RTMP: initial support added, powered by librtmp

librtmp is found at http://rtmpdump.mplayerhq.hu/

1 files changed, 267 insertions, 0 deletions

diff --git a/lib/curl_rtmp.c b/lib/curl_rtmp.c
new file mode 100644
index 000000000..4700719ba
--- /dev/null
+++ b/lib/curl_rtmp.c
@@ -0,0 +1,267 @@
+/***************************************************************************
+ *                      _   _ ____  _
+ *  Project         ___| | | |  _ \| |
+ *                 / __| | | | |_) | |
+ *                | (__| |_| |  _ <| |___
+ *                 \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "setup.h"
+
+#ifdef USE_LIBRTMP
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include <librtmp/rtmp.h>
+
+#ifdef _WIN32
+#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
+#define SET_RCVTIMEO(tv,s)   int tv = s*1000
+#else
+#define SET_RCVTIMEO(tv,s)   struct timeval tv = {s,0}
+#endif
+
+#define DEF_BUFTIME    (2*60*60*1000)    /* 2 hours */
+
+static CURLcode rtmp_setup(struct connectdata *conn);
+static CURLcode rtmp_do(struct connectdata *conn, bool *done);
+static CURLcode rtmp_done(struct connectdata *conn, CURLcode, bool premature);
+static CURLcode rtmp_connect(struct connectdata *conn, bool *done);
+static CURLcode rtmp_disconnect(struct connectdata *conn);
+
+static Curl_recv rtmp_recv;
+static Curl_send rtmp_send;
+
+/*
+ * RTMP protocol handler.h, based on http://rtmpdump.mplayerhq.hu
+ */
+
+const struct Curl_handler Curl_handler_rtmp = {
+  "RTMP",                               /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMP,                            /* defport */
+  PROT_RTMP                             /* protocol */
+};
+
+const struct Curl_handler Curl_handler_rtmpt = {
+  "RTMPT",                              /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMPT,                           /* defport */
+  PROT_RTMPT                            /* protocol */
+};
+
+const struct Curl_handler Curl_handler_rtmpe = {
+  "RTMPE",                              /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMP,                            /* defport */
+  PROT_RTMPE                            /* protocol */
+};
+
+const struct Curl_handler Curl_handler_rtmpte = {
+  "RTMPTE",                             /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMPT,                           /* defport */
+  PROT_RTMPTE                           /* protocol */
+};
+
+const struct Curl_handler Curl_handler_rtmps = {
+  "RTMPS",                              /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMPS,                           /* defport */
+  PROT_RTMPS                            /* protocol */
+};
+const struct Curl_handler Curl_handler_rtmpts = {
+  "RTMPTS",                             /* scheme */
+  rtmp_setup,                           /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  PORT_RTMPS,                           /* defport */
+  PROT_RTMPTS                           /* protocol */
+};
+
+static CURLcode rtmp_setup(struct connectdata *conn)
+{
+  int rc;
+  RTMP *r = RTMP_Alloc();
+
+  if (!r)
+    return CURLE_OUT_OF_MEMORY;
+
+  RTMP_Init(r);
+  RTMP_SetBufferMS(r, DEF_BUFTIME);
+  if (!RTMP_SetupURL(r, conn->data->change.url)) {
+    RTMP_Free(r);
+    return CURLE_URL_MALFORMAT;
+  }
+  conn->proto.generic = r;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_connect(struct connectdata *conn, bool *done)
+{
+  RTMP *r = conn->proto.generic;
+  SET_RCVTIMEO(tv,10);
+
+  r->m_sb.sb_socket = conn->sock[FIRSTSOCKET];
+
+  /* We have to know if it's a write before we send the
+   * connect request packet
+   */
+  if (conn->data->set.upload)
+    r->Link.protocol |= RTMP_FEATURE_WRITE;
+
+  /* For plain streams, use the buffer toggle trick to keep data flowing */
+  if (!(r->Link.lFlags & RTMP_LF_LIVE) && !(r->Link.protocol & RTMP_FEATURE_HTTP))
+    r->Link.lFlags |= RTMP_LF_BUFX;
+
+  curlx_nonblock(r->m_sb.sb_socket, FALSE);
+  setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(tv));
+
+  if (!RTMP_Connect1(r, NULL))
+    return CURLE_FAILED_INIT;
+
+  /* Clients must send a periodic BytesReceived report to the server */
+  r->m_bSendCounter = true;
+
+  *done = TRUE;
+  conn->recv[FIRSTSOCKET] = rtmp_recv;
+  conn->send[FIRSTSOCKET] = rtmp_send;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_do(struct connectdata *conn, bool *done)
+{
+  RTMP *r = conn->proto.generic;
+
+  if (!RTMP_ConnectStream(r, 0))
+    return CURLE_FAILED_INIT;
+
+  if (conn->data->set.upload) {
+    Curl_pgrsSetUploadSize(conn->data, conn->data->set.infilesize);
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+  } else
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
+  *done = TRUE;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_disconnect(struct connectdata *conn)
+{
+  RTMP *r = conn->proto.generic;
+  if (r) {
+    conn->proto.generic = NULL;
+    RTMP_Close(r);
+    RTMP_Free(r);
+  }
+  return CURLE_OK;
+}
+
+static ssize_t rtmp_recv(struct connectdata *conn, int sockindex, char *buf,
+                         size_t len, CURLcode *err)
+{
+  RTMP *r = conn->proto.generic;
+  ssize_t nread;
+
+  nread = RTMP_Read(r, buf, len);
+  if (nread < 0) {
+    if (r->m_read.status == RTMP_READ_COMPLETE ||
+        r->m_read.status == RTMP_READ_EOF) {
+      conn->data->req.size = conn->data->req.bytecount;
+      nread = 0;
+    } else
+      *err = CURLE_RECV_ERROR;
+  }
+  return nread;
+}
+
+static ssize_t rtmp_send(struct connectdata *conn, int sockindex,
+                         const void *buf, size_t len, CURLcode *err)
+{
+  RTMP *r = conn->proto.generic;
+  ssize_t num;
+
+  num = RTMP_Write(r, (char *)buf, len);
+  if (num < 0) {
+    *err = CURLE_SEND_ERROR;
+  }
+  return num;
+}
+#endif  /* USE_LIBRTMP */