From 633f01050b3cde2488f4b05e971d3aaf258357eb Mon Sep 17 00:00:00 2001 From: Pavel Grunt Date: Wed, 14 Jan 2015 17:44:39 +0100 Subject: Split agent data message into smaller chunks Allowed size for SPICE_MSGC_MAIN_AGENT_DATA message is 2048 Bytes, larger messages have to be splitted. --- enums.js | 1 + main.js | 16 +++++++++++++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/enums.js b/enums.js index fcf27e6..4b678df 100644 --- a/enums.js +++ b/enums.js @@ -312,6 +312,7 @@ var SPICE_CURSOR_TYPE_ALPHA = 0, var SPICE_VIDEO_CODEC_TYPE_MJPEG = 1; var VD_AGENT_PROTOCOL = 1; +var VD_AGENT_MAX_DATA_SIZE = 2048; var VD_AGENT_MOUSE_STATE = 1, VD_AGENT_MONITORS_CONFIG = 2, diff --git a/main.js b/main.js index 5dc2b72..fce2f41 100644 --- a/main.js +++ b/main.js @@ -224,9 +224,19 @@ SpiceMainConn.prototype.send_agent_message_queue = function(message) SpiceMainConn.prototype.send_agent_message = function(type, message) { var agent_data = new SpiceMsgcMainAgentData(type, message); - var mr = new SpiceMiniData(); - mr.build_msg(SPICE_MSGC_MAIN_AGENT_DATA, agent_data); - this.send_agent_message_queue(mr); + var sb = 0, maxsize = VD_AGENT_MAX_DATA_SIZE - SpiceMiniData.prototype.buffer_size(); + var data = new ArrayBuffer(agent_data.buffer_size()); + agent_data.to_buffer(data); + while (sb < agent_data.buffer_size()) + { + var eb = Math.min(sb + maxsize, agent_data.buffer_size()); + var mr = new SpiceMiniData(); + mr.type = SPICE_MSGC_MAIN_AGENT_DATA; + mr.size = eb - sb; + mr.data = data.slice(sb, eb); + this.send_agent_message_queue(mr); + sb = eb; + } } SpiceMainConn.prototype.resize_window = function(flags, width, height, depth, x, y) -- cgit v1.2.3