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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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9d6a438aae
Allows to specify and get frame type. Type and flags are returned calling websocket_read and returned calling websocket_write or websocket_writev. Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Jeremy White <jwhite@codeweavers.com>
44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
/*
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* Copyright (C) 2015 Jeremy White
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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typedef ssize_t (*websocket_read_cb_t)(void *opaque, void *buf, size_t nbyte);
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typedef ssize_t (*websocket_write_cb_t)(void *opaque, const void *buf, size_t nbyte);
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typedef ssize_t (*websocket_writev_cb_t)(void *opaque, struct iovec *iov, int iovcnt);
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typedef struct RedsWebSocket RedsWebSocket;
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enum {
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WEBSOCKET_TEXT = 1,
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WEBSOCKET_BINARY= 2,
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WEBSOCKET_FINAL = 0x80,
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WEBSOCKET_TEXT_FINAL = WEBSOCKET_TEXT | WEBSOCKET_FINAL,
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WEBSOCKET_BINARY_FINAL = WEBSOCKET_BINARY | WEBSOCKET_FINAL,
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};
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RedsWebSocket *websocket_new(const void *buf, size_t len, void *stream, websocket_read_cb_t read_cb,
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websocket_write_cb_t write_cb, websocket_writev_cb_t writev_cb);
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void websocket_free(RedsWebSocket *ws);
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/**
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* Read data from websocket.
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* Can return 0 in case client sent an empty text/binary data, check
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* flags to detect this.
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*/
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int websocket_read(RedsWebSocket *ws, uint8_t *buf, size_t len, unsigned *flags);
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int websocket_write(RedsWebSocket *ws, const void *buf, size_t len, unsigned flags);
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int websocket_writev(RedsWebSocket *ws, const struct iovec *iov, int iovcnt, unsigned flags);
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