/* a.h * * Created by Brad Nichols, 9/1/93 * * The include file for the Automated Teller Machine (ATM) example * program. * Includes definitions used by both client and server programs. * */ /* #define DEBUG */ #ifdef DEBUG #define DPRINTF(x) printf x #else #define DPRINTF(x) #endif /* Clients and server communicate by passing request and response * character strings of fixed formats. Request strings start with a * digit character representing the transaction id which determine * the format of the remaining string. The first charactor in a * reposonse string is a digit representing success or failure for * the request. If success is true, the remaining response string * format is determined by the transaction type that they are in * response to. * * Request string formats * * trans_id account passwd amount * interger integer integer integer * OPEN_ACCT_TRANS X * DEPOSIT_TRANS X X X X * WITHDRAW_TRANS X X X X * BALANCE_TRANS X X X * SHUTDOWN X X * * * Response string formats * * success account passwd amount err_msg * interger integer integer integer char [ERR_MSG_SIZE] * OPEN_ACCT_TRANS X X X X * DEPOSIT_TRANS X X * WITHDRAW_TRANS X X * BALANCE_TRANS X X X * SHUTDOWN X X * */ #define OPEN_ACCT_TRANS 1 #define DEPOSIT_TRANS 2 #define WITHDRAW_TRANS 3 #define BALANCE_TRANS 4 #define SHUTDOWN 5 #define TRANS_SUCCESS 1 #define TRANS_FAILURE 0 #define ERR_MSG_SIZE 20 #define NUM_ERR_MSG 6 #define ERR_MSG_NO_ACCOUNTS "No_More_Accounts" #define ERR_MSG_DATA_UNAVAIL "Database_Unavail" #define ERR_MSG_BAD_ACCOUNT "Bad_Account_ID" #define ERR_MSG_BAD_PASSWORD "Bad_Password" #define ERR_MSG_INS_FUNDS "Insufficient_Funds" #define ERR_MSG_BAD_TRANSID "Bad_Transaction_ID" #define ERR_NUM_SIZE -1 #define ERR_NUM_NO_ACCOUNTS -2 #define ERR_NUM_DATA_UNAVAIL -3 #define ERR_NUM_BAD_ACCOUNT -4 #define ERR_NUM_BAD_PASSWORD -5 #define ERR_NUM_INS_FUNDS -6 #define ERR_NUM_BAD_TRANSID -7
