[pgpool-committers: 2761] pgpool: Adding a new configuration parameter "wd_ipc_socket_dir" to con

[Muhammad Usama]

Adding a new configuration parameter "wd_ipc_socket_dir" to configure the path of
watchdog IPC command socket file. Also integrating the wd_authkey mechanism to ensure
watchdog node authenticity.
The commit also contains few debuging code witch will eventually be removed after testing.

Branch
------
watchdog_enhancement

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=ca53b9537538ec31dead3c58757ea8b73847483d

Modified Files
--------------
src/config/pool_config.c                   |   23 ++-
src/config/pool_config.l                   |   23 ++-
src/include/pool.h                         |    3 +
src/include/pool_config.h                  |    1 +
src/include/watchdog/wd_json_data.h        |    4 +-
src/include/watchdog/wd_utils.h            |    3 +-
src/sample/pgpool.conf.sample              |    9 +-
src/sample/pgpool.conf.sample-master-slave |    6 +
src/sample/pgpool.conf.sample-replication  |    7 +
src/sample/pgpool.conf.sample-stream       |    7 +
src/utils/pool_process_reporting.c         |    5 +
src/watchdog/watchdog.c                    |  214 +++++++++++++++++++++-------
src/watchdog/wd_commands.c                 |    9 +-
src/watchdog/wd_heartbeat.c                |    1 -
src/watchdog/wd_json_data.c                |   16 ++-
15 files changed, 266 insertions(+), 65 deletions(-)