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# 1. Introduction:
This document will help to configure the stack module and protocol routing module,
and run sample app with DMM.
# 2. Configuration files:
There are two configuration files need to modify for setting up the
topology.
release/configure
**module_config.json** is the stack module config file.
**rd_config.json** is the rd config file.
Copy the two json files to release/bin and configure in next step.
<!-- -->
# 3. JSON files configuration.
We need to setup configuration as given below.
# 3.1 module_config.json for example:
```
{
"default_stack_name": "kernel", /*when rd can't be find maybe
choose the defualt one*/
"module_list": [
{
"stack_name": "kernel",
"function_name": "kernel_stack_register",
"libname": "", /*library name, if loadtype is static, this maybe
null, else must give a library name*/
"loadtype": "static", /*library load type: static or dynamic*/
"deploytype": "1",
"maxfd": "1024",
"minfd": "0",
"priorty": "1",
"stackid": "0", /*must be ordered and not be repeated*/
}
]
}
```
# 3.2 rd_config.json for example:
```
{
"ip_route": [
{
"subnet": "192.165.1.1/16",
"type": "nstack-kernel",
/* output interface type,
nstack-kernel: indicate this ip should go through kernel protocol
nstack-dpdk: go through stackx protocol*/
},
{
"subnet": "172.16.25.125/16",
"type": "nstack-kernel",
}
],
"prot_route": [
{
"proto_type": "11",
"type": "nstack-kernel",
},
]
}
```
# 4. Run sample APP:
- **perf-test:**
Add test code with kernel stack or userspace protocol stack
Usage:
After building the DMM, inside the DMM/release directory below perf-test app will be generated.
*kc_common, ks_epoll, ks_select, vc_common, vs_epoll, vs_select*
The use of ks_epoll,ks_select,vs_epoll and vs_select are the same.
Examples:
**With Kernel stack:**
server:
```
#./ks_epoll -p 20000 -d 172.16.25.125 -a 10000 -s 172.16.25.126 -l 200 -t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1
```
client:
```
#./kc_common -p 20000 -d 172.16.25.126 -a 10000 -s 172.16.25.125 -l 200 -t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1
```
**With DMM nStack:**
server:
```
#./vs_epoll -p 20000 -d 172.16.25.125 -a 10000 -s 172.16.25.126 -l 200 -t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1
```
client:
```
#./vc_common -p 20000 -d 172.16.25.126 -a 10000 -s 172.16.25.125 -l 200 -t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1
```
- **NGNIX with DMM nStack**:
Nginx build process:
*step 1: Compile nginx code*
```
#wget "http://hg.nginx.org/nginx"
#cd nginx-1.1.15
#./configure --with-ld-opt="-L /root/Work/xxx/release/lib64/ -lnStackAPI"
#make
#make install
```
Note:
a. ./configure **--with-ld-opt="-L /root/xxx/DMM/release/lib64/ -lnStackAPI"** can be done if you want to use nStack otherwise just give the ./configure.
b. Make sure before building edit the configurtaion if you want specific server IP.
For Ex:
Server: ifconfig eth3 172.16.25.125 netmask 255.255.255.224 up
Client: ifconfig eth3 172.16.25.126 netmask 255.255.255.224 up
nginx.conf file modifiecations:
listen 172.16.25.125:80
*step 2: run the nginx code*
```
#cd /usr/local/nginx/sbin
#cp -r * ../../sbin
#cd ../../sbin
#./nginx
```
Note:
if you want to run ./nginx with nStack then perform following before run
a. export LD_LIBRARY_PATH=/root/xxx/DMM/release/lib64/
b. export NSTACK_LOG_ON=DBG ##to display nStack consol logs.
*step 3: Check whether ngnix service is running.*
```
#ps -ax | grep nginx
```
*step 4: Test the nginx server is up or not!*
At client board, perform below command and check the output:
```
#curl http://172.16.25.125:80/
```
Note:
curl is the tool need to be installed to browse the html page in linux without GUI.
|
