65 lines
2.4 KiB
Racket
65 lines
2.4 KiB
Racket
#lang racket/base
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(require racket/class
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racket/tcp
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openssl
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"../generic/interfaces.rkt"
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"../generic/common.rkt"
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"../generic/socket.rkt"
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"connection.rkt")
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(provide mysql-connect
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mysql-guess-socket-path
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mysql-password-hash)
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(define (mysql-connect #:user user
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#:database [database #f]
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#:password [password #f]
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#:server [server #f]
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#:port [port #f]
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#:socket [socket #f]
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#:ssl [ssl 'no]
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#:ssl-context [ssl-context
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(case ssl
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((no) #f)
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(else (ssl-make-client-context 'tls)))]
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#:notice-handler [notice-handler void]
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#:debug? [debug? #f])
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(let ([connection-options
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(+ (if (or server port) 1 0)
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(if socket 1 0))])
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(when (> connection-options 1)
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(error 'mysql-connect "cannot give both server/port and socket arguments")))
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(let* ([notice-handler
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(cond [(procedure? notice-handler) notice-handler]
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[else (make-print-notice notice-handler)])]
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[c (new connection% (notice-handler notice-handler))])
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(when debug? (send c debug #t))
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(cond [socket
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(let ([socket (if (eq? socket 'guess)
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(mysql-guess-socket-path)
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socket)])
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(let-values ([(in out) (unix-socket-connect socket)])
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(send c attach-to-ports in out)))]
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[else
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(let ([server (or server "localhost")]
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[port (or port 3306)])
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(let-values ([(in out) (tcp-connect server port)])
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(send c attach-to-ports in out)))])
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(send c start-connection-protocol database user password ssl ssl-context)
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c))
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;; make-print-notification : output-port -> number string -> void
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(define ((make-print-notice out) code condition)
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(fprintf (case out
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((output) (current-output-port))
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((error) (current-error-port))
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(else out))
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"notice: ~a (MySQL code ~a)\n" condition code))
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(define socket-paths
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(case (system-type)
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((unix) '("/var/run/mysqld/mysqld.sock"))
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(else '())))
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(define (mysql-guess-socket-path)
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(guess-socket-path/paths 'mysql-guess-socket-path socket-paths))
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