From 21c026d2365ae78364b7bfe87390db7e95382ebc Mon Sep 17 00:00:00 2001 From: bertrand Date: Wed, 26 Mar 2003 11:35:13 +0000 Subject: Added IPv6 support, patch by Dave Lambley git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9692 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/network.c | 142 +++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 121 insertions(+), 21 deletions(-) (limited to 'libmpdemux') diff --git a/libmpdemux/network.c b/libmpdemux/network.c index b5255cd2e2..696a746491 100644 --- a/libmpdemux/network.c +++ b/libmpdemux/network.c @@ -44,6 +44,10 @@ char *network_username=NULL; char *network_password=NULL; int network_bandwidth=0; +/* IPv6 options */ +int network_prefer_ipv4 = 0; +int network_ipv4_only_proxy = 0; + static struct { char *mime_type; @@ -151,49 +155,112 @@ read_rtp_from_server(int fd, char *buffer, int length) { } #endif -// Connect to a server using a TCP connection + +// Converts an address family constant to a string + +char *af2String(int af) { + switch (af) { + case AF_INET: return "AF_INET"; + +#ifdef HAVE_AF_INET6 + case AF_INET6: return "AF_INET6"; +#endif + default: return "Unknown address family!"; + } +} + + + +// Connect to a server using a TCP connection, with specified address family // return -2 for fatal error, like unable to resolve name, connection timeout... // return -1 is unable to connect to a particular port + int -connect2Server(char *host, int port) { +connect2Server_with_af(char *host, int port, int af) { int socket_server_fd; int err, err_len; int ret,count = 0; fd_set set; struct timeval tv; - struct sockaddr_in server_address; + union { + struct sockaddr_in four; +#ifdef HAVE_AF_INET6 + struct sockaddr_in6 six; +#endif + } server_address; + size_t server_address_size; + void *our_s_addr; // Pointer to sin_addr or sin6_addr struct hostent *hp=NULL; - - socket_server_fd = socket(AF_INET, SOCK_STREAM, 0); + char buf[255]; + + socket_server_fd = socket(af, SOCK_STREAM, 0); + + if( socket_server_fd==-1 ) { - mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create socket\n"); + mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create %s socket:\n", af2String(af)); return -2; } - if( isalpha(host[0]) ) { - mp_msg(MSGT_NETWORK,MSGL_STATUS,"Resolving %s ...\n", host ); + switch (af) { + case AF_INET: our_s_addr = (void *) &server_address.four.sin_addr; break; +#ifdef HAVE_AF_INET6 + case AF_INET6: our_s_addr = (void *) &server_address.six.sin6_addr; break; +#endif + default: + mp_msg(MSGT_NETWORK,MSGL_ERR, "Unknown address family %d:\n", af); + return -2; + } + + + bzero(&server_address, sizeof(server_address)); + +#ifdef USE_ATON + if (inet_aton(host, our_s_addr)!=1) +#else + if (inet_pton(af, host, our_s_addr)!=1) +#endif + { + mp_msg(MSGT_NETWORK,MSGL_STATUS,"Resolving %s for %s...\n", host, af2String(af)); + +#ifdef HAVE_GETHOSTBYNAME2 + hp=(struct hostent*)gethostbyname2( host, af ); +#else hp=(struct hostent*)gethostbyname( host ); +#endif if( hp==NULL ) { - mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", host); + mp_msg(MSGT_NETWORK,MSGL_ERR,"Couldn't resolve name for %s: %s\n", af2String(af), host); return -2; } - memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length ); - } else { - inet_pton(AF_INET, host, &server_address.sin_addr); + + memcpy( our_s_addr, (void*)hp->h_addr, hp->h_length ); } - server_address.sin_family=AF_INET; - server_address.sin_port=htons(port); - // Turn the socket as non blocking so we can timeout on the connection - if( isalpha(host[0]) && hp!=NULL ) { - mp_msg(MSGT_NETWORK,MSGL_STATUS,"Connecting to server %s[%d.%d.%d.%d]:%d ...\n", host, (hp->h_addr_list[0][0])&0xff, (hp->h_addr_list[0][1])&0xff, (hp->h_addr_list[0][2])&0xff, (hp->h_addr_list[0][3])&0xff, port ); - } else { - mp_msg(MSGT_NETWORK,MSGL_STATUS,"Connecting to server %s:%d ...\n", host, port ); + switch (af) { + case AF_INET: + server_address.four.sin_family=af; + server_address.four.sin_port=htons(port); + server_address_size = sizeof(server_address.four); + break; +#ifdef HAVE_AF_INET6 + case AF_INET6: + server_address.six.sin6_family=af; + server_address.six.sin6_port=htons(port); + server_address_size = sizeof(server_address.six); + break; +#endif + default: + mp_msg(MSGT_NETWORK,MSGL_ERR, "Unknown address family %d:\n", af); + return -2; } + + inet_ntop(af, our_s_addr, buf, 255); + mp_msg(MSGT_NETWORK,MSGL_STATUS,"Connecting to server %s[%s]:%d ...\n", host, buf , port ); + + // Turn the socket as non blocking so we can timeout on the connection fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) | O_NONBLOCK ); - if( connect( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) { + if( connect( socket_server_fd, (struct sockaddr*)&server_address, server_address_size )==-1 ) { if( errno!=EINPROGRESS ) { - mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server\n"); + mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server with %s\n", af2String(af)); close(socket_server_fd); return -1; } @@ -233,9 +300,34 @@ connect2Server(char *host, int port) { mp_msg(MSGT_NETWORK,MSGL_ERR,"Connect error : %s\n",strerror(err)); return -1; } + return socket_server_fd; } +// Connect to a server using a TCP connection +// return -2 for fatal error, like unable to resolve name, connection timeout... +// return -1 is unable to connect to a particular port + + +int +connect2Server(char *host, int port) { +#ifdef HAVE_AF_INET6 + int r; + int s = -2; + + r = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET:AF_INET6); + if (r > -1) return r; + + s = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET6:AF_INET); + if (s == -2) return r; + return s; +#else + return connect2Server_with_af(host, port, AF_INET); +#endif + + +} + URL_t* check4proxies( URL_t *url ) { URL_t *url_out = NULL; @@ -260,6 +352,14 @@ check4proxies( URL_t *url ) { mp_msg(MSGT_NETWORK,MSGL_WARN,"Invalid proxy setting...Trying without proxy.\n"); return url_out; } + +#ifdef HAVE_AF_INET6 + if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) { + mp_msg(MSGT_NETWORK,MSGL_WARN, + "Could not find resolve remote hostname for AF_INET. Trying without proxy.\n"); + return url_out; + } +#endif mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url ); len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20; // 20 = http_proxy:// + port -- cgit v1.2.3