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Diffstat (limited to 'NetEx/NetMsg.cpp')
-rw-r--r-- | NetEx/NetMsg.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/NetEx/NetMsg.cpp b/NetEx/NetMsg.cpp new file mode 100644 index 0000000..e326d3a --- /dev/null +++ b/NetEx/NetMsg.cpp @@ -0,0 +1,113 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: NetEx.lib + FILE: NetMsg.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + User level network message +*/ + + +#include "MemDebug.h" +#include <windows.h> +#include "NetMsg.h" + +// +-------------------------------------------------------------------+ + +static DWORD net_msg_sequence = 1; + +// +-------------------------------------------------------------------+ + +NetMsg::NetMsg(DWORD nid, void* d, int l, BYTE f) + : msgid(net_msg_sequence++), netid(nid), len(l), flags(f) +{ + data = new(__FILE__,__LINE__) BYTE[len]; + + if (data) { + CopyMemory(data, d, len); + + if (len < MAX_SIZE) + data[1] = len; + else + data[1] = 0; + } + else { + len = 0; + } +} + +// +-------------------------------------------------------------------+ + +NetMsg::NetMsg(DWORD nid, BYTE type, const char* text, int l, BYTE f) + : msgid(net_msg_sequence++), netid(nid), len(2+l), flags(f) +{ + data = new(__FILE__,__LINE__) BYTE[len]; + + if (data) { + data[0] = type; + + if (len < MAX_SIZE) + data[1] = len; + else + data[1] = 0; + + if (len > 2) + CopyMemory(data+2, text, len-2); + } + else { + len = 0; + } +} + +// +-------------------------------------------------------------------+ + +NetMsg::~NetMsg() +{ + delete [] data; +} + +// +-------------------------------------------------------------------+ + +int NetMsg::operator < (const NetMsg& m) const +{ + if (data[0] == MULTIPART && m.data[0] == MULTIPART) { + NetMsgMultipart* p1 = (NetMsgMultipart*) data; + NetMsgMultipart* p2 = (NetMsgMultipart*) m.data; + + if (p1->msgid == p2->msgid) + return p1->partno < p2->partno; + + return p1->msgid < p2->msgid; + } + + return msgid < m.msgid; +} |