Installing cMsg
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Compiling cMsg 3-0 on Linux local host
When using scons to compile cMsg it will try to install everything under the subdirectory Linux-i686
I created a softlink to "Linux" so the cMsg binaries and libraries would go to the directory which holds my other coda programs
i then did
scons install
scons examples install
under the cMsg-3.0 subdirectory
This compiled and installed libraries and binaries.
I then tested the message sending using the program called "producer"
Producer
producer -h will output a list of commands
My "rcplatform" cMsg server runs on the DAQ computer
bin >rcplatform Warning: COOL_HOME does not have a required srtucture. Auto-create default structure? Y/N y Warning: Can not find clients database file. Warning: Can not find sessions database file. >> **** cMsg server sucessfully started at Fri Jun 11 08:19:53 MDT 2010 **** << ************************************************** * Afecs-1.3 Platform * ************************************************** - Name = your_expt_msql_database_name_goes_here - Host = daq1.physics.isu.edu - TCP port = 45000 - UDP port = 45000 - RC UDP port = 45200 - Start time = 2010/06/11 08:19:54 ************************************************** ************************************************** APlatform:Info Registration request from daq1.physics.isu.edu_admin agent running at daq1.physics.isu.edu * Afecs-1.3 Container * ************************************************** - Name = daq1.physics.isu.edu_admin - Host = daq1.physics.isu.edu - Start time = 2010/06/11 08:19:56 - Connected to: - Platform = daq1.physics.isu.edu - Platform TCP port = 45000 - Platform UDP port = 45000 - Platform RC UDP port = 45200 **************************************************
producer -d -u cMsq:cMsg://daq1.physics.isu.edu:45000/cMsg -delay 1000
consumer -d -p -u cMsg:cMsg://daq1.physics.isu.edu/cMsg
Error messages
1.)
cMsgNodeSame: gethostbyname error cMsgNodeIsLocal: error in cMsgNodeSame CMSG_BAD_FORMAT: one or more arguments in the wrong format cMsgConnect: CMSG_BAD_FORMAT: one or more arguments in the wrong format
add the hostname to the host file
135.50.3.160 gumstix-custom-verdex gumstix
now you can ping gumstix and the above error goes away because the hostname is now associated with the IP address.
2.) setup shared library environment
root@gumstix-custom-verdex:~$ producer -d -u cMsq:cMsg://daq1.physics.isu.edu:/cMsg -delay 1000 producer: error while loading shared libraries: libcmsgRegex.so: cannot open shared object file: No such file or directory root@gumstix-custom-verdex:~$ ls cMsg/ bin lib root@gumstix-custom-verdex:~$ ls cMsg/lib/ libcmsg.so libcmsgRegex.so libcmsgxx.so root@gumstix-custom-verdex:~$ export LD_LIBRARY_PATH ~/cMsg/lib -sh: export: /home/root/cMsg/lib: bad variable name root@gumstix-custom-verdex:~$ export LD_LIBRARY_PATH=~/cMsg/lib root@gumstix-custom-verdex:~$ producer -d -u cMsq:cMsg://daq1.physics.isu.edu:/cMsg -delay 1000 Delay sec = 1, nsec = 0 Running the cMsg producer, "producer" cMsgTcpConnect: connected to server connectDirect: connected to name server talkToNameServer: read subdomain handler attributes talkToNameServer: read port and length of host from server talkToNameServer: port = 17, host len = 33792 talkToNameServer: read host from server talkToNameServer: read failure
Compile Native cMsg (target and compiling host are the same architecture)
cMsg can be downloaded from the CODA ftp site. The cMsg User's Guide contains useful information. Compiling cMsg requires the BMS package, which contains Makefiles.
wget -c 'ftp://ftp.jlab.org/pub/coda/BMS/BMS.tar.gz' tar -xzf BMS.tar.gz wget -c 'ftp://ftp.jlab.org/pub/coda/cMsg/cMsg-3.0.tar.gz' tar -xzf cMsg-3.0.tar.gz mv cMsg-3.0 cMsg-3.0_native
Then we define a few variables needed. If you are using CODA, you can define CODA_HOME instead of INSTALL_DIR.
export BMS_HOME=~/code/BMS export INSTALL_DIR=~/cMsg/native
If you want 64-bit compilation, define CODA_USE64BITS. See BMS/Makefile.GNU for details.
export CODA_USE64BITS=1
Using plain make or make all doesn't work. Use make install instead.
make install
You should see the following output at the end:
Installing cmsg executables: /home/brian/cMsg/native/Linux-x86_64-64/bin/consumer /home/brian/cMsg/native/Linux-x86_64-64/bin/dummy /home/brian/cMsg/native/Linux-x86_64-64/bin/getConsumer /home/brian/cMsg/native/Linux-x86_64-64/bin/getResponder /home/brian/cMsg/native/Linux-x86_64-64/bin/monitor /home/brian/cMsg/native/Linux-x86_64-64/bin/producer /home/brian/cMsg/native/Linux-x86_64-64/bin/rcClient /home/brian/cMsg/native/Linux-x86_64-64/bin/shutdowner /home/brian/cMsg/native/Linux-x86_64-64/bin/cMsgStringTest /home/brian/cMsg/native/Linux-x86_64-64/bin/cpptest
Compile Gumstix cMsg
Omitted details can be found above. Extract to a different directory
tar -xzf cMsg-3.0.tar.gz mv cMsg-3.0 cMsg-3.0_arm cd cMsg-3.0_arm
Edit BMS Makefile.GNU from
CC = gcc CXX = g++
to
ifndef CC CC = gcc endif ifndef CXX CXX = g++ endif
Set environment variables. The arm cross-compilers need to be in the path and need to have CODA_USE64BITS defined.
export PATH=$PATH:/home/brian/gumstix/gumstix-oe/tmp/cross/bin export CODA_USE64BITS=1 export CC=arm-angstrom-linux-gnueabi-gcc export CXX=arm-angstrom-linux-gnueabi-g++ export INSTALL_DIR=~/cMsg/arm
Again, only make install works.
make install
Check to make sure the files are the right architecture
file /home/brian/cMsg/arm/Linux-x86_64-64/bin/* /home/brian/cMsg/arm/Linux-x86_64-64/bin/cMsgCommand: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/cMsgMonitor: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/cMsgPayloadTest: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/cMsgReceive: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/cMsgStringTest: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/consumer: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/cpptest: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/dummy: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/getConsumer: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/getResponder: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/monitor: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/producer: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/rcClient: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped /home/brian/cMsg/arm/Linux-x86_64-64/bin/shutdowner: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.14, not stripped