rosapps/net/ncftp/sio/sio.h

   1 /* sio.h */
   2
   3 #ifndef _sio_h_
   4 #define _sio_h_ 1
   5
   6 typedef struct SelectSet {
   7         fd_set fds;
   8         struct timeval timeout;
   9         int maxfd;
  10         int numfds;
  11 } SelectSet, *SelectSetPtr;
  12
  13 /* For SReadline */
  14 #ifndef _SReadlineInfo_
  15 #define _SReadlineInfo_ 1
  16 typedef struct SReadlineInfo {
  17         char *buf;              /* Pointer to beginning of buffer. */
  18         char *bufPtr;           /* Pointer to current position in buffer. */
  19         char *bufLim;           /* Pointer to end of buffer. */
  20         size_t bufSize;         /* Current size of buffer block. */
  21         size_t bufSizeMax;      /* Maximum size available for buffer. */
  22         int malloc;             /* If non-zero, malloc() was used for buf. */
  23         int fd;                 /* File descriptor to use for I/O. */
  24         int timeoutLen;         /* Timeout to use, in seconds. */
  25         int requireEOLN;        /* When buffer is full, continue reading and discarding until \n? */
  26 } SReadlineInfo;
  27 #endif
  28
  29 #ifndef forever
  30 #       define forever for ( ; ; )
  31 #endif
  32
  33 /* Private decl; only for use when compiling sio code. */
  34 #ifdef HAVE_SIGSETJMP
  35 #       define SSetjmp(a) sigsetjmp(a, 1)
  36 #       define SLongjmp(a,b) siglongjmp(a, b)
  37 #       define Sjmp_buf sigjmp_buf
  38 #else
  39 #       define SSetjmp(a) setjmp(a)
  40 #       define SLongjmp(a,b) longjmp(a, b)
  41 #       define Sjmp_buf jmp_buf
  42 #endif
  43
  44 /* Parameter to SBind */
  45 #define kReUseAddrYes 1
  46 #define kReUseAddrNo 0
  47
  48 /* Parameter to SRead/SWrite */
  49 #define kFullBufferNotRequired                  00000
  50 #define kFullBufferRequired                             00001
  51 #define kFullBufferRequiredExceptLast   00002
  52 #define kNoFirstSelect                                  00010
  53
  54 /* Parameter to AddrToAddrStr */
  55 #define kUseDNSYes 1
  56 #define kUseDNSNo 0
  57
  58 #define kTimeoutErr (-2)
  59 #define kBrokenPipeErr (-3)
  60
  61 #define kAddrStrToAddrMiscErr (-4)
  62 #define kAddrStrToAddrBadHost (-5)
  63
  64 #define kSNewFailed (-6)
  65 #define kSBindFailed (-7)
  66 #define kSListenFailed (-8)
  67
  68 #define kSrlBufSize 2048
  69
  70 #define kNoTimeLimit 0
  71
  72 #if 1 /* %config2% -- set by configure script -- do not modify */
  73 #       ifndef NO_SIGNALS
  74 #               define NO_SIGNALS 1
  75 #       endif
  76 #else
  77         /* #undef NO_SIGNALS */
  78 #endif
  79
  80 /* Don't change the following line -- it is modified by the Configure script. */
  81 #define SAccept SAcceptS
  82
  83 #ifndef SAccept
  84 #       if defined(NO_SIGNALS) || defined(WIN32) || defined(_WINDOWS)
  85 #               define SAccept SAcceptS
  86 #       else
  87 #               define SAccept SAcceptA
  88 #       endif
  89 #endif
  90
  91 #if !defined(ETIMEDOUT) && defined(WSAETIMEDOUT)
  92 #       define ETIMEDOUT WSAETIMEDOUT
  93 #endif
  94
  95 #if !defined(EADDRNOTAVAIL) && defined(WSAEADDRNOTAVAIL)
  96 #       define EADDRNOTAVAIL WSAEADDRNOTAVAIL
  97 #endif
  98
  99 #if !defined(EWOULDBLOCK) && defined(WSAEWOULDBLOCK)
 100 #       define EWOULDBLOCK WSAEWOULDBLOCK
 101 #endif
 102
 103 #if !defined(EINPROGRESS) && defined(WSAEINPROGRESS)
 104 #       define EINPROGRESS WSAEINPROGRESS
 105 #endif
 106
 107 #if !defined(WIN32) && !defined(_WINDOWS) && !defined(closesocket)
 108 #       define closesocket close
 109 #endif
 110
 111 #if !defined(WIN32) && !defined(_WINDOWS) && !defined(ioctlsocket)
 112 #       define ioctlsocket ioctl
 113 #endif
 114
 115 #if defined(WIN32) || defined(_WINDOWS)
 116 #       define SETERRNO errno = WSAGetLastError();
 117 #       define SETWSATIMEOUTERR WSASetLastError(WSAETIMEDOUT);
 118 #else
 119 #       define SETERRNO
 120 #       define SETWSATIMEOUTERR
 121 #endif
 122
 123 typedef void (*sio_sigproc_t)(int);
 124 typedef volatile sio_sigproc_t vsio_sigproc_t;
 125
 126 #ifdef __cplusplus
 127 extern "C" {
 128 #endif
 129
 130 #ifndef _sio_main_c
 131 extern int gLibSio_Uses_Me_To_Quiet_Variable_Unused_Warnings;
 132 #endif
 133
 134 #if (defined(__GNUC__)) && (__GNUC__ >= 2)
 135 #       ifndef UNUSED
 136 #               define UNUSED(a) a __attribute__ ((unused))
 137 #       endif
 138 #       define LIBSIO_USE_VAR(a)
 139 #else
 140 #       define LIBSIO_USE_VAR(a) gLibSio_Uses_Me_To_Quiet_Variable_Unused_Warnings = (a == 0)
 141 #       ifndef UNUSED
 142 #               define UNUSED(a) a
 143 #       endif
 144 #endif
 145
 146 /* PRead.c */
 147 int PRead(int, char *const, size_t, int);
 148
 149 /* PWrite.c */
 150 int PWrite(int, const char *const, size_t);
 151
 152 /* SAcceptA.c */
 153 int SAcceptA(int, struct sockaddr_in *const, int);
 154
 155 /* SAcceptS.c */
 156 int SAcceptS(int, struct sockaddr_in *const, int);
 157
 158 /* SBind.c */
 159 int SBind(int, const int, const int, const int);
 160 int SListen(int, int);
 161
 162 /* SClose.c */
 163 int SClose(int, int);
 164
 165 /* SConnect.c */
 166 int SConnect(int, const struct sockaddr_in *const, int);
 167
 168 /* SConnectByName.c */
 169 int SConnectByName(int, const char *const, const int);
 170
 171 /* SNew.c */
 172 int SNewStreamClient(void);
 173 int SNewDatagramClient(void);
 174 int SNewStreamServer(const int, const int, const int, int);
 175 int SNewDatagramServer(const int, const int, const int);
 176
 177 /* SRead.c */
 178 int SRead(int, char *const, size_t, int, int);
 179
 180 /* SReadline.c */
 181 void FlushSReadlineInfo(SReadlineInfo *);
 182 int InitSReadlineInfo(SReadlineInfo *, int, char *, size_t, int, int);
 183 void DisposeSReadlineInfo(SReadlineInfo *);
 184 int SReadline(SReadlineInfo *, char *const, size_t);
 185
 186 /* SRecv.c */
 187 int SRecv(int, char *const, size_t, int, int, int);
 188
 189 /* SRecvfrom.c */
 190 int SRecvfrom(int, char *const, size_t, int, struct sockaddr_in *const, int);
 191
 192 /* SRecvmsg.c */
 193 int SRecvmsg(int, void *const, int, int);
 194
 195 /* SSelect.c */
 196 void SelectSetInit(SelectSetPtr const, const double);
 197 void SelectSetAdd(SelectSetPtr const, const int);
 198 void SelectSetRemove(SelectSetPtr const, const int);
 199 int SelectW(SelectSetPtr, SelectSetPtr);
 200 int SelectR(SelectSetPtr, SelectSetPtr);
 201
 202 /* SSend.c */
 203 int SSend(int, char *, size_t, int, int);
 204
 205 /* SSendto.c */
 206 int SSendto(int, const char *const, size_t, int, const struct sockaddr_in *const, int);
 207 int Sendto(int, const char *const, size_t, const struct sockaddr_in *const);
 208
 209 /* SSendtoByName.c */
 210 int SSendtoByName(int, const char *const, size_t, int, const char *const, int);
 211 int SendtoByName(int, const char *const, size_t, const char *const);
 212
 213 /* SWait.c */
 214 int SWaitUntilReadyForReading(const int sfd, const int tlen);
 215 int SWaitUntilReadyForWriting(const int sfd, const int tlen);
 216
 217 /* SWrite.c */
 218 int SWrite(int, const char *const, size_t, int, int);
 219
 220 /* SocketUtil.c */
 221 int GetSocketBufSize(int, size_t *const, size_t *const);
 222 int SetSocketBufSize(int, size_t, size_t);
 223 int GetSocketNagleAlgorithm(const int);
 224 int SetSocketNagleAlgorithm(const int, const int);
 225 int GetSocketLinger(const int, int *const);
 226 int SetSocketLinger(const int, const int, const int);
 227
 228 /* StrAddr.c */
 229 int AddrStrToAddr(const char *const, struct sockaddr_in *const, const int);
 230 char *AddrToAddrStr(char *const dst, size_t dsize, struct sockaddr_in * const saddrp, int dns, const char *fmt);
 231
 232 /* SError.c */
 233 const char *SError(int e);
 234
 235 /* main.c */
 236 void SIOHandler(int);
 237 void (*SSignal(int signum, void (*handler)(int)))(int);
 238
 239 #ifdef __cplusplus
 240 }
 241 #endif
 242
 243 #endif  /* _sio_h_ */