refine the multiple processes architecture, remove the isolate bandwidth test process

@@ -254,21 +254,18 @@ Schema#2: SRS RTMP Edge server pull stream from origin (or upstream SRS
                   +---------+---------+          +-----+-----+
                   +---------+---------+          +-----+-----+
               --------------+------------network-------+---------
               --------------+------------network-------+---------
                             |                          |
                             |                          |
- +-----------+         +----+-----------+         +----+------+
- |   master  +--fork->-+ back source(1) +-->-pull-+ stream(2) +
- +-----+-----+         +----------------+         +-------+---+
+ +-----------+         +----+-----------+         +----+-----------+
+ |   master  +--fork->-+ back source(1) +-->-pull-+ stream 1-N(2)  +
+ +-----+-----+         +----------------+         +-------+--------+
+       |                                                  |
        +-------------------------------------fork--->-----+
        +-------------------------------------fork--->-----+
-       |          +-------------------+
-       +--fork->--+ bandwidth test(3) +
-                  +-------------------+
 
 
 Remark:
 Remark:
 (1) back source process: create by master process, get stream from 
 (1) back source process: create by master process, get stream from 
-    upnode server, serve the stream process.
+    upnode server if edge, create stream if origin, serve the stream 
+    process.
 (2) stream process: create by master process, get stream from back
 (2) stream process: create by master process, get stream from back
     source process, serve the client.
     source process, serve the client.
-(3) bandwidth test process: create by master process, serve the
-    bandwidth test client.
 Remark:
 Remark:
 (a) This multiple processes architecture is design by wenjie, it's a
 (a) This multiple processes architecture is design by wenjie, it's a
     very simple and powerful multiple process architecture, for the
     very simple and powerful multiple process architecture, for the

@@ -79,18 +79,18 @@ BLACK="\\${BLACK}"
 
 
 default: bandwidth librtmp-sample utest
 default: bandwidth librtmp-sample utest
 	@echo -e "\$(GREEN)build summary:\$(BLACK)"
 	@echo -e "\$(GREEN)build summary:\$(BLACK)"
-	@echo -e "     \$(GREEN)server:          ./objs/srs, the srs server\$(BLACK)"
+	@echo -e "     \$(GREEN)server: ./objs/srs, the srs server\$(BLACK)"
 	@echo -e "          ${SrsHlsSummaryColor}hls: delivery HLS stream, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS\$(BLACK)"
 	@echo -e "          ${SrsHlsSummaryColor}hls: delivery HLS stream, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS\$(BLACK)"
 	@echo -e "          ${SrsSslSummaryColor}ssl: support RTMP complex handshake, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/RTMPHandshake\$(BLACK)"
 	@echo -e "          ${SrsSslSummaryColor}ssl: support RTMP complex handshake, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/RTMPHandshake\$(BLACK)"
 	@echo -e "          ${SrsFfmpegSummaryColor}ffmpeg: support transcoding with FFMPEG, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG\$(BLACK)"
 	@echo -e "          ${SrsFfmpegSummaryColor}ffmpeg: support transcoding with FFMPEG, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG\$(BLACK)"
 	@echo -e "          ${SrsHttpSummaryColor}http: support http callback, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPCallback\$(BLACK)"
 	@echo -e "          ${SrsHttpSummaryColor}http: support http callback, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPCallback\$(BLACK)"
-	@echo -e "     \$(GREEN)bandwidth:       ./objs/bandwidth, the bandwidth test client\$(BLACK)"
-	@echo -e "     \$(GREEN)librtmp:         ./objs/include, ./objs/lib, the srs-librtmp library, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/SrsLibrtmp\$(BLACK)"
+	@echo -e "     \$(GREEN)bandwidth: ./objs/bandwidth, the bandwidth test client\$(BLACK)"
+	@echo -e "     \$(GREEN)librtmp: ./objs/include, ./objs/lib, the srs-librtmp library, @see: https://github.com/winlinvip/simple-rtmp-server/wiki/SrsLibrtmp\$(BLACK)"
 	@echo -e "          \$(GREEN)simple handshake: publish/play stream with simple handshake to server\$(BLACK)"
 	@echo -e "          \$(GREEN)simple handshake: publish/play stream with simple handshake to server\$(BLACK)"
 	@echo -e "          ${SrsSslSummaryColor}complex handshake: it's not required to publish/play stream for client, recommend disable it for srs-librtmp\$(BLACK)"
 	@echo -e "          ${SrsSslSummaryColor}complex handshake: it's not required to publish/play stream for client, recommend disable it for srs-librtmp\$(BLACK)"
-	@echo -e "     \$(GREEN)librtmp-sample:  ./research/librtmp, the srs-librtmp client sample\$(BLACK)"
-	@echo -e "     ${SrsResearchSummaryColor}research:        ./objs/research, api server, players, ts info.\$(BLACK)"
-	@echo -e "     ${SrsUtestSummaryColor}utest:           ./objs/srs_utest, the utest for srs\$(BLACK)"
+	@echo -e "     \$(GREEN)librtmp-sample: ./research/librtmp, the srs-librtmp client sample\$(BLACK)"
+	@echo -e "     ${SrsResearchSummaryColor}research: ./objs/research, api server, players, ts info.\$(BLACK)"
+	@echo -e "     ${SrsUtestSummaryColor}utest: ./objs/srs_utest, the utest for srs\$(BLACK)"
 	@echo -e "\$(GREEN)binaries @see: https://github.com/winlinvip/simple-rtmp-server/wiki/Build\$(BLACK)"
 	@echo -e "\$(GREEN)binaries @see: https://github.com/winlinvip/simple-rtmp-server/wiki/Build\$(BLACK)"
 
 
 help:
 help: