fix the http read chunked encoding bug.

@@ -37,6 +37,8 @@ using namespace std;
 #include <srs_app_http_conn.hpp>
 #include <srs_core_autofree.hpp>
 
+#define SRS_HTTP_FLV_STREAM_BUFFER 4096
+
 SrsAppCasterFlv::SrsAppCasterFlv(SrsConfDirective* c)
 {
     http_mux = new SrsHttpServeMux();
@@ -62,7 +64,7 @@ int SrsAppCasterFlv::on_tcp_client(st_netfd_t stfd)
 {
     int ret = ERROR_SUCCESS;
     
-    SrsHttpConn* conn = new SrsHttpConn(this, stfd, http_mux);
+    SrsHttpConn* conn = new SrsDynamicHttpConn(this, stfd, http_mux);
     conns.push_back(conn);
     
     if ((ret = conn->start()) != ERROR_SUCCESS) {
@@ -79,7 +81,7 @@ void SrsAppCasterFlv::remove(SrsConnection* c)
         conns.erase(it);
     }
 }
-#define SRS_HTTP_FLV_STREAM_BUFFER 4096
+
 int SrsAppCasterFlv::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
 {
     int ret = ERROR_SUCCESS;
@@ -95,10 +97,25 @@ int SrsAppCasterFlv::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
         if ((ret = rr->read(buffer, SRS_HTTP_FLV_STREAM_BUFFER, &nb_read)) != ERROR_SUCCESS) {
             return ret;
         }
-        srs_trace("flv: read %dB from %s", nb_read, r->path().c_str());
+        //srs_trace("flv: read %dB from %s", nb_read, r->path().c_str());
     }
     
     return ret;
 }
 
+SrsDynamicHttpConn::SrsDynamicHttpConn(IConnectionManager* cm, st_netfd_t fd, SrsHttpServeMux* m)
+    : SrsHttpConn(cm, fd, m)
+{
+}
+
+SrsDynamicHttpConn::~SrsDynamicHttpConn()
+{
+}
+
+int SrsDynamicHttpConn::on_got_http_message(SrsHttpMessage* msg)
+{
+    int ret = ERROR_SUCCESS;
+    return ret;
+}
+
 #endif

@@ -43,6 +43,7 @@ class SrsHttpConn;
 #include <srs_app_listener.hpp>
 #include <srs_app_conn.hpp>
 #include <srs_app_http.hpp>
+#include <srs_app_http_conn.hpp>
 
 class SrsAppCasterFlv : virtual public ISrsTcpHandler
     , virtual public IConnectionManager, virtual public ISrsHttpHandler
@@ -67,6 +68,15 @@ public:
     virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
 };
 
+class SrsDynamicHttpConn : public SrsHttpConn
+{
+public:
+    SrsDynamicHttpConn(IConnectionManager* cm, st_netfd_t fd, SrsHttpServeMux* m);
+    virtual ~SrsDynamicHttpConn();
+public:
+    virtual int on_got_http_message(SrsHttpMessage* msg);
+};
+
 #endif
 
 #endif

@@ -905,6 +905,7 @@ int SrsHttpResponseReader::initialize(SrsFastBuffer* body)
 {
     int ret = ERROR_SUCCESS;
     
+    nb_chunk = 0;
     nb_left_chunk = 0;
     nb_total_read = 0;
     buffer = body;
@@ -999,9 +1000,14 @@ int SrsHttpResponseReader::read_chunked(char* data, int nb_data, int* nb_read)
         }
         
         // all bytes in chunk is left now.
-        nb_left_chunk = ilength;
+        nb_chunk = nb_left_chunk = ilength;
     }
     
+    if (nb_chunk <= 0) {
+        // for the last chunk, eof.
+        is_eof = true;
+    } else {
+        // for not the last chunk, there must always exists bytes.
         // left bytes in chunk, read some.
         srs_assert(nb_left_chunk);
         
@@ -1013,19 +1019,16 @@ int SrsHttpResponseReader::read_chunked(char* data, int nb_data, int* nb_read)
             *nb_read = nb_bytes;
         }
         nb_left_chunk -= nb_bytes;
+        srs_info("http: read %d bytes of chunk", nb_bytes);
         
         // error or still left bytes in chunk, ignore and read in future.
         if (nb_left_chunk > 0 || (ret != ERROR_SUCCESS)) {
             return ret;
         }
-    srs_info("http: read %d bytes of chunk", nb_bytes);
-    
-    // read payload when length specifies some payload.
-    if (nb_left_chunk <= 0) {
-        is_eof = true;
+        srs_info("http: read total chunk %dB", nb_chunk);
     }
     
-    // the CRLF of chunk payload end.
+    // for both the last or not, the CRLF of chunk payload end.
     if ((ret = buffer->grow(skt, 2)) != ERROR_SUCCESS) {
         if (!srs_is_client_gracefully_close(ret)) {
             srs_error("read EOF of chunk from server failed. ret=%d", ret);
@@ -1064,10 +1067,13 @@ int SrsHttpResponseReader::read_specified(char* data, int nb_data, int* nb_read)
     // increase the total read to determine whether EOF.
     nb_total_read += nb_bytes;
     
+    // for not chunked
+    if (!owner->is_chunked()) {
         // when read completed, eof.
         if (nb_total_read >= (int)owner->content_length()) {
             is_eof = true;
         }
+    }
     
     return ret;
 }

@@ -436,6 +436,8 @@ private:
     bool is_eof;
     // the left bytes in chunk.
     int nb_left_chunk;
+    // the number of bytes of current chunk.
+    int nb_chunk;
     // already read total bytes.
     int64_t nb_total_read;
 public:

@@ -1398,11 +1398,8 @@ int SrsHttpConn::do_cycle()
         // always free it in this scope.
         SrsAutoFree(SrsHttpMessage, req);
         
-        // TODO: FIXME: use the post body.
-        std::string res;
-        
-        // get response body.
-        if ((ret = req->body_read_all(res)) != ERROR_SUCCESS) {
+        // may should discard the body.
+        if ((ret = on_got_http_message(req)) != ERROR_SUCCESS) {
             return ret;
         }
         
@@ -1434,5 +1431,29 @@ int SrsHttpConn::process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
     return ret;
 }
 
+SrsStaticHttpConn::SrsStaticHttpConn(IConnectionManager* cm, st_netfd_t fd, SrsHttpServeMux* m)
+    : SrsHttpConn(cm, fd, m)
+{
+}
+
+SrsStaticHttpConn::~SrsStaticHttpConn()
+{
+}
+
+int SrsStaticHttpConn::on_got_http_message(SrsHttpMessage* msg)
+{
+    int ret = ERROR_SUCCESS;
+    
+    // TODO: FIXME: use the post body.
+    std::string res;
+    
+    // get response body.
+    if ((ret = msg->body_read_all(res)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    return ret;
+}
+
 #endif
 

@@ -388,10 +388,24 @@ public:
     virtual void cleanup();
 protected:
     virtual int do_cycle();
+protected:
+    // when got http message,
+    // for the static service or api, discard any body.
+    // for the stream caster, for instance, http flv streaming, may discard the flv header or not.
+    virtual int on_got_http_message(SrsHttpMessage* msg) = 0;
 private:
     virtual int process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
 };
 
+class SrsStaticHttpConn : public SrsHttpConn
+{
+public:
+    SrsStaticHttpConn(IConnectionManager* cm, st_netfd_t fd, SrsHttpServeMux* m);
+    virtual ~SrsStaticHttpConn();
+public:
+    virtual int on_got_http_message(SrsHttpMessage* msg);
+};
+
 #endif
 
 #endif

@@ -1163,7 +1163,7 @@ int SrsServer::accept_client(SrsListenerType type, st_netfd_t client_stfd)
 #endif
     } else if (type == SrsListenerHttpStream) {
 #ifdef SRS_AUTO_HTTP_SERVER
-        conn = new SrsHttpConn(this, client_stfd, &http_stream_mux->mux);
+        conn = new SrsStaticHttpConn(this, client_stfd, &http_stream_mux->mux);
 #else
         srs_warn("close http client for server not support http-server");
         srs_close_stfd(client_stfd);