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< pre style = "font-family:monospace;font-size:12pt" >
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< a name = "l1" > < / a > < span class = cF0 > CTCPSocket *tcp = TCPSocket(AF_INET);
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< a name = "l2" > < / a > CTCPTreeQueue *connections = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CTCPTreeQueue< / span > < span class = cF7 > )< / span > < span class = cF0 > ); < / span > < span class = cF2 > // head< / span > < span class = cF0 >
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< a name = "l3" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *buffer = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (ETHERNET_FRAME_SIZE);
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< a name = "l4" > < / a >
< a name = "l5" > < / a > < / span > < span class = cF5 > QueueInit< / span > < span class = cF0 > (connections);
< a name = "l6" > < / a >
< a name = "l7" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > ChatServerKill()
< a name = "l8" > < / a > {
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< a name = "l9" > < / a > CTCPTreeQueue *conn = connections-> next;
< a name = "l10" > < / a > CTCPTreeQueue *next_conn;
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< a name = "l11" > < / a >
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< a name = "l12" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (conn != connections)
< a name = "l13" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l14" > < / a > < / span > < span class = cF6 > " \nClosing socket @ 0x%0X\n" < / span > < span class = cF0 > , conn-> socket;
< a name = "l15" > < / a > TCPSocketClose(conn-> socket);
< a name = "l16" > < / a > next_conn = conn-> next;
< a name = "l17" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (conn);
< a name = "l18" > < / a > conn = next_conn;
< a name = "l19" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l20" > < / a >
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< a name = "l21" > < / a > < / span > < span class = cF6 > " \nClosing listening socket.\n" < / span > < span class = cF0 > ;
< a name = "l22" > < / a > TCPSocketClose(tcp);
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< a name = "l23" > < / a >
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< a name = "l24" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ;
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< a name = "l25" > < / a > }
< a name = "l26" > < / a >
< a name = "l27" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > ChatServerBroadcast(CTCPSocket *tcp_socket, < / span > < span class = cF9 > I64< / span > < span class = cF0 > length)
< a name = "l28" > < / a > { < / span > < span class = cF2 > // Broadcast length bytes of msg in buffer to all but original socket.< / span > < span class = cF0 >
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< a name = "l29" > < / a > CTCPTreeQueue *conn = connections-> next;
< a name = "l30" > < / a > CTCPSocket *dest_socket;
< a name = "l31" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *ip_string;
< a name = "l32" > < / a > CIPV4Address addr;
< a name = "l33" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *message;
< a name = "l34" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *message_prefix;
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< a name = "l35" > < / a >
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< a name = "l36" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (conn != connections)
< a name = "l37" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l38" > < / a > dest_socket = conn-> socket;
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< a name = "l39" > < / a >
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< a name = "l40" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dest_socket != tcp_socket)
< a name = "l41" > < / a > {
< a name = "l42" > < / a > addr.address = < / span > < span class = cF5 > EndianU32< / span > < span class = cF0 > (dest_socket-> destination_address< / span > < span class = cF7 > (< / span > < span class = cF0 > CSocketAddressIPV4< / span > < span class = cF7 > )< / span > < span class = cF0 > .address.address);
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< a name = "l43" > < / a >
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< a name = "l44" > < / a > ip_string = NetworkToPresentation(AF_INET, & addr);
< a name = "l45" > < / a > < / span > < span class = cF2 > // TODO: is NetworkToPresentation backwards? or, do socket addrs store BE or LE ?< / span > < span class = cF0 >
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< a name = "l46" > < / a >
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< a name = "l47" > < / a > < / span > < span class = cF6 > " \nBroacasting msg to %s.\n" < / span > < span class = cF0 > , ip_string;
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< a name = "l48" > < / a >
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< a name = "l49" > < / a > addr.address = < / span > < span class = cF5 > EndianU32< / span > < span class = cF0 > (tcp_socket-> destination_address< / span > < span class = cF7 > (< / span > < span class = cF0 > CSocketAddressIPV4< / span > < span class = cF7 > )< / span > < span class = cF0 > .address.address);
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< a name = "l50" > < / a >
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< a name = "l51" > < / a > ip_string = NetworkToPresentation(AF_INET, & addr);
< a name = "l52" > < / a > < / span > < span class = cF2 > // TODO: is NetworkToPresentation backwards? or, do socket addrs store BE or LE ?< / span > < span class = cF0 >
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< a name = "l53" > < / a >
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< a name = "l54" > < / a > message_prefix = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " $BG,PURPLE$$BLACK$< %s> $FG$$BG$ %%0%dts" < / span > < span class = cF0 > , ip_string, length);
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< a name = "l55" > < / a >
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< a name = "l56" > < / a > message = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (message_prefix, buffer);
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< a name = "l57" > < / a >
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< a name = "l58" > < / a > TCPSocketSendString(dest_socket, message);
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< a name = "l59" > < / a >
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< a name = "l60" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message);
< a name = "l61" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message_prefix);
< a name = "l62" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (ip_string);
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< a name = "l63" > < / a >
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< a name = "l64" > < / a > }
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< a name = "l65" > < / a >
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< a name = "l66" > < / a > conn = conn-> next;
< a name = "l67" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l68" > < / a >
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< a name = "l69" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ;
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< a name = "l70" > < / a > }
< a name = "l71" > < / a >
< a name = "l72" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > ChatServerBroadcastDisconnect()
< a name = "l73" > < / a > {
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< a name = "l74" > < / a > CTCPTreeQueue *conn = connections-> next;
< a name = "l75" > < / a > CTCPSocket *conn_socket;
< a name = "l76" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *message = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " $BG,LTGRAY$$DKGRAY$Client disconnected. Connected clients: %d$FG$$BG$" < / span > < span class = cF0 > ,
< a name = "l77" > < / a > < / span > < span class = cF5 > QueueCount< / span > < span class = cF7 > (< / span > < span class = cF0 > connections< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l78" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (conn != connections)
< a name = "l79" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l80" > < / a > conn_socket = conn-> socket;
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< a name = "l81" > < / a >
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< a name = "l82" > < / a > TCPSocketSendString(conn_socket, message);
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< a name = "l83" > < / a >
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< a name = "l84" > < / a > conn = conn-> next;
< a name = "l85" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l86" > < / a >
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< a name = "l87" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message);
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< a name = "l88" > < / a >
< a name = "l89" > < / a > }
< a name = "l90" > < / a >
< a name = "l91" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > ChatServerReceive()
< a name = "l92" > < / a > {
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< a name = "l93" > < / a > CTCPTreeQueue *conn = connections-> next;
< a name = "l94" > < / a > CTCPTreeQueue *next_conn;
< a name = "l95" > < / a > CTCPSocket *socket;
< a name = "l96" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > message_len;
< a name = "l97" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *ip_string;
< a name = "l98" > < / a > CIPV4Address addr;
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< a name = "l99" > < / a >
< a name = "l100" > < / a >
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< a name = "l101" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (conn != connections)
< a name = "l102" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l103" > < / a > socket = conn-> socket;
< a name = "l104" > < / a > message_len = TCPSocketReceive(socket, buffer, ETHERNET_FRAME_SIZE);
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< a name = "l105" > < / a >
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< a name = "l106" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (message_len == < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l107" > < / a > {
< a name = "l108" > < / a > < / span > < span class = cF6 > " \nClosing a connection.\n" < / span > < span class = cF0 > ;
< a name = "l109" > < / a > socket-> timeout = TCP_TIMEOUT;
< a name = "l110" > < / a > TCPSocketClose(socket);
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< a name = "l111" > < / a >
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< a name = "l112" > < / a > next_conn = conn-> next;
< a name = "l113" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (conn);
< a name = "l114" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (conn);
< a name = "l115" > < / a > conn = next_conn;
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< a name = "l116" > < / a >
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< a name = "l117" > < / a > ChatServerBroadcastDisconnect();
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< a name = "l118" > < / a >
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< a name = "l119" > < / a > }
< a name = "l120" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (message_len > < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l121" > < / a > {
< a name = "l122" > < / a > addr.address = < / span > < span class = cF5 > EndianU32< / span > < span class = cF0 > (socket-> destination_address< / span > < span class = cF7 > (< / span > < span class = cF0 > CSocketAddressIPV4< / span > < span class = cF7 > )< / span > < span class = cF0 > .address.address);
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< a name = "l123" > < / a >
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< a name = "l124" > < / a > ip_string = NetworkToPresentation(AF_INET, & addr);
< a name = "l125" > < / a > < / span > < span class = cF2 > // TODO: is NetworkToPresentation backwards? or, do socket addrs store BE or LE ?< / span > < span class = cF0 >
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< a name = "l126" > < / a >
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< a name = "l127" > < / a > < / span > < span class = cF6 > " \nBroadcasting %d byte msg from %s: %Q\n" < / span > < span class = cF0 > , message_len, ip_string, buffer;
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< a name = "l128" > < / a >
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< a name = "l129" > < / a > < / span > < span class = cF2 > //ClassRep(socket);< / span > < span class = cF0 >
< a name = "l130" > < / a > ChatServerBroadcast(socket, message_len);
< a name = "l131" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (buffer, < / span > < span class = cFE > 0< / span > < span class = cF0 > , ETHERNET_FRAME_SIZE);
< a name = "l132" > < / a > conn = conn-> next;
< a name = "l133" > < / a > }
< a name = "l134" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l135" > < / a > {
< a name = "l136" > < / a > < / span > < span class = cF2 > //" \nReceived -1 [error], trying next connection.\n" ;< / span > < span class = cF0 >
< a name = "l137" > < / a > conn = conn-> next;
< a name = "l138" > < / a > }
< a name = "l139" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l140" > < / a >
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< a name = "l141" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ;
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< a name = "l142" > < / a >
< a name = "l143" > < / a > }
< a name = "l144" > < / a >
< a name = "l145" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > ChatServer()
< a name = "l146" > < / a > {
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< a name = "l147" > < / a > CSocketAddressIPV4 socket_addr;
< a name = "l148" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *port_string = < / span > < span class = cF5 > StrGet< / span > < span class = cF0 > (< / span > < span class = cF6 > " Server Port: " < / span > < span class = cF0 > );
< a name = "l149" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > port = < / span > < span class = cF5 > Str2I64< / span > < span class = cF0 > (port_string);
< a name = "l150" > < / a > CTCPSocket *new_socket;
< a name = "l151" > < / a > CTCPTreeQueue *new_conn;
< a name = "l152" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *join_msg;
< a name = "l153" > < / a > CTCPTreeQueue *conn;
< a name = "l154" > < / a > CTCPSocket *conn_socket;
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< a name = "l155" > < / a >
< a name = "l156" > < / a >
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< a name = "l157" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (port_string);
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< a name = "l158" > < / a >
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< a name = "l159" > < / a > socket_addr.port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (port);
< a name = "l160" > < / a > socket_addr.family = AF_INET;
< a name = "l161" > < / a > socket_addr.address.address = INADDR_ANY;
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< a name = "l162" > < / a >
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< a name = "l163" > < / a > tcp-> timeout = < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 3< / span > < span class = cF0 > * < / span > < span class = cF3 > JIFFY_FREQ< / span > < span class = cF0 > ;
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< a name = "l164" > < / a >
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< a name = "l165" > < / a > < / span > < span class = cF6 > " \nTrying to bind socket.\n" < / span > < span class = cF0 > ;
< a name = "l166" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (TCPSocketBind< / span > < span class = cF7 > (< / span > < span class = cF0 > tcp, & socket_addr< / span > < span class = cF7 > )< / span > < span class = cF0 > == < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l167" > < / a > < / span > < span class = cF6 > " \nSocket bound.\n" < / span > < span class = cF0 > ;
< a name = "l168" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l169" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l170" > < / a > < / span > < span class = cF6 > " \nFailed to bind socket.\n" < / span > < span class = cF0 > ;
< a name = "l171" > < / a > ChatServerKill;
< a name = "l172" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ;
< a name = "l173" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l174" > < / a >
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< a name = "l175" > < / a > < / span > < span class = cF6 > " \nTrying to listen on socket.\n" < / span > < span class = cF0 > ;
< a name = "l176" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (TCPSocketListen< / span > < span class = cF7 > (< / span > < span class = cF0 > tcp, < / span > < span class = cFE > 5< / span > < span class = cF7 > )< / span > < span class = cF0 > == < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l177" > < / a > < / span > < span class = cF6 > " \nSocket now listening.\n" < / span > < span class = cF0 > ;
< a name = "l178" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l179" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l180" > < / a > < / span > < span class = cF6 > " \nFailed to listen on socket.\n" < / span > < span class = cF0 > ;
< a name = "l181" > < / a > ChatServerKill;
< a name = "l182" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ;
< a name = "l183" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l184" > < / a >
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< a name = "l185" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (< / span > < span class = cF5 > CharScan< / span > < span class = cF0 > != < / span > < span class = cF3 > CH_SHIFT_ESC< / span > < span class = cF0 > )
< a name = "l186" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l187" > < / a > new_socket = TCPSocketAccept(tcp);
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< a name = "l188" > < / a >
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< a name = "l189" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (new_socket > < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l190" > < / a > {
< a name = "l191" > < / a > < / span > < span class = cF6 > " \nNew connection.\n" < / span > < span class = cF0 > ;
< a name = "l192" > < / a > new_conn = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CTCPTreeQueue< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l193" > < / a > new_conn-> socket = new_socket;
< a name = "l194" > < / a > new_socket-> timeout = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; < / span > < span class = cF2 > // Set new connection non-blocking.< / span > < span class = cF0 >
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< a name = "l195" > < / a >
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< a name = "l196" > < / a > join_msg = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " $BG,LTGRAY$$DKGRAY$Connected clients: %d$FG$$BG$" < / span > < span class = cF0 > , < / span > < span class = cF5 > QueueCount< / span > < span class = cF7 > (< / span > < span class = cF0 > connections< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cFE > 1< / span > < span class = cF0 > );
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< a name = "l197" > < / a >
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< a name = "l198" > < / a > TCPSocketSendString(new_socket, join_msg);
< a name = "l199" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (join_msg);
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< a name = "l200" > < / a >
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< a name = "l201" > < / a > join_msg = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " $BG,LTGRAY$$DKGRAY$New connection. Connected clients: %d$FG$$BG$" < / span > < span class = cF0 > ,
< a name = "l202" > < / a > < / span > < span class = cF5 > QueueCount< / span > < span class = cF7 > (< / span > < span class = cF0 > connections< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cFE > 1< / span > < span class = cF0 > );
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< a name = "l203" > < / a >
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< a name = "l204" > < / a > conn = connections-> next;
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< a name = "l205" > < / a >
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< a name = "l206" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (conn != connections)
< a name = "l207" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l208" > < / a > < / span > < span class = cF6 > " \nNotifying clients of new connection.\n" < / span > < span class = cF0 > ;
< a name = "l209" > < / a > conn_socket = conn-> socket;
< a name = "l210" > < / a > TCPSocketSendString(conn_socket, join_msg);
< a name = "l211" > < / a > conn = conn-> next;
< a name = "l212" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l213" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (join_msg);
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< a name = "l214" > < / a >
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< a name = "l215" > < / a > < / span > < span class = cF5 > QueueInsertRev< / span > < span class = cF0 > (new_conn, connections);
< a name = "l216" > < / a > }
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< a name = "l217" > < / a >
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< a name = "l218" > < / a > ChatServerReceive; < / span > < span class = cF2 > // Receive & Broadcast< / span > < span class = cF0 >
< a name = "l219" > < / a > < / span > < span class = cF5 > Sleep< / span > < span class = cF0 > (< / span > < span class = cFE > 50< / span > < span class = cF0 > );
< a name = "l220" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l221" > < / a >
< a name = "l222" > < / a >
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< a name = "l223" > < / a > ChatServerKill;
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< a name = "l224" > < / a > }
< a name = "l225" > < / a >
< a name = "l226" > < / a > ChatServer;< / span > < / pre > < / body >
< / html >
