version 1.1.2.6, 2011/11/24 15:34:18
|
version 1.2.2.4, 2012/04/25 07:37:16
|
Line 1
|
Line 1
|
#include "global.h" |
#include "global.h" |
|
|
|
|
|
extern const char sql_schema[]; |
|
|
|
|
/* |
/* |
* mqtt_db_log() Log database connection message |
* mqtt_db_log() Log database connection message |
* |
* |
Line 28 mqtt_rtlm_log(const char *fmt, ...)
|
Line 31 mqtt_rtlm_log(const char *fmt, ...)
|
* return: NULL error or SQL handle |
* return: NULL error or SQL handle |
*/ |
*/ |
sqlite3 * |
sqlite3 * |
mqtt_rtlm_open(sl_config *cfg) | mqtt_rtlm_open(cfg_root_t *cfg) |
{ |
{ |
sqlite3 *sql = NULL; |
sqlite3 *sql = NULL; |
const char *str = NULL; |
const char *str = NULL; |
Line 36 mqtt_rtlm_open(sl_config *cfg)
|
Line 39 mqtt_rtlm_open(sl_config *cfg)
|
if (!cfg) |
if (!cfg) |
return NULL; |
return NULL; |
|
|
str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("name")); | sqlite3_config(SQLITE_CONFIG_SERIALIZED); |
| if (!sqlite3_threadsafe()) |
| return NULL; |
| |
| str = cfg_getAttribute(cfg, "mqtt_pub", "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; |
} |
} |
|
|
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; |
} |
} |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_exec(sql, sql_schema, NULL, NULL, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
sqlite3_close(sql); |
|
return NULL; |
|
} |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
return sql; |
return sql; |
} |
} |
|
|
Line 68 mqtt_rtlm_close(sqlite3 *sql)
|
Line 83 mqtt_rtlm_close(sqlite3 *sql)
|
* |
* |
* @cfg = loaded config |
* @cfg = loaded config |
* @sql = SQL handle |
* @sql = SQL handle |
|
* @connid = connection id |
* @user = username |
* @user = username |
* @host = hostname |
* @host = hostname |
* @port = port | * @will = will flag if !=0 must fill arguments |
| * @... = will arguments in order topic,msg,qos,retain |
* return: -1 error, 0 session already appears or >0 row changed |
* return: -1 error, 0 session already appears or >0 row changed |
*/ |
*/ |
int |
int |
mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host, u_short port) | mqtt_rtlm_init_session(cfg_root_t *cfg, sqlite3 *sql, const char *connid, const char *user, |
| const char *host, char will, ...) |
{ |
{ |
|
va_list lst; |
int ret = 0; |
int ret = 0; |
char *str, szStmt[BUFSIZ] = { 0 }; |
char *str, szStmt[BUFSIZ] = { 0 }; |
sqlite3_stmt *stmt; |
sqlite3_stmt *stmt; |
Line 83 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
Line 102 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
if (!cfg || !sql) |
if (!cfg || !sql) |
return -1; |
return -1; |
|
|
str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); | str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_online"); |
if (!str) { |
if (!str) { |
mqtt_rtlm_log("Error:: not found topics table name"); | mqtt_rtlm_log("Error:: not found online table name"); |
return -1; |
return -1; |
} |
} |
snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (Username, RemoteHost, RemotePort) " | if (!will) |
"VALUES ('%s', '%s', %d);", str, user, host, port); | snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (ConnID, Username, RemoteHost, " |
| "WillFlag) VALUES ('%s', '%s', '%s', 0);", str, connid, user, host); |
| else { |
| va_start(lst, will); |
| snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (ConnID, Username, RemoteHost, " |
| "WillFlag, WillRetain, WillQoS, WillMsg, WillTopic) " |
| "VALUES ('%s', '%s', '%s', %d, %d, %d, '%s', '%s');", |
| str, connid, user, host, will, |
| va_arg(lst, int), va_arg(lst, int), va_arg(lst, char*), va_arg(lst, char*)); |
| va_end(lst); |
| } |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
MQTT_RTLM_LOG(sql); |
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
return -1; |
return -1; |
} |
} |
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
Line 103 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
Line 134 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
ret = 0; |
ret = 0; |
} |
} |
sqlite3_finalize(stmt); |
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
return ret; |
return ret; |
} |
} |
Line 112 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
Line 144 mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, c
|
* |
* |
* @cfg = loaded config |
* @cfg = loaded config |
* @sql = SQL handle |
* @sql = SQL handle |
|
* @connid = connection id |
* @user = username |
* @user = username |
* @host = hostname |
* @host = hostname |
* return: -1 error, 0 session already appears or >0 row changed |
* return: -1 error, 0 session already appears or >0 row changed |
*/ |
*/ |
int |
int |
mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host) | mqtt_rtlm_fini_session(cfg_root_t *cfg, sqlite3 *sql, const char *connid, const char *user, const char *host) |
{ |
{ |
int ret = 0; |
int ret = 0; |
char *str, szStmt[BUFSIZ] = { 0 }; |
char *str, szStmt[BUFSIZ] = { 0 }; |
Line 126 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
Line 159 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
if (!cfg || !sql) |
if (!cfg || !sql) |
return -1; |
return -1; |
|
|
str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); | str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_online"); |
if (!str) { |
if (!str) { |
mqtt_rtlm_log("Error:: not found topics table name"); | mqtt_rtlm_log("Error:: not found online table name"); |
return -1; |
return -1; |
} |
} |
snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE Username = '%s' AND RemoteHost LIKE '%s';", | snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE ConnID = '%s' AND Username = '%s' " |
str, user, host); | "AND RemoteHost LIKE '%s';", str, connid, user, host); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
MQTT_RTLM_LOG(sql); |
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
return -1; |
return -1; |
} |
} |
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
Line 146 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
Line 181 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
ret = 0; |
ret = 0; |
} |
} |
sqlite3_finalize(stmt); |
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
return ret; |
return ret; |
} |
} |
Line 155 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
Line 191 mqtt_rtlm_fini_session(sl_config *cfg, sqlite3 *sql, c
|
* |
* |
* @cfg = loaded config |
* @cfg = loaded config |
* @sql = SQL handle |
* @sql = SQL handle |
|
* @connid = connection id |
* @user = username |
* @user = username |
* @host = hostname |
* @host = hostname |
* return: -1 error, 0 not logged or >0 logged found rows |
* return: -1 error, 0 not logged or >0 logged found rows |
*/ |
*/ |
int |
int |
mqtt_rtlm_chk_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host) | mqtt_rtlm_chk_session(cfg_root_t *cfg, sqlite3 *sql, const char *connid, const char *user, const char *host) |
{ |
{ |
int ret = 0; |
int ret = 0; |
char *str, szStmt[BUFSIZ] = { 0 }; |
char *str, szStmt[BUFSIZ] = { 0 }; |
Line 169 mqtt_rtlm_chk_session(sl_config *cfg, sqlite3 *sql, co
|
Line 206 mqtt_rtlm_chk_session(sl_config *cfg, sqlite3 *sql, co
|
if (!cfg || !sql) |
if (!cfg || !sql) |
return -1; |
return -1; |
|
|
str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online")); | str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_online"); |
if (!str) { |
if (!str) { |
|
mqtt_rtlm_log("Error:: not found online table name"); |
|
return -1; |
|
} |
|
snprintf(szStmt, sizeof szStmt, "SELECT ConnID, RemoteHost FROM %s WHERE " |
|
"ConnID = '%s' AND Username = '%s' AND RemoteHost LIKE '%s';", |
|
str, connid, user, host); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return -1; |
|
} |
|
if (sqlite3_step(stmt) == SQLITE_ROW) |
|
ret = sqlite3_changes(sql); |
|
else |
|
ret = 0; |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_write_topic() Publish topic |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @msgid = MessageID |
|
* @topic = topic |
|
* @txt = text |
|
* @user = username |
|
* @host = hostname |
|
* @retain = !=0 retain message to database |
|
* return: -1 error, 0 no publish or >0 published ok |
|
*/ |
|
int |
|
mqtt_rtlm_write_topic(cfg_root_t *cfg, sqlite3 *sql, u_short msgid, const char *topic, const char *txt, |
|
const char *user, const char *host, char retain) |
|
{ |
|
int ret = 0; |
|
char *str, szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
|
|
if (!cfg || !sql || !topic) |
|
return -1; |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_topics"); |
|
if (!str) { |
mqtt_rtlm_log("Error:: not found topics table name"); |
mqtt_rtlm_log("Error:: not found topics table name"); |
return -1; |
return -1; |
} |
} |
snprintf(szStmt, sizeof szStmt, "SELECT RemoteHost, RemotePort FROM %s WHERE " | snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (Retain, MsgID, Topic, Value, PubUser, " |
"Username = '%s' AND RemoteHost LIKE '%s';", str, user, host); | "PubDate, PubHost) VALUES (%d, %d, '%s', '%s', '%s', " |
| "datetime('now', 'localtime'), '%s');", |
| str, retain, msgid, topic, txt, user, host); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
MQTT_RTLM_LOG(sql); |
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
return -1; |
return -1; |
} |
} |
while (sqlite3_step(stmt) == SQLITE_ROW); | if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
ret = sqlite3_changes(sql); | ret = sqlite3_changes(sql); |
| else { |
| if (ret > SQLITE_OK && ret < SQLITE_ROW) |
| MQTT_RTLM_LOG(sql); |
| ret = 0; |
| } |
sqlite3_finalize(stmt); |
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
return ret; |
return ret; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_delete_topic() Delete topic |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @msgid = MessageID |
|
* @topic = topic |
|
* @user = username |
|
* @host = hostname |
|
* @retain = -1 no matter |
|
* return: -1 error, 0 no changes or >0 deleted rows |
|
*/ |
|
int |
|
mqtt_rtlm_delete_topic(cfg_root_t *cfg, sqlite3 *sql, u_short msgid, const char *topic, |
|
const char *user, const char *host, char retain) |
|
{ |
|
int ret = 0; |
|
char *str, *rtn, szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
|
|
if (!cfg || !sql || !topic) |
|
return -1; |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_topics"); |
|
if (!str) { |
|
mqtt_rtlm_log("Error:: not found topics table name"); |
|
return -1; |
|
} |
|
switch (retain) { |
|
case -1: |
|
rtn = ""; |
|
break; |
|
case 0: |
|
rtn = "AND Retain = 0"; |
|
break; |
|
default: |
|
rtn = "AND Retain != 0"; |
|
break; |
|
} |
|
snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE MsgID = %d AND Topic LIKE '%s' AND " |
|
"PubUser LIKE '%s' AND PubHost LIKE '%s' %s;", str, |
|
msgid, topic, user, host, rtn); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return -1; |
|
} |
|
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
|
ret = sqlite3_changes(sql); |
|
else { |
|
if (ret > SQLITE_OK && ret < SQLITE_ROW) |
|
MQTT_RTLM_LOG(sql); |
|
ret = 0; |
|
} |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_read_topic() Get topic |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @msgid = MessageID |
|
* @topic = topic |
|
* @retain = retain 0 get only dynamic, >0 get only retained and -1 no matter |
|
* return: NULL error or not found and !=NULL allocated subscribe topics |
|
*/ |
|
mqtt_subscr_t * |
|
mqtt_rtlm_read_topic(cfg_root_t *cfg, sqlite3 *sql, u_short msgid, const char *topic, char retain) |
|
{ |
|
int rowz = 0; |
|
char *str, szStr[STRSIZ], szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
register int j; |
|
mqtt_subscr_t *s = NULL; |
|
|
|
if (!cfg || !sql || !topic) |
|
return NULL; |
|
|
|
switch (retain) { |
|
case -1: |
|
memset(szStr, 0, sizeof szStr); |
|
break; |
|
case 0: |
|
snprintf(szStr, sizeof szStr, "AND Retain = 0"); |
|
break; |
|
default: |
|
snprintf(szStr, sizeof szStr, "AND Retain > 0"); |
|
break; |
|
} |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_topics"); |
|
if (!str) { |
|
mqtt_rtlm_log("Error:: not found topics table name"); |
|
return NULL; |
|
} |
|
snprintf(szStmt, sizeof szStmt, "SELECT Retain, Topic, Value FROM %s WHERE " |
|
"MsgID = %d AND Topic LIKE '%s' %s;", |
|
str, msgid, topic, szStr); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return NULL; |
|
} |
|
|
|
/* calculate count of rows and allocate subscribe items */ |
|
while (sqlite3_step(stmt) == SQLITE_ROW) |
|
rowz++; |
|
if (!(s = malloc((rowz + 1) * sizeof(mqtt_subscr_t)))) { |
|
mqtt_rtlm_log("Error:: System #%d - %s", errno, strerror(errno)); |
|
goto end; |
|
} else |
|
memset(s, 0, (rowz + 1) * sizeof(mqtt_subscr_t)); |
|
sqlite3_reset(stmt); |
|
|
|
/* fill with data */ |
|
for (j = 0; j < rowz && sqlite3_step(stmt) == SQLITE_ROW; j++) { |
|
s[j].sub_ret = (char) sqlite3_column_int(stmt, 0); |
|
s[j].sub_topic.msg_base = (u_char*) strdup((char*) sqlite3_column_text(stmt, 1)); |
|
s[j].sub_topic.msg_len = strlen((char*) s[j].sub_topic.msg_base); |
|
s[j].sub_value.msg_base = (u_char*) strdup((char*) sqlite3_column_text(stmt, 2)); |
|
s[j].sub_value.msg_len = strlen((char*) s[j].sub_value.msg_base); |
|
} |
|
end: |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return s; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_write_subscribe() Subscribe topic |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @msgid = MessageID |
|
* @topic = topic |
|
* @user = username |
|
* @host = hostname |
|
* @qos = Subscribe QoS |
|
* return: -1 error, 0 no publish or >0 published ok |
|
*/ |
|
int |
|
mqtt_rtlm_write_subscribe(cfg_root_t *cfg, sqlite3 *sql, u_short msgid, const char *topic, |
|
const char *user, const char *host, char qos) |
|
{ |
|
int ret = 0; |
|
char *str, szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
|
|
if (!cfg || !sql || !topic) |
|
return -1; |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_subscribes"); |
|
if (!str) { |
|
mqtt_rtlm_log("Error:: not found subscribes table name"); |
|
return -1; |
|
} |
|
snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (MsgID, QoS, Topic, PubUser, " |
|
"PubDate, PubHost) VALUES (%d, %d, '%s', '%s', " |
|
"datetime('now', 'localtime'), '%s');", str, |
|
msgid, qos, topic, user, host); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return -1; |
|
} |
|
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
|
ret = sqlite3_changes(sql); |
|
else { |
|
if (ret > SQLITE_OK && ret < SQLITE_ROW) |
|
MQTT_RTLM_LOG(sql); |
|
ret = 0; |
|
} |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_delete_subscribe() Delete subscribe |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @topic = topic |
|
* @user = username |
|
* @host = hostname |
|
* @qos = Subscribe QoS if -1 no matter |
|
* return: -1 error, 0 no changes or >0 deleted rows |
|
*/ |
|
int |
|
mqtt_rtlm_delete_subscribe(cfg_root_t *cfg, sqlite3 *sql, const char *topic, |
|
const char *user, const char *host, char qos) |
|
{ |
|
int ret = 0; |
|
char *str, szStr[STRSIZ] = { 0 }, szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
|
|
if (!cfg || !sql || !topic) |
|
return -1; |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_subscribes"); |
|
if (!str) { |
|
mqtt_rtlm_log("Error:: not found subscribes table name"); |
|
return -1; |
|
} |
|
if (qos > -1 && qos < 3) |
|
snprintf(szStr, sizeof szStr, "AND QoS = %d", qos); |
|
snprintf(szStmt, sizeof szStmt, "DELETE FROM %s WHERE Topic LIKE '%s' AND " |
|
"PubUser LIKE '%s' AND PubHost LIKE '%s' %s;", str, |
|
topic, user, host, szStr); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return -1; |
|
} |
|
if ((ret = sqlite3_step(stmt)) == SQLITE_DONE) |
|
ret = sqlite3_changes(sql); |
|
else { |
|
if (ret > SQLITE_OK && ret < SQLITE_ROW) |
|
MQTT_RTLM_LOG(sql); |
|
ret = 0; |
|
} |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* mqtt_rtlm_read_subscribe() Get subscribe topic |
|
* |
|
* @cfg = loaded config |
|
* @sql = SQL handle |
|
* @topic = topic |
|
* return: NULL error or not found and !=NULL allocated subscribe topics |
|
*/ |
|
mqtt_subscr_t * |
|
mqtt_rtlm_read_subscribe(cfg_root_t *cfg, sqlite3 *sql, const char *topic) |
|
{ |
|
int rowz = 0; |
|
char *str, szStmt[BUFSIZ] = { 0 }; |
|
sqlite3_stmt *stmt; |
|
register int j; |
|
mqtt_subscr_t *s = NULL; |
|
|
|
if (!cfg || !sql || !topic) |
|
return NULL; |
|
|
|
str = (char*) cfg_getAttribute(cfg, "mqtt_pub", "tbl_subscribes"); |
|
if (!str) { |
|
mqtt_rtlm_log("Error:: not found subscribes table name"); |
|
return NULL; |
|
} |
|
snprintf(szStmt, sizeof szStmt, "SELECT QoS, Topic FROM %s WHERE Topic LIKE '%s';", str, topic); |
|
|
|
sqlite3_mutex_enter(sqlite3_db_mutex(sql)); |
|
if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) { |
|
MQTT_RTLM_LOG(sql); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
return NULL; |
|
} |
|
|
|
/* calculate count of rows and allocate subscribe items */ |
|
while (sqlite3_step(stmt) == SQLITE_ROW) |
|
rowz++; |
|
if (!(s = malloc((rowz + 1) * sizeof(mqtt_subscr_t)))) { |
|
mqtt_rtlm_log("Error:: System #%d - %s", errno, strerror(errno)); |
|
goto end; |
|
} else |
|
memset(s, 0, (rowz + 1) * sizeof(mqtt_subscr_t)); |
|
sqlite3_reset(stmt); |
|
|
|
/* fill with data */ |
|
for (j = 0; j < rowz && sqlite3_step(stmt) == SQLITE_ROW; j++) { |
|
s[j].sub_ret = (char) sqlite3_column_int(stmt, 0); |
|
s[j].sub_topic.msg_base = (u_char*) strdup((char*) sqlite3_column_text(stmt, 1)); |
|
s[j].sub_topic.msg_len = strlen((char*) s[j].sub_topic.msg_base); |
|
s[j].sub_value.msg_base = NULL; |
|
s[j].sub_value.msg_len = 0; |
|
} |
|
end: |
|
sqlite3_finalize(stmt); |
|
sqlite3_mutex_leave(sqlite3_db_mutex(sql)); |
|
|
|
return s; |
} |
} |