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add cache-control support

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This commit is contained in:
Anthony Minessale 2012-01-05 16:52:37 -06:00
parent a4320da5a8
commit 6ef27f1917
1 changed files with 18 additions and 5 deletions
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23
src/mod/applications/mod_httapi/mod_httapi.c
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@ -1381,7 +1381,7 @@ static switch_status_t do_config(void)
} else if (!strcasecmp(var, "file-cache-ttl")) { } else if (!strcasecmp(var, "file-cache-ttl")) {
int tmp = atoi(val); int tmp = atoi(val);
if (tmp > 0) { if (tmp > -1) {
globals.cache_ttl = tmp; globals.cache_ttl = tmp;
} else { } else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid value [%s]for file-cache-ttl\n", val); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid value [%s]for file-cache-ttl\n", val);
@ -1974,7 +1974,7 @@ static switch_status_t fetch_cache_data(const char *url, switch_event_t **header
return status; return status;
} }
static switch_status_t write_meta_file(http_file_context_t *context, const char *data) static switch_status_t write_meta_file(http_file_context_t *context, const char *data, switch_event_t *headers)
{ {
int fd; int fd;
switch_status_t status = SWITCH_STATUS_SUCCESS; switch_status_t status = SWITCH_STATUS_SUCCESS;
@ -1985,10 +1985,23 @@ static switch_status_t write_meta_file(http_file_context_t *context, const char
} }
if (!zstr(data)) { if (!zstr(data)) {
int ttl = globals.cache_ttl;
const char *cc;
const char *p;
if (headers && (cc = switch_event_get_header(headers, "Cache-Control")) && (p = switch_stristr("max-age=", cc))) {
p += 8;
if (p) {
ttl = atoi(p);
if (ttl < 0) ttl = globals.cache_ttl;
}
}
switch_snprintf(write_data, sizeof(write_data), switch_snprintf(write_data, sizeof(write_data),
"%" SWITCH_TIME_T_FMT ":%s", "%" SWITCH_TIME_T_FMT ":%s",
switch_epoch_time_now(NULL) + globals.cache_ttl, switch_epoch_time_now(NULL) + ttl,
data); data);
@ -2068,7 +2081,7 @@ static switch_status_t locate_url_file(http_file_context_t *context, const char
); );
if (!strcmp(metadata, context->metadata)) { if (!strcmp(metadata, context->metadata)) {
write_meta_file(context, metadata); write_meta_file(context, metadata, headers);
switch_goto_status(SWITCH_STATUS_SUCCESS, end); switch_goto_status(SWITCH_STATUS_SUCCESS, end);
} }
} }
@ -2082,7 +2095,7 @@ static switch_status_t locate_url_file(http_file_context_t *context, const char
switch_event_get_header_nil(headers, "content-length") switch_event_get_header_nil(headers, "content-length")
); );
write_meta_file(context, metadata); write_meta_file(context, metadata, headers);
if (switch_file_exists(context->cache_file, context->pool) == SWITCH_STATUS_SUCCESS) { if (switch_file_exists(context->cache_file, context->pool) == SWITCH_STATUS_SUCCESS) {
status = SWITCH_STATUS_SUCCESS; status = SWITCH_STATUS_SUCCESS;