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authorJakob Bornecrantz <jakob@vmware.com>2009-03-22 03:22:33 (GMT)
committerJakob Bornecrantz <wallbraker@gmail.com>2009-06-01 09:18:15 (GMT)
commitaee1a6f70413235c0c4c2c2adfca97d5128a155e (patch)
tree869b2b32e91fa9dcc4f998bf4bf2923551107350
parentbedf7fa49f549541fde2e19d2fbb6b8fe57ec124 (diff)
util: Add simple network functions
-rw-r--r--src/gallium/auxiliary/util/Makefile1
-rw-r--r--src/gallium/auxiliary/util/SConscript1
-rw-r--r--src/gallium/auxiliary/util/u_network.c188
-rw-r--r--src/gallium/auxiliary/util/u_network.h24
4 files changed, 214 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile
index 2995aba..6a8eb73 100644
--- a/src/gallium/auxiliary/util/Makefile
+++ b/src/gallium/auxiliary/util/Makefile
@@ -16,6 +16,7 @@ C_SOURCES = \
u_hash.c \
u_keymap.c \
u_linear.c \
+ u_network.c \
u_math.c \
u_mm.c \
u_rect.c \
diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript
index d3ac7f7..fb142ee 100644
--- a/src/gallium/auxiliary/util/SConscript
+++ b/src/gallium/auxiliary/util/SConscript
@@ -17,6 +17,7 @@ util = env.ConvenienceLibrary(
'u_hash.c',
'u_hash_table.c',
'u_keymap.c',
+ 'u_network.c',
'u_math.c',
'u_mm.c',
'u_rect.c',
diff --git a/src/gallium/auxiliary/util/u_network.c b/src/gallium/auxiliary/util/u_network.c
new file mode 100644
index 0000000..465d502
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_network.c
@@ -0,0 +1,188 @@
+
+#include "pipe/p_compiler.h"
+#include "util/u_network.h"
+#include "util/u_debug.h"
+
+#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+# include <windows.h>
+# include <winsock.h>
+#elif defined(PIPE_OS_LINUX)
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <unistd.h>
+# include <fcntl.h>
+# include <netdb.h>
+#else
+# warning "No socket implementation"
+#endif
+
+boolean
+u_socket_init()
+{
+#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+ WORD wVersionRequested;
+ WSADATA wsaData;
+ int err;
+
+ /* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
+ wVersionRequested = MAKEWORD(1, 1);
+
+ err = WSAStartup(wVersionRequested, &wsaData);
+ if (err != 0) {
+ debug_printf("WSAStartup failed with error: %d\n", err);
+ return FALSE;
+ }
+ return TRUE;
+#elif defined(PIPE_HAVE_SOCKETS)
+ return TRUE;
+#else
+ return FALSE;
+#endif
+}
+
+void
+u_socket_stop()
+{
+#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+ WSACleanup();
+#endif
+}
+
+void
+u_socket_close(int s)
+{
+ if (s < 0)
+ return;
+
+#if defined(PIPE_OS_LINUX)
+ shutdown(s, SHUT_RDWR);
+ close(s);
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+ shutdown(s, SD_BOTH);
+ closesocket(s);
+#else
+ assert(0);
+#endif
+}
+
+int u_socket_accept(int s)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ return accept(s, NULL, NULL);
+#else
+ return -1;
+#endif
+}
+
+int
+u_socket_send(int s, void *data, size_t size)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ return send(s, data, size, 0);
+#else
+ return -1;
+#endif
+}
+
+int
+u_socket_peek(int s, void *data, size_t size)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ return recv(s, data, size, MSG_PEEK);
+#else
+ return -1;
+#endif
+}
+
+int
+u_socket_recv(int s, void *data, size_t size)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ return recv(s, data, size, 0);
+#else
+ return -1;
+#endif
+}
+
+int
+u_socket_connect(const char *hostname, uint16_t port)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ int s;
+ struct sockaddr_in sa;
+ struct hostent *host = NULL;
+
+ memset(&sa, 0, sizeof(struct sockaddr_in));
+ host = gethostbyname(hostname);
+ if (!host)
+ return -1;
+
+ memcpy((char *)&sa.sin_addr,host->h_addr,host->h_length);
+ sa.sin_family= host->h_addrtype;
+ sa.sin_port = htons(port);
+
+ s = socket(host->h_addrtype, SOCK_STREAM, IPPROTO_TCP);
+ if (s < 0)
+ return -1;
+
+ if (connect(s, (struct sockaddr *)&sa, sizeof(sa))) {
+ u_socket_close(s);
+ return -1;
+ }
+
+ return s;
+#else
+ assert(0);
+ return -1;
+#endif
+}
+
+int
+u_socket_listen_on_port(uint16_t portnum)
+{
+#if defined(PIPE_HAVE_SOCKETS)
+ int s;
+ struct sockaddr_in sa;
+ memset(&sa, 0, sizeof(struct sockaddr_in));
+
+ sa.sin_family = AF_INET;
+ sa.sin_port = htons(portnum);
+
+ s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (s < 0)
+ return -1;
+
+ if (bind(s, (struct sockaddr *)&sa, sizeof(struct sockaddr_in)) == -1) {
+ u_socket_close(s);
+ return -1;
+ }
+
+ listen(s, 0);
+
+ return s;
+#else
+ assert(0);
+ return -1;
+#endif
+}
+
+void
+u_socket_block(int s, boolean block)
+{
+#if defined(PIPE_OS_LINUX)
+ int old = fcntl(s, F_GETFL, 0);
+ if (old == -1)
+ return;
+
+ /* TODO obey block */
+ if (block)
+ fcntl(s, F_SETFL, old & ~O_NONBLOCK);
+ else
+ fcntl(s, F_SETFL, old | O_NONBLOCK);
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+ u_long iMode = block ? 0 : 1;
+ ioctlsocket(s, FIONBIO, &iMode);
+#else
+ assert(0);
+#endif
+}
diff --git a/src/gallium/auxiliary/util/u_network.h b/src/gallium/auxiliary/util/u_network.h
new file mode 100644
index 0000000..14d3884
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_network.h
@@ -0,0 +1,24 @@
+
+#ifndef _U_NETWORK_H_
+#define _U_NETWORK_H_
+
+#include "pipe/p_compiler.h"
+
+#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+# define PIPE_HAVE_SOCKETS
+#elif defined(PIPE_OS_LINUX)
+# define PIPE_HAVE_SOCKETS
+#endif
+
+boolean u_socket_init(void);
+void u_socket_stop(void);
+void u_socket_close(int s);
+int u_socket_listen_on_port(uint16_t portnum);
+int u_socket_accept(int s);
+int u_socket_connect(const char *host, uint16_t port);
+int u_socket_send(int s, void *data, size_t size);
+int u_socket_peek(int s, void *data, size_t size);
+int u_socket_recv(int s, void *data, size_t size);
+void u_socket_block(int s, boolean block);
+
+#endif