* This file is licenced under the 3-clause BSD Licence. See the file
* COPYING for full details.
*/
+#include <stdlib.h>
#include <stdio.h>
+#include <string.h>
+#include <ctype.h> // isspace
+#include <pwd.h> // getpwuids
+#include <unistd.h> // close/getuid
+#include <limits.h> // INT_MIN/INT_MAX
+#include "common.h"
+
+#define USE_NCURSES_INTERFACE 0
+#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
+
+// === TYPES ===
+
+// === PROTOTYPES ===
+void ShowUsage(void);
+ int main(int argc, char *argv[]);
+ int ParseArguments(int argc, char *argv[]);
+// --- Coke Server Communication ---
+// --- Helpers ---
+char *trim(char *string);
+ int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage);
+void CompileRegex(regex_t *regex, const char *pattern, int flags);
// === GLOBALS ===
-char *gsDispenseServer = "martello";
+char *gsDispenseServer = "merlo.ucc.gu.uwa.edu.au";
int giDispensePort = 11020;
+tItem *gaItems;
+ int giNumItems;
+regex_t gArrayRegex, gItemRegex, gSaltRegex, gUserInfoRegex, gUserItemIdentRegex;
+ int gbIsAuthenticated = 0;
+
+char *gsItemPattern; //!< Item pattern
+char *gsEffectiveUser; //!< '-u' Dispense as another user
+
+enum eUI_Modes giUIMode = UI_MODE_STANDARD;
+ int gbDryRun = 0; //!< '-n' Read-only
+ int gbDisallowSelectWithoutBalance = 1; //!< Don't allow items to be hilighted if not affordable
+
+ 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
+
+char *gsTextArgs[MAX_TXT_ARGS];
+ int giTextArgc;
+
// === CODE ===
-int main(int argc, char *argv[])
+void ShowUsage(void)
+{
+ printf( "Usage:\n" );
+ if( giTextArgc == 0 )
+ printf(
+ " == Everyone ==\n"
+ " dispense\n"
+ " Show interactive list\n"
+ " dispense <name>|<index>|<itemid>\n"
+ " Dispense named item (<name> matches if it is a unique prefix)\n"
+ " dispense finger\n"
+ " Show the finger output\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "give") == 0 )
+ printf(
+ " dispense give <user> <amount> \"<reason>\"\n"
+ " Give money to another user\n"
+ );
+
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "donate") == 0 )
+ printf(
+ " dispense donate <amount> \"<reason>\"\n"
+ " Donate to the club\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "iteminfo") == 0 )
+ printf(
+ " dispense iteminfo <itemid>\n"
+ " Get the name and price for an item\n"
+ );
+// if( giTextArgc == 0 || strcmp(gsTextArgs[0], "enumitems") == 0 )
+// printf(
+// " dispense enumitems\n"
+// " List avaliable items\n"
+// );
+ if( giTextArgc == 0 )
+ printf(" == Coke members == \n");
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "acct") == 0 )
+ printf(
+ " dispense acct [<user>]\n"
+ " Show user balances\n"
+ " dispense acct <user> [+-]<amount> \"<reason>\"\n"
+ " Alter a account value\n"
+ " dispense acct <user> =<amount> \"<reason>\"\n"
+ " Set an account balance\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "refund") == 0 )
+ printf(
+ " dispense refund <user> <itemid> [<price>]\n"
+ " Refund an item to a user (with optional price override)\n"
+ " Item IDs can be seen in the cokelog (in the brackets after the item name)\n"
+ " e.g. coke:6 for a coke, snack:33 for slot 33 of the snack machine\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "slot") == 0 )
+ printf(
+ " dispense slot <itemid> <price> <name>\n"
+ " Rename/Re-price a slot\n"
+ );
+ if( giTextArgc == 0 )
+ printf(" == Dispense administrators ==\n");
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "user") == 0 )
+ printf(
+ " dispense user add <user>\n"
+ " Create new account\n"
+ " dispense user type <user> <flags> <reason>\n"
+ " Alter a user's flags\n"
+ " <flags> is a comma-separated list of user, coke, admin, internal or disabled\n"
+ " Flags are removed by preceding the name with '-' or '!'\n"
+ );
+ if( giTextArgc == 0 )
+ printf( "\n"
+ "General Options:\n"
+ " -c <count>\n"
+ " Dispense multiple times\n"
+ " -u <username>\n"
+ " Set a different user (Coke members only)\n"
+ " -h / -?\n"
+ " Show help text\n"
+ " -G\n"
+ " Use simple textual interface (instead of ncurses)\n"
+ " -n\n"
+ " Dry run - Do not actually do dispenses\n"
+ " -m <min balance>\n"
+ " -M <max balance>\n"
+ " Set the Maximum/Minimum balances shown in `dispense acct`\n"
+ "Definitions:\n"
+ " <itemid>\n"
+ " Item ID of the form <type>:<num> where <type> is a non-empty string of alpha-numeric characters, and <num> is a non-negative integer\n"
+// " <user>\n"
+// " Account name\n"
+ );
+}
+
+//
+// `dispense finger`
+//
+int subcommand_finger(void)
+{
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Get items
+ PopulateItemList(sock);
+
+ printf("The UCC Coke machine.\n\n");
+
+ // Only get coke slot statuses
+ for( int i = 0; i <= 6; i ++ )
+ {
+ const char *status;
+ switch(gaItems[i].Status)
+ {
+ case 0: status = "Avail"; break;
+ case 1: status = "Sold "; break;
+ default:
+ status = "Error";
+ break;
+ }
+ printf("%i - %s %3i %s\n", gaItems[i].ID, status, gaItems[i].Price, gaItems[i].Desc);
+ }
+
+ printf("\nMay your pink fish bing into the distance.\n");
+
+ return 0;
+}
+
+//
+// `dispense acct`
+// - Display/manipulate account balances
+//
+int subcommand_acct(void)
+{
+ int ret = 0;
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ // List accounts?
+ if( giTextArgc == 1 ) {
+ ret = Dispense_EnumUsers(sock);
+ close(sock);
+ return ret;
+ }
+
+ // gsTextArgs[1]: Username
+
+ // Alter account?
+ if( giTextArgc != 2 )
+ {
+ if( giTextArgc != 4 ) {
+ fprintf(stderr, "`dispense acct` requires a reason\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Authentication required
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // gsTextArgs[1]: Username
+ // gsTextArgs[2]: Ammount
+ // gsTextArgs[3]: Reason
+ char *tmp = NULL;
+ long int balance = strtol(gsTextArgs[2]+(gsTextArgs[2][0] == '='), &tmp, 10);
+ if(!tmp || *tmp != '\0') {
+ fprintf(stderr, "dispense acct: Value must be a decimal number of cents\n");
+ return RV_ARGUMENTS;
+ }
+
+ if( gsTextArgs[2][0] == '=' ) {
+ // Set balance
+ ret = Dispense_ShowUser(sock, gsTextArgs[1]);
+ ret = Dispense_SetBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
+ }
+ else {
+ // Alter balance
+ ret = Dispense_AlterBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
+ }
+ }
+ // On error, quit
+ if( ret ) {
+ close(sock);
+ return ret;
+ }
+
+ // Show user information
+ ret = Dispense_ShowUser(sock, gsTextArgs[1]);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense give`
+// - Transfer credit from the current user to another account
+//
+// "Here, have some money."
+//
+int subcommand_give(int argc, char *args[])
+{
+ int ret;
+
+ if( argc != 3 ) {
+ fprintf(stderr, "`dispense give` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ const char *dst_acct = args[0];
+ const char *amt_str = args[1];
+ const char *message = args[2];
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Authenticate
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ char *end = NULL;
+ long amt = strtol(amt_str, &end, 10);
+ if( !end || *end != '\0' ) {
+ fprintf(stderr, "dispense give: Balance is invalid, must be decimal number of cents");
+ return RV_ARGUMENTS;
+ }
+ ret = Dispense_Give(sock, dst_acct, amt, message);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense user`
+// - User administration (Admin Only)
+//
+int subcommand_user(int argc, char *args[])
{
+ int ret;
+
+ // Check argument count
+ if( argc == 0 ) {
+ fprintf(stderr, "Error: `dispense user` requires arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
// Connect to server
+ int 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(args[0], "add") == 0 )
+ {
+ if( giTextArgc != 3 ) {
+ fprintf(stderr, "Error: `dispense user add` requires an argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ ret = Dispense_AddUser(sock, args[1]);
+ }
+ // Update a user
+ else if( strcmp(args[0], "type") == 0 || strcmp(args[0], "flags") == 0 )
+ {
+ if( argc < 3 || argc > 4 ) {
+ fprintf(stderr, "Error: `dispense user type` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ ret = Dispense_SetUserType(sock, args[1], args[2], (argc == 3 ? "" : args[3]));
+ }
+ else
+ {
+ fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense donate`
+// - Donate money to the club
+//
+int subcommand_donate(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 ) {
+ fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int 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(args[0]), args[1]);
+
+ close(sock);
+
+ return ret;
+}
+
+//
+// `dispense refund`
+// - Refund a purchased item
+//
+// "Well excuuuuse me, princess"
+//
+int subcommand_refund(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 && argc != 3 ) {
+ fprintf(stderr, "Error: `dispense refund` takes 2 or 3 arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if(sock < 0) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ int price = 0;
+ if( argc > 2 ) {
+ price = atoi(args[2]);
+ if( price <= 0 ) {
+ fprintf(stderr, "Error: Override price is invalid (should be > 0)\n");
+ return RV_ARGUMENTS;
+ }
+ }
+
+ // Username, Item, cost
+ ret = Dispense_Refund(sock, args[0], args[1], price);
+
+ // TODO: More
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense iteminfo`
+// - Get the state of an item
+//
+int subcommand_iteminfo(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 1 ) {
+ fprintf(stderr, "Error: `dispense iteminfo` takes one argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ char *item_id = args[0];
+
+ regmatch_t matches[3];
+ // Parse item ID
+ if( RunRegex(&gUserItemIdentRegex, item_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ char *type = item_id + matches[1].rm_so;
+ item_id[ matches[1].rm_eo ] = '\0';
+ int id = atoi( item_id + matches[2].rm_so );
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Dispense_ItemInfo(sock, type, id);
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense slot`
+// - Update the name/price of an item
+//
+int subcommand_slot(int argc, char *args[])
+{
+ int ret;
+
+ // Check arguments
+ if( argc != 3 ) {
+ fprintf(stderr, "Error: `dispense slot` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ char *slot_id = args[0];
+ char *price_str = args[1];
+ char *newname = args[2];
+
+ // Parse arguments
+ regmatch_t matches[3];
+ if( RunRegex(&gUserItemIdentRegex, slot_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ const char *item_type = slot_id + matches[1].rm_so;
+ slot_id[ matches[1].rm_eo ] = '\0';
+ int item_id = atoi( slot_id + matches[2].rm_so );
+
+ // - Price
+ char *end;
+ int price = strtol( price_str, &end, 0 );
+ if( price < 0 || *end != '\0' ) {
+ fprintf(stderr, "Error: Invalid price passed (must be >= 0)\n");
+ return RV_ARGUMENTS;
+ }
+
+ // -- Sanity
+ for( char *pos = newname; *pos; pos ++ )
+ {
+ if( !isalnum(*pos) && *pos != ' ' ) {
+ fprintf(stderr, "Error: You should only have letters, numbers and spaces in an item name\n");
+ return RV_ARGUMENTS;
+ }
+ }
+
+ // Connect & Authenticate
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Update the slot
+ ret = Dispense_SetItem(sock, item_type, item_id, price, newname);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense pincheck`
+// - Validate a user's pin (used by the snack machine)
+//
+int subcommand_pincheck(int argc, char *args[])
+{
+ int ret;
+
+ if( argc < 1 || argc > 2 ) {
+ fprintf(stderr, "Error: `dispense pincheck` takes one/two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ struct passwd *pwd = getpwuid( getuid() );
+ gsUserName = strdup(pwd->pw_name);
+
+ const char *pin = args[0];
+ const char *user = (argc > 1 ? args[1] : gsUserName);
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ ret = DispenseCheckPin(sock, user, pin);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense pinset`
+// - Set the pin of the current account
+//
+int subcommand_pinset(int argc, char *args[])
+{
+ int ret;
+
+ if( argc != 1 ) {
+ fprintf(stderr, "Error: `dispense pinset` takes one argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ const char *pin = args[0];
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ ret = DispenseSetPin(sock, pin);
+
+ close(sock);
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ int i, ret = 0;
+ char buffer[BUFSIZ];
+
+ gsTextArgs[0] = "";
+
+ // -- Create regular expressions
+ // > Code Type Count ...
+ CompileRegex(&gArrayRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([0-9]+)", 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
+ CompileRegex(&gUserInfoRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([^ ]+)\\s+(-?[0-9]+)\\s+(.+)$", REG_EXTENDED);
+ // > Item Ident
+ CompileRegex(&gUserItemIdentRegex, "^([A-Za-z]+):([0-9]+)$", REG_EXTENDED);
+
+ // Parse Arguments
+ ret = ParseArguments(argc, argv);
+ if( ret )
+ return ret;
+
+ // Sub-commands
+ if( strcmp(gsTextArgs[0], "finger") == 0 ) {
+ return subcommand_finger();
+ }
+ else if( strcmp(gsTextArgs[0], "acct") == 0 ) {
+ return subcommand_acct();
+ }
+ else if( strcmp(gsTextArgs[0], "give") == 0 ) {
+ return subcommand_give(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "user") == 0 ) {
+ return subcommand_user(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "donate") == 0 ) {
+ return subcommand_donate(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "refund") == 0 ) {
+ return subcommand_refund(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "iteminfo") == 0 ) {
+ return subcommand_iteminfo(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "slot") == 0 ) {
+ return subcommand_slot(giTextArgc-1, gsTextArgs+1);
+ }
+ else if(strcmp(gsTextArgs[0], "pincheck") == 0) {
+ return subcommand_pincheck(giTextArgc-1, gsTextArgs+1);
+ }
+ else if(strcmp(gsTextArgs[0], "pinset") == 0) {
+ return subcommand_pinset(giTextArgc-1, gsTextArgs+1);
+ }
+ else {
+ // Item name / pattern
+ gsItemPattern = gsTextArgs[0];
+ }
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Get the user's balance
+ ret = GetUserBalance(sock);
+ if(ret) return ret;
- // Determine what to do
- if( argc > 1 )
+ // Get items
+ PopulateItemList(sock);
+
+ // Disconnect from server
+ close(sock);
+
+ if( gsItemPattern && gsItemPattern[0] )
{
- if( strcmp(argv[1], "acct") == 0 )
+ regmatch_t matches[3];
+ // Door (hard coded)
+ if( strcmp(gsItemPattern, "door") == 0 )
+ {
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, "door", 0);
+ close(sock);
+ return ret;
+ }
+ // Item id (<type>:<num>)
+ else if( RunRegex(&gUserItemIdentRegex, gsItemPattern, 3, matches, NULL) == 0 )
+ {
+ char *ident;
+ int id;
+
+ // Get and finish ident
+ ident = gsItemPattern + matches[1].rm_so;
+ gsItemPattern[matches[1].rm_eo] = '\0';
+ // Get ID
+ id = atoi( gsItemPattern + matches[2].rm_so );
+
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ Dispense_ItemInfo(sock, ident, id);
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, ident, id);
+ close(sock);
+ return ret;
+ }
+ // Item number (6 = coke)
+ else if( strcmp(gsItemPattern, "0") == 0 || atoi(gsItemPattern) > 0 )
+ {
+ i = atoi(gsItemPattern);
+ }
+ // Item prefix
+ else
{
- return 0;
+ int j;
+ int best = -1;
+ for( i = 0; i < giNumItems; i ++ )
+ {
+ // Prefix match (with case-insensitive match)
+ for( j = 0; gsItemPattern[j]; j ++ )
+ {
+ if( gaItems[i].Desc[j] == gsItemPattern[j] )
+ continue;
+ if( tolower(gaItems[i].Desc[j]) == tolower(gsItemPattern[j]) )
+ continue;
+ break;
+ }
+ // Check if the prefix matched
+ if( gsItemPattern[j] != '\0' )
+ continue;
+
+ // Prefect match
+ if( gaItems[i].Desc[j] == '\0' ) {
+ best = i;
+ break;
+ }
+
+ // Only one match allowed
+ if( best == -1 ) {
+ best = i;
+ }
+ else {
+ // TODO: Allow ambiguous matches?
+ // or just print a wanrning
+ printf("Warning - Ambiguous pattern, stopping\n");
+ return RV_BAD_ITEM;
+ }
+ }
+
+ // Was a match found?
+ if( best == -1 )
+ {
+ fprintf(stderr, "No item matches the passed string\n");
+ return RV_BAD_ITEM;
+ }
+
+ i = best;
}
}
+ else if( giUIMode != UI_MODE_BASIC )
+ {
+ i = ShowNCursesUI();
+ }
+ else
+ {
+ // 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);
+ }
+ printf(" q Quit\n");
+ for(;;)
+ {
+ char *buf;
+
+ i = -1;
+
+ fgets(buffer, BUFSIZ, stdin);
+
+ buf = trim(buffer);
+
+ if( buf[0] == 'q' ) break;
+
+ i = atoi(buf);
+
+ if( i != 0 || buf[0] == '0' )
+ {
+ if( i < 0 || i >= giNumItems ) {
+ printf("Bad item %i (should be between 0 and %i)\n", i, giNumItems);
+ continue;
+ }
+ break;
+ }
+ }
+ }
+
+
+ // Check for a valid item ID
+ if( i >= 0 )
+ {
+ int j;
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ if(ret) return ret;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ 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);
+ }
+ Dispense_ShowUser(sock, gsUserName);
+ close(sock);
+
+ }
- // Ask server for stock list
+ return ret;
+}
+
+int ParseArguments(int argc, char *argv[])
+{
+ for( int i = 1; i < argc; i ++ )
+ {
+ char *arg = argv[i];
+
+ if( arg[0] == '-' )
+ {
+ switch(arg[1])
+ {
+ case 'h':
+ case '?':
+ ShowUsage();
+ return 0;
+
+ case 'c':
+ if( i > 2 && strcmp(argv[i-1], "type") == 0 )
+ goto _default;
+ 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 ;
- // Display the list for the user
- // and choose what to dispense
+ 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;
+ case 'M': // Maximum balance
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -M takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ giMaximumBalance = atoi(argv[++i]);
+ break;
+
+ case 'u': // Override User
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -u takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsEffectiveUser = argv[++i];
+ break;
+
+ case 'H': // Override remote host
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -H takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsDispenseServer = argv[++i];
+ break;
+ case 'P': // Override remote port
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -P takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ giDispensePort = atoi(argv[++i]);
+ break;
+
+ // Set slot name/price
+ case 's':
+ if( giTextArgc != 0 ) {
+ fprintf(stderr, "%s: -s must appear before other arguments\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsTextArgs[0] = "slot"; // HACK!!
+ giTextArgc ++;
+ break;
+
+ 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;
+ case '-':
+ if( strcmp(argv[i], "--help") == 0 ) {
+ ShowUsage();
+ return 0;
+ }
+ else if( strcmp(argv[i], "--dry-run") == 0 ) {
+ gbDryRun = 1;
+ }
+ else if( strcmp(argv[i], "--drinks-only") == 0 ) {
+ giUIMode = UI_MODE_DRINKSONLY;
+ }
+ else if( strcmp(argv[i], "--can-select-all") == 0 ) {
+ gbDisallowSelectWithoutBalance = 0;
+ }
+ else {
+ fprintf(stderr, "%s: Unknown switch '%s'\n", argv[0], argv[i]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ break;
+ default: _default:
+ // The first argument is not allowed to begin with 'i'
+ // (catches most bad flags)
+ if( giTextArgc == 0 ) {
+ fprintf(stderr, "%s: Unknown switch '%s'\n", argv[0], argv[i]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ if( giTextArgc == MAX_TXT_ARGS )
+ {
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+ gsTextArgs[giTextArgc++] = argv[i];
+ break;
+ }
+
+ continue;
+ }
+ if( giTextArgc == MAX_TXT_ARGS )
+ {
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+
+ gsTextArgs[giTextArgc++] = argv[i];
+
+ }
return 0;
}
+
+// ---------------
+// --- Helpers ---
+// ---------------
+char *trim(char *string)
+{
+ int i;
+
+ while( isspace(*string) )
+ string ++;
+
+ for( i = strlen(string); i--; )
+ {
+ if( isspace(string[i]) )
+ string[i] = '\0';
+ else
+ break;
+ }
+
+ return string;
+}
+
+int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage)
+{
+ int ret;
+
+ ret = regexec(regex, string, nMatches, matches, 0);
+ if( ret && errorMessage ) {
+ size_t len = regerror(ret, regex, NULL, 0);
+ char errorStr[len];
+ regerror(ret, regex, errorStr, len);
+ printf("string = '%s'\n", string);
+ fprintf(stderr, "%s\n%s", errorMessage, errorStr);
+ exit(-1);
+ }
+
+ return ret;
+}
+
+void CompileRegex(regex_t *regex, const char *pattern, int flags)
+{
+ int ret = regcomp(regex, pattern, flags);
+ if( ret ) {
+ size_t len = regerror(ret, regex, NULL, 0);
+ char errorStr[len];
+ regerror(ret, regex, errorStr, len);
+ fprintf(stderr, "Regex compilation failed - %s\n", errorStr);
+ exit(-1);
+ }
+}
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
UCC git Repository :: git.ucc.asn.au