NDT-DEV email list created

Revision: 694
Author:   

Date:     Thu Oct  6 03:05:48 2011
Log:      Extended descriptions of the web100 support and pcap support  
subsystems.
http://code.google.com/p/ndt/source/detail?r=694

Modified:
 /wiki/NDTArchitecture.wiki

=======================================
--- /wiki/NDTArchitecture.wiki  Thu Oct  6 02:41:19 2011
+++ /wiki/NDTArchitecture.wiki  Thu Oct  6 03:05:48 2011
@@ -66,8 +66,8 @@
 || network || web100srv<br/>web100clt || Subsystem that is responsible for  
all network operations. || {{{I2Addr CreateListenSocket(I2Addr addr, char*  
serv, int options, int buf_size)}}}<br/>{{{int CreateConnectSocket(int*  
sockfd, I2Addr local_addr, I2Addr server_addr, int option, int  
buf_sizes)}}}<br/>{{{int send_msg(int ctlSocket, int type, void* msg, int  
len)}}}<br/>{{{int recv_msg(int ctlSocket, int* type, void* msg, int*  
len)}}}<br/>{{{int writen(int fd, void* buf, int amount)}}}<br/>{{{int  
readn(int fd, void* buf, int amount)}}} || {{{network.c network.h}}} ||
 || protocol || web100srv<br/>web100clt || Functions to support  
[NDTProtocol NDT Protocol]. || {{{int check_msg_type(char* prefix, int  
expected, int received, char* buff, int len)}}} || {{{protocol.c  
protocol.h}}} ||
 || utils || web100srv<br/>web100clt || Functions to handle numbers sanity  
checks and some other utility things. || {{{int check_int(char* text, int*  
number)}}}<br/>{{{int check_rint(char* text, int* number, int minVal, int  
maxVal)}}}<br/>{{{int check_long(char* text, long* number)}}}<br/>{{{double  
secs()}}}<br/>{{{void err_sys(char* s)}}}<br/>{{{int sndq_len(int  
fd)}}}<br/>{{{void mysleep(double time)}}} || utils.c utils.h ||
-|| Web100 support || web100srv || Functions needed to read the Web100  
variables. || {{{web100_get_data_recv(int sock, web100_agent* agent,  
web100_connection* cn, int  
count_vars)}}}<br/>{{{web100_get_data(web100_snapshot* snap, int ctlsock,  
web100_agent* agent, int count_vars)}}} || {{{web100-util.c web100srv.h}}} | 
|
-|| pcap support || web100srv || Functions that use pcap library in the  
bottleneck detection algorithm. || {{{print_speed(u_char *user, const  
struct pcap_pkthdr *h, const u_char *p)}}}<br/>{{{void calculate_spd(struct  
spdpair *cur, struct spdpair *cur2, int portA, int portB)}}} ||  
{{{web100-pcap.c web100srv.h}}} ||
+|| Web100 support || web100srv || Functions needed to read the Web100  
variables. || {{{void }}}*get_iflist*{{{(void)}}}<br/>{{{int  
}}}*web100_init*{{{(char *VarFileName)}}}<br/>{{{int  
}}}*web100_autotune*{{{(int sock, web100_agent* agent, web100_connection*  
cn)}}}<br/>{{{void }}}*web100_middlebox*{{{(int sock, web100_agent* agent,  
web100_connection* cn, char *results)}}}<br/>{{{int  
}}}*web100_setbuff*{{{(int sock, web100_agent* agent, web100_connection*  
cn, int autotune)}}}<br/>{{{void }}}*web100_get_data_recv*{{{(int sock,  
web100_agent* agent, web100_connection* cn, int count_vars)}}}<br/>{{{int  
}}}*web100_get_data*{{{(web100_snapshot* snap, int ctlsock, web100_agent*  
agent, int count_vars)}}}<br/>{{{int }}}*!CwndDecrease*{{{(web100_agent*  
agent, char* logname, int *dec_cnt, int *same_cnt, int  
*inc_cnt)}}}<br/>{{{int }}}*web100_logvars*{{{(int *Timeouts, int *SumRTT,  
int *CountRTT, int *PktsRetrans, int *FastRetran, int *DataPktsOut, int  
*AckPktsOut, int *CurrentMSS, int *DupAcksIn, int *AckPktsIn, int  
*MaxRwinRcvd, int *Sndbuf, int *CurrentCwnd, int *SndLimTimeRwin, int  
*SndLimTimeCwnd, int *SndLimTimeSender, int *DataBytesOut, int  
*SndLimTransRwin, int *SndLimTransCwnd, int *SndLimTransSender, int  
*MaxSsthresh, int *CurrentRTO, int *CurrentRwinRcvd, int *MaxCwnd, int  
*CongestionSignals, int *PktsOut, int *MinRTT, int count_vars, int  
*RcvWinScale, int *SndWinScale, int *CongAvoid, int *CongestionOverCount,  
int *MaxRTT, int *OtherReductions, int *CurTimeoutCount, int  
*AbruptTimeouts, int *SendStall, int *SlowStart, int *SubsequentTimeouts,  
int *ThruBytesAcked)}}} || {{{web100-util.c web100srv.h}}} ||
+|| pcap support || web100srv || Functions that use pcap library in the  
bottleneck detection algorithm. || {{{void }}}*init_vars*{{{(struct spdpair  
*cur)}}}<br/>{{{void }}}*print_bins*{{{(struct spdpair *cur, int  
monitor_pipe[2])}}}<br/>{{{void }}}*calculate_spd*{{{(struct spdpair *cur,  
struct spdpair *cur2, int port2, int port3)}}}<br/>{{{void  
}}}*init_pkttrace*{{{(I2Addr srcAddr, struct sockaddr *sock_addr, socklen_t  
saddrlen, int monitor_pipe[2], char *device, PortPair* pair, char *  
direction, int compress)}}}<br/>{{{int }}}*check_signal_flags*{{{()}}} ||  
{{{web100-pcap.c web100srv.h}}} ||
 || admin page || web100srv || Functions needed to handle the Admin page,  
which allows a remote user to view the usage statistics via a web page. ||  
{{{void }}}*view_init*{{{(int refresh)}}}<br/>{{{int }}}*calculate*{{{(char  
now[32], int SumRTT, int CountRTT, int CongestionSignals, int PktsOut, int  
DupAcksIn, int AckPktsIn, int CurrentMSS, int SndLimTimeRwin, int  
SndLimTimeCwnd, int SndLimTimeSender, int MaxRwinRcvd, int CurrentCwnd, int  
Sndbuf, int DataBytesOut, int mismatch, int bad_cable, int c2sspd, int  
s2cspd, int c2sdata, int s2cack, int view_flag)}}}<br/>{{{void  
}}}*gen_html*{{{(int c2sspd, int s2cspd, int MinRTT, int PktsRetrans, int  
Timeouts, int Sndbuf, int MaxRwinRcvd, int CurrentCwnd, int mismatch, int  
bad_cable, int totalcnt, int refresh)}}} || {{{web100-admin.c  
web100-admin.h}}} ||
 || mrange || web100srv || Functions to handle port number ranges. This  
means that the numbers generated by these methods are always between 1 and  
65535 inclusive. || {{{int }}}*mrange_parse*{{{(char* text)}}}<br/>{{{char*  
}}}*mrange_next*{{{(char* port)}}} || {{{mrange.c mrange.h}}} ||
 || || || || || ||