questions about darlin

Hi muli
I have read part of the code of darlin，I can`t find the implementation of api "void run" in darlin for server and worker, it seems that only scheduler run is used?

the running long also shows:
I0303 14:07:51.796239 16734 postoffice.cc:104] Scheduler has connected 2 servers and 2 workers
I0303 14:07:51.798970 16734 darlin.h:35] Train l_1 logistic regression by block coordinate descent
I0303 14:07:51.799216 16734 postmaster.cc:9] Found 8 files
I0303 14:07:51.799244 16734 postmaster.cc:13] Assign 8 files to 2 workers
I0303 14:07:51.803696 16734 bcd.h:53] Loaded 223836 examples in 0.004 sec
I0303 14:07:53.559219 16734 bcd.h:71] Preprocessing is finished in 1.755 sec
I0303 14:07:53.559294 16734 bcd.h:73] Features with frequency <= 4 are filtered
I0303 14:07:53.559429 16734 bcd.h:98] Features are partitioned into 449 blocks
I0303 14:07:53.559465 16734 bcd.h:120] Prior feature groups: 127, 120
I0303 14:07:53.559478 16734 darlin.h:43] Maximal allowed delay: 8
| training | sparsity | KKT filter | time (sec.)
iter | objective relative | |w|_0 | threshold #activet |(app:min max) total
----+------------------------+-----------+---------------------+-----------------
0 | 1.45414e+05 1.000e+00 | 3601 | 1.0e+20 12754852 | 0.3 0.3 1.1
1 | 1.44370e+05 7.226e-03 | 2916 | 2.9e-01 4162 | 0.3 0.3 1.1
2 | 1.44197e+05 1.203e-03 | 2689 | 1.9e-03 3101 | 0.1 0.1 0.7
3 | 1.44015e+05 1.264e-03 | 2493 | 6.1e-03 2763 | 0.1 0.1 0.7
4 | 1.43952e+05 4.340e-04 | 2382 | 1.0e-03 2529 | 0.1 0.1 0.7
5 | 1.43933e+05 1.366e-04 | 2325 | 5.3e-04 2407 | 0.1 0.1 0.7
6 | 1.43921e+05 7.836e-05 | 2291 | 1.1e-04 2337 | 0.1 0.1 0.7
7 | 1.43916e+05 3.719e-05 | 2276 | 7.8e-04 2299 | 0.1 0.1 0.7
8 | 1.43912e+05 3.138e-05 | 2261 | 1.9e-04 2282 | 0.1 0.1 0.7
9 | 1.43908e+05 2.278e-05 | 2260 | 2.8e-05 2271 | 0.1 0.1 0.7
10 | 1.43906e+05 1.575e-05 | 2248 | 1.5e-03 2263 | 0.1 0.1 0.7
11 | 1.43904e+05 1.541e-05 | 2240 | 1.2e-05 12754840 | 0.3 0.3 1.1

in the log， I also can not find the logs relevant to worker and server