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authorJelmer Vernooij <jelmer@samba.org>2006-04-30 01:32:59 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:05:24 -0500
commitf4e403440a08f5da3328bbbe5601967bf8705137 (patch)
tree4e7a0e6e17ad7bda2717b2d02e5327f100c08953 /source4/lib/socket
parent5abd8940f9bcfbab1b68018759a2405ec944f831 (diff)
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r15349: Integrate set_socket_options() into the socket library
(This used to be commit 598ea173cd718dad0df24505796ca50cb728a2e9)
Diffstat (limited to 'source4/lib/socket')
-rw-r--r--source4/lib/socket/socket.c108
-rw-r--r--source4/lib/socket/socket.h1
2 files changed, 109 insertions, 0 deletions
diff --git a/source4/lib/socket/socket.c b/source4/lib/socket/socket.c
index 3c9524a162..9d18377db1 100644
--- a/source4/lib/socket/socket.c
+++ b/source4/lib/socket/socket.c
@@ -1,6 +1,8 @@
/*
Unix SMB/CIFS implementation.
Socket functions
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Tim Potter 2000-2001
Copyright (C) Stefan Metzmacher 2004
This program is free software; you can redistribute it and/or modify
@@ -21,6 +23,7 @@
#include "includes.h"
#include "lib/socket/socket.h"
#include "system/filesys.h"
+#include "system/network.h"
/*
auto-close sockets on free
@@ -429,3 +432,108 @@ _PUBLIC_ const struct socket_ops *socket_getops_byname(const char *family, enum
return NULL;
}
+
+enum SOCK_OPT_TYPES {OPT_BOOL,OPT_INT,OPT_ON};
+
+static const struct {
+ const char *name;
+ int level;
+ int option;
+ int value;
+ int opttype;
+} socket_options[] = {
+ {"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
+ {"SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR, 0, OPT_BOOL},
+ {"SO_BROADCAST", SOL_SOCKET, SO_BROADCAST, 0, OPT_BOOL},
+#ifdef TCP_NODELAY
+ {"TCP_NODELAY", IPPROTO_TCP, TCP_NODELAY, 0, OPT_BOOL},
+#endif
+#ifdef IPTOS_LOWDELAY
+ {"IPTOS_LOWDELAY", IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY, OPT_ON},
+#endif
+#ifdef IPTOS_THROUGHPUT
+ {"IPTOS_THROUGHPUT", IPPROTO_IP, IP_TOS, IPTOS_THROUGHPUT, OPT_ON},
+#endif
+#ifdef SO_REUSEPORT
+ {"SO_REUSEPORT", SOL_SOCKET, SO_REUSEPORT, 0, OPT_BOOL},
+#endif
+#ifdef SO_SNDBUF
+ {"SO_SNDBUF", SOL_SOCKET, SO_SNDBUF, 0, OPT_INT},
+#endif
+#ifdef SO_RCVBUF
+ {"SO_RCVBUF", SOL_SOCKET, SO_RCVBUF, 0, OPT_INT},
+#endif
+#ifdef SO_SNDLOWAT
+ {"SO_SNDLOWAT", SOL_SOCKET, SO_SNDLOWAT, 0, OPT_INT},
+#endif
+#ifdef SO_RCVLOWAT
+ {"SO_RCVLOWAT", SOL_SOCKET, SO_RCVLOWAT, 0, OPT_INT},
+#endif
+#ifdef SO_SNDTIMEO
+ {"SO_SNDTIMEO", SOL_SOCKET, SO_SNDTIMEO, 0, OPT_INT},
+#endif
+#ifdef SO_RCVTIMEO
+ {"SO_RCVTIMEO", SOL_SOCKET, SO_RCVTIMEO, 0, OPT_INT},
+#endif
+ {NULL,0,0,0,0}};
+
+
+/**
+ Set user socket options.
+**/
+_PUBLIC_ void set_socket_options(int fd, const char *options)
+{
+ const char **options_list = str_list_make(NULL, options, " \t,");
+ int j;
+
+ if (!options_list)
+ return;
+
+ for (j = 0; options_list[j]; j++) {
+ const char *tok = options_list[j];
+ int ret=0,i;
+ int value = 1;
+ char *p;
+ BOOL got_value = False;
+
+ if ((p = strchr(tok,'='))) {
+ *p = 0;
+ value = atoi(p+1);
+ got_value = True;
+ }
+
+ for (i=0;socket_options[i].name;i++)
+ if (strequal(socket_options[i].name,tok))
+ break;
+
+ if (!socket_options[i].name) {
+ DEBUG(0,("Unknown socket option %s\n",tok));
+ continue;
+ }
+
+ switch (socket_options[i].opttype) {
+ case OPT_BOOL:
+ case OPT_INT:
+ ret = setsockopt(fd,socket_options[i].level,
+ socket_options[i].option,(char *)&value,sizeof(int));
+ break;
+
+ case OPT_ON:
+ if (got_value)
+ DEBUG(0,("syntax error - %s does not take a value\n",tok));
+
+ {
+ int on = socket_options[i].value;
+ ret = setsockopt(fd,socket_options[i].level,
+ socket_options[i].option,(char *)&on,sizeof(int));
+ }
+ break;
+ }
+
+ if (ret != 0)
+ DEBUG(0,("Failed to set socket option %s (Error %s)\n",tok, strerror(errno) ));
+ }
+
+ talloc_free(options_list);
+}
+
diff --git a/source4/lib/socket/socket.h b/source4/lib/socket/socket.h
index a50fb87619..31dadb2f89 100644
--- a/source4/lib/socket/socket.h
+++ b/source4/lib/socket/socket.h
@@ -185,5 +185,6 @@ NTSTATUS socket_connect_multi(TALLOC_CTX *mem_ctx, const char *server_address,
struct event_context *event_ctx,
struct socket_context **result,
uint16_t *port);
+void set_socket_options(int fd, const char *options);
#endif /* _SAMBA_SOCKET_H */