+++ /dev/null
-/* buf trp (transport) - buffered transport using the TCP one */
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
- * 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 <stdlib.h>
-#include <string.h> /* memset */
-
-#include "portable.h"
-#include "xbt/misc.h"
-#include "xbt/sysdep.h"
-#include "xbt/ex.h"
-#include "gras/Transport/transport_private.h"
-#include "gras/Msg/msg_interface.h" /* listener_close_socket */
-
-/* FIXME maybe READV is sometime a good thing? */
-#undef HAVE_READV
-
-#ifdef HAVE_READV
-#include <sys/uio.h>
-#endif
-
-#ifndef MIN
-#define MIN(a,b) ((a)<(b)?(a):(b))
-#endif
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_tcp, gras_trp,
- "TCP buffered transport");
-
-/***
- *** Specific socket part
- ***/
-
-typedef struct {
- int port; /* port on this side */
- int peer_port; /* port on the other side */
- char *peer_name; /* hostname of the other side */
- char *peer_proc; /* process on the other side */
-} s_gras_trp_tcp_sock_data_t, *gras_trp_tcp_sock_data_t;
-
-typedef enum { buffering_buf, buffering_iov } buffering_kind;
-
-typedef struct {
- int size;
- char *data;
- int pos; /* for receive; not exchanged over the net */
-} gras_trp_buf_t;
-
-
-struct gras_trp_bufdata_ {
- int buffsize;
- gras_trp_buf_t in_buf;
- gras_trp_buf_t out_buf;
-
-#ifdef HAVE_READV
- xbt_dynar_t in_buf_v;
- xbt_dynar_t out_buf_v;
-#endif
-
- buffering_kind in;
- buffering_kind out;
-};
-
-
-/*****************************/
-/****[ SOCKET MANAGEMENT ]****/
-/*****************************/
-/* we exchange port number on client side on socket creation,
- so we need to be able to talk right now. */
-static XBT_INLINE void gras_trp_tcp_send(gras_socket_t sock,
- const char *data,
- unsigned long int size);
-static int gras_trp_tcp_recv(gras_socket_t sock, char *data,
- unsigned long int size);
-
-
-static int _gras_tcp_proto_number(void);
-
-static XBT_INLINE
-void gras_trp_sock_socket_client(gras_trp_plugin_t ignored,
- const char *host,
- int port,
- /*OUT*/gras_socket_t sock)
-{
- gras_trp_tcp_sock_data_t sockdata = xbt_new(s_gras_trp_tcp_sock_data_t,1);
- sockdata->port = port;
- sockdata->peer_proc = NULL;
- sockdata->peer_port = port;
- sockdata->peer_name = (char *) strdup(host ? host : "localhost");
- sock->data = sockdata;
-
- struct sockaddr_in addr;
- struct hostent *he;
- struct in_addr *haddr;
- int size = sock->buf_size;
- uint32_t myport = htonl(((gras_trp_procdata_t)
- gras_libdata_by_id
- (gras_trp_libdata_id))->myport);
-
- sock->incoming = 1; /* TCP sockets are duplex'ed */
-
- sock->sd = socket(AF_INET, SOCK_STREAM, 0);
-
- if (sock->sd < 0) {
- THROW1(system_error, 0, "Failed to create socket: %s",
- sock_errstr(sock_errno));
- }
-
- if (setsockopt
- (sock->sd, SOL_SOCKET, SO_RCVBUF, (char *) &size, sizeof(size))
- || setsockopt(sock->sd, SOL_SOCKET, SO_SNDBUF, (char *) &size,
- sizeof(size))) {
- VERB1("setsockopt failed, cannot set buffer size: %s",
- sock_errstr(sock_errno));
- }
-
- he = gethostbyname(sockdata->peer_name);
- if (he == NULL) {
- THROW2(system_error, 0, "Failed to lookup hostname %s: %s",
- sockdata->peer_name, sock_errstr(sock_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(sockdata->peer_port);
-
- if (connect(sock->sd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- tcp_close(sock->sd);
- THROW3(system_error, 0,
- "Failed to connect socket to %s:%d (%s)",
- sockdata->peer_name, sockdata->peer_port, sock_errstr(sock_errno));
- }
-
- gras_trp_tcp_send(sock, (char *) &myport, sizeof(uint32_t));
- DEBUG1("peerport sent to %d", sockdata->peer_port);
-
- VERB4("Connect to %s:%d (sd=%d, port %d here)",
- sockdata->peer_name, sockdata->peer_port, sock->sd, sockdata->port);
-}
-
-/**
- * gras_trp_sock_socket_server:
- *
- * Open a socket used to receive messages.
- */
-static XBT_INLINE
-void gras_trp_sock_socket_server(gras_trp_plugin_t ignored,
- int port,
- gras_socket_t sock)
-{
- int size = sock->buf_size;
- int on = 1;
- struct sockaddr_in server;
-
- gras_trp_tcp_sock_data_t sockdata = xbt_new(s_gras_trp_tcp_sock_data_t,1);
- sockdata->port = port;
- sockdata->peer_port = -1;
- sockdata->peer_name = NULL;
- sockdata->peer_proc = NULL;
- sock->data=sockdata;
-
- sock->outgoing = 1; /* TCP => duplex mode */
-
- server.sin_port = htons((u_short) sockdata->port);
- server.sin_addr.s_addr = INADDR_ANY;
- server.sin_family = AF_INET;
- if ((sock->sd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
- THROW1(system_error, 0, "Socket allocation failed: %s",
- sock_errstr(sock_errno));
-
- if (setsockopt
- (sock->sd, SOL_SOCKET, SO_REUSEADDR, (char *) &on, sizeof(on)))
- THROW1(system_error, 0,
- "setsockopt failed, cannot condition the socket: %s",
- sock_errstr(sock_errno));
-
- if (setsockopt(sock->sd, SOL_SOCKET, SO_RCVBUF,
- (char *) &size, sizeof(size))
- || setsockopt(sock->sd, SOL_SOCKET, SO_SNDBUF,
- (char *) &size, sizeof(size))) {
- VERB1("setsockopt failed, cannot set buffer size: %s",
- sock_errstr(sock_errno));
- }
-
- if (bind(sock->sd, (struct sockaddr *) &server, sizeof(server)) == -1) {
- tcp_close(sock->sd);
- THROW2(system_error, 0,
- "Cannot bind to port %d: %s", sockdata->port,
- sock_errstr(sock_errno));
- }
-
- DEBUG2("Listen on port %d (sd=%d)", sockdata->port, sock->sd);
- if (listen(sock->sd, 5) < 0) {
- tcp_close(sock->sd);
- THROW2(system_error, 0,
- "Cannot listen on port %d: %s",
- sockdata->port, sock_errstr(sock_errno));
- }
-
- VERB2("Openned a server socket on port %d (sd=%d)", sockdata->port,
- sock->sd);
-}
-
-static gras_socket_t gras_trp_sock_socket_accept(gras_socket_t sock)
-{
- gras_socket_t res;
-
- struct sockaddr_in peer_in;
- socklen_t peer_in_len = sizeof(peer_in);
-
- int sd;
- int tmp_errno;
- int size;
-
- int i = 1;
- socklen_t s = sizeof(int);
-
- uint32_t hisport;
-
- XBT_IN;
- gras_trp_socket_new(1, &res);
-
- sd = accept(sock->sd, (struct sockaddr *) &peer_in, &peer_in_len);
- tmp_errno = sock_errno;
-
- if (sd == -1) {
- gras_socket_close(sock);
- THROW1(system_error, 0,
- "Accept failed (%s). Droping server socket.",
- sock_errstr(tmp_errno));
- }
-
- if (setsockopt(sd, SOL_SOCKET, SO_KEEPALIVE, (char *) &i, s)
- || setsockopt(sd, _gras_tcp_proto_number(), TCP_NODELAY, (char *) &i,
- s))
- THROW1(system_error, 0,
- "setsockopt failed, cannot condition the socket: %s",
- sock_errstr(tmp_errno));
-
- res->buf_size = sock->buf_size;
- size = sock->buf_size;
- if (setsockopt(sd, SOL_SOCKET, SO_RCVBUF, (char *) &size, sizeof(size))
- || setsockopt(sd, SOL_SOCKET, SO_SNDBUF, (char *) &size,
- sizeof(size)))
- VERB1("setsockopt failed, cannot set buffer size: %s",
- sock_errstr(tmp_errno));
-
- res->plugin = sock->plugin;
- res->incoming = sock->incoming;
- res->outgoing = sock->outgoing;
- res->accepting = 0;
- res->sd = sd;
- gras_trp_tcp_sock_data_t sockdata = xbt_new(s_gras_trp_tcp_sock_data_t,1);
- sockdata->port = -1;
- res->data=sockdata;
-
-
- gras_trp_tcp_recv(res, (char *) &hisport, sizeof(hisport));
- sockdata->peer_port = ntohl(hisport);
- DEBUG1("peerport %d received", sockdata->peer_port);
-
- /* FIXME: Lock to protect inet_ntoa */
- if (((struct sockaddr *) &peer_in)->sa_family != AF_INET) {
- sockdata->peer_name = (char *) strdup("unknown");
- } else {
- struct in_addr addrAsInAddr;
- char *tmp;
-
- addrAsInAddr.s_addr = peer_in.sin_addr.s_addr;
-
- tmp = inet_ntoa(addrAsInAddr);
- if (tmp != NULL) {
- sockdata->peer_name = (char *) strdup(tmp);
- } else {
- sockdata->peer_name = (char *) strdup("unknown");
- }
- }
-
- VERB3("Accepted from %s:%d (sd=%d)", sockdata->peer_name, sockdata->peer_port, sd);
- xbt_dynar_push(((gras_trp_procdata_t)
- gras_libdata_by_id(gras_trp_libdata_id))->sockets, &res);
-
- XBT_OUT;
- return res;
-}
-
-static void gras_trp_sock_socket_close(gras_socket_t sock)
-{
-
- if (!sock)
- return; /* close only once */
-
- if (((gras_trp_tcp_sock_data_t)sock->data)->peer_name)
- free(((gras_trp_tcp_sock_data_t)sock->data)->peer_name);
- free(sock->data);
-
- VERB1("close tcp connection %d", sock->sd);
-
- /* ask the listener to close the socket */
- gras_msg_listener_close_socket(sock->sd);
-}
-
-/************************************/
-/****[ end of SOCKET MANAGEMENT ]****/
-/************************************/
-
-
-/************************************/
-/****[ UNBUFFERED DATA EXCHANGE ]****/
-/************************************/
-/* Temptation to merge this with file data exchange is great,
- but doesn't work on BillWare (see tcp_write() in portable.h) */
-static XBT_INLINE void gras_trp_tcp_send(gras_socket_t sock,
- const char *data,
- unsigned long int size)
-{
-
- while (size) {
- int status = 0;
-
- status = tcp_write(sock->sd, data, (size_t) size);
- DEBUG3("write(%d, %p, %ld);", sock->sd, data, size);
-
- if (status < 0) {
-#ifdef EWOULDBLOCK
- if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)
-#else
- if (errno == EINTR || errno == EAGAIN)
-#endif
- continue;
-
- THROW4(system_error, 0, "write(%d,%p,%ld) failed: %s",
- sock->sd, data, size, sock_errstr(sock_errno));
- }
-
- if (status) {
- size -= status;
- data += status;
- } else {
- THROW1(system_error, 0, "file descriptor closed (%s)",
- sock_errstr(sock_errno));
- }
- }
-}
-
-static XBT_INLINE int
-gras_trp_tcp_recv_withbuffer(gras_socket_t sock,
- char *data,
- unsigned long int size,
- unsigned long int bufsize)
-{
-
- int got = 0;
-
- if (sock->recvd) {
- data[0] = sock->recvd_val;
- sock->recvd = 0;
- got++;
- bufsize--;
- }
-
- while (size > got) {
- int status = 0;
-
- DEBUG5("read(%d, %p, %ld) got %d so far (%s)",
- sock->sd, data + got, bufsize, got,
- hexa_str((unsigned char *) data, got, 0));
- status = tcp_read(sock->sd, data + got, (size_t) bufsize);
-
- if (status < 0) {
- THROW7(system_error, 0,
- "read(%d,%p,%d) from %s:%d failed: %s; got %d so far",
- sock->sd, data + got, (int) size, gras_socket_peer_name(sock),
- gras_socket_peer_port(sock), sock_errstr(sock_errno), got);
- }
- DEBUG2("Got %d more bytes (%s)", status,
- hexa_str((unsigned char *) data + got, status, 0));
-
- if (status) {
- bufsize -= status;
- got += status;
- } else {
- THROW1(system_error, errno,
- "Socket closed by remote side (got %d bytes before this)",
- got);
- }
- }
-
- return got;
-}
-
-static int gras_trp_tcp_recv(gras_socket_t sock,
- char *data, unsigned long int size)
-{
- return gras_trp_tcp_recv_withbuffer(sock, data, size, size);
-
-}
-
-/*******************************************/
-/****[ end of UNBUFFERED DATA EXCHANGE ]****/
-/*******************************************/
-
-/**********************************/
-/****[ BUFFERED DATA EXCHANGE ]****/
-/**********************************/
-
-/* Make sure the data is sent */
-static void gras_trp_bufiov_flush(gras_socket_t sock)
-{
-#ifdef HAVE_READV
- xbt_dynar_t vect;
- int size;
-#endif
- gras_trp_bufdata_t *data = sock->bufdata;
- XBT_IN;
-
- DEBUG0("Flush");
- if (data->out == buffering_buf) {
- if (XBT_LOG_ISENABLED(gras_trp_tcp, xbt_log_priority_debug))
- hexa_print("chunk to send ",
- (unsigned char *) data->out_buf.data, data->out_buf.size);
- if ((data->out_buf.size - data->out_buf.pos) != 0) {
- DEBUG3("Send the chunk (size=%d) to %s:%d", data->out_buf.size,
- gras_socket_peer_name(sock), gras_socket_peer_port(sock));
- gras_trp_tcp_send(sock, data->out_buf.data, data->out_buf.size);
- VERB1("Chunk sent (size=%d)", data->out_buf.size);
- data->out_buf.size = 0;
- }
- }
-#ifdef HAVE_READV
- if (data->out == buffering_iov) {
- DEBUG0("Flush out iov");
- vect = sock->bufdata->out_buf_v;
- if ((size = xbt_dynar_length(vect))) {
- DEBUG1("Flush %d chunks out of this socket", size);
- writev(sock->sd, xbt_dynar_get_ptr(vect, 0), size);
- xbt_dynar_reset(vect);
- }
- data->out_buf.size = 0; /* reset the buffer containing non-stable data */
- }
-
- if (data->in == buffering_iov) {
- DEBUG0("Flush in iov");
- vect = sock->bufdata->in_buf_v;
- if ((size = xbt_dynar_length(vect))) {
- DEBUG1("Get %d chunks from of this socket", size);
- readv(sock->sd, xbt_dynar_get_ptr(vect, 0), size);
- xbt_dynar_reset(vect);
- }
- }
-#endif
-}
-
-static void
-gras_trp_buf_send(gras_socket_t sock,
- const char *chunk,
- unsigned long int size, int stable_ignored)
-{
-
- gras_trp_bufdata_t *data = (gras_trp_bufdata_t *) sock->bufdata;
- int chunk_pos = 0;
-
- XBT_IN;
-
- while (chunk_pos < size) {
- /* size of the chunk to receive in that shot */
- long int thissize =
- min(size - chunk_pos, data->buffsize - data->out_buf.size);
- DEBUG4("Set the chars %d..%ld into the buffer; size=%ld, ctn=(%s)",
- (int) data->out_buf.size,
- ((int) data->out_buf.size) + thissize - 1, size,
- hexa_str((unsigned char *) chunk, thissize, 0));
-
- memcpy(data->out_buf.data + data->out_buf.size, chunk + chunk_pos,
- thissize);
-
- data->out_buf.size += thissize;
- chunk_pos += thissize;
- DEBUG4("New pos = %d; Still to send = %ld of %ld; ctn sofar=(%s)",
- data->out_buf.size, size - chunk_pos, size,
- hexa_str((unsigned char *) chunk, chunk_pos, 0));
-
- if (data->out_buf.size == data->buffsize) /* out of space. Flush it */
- gras_trp_bufiov_flush(sock);
- }
-
- XBT_OUT;
-}
-
-static int
-gras_trp_buf_recv(gras_socket_t sock, char *chunk, unsigned long int size)
-{
-
- gras_trp_bufdata_t *data = sock->bufdata;
- long int chunk_pos = 0;
-
- XBT_IN;
-
- while (chunk_pos < size) {
- /* size of the chunk to receive in that shot */
- long int thissize;
-
- if (data->in_buf.size == data->in_buf.pos) { /* out of data. Get more */
-
- DEBUG2("Get more data (size=%d,bufsize=%d)",
- (int) MIN(size - chunk_pos, data->buffsize),
- (int) data->buffsize);
-
-
- data->in_buf.size =
- gras_trp_tcp_recv_withbuffer(sock, data->in_buf.data,
- MIN(size - chunk_pos,
- data->buffsize),
- data->buffsize);
-
- data->in_buf.pos = 0;
- }
-
- thissize = min(size - chunk_pos, data->in_buf.size - data->in_buf.pos);
- memcpy(chunk + chunk_pos, data->in_buf.data + data->in_buf.pos,
- thissize);
-
- data->in_buf.pos += thissize;
- chunk_pos += thissize;
- DEBUG4("New pos = %d; Still to receive = %ld of %ld. Ctn so far=(%s)",
- data->in_buf.pos, size - chunk_pos, size,
- hexa_str((unsigned char *) chunk, chunk_pos, 0));
- }
- /* indicate on need to the gras_select function that there is more to read on this socket so that it does not actually select */
- sock->moredata = (data->in_buf.size > data->in_buf.pos);
- DEBUG1("There is %smore data", (sock->moredata ? "" : "no "));
-
- XBT_OUT;
- return chunk_pos;
-}
-
-/*****************************************/
-/****[ end of BUFFERED DATA EXCHANGE ]****/
-/*****************************************/
-
-/********************************/
-/****[ VECTOR DATA EXCHANGE ]****/
-/********************************/
-#ifdef HAVE_READV
-static void
-gras_trp_iov_send(gras_socket_t sock,
- const char *chunk, unsigned long int size, int stable)
-{
- struct iovec elm;
- gras_trp_bufdata_t *data = (gras_trp_bufdata_t *) sock->bufdata;
-
-
- DEBUG1("Buffer one chunk to be sent later (%s)",
- hexa_str((char *) chunk, size, 0));
-
- elm.iov_len = (size_t) size;
-
- if (!stable) {
- /* data storage won't last until flush. Save it in a buffer if we can */
-
- if (size > data->buffsize - data->out_buf.size) {
- /* buffer too small:
- flush the socket, using data in its actual storage */
- elm.iov_base = (void *) chunk;
- xbt_dynar_push(data->out_buf_v, &elm);
-
- gras_trp_bufiov_flush(sock);
- return;
- } else {
- /* buffer big enough:
- copy data into it, and chain it for upcoming writev */
- memcpy(data->out_buf.data + data->out_buf.size, chunk, size);
- elm.iov_base = (void *) (data->out_buf.data + data->out_buf.size);
- data->out_buf.size += size;
-
- xbt_dynar_push(data->out_buf_v, &elm);
- }
-
- } else {
- /* data storage stable. Chain it */
-
- elm.iov_base = (void *) chunk;
- xbt_dynar_push(data->out_buf_v, &elm);
- }
-}
-
-static int
-gras_trp_iov_recv(gras_socket_t sock, char *chunk, unsigned long int size)
-{
- struct iovec elm;
-
- DEBUG0("Buffer one chunk to be received later");
- elm.iov_base = (void *) chunk;
- elm.iov_len = (size_t) size;
- xbt_dynar_push(sock->bufdata->in_buf_v, &elm);
-
- return size;
-}
-
-#endif
-/***************************************/
-/****[ end of VECTOR DATA EXCHANGE ]****/
-/***************************************/
-
-
-/***
- *** Prototypes of BUFFERED
- ***/
-
-void gras_trp_buf_socket_client(gras_trp_plugin_t self,
- const char *host,
- int port,
- gras_socket_t sock);
-void gras_trp_buf_socket_server(gras_trp_plugin_t self,
- int port,
- gras_socket_t sock);
-gras_socket_t gras_trp_buf_socket_accept(gras_socket_t sock);
-
-void gras_trp_buf_socket_close(gras_socket_t sd);
-
-
-gras_socket_t gras_trp_buf_init_sock(gras_socket_t sock)
-{
- gras_trp_bufdata_t *data = xbt_new(gras_trp_bufdata_t, 1);
-
- data->buffsize = 100 * 1024; /* 100k */
-
- data->in_buf.size = 0;
- data->in_buf.data = xbt_malloc(data->buffsize);
- data->in_buf.pos = 0; /* useless, indeed, since size==pos */
-
- data->out_buf.size = 0;
- data->out_buf.data = xbt_malloc(data->buffsize);
- data->out_buf.pos = data->out_buf.size;
-
-#ifdef HAVE_READV
- data->in_buf_v = data->out_buf_v = NULL;
- data->in_buf_v = xbt_dynar_new(sizeof(struct iovec), NULL);
- data->out_buf_v = xbt_dynar_new(sizeof(struct iovec), NULL);
- data->out = buffering_iov;
-#else
- data->out = buffering_buf;
-#endif
-
- data->in = buffering_buf;
-
- sock->bufdata = data;
- return sock;
-}
-
-/***
- *** Info about who's speaking
- ***/
-static int gras_trp_tcp_my_port(gras_socket_t s) {
- gras_trp_tcp_sock_data_t sockdata = s->data;
- return sockdata->port;
-}
-static int gras_trp_tcp_peer_port(gras_socket_t s) {
- gras_trp_tcp_sock_data_t sockdata = s->data;
- return sockdata->peer_port;
-}
-static const char* gras_trp_tcp_peer_name(gras_socket_t s) {
- gras_trp_tcp_sock_data_t sockdata = s->data;
- return sockdata->peer_name;
-}
-static const char* gras_trp_tcp_peer_proc(gras_socket_t s) {
- gras_trp_tcp_sock_data_t sockdata = s->data;
- return sockdata->peer_proc;
-}
-static void gras_trp_tcp_peer_proc_set(gras_socket_t s,char *name) {
- gras_trp_tcp_sock_data_t sockdata = s->data;
- sockdata->peer_proc = xbt_strdup(name);
-}
-
-/***
- *** Code
- ***/
-void gras_trp_tcp_setup(gras_trp_plugin_t plug)
-{
-
- plug->my_port = gras_trp_tcp_my_port;
- plug->peer_port = gras_trp_tcp_peer_port;
- plug->peer_name = gras_trp_tcp_peer_name;
- plug->peer_proc = gras_trp_tcp_peer_proc;
- plug->peer_proc_set = gras_trp_tcp_peer_proc_set;
-
-
- plug->socket_client = gras_trp_buf_socket_client;
- plug->socket_server = gras_trp_buf_socket_server;
- plug->socket_accept = gras_trp_buf_socket_accept;
- plug->socket_close = gras_trp_buf_socket_close;
-
-#ifdef HAVE_READV
- plug->send = gras_trp_iov_send;
-#else
- plug->send = gras_trp_buf_send;
-#endif
- plug->recv = gras_trp_buf_recv;
-
- plug->raw_send = gras_trp_tcp_send;
- plug->raw_recv = gras_trp_tcp_recv;
-
- plug->flush = gras_trp_bufiov_flush;
-
- plug->data = NULL;
- plug->exit = NULL;
-}
-
-void gras_trp_buf_socket_client(gras_trp_plugin_t self,
- const char *host,
- int port,
- /* OUT */ gras_socket_t sock)
-{
-
- gras_trp_sock_socket_client(NULL, host,port,sock);
- gras_trp_buf_init_sock(sock);
-}
-
-/**
- * gras_trp_buf_socket_server:
- *
- * Open a socket used to receive messages.
- */
-void gras_trp_buf_socket_server(gras_trp_plugin_t self,
- int port,
- /* OUT */ gras_socket_t sock)
-{
-
- gras_trp_sock_socket_server(NULL, port, sock);
- gras_trp_buf_init_sock(sock);
-}
-
-gras_socket_t gras_trp_buf_socket_accept(gras_socket_t sock)
-{
- return gras_trp_buf_init_sock(gras_trp_sock_socket_accept(sock));
-}
-
-void gras_trp_buf_socket_close(gras_socket_t sock)
-{
- gras_trp_bufdata_t *data = sock->bufdata;
-
- if (data->in_buf.size != data->in_buf.pos) {
- WARN3("Socket closed, but %d bytes were unread (size=%d,pos=%d)",
- data->in_buf.size - data->in_buf.pos,
- data->in_buf.size, data->in_buf.pos);
- }
- if (data->in_buf.data)
- free(data->in_buf.data);
-
- if (data->out_buf.size != data->out_buf.pos) {
- DEBUG2("Flush the socket before closing (in=%d,out=%d)",
- data->in_buf.size, data->out_buf.size);
- gras_trp_bufiov_flush(sock);
- }
- if (data->out_buf.data)
- free(data->out_buf.data);
-
-#ifdef HAVE_READV
- if (data->in_buf_v) {
- if (xbt_dynar_length(data->in_buf_v))
- WARN0("Socket closed, but some bytes were unread");
- xbt_dynar_free(&data->in_buf_v);
- }
- if (data->out_buf_v) {
- if (xbt_dynar_length(data->out_buf_v)) {
- DEBUG0("Flush the socket before closing");
- gras_trp_bufiov_flush(sock);
- }
- xbt_dynar_free(&data->out_buf_v);
- }
-#endif
-
- free(data);
- gras_trp_sock_socket_close(sock);
-}
-
-/****************************/
-/****[ HELPER FUNCTIONS ]****/
-/****************************/
-
-/*
- * Returns the tcp protocol number from the network protocol data base.
- *
- * getprotobyname() is not thread safe. We need to lock it.
- */
-static int _gras_tcp_proto_number(void)
-{
- struct protoent *fetchedEntry;
- static int returnValue = 0;
-
- if (returnValue == 0) {
- fetchedEntry = getprotobyname("tcp");
- xbt_assert0(fetchedEntry, "getprotobyname(tcp) gave NULL");
- returnValue = fetchedEntry->p_proto;
- }
-
- return returnValue;
-}
-
-#ifdef HAVE_WINSOCK_H
-#define RETSTR( x ) case x: return #x
-
-const char *gras_wsa_err2string(int err)
-{
- switch (err) {
- RETSTR(WSAEINTR);
- RETSTR(WSAEBADF);
- RETSTR(WSAEACCES);
- RETSTR(WSAEFAULT);
- RETSTR(WSAEINVAL);
- RETSTR(WSAEMFILE);
- RETSTR(WSAEWOULDBLOCK);
- RETSTR(WSAEINPROGRESS);
- RETSTR(WSAEALREADY);
- RETSTR(WSAENOTSOCK);
- RETSTR(WSAEDESTADDRREQ);
- RETSTR(WSAEMSGSIZE);
- RETSTR(WSAEPROTOTYPE);
- RETSTR(WSAENOPROTOOPT);
- RETSTR(WSAEPROTONOSUPPORT);
- RETSTR(WSAESOCKTNOSUPPORT);
- RETSTR(WSAEOPNOTSUPP);
- RETSTR(WSAEPFNOSUPPORT);
- RETSTR(WSAEAFNOSUPPORT);
- RETSTR(WSAEADDRINUSE);
- RETSTR(WSAEADDRNOTAVAIL);
- RETSTR(WSAENETDOWN);
- RETSTR(WSAENETUNREACH);
- RETSTR(WSAENETRESET);
- RETSTR(WSAECONNABORTED);
- RETSTR(WSAECONNRESET);
- RETSTR(WSAENOBUFS);
- RETSTR(WSAEISCONN);
- RETSTR(WSAENOTCONN);
- RETSTR(WSAESHUTDOWN);
- RETSTR(WSAETOOMANYREFS);
- RETSTR(WSAETIMEDOUT);
- RETSTR(WSAECONNREFUSED);
- RETSTR(WSAELOOP);
- RETSTR(WSAENAMETOOLONG);
- RETSTR(WSAEHOSTDOWN);
- RETSTR(WSAEHOSTUNREACH);
- RETSTR(WSAENOTEMPTY);
- RETSTR(WSAEPROCLIM);
- RETSTR(WSAEUSERS);
- RETSTR(WSAEDQUOT);
- RETSTR(WSAESTALE);
- RETSTR(WSAEREMOTE);
- RETSTR(WSASYSNOTREADY);
- RETSTR(WSAVERNOTSUPPORTED);
- RETSTR(WSANOTINITIALISED);
- RETSTR(WSAEDISCON);
-
-#ifdef HAVE_WINSOCK2
- RETSTR(WSAENOMORE);
- RETSTR(WSAECANCELLED);
- RETSTR(WSAEINVALIDPROCTABLE);
- RETSTR(WSAEINVALIDPROVIDER);
- RETSTR(WSASYSCALLFAILURE);
- RETSTR(WSASERVICE_NOT_FOUND);
- RETSTR(WSATYPE_NOT_FOUND);
- RETSTR(WSA_E_NO_MORE);
- RETSTR(WSA_E_CANCELLED);
- RETSTR(WSAEREFUSED);
-#endif /* HAVE_WINSOCK2 */
-
- RETSTR(WSAHOST_NOT_FOUND);
- RETSTR(WSATRY_AGAIN);
- RETSTR(WSANO_RECOVERY);
- RETSTR(WSANO_DATA);
- }
- return "unknown WSA error";
-}
-#endif /* HAVE_WINSOCK_H */
-
-/***********************************/
-/****[ end of HELPER FUNCTIONS ]****/
-/***********************************/
