[OE-core] [Documentation][PATCH] Server comm: try connecting 4 times before giving up

[Lucas Dutra Nunes]

Instead of trying one time with a timeout of 20 seconds try 4 times with
a timeout of 5 seconds, to account for a slow server start.

Signed-off-by: Lucas Dutra Nunes <ldnunes at ossystems.com.br>
---
 bitbake/lib/bb/server/process.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 1e2b824..e387b30 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -53,10 +53,12 @@ class ServerCommunicator():
         while True:
             # don't let the user ctrl-c while we're waiting for a response
             try:
-                if self.connection.poll(20):
-                    return self.connection.recv()
-                else:
-                    bb.fatal("Timeout while attempting to communicate with bitbake server")
+                for idx in range(0,4): # 0, 1, 2, 3
+                    if self.connection.poll(5):
+                        return self.connection.recv()
+                    else:
+                        bb.warn("Timeout while attempting to communicate with bitbake server")
+                bb.fatal("Gave up; Too many tries: timeout while attempting to communicate with bitbake server")
             except KeyboardInterrupt:
                 pass
 
-- 
2.1.4