Merge 1.1.0 changes back to master.
This commit is contained in:
commit
b6005cc8a0
@ -54,6 +54,7 @@ libguacinc_HEADERS = \
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guacamole/pool.h \
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guacamole/pool-types.h \
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guacamole/protocol.h \
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guacamole/protocol-constants.h \
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guacamole/protocol-types.h \
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guacamole/socket-constants.h \
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guacamole/socket.h \
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@ -516,6 +516,26 @@ int guac_client_get_processing_lag(guac_client* client) {
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}
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void guac_client_stream_argv(guac_client* client, guac_socket* socket,
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const char* mimetype, const char* name, const char* value) {
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/* Allocate new stream for argument value */
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guac_stream* stream = guac_client_alloc_stream(client);
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/* Declare stream as containing connection parameter data */
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guac_protocol_send_argv(socket, stream, mimetype, name);
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/* Write parameter data */
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guac_protocol_send_blobs(socket, stream, value, strlen(value));
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/* Terminate stream */
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guac_protocol_send_end(socket, stream);
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/* Free allocated stream */
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guac_client_free_stream(client, stream);
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}
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void guac_client_stream_png(guac_client* client, guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer, int x, int y,
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cairo_surface_t* surface) {
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@ -59,7 +59,7 @@ typedef struct guac_jpeg_destination_mgr {
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/**
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* The output buffer.
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*/
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unsigned char buffer[6048];
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unsigned char buffer[GUAC_PROTOCOL_BLOB_MAX_LENGTH];
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} guac_jpeg_destination_mgr;
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@ -56,7 +56,7 @@ typedef struct guac_png_write_state {
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/**
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* Buffer of pending PNG data.
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*/
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char buffer[6048];
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char buffer[GUAC_PROTOCOL_BLOB_MAX_LENGTH];
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/**
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* The number of bytes currently stored in the buffer.
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@ -52,7 +52,7 @@ typedef struct guac_webp_stream_writer {
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/**
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* Buffer of pending WebP data.
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*/
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char buffer[6048];
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char buffer[GUAC_PROTOCOL_BLOB_MAX_LENGTH];
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/**
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* The number of bytes currently stored in the buffer.
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@ -548,6 +548,33 @@ int guac_client_load_plugin(guac_client* client, const char* protocol);
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*/
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int guac_client_get_processing_lag(guac_client* client);
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/**
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* Streams the given connection parameter value over an argument value stream
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* ("argv" instruction), exposing the current value of the named connection
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* parameter to all users of the given client. The argument value stream will
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* be automatically allocated and freed.
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*
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* @param client
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* The Guacamole client for which the argument value stream should be
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* allocated.
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*
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* @param socket
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* The socket over which instructions associated with the argument value
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* stream should be sent.
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*
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* @param mimetype
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* The mimetype of the data within the connection parameter value being
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* sent.
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*
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* @param name
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* The name of the connection parameter being sent.
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*
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* @param value
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* The current value of the connection parameter being sent.
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*/
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void guac_client_stream_argv(guac_client* client, guac_socket* socket,
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const char* mimetype, const char* name, const char* value);
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/**
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* Streams the image data of the given surface over an image stream ("img"
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* instruction) as PNG-encoded data. The image stream will be automatically
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53
src/libguac/guacamole/protocol-constants.h
Normal file
53
src/libguac/guacamole/protocol-constants.h
Normal file
@ -0,0 +1,53 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef GUAC_PROTOCOL_CONSTANTS_H
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#define GUAC_PROTOCOL_CONSTANTS_H
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/**
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* Constants related to the Guacamole protocol.
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*
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* @file protocol-constants.h
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*/
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/**
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* This defines the overall protocol version that this build of libguac
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* supports. The protocol version is used to provide compatibility between
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* potentially different versions of Guacamole server and clients. The
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* version number is a MAJOR_MINOR_PATCH version that matches the versioning
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* used throughout the components of the Guacamole project. This version
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* will not necessarily increment with the other components, unless additional
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* functionality is introduced that affects compatibility.
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*
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* This version is passed by the __guac_protocol_send_args() function from the
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* server to the client during the client/server handshake.
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*/
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#define GUACAMOLE_PROTOCOL_VERSION "VERSION_1_1_0"
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/**
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* The maximum number of bytes that should be sent in any one blob instruction
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* to ensure the instruction does not exceed the maximum allowed instruction
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* size.
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*
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* @see GUAC_INSTRUCTION_MAX_LENGTH
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*/
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#define GUAC_PROTOCOL_BLOB_MAX_LENGTH 6048
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#endif
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@ -30,6 +30,7 @@
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#include "layer-types.h"
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#include "object-types.h"
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#include "protocol-constants.h"
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#include "protocol-types.h"
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#include "socket-types.h"
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#include "stream-types.h"
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@ -38,20 +39,6 @@
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#include <cairo/cairo.h>
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#include <stdarg.h>
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/**
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* This defines the overall protocol version that this build of libguac
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* supports. The protocol version is used to provide compatibility between
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* potentially different versions of Guacamole server and clients. The
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* version number is a MAJOR_MINOR_PATCH version that matches the versioning
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* used throughout the components of the Guacamole project. This version
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* will not necessarily increment with the other components, unless additional
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* functionality is introduced that affects compatibility.
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*
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* This version is passed by the __guac_protocol_send_args() function from the
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* server to the client during the client/server handshake.
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*/
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#define GUACAMOLE_PROTOCOL_VERSION "VERSION_1_1_0"
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/* CONTROL INSTRUCTIONS */
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/**
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@ -448,6 +435,37 @@ int guac_protocol_send_pipe(guac_socket* socket, const guac_stream* stream,
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int guac_protocol_send_blob(guac_socket* socket, const guac_stream* stream,
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const void* data, int count);
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/**
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* Sends a series of blob instructions, splitting the given data across the
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* number of instructions required to ensure the size of each blob does not
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* exceed GUAC_PROTOCOL_BLOB_MAX_LENGTH. If the size of data provided is zero,
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* no blob instructions are sent.
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*
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* If an error occurs sending any blob instruction, a non-zero value is
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* returned, guac_error is set appropriately, and no further blobs are sent.
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*
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* @see GUAC_PROTOCOL_BLOB_MAX_LENGTH
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*
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* @param socket
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* The guac_socket connection to use to send the blob instructions.
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*
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* @param stream
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* The stream to associate with each blob sent.
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*
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* @param data
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* The data which should be sent using the required number of blob
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* instructions.
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*
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* @param count
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* The number of bytes within the given buffer of data that must be
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* written.
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*
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* @return
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* Zero on success, non-zero on error.
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*/
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int guac_protocol_send_blobs(guac_socket* socket, const guac_stream* stream,
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const void* data, int count);
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/**
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* Sends an end instruction over the given guac_socket connection.
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*
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@ -932,6 +950,31 @@ int guac_protocol_send_size(guac_socket* socket, const guac_layer* layer,
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/* TEXT INSTRUCTIONS */
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/**
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* Sends an argv instruction over the given guac_socket connection.
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*
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* If an error occurs sending the instruction, a non-zero value is
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* returned, and guac_error is set appropriately.
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*
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* @param socket
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* The guac_socket connection to use to send the connection parameter
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* value.
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*
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* @param stream
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* The stream to use to send the connection parameter value.
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*
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* @param mimetype
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* The mimetype of the connection parameter value being sent.
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*
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* @param name
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* The name of the connection parameter whose current value is being sent.
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*
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* @return
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* Zero on success, non-zero on error.
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*/
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int guac_protocol_send_argv(guac_socket* socket, guac_stream* stream,
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const char* mimetype, const char* name);
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/**
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* Sends a clipboard instruction over the given guac_socket connection.
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*
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@ -676,6 +676,32 @@ guac_object* guac_user_alloc_object(guac_user* user);
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*/
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void guac_user_free_object(guac_user* user, guac_object* object);
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/**
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* Streams the given connection parameter value over an argument value stream
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* ("argv" instruction), exposing the current value of the named connection
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* parameter to the given user. The argument value stream will be automatically
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* allocated and freed.
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*
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* @param user
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* The Guacamole user who should receive the connection parameter value.
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*
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* @param socket
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* The socket over which instructions associated with the argument value
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* stream should be sent.
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*
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* @param mimetype
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* The mimetype of the data within the connection parameter value being
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* sent.
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*
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* @param name
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* The name of the connection parameter being sent.
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*
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* @param value
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* The current value of the connection parameter being sent.
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*/
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void guac_user_stream_argv(guac_user* user, guac_socket* socket,
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const char* mimetype, const char* name, const char* value);
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/**
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* Streams the image data of the given surface over an image stream ("img"
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* instruction) as PNG-encoded data. The image stream will be automatically
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@ -125,6 +125,26 @@ int guac_protocol_send_args(guac_socket* socket, const char** args) {
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}
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int guac_protocol_send_argv(guac_socket* socket, guac_stream* stream,
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const char* mimetype, const char* name) {
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int ret_val;
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guac_socket_instruction_begin(socket);
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ret_val =
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guac_socket_write_string(socket, "4.argv,")
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|| __guac_socket_write_length_int(socket, stream->index)
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|| guac_socket_write_string(socket, ",")
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|| __guac_socket_write_length_string(socket, mimetype)
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|| guac_socket_write_string(socket, ",")
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|| __guac_socket_write_length_string(socket, name)
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|| guac_socket_write_string(socket, ";");
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guac_socket_instruction_end(socket);
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return ret_val;
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}
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int guac_protocol_send_arc(guac_socket* socket, const guac_layer* layer,
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int x, int y, int radius, double startAngle, double endAngle,
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int negative) {
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@ -195,6 +215,33 @@ int guac_protocol_send_blob(guac_socket* socket, const guac_stream* stream,
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}
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int guac_protocol_send_blobs(guac_socket* socket, const guac_stream* stream,
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const void* data, int count) {
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int ret_val = 0;
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/* Send blob instructions while data remains and instructions are being
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* sent successfully */
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while (count > 0 && ret_val == 0) {
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/* Limit blob size to maximum allowed */
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int blob_size = count;
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if (blob_size > GUAC_PROTOCOL_BLOB_MAX_LENGTH)
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blob_size = GUAC_PROTOCOL_BLOB_MAX_LENGTH;
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/* Send next blob of data */
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ret_val = guac_protocol_send_blob(socket, stream, data, blob_size);
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/* Advance to next blob */
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data = (const char*) data + blob_size;
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count -= blob_size;
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}
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return ret_val;
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}
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int guac_protocol_send_body(guac_socket* socket, const guac_object* object,
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const guac_stream* stream, const char* mimetype, const char* name) {
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@ -121,25 +121,8 @@ static void raw_encoder_flush_handler(guac_audio_stream* audio) {
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guac_socket* socket = audio->client->socket;
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guac_stream* stream = audio->stream;
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unsigned char* current = state->buffer;
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int remaining = state->written;
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/* Flush all data in buffer as blobs */
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while (remaining > 0) {
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/* Determine size of blob to be written */
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int chunk_size = remaining;
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if (chunk_size > 6048)
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chunk_size = 6048;
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/* Send audio data */
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guac_protocol_send_blob(socket, stream, current, chunk_size);
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/* Advance to next blob */
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current += chunk_size;
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remaining -= chunk_size;
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}
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guac_protocol_send_blobs(socket, stream, state->buffer, state->written);
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/* All data has been flushed */
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state->written = 0;
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@ -229,6 +229,26 @@ void guac_user_log(guac_user* user, guac_client_log_level level,
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}
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void guac_user_stream_argv(guac_user* user, guac_socket* socket,
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const char* mimetype, const char* name, const char* value) {
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/* Allocate new stream for argument value */
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guac_stream* stream = guac_user_alloc_stream(user);
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/* Declare stream as containing connection parameter data */
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guac_protocol_send_argv(socket, stream, mimetype, name);
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/* Write parameter data */
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guac_protocol_send_blobs(socket, stream, value, strlen(value));
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/* Terminate stream */
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guac_protocol_send_end(socket, stream);
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/* Free allocated stream */
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guac_user_free_stream(user, stream);
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}
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void guac_user_stream_png(guac_user* user, guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer, int x, int y,
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cairo_surface_t* surface) {
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|
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