--- /dev/null
+/*
+ * UDP prototype streaming system
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * 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 2.1 of the License, or (at your option) any later version.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file libavformat/udp.c
+ * UDP protocol
+ */
+
+#include "avformat.h"
+#include <unistd.h>
+#include "network.h"
+#include "os_support.h"
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#include <sys/time.h>
+
+#include <frsh.h>
+#include <frsh_core_types.h>
+
+long int udp_budget, udp_period;
+
+typedef struct {
+ int udp_fd;
+ int ttl;
+ int buffer_size;
+ int is_multicast;
+ int local_port;
+ int reuse_socket;
+ struct sockaddr_in dest_addr;
+ int dest_addr_len;
+
+ frsh_send_endpoint_t sepoint;
+ frsh_send_endpoint_t repoint;
+ frsh_vres_id_t vres;
+ frsh_send_endpoint_protocol_info_t send_pinfo;
+ frsh_contract_t contract;
+ frsh_contract_label_t label;
+ frsh_rel_time_t budget, period;
+} UDPContext;
+
+#define UDP_TX_BUF_SIZE 32768
+#define UDP_MAX_PKT_SIZE 65536
+
+static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr)
+{
+ return 0;
+}
+
+static int udp_join_multicast_group(int sockfd, struct sockaddr *addr)
+{
+ return 0;
+}
+
+static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr)
+{
+ return 0;
+}
+
+static int udp_set_url(struct sockaddr_in *addr, const char *hostname, int port)
+{
+ /* set the destination address */
+ if (resolve_host(&addr->sin_addr, hostname) < 0)
+ return AVERROR(EIO);
+ addr->sin_family = AF_INET;
+ addr->sin_port = htons(port);
+
+ return sizeof(struct sockaddr_in);
+}
+
+static int is_multicast_address(struct sockaddr_in *addr)
+{
+ return 0;
+}
+
+static int
+udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
+{
+ static long int netcont_num = 0;
+ int ret,udp_fd;
+ char netcont_name[20];
+
+ addr->sin_family = AF_INET;
+ addr->sin_addr.s_addr = htonl (INADDR_ANY);
+ addr->sin_port = htons(s->local_port);
+ *addr_len = sizeof(struct sockaddr_in);
+
+ /* set params for contract */
+ frsh_network_bytes_to_budget(FRSH_NETPF_FWP, udp_budget, &s->budget);
+ s->period = fosa_msec_to_rel_time(udp_period);
+ s->send_pinfo.body = NULL;
+
+ udp_fd = frsh_send_endpoint_create(FRSH_NETPF_FWP,
+ s->dest_addr.sin_addr.s_addr,
+ ntohs(s->dest_addr.sin_port), s->send_pinfo,
+ &s->sepoint);
+ if (udp_fd < 0) {
+
+ return -1;
+ }
+
+ /* Contract negotiation */
+ ret = frsh_contract_init(&s->contract);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_init");
+ if (ret) return -1;
+
+ ret = frsh_contract_set_basic_params(&s->contract,
+ &s->budget,
+ &s->period,
+ FRSH_WT_BOUNDED,
+ FRSH_CT_REGULAR);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
+ if (ret) return -1;
+ snprintf(netcont_name, sizeof(netcont_name), "ffmpeg%02d", ++netcont_num);
+ ret = frsh_contract_set_resource_and_label(&s->contract,FRSH_RT_NETWORK,
+ FRSH_NETPF_FWP,
+ s->label[0] ? s->label : netcont_name);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
+ if (ret) return -1;
+
+ ret = frsh_contract_negotiate(&s->contract, &s->vres);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate");
+ if (ret) return -1;
+
+ printf("Send endpoint created\n");
+ frsh_send_endpoint_bind(s->vres, s->sepoint);
+ printf("Send endpoint bounded\n");
+
+ //fwp_endpoint_get_params(s->sepoint->protocol_info.body, &node,
+ // &port, &attr, &fd);
+
+ return udp_fd;
+}
+
+static int udp_port(struct sockaddr_in *addr, int len)
+{
+ return ntohs(addr->sin_port);
+}
+
+/**
+ * If no filename is given to av_open_input_file because you want to
+ * get the local port first, then you must call this function to set
+ * the remote server address.
+ *
+ * url syntax: udp://host:port[?option=val...]
+ * option: 'ttl=n' : set the ttl value (for multicast only)
+ * 'localport=n' : set the local port
+ * 'pkt_size=n' : set max packet size
+ * 'reuse=1' : enable reusing the socket
+ *
+ * @param s1 media file context
+ * @param uri of the remote server
+ * @return zero if no error.
+ */
+int udp_set_remote_url(URLContext *h, const char *uri)
+{
+ UDPContext *s = h->priv_data;
+ char hostname[256];
+ int port;
+
+ url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
+
+ /* set the destination address */
+ s->dest_addr_len = udp_set_url(&s->dest_addr, hostname, port);
+ if (s->dest_addr_len < 0) {
+ return AVERROR(EIO);
+ }
+ s->is_multicast = is_multicast_address(&s->dest_addr);
+
+ return 0;
+}
+
+/**
+ * Return the local port used by the UDP connexion
+ * @param s1 media file context
+ * @return the local port number
+ */
+int udp_get_local_port(URLContext *h)
+{
+ UDPContext *s = h->priv_data;
+ return s->local_port;
+}
+
+/**
+ * Return the udp file handle for select() usage to wait for several RTP
+ * streams at the same time.
+ * @param h media file context
+ */
+#if (LIBAVFORMAT_VERSION_MAJOR >= 53)
+static
+#endif
+int udp_get_file_handle(URLContext *h)
+{
+ UDPContext *s = h->priv_data;
+ return s->udp_fd;
+}
+
+/* put it in UDP context */
+/* return non zero if error */
+static int udp_open(URLContext *h, const char *uri, int flags)
+{
+ char hostname[1024];
+ int port, udp_fd = -1, tmp;
+ UDPContext *s = NULL;
+ int is_output;
+ const char *p;
+ char buf[256];
+ struct sockaddr_in my_addr;
+ int len;
+
+ h->is_streamed = 1;
+ h->max_packet_size = 1472;
+
+ is_output = (flags & URL_WRONLY);
+
+ if(!ff_network_init())
+ return AVERROR(EIO);
+
+ s = av_mallocz(sizeof(UDPContext));
+ if (!s)
+ return AVERROR(ENOMEM);
+
+ h->priv_data = s;
+ s->ttl = 16;
+ s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_MAX_PKT_SIZE;
+
+ p = strchr(uri, '?');
+ if (p) {
+ s->reuse_socket = find_info_tag(buf, sizeof(buf), "reuse", p);
+ if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
+ s->ttl = strtol(buf, NULL, 10);
+ }
+ if (find_info_tag(buf, sizeof(buf), "localport", p)) {
+ s->local_port = strtol(buf, NULL, 10);
+ }
+ if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
+ h->max_packet_size = strtol(buf, NULL, 10);
+ }
+ if (find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
+ s->buffer_size = strtol(buf, NULL, 10);
+ }
+ if (!find_info_tag(s->label, sizeof(s->label),
+ "contract_label", p)) {
+ s->label[0]=0;
+ }
+ }
+
+ /* fill the dest addr */
+ url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
+
+ /* XXX: fix url_split */
+ if (hostname[0] == '\0' || hostname[0] == '?') {
+ /* only accepts null hostname if input */
+ if (flags & URL_WRONLY)
+ goto fail;
+ } else {
+ udp_set_remote_url(h, uri);
+ }
+
+ udp_fd = udp_socket_create(s, &my_addr, &len);
+ if (udp_fd < 0)
+ goto fail;
+#if 0
+ if (s->reuse_socket)
+ if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
+ goto fail;
+
+ /* bind to the local address if not multicast or if the multicast
+ * bind failed */
+ /*if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0)
+ goto fail;*/
+#endif
+
+ len = sizeof(my_addr);
+ getsockname(udp_fd, (struct sockaddr *)&my_addr, &len);
+ s->local_port = udp_port(&my_addr, len);
+
+ if (is_output) {
+ /* limit the tx buf size to limit latency */
+ tmp = s->buffer_size;
+ if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(SO_SNDBUF): %s\n", strerror(errno));
+ goto fail;
+ }
+ } else {
+ /* set udp recv buffer size to the largest possible udp packet size to
+ * avoid losing data on OSes that set this too low by default. */
+ tmp = s->buffer_size;
+ if (setsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp)) < 0) {
+ av_log(NULL, AV_LOG_WARNING, "setsockopt(SO_RECVBUF): %s\n", strerror(errno));
+ }
+ /* make the socket non-blocking */
+ ff_socket_nonblock(udp_fd, 1);
+ }
+ s->udp_fd = udp_fd;
+ return 0;
+
+ fail:
+ if (udp_fd >= 0)
+ closesocket(udp_fd);
+ av_free(s);
+ return AVERROR(EIO);
+}
+
+static int udp_read(URLContext *h, uint8_t *buf, int size)
+{
+ UDPContext *s = h->priv_data;
+ unsigned int from;
+ int len;
+
+ return frsh_receive_sync(s->repoint, buf, size, &len, &from);
+}
+
+static int udp_write(URLContext *h, uint8_t *buf, int size)
+{
+ UDPContext *s = h->priv_data;
+ int ret;
+
+ ret = frsh_send_async(s->sepoint, buf, size);
+ return ret;
+}
+
+static int udp_close(URLContext *h)
+{
+ UDPContext *s = h->priv_data;
+ int ret;
+
+ frsh_send_endpoint_unbind(s->sepoint);
+ ret = frsh_contract_cancel(s->vres);
+ return ret;
+}
+
+URLProtocol udp_protocol = {
+ "udp",
+ udp_open,
+ udp_read,
+ udp_write,
+ NULL, /* seek */
+ udp_close,
+ .url_get_file_handle = udp_get_file_handle,
+};
#endif
#include <sys/time.h>
-#include <frsh.h>
-#include <frsh_core_types.h>
-
-long int udp_budget, udp_period;
+#ifndef IPV6_ADD_MEMBERSHIP
+#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#endif
+#ifndef IN_MULTICAST
+#define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
+#endif
+#ifndef IN6_IS_ADDR_MULTICAST
+#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
+#endif
typedef struct {
int udp_fd;
int is_multicast;
int local_port;
int reuse_socket;
+#if !CONFIG_IPV6
struct sockaddr_in dest_addr;
+#else
+ struct sockaddr_storage dest_addr;
+#endif
int dest_addr_len;
-
- frsh_send_endpoint_t sepoint;
- frsh_send_endpoint_t repoint;
- frsh_vres_id_t vres;
- frsh_send_endpoint_protocol_info_t send_pinfo;
- frsh_contract_t contract;
- frsh_contract_label_t label;
- frsh_rel_time_t budget, period;
} UDPContext;
#define UDP_TX_BUF_SIZE 32768
#define UDP_MAX_PKT_SIZE 65536
-static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr)
-{
+static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
+#ifdef IP_MULTICAST_TTL
+ if (addr->sa_family == AF_INET) {
+ if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
+#if CONFIG_IPV6
+ if (addr->sa_family == AF_INET6) {
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
return 0;
}
-static int udp_join_multicast_group(int sockfd, struct sockaddr *addr)
-{
+static int udp_join_multicast_group(int sockfd, struct sockaddr *addr) {
+#ifdef IP_ADD_MEMBERSHIP
+ if (addr->sa_family == AF_INET) {
+ struct ip_mreq mreq;
+
+ mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
+ mreq.imr_interface.s_addr= INADDR_ANY;
+ if (setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_MEMBERSHIP): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
+#if CONFIG_IPV6
+ if (addr->sa_family == AF_INET6) {
+ struct ipv6_mreq mreq6;
+
+ memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ mreq6.ipv6mr_interface= 0;
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_ADD_MEMBERSHIP): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
+ return 0;
+}
+
+static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr) {
+#ifdef IP_DROP_MEMBERSHIP
+ if (addr->sa_family == AF_INET) {
+ struct ip_mreq mreq;
+
+ mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
+ mreq.imr_interface.s_addr= INADDR_ANY;
+ if (setsockopt(sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_DROP_MEMBERSHIP): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
+#if CONFIG_IPV6
+ if (addr->sa_family == AF_INET6) {
+ struct ipv6_mreq mreq6;
+
+ memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ mreq6.ipv6mr_interface= 0;
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_DROP_MEMBERSHIP): %s\n", strerror(errno));
+ return -1;
+ }
+ }
+#endif
return 0;
}
-static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr)
+#if CONFIG_IPV6
+static struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type, int family, int flags) {
+ struct addrinfo hints, *res = 0;
+ int error;
+ char sport[16];
+ const char *node = 0, *service = "0";
+
+ if (port > 0) {
+ snprintf(sport, sizeof(sport), "%d", port);
+ service = sport;
+ }
+ if ((hostname) && (hostname[0] != '\0') && (hostname[0] != '?')) {
+ node = hostname;
+ }
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = type;
+ hints.ai_family = family;
+ hints.ai_flags = flags;
+ if ((error = getaddrinfo(node, service, &hints, &res))) {
+ av_log(NULL, AV_LOG_ERROR, "udp_ipv6_resolve_host: %s\n", gai_strerror(error));
+ }
+
+ return res;
+}
+
+static int udp_set_url(struct sockaddr_storage *addr, const char *hostname, int port) {
+ struct addrinfo *res0;
+ int addr_len;
+
+ res0 = udp_ipv6_resolve_host(hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
+ if (res0 == 0) return AVERROR(EIO);
+ memcpy(addr, res0->ai_addr, res0->ai_addrlen);
+ addr_len = res0->ai_addrlen;
+ freeaddrinfo(res0);
+
+ return addr_len;
+}
+
+static int is_multicast_address(struct sockaddr_storage *addr)
{
+ if (addr->ss_family == AF_INET) {
+ return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr));
+ }
+ if (addr->ss_family == AF_INET6) {
+ return IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6 *)addr)->sin6_addr);
+ }
+
return 0;
}
+static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr, int *addr_len)
+{
+ int udp_fd = -1;
+ struct addrinfo *res0 = NULL, *res = NULL;
+ int family = AF_UNSPEC;
+
+ if (((struct sockaddr *) &s->dest_addr)->sa_family)
+ family = ((struct sockaddr *) &s->dest_addr)->sa_family;
+ res0 = udp_ipv6_resolve_host(0, s->local_port, SOCK_DGRAM, family, AI_PASSIVE);
+ if (res0 == 0)
+ goto fail;
+ for (res = res0; res; res=res->ai_next) {
+ udp_fd = socket(res->ai_family, SOCK_DGRAM, 0);
+ if (udp_fd > 0) break;
+ av_log(NULL, AV_LOG_ERROR, "socket: %s\n", strerror(errno));
+ }
+
+ if (udp_fd < 0)
+ goto fail;
+
+ memcpy(addr, res->ai_addr, res->ai_addrlen);
+ *addr_len = res->ai_addrlen;
+
+ freeaddrinfo(res0);
+
+ return udp_fd;
+
+ fail:
+ if (udp_fd >= 0)
+ closesocket(udp_fd);
+ if(res0)
+ freeaddrinfo(res0);
+ return -1;
+}
+
+static int udp_port(struct sockaddr_storage *addr, int addr_len)
+{
+ char sbuf[sizeof(int)*3+1];
+
+ if (getnameinfo((struct sockaddr *)addr, addr_len, NULL, 0, sbuf, sizeof(sbuf), NI_NUMERICSERV) != 0) {
+ av_log(NULL, AV_LOG_ERROR, "getnameinfo: %s\n", strerror(errno));
+ return -1;
+ }
+
+ return strtol(sbuf, NULL, 10);
+}
+
+#else
+
static int udp_set_url(struct sockaddr_in *addr, const char *hostname, int port)
{
/* set the destination address */
static int is_multicast_address(struct sockaddr_in *addr)
{
- return 0;
+ return IN_MULTICAST(ntohl(addr->sin_addr.s_addr));
}
-static int
-udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
+static int udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
{
- static long int netcont_num = 0;
- int ret,udp_fd;
- char netcont_name[20];
+ int fd;
+
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd < 0)
+ return -1;
addr->sin_family = AF_INET;
addr->sin_addr.s_addr = htonl (INADDR_ANY);
addr->sin_port = htons(s->local_port);
*addr_len = sizeof(struct sockaddr_in);
- /* set params for contract */
- frsh_network_bytes_to_budget(FRSH_NETPF_FWP, udp_budget, &s->budget);
- s->period = fosa_msec_to_rel_time(udp_period);
- s->send_pinfo.body = NULL;
-
- udp_fd = frsh_send_endpoint_create(FRSH_NETPF_FWP,
- s->dest_addr.sin_addr.s_addr,
- ntohs(s->dest_addr.sin_port), s->send_pinfo,
- &s->sepoint);
- if (udp_fd < 0) {
-
- return -1;
- }
-
- /* Contract negotiation */
- ret = frsh_contract_init(&s->contract);
- //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_init");
- if (ret) return -1;
-
- ret = frsh_contract_set_basic_params(&s->contract,
- &s->budget,
- &s->period,
- FRSH_WT_BOUNDED,
- FRSH_CT_REGULAR);
- //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
- if (ret) return -1;
- snprintf(netcont_name, sizeof(netcont_name), "ffmpeg%02d", ++netcont_num);
- ret = frsh_contract_set_resource_and_label(&s->contract,FRSH_RT_NETWORK,
- FRSH_NETPF_FWP,
- s->label[0] ? s->label : netcont_name);
- //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
- if (ret) return -1;
-
- ret = frsh_contract_negotiate(&s->contract, &s->vres);
- //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate");
- if (ret) return -1;
-
- printf("Send endpoint created\n");
- frsh_send_endpoint_bind(s->vres, s->sepoint);
- printf("Send endpoint bounded\n");
-
- //fwp_endpoint_get_params(s->sepoint->protocol_info.body, &node,
- // &port, &attr, &fd);
-
- return udp_fd;
+ return fd;
}
static int udp_port(struct sockaddr_in *addr, int len)
{
return ntohs(addr->sin_port);
}
+#endif /* CONFIG_IPV6 */
+
/**
* If no filename is given to av_open_input_file because you want to
static int udp_open(URLContext *h, const char *uri, int flags)
{
char hostname[1024];
- int port, udp_fd = -1, tmp;
+ int port, udp_fd = -1, tmp, bind_ret = -1;
UDPContext *s = NULL;
int is_output;
const char *p;
char buf[256];
+#if !CONFIG_IPV6
struct sockaddr_in my_addr;
+#else
+ struct sockaddr_storage my_addr;
+#endif
int len;
h->is_streamed = 1;
if (find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
s->buffer_size = strtol(buf, NULL, 10);
}
- if (!find_info_tag(s->label, sizeof(s->label),
- "contract_label", p)) {
- s->label[0]=0;
- }
}
/* fill the dest addr */
udp_set_remote_url(h, uri);
}
+ if (s->is_multicast && !(h->flags & URL_WRONLY))
+ s->local_port = port;
udp_fd = udp_socket_create(s, &my_addr, &len);
if (udp_fd < 0)
goto fail;
-#if 0
+
if (s->reuse_socket)
if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
goto fail;
+ /* the bind is needed to give a port to the socket now */
+ /* if multicast, try the multicast address bind first */
+ if (s->is_multicast && !(h->flags & URL_WRONLY)) {
+ bind_ret = bind(udp_fd,(struct sockaddr *)&s->dest_addr, len);
+ }
/* bind to the local address if not multicast or if the multicast
* bind failed */
- /*if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0)
- goto fail;*/
-#endif
+ if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0)
+ goto fail;
len = sizeof(my_addr);
getsockname(udp_fd, (struct sockaddr *)&my_addr, &len);
s->local_port = udp_port(&my_addr, len);
+ if (s->is_multicast) {
+ if (h->flags & URL_WRONLY) {
+ /* output */
+ if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
+ goto fail;
+ } else {
+ /* input */
+ if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr) < 0)
+ goto fail;
+ }
+ }
+
if (is_output) {
/* limit the tx buf size to limit latency */
tmp = s->buffer_size;
/* make the socket non-blocking */
ff_socket_nonblock(udp_fd, 1);
}
+
s->udp_fd = udp_fd;
return 0;
-
fail:
if (udp_fd >= 0)
closesocket(udp_fd);
static int udp_read(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
- unsigned int from;
- int len;
-
- return frsh_receive_sync(s->repoint, buf, size, &len, &from);
+ int len;
+ fd_set rfds;
+ int ret;
+ struct timeval tv;
+
+ for(;;) {
+ if (url_interrupt_cb())
+ return AVERROR(EINTR);
+ FD_ZERO(&rfds);
+ FD_SET(s->udp_fd, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ ret = select(s->udp_fd + 1, &rfds, NULL, NULL, &tv);
+ if (ret < 0)
+ return AVERROR(EIO);
+ if (!(ret > 0 && FD_ISSET(s->udp_fd, &rfds)))
+ continue;
+ len = recv(s->udp_fd, buf, size, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
+ return AVERROR(EIO);
+ } else {
+ break;
+ }
+ }
+ return len;
}
static int udp_write(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
int ret;
-
- ret = frsh_send_async(s->sepoint, buf, size);
- return ret;
+
+ for(;;) {
+ ret = sendto (s->udp_fd, buf, size, 0,
+ (struct sockaddr *) &s->dest_addr,
+ s->dest_addr_len);
+ if (ret < 0) {
+ if (ff_neterrno() != FF_NETERROR(EINTR) &&
+ ff_neterrno() != FF_NETERROR(EAGAIN))
+ return AVERROR(EIO);
+ } else {
+ break;
+ }
+ }
+ return size;
}
static int udp_close(URLContext *h)
{
UDPContext *s = h->priv_data;
- int ret;
-
- frsh_send_endpoint_unbind(s->sepoint);
- ret = frsh_contract_cancel(s->vres);
- return ret;
+
+ if (s->is_multicast && !(h->flags & URL_WRONLY))
+ udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
+ closesocket(s->udp_fd);
+ ff_network_close();
+ av_free(s);
+ return 0;
}
URLProtocol udp_protocol = {
projects / frescor / ffmpeg.git / commitdiff