X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fserver%2Fhandler_door.c;h=190769aa739f03ed764d7d9e32077a9ddca51b20;hb=0b5755205d388b5704c040c21285c0b7ab58825e;hp=1ffcc857feb599bdb05d0ce9ac03cc4ae05f984d;hpb=dce0ef0f3c15f9e38e57d4a14c904c339affac4e;p=tpg%2Fopendispense2.git

diff --git a/src/server/handler_door.c b/src/server/handler_door.c
index 1ffcc85..190769a 100644
--- a/src/server/handler_door.c
+++ b/src/server/handler_door.c
@@ -2,17 +2,25 @@
  * OpenDispense 2 
  * UCC (University [of WA] Computer Club) Electronic Accounting System
  *
- * handler_doror.c - Door Relay code
+ * handler_door.c - Door Relay code
  *
  * This file is licenced under the 3-clause BSD Licence. See the file
  * COPYING for full details.
  */
+#define	DEBUG	1
+#define	USE_POPEN	0
+
 #include "common.h"
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <signal.h>
+#include <unistd.h>
+#include <pty.h>
+
+#define DOOR_UNLOCKED_DELAY	5	// Time in seconds before the door re-locks
 
 // === IMPORTS ===
 
@@ -20,6 +28,8 @@
  int	Door_InitHandler();
  int	Door_CanDispense(int User, int Item);
  int	Door_DoDispense(int User, int Item);
+ int	writes(int fd, const char *str);
+char	*ReadStatus(int FD);
 
 // === GLOBALS ===
 tHandler	gDoor_Handler = {
@@ -28,17 +38,11 @@ tHandler	gDoor_Handler = {
 	Door_CanDispense,
 	Door_DoDispense
 };
-//char	*gsDoor_SerialPort = "/dev/ttyS0";
-// int	giDoor_SerialFD;
+char	*gsDoor_SerialPort;	// Set from config in main.c
 
 // == CODE ===
-int Door_InitHandler()
+int Door_InitHandler(void)
 {
-//	printf("connecting to door...\n");
-//	giDoor_SerialFD = open(gsDoor_SerialPort, O_RDWR);
-//	if( giDoor_SerialFD == -1 ) {
-//		fprintf(stderr, "ERROR: Unable to open coke serial port ('%s')\n", gsDoor_SerialPort);
-//	}
 	return 0;
 }
 
@@ -46,8 +50,23 @@ int Door_InitHandler()
  */
 int Door_CanDispense(int User, int Item)
 {
+	#if DEBUG
+	printf("Door_CanDispense: (User=%i,Item=%i)\n", User, Item);
+	#endif
 	// Sanity please
-	if( Item == 0 )	return -1;
+	if( Item != 0 )	return -1;
+	
+	if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) )
+	{
+		#if DEBUG
+		printf("Door_CanDispense: User %i not in door\n", User);
+		#endif
+		return 1;
+	}
+	
+	#if DEBUG
+	printf("Door_CanDispense: User %i can open the door\n", User);
+	#endif
 	
 	return 0;
 }
@@ -57,15 +76,90 @@ int Door_CanDispense(int User, int Item)
  */
 int Door_DoDispense(int User, int Item)
 {
-
+	 int	door_serial_handle;
+	
+	#if DEBUG
+	printf("Door_DoDispense: (User=%i,Item=%i)\n", User, Item);
+	#endif
+	
 	// Sanity please
 	if( Item != 0 )	return -1;
 	
 	// Check if user is in door
+	if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) )
+	{
+		#if DEBUG
+		printf("Door_CanDispense: User %i not in door\n", User);
+		#endif
+		return 1;
+	}
+	
+	door_serial_handle = InitSerial(gsDoor_SerialPort, 115200);
+	if(door_serial_handle < 0) {
+		fprintf(stderr, "Unable to open door serial '%s'\n", gsDoor_SerialPort);
+		perror("Opening door port");
+		return -1;
+	}
+
+	// Disable local echo
+	{
+		struct termios	info;
+		tcgetattr(door_serial_handle, &info);
+		info.c_cflag &= ~CLOCAL;
+		tcsetattr(door_serial_handle, TCSANOW, &info);
+	}
+
+//	flush(door_serial_handle);
+
+	writes(door_serial_handle, "4;");
+
+#if 0
+	char *status = ReadStatus(door_serial_handle);
+	if( !status )	return -1;
+	if( strcmp(status, "Opening door") != 0 ) {
+		fprintf(stderr, "Unknown/unexpected door status '%s'\n", status);
+		return -1;
+	}
+#endif
+
+	close(door_serial_handle);
 	
-	// llogin or other
+	#if DEBUG
+	printf("Door_DoDispense: User %i opened door\n", User);
+	#endif
 
 	return 0;
 }
 
+int writes(int fd, const char *str)
+{
+	 int	len = strlen(str);
+	
+	if( len != write(fd, str, len) )
+	{
+		return 1;
+	}
+	return 0;
+}
 
+char *ReadStatus(int FD)
+{
+	char	tmpbuf[32];
+	 int	len;
+	len = read(FD, tmpbuf, sizeof(tmpbuf)-1);
+	tmpbuf[len] = 0;
+	char *msg = strchr(tmpbuf, ',');
+	if( !msg ) {
+		fprintf(stderr, "Door returned malformed data (no ',')\n");
+		return NULL;
+	}
+	msg ++;
+	char *end = strchr(tmpbuf, ';');
+	if( !end ) {
+		fprintf(stderr, "Door returned malformed data (no ';')\n");
+		return NULL;
+	}
+	*end = '\0';
+
+	return strdup(msg);
+}