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Implementation of shared buffer level in the gwbuf so that one set of data can be kept with

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different offsets for different gwbufs

Updated monitor to better handle maste/slave replication environments

Split MASTER and SERVER bits in the erver bitmask so that we canhave more states, MASTER, SLAVE and NOT IN REPLICATION

Updates to the read write splitter for routing commands to all nodes, diagnostic output and fixes to the algorithm to pick up a master and slave connection
This commit is contained in:
Mark Riddoch
2013-07-11 18:37:43 +02:00
parent aea8af08ba
commit 619af90696
9 changed files with 243 additions and 135 deletions
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5
include/server.h
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@ -68,6 +68,7 @@ typedef struct server {
*/
#define SERVER_RUNNING 0x0001 /**<< The server is up and running */
#define SERVER_MASTER 0x0002 /**<< The server is a master, i.e. can handle writes */
#define SERVER_SLAVE 0x0004 /**<< The server is a slave, i.e. can handle reads */
/**
* Is the server running - the macro returns true if the server is marked as running
@ -84,13 +85,13 @@ typedef struct server {
* in order for the macro to return true
*/
#define SERVER_IS_MASTER(server) \
(((server)->status & (SERVER_RUNNING|SERVER_MASTER)) == (SERVER_RUNNING|SERVER_MASTER))
(((server)->status & (SERVER_RUNNING|SERVER_MASTER|SERVER_SLAVE)) == (SERVER_RUNNING|SERVER_MASTER))
/**
* Is the server a slave? The server must be both running and marked as a slave
* in order for the macro to return true
*/
#define SERVER_IS_SLAVE(server) \
(((server)->status & (SERVER_RUNNING|SERVER_MASTER)) == SERVER_RUNNING)
(((server)->status & (SERVER_RUNNING|SERVER_MASTER|SERVER_SLAVE)) == (SERVER_RUNNING|SERVER_SLAVE))
extern SERVER *server_alloc(char *, char *, unsigned short);