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Diffstat (limited to 'lib/ic/examples/c-server/server.c')
| -rw-r--r-- | lib/ic/examples/c-server/server.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/lib/ic/examples/c-server/server.c b/lib/ic/examples/c-server/server.c deleted file mode 100644 index a04d60e9b1..0000000000 --- a/lib/ic/examples/c-server/server.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1998-2016. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <string.h> -#ifdef __WIN32__ -#include <winsock2.h> -#include <direct.h> -#include <windows.h> -#include <winbase.h> -#else /* not __WIN32__ */ -#include <errno.h> -#include <unistd.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> -#endif -#include "rmod_random__s.h" -#include "ei_connect.h" - -/* Used functions */ -extern int gethostname(char *buf, int buflen); -static int getport(int sockd); -static int getlisten(int port); -static int init(ei_cnode *ec, int *sd, int *portnr, int *epmd_fd); -void terminate(int *fd, int *sd, int *epmd_fd); -static void server_loop(ei_cnode *ec, int fd, int sd); - -/* change these, or even better, make command-line args to program... */ -#define COOKIE "flash" -#define SERVER "babbis" -#define NODENAMESZ 512 -#define HOSTNAMESZ 256 -#define INBUFSZ 1024 -#define OUTBUFSZ 1024 - - -int main(int argc, char **argv) -{ - int sd; - int portnr; - int epmd_fd; - ei_cnode ec; - - /* crate file descriptors */ - if (init(&ec, &sd, &portnr, &epmd_fd) < 0) - return -1; - - /* start server loop */ - server_loop(&ec, sd, epmd_fd); - - return 0; -} - - - -static void server_loop(ei_cnode *ec, int sd, int epmd_fd) -{ - ErlConnect conn; - erlang_msg msg; - int status=1; - CORBA_Environment *env; - - /* Create and init CORBA_Environment */ - env = CORBA_Environment_alloc(INBUFSZ,OUTBUFSZ); - - while (status >= 0) { - status = 1; - - if ((env->_fd = ei_accept(ec, sd, &conn)) < 0) { - /* error */ - fprintf(stderr,"Accept failed: %s\n",strerror(errno)); - } else { - /* connection */ - fprintf(stderr,"Accepted connection from %s\n",conn.nodename); - - while (status >= 0) { - - /* write message to buffer */ - status = ei_receive_encoded(env->_fd, &env->_inbuf, &env->_inbufsz, &msg, &env->_iin); - switch(status) { - case ERL_SEND: - case ERL_REG_SEND : - /* do transaction with fd */ - rmod_random__switch(NULL,env); - - switch(env->_major) { - case CORBA_NO_EXCEPTION: /* Success */ - break; - case CORBA_SYSTEM_EXCEPTION: /* System exception */ - printf("Request failure, reason : %s\n",(char *) CORBA_exception_value(env)); - CORBA_exception_free(env); - break; - default: /* Should not come here */ - CORBA_exception_free(env); - break; - } - - /* send outdata */ - if (env->_iout > 0) - ei_send_encoded(env->_fd,&env->_caller,env->_outbuf,env->_iout); - break; - - case ERL_TICK : - break; - default : /* < 0 */ - printf("Connection terminated\n"); - break; - } - } - } - status=0; /* restart */ - } - - /* close file descriptors */ - terminate(&env->_fd, &sd, &epmd_fd); - - /* Free env & buffers */ - CORBA_free(env->_inbuf); - CORBA_free(env->_outbuf); - CORBA_free(env); -} - - - -static int init(int *sd, int *portnr, int *epmd_fd) -{ - char host[HOSTNAMESZ]; - char servernode[NODENAMESZ]; - struct hostent *h; - - /* get the host name */ - if ((gethostname(host,HOSTNAMESZ))) - fprintf(stderr,"can't find own hostname\n"); - else { - /* identify host */ - if (!(h = erl_gethostbyname(host))) - fprintf(stdout,"can't find own ip address\n"); - else { - - /* get a listen port. 0 means let system choose port number */ - *sd = getlisten(0); - - /* what port did we get? */ - /* this call not necessary if we specified port in call to getlisten() */ - *portnr = getport(*sd); - - /* make the nodename server@host */ - sprintf(servernode,"%s@%s",SERVER,host); - - /* initiate */ - /* cnode, host, alive, alive@host, addr, cookie, creation */ - if (ei_connect_xinit(ec, host, SERVER, servernode, - (Erl_IpAddr)(h->h_addr_list[0]), - COOKIE, 0) == 0) { - /* let epmd know we are here */ - *epmd_fd = ei_publish(ec, *portnr); - if (*epmd_fd >= 0) - return 0; - } - } - } - return -1; -} - - -void terminate(int *fd, int *sd, int *epmd_fd) { - - close(*fd); - - /* remove info from epnd */ - close(*epmd_fd); - - /* return socket */ - close(*sd); - -} - - - -/* tells you what port you are using on given socket */ -static int getport(int sockd) -{ - struct sockaddr_in addr; - int namelen = sizeof(addr); - int i; - - memset(&addr,0,sizeof(addr)); - - if ((i = getsockname(sockd,(struct sockaddr *)&addr,&namelen))<0) - return i; - - return ntohs(addr.sin_port); -} - - - -/* return a listen socket, bound to given port */ -/* specify port = 0 to let system assign port */ -static int getlisten(int port) -{ - int sockd; - struct sockaddr_in inaddr; - int opt = 1; - int i; - - /* get listen socket */ - if ((sockd = socket(AF_INET,SOCK_STREAM,0)) < 0) return sockd; - - if ((i=setsockopt(sockd,SOL_SOCKET,SO_REUSEADDR,(void *)&opt,sizeof(opt)))<0) - return i; - - /* bind to requested port */ - memset(&inaddr,0,sizeof(inaddr)); - inaddr.sin_family = AF_INET; - inaddr.sin_addr.s_addr = htonl(INADDR_ANY); - inaddr.sin_port = htons(port); - - if ((i = bind(sockd,(struct sockaddr*) &inaddr, sizeof(inaddr))) < 0) - return i; - - listen(sockd,5); - - return sockd; -} |