linux - Two TCP client application with virtual interface ip -

-

here requirement.

2 tcp client connection/emulation single eth port

i created 2 virtual interface. 

 ifconfig eth1:0 10.0.0.2  ifconfig eth1:1 10.0.0.3

is possible create tcp client code such particular interface used tcp client establishment.

for example

./client_app eth1:0 - -- client ip 10.0.0.2

./client_app eth1:1 -- client ip 10.0.0.3

to enumerate local interfaces , ip address associated these interfaces use system call getifaddrs().

then use bind() system call bind local side of connection local interface's ip-address.


Comments

Post a Comment

Popular posts from this blog

c - Calling a function within a loop -

-
i trying simple addition function take number x array , add variable i it, iteration variable inside loop. instead of adding each variable individually , producing output of : 3, 2, 7 it produces values of 3, 5, 13. #include <stdio.h> int add(int x[], int y); int main(void) { int i; int a[3] = {3, 1, 5}; for(i=0; i<3; i++) { printf("%d \t", i); printf("%d, %d, equals %d \n", a[i], i, add(a[i], i)); } return 0; } int add(int x[], int y){ return x+y; } try int add(int x, int y){ return x+y; }
Read more

vb.net - Unbound DataGridView add row with checkbox error -

-
this windows forms program. have unbound datagridview control 4 columns; feature id string, parts string, flats string , showonest boolean. columns defined in form designer , boolean column is, indeed, set checkbox tristate set false. the user selects product list box , code executed populate grid grdfeat.rows.clear() = 0 curproduct.lstfeatures.count - 1 (curproduct.lstfeatures(i)) grdfeat.rows.add(.featureid, .parts, .flats, .showonest) end next if allowusertoaddrows false, everthing good. setting allowusertoaddrows true, however, results in following error: formatexception value '' cannot converted type 'boolean'. the error not triggered in code. it's displayed in new tab titled "no source available". it seems pretty clear process adds new editing row trying set checkbox string value, or perhaps null. i'm new (a few months) vb.net, suspect i'm overlooking simple setting somewhere, after several hours of trying...
Read more

How i fill combobox items in Radgridview manually using in vb.net -

-
how fill combobox items in radgridview manually without using datasource in vb.net have radgridview in form.(radgridview1) radgridview1 contained 3 column , column number 3 combobox type. want fill each combobox in column 3 data using code: unp ipe angle box other profile. don't know how it. you can use gridtemplatecolumn following. <telerik:gridtemplatecolumn itemstyle-wrap="true" itemstyle-verticalalign="middle" itemstyle-horizontalalign="center" allowfiltering="false" headerstyle-horizontalalign="center" headerstyle-width="3%" itemstyle-width="3%" headertext="profile"> <itemtemplate> <telerik:radcombobox> <items> <telerik:radcomboboxitem text="unp" value="unp" /> ...
Read more