socket: Set socket options for usbmux connection to improve performance
diff --git a/common/socket.c b/common/socket.c
index 4cdefd6..30b2b8c 100644
--- a/common/socket.c
+++ b/common/socket.c
@@ -35,6 +35,7 @@
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <netdb.h>
#include <arpa/inet.h>
#endif
@@ -116,6 +117,7 @@
#ifdef SO_NOSIGPIPE
int yes = 1;
#endif
+ int bufsize = 0x20000;
// check if socket file exists...
if (stat(filename, &fst) != 0) {
@@ -138,6 +140,14 @@
return -1;
}
+ if (setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof(int)) == -1) {
+ perror("Could not set send buffer for socket");
+ }
+
+ if (setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, &bufsize, sizeof(int)) == -1) {
+ perror("Could not set receive buffer for socket");
+ }
+
#ifdef SO_NOSIGPIPE
if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
perror("setsockopt()");
@@ -225,6 +235,7 @@
{
int sfd = -1;
int yes = 1;
+ int bufsize = 0x20000;
struct hostent *hp;
struct sockaddr_in saddr;
#ifdef WIN32
@@ -275,6 +286,18 @@
}
#endif
+ if (setsockopt(sfd, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(int)) == -1) {
+ perror("Could not set TCP_NODELAY on socket");
+ }
+
+ if (setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof(int)) == -1) {
+ perror("Could not set send buffer for socket");
+ }
+
+ if (setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, &bufsize, sizeof(int)) == -1) {
+ perror("Could not set receive buffer for socket");
+ }
+
memset((void *) &saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_addr.s_addr = *(uint32_t *) hp->h_addr;
