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[mod_flv_streaming] use config_plugin_values_init()

This commit is contained in:
Glenn Strauss 2019-10-26 01:32:25 -04:00
parent 32c42074ec
commit 476fd9569c
1 changed files with 77 additions and 87 deletions
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164
src/mod_flv_streaming.c
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@ -1,8 +1,9 @@
#include "first.h"
#include "base.h"
#include "log.h"
#include "array.h"
#include "buffer.h"
#include "log.h"
#include "http_chunk.h"
#include "http_header.h"
@ -11,111 +12,100 @@
#include <stdlib.h>
#include <string.h>
/* plugin config for all request/connections */
typedef struct {
array *extensions;
const array *extensions;
} plugin_config;
typedef struct {
PLUGIN_DATA;
plugin_config **config_storage;
plugin_config conf;
PLUGIN_DATA;
plugin_config defaults;
plugin_config conf;
} plugin_data;
/* init the plugin data */
INIT_FUNC(mod_flv_streaming_init) {
return calloc(1, sizeof(plugin_data));
return calloc(1, sizeof(plugin_data));
}
/* detroy the plugin data */
FREE_FUNC(mod_flv_streaming_free) {
plugin_data *p = p_d;
if (!p) return HANDLER_GO_ON;
plugin_data *p = p_d;
if (!p) return HANDLER_GO_ON;
UNUSED(srv);
if (p->config_storage) {
for (size_t i = 0; i < srv->config_context->used; ++i) {
plugin_config *s = p->config_storage[i];
if (NULL == s) continue;
array_free(s->extensions);
free(s);
}
free(p->config_storage);
}
free(p);
UNUSED(srv);
return HANDLER_GO_ON;
free(p->cvlist);
free(p);
return HANDLER_GO_ON;
}
/* handle plugin config and check values */
static void mod_flv_streaming_merge_config_cpv(plugin_config * const pconf, const config_plugin_value_t * const cpv) {
switch (cpv->k_id) { /* index into static config_plugin_keys_t cpk[] */
case 0: /* flv-streaming.extensions */
pconf->extensions = cpv->v.a;
break;
default:/* should not happen */
return;
}
}
static void mod_flv_streaming_merge_config(plugin_config * const pconf, const config_plugin_value_t *cpv) {
do {
mod_flv_streaming_merge_config_cpv(pconf, cpv);
} while ((++cpv)->k_id != -1);
}
static void mod_flv_streaming_patch_config(connection * const con, plugin_data * const p) {
memcpy(&p->conf, &p->defaults, sizeof(plugin_config));
for (int i = 1, used = p->nconfig; i < used; ++i) {
if (config_check_cond(con, (uint32_t)p->cvlist[i].k_id))
mod_flv_streaming_merge_config(&p->conf,
p->cvlist + p->cvlist[i].v.u2[0]);
}
}
SETDEFAULTS_FUNC(mod_flv_streaming_set_defaults) {
plugin_data *p = p_d;
size_t i = 0;
static const config_plugin_keys_t cpk[] = {
{ CONST_STR_LEN("flv-streaming.extensions"),
T_CONFIG_ARRAY,
T_CONFIG_SCOPE_CONNECTION }
,{ NULL, 0,
T_CONFIG_UNSET,
T_CONFIG_SCOPE_UNSET }
};
config_values_t cv[] = {
{ "flv-streaming.extensions", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
plugin_data * const p = p_d;
if (!config_plugin_values_init(srv, p, cpk, "mod_flv_streaming"))
return HANDLER_ERROR;
if (!p) return HANDLER_ERROR;
/* process and validate config directives
* (init i to 0 if global context; to 1 to skip empty global context) */
for (int i = !p->cvlist[0].v.u2[1]; i < p->nconfig; ++i) {
const config_plugin_value_t *cpv = p->cvlist + p->cvlist[i].v.u2[0];
for (; -1 != cpv->k_id; ++cpv) {
switch (cpv->k_id) {
case 0: /* flv-streaming.extensions */
if (!array_is_vlist(cpv->v.a)) {
log_error(srv->errh, __FILE__, __LINE__,
"unexpected value for %s; "
"expected list of \"ext\"", cpk[cpv->k_id].k);
return HANDLER_ERROR;
}
break;
default:/* should not happen */
break;
}
}
}
p->config_storage = calloc(srv->config_context->used, sizeof(plugin_config *));
/* initialize p->defaults from global config context */
if (p->nconfig > 0 && p->cvlist->v.u2[1]) {
const config_plugin_value_t *cpv = p->cvlist + p->cvlist->v.u2[0];
if (-1 != cpv->k_id)
mod_flv_streaming_merge_config(&p->defaults, cpv);
}
for (i = 0; i < srv->config_context->used; i++) {
data_config const* config = (data_config const*)srv->config_context->data[i];
plugin_config *s;
s = calloc(1, sizeof(plugin_config));
s->extensions = array_init();
cv[0].destination = s->extensions;
p->config_storage[i] = s;
if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) {
return HANDLER_ERROR;
}
if (!array_is_vlist(s->extensions)) {
log_error_write(srv, __FILE__, __LINE__, "s",
"unexpected value for flv-streaming.extensions; expected list of \"ext\"");
return HANDLER_ERROR;
}
}
return HANDLER_GO_ON;
return HANDLER_GO_ON;
}
#define PATCH(x) \
p->conf.x = s->x;
static int mod_flv_streaming_patch_connection(server *srv, connection *con, plugin_data *p) {
size_t i, j;
plugin_config *s = p->config_storage[0];
PATCH(extensions);
/* skip the first, the global context */
for (i = 1; i < srv->config_context->used; i++) {
if (!config_check_cond(con, i)) continue; /* condition not matched */
data_config *dc = (data_config *)srv->config_context->data[i];
s = p->config_storage[i];
/* merge config */
for (j = 0; j < dc->value->used; j++) {
data_unset *du = dc->value->data[j];
if (buffer_is_equal_string(&du->key, CONST_STR_LEN("flv-streaming.extensions"))) {
PATCH(extensions);
}
}
}
return 0;
}
#undef PATCH
static off_t get_param_value(buffer *qb, const char *m, size_t mlen) {
const char * const q = qb->ptr;
size_t len = buffer_string_length(qb);
@ -138,7 +128,8 @@ URIHANDLER_FUNC(mod_flv_streaming_path_handler) {
if (con->mode != DIRECT) return HANDLER_GO_ON;
if (buffer_string_is_empty(con->physical.path)) return HANDLER_GO_ON;
mod_flv_streaming_patch_connection(srv, con, p);
mod_flv_streaming_patch_config(con, p);
if (NULL == p->conf.extensions) return HANDLER_GO_ON;
if (!array_match_value_suffix(p->conf.extensions, con->physical.path)) {
/* not found */
@ -171,7 +162,6 @@ URIHANDLER_FUNC(mod_flv_streaming_path_handler) {
return HANDLER_FINISHED;
}
/* this function is called at dlopen() time and inits the callbacks */
int mod_flv_streaming_plugin_init(plugin *p);
int mod_flv_streaming_plugin_init(plugin *p) {