LIB = libgapil.so
OBJ = FullRead.o FullWrite.o SigHand.o Mutex.o SharedMem.o LockFile.o \
- DirScan.o endian.o sockconn.o sockbind.o
+ DirScan.o endian.o SockUtil.o
FINAL = forktest errcode echo echod daytimed iterdaytimed daytime testfopen \
testren fortune fortuned mqfortune mqfortuned flock myls dirmonitor \
writeshm: WriteShm.c
$(CC) $(CFLAGJ) $^ -o $@
+mygetaddr: mygetaddr.c
+ $(CC) $(CFLAGJ) $^ -o $@
+
+
+
+
endtest: endtest.c
readshm: ReadShm.c
+++ /dev/null
-/* SockAddr.c
- *
- * Copyright (C) 2004 Simone Piccardi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/***************************************************************
- *
- * File SockAddr.c
- * Routines for socket address resolution.
- *
- *
- * Author: S. Piccardi
- *
- * $Id$
- *
- ***************************************************************/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h> /* standard I/O functions */
-#include <signal.h> /* signal handling declarations */
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/socket.h> /* socket function and declaration */
-#include <netdb.h> /* resolver functions */
-
-
-#include "macros.h"
-/* *************************************************************************
- *
- * Functions for socket address automatic resolution
- *
- * ************************************************************************* */
-/*
- * Function tcp_socket
- * Create and attach a SysV shared memory segment to the current process.
- *
- * First call get a shared memory segment with KEY key access and size SIZE,
- * by creating it with R/W privilege for the user (this is the meaning of
- * the ored flags). The function return an identifier shmid used for any
- * further reference to the shared memory segment.
- * Second call attach the shared memory segment to this process and return a
- * pointer to it (of void * type).
- * Then initialize shared memory to the given value
- *
- * Input: an host name
- * a service name
- * Return: the IP address of the host in a sockaddr structure
- */
-int tcp_addr(char * address, char * service, struct sockaddr * sa)
-{
- struct addrinfo hints = {
- ai_flag: AI_CANONNAME,
- ai_family: PF_UNSPEC,
- ai_socktype: SOCK_STREAM,
- ai_protocol: 7
- }
-
-
- /* OK, exit */
- return 0;
-}
--- /dev/null
+/* Sockutils.c
+ *
+ * Copyright (C) 2004 Simone Piccardi
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/***************************************************************
+ *
+ * File SockUtils.c
+ * Routines for socket operations.
+ *
+ * Define routines for socket handling
+ *
+ * Author: S. Piccardi
+ *
+ * $Id$
+ *
+ ***************************************************************/
+#include <sys/types.h>
+#include <stdio.h> /* standard I/O functions */
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include "macros.h"
+/**************************************************************************
+ *
+ * Routine ip_ntop
+ *
+ * Return a string with the numeric address translation of the content
+ * of an addrinfo stucture
+ *
+ * Author: Simone Piccardi
+ * Dec. 2004
+ *
+ * $Id$
+ *
+ **************************************************************************/
+char *ip_ntop(struct addrinfo *addr, char *dst, socklen_t cnt)
+{
+// char buffer[INET6_ADDRSTRLEN];
+ char * ret;
+ struct sockaddr_in *ip4;
+ struct sockaddr_in6 *ip6;
+ if (addr->ai_family == PF_INET) {
+ ip4 = (struct sockaddr_in *) addr->ai_addr;
+ ret = inet_ntop(ip4->sin_family, &ip4->sin_addr, dst, cnt);
+ } else {
+ ip6 = (struct sockaddr_in6 *) addr->ai_addr;
+ ret = inet_ntop(ip6->sin6_family, &ip6->sin6_addr, dst, cnt);
+ }
+ return ret;
+}
+/****************************************************************
+ *
+ * Routine sockconn
+ * Return a connected socket given hostname, service, and socket type
+ *
+ * Author: Simone Piccardi
+ * Dec. 2004
+ *
+ * $Id$
+ *
+ ****************************************************************/
+int sockconn(char *host, char *serv, int prot, int type)
+{
+ struct addrinfo hint, *addr, *save;
+ int res;
+ int sock;
+ /* initialize hint structure */
+ memset(&hint, 0, sizeof(struct addrinfo));
+ hint.ai_family = PF_UNSPEC; /* generic address (IPv4 or IPv6) */
+ hint.ai_protocol = prot; /* protocol */
+ hint.ai_socktype = type; /* socket type */
+ res = getaddrinfo(host, serv, &hint, &addr); /* calling getaddrinfo */
+ if (res != 0) { /* on error exit */
+ fprintf(stderr, "sockconn: resolution failed:");
+// fprintf(stderr, "host %s, service %s, protocol %d", host, serv, prot);
+ fprintf(stderr, " %s\n", gai_strerror(res));
+ errno = 0; /* clear errno */
+ return -1;
+ }
+ /* loop on possible addresses */
+ save = addr;
+ while (addr != NULL) {
+ /* get a socket */
+ sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+ if (sock < 0) {
+ if (addr->ai_next != NULL) {
+ addr=addr->ai_next;
+ continue;
+ } else {
+ perror("sockconn: cannot create socket");
+ return sock;
+ }
+ }
+ /* connect the socket */
+ if ( (res = connect(sock, addr->ai_addr, addr->ai_addrlen) < 0)) {
+ if (addr->ai_next != NULL) {
+ addr=addr->ai_next;
+ close(sock);
+ continue;
+ } else {
+ perror("sockconn: cannot connect");
+ close(sock);
+ return res;
+ }
+ } else break;
+ }
+ freeaddrinfo(save); /* done, release memory */
+ return sock;
+}
+/****************************************************************
+ *
+ * Routine sockbind
+ * Return a binded socket given hostname, service, and socket type
+ *
+ * Author: Simone Piccardi
+ * Dec. 2004
+ *
+ * $Id$
+ *
+ ****************************************************************/
+int sockbind(char *host, char *serv, int prot, int type)
+{
+ struct addrinfo hint, *addr, *save;
+ int res;
+ int sock;
+ char buf[INET6_ADDRSTRLEN];
+ /* initialize hint structure */
+ memset(&hint, 0, sizeof(struct addrinfo));
+ hint.ai_flags = AI_PASSIVE; /* address for binding */
+ hint.ai_family = PF_UNSPEC; /* generic address (IPv4 or IPv6) */
+ hint.ai_protocol = prot; /* protocol */
+ hint.ai_socktype = type; /* socket type */
+ res = getaddrinfo(host, serv, &hint, &addr); /* calling getaddrinfo */
+ if (res != 0) { /* on error exit */
+ fprintf(stderr, "sockbind: resolution failed:");
+// fprintf(stderr, "host %s, service %s, protocol %d", host, serv, prot);
+ fprintf(stderr, " %s\n", gai_strerror(res));
+ errno = 0; /* clear errno */
+ return -1;
+ }
+ /* loop on possible addresses */
+ save = addr;
+ while (addr != NULL) {
+ /* get a socket */
+ sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+ if (sock < 0) {
+ if (addr->ai_next != NULL) {
+ addr=addr->ai_next;
+ continue;
+ } else {
+ perror("sockconn: cannot create socket");
+ return sock;
+ }
+ }
+ /* connect the socket */
+ printf("Indirizzo %s\n", ip_ntop(addr, buf, sizeof(buf)));
+ ;
+ if ( (res = bind(sock, addr->ai_addr, addr->ai_addrlen)) < 0) {
+ if (addr->ai_next != NULL) {
+ addr=addr->ai_next;
+ close(sock);
+ continue;
+ } else {
+ perror("sockconn: cannot connect");
+ close(sock);
+ return res;
+ }
+ } else break;
+ }
+ freeaddrinfo(save); /* done, release memory */
+ return sock;
+}
*/
/*****************************************************************************
*
- * File mygetaddr.c: An example host command
+ * File mygetaddr.c: An example for getaddrinfo program
*
* Author: S. Piccardi Nov. 2004
*
buffer, sizeof(buffer));
} else if (ptr->ai_family == PF_INET6) { /* if IPv6 */
printf("IPv6 address: \n");
- addr6 = (struct sockaddr_in *) ptr->ai_addr; /* address */
+ addr6 = (struct sockaddr_in6 *) ptr->ai_addr; /* address */
port = ntohs(addr6->sin6_port); /* port */
string = inet_ntop(addr6->sin6_family, &addr6->sin6_addr,
buffer, sizeof(buffer));
+++ /dev/null
-/* sockbind.c
- *
- * Copyright (C) 2004 Simone Piccardi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/****************************************************************
- *
- * Routine sockbind
- * Return a binded socket given hostname, service, and socket type
- *
- * Author: Simone Piccardi
- * Dec. 2004
- *
- * $Id$
- *
- ****************************************************************/
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-
-int sockbind(char *host, char *serv, int prot, int type)
-{
- struct addrinfo hint, *addr, *save;
- int res;
- int sock;
- /* initialize hint structure */
- memset(&hint, 0, sizeof(struct addrinfo));
- hint.ai_flags = AI_PASSIVE; /* address for binding */
- hint.ai_family = PF_UNSPEC; /* generic address (IPv4 or IPv6) */
- hint.ai_protocol = prot; /* protocol */
- hint.ai_socktype = type; /* socket type */
- res = getaddrinfo(host, serv, &hint, &addr); /* calling getaddrinfo */
- if (res != 0) { /* on error exit */
- printf("sockbind cannot resolve host %s, service %s, ", host, serv);
- printf("protocol %d: %s\n", prot, gai_strerror(res));
- errno = 0; /* clear errno */
- return -1;
- }
- /* loop on possible addresses */
- save = addr;
- while (addr != NULL) {
- /* get a socket */
- sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
- if ( (sock < 0) && (addr->ai_next == NULL) ) {
- printf("sockbind cannot create socket\n");
- return sock;
- } else continue;
- /* connect the socket */
- res = bind(sock, addr->ai_addr, addr->ai_addrlen);
- if ( (res < 0) && (addr->ai_next == NULL) ) {
- printf("sockbind cannot bind socket\n");
- return res;
- }
- addr=addr->ai_next;
- }
- freeaddrinfo(save); /* done, release memory */
- return sock;
-}
+++ /dev/null
-/* sockconn.c
- *
- * Copyright (C) 2004 Simone Piccardi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/****************************************************************
- *
- * Routine sockconn
- * Return a connected socket given hostname, service, and socket type
- *
- * Author: Simone Piccardi
- * Dec. 2004
- *
- * $Id$
- *
- ****************************************************************/
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-
-int sockconn(char *host, char *serv, int prot, int type)
-{
- struct addrinfo hint, *addr, *save;
- int res;
- int sock;
- int err;
- char buffer[INET6_ADDRSTRLEN];
- struct sockaddr_in *ip4;
- struct sockaddr_in6 *ip6;
- /* initialize hint structure */
- memset(&hint, 0, sizeof(struct addrinfo));
- hint.ai_family = PF_UNSPEC; /* generic address (IPv4 or IPv6) */
- hint.ai_protocol = prot; /* protocol */
- hint.ai_socktype = type; /* socket type */
- res = getaddrinfo(host, serv, &hint, &addr); /* calling getaddrinfo */
- if (res != 0) { /* on error exit */
- printf("sockconn cannot resolve host %s, service %s, ", host, serv);
- printf("protocol %d: %s\n", prot, gai_strerror(res));
- errno = 0; /* clear errno */
- return -1;
- }
- /* loop on possible addresses */
- save = addr;
- while (addr != NULL) {
- if (addr->ai_family == PF_INET) {
- ip4 = (struct sockaddr_in *) addr->ai_addr;
- printf("Indirizzo %s\n", inet_ntop(ip4->sin_family, &ip4->sin_addr,
- buffer, sizeof(buffer)));
- } else {
- ip6 = (struct sockaddr_in6 *) addr->ai_addr;
- printf("Indirizzo %s\n", inet_ntop(ip6->sin6_family,
- &ip6->sin6_addr,
- buffer, sizeof(buffer)));
- }
- /* get a socket */
- sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
- if (sock < 0) {
- if (addr->ai_next != NULL) {
- addr=addr->ai_next;
- continue;
- } else {
- printf("sockconn cannot create socket\n");
- return sock;
- }
- }
- /* connect the socket */
- res = connect(sock, addr->ai_addr, addr->ai_addrlen);
- if (res < 0) {
- if (addr->ai_next != NULL) {
- close(sock);
- addr=addr->ai_next;
- continue;
- } else {
- err = errno;
- close(sock);
- errno = err;
- printf("sockconn cannot connect socket\n");
- return res;
- }
- } else break;
- }
- freeaddrinfo(save); /* done, release memory */
- return sock;
-}
projects / gapil.git / commitdiff