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main.c
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main.c
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/*
* Copyright 2013 Mo McRoberts.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "p_spool.h"
static int should_terminate = 0;
const char *short_program_name = "spoold";
/* spoold runs continually, collecting jobs from one or more sources, and
* then:--
*
* 1. Locate and load metadata associated with the asset. It might be inbound,
* or it might be contained within a sidecar. At a minimum, there must be
* a combination of 'kind' and 'key'.
*
* 2. Assign a UUID (possibly updating a database along the way)
*
* 3. Submit the job for processing by recipes which operate on the asset's
* type.
*/
int
main(int argc, char **argv)
{
JOB *job;
int r;
(void) argc;
(void) argv;
r = config_init();
if(r < 0)
{
fprintf(stderr, "%s: failed to intialise configuration: %s\n", short_program_name, strerror(errno));
exit(EXIT_FAILURE);
}
/* Process arguments */
r = config_load();
if(r < 0)
{
fprintf(stderr, "%s: failed to load configuration: %s\n", short_program_name, strerror(errno));
exit(EXIT_FAILURE);
}
r = plugin_load();
if(r < 0)
{
fprintf(stderr, "%s: failed to initialise handlers: %s\n", short_program_name, strerror(errno));
exit(EXIT_FAILURE);
}
while(!should_terminate)
{
job = job_collect_wait();
if(!job)
{
fprintf(stderr, "%s: unexpected error while waiting for a job: %s\n", short_program_name, strerror(errno));
exit(EXIT_FAILURE);
}
r = meta_locate(job);
if(r < 0)
{
fprintf(stderr, "%s: %s: failed to locate metadata for job\n", short_program_name, job->name);
job_abort(job);
continue;
}
r = id_assign(job);
if(r < 0)
{
fprintf(stderr, "%s: %s: failed to assign identifier for job\n", short_program_name, job->name);
job_abort(job);
continue;
}
r = process_job(job);
if(r < 0)
{
fprintf(stderr, "%s: %s: failed to submit job for processing\n", short_program_name, job->name);
job_abort(job);
continue;
}
job_submitted(job);
}
return 0;
}