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58 lines
2.8 KiB
C++
58 lines
2.8 KiB
C++
/*
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PURPOSE: (A wrapper for system calls to facilitate testing.)
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*/
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#ifndef __SYSTEM_INTERFACE__
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#define __SYSTEM_INTERFACE__
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#include <iostream>
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#include <functional>
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#include <sys/types.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include <arpa/inet.h>
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class SystemInterface {
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public:
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virtual int socket (int domain, int type, int protocol) { return ::socket ( domain, type, protocol); }
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virtual int setsockopt (int socket, int level, int option_name, const void * option_value, socklen_t option_len) { return ::setsockopt ( socket, level, option_name, option_value, option_len); }
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virtual int bind (int socket, const struct sockaddr * address, socklen_t address_len) { return ::bind ( socket, address, address_len); }
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virtual int getsockname (int socket, struct sockaddr * address, socklen_t * address_len) { return ::getsockname ( socket, address, address_len); }
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virtual int listen (int socket, int backlog) { return ::listen ( socket, backlog); }
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virtual int select (int nfds, fd_set * readfds, fd_set * writefds, fd_set * errorfds, struct timeval * timeout) { return ::select ( nfds, readfds, writefds, errorfds, timeout); }
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virtual int close (int fildes) { return ::close ( fildes); }
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virtual int getaddrinfo (const char * hostname, const char * servname, const struct addrinfo * hints, struct addrinfo ** res) { return ::getaddrinfo ( hostname, servname, hints, res); }
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virtual int fcntl (int fildes, int cmd, int arg) { return ::fcntl ( fildes, cmd, arg); }
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virtual int shutdown (int socket, int how) { return ::shutdown ( socket, how); }
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virtual int accept (int socket, struct sockaddr * address, socklen_t * address_len) { return ::accept ( socket, address, address_len); }
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virtual ssize_t send (int socket, const void * buffer, size_t length, int flags) { return ::send ( socket, buffer, length, flags); }
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virtual ssize_t sendto (int socket, const void * buffer, size_t length, int flags, const struct sockaddr * dest_addr, socklen_t dest_len) { return ::sendto ( socket, buffer, length, flags, dest_addr, dest_len); }
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virtual ssize_t recv (int socket, void * buffer, size_t length, int flags) { return ::recv ( socket, buffer, length, flags); }
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virtual ssize_t recvfrom (int socket, void * buffer, size_t length, int flags, struct sockaddr * address, socklen_t * address_len) { return ::recvfrom ( socket, buffer, length, flags, address, address_len); }
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virtual in_addr_t inet_addr (const char * cp) { return ::inet_addr ( cp); }
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};
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#endif
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