/* tcp trp (transport) - send/receive a bunch of bytes from a tcp socket */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2004 Martin Quinson. */
+/* Copyright (c) 2004 Martin Quinson. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <unistd.h> /* close() pipe() read() write() */
-#include <signal.h> /* close() pipe() read() write() */
-#include <netinet/in.h> /* sometimes required for #include <arpa/inet.h> */
-#include <netinet/tcp.h> /* TCP_NODELAY */
-#include <arpa/inet.h> /* inet_ntoa() */
-#include <netdb.h> /* getprotobyname() */
-#include <sys/time.h> /* struct timeval */
-#include <errno.h> /* errno */
-#include <sys/wait.h> /* waitpid() */
-#include <sys/socket.h> /* getpeername() socket() */
-#include <stdlib.h>
-#include <string.h> /* memset */
-
-#include "gras_private.h"
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "portable.h"
+
+#if 0
+# include <unistd.h> /* close() pipe() read() write() */
+# include <signal.h> /* close() pipe() read() write() */
+# include <netinet/in.h> /* sometimes required for #include <arpa/inet.h> */
+# include <netinet/tcp.h> /* TCP_NODELAY */
+# include <arpa/inet.h> /* inet_ntoa() */
+# include <netdb.h> /* getprotobyname() */
+# include <sys/time.h> /* struct timeval */
+# include <errno.h> /* errno */
+# include <sys/wait.h> /* waitpid() */
+# include <sys/socket.h> /* getpeername() socket() */
+# include <stdlib.h>
+# include <string.h> /* memset */
+#endif
+
+
#include "transport_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(trp_tcp,transport);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(trp_tcp,transport,"TCP transport");
/***
*** Prototypes
***/
-gras_error_t gras_trp_tcp_socket_client(gras_trp_plugin_t *self,
- const char *host,
- unsigned short port,
- /* OUT */ gras_socket_t *sock);
-gras_error_t gras_trp_tcp_socket_server(gras_trp_plugin_t *self,
- unsigned short port,
- /* OUT */ gras_socket_t *sock);
-gras_error_t gras_trp_tcp_socket_accept(gras_socket_t *sock,
- gras_socket_t **dst);
-
-void gras_trp_tcp_socket_close(gras_socket_t *sd);
+xbt_error_t gras_trp_tcp_socket_client(gras_trp_plugin_t *self,
+ gras_socket_t sock);
+xbt_error_t gras_trp_tcp_socket_server(gras_trp_plugin_t *self,
+ gras_socket_t sock);
+xbt_error_t gras_trp_tcp_socket_accept(gras_socket_t sock,
+ gras_socket_t *dst);
+
+void gras_trp_tcp_socket_close(gras_socket_t sd);
-gras_error_t gras_trp_tcp_chunk_send(gras_socket_t *sd,
- char *data,
+xbt_error_t gras_trp_tcp_chunk_send(gras_socket_t sd,
+ const char *data,
long int size);
-gras_error_t gras_trp_tcp_chunk_recv(gras_socket_t *sd,
+xbt_error_t gras_trp_tcp_chunk_recv(gras_socket_t sd,
char *data,
long int size);
/***
*** Code
***/
-gras_error_t
-gras_trp_tcp_setup(gras_trp_plugin_t *plug) {
+xbt_error_t gras_trp_tcp_setup(gras_trp_plugin_t *plug) {
- gras_trp_tcp_plug_data_t *data = malloc(sizeof(gras_trp_tcp_plug_data_t));
- if (!data)
- RAISE_MALLOC;
+ gras_trp_tcp_plug_data_t *data = xbt_new(gras_trp_tcp_plug_data_t,1);
FD_ZERO(&(data->msg_socks));
FD_ZERO(&(data->raw_socks));
plug->chunk_send = gras_trp_tcp_chunk_send;
plug->chunk_recv = gras_trp_tcp_chunk_recv;
+ plug->flush = NULL; /* nothing's cached */
+
plug->data = (void*)data;
plug->exit = gras_trp_tcp_exit;
void gras_trp_tcp_exit(gras_trp_plugin_t *plug) {
DEBUG1("Exit plugin TCP (free %p)", plug->data);
- free(plug->data);
+ xbt_free(plug->data);
}
-gras_error_t gras_trp_tcp_socket_client(gras_trp_plugin_t *self,
- const char *host,
- unsigned short port,
- /* OUT */ gras_socket_t *sock){
+xbt_error_t gras_trp_tcp_socket_client(gras_trp_plugin_t *self,
+ gras_socket_t sock){
struct sockaddr_in addr;
struct hostent *he;
struct in_addr *haddr;
+ int size = sock->bufSize * 1024;
sock->incoming = 1; /* TCP sockets are duplex'ed */
"Failed to create socket: %s",
strerror (errno));
}
+
+ if (setsockopt(sock->sd, SOL_SOCKET, SO_RCVBUF, (char *)&size, sizeof(size)) ||
+ setsockopt(sock->sd, SOL_SOCKET, SO_SNDBUF, (char *)&size, sizeof(size))) {
+ WARN1("setsockopt failed, cannot set buffer size: %s",
+ strerror(errno));
+ }
- he = gethostbyname (host);
+ he = gethostbyname (sock->peer_name);
if (he == NULL) {
RAISE2(system_error,
"Failed to lookup hostname %s: %s",
- host, strerror (errno));
+ sock->peer_name, strerror (errno));
}
haddr = ((struct in_addr *) (he->h_addr_list)[0]);
memset(&addr, 0, sizeof(struct sockaddr_in));
memcpy (&addr.sin_addr, haddr, sizeof(struct in_addr));
addr.sin_family = AF_INET;
- addr.sin_port = htons (port);
+ addr.sin_port = htons (sock->peer_port);
if (connect (sock->sd, (struct sockaddr*) &addr, sizeof (addr)) < 0) {
close(sock->sd);
RAISE3(system_error,
"Failed to connect socket to %s:%d (%s)",
- host, port, strerror (errno));
+ sock->peer_name, sock->peer_port, strerror (errno));
}
return no_error;
*
* Open a socket used to receive messages.
*/
-gras_error_t gras_trp_tcp_socket_server(gras_trp_plugin_t *self,
- unsigned short port,
- /* OUT */ gras_socket_t *sock){
-// int size = bufSize * 1024;
+xbt_error_t gras_trp_tcp_socket_server(gras_trp_plugin_t *self,
+ /* OUT */ gras_socket_t sock){
+ int size = sock->bufSize * 1024;
int on = 1;
struct sockaddr_in server;
sock->outgoing = 1; /* TCP => duplex mode */
- server.sin_port = htons((u_short)port);
+ server.sin_port = htons((u_short)sock->port);
server.sin_addr.s_addr = INADDR_ANY;
server.sin_family = AF_INET;
if((sock->sd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- RAISE1(system_error,"socket allocation failed: %s", strerror(errno));
+ RAISE1(system_error,"Socket allocation failed: %s", strerror(errno));
}
- (void)setsockopt(sock->sd, SOL_SOCKET, SO_REUSEADDR,
- (char *)&on, sizeof(on));
- /*
- (void)setsockopt(sd, SOL_SOCKET, SO_RCVBUF, (char *)&size, sizeof(size));
- (void)setsockopt(sd, SOL_SOCKET, SO_SNDBUF, (char *)&size, sizeof(size));
- */
+ if (setsockopt(sock->sd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on))) {
+ RAISE1(system_error,"setsockopt failed, cannot condition the socket: %s",
+ strerror(errno));
+ }
+
+ if (setsockopt(sock->sd, SOL_SOCKET, SO_RCVBUF, (char *)&size, sizeof(size)) ||
+ setsockopt(sock->sd, SOL_SOCKET, SO_SNDBUF, (char *)&size, sizeof(size))) {
+ WARN1("setsockopt failed, cannot set buffer size: %s",
+ strerror(errno));
+ }
+
if (bind(sock->sd, (struct sockaddr *)&server, sizeof(server)) == -1) {
close(sock->sd);
- RAISE2(system_error,"Cannot bind to port %d: %s",port, strerror(errno));
+ RAISE2(system_error,"Cannot bind to port %d: %s",sock->port, strerror(errno));
}
if (listen(sock->sd, 5) < 0) {
close(sock->sd);
- RAISE2(system_error,"Cannot listen to port %d: %s",port,strerror(errno));
+ RAISE2(system_error,"Cannot listen to port %d: %s",sock->port,strerror(errno));
}
if (sock->raw)
else
FD_SET(sock->sd, &(tcp->msg_socks));
- DEBUG2("Openned a server socket on port %d (sock %d)",port,sock->sd);
+ DEBUG2("Openned a server socket on port %d (sock %d)",sock->port,sock->sd);
return no_error;
}
-gras_error_t
-gras_trp_tcp_socket_accept(gras_socket_t *sock,
- gras_socket_t **dst) {
- gras_socket_t *res;
- gras_error_t errcode;
+xbt_error_t
+gras_trp_tcp_socket_accept(gras_socket_t sock,
+ gras_socket_t *dst) {
+ gras_socket_t res;
struct sockaddr_in peer_in;
socklen_t peer_in_len = sizeof(peer_in);
int sd;
int tmp_errno;
+ int size;
- TRY(gras_trp_socket_new(1,&res));
+ gras_trp_socket_new(1,&res);
sd = accept(sock->sd, (struct sockaddr *)&peer_in, &peer_in_len);
tmp_errno = errno;
if (setsockopt(sd, SOL_SOCKET, SO_KEEPALIVE, (char *)&i, s)
|| setsockopt(sd, TcpProtoNumber(), TCP_NODELAY, (char *)&i, s)) {
- WARN0("setsockopt failed, cannot condition the accepted socket");
+ RAISE1(system_error,"setsockopt failed, cannot condition the socket: %s",
+ strerror(errno));
}
- /* FIXME: bufSize removed until we can have optionsets
- i = ((gras_trp_tcp_sock_specific_t*)sock->specific)->buffsize;
- if (setsockopt(sd, SOL_SOCKET, SO_RCVBUF, (char *)&i, s)
- || setsockopt(sd, SOL_SOCKET, SO_SNDBUF, (char *)&i, s)) {
- WARNING0("setsockopt failed, cannot set buffsize");
- }
- */
+ (*dst)->bufSize = sock->bufSize;
+ size = sock->bufSize * 1024;
+ if (setsockopt(sd, SOL_SOCKET, SO_RCVBUF, (char *)&size, sizeof(size))
+ || setsockopt(sd, SOL_SOCKET, SO_SNDBUF, (char *)&size, sizeof(size))) {
+ WARN1("setsockopt failed, cannot set buffer size: %s",
+ strerror(errno));
+ }
res->plugin = sock->plugin;
res->incoming = sock->incoming;
/* FIXME: Lock to protect inet_ntoa */
if (((struct sockaddr *)&peer_in)->sa_family != AF_INET) {
- res->peer_name = strdup("unknown");
+ res->peer_name = (char*)strdup("unknown");
} else {
struct in_addr addrAsInAddr;
char *tmp;
tmp = inet_ntoa(addrAsInAddr);
if (tmp != NULL) {
- res->peer_name = strdup(tmp);
+ res->peer_name = (char*)strdup(tmp);
} else {
- res->peer_name = strdup("unknown");
+ res->peer_name = (char*)strdup("unknown");
}
}
}
}
-void gras_trp_tcp_socket_close(gras_socket_t *sock){
+void gras_trp_tcp_socket_close(gras_socket_t sock){
gras_trp_tcp_plug_data_t *tcp;
if (!sock) return; /* close only once */
*
* Send data on a TCP socket
*/
-gras_error_t
-gras_trp_tcp_chunk_send(gras_socket_t *sock,
- char *data,
+xbt_error_t
+gras_trp_tcp_chunk_send(gras_socket_t sock,
+ const char *data,
long int size) {
/* TCP sockets are in duplex mode, don't check direction */
- gras_assert0(size >= 0, "Cannot send a negative amount of data");
+ xbt_assert0(size >= 0, "Cannot send a negative amount of data");
while (size) {
int status = 0;
*
* Receive data on a TCP socket.
*/
-gras_error_t
-gras_trp_tcp_chunk_recv(gras_socket_t *sock,
+xbt_error_t
+gras_trp_tcp_chunk_recv(gras_socket_t sock,
char *data,
long int size) {
/* TCP sockets are in duplex mode, don't check direction */
- gras_assert0(sock, "Cannot recv on an NULL socket");
- gras_assert0(size >= 0, "Cannot receive a negative amount of data");
+ xbt_assert0(sock, "Cannot recv on an NULL socket");
+ xbt_assert0(size >= 0, "Cannot receive a negative amount of data");
while (size) {
int status = 0;
if(returnValue == 0) {
fetchedEntry = getprotobyname("tcp");
- gras_assert0(fetchedEntry, "getprotobyname(tcp) gave NULL");
+ xbt_assert0(fetchedEntry, "getprotobyname(tcp) gave NULL");
returnValue = fetchedEntry->p_proto;
}
return returnValue;
}
+
+/* Data exchange over raw sockets. Placing this in there is a kind of crude hack.
+ It means that the only possible raw are TCP where we may want to do UDP for them.
+ But I fail to find a good internal organization for now. We may want to split
+ raw and regular sockets more efficiently.
+*/
+xbt_error_t gras_socket_raw_exchange(gras_socket_t peer,
+ int sender,
+ unsigned int timeout,
+ unsigned long int exp_size,
+ unsigned long int msg_size) {
+ char *chunk;
+ int res_last, msg_sofar, exp_sofar;
+
+ fd_set rd_set;
+/* int rv; */
+
+ struct timeval timeOut;
+
+ chunk = xbt_malloc(msg_size);
+
+ for (exp_sofar=0; exp_sofar < exp_size; exp_sofar += msg_size) {
+ for(msg_sofar=0; msg_sofar < msg_size; msg_sofar += res_last) {
+
+ if(sender) {
+ res_last = send(peer->sd, chunk, msg_size - msg_sofar, 0);
+ } else {
+ res_last = 0;
+ FD_ZERO(&rd_set);
+ FD_SET(peer->sd,&rd_set);
+ timeOut.tv_sec = timeout;
+ timeOut.tv_usec = 0;
+
+ if (0 < select(peer->sd+1,&rd_set,NULL,NULL,&timeOut))
+ res_last = recv(peer->sd, chunk, msg_size-msg_sofar, 0);
+
+ }
+ if (res_last == 0) {
+ /* No progress done, bail out */
+ xbt_free(chunk);
+ RAISE0(unknown_error,"Not exchanged a single byte, bailing out");
+ }
+ }
+ }
+
+ xbt_free(chunk);
+ return no_error;
+}
