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Feature: Support limiting dumpfiles by size and time

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This adds two new mount options:
* <dump-file-time-limit />
* <dump-file-size-limit />

Closes: #2173
This commit is contained in:
Philipp Schafft 2022-03-22 15:33:11 +00:00
parent 801b315d1d
commit 054d45bf3b
4 changed files with 41 additions and 0 deletions
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12
src/cfgfile.c
View File

@ -1737,6 +1737,14 @@ static void _parse_mount(xmlDocPtr doc,
} else if (xmlStrcmp(node->name, XMLSTR("dump-file")) == 0) {
mount->dumpfile = (char *)xmlNodeListGetString(doc,
node->xmlChildrenNode, 1);
} else if (xmlStrcmp(node->name, XMLSTR("dump-file-size-limit")) == 0) {
unsigned int val = mount->dumpfile_size_limit;
__read_unsigned_int(configuration, doc, node, &val, 0, UINT_MAX);
mount->dumpfile_size_limit = val;
} else if (xmlStrcmp(node->name, XMLSTR("dump-file-time-limit")) == 0) {
unsigned int val = mount->dumpfile_time_limit;
__read_unsigned_int(configuration, doc, node, &val, 0, UINT_MAX);
mount->dumpfile_time_limit = val;
} else if (xmlStrcmp(node->name, XMLSTR("intro")) == 0) {
mount->intro_filename = (char *)xmlNodeListGetString(doc,
node->xmlChildrenNode, 1);
@ -2989,6 +2997,10 @@ static void merge_mounts(mount_proxy * dst, mount_proxy * src)
if (!dst->dumpfile)
dst->dumpfile = (char*)xmlStrdup((xmlChar*)src->dumpfile);
if (!dst->dumpfile_size_limit)
dst->dumpfile_size_limit = src->dumpfile_size_limit;
if (!dst->dumpfile_time_limit)
dst->dumpfile_time_limit = src->dumpfile_time_limit;
if (!dst->intro_filename)
dst->intro_filename = (char*)xmlStrdup((xmlChar*)src->intro_filename);
if (!dst->fallback_when_full)

2
src/cfgfile.h
View File

@ -88,6 +88,8 @@ typedef struct _mount_proxy {
* NULL to not dump.
*/
char *dumpfile;
uint64_t dumpfile_size_limit;
unsigned int dumpfile_time_limit;
/* Send contents of file to client before the stream */
char *intro_filename;
/* Switch new listener to fallback source when max listeners reached */

25
src/source.c
View File

@ -1183,12 +1183,26 @@ static void source_apply_mount (ice_config_t *config, source_t *source, mount_pr
source->fallback_mount = NULL;
}
/* Dumpfile settings */
if (mountinfo && mountinfo->dumpfile) {
util_replace_string(&(source->dumpfilename), mountinfo->dumpfile);
} else {
free(source->dumpfilename);
source->dumpfilename = NULL;
if (source->dumpfile) {
ICECAST_LOG_INFO("Stopping dumpfile as it is now de-configured for source %p at mountpoint %#H.", source, source->mount);
source_kill_dumpfile(source);
}
}
if (mountinfo) {
source->dumpfile_size_limit = mountinfo->dumpfile_size_limit;
source->dumpfile_time_limit = mountinfo->dumpfile_time_limit;
} else {
source->dumpfile_size_limit = 0;
source->dumpfile_time_limit = 0;
}
if (source->intro_file)
{
@ -1483,6 +1497,17 @@ bool source_write_dumpfile(source_t *source, const void *buffer, size_t len)
source->dumpfile_written += len;
if (source->dumpfile_size_limit && source->dumpfile_written > source->dumpfile_size_limit) {
ICECAST_LOG_INFO("Dumpfile for source %p at mountpoint %#H reached size limit. Dumpfile will be disabled.", source, source->mount);
source_kill_dumpfile(source);
} else if (source->dumpfile_time_limit) {
time_t now = time(NULL);
if (now > (source->dumpfile_start + source->dumpfile_time_limit)) {
ICECAST_LOG_INFO("Dumpfile for source %p at mountpoint %#H reached time limit. Dumpfile will be disabled.", source, source->mount);
source_kill_dumpfile(source);
}
}
return true;
}

2
src/source.h
View File

@ -57,6 +57,8 @@ struct source_tag {
/* Dumpfile related data */
/* Config */
char *dumpfilename; /* Name of a file to dump incoming stream to */
uint64_t dumpfile_size_limit;
unsigned int dumpfile_time_limit;
/* Runtime */
FILE *dumpfile;
time_t dumpfile_start;