author | Tero Marttila <terom@fixme.fi> |
Sat, 28 Feb 2009 23:48:34 +0200 | |
changeset 19 | 8c80580ccde9 |
parent 18 | dedf137b504f |
child 28 | 9c1050bc8709 |
permissions | -rw-r--r-- |
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split off line_proto, and make sock_stream_error return a const error_info
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#ifndef LINE_PROTO_H |
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#define LINE_PROTO_H |
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/* |
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* Support for protocols that send/receive lines |
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*/ |
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#include "sock.h" |
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#include "error.h" |
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/* |
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* The state handle |
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*/ |
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struct line_proto; |
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/* |
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9fe218576d13
fix sock_stream read/write return value, move line buffer inside of line_proto, add some initial code for event-based non-blocking operation
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* The callback for receiving lines |
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*/ |
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typedef void (*line_proto_read_cb)(char *line, void *arg); |
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fix sock_stream read/write return value, move line buffer inside of line_proto, add some initial code for event-based non-blocking operation
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/* |
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* Create a new line_proto off the the given sock_stream. The newly allocated line_proto will be returned via *lp_ptr. |
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* |
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* The incoming lines are buffered in a buffer of \a buf_size bytes. This imposes a maximum limit on the line length. |
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* |
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* The given callback function/argument will be used to provide event-based recv support. |
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*/ |
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err_t line_proto_create (struct line_proto **lp_ptr, struct sock_stream *sock, size_t buf_size, |
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line_proto_read_cb cb_func, void *cb_arg, struct error_info *err); |
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/* |
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working event-based operation for sock_tcp
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* Runs the socket recv() into our internal buffer. If a full line was received, a pointer to our internal bufffer is |
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* returned via *line_ptr, and we return SUCCESS. If we don't yet have a full line, and receiving more would block, |
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* NULL is returned via *line_ptr instead. Otherwise, nonzero error return code. |
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*/ |
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err_t line_proto_recv (struct line_proto *lp, char **line_ptr); |
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/* |
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* Write a single line to the sock_stream, buffering any incomplete fragment that remains unset. Returns zero if the |
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* line was succesfully sent, >0 if it was only partially sent, or -err on errors. |
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* |
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* The given line should already include the terminating '\r\n' character sequence. |
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update sock_stream_read/write semantics for EOF/EAGAIN, tentative event-based gnutls code
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*/ |
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int line_proto_send (struct line_proto *lp, const char *line); |
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/* |
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* Flush out any buffered line fragment. Returns zero if the buffer was flushed empty, >0 if there's still fragments |
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* remaining, or -err on errors. |
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*/ |
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int line_proto_flush (struct line_proto *lp); |
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update sock_stream_read/write semantics for EOF/EAGAIN, tentative event-based gnutls code
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/* |
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* Get current error_info* |
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*/ |
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const struct error_info* line_proto_error (struct line_proto *lp); |
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#endif /* LINE_PROTO_H */ |