mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-16 00:00:02 +01:00
Steffen Vogel
8c8a2c57b7
the number of returned samples is now updated in the passed hook_info::count
72 lines
No EOL
1.4 KiB
C
72 lines
No EOL
1.4 KiB
C
/** Print hook.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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*********************************************************************************/
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/** @addtogroup hooks Hook functions
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* @{
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*/
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#include "hook.h"
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#include "plugin.h"
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#include "sample.h"
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struct print {
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FILE *output;
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const char *uri;
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};
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static int hook_print(struct hook *h, int when, struct hook_info *j)
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{
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struct print *p = (struct print *) h->_vd;
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switch (when) {
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case HOOK_INIT:
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p->output = stdout;
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p->uri = NULL;
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break;
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case HOOK_PATH_START:
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if (p->uri) {
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p->output = fopen(p->uri, "w+");
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if (!p->output)
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error("Failed to open file %s for writing", p->uri);
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}
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break;
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case HOOK_PATH_STOP:
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if (p->uri)
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fclose(p->output);
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break;
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case HOOK_PARSE:
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config_setting_lookup_string(h->cfg, "output", &p->uri);
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break;
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case HOOK_READ:
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assert(j->samples);
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for (int i = 0; i < j->count; i++)
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sample_fprint(p->output, j->samples[i], SAMPLE_ALL);
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break;
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}
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return 0;
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}
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static struct plugin p = {
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.name = "print",
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.description = "Print the message to stdout",
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.type = PLUGIN_TYPE_HOOK,
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.hook = {
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.priority = 99,
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.size = sizeof(struct print),
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.cb = hook_print,
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.when = HOOK_STORAGE | HOOK_PARSE | HOOK_READ | HOOK_PATH
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}
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};
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REGISTER_PLUGIN(&p)
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/** @} */ |