version 1.1.2.3, 2011/11/23 14:51:14
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version 1.1.2.17, 2011/12/16 02:09:20
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#include "global.h" |
#include "global.h" |
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extern const char sql_schema[]; |
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/* |
/* |
* mqtt_db_log() Log database connection message |
* mqtt_db_log() Log database connection message |
* |
* |
Line 36 mqtt_rtlm_open(sl_config *cfg)
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Line 39 mqtt_rtlm_open(sl_config *cfg)
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if (!cfg) |
if (!cfg) |
return NULL; |
return NULL; |
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/* |
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if (!sqlite3_threadsafe() || sqlite3_config(SQLITE_CONFIG_SERIALIZED)) |
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return NULL; |
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*/ |
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str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("name")); |
str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("name")); |
if (!str) { |
if (!str) { |
mqtt_rtlm_log("Error:: Unknown database name ...\n"); |
mqtt_rtlm_log("Error:: Unknown database name ...\n"); |
return NULL; |
return NULL; |
} |
} |
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if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READWRITE, NULL)) { | if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL)) { |
MQTT_RTLM_LOG(sql); |
MQTT_RTLM_LOG(sql); |
sqlite3_close(sql); |
sqlite3_close(sql); |
return NULL; |
return NULL; |
} |
} |
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if (sqlite3_exec(sql, sql_schema, NULL, NULL, 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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} |
return sql; |
return sql; |
} |
} |
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Line 61 void
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Line 74 void
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mqtt_rtlm_close(sqlite3 *sql) |
mqtt_rtlm_close(sqlite3 *sql) |
{ |
{ |
sqlite3_close(sql); |
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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* @connid = connection id |
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* @user = username |
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* @host = hostname |
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* @will = will flag if !=0 must fill arguments |
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* @... = will arguments in order topic,msg,qos,retain |
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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 *connid, const char *user, |
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const char *host, char will, ...) |
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{ |
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va_list lst; |
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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 online table name"); |
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return -1; |
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} |
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if (!will) |
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snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (ConnID, Username, RemoteHost, " |
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"WillFlag) VALUES ('%s', '%s', '%s', 0);", str, connid, user, host); |
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else { |
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va_start(lst, will); |
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snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (ConnID, Username, RemoteHost, " |
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"WillFlag, WillRetain, WillQoS, WillMsg, WillTopic) " |
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"VALUES ('%s', '%s', '%s', %d, %d, %d, '%s', '%s');", |
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str, connid, user, host, will, |
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va_arg(lst, int), va_arg(lst, int), va_arg(lst, char*), va_arg(lst, char*)); |
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va_end(lst); |
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} |
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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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* @connid = connection id |
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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 *connid, 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 online table name"); |
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return -1; |
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} |
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snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE ConnID = '%s' AND Username = '%s' " |
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"AND RemoteHost LIKE '%s';", str, user, connid, 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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* @connid = connection id |
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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 *connid, 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 online table name"); |
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return -1; |
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} |
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snprintf(szStmt, sizeof szStmt, "SELECT ConnID, RemoteHost FROM %s WHERE " |
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"ConnID = '%s' AND Username = '%s' AND RemoteHost LIKE '%s';", |
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str, connid, 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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} |
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/* |
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* mqtt_rtlm_write_topic() Publish topic |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @msgid = MessageID |
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* @topic = topic |
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* @txt = text |
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* @user = username |
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* @host = hostname |
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* @retain = !=0 retain message to database |
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* return: -1 error, 0 no publish or >0 published ok |
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*/ |
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int |
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mqtt_rtlm_write_topic(sl_config *cfg, sqlite3 *sql, u_short msgid, const char *topic, const char *txt, |
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const char *user, const char *host, char retain) |
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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 || !topic) |
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return -1; |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_topics")); |
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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 (Retain, MsgID, Topic, Value, PubUser, " |
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"PubDate, PubHost) VALUES (%d, %d, '%s', '%s', '%s', " |
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"datetime('now', 'localtime'), '%s');", |
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str, retain, msgid, topic, txt, 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_delete_topic() Delete topic |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @msgid = MessageID |
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* @topic = topic |
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* @user = username |
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* @host = hostname |
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* @retain = -1 no matter |
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* return: -1 error, 0 no changes or >0 deleted rows |
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*/ |
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int |
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mqtt_rtlm_delete_topic(sl_config *cfg, sqlite3 *sql, u_short msgid, const char *topic, |
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const char *user, const char *host, char retain) |
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{ |
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int ret = 0; |
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char *str, *rtn, szStmt[BUFSIZ] = { 0 }; |
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sqlite3_stmt *stmt; |
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if (!cfg || !sql || !topic) |
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return -1; |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_topics")); |
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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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switch (retain) { |
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case -1: |
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rtn = ""; |
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break; |
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case 0: |
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rtn = "AND Retain = 0"; |
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break; |
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default: |
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rtn = "AND Retain != 0"; |
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break; |
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} |
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snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE MsgID = %d AND Topic LIKE '%s' AND " |
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"PubUser LIKE '%s' AND PubHost LIKE '%s' %s;", str, |
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msgid, topic, user, host, rtn); |
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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_read_topic() Get topic |
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* |
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* @cfg = loaded config |
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* @sql = SQL handle |
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* @msgid = MessageID |
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* @topic = topic |
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* @retain = retain 0 get only dynamic, >0 get only retained and -1 no matter |
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* return: NULL error or not found and !=NULL allocated subscribe topics |
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*/ |
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mqtt_subscr_t * |
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mqtt_rtlm_read_topic(sl_config *cfg, sqlite3 *sql, u_short msgid, const char *topic, char retain) |
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{ |
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int rowz = 0; |
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char *str, szStr[STRSIZ], szStmt[BUFSIZ] = { 0 }; |
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sqlite3_stmt *stmt; |
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register int j; |
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mqtt_subscr_t *s = NULL; |
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if (!cfg || !sql || !topic) |
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return NULL; |
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switch (retain) { |
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case -1: |
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memset(szStr, 0, sizeof szStr); |
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break; |
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case 0: |
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snprintf(szStr, sizeof szStr, "AND Retain = 0"); |
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break; |
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default: |
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snprintf(szStr, sizeof szStr, "AND Retain > 0"); |
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break; |
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} |
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str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_topics")); |
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if (!str) { |
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mqtt_rtlm_log("Error:: not found topics table name"); |
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return NULL; |
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} |
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snprintf(szStmt, sizeof szStmt, "SELECT Retain, Topic, Value FROM %s WHERE " |
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"MsgID = %d AND Topic LIKE '%s' %s;", |
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str, msgid, topic, szStr); |
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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 NULL; |
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} |
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/* calculate count of rows and allocate subscribe items */ |
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while (sqlite3_step(stmt) == SQLITE_ROW) |
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rowz++; |
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if (!(s = malloc((rowz + 1) * sizeof(mqtt_subscr_t)))) { |
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mqtt_rtlm_log("Error:: System #%d - %s", errno, strerror(errno)); |
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goto end; |
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} else |
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memset(s, 0, (rowz + 1) * sizeof(mqtt_subscr_t)); |
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sqlite3_reset(stmt); |
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/* fill with data */ |
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for (j = 0; j < rowz && sqlite3_step(stmt) == SQLITE_ROW; j++) { |
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s[j].sub_ret = (char) sqlite3_column_int(stmt, 0); |
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s[j].sub_topic._base = (u_char*) strdup((char*) sqlite3_column_text(stmt, 1)); |
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s[j].sub_topic._size = strlen((char*) s[j].sub_topic._base); |
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s[j].sub_value._base = (u_char*) strdup((char*) sqlite3_column_text(stmt, 2)); |
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s[j].sub_value._size = strlen((char*) s[j].sub_value._base); |
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} |
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end: |
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sqlite3_finalize(stmt); |
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return s; |
} |
} |