* TCP protocol
* Copyright (c) 2002 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
#include <unistd.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#ifndef __BEOS__
-# include <arpa/inet.h>
-#else
-# include "barpainet.h"
-#endif
-#include <netdb.h>
+#include "network.h"
+#include "os_support.h"
+#include <sys/time.h>
typedef struct TCPContext {
int fd;
} TCPContext;
-/* resolve host with also IP address parsing */
-int resolve_host(struct in_addr *sin_addr, const char *hostname)
-{
- struct hostent *hp;
-
- if ((inet_aton(hostname, sin_addr)) == 0) {
- hp = gethostbyname(hostname);
- if (!hp)
- return -1;
- memcpy (sin_addr, hp->h_addr, sizeof(struct in_addr));
- }
- return 0;
-}
-
/* return non zero if error */
static int tcp_open(URLContext *h, const char *uri, int flags)
{
struct sockaddr_in dest_addr;
char hostname[1024], *q;
int port, fd = -1;
- TCPContext *s;
- const char *p;
+ TCPContext *s = NULL;
+ fd_set wfds;
+ int fd_max, ret;
+ struct timeval tv;
+ socklen_t optlen;
+ char proto[1024],path[1024],tmp[1024]; // PETR: protocol and path strings
+
+ url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
+ &port, path, sizeof(path), uri); // PETR: use url_split
+ if (strcmp(proto,"tcp")) goto fail; // PETR: check protocol
+ if ((q = strchr(hostname,'@'))) { strcpy(tmp,q+1); strcpy(hostname,tmp); } // PETR: take only the part after '@' for tcp protocol
s = av_malloc(sizeof(TCPContext));
if (!s)
- return -ENOMEM;
+ return AVERROR(ENOMEM);
h->priv_data = s;
- p = uri;
- if (!strstart(p, "tcp://", &p))
- goto fail;
- q = hostname;
- while (*p != ':' && *p != '/' && *p != '\0') {
- if ((q - hostname) < sizeof(hostname) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
- if (*p != ':')
- goto fail;
- p++;
- port = strtoul(p, (char **)&p, 10);
+ h->is_streamed = 1;
+
if (port <= 0 || port >= 65536)
goto fail;
-
+
+ if(!ff_network_init())
+ return AVERROR(EIO);
+
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(port);
if (resolve_host(&dest_addr.sin_addr, hostname) < 0)
goto fail;
- fd = socket(PF_INET, SOCK_STREAM, 0);
+ fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
goto fail;
+ ff_socket_nonblock(fd, 1);
- if (connect(fd, (struct sockaddr *)&dest_addr,
- sizeof(dest_addr)) < 0)
- goto fail;
+ redo:
+ ret = connect(fd, (struct sockaddr *)&dest_addr,
+ sizeof(dest_addr));
+ if (ret < 0) {
+ if (ff_neterrno() == FF_NETERROR(EINTR))
+ goto redo;
+ if (ff_neterrno() != FF_NETERROR(EINPROGRESS) &&
+ ff_neterrno() != FF_NETERROR(EAGAIN))
+ goto fail;
+
+ /* wait until we are connected or until abort */
+ for(;;) {
+ if (url_interrupt_cb()) {
+ ret = AVERROR(EINTR);
+ goto fail1;
+ }
+ fd_max = fd;
+ FD_ZERO(&wfds);
+ FD_SET(fd, &wfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
+ if (ret > 0 && FD_ISSET(fd, &wfds))
+ break;
+ }
+ /* test error */
+ optlen = sizeof(ret);
+ getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
+ if (ret != 0)
+ goto fail;
+ }
s->fd = fd;
return 0;
fail:
+ ret = AVERROR(EIO);
+ fail1:
if (fd >= 0)
- close(fd);
+ closesocket(fd);
av_free(s);
- return -EIO;
+ return ret;
}
static int tcp_read(URLContext *h, uint8_t *buf, int size)
{
TCPContext *s = h->priv_data;
- int size1, len;
+ int len, fd_max, ret;
+ fd_set rfds;
+ struct timeval tv;
- size1 = size;
- while (size > 0) {
-#ifdef CONFIG_BEOS_NETSERVER
- len = recv (s->fd, buf, size, 0);
-#else
- len = read (s->fd, buf, size);
-#endif
- if (len < 0) {
- if (errno != EINTR && errno != EAGAIN)
-#ifdef __BEOS__
- return errno;
-#else
- return -errno;
-#endif
- else
- continue;
- } else if (len == 0) {
- break;
+ for (;;) {
+ if (url_interrupt_cb())
+ return AVERROR(EINTR);
+ fd_max = s->fd;
+ FD_ZERO(&rfds);
+ FD_SET(s->fd, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ ret = select(fd_max + 1, &rfds, NULL, NULL, &tv);
+ if (ret > 0 && FD_ISSET(s->fd, &rfds)) {
+ len = recv(s->fd, buf, size, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EINTR) &&
+ ff_neterrno() != FF_NETERROR(EAGAIN))
+ return AVERROR(errno);
+ } else return len;
+ } else if (ret < 0) {
+ return -1;
}
- size -= len;
- buf += len;
}
- return size1 - size;
}
static int tcp_write(URLContext *h, uint8_t *buf, int size)
{
TCPContext *s = h->priv_data;
- int ret, size1;
+ int ret, size1, fd_max, len;
+ fd_set wfds;
+ struct timeval tv;
size1 = size;
while (size > 0) {
-#ifdef CONFIG_BEOS_NETSERVER
- ret = send (s->fd, buf, size, 0);
-#else
- ret = write (s->fd, buf, size);
-#endif
- if (ret < 0 && errno != EINTR && errno != EAGAIN)
-#ifdef __BEOS__
- return errno;
-#else
- return -errno;
-#endif
- size -= ret;
- buf += ret;
+ if (url_interrupt_cb())
+ return AVERROR(EINTR);
+ fd_max = s->fd;
+ FD_ZERO(&wfds);
+ FD_SET(s->fd, &wfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
+ if (ret > 0 && FD_ISSET(s->fd, &wfds)) {
+ len = send(s->fd, buf, size, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EINTR) &&
+ ff_neterrno() != FF_NETERROR(EAGAIN))
+ return AVERROR(errno);
+ continue;
+ }
+ size -= len;
+ buf += len;
+ } else if (ret < 0) {
+ return -1;
+ }
}
return size1 - size;
}
static int tcp_close(URLContext *h)
{
TCPContext *s = h->priv_data;
-#ifdef CONFIG_BEOS_NETSERVER
closesocket(s->fd);
-#else
- close(s->fd);
-#endif
+ ff_network_close();
av_free(s);
return 0;
}