static char *
ngx_rtmp_relay_push_pull(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_str_t *value, v, n;
ngx_rtmp_relay_app_conf_t *racf;
ngx_rtmp_relay_target_t *target, **t;
void *addrs;
ngx_url_t *u;
ngx_uint_t i;
ngx_int_t is_pull, is_static;
ngx_event_t **ee, *e;
ngx_rtmp_relay_static_t *rs;
u_char *p;
value = cf->args->elts;
racf = ngx_rtmp_conf_get_module_app_conf(cf, ngx_rtmp_relay_module);
is_pull = (value[0].data[3] == 'l');
is_static = 0;
target = ngx_pcalloc(cf->pool, sizeof(*target));
if (target == NULL) {
return NGX_CONF_ERROR;
}
target->tag = &ngx_rtmp_relay_module;
target->data = target;
u = &target->url;
u->default_port = 1935;
u->uri_part = 1;
u->url = value[1];
if (ngx_strncasecmp(u->url.data, (u_char *) "rtmp://", 7) == 0) {
u->url.data += 7;
u->url.len -= 7;
}
if (ngx_parse_url(cf->pool, u) != NGX_OK) {
if (u->err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in url \"%V\"", u->err, &u->url);
}
return NGX_CONF_ERROR;
}
value += 2;
for (i = 2; i < cf->args->nelts; ++i, ++value) {
p = ngx_strlchr(value->data, value->data + value->len, '=');
if (p == NULL) {
n = *value;
ngx_str_set(&v, "1");
} else {
n.data = value->data;
n.len = p - value->data;
v.data = p + 1;
v.len = value->data + value->len - p - 1;
}
#define NGX_RTMP_RELAY_STR_PAR(name, var) \
if (n.len == sizeof(name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *) name, n.len) == 0) \
{ \
target->var = v; \
continue; \
}
#define NGX_RTMP_RELAY_NUM_PAR(name, var) \
if (n.len == sizeof(name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *) name, n.len) == 0) \
{ \
target->var = ngx_atoi(v.data, v.len); \
continue; \
}
NGX_RTMP_RELAY_STR_PAR("app", app);
NGX_RTMP_RELAY_STR_PAR("name", name);
NGX_RTMP_RELAY_STR_PAR("tcUrl", tc_url);
NGX_RTMP_RELAY_STR_PAR("pageUrl", page_url);
NGX_RTMP_RELAY_STR_PAR("swfUrl", swf_url);
NGX_RTMP_RELAY_STR_PAR("flashVer", flash_ver);
NGX_RTMP_RELAY_STR_PAR("playPath", play_path);
NGX_RTMP_RELAY_NUM_PAR("live", live);
NGX_RTMP_RELAY_NUM_PAR("start", start);
NGX_RTMP_RELAY_NUM_PAR("stop", stop);
#undef NGX_RTMP_RELAY_STR_PAR
#undef NGX_RTMP_RELAY_NUM_PAR
if (n.len == sizeof("static") - 1 &&
ngx_strncasecmp(n.data, (u_char *) "static", n.len) == 0 &&
ngx_atoi(v.data, v.len))
{
is_static = 1;
continue;
}
return "unsuppored parameter";
}
if (is_static) {
if (!is_pull) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"static push is not allowed");
return NGX_CONF_ERROR;
}
if (target->name.len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"stream name missing in static pull "
"declaration");
return NGX_CONF_ERROR;
}
t = racf->static_pulls.elts;
for (i = 0; i < racf->static_pulls.nelts; i++) {
if (t[i]->name.len == target->name.len
&& ngx_strncmp(t[i]->name.data, target->name.data, target->name.len) == 0)
{
addrs = ngx_palloc(cf->pool, (u->naddrs + t[i]->url.naddrs) * sizeof(ngx_addr_t));
if (addrs == NULL) {
return NGX_CONF_ERROR;
}
ngx_memcpy(addrs, t[i]->url.addrs, t[i]->url.naddrs * sizeof(ngx_addr_t));
ngx_memcpy((char *)addrs + t[i]->url.naddrs * sizeof(ngx_addr_t), u->addrs, u->naddrs * sizeof(ngx_addr_t));
t[i]->url.naddrs += u->naddrs;
t[i]->url.addrs = addrs;
return NGX_CONF_OK;
}
}
ee = ngx_array_push(&racf->static_events);
if (ee == NULL) {
return NGX_CONF_ERROR;
}
e = ngx_pcalloc(cf->pool, sizeof(ngx_event_t));
if (e == NULL) {
return NGX_CONF_ERROR;
}
*ee = e;
rs = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_relay_static_t));
if (rs == NULL) {
return NGX_CONF_ERROR;
}
rs->target = target;
e->data = rs;
e->log = &cf->cycle->new_log;
e->handler = ngx_rtmp_relay_static_pull_reconnect;
t = ngx_array_push(&racf->static_pulls);
} else if (is_pull) {
t = ngx_array_push(&racf->pulls);
} else {
t = ngx_array_push(&racf->pushes);
}
if (t == NULL) {
return NGX_CONF_ERROR;
}
*t = target;
return NGX_CONF_OK;
}
static char *
ngx_rtmp_relay_push_pull(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_str_t *value, v, n;
ngx_rtmp_relay_app_conf_t *racf;
ngx_rtmp_relay_target_t *target, **t;
ngx_url_t *u;
ngx_uint_t i;
u_char *p;
value = cf->args->elts;
racf = ngx_rtmp_conf_get_module_app_conf(cf, ngx_rtmp_relay_module);
t = ngx_array_push(value[0].data[3] == 'h'
? &racf->pushes /* push */
: &racf->pulls /* pull */
);
if (t == NULL) {
return NGX_CONF_ERROR;
}
target = ngx_pcalloc(cf->pool, sizeof(*target));
if (target == NULL) {
return NGX_CONF_ERROR;
}
*t = target;
target->tag = &ngx_rtmp_relay_module;
target->data = target;
u = &target->url;
u->default_port = 1935;
u->uri_part = 1;
u->url = value[1];
if (ngx_strncasecmp(u->url.data, (u_char *) "rtmp://", 7) == 0) {
u->url.data += 7;
u->url.len -= 7;
}
if (ngx_parse_url(cf->pool, u) != NGX_OK) {
if (u->err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in url \"%V\"", u->err, &u->url);
}
return NGX_CONF_ERROR;
}
value += 2;
for (i = 2; i < cf->args->nelts; ++i, ++value) {
p = ngx_strlchr(value->data, value->data + value->len, '=');
if (p == NULL) {
return "key=value expected";
}
if (p == value->data + value->len - 1) {
continue;
}
n.data = value->data;
n.len = p - value->data;
v.data = p + 1;
v.len = value->data + value->len - p - 1;
#define NGX_RTMP_RELAY_STR_PAR(name, var) \
if (n.len == sizeof(#name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *)#name, n.len) == 0) \
{ \
target->var = v; \
continue; \
}
#define NGX_RTMP_RELAY_NUM_PAR(name, var) \
if (n.len == sizeof(#name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *)#name, n.len) == 0) \
{ \
target->var = ngx_atoi(v.data, v.len); \
continue; \
}
NGX_RTMP_RELAY_STR_PAR(app, app);
NGX_RTMP_RELAY_STR_PAR(name, name);
NGX_RTMP_RELAY_STR_PAR(tcUrl, tc_url);
NGX_RTMP_RELAY_STR_PAR(pageUrl, page_url);
NGX_RTMP_RELAY_STR_PAR(swfUrl, swf_url);
NGX_RTMP_RELAY_STR_PAR(flashVer, flash_ver);
NGX_RTMP_RELAY_STR_PAR(playPath, play_path);
NGX_RTMP_RELAY_NUM_PAR(live, live);
NGX_RTMP_RELAY_NUM_PAR(start, start);
NGX_RTMP_RELAY_NUM_PAR(stop, stop);
#undef NGX_RTMP_RELAY_STR_PAR
#undef NGX_RTMP_RELAY_NUM_PAR
return "unsuppored parameter";
}
return NGX_CONF_OK;
}
ngx_int_t
ngx_rtmp_parse_relay_str(ngx_pool_t *pool, ngx_rtmp_relay_target_t *target,
u_char *is_static)
{
ngx_str_t parts, v, n;
u_char *b, *m, *e, *last, *dst, *src;
parts.len = target->url.uri.len;
parts.data = ngx_pstrdup(pool, &target->url.uri);
if (parts.data == NULL) {
return NGX_ERROR;
}
last = parts.data + parts.len - 1;
b = ngx_strlchr(parts.data, last + 1, '?');
while (b != NULL && ++b < last) {
e = ngx_strlchr(b + 1, last + 1, '&');
if (e == NULL) {
e = last;
} else if (e == b + 1) {
b = e + 1;
continue;
} else {
*e = '\0';
e--;
}
m = ngx_strlchr(b, e + 1, '=');
if (m == NULL) {
n.data = b;
n.len = e - b + 1;
ngx_str_set(&v, "1");
} else if (m == e) {
n.data = b;
n.len = e - b;
ngx_str_set(&v, "1");
} else if (m == b) {
b = e + 1;
continue;
} else {
n.data = b;
n.len = m - b;
v.data = m + 1;
v.len = e - m;
}
#define NGX_RTMP_RELAY_STR_PAR(name, var) \
if (n.len == sizeof(name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *) name, n.len) == 0) \
{ \
src = v.data; \
dst = ngx_pnalloc(pool, v.len); \
if (dst == NULL) { \
return NGX_ERROR; \
} \
target->var.data = dst; \
ngx_unescape_uri(&dst, &src, v.len, 0); \
target->var.len = dst - target->var.data; \
b = e + 1; \
continue; \
}
#define NGX_RTMP_RELAY_NUM_PAR(name, var) \
if (n.len == sizeof(name) - 1 \
&& ngx_strncasecmp(n.data, (u_char *) name, n.len) == 0) \
{ \
target->var = ngx_atoi(v.data, v.len); \
b = e + 1; \
continue; \
}
NGX_RTMP_RELAY_STR_PAR("app", app);
NGX_RTMP_RELAY_STR_PAR("name", name);
NGX_RTMP_RELAY_STR_PAR("tcUrl", tc_url);
NGX_RTMP_RELAY_STR_PAR("pageUrl", page_url);
NGX_RTMP_RELAY_STR_PAR("swfUrl", swf_url);
NGX_RTMP_RELAY_STR_PAR("flashVer", flash_ver);
NGX_RTMP_RELAY_STR_PAR("playPath", play_path);
NGX_RTMP_RELAY_NUM_PAR("live", live);
NGX_RTMP_RELAY_NUM_PAR("start", start);
NGX_RTMP_RELAY_NUM_PAR("stop", stop);
#undef NGX_RTMP_RELAY_STR_PAR
#undef NGX_RTMP_RELAY_NUM_PAR
if (is_static && n.len == sizeof("static") - 1 &&
ngx_strncasecmp(n.data, (u_char *) "static", n.len) == 0 &&
ngx_atoi(v.data, v.len))
{
*is_static = 1;
continue;
}
return NGX_ERROR;
}
return NGX_OK;
}
