: 出错
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*/
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int GetAIPntMsg(int j, unsigned int *igno, unsigned int* iItemNo, DAY_TIME* sCurTime, float* pfValue, unsigned int *iaddr)
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{
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#ifdef USING_MYSQL
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if (j < 0)
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{
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return -1;
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}
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if (j >= g_iec_points.size())
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{
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return 0;
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}
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const IEC_POINT_TABLE& pt = g_iec_points[j];
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if (PingDatabase())
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{
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return -1;
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}
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std::string sql = "SELECT sadr,state,stype,ival,fval,d_time FROM niec_origin_data WHERE sadr=" + std::to_string(pt.sadr) + " ORDER BY `id` DESC LIMIT 1";
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if (mysql_query(mysql, sql.c_str()))
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{
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// error
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show_mysql_error(mysql, "GetAIPntMsg");
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return -1;
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}
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MYSQL_RES* res = mysql_store_result(mysql);
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if (res == NULL)
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{
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return -1;
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}
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int year = 0, mon = 0, day = 0, hour = 0, min = 0, sec = 0;
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MYSQL_ROW row = mysql_fetch_row(res);
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if (row)
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{
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if (igno != NULL) *igno = pt.sensorGroupNo;
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if (iItemNo != NULL) *iItemNo = pt.itemNo;
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if (iaddr != NULL) *iaddr = pt.sadr;
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if (pfValue != NULL) *pfValue = atof(row[4]);
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if (sCurTime != NULL && row[5] != NULL)
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{
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sscanf(row[5], "%04d-%02d-%2d %02d:%02d:%02d", &year, &mon, &day, &hour, &min, &sec);
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sCurTime->Year = year;
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sCurTime->Month = mon;
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sCurTime->Day = day;
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sCurTime->Hour = hour;
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sCurTime->Min = min;
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sCurTime->Sec = sec;
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sCurTime->mSec = 0;
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}
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}
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mysql_free_result(res);
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return row != NULL ? 1 : -1;
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#endif
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return 0;
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}
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Matthew
2 years ago