aniani/icecast-server
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non-blocking setting on win32 broke with previous patch. Add optional xml setting for

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specifying the TCP send buffer size, it seems that on at least some win32 systems,
the window size stays at 8k (even with registry settings) which could limit available
streaming bandwidth.

svn path=/icecast/trunk/icecast/; revision=15766
This commit is contained in:
Karl Heyes 2009-03-14 16:05:12 +00:00
parent 1ab9b4a887
commit d784622396
5 changed files with 21 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/cfgfile.c
View File

@ -821,6 +821,11 @@ static void _parse_listen_socket(xmlDocPtr doc, xmlNodePtr node,
listener->bind_address = (char *)xmlNodeListGetString(doc,
node->xmlChildrenNode, 1);
}
else if (xmlStrcmp (node->name, XMLSTR("so-sndbuf")) == 0) {
tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
listener->so_sndbuf = atoi(tmp);
if(tmp) xmlFree(tmp);
}
} while ((node = node->next));
/* we know there's at least one of these, so add this new one after the first

1
src/cfgfile.h
View File

@ -101,6 +101,7 @@ typedef struct _aliases {
typedef struct _listener_t {
struct _listener_t *next;
int port;
int so_sndbuf;
char *bind_address;
int shoutcast_compat;
char *shoutcast_mount;

3
src/connection.c
View File

@ -1404,6 +1404,9 @@ int connection_setup_sockets (ice_config_t *config)
sock_close (sock);
break;
}
/* some win32 setups do not do TCP win scaling well, so allow an override */
if (listener->so_sndbuf)
sock_set_send_buffer (sock, listener->so_sndbuf);
sock_set_blocking (sock, 0);
successful = 1;
global.serversock [count] = sock;

12
src/net/sock.c
View File

@ -217,7 +217,7 @@ int sock_active (sock_t sock)
l = recv (sock, &c, 1, MSG_PEEK);
if (l == 0)
return 0;
if (l < 0 && sock_recoverable (sock_error()))
if (l == SOCK_ERROR && sock_recoverable (sock_error()))
return 1;
return 0;
}
@ -251,9 +251,9 @@ int sock_set_blocking(sock_t sock, int block)
{
#ifdef _WIN32
#ifdef __MINGW32__
u_long varblock = block;
u_long varblock = 1;
#else
int varblock = block;
int varblock = 1;
#endif
#endif
@ -261,6 +261,7 @@ int sock_set_blocking(sock_t sock, int block)
return SOCK_ERROR;
#ifdef _WIN32
if (block) varblock = 0;
return ioctlsocket(sock, FIONBIO, &varblock);
#else
return fcntl(sock, F_SETFL, (block) ? 0 : O_NONBLOCK);
@ -892,6 +893,11 @@ sock_t sock_get_server_socket(int port, const char *sinterface)
#endif
void sock_set_send_buffer (sock_t sock, int win_size)
{
setsockopt (sock, SOL_SOCKET, SO_SNDBUF, (char *) &win_size, sizeof(win_size));
}
int sock_listen(sock_t serversock, int backlog)
{
if (!sock_valid_socket(serversock))

4
src/net/sock.h
View File

@ -95,6 +95,7 @@ struct iovec
# define sock_read_line _mangle(sock_read_line)
# define sock_get_server_socket _mangle(sock_get_server_socket)
# define sock_listen _mangle(sock_listen)
# define sock_set_send_buffer _mangle(sock_set_send_buffer)
# define sock_accept _mangle(sock_accept)
#endif
@ -107,10 +108,11 @@ int sock_recoverable(int error);
int sock_stalled(int error);
int sock_valid_socket(sock_t sock);
int sock_active (sock_t sock);
int sock_set_blocking(sock_t sock, const int block);
int sock_set_blocking(sock_t sock, int block);
int sock_set_nolinger(sock_t sock);
int sock_set_keepalive(sock_t sock);
int sock_set_nodelay(sock_t sock);
void sock_set_send_buffer (sock_t sock, int win_size);
void sock_set_error(int val);
int sock_close(sock_t sock);