Solid_queue is a queue with persistent disk storage written in C. It uses eblob library as backend and provides push/pull interface. Queue has finite size and if more data come to queue the oldest one will be pushed out from queue.

queue_param_t queue_param;
queue_param.eblob_param.blob_size_limit = 1500000000;
queue_param.eblob_param.blob_size = 200000000;
queue_param.eblob_param.records_in_blob = queue_param.eblob_param.blob_size/14000;
queue_param.eblob_param.sync = 5;
queue_param.eblob_param.defrag_timeout = 12;
queue_param.eblob_param.defrag_percentage = 25;
queue_param.eblob_param.blob_flags = EBLOB_TIMED_DATASORT;
queue_param.eblob_param.path = argv[++arg_index];
queue_param.time_to_wait = 5;
queue_param.max_queue_length = 20000;

if(!(queue = queue_open(queue_param)))
{
	exit(1);
}

uint64_t len = 0; // size of data from queue - will be set
void *data; // data pulled from queue
queue_pull(queue, &data, &len)

uint64_t len = 100; // size of data to write
char data[100]; // data to write
bool was_overwrite = false; // if we run out of items free in queue element could be push out
queue_push(queue, data, len, &was_overwrite)

queue_close(param->queue);

1. Preparing

To create debian package you need to install some tools. You can do this using command:

$ sudo apt-get install build-essential dh-make bzr-builddeb

After that prepare a tar.gz archive of the source directory. Archive should be called as -.tar.gz. For example:

$ tar -zcvf solid-queue-1.0.1.tar.gz solid_queue

Package names must consist only of lower case letters (a-z), digits (0-9), plus (+) and minus (-) signs, and periods (.). They must be at least two characters long and must start with an alphanumeric character. Then you should make such command: bzr dh_make .tar.gz. For example:

$ bzr dh-make solid-queue 1.0.1 solid-queue-1.0.1.tar.gz

It asks type of package. Choose "l" for library package.

2. Editing debian directory

$ cd solid-queue/debian

This directory contains configuration files needed for debian packaging. Most of the files it adds are only needed for specialist packages (such as Emacs modules) so you can start by removing the optional example files:

$ rm *ex *EX

3. Build package

After editing configuration files use command:

$ debuild -us -uc

• EBLOB project https://github.com/reverbrain/eblob
• Repository to get binary packages of eblob library for your OS: http://repo.reverbrain.com/