Annotation of mqtt/src/pubmqtt.c, revision 1.1.2.4
1.1.2.1 misho 1: #include "global.h"
2:
3:
1.1.2.2 misho 4: /*
5: * mqtt_db_log() Log database connection message
6: *
7: * @fmt = format string
8: * @... = argument list
9: * return: none
10: */
11: static void
12: mqtt_rtlm_log(const char *fmt, ...)
13: {
14: va_list lst;
15:
16: va_start(lst, fmt);
17: vsyslog(LOG_ERR, fmt, lst);
18: va_end(lst);
19: }
1.1.2.3 misho 20: #define MQTT_RTLM_LOG(_sql) (assert((_sql)), mqtt_rtlm_log("Error:: SQL #%d - %s", \
1.1.2.2 misho 21: sqlite3_errcode((_sql)), sqlite3_errmsg((_sql))))
22:
23:
24: /*
25: * mqtt_rtlm_open() Open database connection
26: *
1.1.2.3 misho 27: * @cfg = config filename
1.1.2.2 misho 28: * return: NULL error or SQL handle
29: */
30: sqlite3 *
31: mqtt_rtlm_open(sl_config *cfg)
32: {
33: sqlite3 *sql = NULL;
34: const char *str = NULL;
35:
36: if (!cfg)
37: return NULL;
38:
39: str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("name"));
40: if (!str) {
41: mqtt_rtlm_log("Error:: Unknown database name ...\n");
42: return NULL;
43: }
44:
45: if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READWRITE, NULL)) {
1.1.2.3 misho 46: MQTT_RTLM_LOG(sql);
1.1.2.2 misho 47: sqlite3_close(sql);
48: return NULL;
49: }
50:
51: return sql;
52: }
53:
54: /*
55: * mqtt_rtlm_close() Close database connection
56: *
57: * @sql = SQL handle
58: * return: none
59: */
60: void
61: mqtt_rtlm_close(sqlite3 *sql)
62: {
63: sqlite3_close(sql);
64: }
1.1.2.4 ! misho 65:
! 66: /*
! 67: * mqtt_rtlm_init_session() Create session
! 68: *
! 69: * @cfg = loaded config
! 70: * @sql = SQL handle
! 71: * @user = username
! 72: * @host = hostname
! 73: * @port = port
! 74: * return: -1 error, 0 session already appears or >0 row changed
! 75: */
! 76: int
! 77: mqtt_rtlm_init_session(sl_config *cfg, sqlite3 *sql, const char *user, const char *host, u_short port)
! 78: {
! 79: int ret = 0;
! 80: char *str, szStmt[BUFSIZ] = { 0 };
! 81: sqlite3_stmt *stmt;
! 82:
! 83: if (!cfg || !sql)
! 84: return -1;
! 85:
! 86: str = (char*) cfg_GetAttribute(cfg, CFG("mqtt_pub"), CFG("tbl_online"));
! 87: if (!str) {
! 88: mqtt_rtlm_log("Error:: not found topics table name");
! 89: return -1;
! 90: }
! 91: snprintf(szStmt, sizeof szStmt, "INSERT INTO %s (Username, RemoteHost, RemotePort) "
! 92: "VALUES ('%s', '%s', %d);", str, user, host, port);
! 93:
! 94: if (sqlite3_prepare_v2(sql, szStmt, strlen(szStmt), &stmt, NULL)) {
! 95: MQTT_RTLM_LOG(sql);
! 96: return -1;
! 97: }
! 98: if ((ret = sqlite3_step(stmt)) == SQLITE_DONE)
! 99: ret = sqlite3_changes(sql);
! 100: else {
! 101: if (ret > SQLITE_OK && ret < SQLITE_ROW)
! 102: MQTT_RTLM_LOG(sql);
! 103: ret = 0;
! 104: }
! 105: sqlite3_finalize(stmt);
! 106:
! 107: return ret;
! 108: }
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