#define DEBUG_TRACE_SERVER 0
#define USE_AUTOAUTH 1
+#define MAX_TXT_ARGS 5 // Maximum number of textual arguments (including command)
+#define DISPENSE_MULTIPLE_MAX 20 // Maximum argument to -c
+
+enum eUI_Modes
+{
+ UI_MODE_BASIC, // Non-NCurses
+ UI_MODE_STANDARD,
+ UI_MODE_DRINKSONLY,
+ UI_MODE_ALL,
+ NUM_UI_MODES
+};
+
+enum eReturnValues
+{
+ RV_SUCCESS,
+ RV_BAD_ITEM,
+ RV_INVALID_USER,
+ RV_PERMISSIONS,
+ RV_ARGUMENTS,
+ RV_BALANCE,
+ RV_UNKNOWN_ERROR = -1,
+ RV_SOCKET_ERROR = -2
+};
+
// === TYPES ===
typedef struct sItem {
char *Type;
int ID;
+ int Status; // 0: Availiable, 1: Sold out, -1: Error
char *Desc;
int Price;
} tItem;
void ShowUsage(void);
// --- GUI ---
int ShowNCursesUI(void);
-void ShowItemAt(int Row, int Col, int Width, int Index);
+ int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted);
void PrintAlign(int Row, int Col, int Width, const char *Left, char Pad1, const char *Mid, char Pad2, const char *Right, ...);
// --- Coke Server Communication ---
int OpenConnection(const char *Host, int Port);
char *gsItemPattern; //!< Item pattern
char *gsEffectiveUser; //!< '-u' Dispense as another user
- int gbUseNCurses = 0; //!< '-G' Use the NCurses GUI?
+ int giUIMode = UI_MODE_STANDARD;
int gbDryRun = 0; //!< '-n' Read-only
int giMinimumBalance = INT_MIN; //!< '-m' Minumum balance for `dispense acct`
int giMaximumBalance = INT_MAX; //!< '-M' Maximum balance for `dispense acct`
char *gsUserName; //!< User that dispense will happen as
char *gsUserFlags; //!< User's flag set
int giUserBalance=-1; //!< User balance (set by Authenticate)
+ int giDispenseCount = 1; //!< Number of dispenses to do
// === CODE ===
int main(int argc, char *argv[])
{
int sock;
- int i;
+ int i, ret = 0;
char buffer[BUFSIZ];
+ char *text_args[MAX_TXT_ARGS]; // Non-flag arguments
+ int text_argc = 0;
+ text_args[0] = "";
+
// -- Create regular expressions
// > Code Type Count ...
CompileRegex(&gArrayRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([0-9]+)", REG_EXTENDED); //
- // > Code Type Ident Price Desc
- CompileRegex(&gItemRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([A-Za-z]+):([0-9]+)\\s+([0-9]+)\\s+(.+)$", REG_EXTENDED);
+ // > Code Type Ident Status Price Desc
+ CompileRegex(&gItemRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([A-Za-z]+):([0-9]+)\\s+(avail|sold|error)\\s+([0-9]+)\\s+(.+)$", REG_EXTENDED);
// > Code 'SALT' salt
CompileRegex(&gSaltRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+(.+)$", REG_EXTENDED);
// > Code 'User' Username Balance Flags
case '?':
ShowUsage();
return 0;
-
+
+ case 'c':
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -c takes an argument\n", argv[0]);
+ ShowUsage();
+ return -1;
+ }
+ giDispenseCount = atoi(argv[++i]);
+ if( giDispenseCount < 1 || giDispenseCount > DISPENSE_MULTIPLE_MAX ) {
+ fprintf(stderr, "Sorry, only 1-20 can be passed to -c (safety)\n");
+ return -1;
+ }
+
+ break ;
+
case 'm': // Minimum balance
if( i + 1 >= argc ) {
fprintf(stderr, "%s: -m takes an argument\n", argv[0]);
ShowUsage();
+ return RV_ARGUMENTS;
}
giMinimumBalance = atoi(argv[++i]);
break;
if( i + 1 >= argc ) {
fprintf(stderr, "%s: -M takes an argument\n", argv[0]);
ShowUsage();
+ return RV_ARGUMENTS;
}
giMaximumBalance = atoi(argv[++i]);
break;
if( i + 1 >= argc ) {
fprintf(stderr, "%s: -u takes an argument\n", argv[0]);
ShowUsage();
+ return RV_ARGUMENTS;
}
gsEffectiveUser = argv[++i];
break;
if( i + 1 >= argc ) {
fprintf(stderr, "%s: -H takes an argument\n", argv[0]);
ShowUsage();
+ return RV_ARGUMENTS;
}
gsDispenseServer = argv[++i];
break;
if( i + 1 >= argc ) {
fprintf(stderr, "%s: -P takes an argument\n", argv[0]);
ShowUsage();
+ return RV_ARGUMENTS;
}
giDispensePort = atoi(argv[++i]);
break;
- case 'G': // Use GUI
- gbUseNCurses = 1;
+ case 'G': // Don't use GUI
+ giUIMode = UI_MODE_BASIC;
+ break;
+ case 'D': // Drinks only
+ giUIMode = UI_MODE_DRINKSONLY;
break;
case 'n': // Dry Run / read-only
gbDryRun = 1;
break;
+ default:
+ if( text_argc + 1 == MAX_TXT_ARGS )
+ {
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+ text_args[text_argc++] = argv[i];
+ break;
}
continue;
}
-
- //
- // `dispense acct`
- // -
- if( strcmp(arg, "acct") == 0 )
+
+ if( text_argc + 1 == MAX_TXT_ARGS )
{
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+
+ text_args[text_argc++] = argv[i];
+
+ }
- // List accounts?
- if( i + 1 == argc ) {
- Dispense_EnumUsers(sock);
- return 0;
- }
-
- // argv[i+1]: Username
-
- // Alter account?
- if( i + 2 < argc )
- {
- if( i + 3 >= argc ) {
- fprintf(stderr, "Error: `dispense acct' needs a reason\n");
- exit(1);
- }
-
- // Authentication required
- if( Authenticate(sock) )
- return -1;
-
- // argv[i+1]: Username
- // argv[i+2]: Ammount
- // argv[i+3]: Reason
-
- if( argv[i+2][0] == '=' ) {
- // Set balance
- if( argv[i+2][1] != '0' && atoi(&argv[i+2][1]) == 0 ) {
- fprintf(stderr, "Error: Invalid balance to be set\n");
- exit(1);
- }
-
- Dispense_SetBalance(sock, argv[i+1], atoi(argv[i+2]+1), argv[i+3]);
- }
- else {
- // Alter balance
- Dispense_AlterBalance(sock, argv[i+1], atoi(argv[i+2]), argv[i+3]);
- }
- }
-
- // Show user information
- Dispense_ShowUser(sock, argv[i+1]);
-
+ //
+ // `dispense acct`
+ // -
+ if( strcmp(text_args[0], "acct") == 0 )
+ {
+ // Connect to server
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ // List accounts?
+ if( text_argc == 1 ) {
+ ret = Dispense_EnumUsers(sock);
close(sock);
- return 0;
+ return ret;
}
- //
- // `dispense give`
- // - "Here, have some money."
- if( strcmp(arg, "give") == 0 )
- {
- if( i + 3 >= argc ) {
- fprintf(stderr, "`dispense give` takes three arguments\n");
- ShowUsage();
- return -1;
- }
-
- // argv[i+1]: Destination
- // argv[i+2]: Ammount
- // argv[i+3]: Reason
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
-
- // Authenticate
- if( Authenticate(sock) )
- return -1;
-
- Dispense_Give(sock, argv[i+1], atoi(argv[i+2]), argv[i+3]);
- return 0;
- }
- //
- // `dispense user`
- // - User administration (Admin Only)
- if( strcmp(arg, "user") == 0 )
+ // text_args[1]: Username
+
+ // Alter account?
+ if( text_argc == 4 )
{
- // Check argument count
- if( i + 1 >= argc ) {
- fprintf(stderr, "Error: `dispense user` requires arguments\n");
- ShowUsage();
- exit(1);
- }
-
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ // Authentication required
+ ret = Authenticate(sock);
+ if(ret) return ret;
- // Attempt authentication
- if( Authenticate(sock) )
- return -1;
+ // text_args[1]: Username
+ // text_args[2]: Ammount
+ // text_args[3]: Reason
- // Add new user?
- if( strcmp(argv[i+1], "add") == 0 )
- {
- if( i + 2 >= argc ) {
- fprintf(stderr, "Error: `dispense user add` requires an argument\n");
- ShowUsage();
- exit(1);
- }
-
- Dispense_AddUser(sock, argv[i+2]);
- }
- // Update a user
- else if( strcmp(argv[i+1], "type") == 0 )
- {
- if( i + 3 >= argc ) {
- fprintf(stderr, "Error: `dispense user type` requires two arguments\n");
- ShowUsage();
+ if( text_args[2][0] == '=' ) {
+ // Set balance
+ if( text_args[2][1] != '0' && atoi(text_args[2]+1) == 0 ) {
+ fprintf(stderr, "Error: Invalid balance to be set\n");
exit(1);
}
- Dispense_SetUserType(sock, argv[i+2], argv[i+3]);
+ ret = Dispense_SetBalance(sock, text_args[1], atoi(text_args[2]+1), text_args[3]);
}
- else
- {
- fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
- ShowUsage();
- exit(1);
+ else {
+ // Alter balance
+ ret = Dispense_AlterBalance(sock, text_args[1], atoi(text_args[2]), text_args[3]);
}
- return 0;
+ }
+ // TODO: Preserve ret if non-zero
+
+ // Show user information
+ ret = Dispense_ShowUser(sock, text_args[1]);
+
+ close(sock);
+ return ret;
+ }
+ //
+ // `dispense give`
+ // - "Here, have some money."
+ if( strcmp(text_args[0], "give") == 0 )
+ {
+ if( text_argc != 4 ) {
+ fprintf(stderr, "`dispense give` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- // Donation!
- if( strcmp(arg, "donate") == 0 )
+ // text_args[1]: Destination
+ // text_args[2]: Ammount
+ // text_args[3]: Reason
+
+ // Connect to server
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Authenticate
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ ret = Dispense_Give(sock, text_args[1], atoi(text_args[2]), text_args[3]);
+
+ close(sock);
+
+ return ret;
+ }
+ //
+ // `dispense user`
+ // - User administration (Admin Only)
+ if( strcmp(text_args[0], "user") == 0 )
+ {
+ // Check argument count
+ if( text_argc == 1 ) {
+ fprintf(stderr, "Error: `dispense user` requires arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Add new user?
+ if( strcmp(text_args[1], "add") == 0 )
{
- // Check argument count
- if( i + 2 >= argc ) {
- fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ if( text_argc != 3 ) {
+ fprintf(stderr, "Error: `dispense user add` requires an argument\n");
ShowUsage();
- exit(1);
+ return RV_ARGUMENTS;
}
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
-
- // Attempt authentication
- if( Authenticate(sock) )
- return -1;
-
- // Do donation
- Dispense_Donate(sock, atoi(argv[i+1]), argv[i+1]);
+ ret = Dispense_AddUser(sock, text_args[2]);
+ }
+ // Update a user
+ else if( strcmp(text_args[1], "type") == 0 || strcmp(text_args[1], "flags") == 0 )
+ {
+ if( text_argc != 4 ) {
+ fprintf(stderr, "Error: `dispense user flags` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
- return 0;
+ ret = Dispense_SetUserType(sock, text_args[2], text_args[3]);
+ }
+ else
+ {
+ fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ close(sock);
+ return ret;
+ }
+ // Donation!
+ else if( strcmp(text_args[0], "donate") == 0 )
+ {
+ // Check argument count
+ if( text_argc != 3 ) {
+ fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- else {
- // Item name / pattern
- gsItemPattern = arg;
- break;
+ // Connect to server
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Do donation
+ ret = Dispense_Donate(sock, atoi(text_args[1]), text_args[2]);
+
+ close(sock);
+
+ return ret;
+ }
+ // Refund an item
+ else if( strcmp(text_args[0], "refund") == 0 )
+ {
+ // Check argument count
+ if( text_argc != 3 && text_argc != 4 ) {
+ fprintf(stderr, "Error: `dispense refund` takes 2 or 3 arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
+
+ // Connect to server
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if(sock < 0) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // TODO: More
+ close(ret);
+ return RV_UNKNOWN_ERROR;
+ }
+ // Query an item price
+ else if( strcmp(text_args[0], "iteminfo") == 0 )
+ {
+ regmatch_t matches[3];
+ char *type;
+ int id;
+ // Check argument count
+ if( text_argc != 2 ) {
+ fprintf(stderr, "Error: `dispense iteminfo` requires an argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ // Parse item ID
+ if( RunRegex(&gUserItemIdentRegex, text_args[1], 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ type = text_args[1] + matches[1].rm_so;
+ text_args[1][ matches[1].rm_eo ] = '\0';
+ id = atoi( text_args[1] + matches[2].rm_so );
+
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Dispense_ItemInfo(sock, type, id);
+ close(sock);
+ return ret;
+ }
+ // Item name / pattern
+ else {
+ gsItemPattern = text_args[0];
}
// Connect to server
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ if( sock < 0 ) return RV_SOCKET_ERROR;
// Get the user's balance
- GetUserBalance(sock);
+ ret = GetUserBalance(sock);
+ if(ret) return ret;
// Get items
PopulateItemList(sock);
// Disconnect from server
close(sock);
- if( gsItemPattern )
+ if( gsItemPattern && gsItemPattern[0] )
{
regmatch_t matches[3];
// Door (hard coded)
{
// Connect, Authenticate, dispense and close
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
- Authenticate(sock);
- DispenseItem(sock, "door", 0);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, "door", 0);
close(sock);
- return 0;
+ return ret;
}
// Item id (<type>:<num>)
else if( RunRegex(&gUserItemIdentRegex, gsItemPattern, 3, matches, NULL) == 0 )
// Connect, Authenticate, dispense and close
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ if( sock < 0 ) return RV_SOCKET_ERROR;
Dispense_ItemInfo(sock, ident, id);
- Authenticate(sock);
- DispenseItem(sock, ident, id);
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, ident, id);
close(sock);
- return 0;
+ return ret;
}
// Item number (6 = coke)
else if( strcmp(gsItemPattern, "0") == 0 || atoi(gsItemPattern) > 0 )
// TODO: Allow ambiguous matches?
// or just print a wanrning
printf("Warning - Ambiguous pattern, stopping\n");
- return 1;
+ return RV_BAD_ITEM;
}
}
if( best == -1 )
{
fprintf(stderr, "No item matches the passed string\n");
- return 1;
+ return RV_BAD_ITEM;
}
i = best;
}
}
- else if( gbUseNCurses )
+ else if( giUIMode != UI_MODE_BASIC )
{
i = ShowNCursesUI();
}
{
// Very basic dispense interface
for( i = 0; i < giNumItems; i ++ ) {
+ // Add a separator
+ if( i && strcmp(gaItems[i].Type, gaItems[i-1].Type) != 0 )
+ printf(" ---\n");
+
printf("%2i %s:%i\t%3i %s\n", i, gaItems[i].Type, gaItems[i].ID,
gaItems[i].Price, gaItems[i].Desc);
}
// Check for a valid item ID
if( i >= 0 )
{
+ int j;
// Connect, Authenticate, dispense and close
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ ret = Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ if(ret) return ret;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
- Authenticate(sock);
- DispenseItem(sock, gaItems[i].Type, gaItems[i].ID);
+ for( j = 0; j < giDispenseCount; j ++ ) {
+ ret = DispenseItem(sock, gaItems[i].Type, gaItems[i].ID);
+ if( ret ) break;
+ }
+ if( j > 1 ) {
+ printf("%i items dispensed\n", j);
+ }
close(sock);
}
- return 0;
+ return ret;
}
void ShowUsage(void)
" == Everyone ==\n"
" dispense\n"
" Show interactive list\n"
- " dispense <item>\n"
- " Dispense named item\n"
+ " dispense <name>|<index>|<itemid>\n"
+ " Dispense named item (<name> matches if it is a unique prefix)\n"
" dispense give <user> <ammount> \"<reason>\"\n"
" Give money to another user\n"
" dispense donate <ammount> \"<reason>\"\n"
" Donate to the club\n"
+ " dispense iteminfo <type>:<id>\n"
+ " Get the name and price for an item\n"
" == Coke members == \n"
" dispense acct [<user>]\n"
" Show user balances\n"
" Flags are removed by preceding the name with '-' or '!'\n"
"\n"
"General Options:\n"
+ " -c <count>\n"
+ " Dispense multiple times\n"
" -u <username>\n"
" Set a different user (Coke members only)\n"
" -h / -?\n"
int i, times;
int xBase, yBase;
const int displayMinWidth = 40;
- const int displayMinItems = 8;
char *titleString = "Dispense";
- int itemCount = displayMinItems;
+ int itemCount;
+ int maxItemIndex;
int itemBase = 0;
- int currentItem = 0;
+ int currentItem;
int ret = -2; // -2: Used for marking "no return yet"
char balance_str[5+1+2+1]; // If $9999.99 is too little, something's wrong
username = pwd->pw_name;
}
// Get balance
- snprintf(balance_str, sizeof balance_str, "$%i.%02i", giUserBalance/100, giUserBalance%100);
+ snprintf(balance_str, sizeof balance_str, "$%i.%02i", giUserBalance/100, abs(giUserBalance)%100);
// Enter curses mode
initscr();
- raw(); noecho();
+ cbreak(); noecho();
- // Get item count
+ // Get max index
+ maxItemIndex = ShowItemAt(0, 0, 0, -1, 0);
+ // Get item count per screen
// - 6: randomly chosen (Need at least 3)
itemCount = LINES - 6;
- if( itemCount > giNumItems )
- itemCount = giNumItems;
+ if( itemCount > maxItemIndex )
+ itemCount = maxItemIndex;
+ // Get first index
+ currentItem = 0;
+ while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
+ currentItem ++;
+
// Get dimensions
height = itemCount + 3;
// Items
for( i = 0; i < itemCount; i ++ )
{
+ int pos = 0;
+
move( yBase + 1 + i, xBase );
+ printw("| ");
- if( currentItem == itemBase + i ) {
- printw("| -> ");
- }
- else {
- printw("| ");
- }
+ pos += 2;
- // Check for ... row
+ // Check for the '...' row
// - Oh god, magic numbers!
- if( i == 0 && itemBase > 0 ) {
- printw(" ...");
- times = width-1 - 8 - 3;
- while(times--) addch(' ');
- }
- else if( i == itemCount - 1 && itemBase < giNumItems - itemCount ) {
- printw(" ...");
- times = width-1 - 8 - 3;
+ if( (i == 0 && itemBase > 0)
+ || (i == itemCount - 1 && itemBase < maxItemIndex - itemCount) )
+ {
+ printw(" ..."); pos += 8;
+ times = (width - pos) - 1;
while(times--) addch(' ');
}
// Show an item
else {
- ShowItemAt( yBase + 1 + i, xBase + 5, width - 7, itemBase + i);
- addch(' ');
+ ShowItemAt(
+ yBase + 1 + i, xBase + pos, // Position
+ (width - pos) - 3, // Width
+ itemBase + i, // Index
+ !!(currentItem == itemBase + i) // Hilighted
+ );
+ printw(" ");
}
// Scrollbar (if needed)
- if( giNumItems > itemCount ) {
+ if( maxItemIndex > itemCount ) {
if( i == 0 ) {
addch('A');
}
addch('V');
}
else {
- int percentage = itemBase * 100 / (giNumItems-itemCount);
+ int percentage = itemBase * 100 / (maxItemIndex-itemCount);
if( i-1 == percentage*(itemCount-3)/100 ) {
addch('#');
}
switch(ch)
{
case 'B':
- //if( itemBase < giNumItems - (itemCount) )
- // itemBase ++;
- if( currentItem < giNumItems - 1 )
+ currentItem ++;
+ // Skip over spacers
+ while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
currentItem ++;
- if( itemBase + itemCount - 1 <= currentItem && itemBase + itemCount < giNumItems )
- itemBase ++;
+
+ if( currentItem >= maxItemIndex ) {
+ currentItem = 0;
+ // Skip over spacers
+ while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
+ currentItem ++;
+ }
break;
case 'A':
- //if( itemBase > 0 )
- // itemBase --;
- if( currentItem > 0 )
+ currentItem --;
+ // Skip over spacers
+ while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
currentItem --;
- if( itemBase + 1 > currentItem && itemBase > 0 )
- itemBase --;
+
+ if( currentItem < 0 ) {
+ currentItem = maxItemIndex - 1;
+ // Skip over spacers
+ while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
+ currentItem --;
+ }
break;
}
}
else {
}
+
+ if( itemCount > maxItemIndex && currentItem < itemBase + 2 && itemBase > 0 )
+ itemBase = currentItem - 2;
+ if( itemCount > maxItemIndex && currentItem > itemBase + itemCount - 2 && itemBase < maxItemIndex-1 )
+ itemBase = currentItem - itemCount + 2;
}
else {
switch(ch)
{
case '\n':
- ret = currentItem;
+ ret = ShowItemAt(0, 0, 0, currentItem, 0);
break;
case 'q':
ret = -1; // -1: Return with no dispense
/**
* \brief Show item \a Index at (\a Col, \a Row)
+ * \return Dispense index of item
* \note Part of the NCurses UI
*/
-void ShowItemAt(int Row, int Col, int Width, int Index)
+int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted)
{
int _x, _y, times;
- char *name;
- int price;
-
- move( Row, Col );
+ char *name = NULL;
+ int price = 0;
+ int status = -1;
- if( Index < 0 || Index >= giNumItems ) {
- name = "OOR";
- price = 0;
- }
- else {
+ switch(giUIMode)
+ {
+ // Standard UI
+ // - This assumes that
+ case UI_MODE_STANDARD:
+ // Bounds check
+ // Index = -1, request limit
+ if( Index < 0 || Index >= giNumItems+2 )
+ return giNumItems+2;
+ // Drink label
+ if( Index == 0 )
+ {
+ price = 0;
+ name = "Coke Machine";
+ Index = -1; // -1 indicates a label
+ break;
+ }
+ Index --;
+ // Drinks 0 - 6
+ if( Index <= 6 )
+ {
+ name = gaItems[Index].Desc;
+ price = gaItems[Index].Price;
+ status = gaItems[Index].Status;
+ break;
+ }
+ Index -= 7;
+ // EPS label
+ if( Index == 0 )
+ {
+ price = 0;
+ name = "Electronic Payment System";
+ Index = -1; // -1 indicates a label
+ break;
+ }
+ Index --;
+ Index += 7;
name = gaItems[Index].Desc;
price = gaItems[Index].Price;
+ status = gaItems[Index].Status;
+ break;
+ default:
+ return -1;
}
-
- printw("%02i %s", Index, name);
- getyx(stdscr, _y, _x);
- // Assumes max 4 digit prices
- times = Width - 4 - (_x - Col); // TODO: Better handling for large prices
- while(times--) addch(' ');
- printw("%4i", price);
+ // Width = 0, don't print
+ if( Width > 0 )
+ {
+ // 4 preceding, 5 price
+ int nameWidth = Width - 4 - 5;
+ move( Row, Col );
+
+ if( Index >= 0 )
+ {
+ // Show hilight and status
+ switch( status )
+ {
+ case 0:
+ if( bHilighted )
+ printw("-> ");
+ else
+ printw(" ");
+ break;
+ case 1:
+ printw("SLD ");
+ break;
+
+ default:
+ case -1:
+ printw("ERR ");
+ break;
+ }
+
+ printw("%-*.*s", nameWidth, nameWidth, name);
+
+// getyx(stdscr, _y, _x);
+ // Assumes max 4 digit prices
+// times = Width - 5 - (_x - Col); // TODO: Better handling for large prices
+// while(times--) addch(' ');
+
+ printw(" %4i", price);
+ }
+ else
+ {
+ printw("-- %s", name);
+ getyx(stdscr, _y, _x);
+ times = Width - 4 - (_x - Col);
+ while(times--) addch(' ');
+ printw(" ");
+ }
+ }
+
+ // If the item isn't availiable for sale, return -1 (so it's skipped)
+ if( status )
+ Index = -1;
+
+ return Index;
}
/**
fprintf(stderr, "Failed to create socket\n");
return -1;
}
+
+// printf("geteuid() = %i, getuid() = %i\n", geteuid(), getuid());
- if( geteuid() == 0 )
+ if( geteuid() == 0 || getuid() == 0 )
{
int i;
struct sockaddr_in localAddr;
localAddr.sin_family = AF_INET; // IPv4
// Loop through all the top ports until one is avaliable
- for( i = 1001; i < 1024; i ++)
+ for( i = 512; i < 1024; i ++)
{
localAddr.sin_port = htons(i); // IPv4
// Attempt to bind to low port for autoauth
}
if( i == 1024 )
printf("Warning: AUTOAUTH unavaliable\n");
+// else
+// printf("Bound to 0.0.0.0:%i\n", i);
}
if( connect(sock, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) < 0 ) {
if( responseCode != 100 ) {
fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf);
free(buf);
- return -1; // ERROR
+ return RV_UNKNOWN_ERROR; // ERROR
}
// Check for salt
fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf);
free(buf);
- return -1;
+ return RV_UNKNOWN_ERROR;
}
free(buf);
if( i == 3 )
- return 2; // 2 = Bad Password
+ return RV_INVALID_USER; // 2 = Bad Password
break;
case 404: // Bad Username
fprintf(stderr, "Bad Username '%s'\n", pwd->pw_name);
free(buf);
- return 1;
+ return RV_INVALID_USER;
default:
fprintf(stderr, "Unkown response code %i from server\n", responseCode);
printf("%s\n", buf);
free(buf);
- return -1;
+ return RV_UNKNOWN_ERROR;
}
// Set effective user
case 403:
printf("Only coke members can use `dispense -u`\n");
free(buf);
- return -1;
+ return RV_PERMISSIONS;
case 404:
printf("Invalid user selected\n");
free(buf);
- return -1;
+ return RV_INVALID_USER;
default:
fprintf(stderr, "Unkown response code %i from server\n", responseCode);
printf("%s\n", buf);
free(buf);
- exit(-1);
+ return RV_UNKNOWN_ERROR;
}
free(buf);
case 404:
printf("Invalid user? (USER_INFO failed)\n");
free(buf);
- return -1;
+ return RV_INVALID_USER;
default:
fprintf(stderr, "Unkown response code %i from server\n", responseCode);
printf("%s\n", buf);
free(buf);
- exit(-1);
+ return RV_UNKNOWN_ERROR;
}
RunRegex(&gUserInfoRegex, buf, 6, matches, "Malformed server response");
return 0;
}
+/**
+ * \brief Read an item info response from the server
+ * \param Dest Destination for the read item (strings will be on the heap)
+ */
+int ReadItemInfo(int Socket, tItem *Dest)
+{
+ char *buf;
+ int responseCode;
+
+ regmatch_t matches[8];
+ char *statusStr;
+
+ // Get item info
+ buf = ReadLine(Socket);
+ responseCode = atoi(buf);
+
+ switch(responseCode)
+ {
+ case 202: break;
+
+ case 406:
+ printf("Bad item name\n");
+ free(buf);
+ return RV_BAD_ITEM;
+
+ default:
+ fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n%s", responseCode, buf);
+ free(buf);
+ return RV_UNKNOWN_ERROR;
+ }
+
+ RunRegex(&gItemRegex, buf, 8, matches, "Malformed server response");
+
+ buf[ matches[3].rm_eo ] = '\0';
+ buf[ matches[5].rm_eo ] = '\0';
+ buf[ matches[7].rm_eo ] = '\0';
+
+ statusStr = &buf[ matches[5].rm_so ];
+
+ Dest->ID = atoi( buf + matches[4].rm_so );
+
+ if( strcmp(statusStr, "avail") == 0 )
+ Dest->Status = 0;
+ else if( strcmp(statusStr, "sold") == 0 )
+ Dest->Status = 1;
+ else if( strcmp(statusStr, "error") == 0 )
+ Dest->Status = -1;
+ else {
+ fprintf(stderr, "Unknown response from dispense server (status '%s')\n",
+ statusStr);
+ return RV_UNKNOWN_ERROR;
+ }
+ Dest->Price = atoi( buf + matches[6].rm_so );
+
+ // Hack a little to reduce heap fragmentation
+ {
+ char tmpType[strlen(buf + matches[3].rm_so) + 1];
+ char tmpDesc[strlen(buf + matches[7].rm_so) + 1];
+ strcpy(tmpType, buf + matches[3].rm_so);
+ strcpy(tmpDesc, buf + matches[7].rm_so);
+ free(buf);
+ Dest->Type = strdup( tmpType );
+ Dest->Desc = strdup( tmpDesc );
+ }
+
+ return 0;
+}
/**
* \brief Fill the item information structure
responseCode = atoi(buf);
if( responseCode != 201 ) {
fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n", responseCode);
- exit(-1);
+ exit(RV_UNKNOWN_ERROR);
}
// - Get item list -
// What the?!
fprintf(stderr, "Unexpected array type, expected 'Items', got '%s'\n",
itemType);
- exit(-1);
+ exit(RV_UNKNOWN_ERROR);
}
itemStart = &buf[ matches[3].rm_eo ];
// Fetch item information
for( i = 0; i < giNumItems; i ++ )
{
- regmatch_t matches[7];
-
- // Get item info
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- if( responseCode != 202 ) {
- fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n", responseCode);
- exit(-1);
- }
-
- RunRegex(&gItemRegex, buf, 7, matches, "Malformed server response");
-
- buf[ matches[3].rm_eo ] = '\0';
-
- gaItems[i].Type = strdup( buf + matches[3].rm_so );
- gaItems[i].ID = atoi( buf + matches[4].rm_so );
- gaItems[i].Price = atoi( buf + matches[5].rm_so );
- gaItems[i].Desc = strdup( buf + matches[6].rm_so );
-
- free(buf);
+ ReadItemInfo( Socket, &gaItems[i] );
}
// Read end of list
*/
int Dispense_ItemInfo(int Socket, const char *Type, int ID)
{
- int responseCode;
- char *buf;
- regmatch_t matches[7];
- char *type, *desc;
- int id, price;
+ tItem item;
+ int ret;
- // Dispense!
+ // Query
sendf(Socket, "ITEM_INFO %s:%i\n", Type, ID);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- switch( responseCode )
- {
- case 202:
- break;
-
- case 406:
- printf("Bad item name\n");
- free(buf);
- return 1;
- default:
- printf("Unknown response code %i ('%s')\n", responseCode, buf);
- free(buf);
- return -1;
- }
-
-
- RunRegex(&gItemRegex, buf, 7, matches, "Malformed server response");
+ ret = ReadItemInfo(Socket, &item);
+ if(ret) return ret;
- buf[ matches[3].rm_eo ] = '\0';
+ printf("%8s:%-2i %2i.%02i %s\n",
+ item.Type, item.ID,
+ item.Price/100, item.Price%100,
+ item.Desc);
- type = buf + matches[3].rm_so; buf[matches[3].rm_eo] = '\0';
- id = atoi( buf + matches[4].rm_so );
- price = atoi( buf + matches[5].rm_so );
- desc = buf + matches[6].rm_so; buf[matches[6].rm_eo] = '\0';
-
- printf("%8s:%-2i %2i.%02i %s\n", type, id, price/100, price%100, desc);
-
- free(buf);
+ free(item.Type);
+ free(item.Desc);
return 0;
}
break;
case 401:
printf("Not authenticated\n");
- ret = 1;
+ ret = RV_PERMISSIONS;
break;
case 402:
printf("Insufficient balance\n");
- ret = 1;
+ ret = RV_BALANCE;
break;
case 406:
printf("Bad item name\n");
- ret = 1;
+ ret = RV_BAD_ITEM;
break;
case 500:
printf("Item failed to dispense, is the slot empty?\n");
break;
default:
printf("Unknown response code %i ('%s')\n", responseCode, buf);
- ret = -2;
+ ret = RV_UNKNOWN_ERROR;
break;
}
printf("Dry Run - No action\n");
return 0;
}
+
+ // Sanity
+ if( Ammount == 0 ) {
+ printf("An ammount would be nice\n");
+ return RV_ARGUMENTS;
+ }
sendf(Socket, "ADD %s %i %s\n", Username, Ammount, Reason);
buf = ReadLine(Socket);
if( Ammount < 0 ) {
printf("Sorry, you can only give, you can't take.\n");
- return -1;
+ return 1;
}
// Fast return on zero
if( Ammount == 0 ) {
printf("Are you actually going to give any?\n");
- return 0;
+ return 1;
}
// Check for a dry run
switch(responseCode)
{
- case 200: return 0; // OK
+ case 200:
+ printf("Give succeeded\n");
+ return 0; // OK
case 402:
fprintf(stderr, "Insufficient balance\n");
// Fast return on zero
if( Ammount == 0 ) {
printf("Are you actually going to give any?\n");
- return 0;
+ return 1;
}
// Check for a dry run
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
UCC git Repository :: git.ucc.asn.au