static ngx_int_t
ngx_rtmp_cmd_connect(ngx_rtmp_session_t *s, ngx_rtmp_connect_t *v)
{
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_core_app_conf_t **cacfp;
ngx_uint_t n;
size_t len;
ngx_rtmp_header_t h;
static double trans;
static double capabilities = NGX_RTMP_CAPABILITIES;
static double object_encoding = 0;
static ngx_rtmp_amf_elt_t out_obj[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("fmsVer"),
NGX_RTMP_FMS_VERSION, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("capabilities"),
&capabilities, 0 },
};
static ngx_rtmp_amf_elt_t out_inf[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("level"),
"status", 0 },
{ NGX_RTMP_AMF_STRING,
ngx_string("code"),
"NetConnection.Connect.Success", 0 },
{ NGX_RTMP_AMF_STRING,
ngx_string("description"),
"Connection succeeded.", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("objectEncoding"),
&object_encoding, 0 }
};
static ngx_rtmp_amf_elt_t out_elts[] = {
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
"_result", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&trans, 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_obj, sizeof(out_obj) },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_inf, sizeof(out_inf) },
};
if (s->connected) {
ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
"connect: duplicate connection");
return NGX_ERROR;
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
ngx_log_debug8(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"connect: app='%s' flashver='%s' swf_url='%s' "
"tc_url='%s' page_url='%s' acodecs=%uD vcodecs=%uD "
"object_encoding=%ui",
v->app, v->flashver, v->swf_url, v->tc_url, v->page_url,
(uint32_t)v->acodecs, (uint32_t)v->vcodecs,
(ngx_int_t)v->object_encoding);
trans = v->trans;
/* fill session parameters */
s->connected = 1;
ngx_memzero(&h, sizeof(h));
h.csid = NGX_RTMP_CMD_CSID_AMF_INI;
h.type = NGX_RTMP_MSG_AMF_CMD;
#define NGX_RTMP_SET_STRPAR(name) \
s->name.len = ngx_strlen(v->name); \
s->name.data = ngx_palloc(s->connection->pool, s->name.len); \
ngx_memcpy(s->name.data, v->name, s->name.len)
NGX_RTMP_SET_STRPAR(app);
NGX_RTMP_SET_STRPAR(flashver);
NGX_RTMP_SET_STRPAR(swf_url);
NGX_RTMP_SET_STRPAR(tc_url);
NGX_RTMP_SET_STRPAR(page_url);
#undef NGX_RTMP_SET_STRPAR
s->acodecs = v->acodecs;
s->vcodecs = v->vcodecs;
/* find application & set app_conf */
len = ngx_strlen(v->app);
cacfp = cscf->applications.elts;
for(n = 0; n < cscf->applications.nelts; ++n, ++cacfp) {
if ((*cacfp)->name.len == len
&& !ngx_strncmp((*cacfp)->name.data, v->app, len))
{
/* found app! */
s->app_conf = (*cacfp)->app_conf;
break;
}
}
if (s->app_conf == NULL) {
ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
"connect: application not found: '%s'", v->app);
return NGX_ERROR;
}
object_encoding = v->object_encoding;
/* send all replies */
return ngx_rtmp_send_ack_size(s, cscf->ack_window) != NGX_OK
|| ngx_rtmp_send_bandwidth(s, cscf->ack_window,
NGX_RTMP_LIMIT_DYNAMIC) != NGX_OK
|| ngx_rtmp_send_chunk_size(s, cscf->chunk_size) != NGX_OK
|| ngx_rtmp_send_amf(s, &h, out_elts,
sizeof(out_elts) / sizeof(out_elts[0])) != NGX_OK
? NGX_ERROR
: NGX_OK;
}
static ngx_int_t
ngx_rtmp_relay_send_connect(ngx_rtmp_session_t *s)
{
static double trans = NGX_RTMP_RELAY_CONNECT_TRANS;
static double acodecs = 3575;
static double vcodecs = 252;
static ngx_rtmp_amf_elt_t out_cmd[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("app"),
NULL, 0 }, /* <-- fill */
{ NGX_RTMP_AMF_STRING,
ngx_string("tcUrl"),
NULL, 0 }, /* <-- fill */
{ NGX_RTMP_AMF_STRING,
ngx_string("pageUrl"),
NULL, 0 }, /* <-- fill */
{ NGX_RTMP_AMF_STRING,
ngx_string("swfUrl"),
NULL, 0 }, /* <-- fill */
{ NGX_RTMP_AMF_STRING,
ngx_string("flashVer"),
NULL, 0 }, /* <-- fill */
{ NGX_RTMP_AMF_NUMBER,
ngx_string("audioCodecs"),
&acodecs, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("videoCodecs"),
&vcodecs, 0 }
};
static ngx_rtmp_amf_elt_t out_elts[] = {
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
"connect", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&trans, 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_cmd, sizeof(out_cmd) }
};
ngx_rtmp_core_app_conf_t *cacf;
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_relay_ctx_t *ctx;
ngx_rtmp_header_t h;
size_t len;
u_char *p;
cacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_core_module);
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_relay_module);
if (cacf == NULL || ctx == NULL) {
return NGX_ERROR;
}
/* app */
if (ctx->app.len) {
out_cmd[0].data = ctx->app.data;
out_cmd[0].len = ctx->app.len;
} else {
out_cmd[0].data = cacf->name.data;
out_cmd[0].len = cacf->name.len;
}
/* tcUrl */
if (ctx->tc_url.len) {
out_cmd[1].data = ctx->tc_url.data;
out_cmd[1].len = ctx->tc_url.len;
} else {
len = sizeof("rtmp://") - 1 + ctx->url.len +
sizeof("/") - 1 + ctx->app.len;
p = ngx_palloc(s->connection->pool, len);
if (p == NULL) {
return NGX_ERROR;
}
out_cmd[1].data = p;
p = ngx_cpymem(p, "rtmp://", sizeof("rtmp://") - 1);
p = ngx_cpymem(p, ctx->url.data, ctx->url.len);
*p++ = '/';
p = ngx_cpymem(p, ctx->app.data, ctx->app.len);
out_cmd[1].len = p - (u_char *)out_cmd[1].data;
}
/* pageUrl */
out_cmd[2].data = ctx->page_url.data;
out_cmd[2].len = ctx->page_url.len;
/* swfUrl */
out_cmd[3].data = ctx->swf_url.data;
out_cmd[3].len = ctx->swf_url.len;
/* flashVer */
if (ctx->flash_ver.len) {
out_cmd[4].data = ctx->flash_ver.data;
out_cmd[4].len = ctx->flash_ver.len;
} else {
out_cmd[4].data = NGX_RTMP_RELAY_FLASHVER;
out_cmd[4].len = sizeof(NGX_RTMP_RELAY_FLASHVER) - 1;
}
ngx_memzero(&h, sizeof(h));
h.csid = NGX_RTMP_RELAY_CSID_AMF_INI;
h.type = NGX_RTMP_MSG_AMF_CMD;
return ngx_rtmp_send_chunk_size(s, cscf->chunk_size) != NGX_OK
|| ngx_rtmp_send_ack_size(s, cscf->ack_window) != NGX_OK
|| ngx_rtmp_send_amf(s, &h, out_elts,
sizeof(out_elts) / sizeof(out_elts[0])) != NGX_OK
? NGX_ERROR
: NGX_OK;
}
