[erlang-questions] Use Erlang AMQP client library

[YuanZhiqian]

Thanks Alexey:), I'll have a try tomorrow. However there seems a lot of compilation errors when building rabbitmq from code, do you have a clue?

发自我的 iPhone

> 在 2015年12月17日，01:06，Alexey Lebedeff <binarin@REDACTED> 写道：
> 
> Hi,
> 
> If you are using erlang.mk or rebar3 as build tool, you could just add amqp_client to your dependencies, and everything will start working automagically. 
> 
> If for some legacy reasons you are using rebar2, then you could use rebar-friendly fork of client at https://github.com/jbrisbin/amqp_client
> 
> 
> Best,
> Alexey
> 
> 2015-12-16 18:09 GMT+03:00 YuanZhiqian <on-your-mark@REDACTED>:
>> Hi guys,
>> 
>>   I have a frustrating time tonight trying to use rabbitmq library for erlang in my project. There're two ways provided by the official sites: .ez archive file as well as in source code. https://www.rabbitmq.com/erlang-client.html
>> 
>>   I wonder which one I should choose. I prefer to use the source code because in erlang's documentation page, it is said the loading code from archive file is an experimental feature and is not recommend, http://www.erlang.org/doc/man/code.html, besides, I'm not very sure how to use a .ez archive file.
>> 
>>   On the other hand, the source code won't compile through, I searched in google and people says that it is not wise to compile source code by one's own to use rabbitmq at present, because of some tricky problem. 
>> 
>>   I have tried using rebar and make to build the source code, but both failed with complaints as folllows:
>> 
>> 
>> $ rebar compile
>> ==> amqp_client-3.5.7-src (compile)
>> include/amqp_client.hrl:20: can't find include lib "rabbit_common/include/rabbit.hrl"
>> include/amqp_client.hrl:21: can't find include lib "rabbit_common/include/rabbit_framing.hrl"
>> src/amqp_gen_connection.erl:313: undefined macro 'INTERNAL_ERROR'
>> include/amqp_client.hrl:23: record 'P_basic' undefined
>> src/amqp_gen_connection.erl:174: record amqp_error undefined
>> src/amqp_gen_connection.erl:176: record amqp_error undefined
>> src/amqp_gen_connection.erl:212: function internal_error/3 undefined
>> src/amqp_gen_connection.erl:215: record 'connection.close' undefined
>> src/amqp_gen_connection.erl:266: record 'connection.close' undefined
>> src/amqp_gen_connection.erl:273: record 'connection.close' undefined
>> src/amqp_gen_connection.erl:275: record 'connection.close_ok' undefined
>> src/amqp_gen_connection.erl:280: record 'connection.blocked' undefined
>> src/amqp_gen_connection.erl:285: record 'connection.unblocked' undefined
>> src/amqp_gen_connection.erl:291: record amqp_error undefined
>> src/amqp_gen_connection.erl:352: record 'connection.close' undefined
>> src/amqp_gen_connection.erl:355: record 'connection.close' undefined
>> src/amqp_gen_connection.erl:357: variable 'Code' is unbound
>> src/amqp_gen_connection.erl:357: variable 'Text' is unbound
>> src/amqp_gen_connection.erl:368: record 'connection.close_ok' undefined
>> src/amqp_gen_connection.erl:290: Warning: variable 'Other' is unused
>> 
>> 
>> 
>> $ make
>> rm -f deps.mk
>> echo src/amqp_auth_mechanisms.erl:src/amqp_channel.erl:src/amqp_channels_manager.erl:src/amqp_channel_sup.erl:src/amqp_channel_sup_sup.erl:src/amqp_client.erl:src/amqp_connection.erl:src/amqp_connection_sup.erl:src/amqp_connection_type_sup.erl:src/amqp_direct_connection.erl:src/amqp_direct_consumer.erl:src/amqp_gen_connection.erl:src/amqp_gen_consumer.erl:src/amqp_main_reader.erl:src/amqp_network_connection.erl:src/amqp_rpc_client.erl:src/amqp_rpc_server.erl:src/amqp_selective_consumer.erl:src/amqp_sup.erl:src/amqp_uri.erl:src/rabbit_routing_util.erl:src/uri_parser.erl:include/amqp_client.hrl:include/amqp_client_internal.hrl:include/amqp_gen_consumer_spec.hrl:include/rabbit_routing_prefixes.hrl: | escript ../rabbitmq-server/generate_deps deps.mk ebin
>> escript: Failed to open file: ../rabbitmq-server/generate_deps
>> make: *** No rule to make target `deps.mk', needed by `ebin/amqp_auth_mechanisms.beam'.  Stop.
>> 
>> 
>> 
>> Besides, in the README file, the instruction tells me to do like this:
>> 
>> 
>>  $ git clone https://github.com/rabbitmq/rabbitmq-codegen.git
>>  $ git clone https://github.com/rabbitmq/rabbitmq-server.git
>>  $ git clone https://github.com/rabbitmq/rabbitmq-erlang-client.git
>>  $ cd rabbitmq-erlang-client
>>  $ make
>> 
>>   Well, it won't compile too! And I am even more confused why I need to clone the rabbit erlang client again in this case, since the README file itself is already in the client's source code directory.
>> 
>> 
>> To make a conclusion, my trouble here is:
>> 
>> 1. Should I use .ez archive file or source code?
>> 2. How to use .ez archive file, is it safe?
>> 3. How should I deal with the compile errors?
>> 4. Why do I need to clone another client's source code as told by the README file?
>> 
>> I am used to put a library in "deps" folder in my project and rebar would build them altogether for me, I think that's a preferable choice, quite clear in terms of project's folder layout at least. 
>> 
>> 
>>   Any advice is appreciated :)
>> 
>> Best regards
>> Zhiqian
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>>   
>> 
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