Move the functions in h264pred.c into a new file h264pred_internal.h.

[ffmpeg] / libavformat / tcp.c

diff --git a/libavformat/tcp.c b/libavformat/tcp.c
index ac4e4b09db1df30f2e6938ffa8b8a6a4250bd43f..57be430c23599cad9a53299ef6484900e60784f8 100644 (file)
--- a/libavformat/tcp.c
+++ b/libavformat/tcp.c
@@ -19,10 +19,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "avformat.h"
+#include "libavutil/parseutils.h"
 #include <unistd.h>
 #include "internal.h"
 #include "network.h"
 #include "os_support.h"
+#include "url.h"
 #if HAVE_POLL_H
 #include <poll.h>
 #endif
@@ -38,6 +40,9 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
     struct addrinfo hints, *ai, *cur_ai;
     int port, fd = -1;
     TCPContext *s = NULL;
+    int listen_socket = 0;
+    const char *p;
+    char buf[256];
     int ret;
     socklen_t optlen;
     char hostname[1024],proto[1024],path[1024];
@@ -48,6 +53,11 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
     if (strcmp(proto,"tcp") || port <= 0 || port >= 65536)
         return AVERROR(EINVAL);
 
+    p = strchr(uri, '?');
+    if (p) {
+        if (av_find_info_tag(buf, sizeof(buf), "listen", p))
+            listen_socket = 1;
+    }
     memset(&hints, 0, sizeof(hints));
     hints.ai_family = AF_UNSPEC;
     hints.ai_socktype = SOCK_STREAM;
@@ -66,30 +76,50 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
     fd = socket(cur_ai->ai_family, cur_ai->ai_socktype, cur_ai->ai_protocol);
     if (fd < 0)
         goto fail;
-    ff_socket_nonblock(fd, 1);
 
+    if (listen_socket) {
+        int fd1;
+        ret = bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
+        listen(fd, 1);
+        fd1 = accept(fd, NULL, NULL);
+        closesocket(fd);
+        fd = fd1;
+    } else {
  redo:
-    ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
+        ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
+    }
+
+    ff_socket_nonblock(fd, 1);
+
     if (ret < 0) {
+        int timeout=50;
         struct pollfd p = {fd, POLLOUT, 0};
-        if (ff_neterrno() == FF_NETERROR(EINTR)) {
-            if (url_interrupt_cb())
+        if (ff_neterrno() == AVERROR(EINTR)) {
+            if (url_interrupt_cb()) {
+                ret = AVERROR_EXIT;
                 goto fail1;
+            }
             goto redo;
         }
-        if (ff_neterrno() != FF_NETERROR(EINPROGRESS) &&
-            ff_neterrno() != FF_NETERROR(EAGAIN))
+        if (ff_neterrno() != AVERROR(EINPROGRESS) &&
+            ff_neterrno() != AVERROR(EAGAIN))
             goto fail;
 
         /* wait until we are connected or until abort */
         for(;;) {
             if (url_interrupt_cb()) {
-                ret = AVERROR(EINTR);
+                ret = AVERROR_EXIT;
                 goto fail1;
             }
             ret = poll(&p, 1, 100);
             if (ret > 0)
                 break;
+            if(!--timeout){
+                av_log(NULL, AV_LOG_ERROR,
+                    "TCP open %s:%d timeout\n",
+                    hostname, port);
+                goto fail;
+            }
         }
 
         /* test error */
@@ -132,56 +162,29 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
 static int tcp_read(URLContext *h, uint8_t *buf, int size)
 {
     TCPContext *s = h->priv_data;
-    struct pollfd p = {s->fd, POLLIN, 0};
-    int len, ret;
-
-    for (;;) {
-        if (url_interrupt_cb())
-            return AVERROR(EINTR);
-        ret = poll(&p, 1, 100);
-        if (ret == 1 && p.revents & POLLIN) {
-            len = recv(s->fd, buf, size, 0);
-            if (len < 0) {
-                if (ff_neterrno() != FF_NETERROR(EINTR) &&
-                    ff_neterrno() != FF_NETERROR(EAGAIN))
-                    return ff_neterrno();
-            } else return len;
-        } else if (ret < 0) {
-            if (ff_neterrno() == FF_NETERROR(EINTR))
-                continue;
-            return -1;
-        }
+    int ret;
+
+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
+        ret = ff_network_wait_fd(s->fd, 0);
+        if (ret < 0)
+            return ret;
     }
+    ret = recv(s->fd, buf, size, 0);
+    return ret < 0 ? ff_neterrno() : ret;
 }
 
 static int tcp_write(URLContext *h, const uint8_t *buf, int size)
 {
     TCPContext *s = h->priv_data;
-    int ret, size1, len;
-    struct pollfd p = {s->fd, POLLOUT, 0};
-
-    size1 = size;
-    while (size > 0) {
-        if (url_interrupt_cb())
-            return AVERROR(EINTR);
-        ret = poll(&p, 1, 100);
-        if (ret == 1 && p.revents & POLLOUT) {
-            len = send(s->fd, buf, size, 0);
-            if (len < 0) {
-                if (ff_neterrno() != FF_NETERROR(EINTR) &&
-                    ff_neterrno() != FF_NETERROR(EAGAIN))
-                    return ff_neterrno();
-                continue;
-            }
-            size -= len;
-            buf += len;
-        } else if (ret < 0) {
-            if (ff_neterrno() == FF_NETERROR(EINTR))
-                continue;
-            return -1;
-        }
+    int ret;
+
+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
+        ret = ff_network_wait_fd(s->fd, 1);
+        if (ret < 0)
+            return ret;
     }
-    return size1 - size;
+    ret = send(s->fd, buf, size, 0);
+    return ret < 0 ? ff_neterrno() : ret;
 }
 
 static int tcp_close(URLContext *h)
@@ -199,11 +202,10 @@ static int tcp_get_file_handle(URLContext *h)
 }
 
 URLProtocol ff_tcp_protocol = {
-    "tcp",
-    tcp_open,
-    tcp_read,
-    tcp_write,
-    NULL, /* seek */
-    tcp_close,
+    .name                = "tcp",
+    .url_open            = tcp_open,
+    .url_read            = tcp_read,
+    .url_write           = tcp_write,
+    .url_close           = tcp_close,
     .url_get_file_handle = tcp_get_file_handle,
 };