def populateMessage(message):
# Add Fields of varying data types to the Message
value = 1
message.addField(libgmsec_python.CharField("CHAR-FIELD", 'c'))
message.addField(libgmsec_python.BooleanField("BOOL-FIELD-TRUE", True))
message.addField(libgmsec_python.BooleanField("BOOL-FIELD-FALSE", False))
message.addField(libgmsec_python.I8Field("I8-FIELD", value))
message.addField(libgmsec_python.I16Field("I16-FIELD", value))
message.addField(libgmsec_python.I32Field("I32-FIELD", value))
message.addField(libgmsec_python.I64Field("I64-FIELD", value))
message.addField(libgmsec_python.U8Field("U8-FIELD", value))
message.addField(libgmsec_python.U16Field("U16-FIELD", value))
message.addField(libgmsec_python.U32Field("U32-FIELD", value))
message.addField(libgmsec_python.U64Field("U64-FIELD", value))
message.addField(libgmsec_python.StringField("STRING-FIELD", "This is a test"))
message.addField(libgmsec_python.F32Field("F32-FIELD", (1 + 1. / value)))
message.addField(libgmsec_python.F64Field("F64-FIELD", (1 + 1. / value)))
message.addField(libgmsec_python.BinaryField("BIN-FIELD", "JLMNOPQ", 7))
def publishTestMessage(connMgr, subject):
i = 123
# Create a Message object
message = libgmsec_python.Message(subject, libgmsec_python.Message.PUBLISH)
# Add fields to the Message
message.addField("F", False)
message.addField(libgmsec_python.I32Field("I", i))
message.addField(libgmsec_python.U16Field("K", i))
message.addField("S", "This is a test")
message.addField(libgmsec_python.F32Field("D", 1 + 1. / i))
message.addField(libgmsec_python.BinaryField("X", "JLMNOPQ", 7))
# Publish Message
connMgr.publish(message)
# Output the Message's XML string representation by invoking Log macro
libgmsec_python.logInfo("Sent:\n" + message.toXML())
def populateMessage(message, value):
# Note: Since C++ is a strongly-typed language, it is possible to use
# type casting to add Field objects to a Message without having to
# first create a Field object, then add it to the message.
message.addField(libgmsec_python.CharField("CHAR-FIELD", 'c'))
message.addField(libgmsec_python.BooleanField("BOOL-FIELD-TRUE", True))
message.addField(libgmsec_python.BooleanField("BOOL-FIELD-FALSE", False))
message.addField(libgmsec_python.I8Field("I8-FIELD", value % 128))
message.addField(libgmsec_python.I16Field("I16-FIELD", value))
message.addField(libgmsec_python.I32Field("I32-FIELD", value))
message.addField(libgmsec_python.I64Field("I64-FIELD", value))
message.addField(libgmsec_python.U8Field("U8-FIELD", value % 256))
message.addField(libgmsec_python.U16Field("U16-FIELD", value))
message.addField(libgmsec_python.U32Field("U32-FIELD", value))
message.addField(libgmsec_python.U64Field("U64-FIELD", value))
message.addField(
libgmsec_python.StringField("STRING-FIELD", "This is a test"))
message.addField(libgmsec_python.F32Field("F32-FIELD", (1 + 1. / value)))
message.addField(libgmsec_python.F64Field("F64-FIELD", (1 + 1. / value)))
message.addField(libgmsec_python.BinaryField("BIN-FIELD", "JLMNOPQ", 7))
def populateMessage(message, count):
# Note: If a field of the same name is added to an existing message,
# the value passed when calling addField will overwrite the existing
# value.
message.addField("CHAR-FIELD", 'c')
message.addField("BOOL-FIELD-TRUE", True)
message.addField("BOOL-FIELD-FALSE", False)
message.addField(libgmsec_python.I8Field("I8-FIELD", count))
message.addField(libgmsec_python.I16Field("I16-FIELD", count))
message.addField(libgmsec_python.I32Field("I32-FIELD", count))
message.addField(libgmsec_python.I64Field("I64-FIELD", count))
message.addField(libgmsec_python.U8Field("U8-FIELD", count))
message.addField(libgmsec_python.U16Field("U16-FIELD", count))
message.addField(libgmsec_python.U32Field("U32-FIELD", count))
message.addField(libgmsec_python.U64Field("U64-FIELD", count))
message.addField(
libgmsec_python.StringField("STRING-FIELD", "This is a test"))
message.addField(libgmsec_python.F32Field("F32-FIELD", (1 + 1. / count)))
message.addField(libgmsec_python.F64Field("F64-FIELD", (1 + 1. / count)))
message.addField(libgmsec_python.BinaryField("BIN-FIELD", "JLMNOPQ", 7))
def main():
if (len(sys.argv) <= 1):
usageMessage = "usage: " + sys.argv[0] + " mw-id=<middleware ID>"
print usageMessage
return -1
# Load the command-line input into a GMSEC Config object
# A Config object is basically a key-value pair map which is used to
# pass configuration options into objects such as Connections,
# ConnectionManagers, Subscribe and Publish function calls, Messages,
# etc.
config = libgmsec_python.Config()
for arg in sys.argv[1:]:
value = arg.split('=')
config.addValue(value[0], value[1])
# If it was not specified in the command-line arguments, set LOGLEVEL
# to 'INFO' and LOGFILE to 'stdout' to allow the program report output
# on the terminal/command line
initializeLogging(config)
# Print the GMSEC API version number using the GMSEC Logging
# interface
# This is useful for determining which version of the API is
# configured within the environment
libgmsec_python.logInfo(libgmsec_python.ConnectionManager.getAPIVersion())
try:
# Create a ConnectionManager object
connManager = libgmsec_python.ConnectionManager(config)
# Open the connection to the middleware
libgmsec_python.logInfo(
"Opening the connection to the middleware server")
connManager.initialize()
# Output middleware client library version
libgmsec_python.logInfo(connManager.getLibraryVersion())
# Create all of the GMSEC Message header Fields which will
# be used by all GMSEC Messages
# Note: Since these Fields contain variable values which are
# based on the context in which they are used, they cannot be
# automatically populated using MistMessage.
definedFields = libgmsec_python.FieldList()
missionField = libgmsec_python.StringField("MISSION-ID", "MISSION")
# Note: SAT-ID-PHYSICAL is an optional header Field, according
# to the GMSEC ISD.
satIdField = libgmsec_python.StringField("SAT-ID-PHYSICAL",
"SPACECRAFT")
facilityField = libgmsec_python.StringField("FACILITY", "GMSEC Lab")
componentField = libgmsec_python.StringField("COMPONENT",
"mnemonic_message")
definedFields.append(missionField)
definedFields.append(satIdField)
definedFields.append(facilityField)
definedFields.append(componentField)
# Use setStandardFields to define a set of header fields for
# all messages which are created or published on the
# ConnectionManager using the following functions:
# createLogMessage, publishLog, createHeartbeatMessage,
# startHeartbeatService, createResourceMessage,
# publishResourceMessage, or startResourceMessageService
connManager.setStandardFields(definedFields)
# Populate the Mnemonic Sample(s)
mSample = libgmsec_python.MnemonicSample(
"MS1", libgmsec_python.I32Field("MS1", 15))
mSample.setEUValue(libgmsec_python.F32Field("My EU", 15.0))
mSample.setFlags(1)
mSample.setLimit(libgmsec_python.MnemonicSample.RED_HIGH)
# Implicitly set limit enable/disable with setting of limit
mSample.setQuality(True)
mSample.setStalenessStatus(False)
mSample.setTextValue("15")
mnemonic_samples = libgmsec_python.MnemonicSampleList()
mnemonic_samples.append(mSample)
# Add the Mnemonic values to a Mnemonic object
mnemonic = libgmsec_python.Mnemonic("M1", mnemonic_samples)
statusField = libgmsec_python.I16Field("status", 5)
mnemonic.setStatus(statusField)
mnemonic.setUnits("units")
# Build up the Schema ID -- This is used to identify the
# specific type of MVAL message to construct
schemaId = GMSEC_SPEC_VERSION + ".GMSEC.MSG.MVAL"
# Construct an MVAL Message and add the Mnemonic values to it
mvalMessage = libgmsec_python.MnemonicMessage(
MVAL_MESSAGE_SUBJECT, schemaId, connManager.getSpecification())
mvalMessage.addMnemonic(mnemonic)
# Add the header fields to the MVAL message
connManager.addStandardFields(mvalMessage)
libgmsec_python.logInfo("Publishing MVAL message:\n" +
mvalMessage.toXML())
connManager.publish(mvalMessage)
except libgmsec_python.Exception as e:
libgmsec_python.logError(e.what())
return -1
return 0
def main():
if (len(sys.argv) <= 1):
usageMessage = "usage: " + sys.argv[0] + " mw-id=<middleware ID>"
print usageMessage
return -1
# Load the command-line input into a GMSEC Config object
# A Config object is basically a key-value pair map which is used to
# pass configuration options into objects such as Connections,
# ConnectionManagers, Subscribe and Publish function calls, Messages,
# etc.
config = libgmsec_python.Config()
for arg in sys.argv[1:]:
value = arg.split('=')
config.addValue(value[0], value[1])
# If it was not specified in the command-line arguments, set LOGLEVEL
# to 'INFO' and LOGFILE to 'stdout' to allow the program report output
# on the terminal/command line
initializeLogging(config)
# Print the GMSEC API version number using the GMSEC Logging
# interface
# This is useful for determining which version of the API is
# configured within the environment
libgmsec_python.logInfo(libgmsec_python.ConnectionManager.getAPIVersion())
try:
# Create a ConnectionManager object
connManager = libgmsec_python.ConnectionManager(config)
# Open the connection to the middleware
libgmsec_python.logInfo(
"Opening the connection to the middleware server")
connManager.initialize()
# Output middleware client library version
libgmsec_python.logInfo(connManager.getLibraryVersion())
# Create all of the GMSEC Message header Fields which will
# be used by all GMSEC Messages
headerFields = libgmsec_python.FieldList()
versionField = libgmsec_python.F32Field("HEADER-VERSION", 2010.0)
missionField = libgmsec_python.StringField("MISSION-ID", "GMSEC")
facilityField = libgmsec_python.StringField("FACILITY", "GMSEC Lab")
componentField = libgmsec_python.StringField("COMPONENT",
"heartbeat_service")
headerFields.append(versionField)
headerFields.append(missionField)
headerFields.append(facilityField)
headerFields.append(componentField)
# Use setStandardFields to define a set of header fields for
# all messages which are created or published on the
# ConnectionManager using the following functions:
# createLogMessage, publishLog, createHeartbeatMessage,
# startHeartbeatService, createResourceMessage,
# publishResourceMessage, or startResourceMessageService
connManager.setStandardFields(headerFields)
# Create and publish a Resource message using
# createResourceMessage() and publish()
# Note: This is useful for applications which may need to add
# additional Fields to the Resource Messages which are not
# currently added by the GMSEC API
rsrcMsg = connManager.createResourceMessage(RSRC_MESSAGE_SUBJECT)
libgmsec_python.logInfo(
"Publishing the GMSEC C2CX RSRC message which was created using createResourceMessage():\n"
+ rsrcMsg.toXML())
connManager.publish(rsrcMsg)
# Kick off the Resource Service -- This will publish resource
# messages automatically every X seconds, where X is the second
# parameter provided to the startResourceMessageService() function.
# If an interval is not provided, the service will default to
# publishing a message every 60 seconds.
interval_s = 30
libgmsec_python.logInfo(
"Starting the Resource Message service, a message will be published every "
+ str(interval_s) + " seconds")
try:
libgmsec_python.logInfo(
"Publishing C2CX Resource Messages indefinitely, press <enter> to exit the program"
)
connManager.startResourceMessageService(RSRC_MESSAGE_SUBJECT,
interval_s)
# Wait for user input to end the program
except KeyboardInterrupt:
pass
# Stop the Heartbeat Service
connManager.stopResourceMessageService()
# Cleanup
connManager.cleanup()
except libgmsec_python.Exception as e:
libgmsec_python.logError(e.what())
return -1
return 0