From 6f9ae7bcb2985a6526f4e7ae8cbc6b1d4a31ae7a Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <w.hottgenroth@krohne.com>
Date: Thu, 29 Apr 2021 16:40:58 +0200
Subject: [PATCH] sharedsecret

---
 schema/createSchema.sql | 2 +-
 sink/sink20169.c        | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/schema/createSchema.sql b/schema/createSchema.sql
index 68f8bc4..e8b3148 100644
--- a/schema/createSchema.sql
+++ b/schema/createSchema.sql
@@ -2,7 +2,7 @@ CREATE SEQUENCE device_s START WITH 1 INCREMENT BY 1;
 
 CREATE TABLE device_t (
     id integer PRIMARY KEY DEFAULT NEXTVAL('device_s'),
-    deviceid varchar(16) NOT NULL,
+    deviceid varchar(16) UNIQUE NOT NULL,
     sharedsecret varchar(31) NOT NULL,
     active boolean NOT NULL DEFAULT false
 );
\ No newline at end of file
diff --git a/sink/sink20169.c b/sink/sink20169.c
index 04165b8..57108b2 100644
--- a/sink/sink20169.c
+++ b/sink/sink20169.c
@@ -152,12 +152,12 @@ t_device *findDevice(t_commonHandle *handle, char *deviceId) {
                 logmsg(LOG_INFO, "findDevice query fails, database returns %s", PQresStatus(execStatus));
             } else {
                 int ntuples = PQntuples(res2);
-                if (ntuples == 0) {
-                    logmsg(LOG_ERR, "no device found");
-                } else if (ntuples == 1) {
+                if (ntuples == 1) {
                     logmsg(LOG_DEBUG, "device found");
+                    char *sharedsecret = PQgetvalue(res2, 0, 0);
+                    logmsg(LOG_DEBUG, "found sharedsecret is %s", sharedsecret);
                 } else {
-                    logmsg(LOG_ERR, "strange number of devices found: %d", ntuples);
+                    logmsg(LOG_ERR, "no device found");
                 }
             }
             PQclear(res2);