version 1.1.2.1, 2011/11/22 21:12:52
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version 1.1.2.7, 2011/11/24 16:00:31
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#include "global.h" |
#include "global.h" |
#include "dbmqtt.h" |
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/* |
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* mqtt_db_log() Log database connection message |
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* |
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* @fmt = format string |
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* @... = argument list |
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* return: none |
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*/ |
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static void |
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mqtt_rtlm_log(const char *fmt, ...) |
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{ |
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va_list lst; |
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va_start(lst, fmt); |
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vsyslog(LOG_ERR, fmt, lst); |
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va_end(lst); |
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} |
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#define MQTT_RTLM_LOG(_sql) (assert((_sql)), mqtt_rtlm_log("Error:: SQL #%d - %s", \ |
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sqlite3_errcode((_sql)), sqlite3_errmsg((_sql)))) |
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/* |
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* mqtt_rtlm_open() Open database connection |
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* |
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* @cfg = config filename |
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* return: NULL error or SQL handle |
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*/ |
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sqlite3 * |
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mqtt_rtlm_open(sl_config *cfg) |
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{ |
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sqlite3 *sql = NULL; |
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const char *str = NULL; |
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if (!cfg) |
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return NULL; |
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str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("name")); |
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if (!str) { |
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mqtt_rtlm_log("Error:: Unknown database name ...\n"); |
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return NULL; |
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} |
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if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READWRITE, NULL)) { |
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MQTT_RTLM_LOG(sql); |
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sqlite3_close(sql); |
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return NULL; |
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} |
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return sql; |
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} |
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/* |
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* mqtt_rtlm_close() Close database connection |
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* |
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* @sql = SQL handle |
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* return: none |
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*/ |
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void |
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mqtt_rtlm_close(sqlite3 *sql) |
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{ |
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sqlite3_close(sql); |
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} |
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/* |
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* mqtt_rtlm_init_session() Create session |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @user = username |
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* @host = hostname |
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* @port = port |
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* return: -1 error, 0 session already appears or >0 row changed |
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*/ |
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int |
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mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host, u_short port) |
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{ |
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int ret = 0; |
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char *str, szStmt[BUFSIZ] = { 0 }; |
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sqlite3_stmt *stmt; |
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if (!cfg || !sql) |
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return -1; |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); |
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if (!str) { |
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mqtt_rtlm_log("Error:: not found topics table name"); |
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return -1; |
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} |
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snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (Username, RemoteHost, RemotePort) " |
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"VALUES ('%s', '%s', %d);", str, user, host, port); |
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if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
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MQTT_RTLM_LOG(sql); |
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return -1; |
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} |
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if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
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ret = sqlite3_changes(sql); |
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else { |
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if (ret > SQLITE_OK && ret < SQLITE_ROW) |
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MQTT_RTLM_LOG(sql); |
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ret = 0; |
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} |
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sqlite3_finalize(stmt); |
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return ret; |
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} |
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/* |
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* mqtt_rtlm_fini_session() Delete session(s) |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @user = username |
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* @host = hostname |
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* return: -1 error, 0 session already appears or >0 row changed |
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*/ |
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int |
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mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host) |
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{ |
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int ret = 0; |
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char *str, szStmt[BUFSIZ] = { 0 }; |
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sqlite3_stmt *stmt; |
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if (!cfg || !sql) |
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return -1; |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); |
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if (!str) { |
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mqtt_rtlm_log("Error:: not found topics table name"); |
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return -1; |
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} |
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snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE Username = '%s' AND RemoteHost LIKE '%s';", |
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str, user, host); |
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if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
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MQTT_RTLM_LOG(sql); |
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return -1; |
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} |
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if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
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ret = sqlite3_changes(sql); |
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else { |
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if (ret > SQLITE_OK && ret < SQLITE_ROW) |
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MQTT_RTLM_LOG(sql); |
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ret = 0; |
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} |
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sqlite3_finalize(stmt); |
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return ret; |
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} |
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/* |
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* mqtt_rtlm_chk_session() Check session(s) |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @user = username |
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* @host = hostname |
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* return: -1 error, 0 not logged or >0 logged found rows |
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*/ |
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int |
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mqtt_rtlm_chk_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host) |
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{ |
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int ret = 0; |
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char *str, szStmt[BUFSIZ] = { 0 }; |
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sqlite3_stmt *stmt; |
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if (!cfg || !sql) |
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return -1; |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); |
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if (!str) { |
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mqtt_rtlm_log("Error:: not found topics table name"); |
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return -1; |
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} |
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snprintf(szStmt, sizeof szStmt, "SELECT RemoteHost, RemotePort FROM %s WHERE " |
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"Username = '%s' AND RemoteHost LIKE '%s';", str, user, host); |
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if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
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MQTT_RTLM_LOG(sql); |
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return -1; |
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} |
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if (sqlite3_step(stmt) == SQLITE_ROW) |
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ret = sqlite3_changes(sql); |
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else |
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ret = 0; |
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sqlite3_finalize(stmt); |
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return ret; |
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} |