[TPG] Fixes to bugs exposed during move

[tpg/opendispense2.git] / src / server / handler_coke.c

diff --git a/src/server/handler_coke.c b/src/server/handler_coke.c
index 58e3b79..79d0a46 100644 (file)
--- a/src/server/handler_coke.c
+++ b/src/server/handler_coke.c
@@ -21,7 +21,7 @@
 #include <pthread.h>
 
 #define READ_TIMEOUT   2       // 2 seconds for ReadChar
-#define TRACE_COKE     0
+#define TRACE_COKE     1
 
 #if TRACE_COKE
 # define TRACE(v...) do{printf("%s: ",__func__);printf(v);}while(0)
@@ -60,7 +60,7 @@ int Coke_InitHandler()
 {
        CompileRegex(&gCoke_StatusRegex, "^slot\\s+([0-9]+)\\s+([^:]+):([a-zA-Z]+)\\s*", REG_EXTENDED);
        
-       printf("connecting to coke machine...\n");
+       printf("Connecting to coke machine on '%s'\n", gsCoke_SerialPort);
        
        giCoke_SerialFD = InitSerial(gsCoke_SerialPort, 9600);
        if( giCoke_SerialFD == -1 ) {
@@ -90,6 +90,8 @@ int Coke_InitHandler()
                        
                        Coke_int_UpdateSlotStatuses();
                }
+               else
+                       fprintf(stderr, "Coke machine timed out.\n");
        }
        
        AddPeriodicFunction(Coke_int_UpdateSlotStatuses);
@@ -154,7 +156,8 @@ void Coke_int_UpdateSlotStatuses(void)
        
        for( i = 0; i <= 6; i ++ )
        {
-               len = ReadLine(sizeof tmp, tmp);
+               // Read until non-blank line
+               while( (len = ReadLine(sizeof tmp, tmp)) == 0 ) ;
                if( len == -1 ) {
                        TRACE("Read failed on slot %i\n", i);
                        goto ret;       // I give up :(