for #250, rename rtmp to protocol dir.

trunk/src/protocol/srs_rtmp_utility.hpp

@@ -0,0 +1,114 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2015 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_RTMP_PROTOCOL_CONSTS_HPP
+#define SRS_RTMP_PROTOCOL_CONSTS_HPP
+
+/*
+#include <srs_rtmp_utility.hpp>
+*/
+#include <srs_core.hpp>
+
+#include <string>
+
+#include <srs_kernel_consts.hpp>
+
+class SrsMessageHeader;
+
+/**
+* parse the tcUrl, output the schema, host, vhost, app and port.
+* @param tcUrl, the input tcUrl, for example, 
+*       rtmp://192.168.1.10:19350/live?vhost=vhost.ossrs.net
+* @param schema, for example, rtmp
+* @param host, for example, 192.168.1.10
+* @param vhost, for example, vhost.ossrs.net.
+*       vhost default to host, when user not set vhost in query of app.
+* @param app, for example, live
+* @param port, for example, 19350
+*       default to 1935 if not specified.
+* param param, for example, vhost=vhost.ossrs.net
+*/
+extern void srs_discovery_tc_url(
+    std::string tcUrl, 
+    std::string& schema, std::string& host, std::string& vhost, 
+    std::string& app, std::string& port, std::string& param
+);
+
+/**
+* resolve the vhost in query string
+* @pram vhost, update the vhost if query contains the vhost.
+* @param app, may contains the vhost in query string format:
+*   app?vhost=request_vhost
+*   app...vhost...request_vhost
+* @param param, the query, for example, ?vhost=xxx
+*/ 
+extern void srs_vhost_resolve(std::string& vhost, std::string& app, std::string& param);
+
+/**
+* generate ramdom data for handshake.
+*/
+extern void srs_random_generate(char* bytes, int size);
+
+/**
+* generate the tcUrl.
+* @param param, the app parameters in tcUrl. for example, ?key=xxx,vhost=xxx
+* @return the tcUrl generated from ip/vhost/app/port.
+* @remark when vhost equals to __defaultVhost__, use ip as vhost.
+* @remark ignore port if port equals to default port 1935.
+*/
+extern std::string srs_generate_tc_url(
+    std::string ip, std::string vhost, std::string app, std::string port,
+    std::string param
+);
+
+/**
+* compare the memory in bytes.
+* @return true if completely equal; otherwise, false.
+*/
+extern bool srs_bytes_equals(void* pa, void* pb, int size);
+
+/**
+* generate the c0 chunk header for msg.
+* @param cache, the cache to write header.
+* @param nb_cache, the size of cache.
+* @return the size of header. 0 if cache not enough.
+*/
+extern int srs_chunk_header_c0(
+    int perfer_cid, u_int32_t timestamp, int32_t payload_length,
+    int8_t message_type, int32_t stream_id,
+    char* cache, int nb_cache
+);
+
+/**
+* generate the c3 chunk header for msg.
+* @param cache, the cache to write header.
+* @param nb_cache, the size of cache.
+* @return the size of header. 0 if cache not enough.
+*/
+extern int srs_chunk_header_c3(
+    int perfer_cid, u_int32_t timestamp, 
+    char* cache, int nb_cache
+);
+
+#endif
+