X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fserver%2Fhandler_door.c;h=3359ed16fa11952151269a5bcaa39f3b990d8a09;hb=aab09714f5780d2d7eeb7f1f94a624e0535bdb22;hp=a15a433d2ed4b9aabea9d52108657113a589f0ad;hpb=72bf1b1bf64523fa64c2ee9c8617a4b47776d4db;p=tpg%2Fopendispense2.git diff --git a/src/server/handler_door.c b/src/server/handler_door.c index a15a433..3359ed1 100644 --- a/src/server/handler_door.c +++ b/src/server/handler_door.c @@ -17,11 +17,11 @@ #include #include #include -#if !USE_POPEN -# include -#endif +#include +#include +#include -#define DOOR_UNLOCKED_DELAY 10 // 10 seconds before it re-locks +#define DOOR_UNLOCKED_DELAY 5 // Time in seconds before the door re-locks // === IMPORTS === @@ -37,20 +37,11 @@ tHandler gDoor_Handler = { Door_CanDispense, Door_DoDispense }; -char *gsDoor_Password = ""; -volatile int giDoor_ChildStatus; +char *gsDoor_SerialPort = "/dev/ttyS3"; // == CODE === -void Door_SIGCHLDHandler(int signum) -{ - signum = 0; - printf("SIGCHLD\n"); - giDoor_ChildStatus ++; -} - int Door_InitHandler(void) { - signal(SIGCHLD, Door_SIGCHLDHandler); return 0; } @@ -84,12 +75,7 @@ int Door_CanDispense(int User, int Item) */ int Door_DoDispense(int User, int Item) { - FILE *child_stdin; - char buf[512]; - int stdin_pair[2]; - int stdout_pair[2]; - pid_t childPid; - pid_t parentPid; + int door_serial_handle; #if DEBUG printf("Door_DoDispense: (User=%i,Item=%i)\n", User, Item); @@ -107,89 +93,24 @@ int Door_DoDispense(int User, int Item) return 1; } - // Create stdin/stdout - if( pipe(stdin_pair) || pipe(stdout_pair) ) - { - perror("pipe"); - return -1; - } - - giDoor_ChildStatus = 0; // Set child status to zero - parentPid = getpid(); - childPid = fork(); - - if( childPid < 0 ) - { - perror("fork"); - return -1; - } - - // Child process - if( childPid == 0 ) - { - - // Close write end of stdin, and set it to #0 - close(stdin_pair[1]); dup2(stdin_pair[0], 0); - // Close read end of stdout, and set it to #1 - close(stdout_pair[0]); dup2(stdout_pair[1], 1); - - execl("/bin/sh", "sh", "-c", "llogin door -w-", NULL); - perror("execl"); - exit(-1); - } - - child_stdin = fdopen(stdin_pair[1], "w"); - close(stdin_pair[0]); // child stdin read - close(stdout_pair[1]); // child stdout write - - if( giDoor_ChildStatus || read(stdout_pair[0], buf, 512) < 0) { - #if DEBUG - printf("Door_DoDispense: fread fail\n"); - #endif - return -1; - } - - // Send password - if( giDoor_ChildStatus || fputs(gsDoor_Password, child_stdin) <= 0 ) { - #if DEBUG - printf("Door_DoDispense: fputs password\n"); - #endif - return -1; - } - fputs("\n", child_stdin); - - - #if DEBUG - printf("Door_DoDispense: Door unlock\n"); - #endif - - // ATH1 - Unlock door - if( giDoor_ChildStatus || fputs("ATH1\n", child_stdin) <= 0) { - #if DEBUG - printf("Door_DoDispense: fputs unlock\n"); - #endif + door_serial_handle = InitSerial(gsDoor_SerialPort, 1200); + + if( write(door_serial_handle, "ATH1\n", 5) != 5 ) { + fprintf(stderr, "Unable to open door (sending ATH1)\n"); + perror("Sending ATH1"); return -1; } // Wait before re-locking sleep(DOOR_UNLOCKED_DELAY); - - #if DEBUG - printf("Door_DoDispense: Door re-lock\n"); - #endif - - // Re-lock the door - if( giDoor_ChildStatus || fputs("ATH0\n", child_stdin) == 0 ) { - #if DEBUG - printf("Door_DoDispense: fputs lock\n"); - #endif + if( write(door_serial_handle, "ATH0\n", 5) != 5 ) { + fprintf(stderr, "Oh, hell! Door not re-locking, big error (sending ATH0 failed)\n"); + perror("Sending ATH0"); return -1; } - - fclose(child_stdin); - close(stdin_pair[1]); // child stdin write - close(stdout_pair[0]); // child stdout read + + close(door_serial_handle); #if DEBUG printf("Door_DoDispense: User %i opened door\n", User);