This program must be compiled with the -D_BSD and -lbsd options. For example, use the cc prog.c -o prog -D_BSD -lbsd command.
/* * ATM Sockets SVC Client Example * * This program opens a opens an best effort SVC and sends data on it. * */ #include <stdio.h> #include <stddef.h> #include <stdlib.h> #include <errno.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/ndd_var.h> #include <sys/atmsock.h> #define BUFF_SIZE 8192 char buff[BUFF_SIZE]; main(argc, argv) int argc; char *argv[]; { int s; // Socket file descriptor int error; // Function return code int i; sockaddr_ndd_atm_t addr; // ATM Socket Address unsigned long size; // Size of socket argument aal_parm_t aal_parm; // AAL parameters blli_t blli[3]; // Broadband Lower Layer Info traffic_des_t traffic; // Traffic Descriptor bearer_t bearer; // Broadband Bearer Capability int o[20]; // Temorary variable for ATM // address cause_t cause; // Cause of failure // Create a socket in the AF_NDD domain of type SOCK_CONN_DGRAM // and NDD_PROT_ATM protocol. s = socket(AF_NDD, SOCK_CONN_DGRAM, NDD_PROT_ATM); if (s == -1) { // Socket either returns the file descriptor perror("socket"); // or a -1 to indicate an error. exit(-1); } // The bind command associates this socket with a particular // ATM device, as specified by addr.sndd_atm_nddname. addr.sndd_atm_len = sizeof(addr); addr.sndd_atm_family = AF_NDD; strcpy( addr.sndd_atm_nddname, "atm0" ); // The name of the ATM device // which is to be used. error = bind( s, (struct sockaddr *)&addr, sizeof(addr) ); if (error) { // An error from bind would indicate the perror("bind"); // requested ATM device is not available. exit(-1); // Check smitty devices. } /* endif */ // Set the AAL parameters. // See the ATM UNI 3.0 for valid combinations. bzero( aal_parm, sizeof(aal_parm_t) ); aal_parm.length = sizeof(aal_5_t); aal_parm.aal_type = CM_AAL_5; aal_parm.aal_info.aal5.fwd_max_sdu_size = 9188; aal_parm.aal_info.aal5.bak_max_sdu_size = 9188; aal_parm.aal_info.aal5.mode = CM_MESSAGE_MODE; aal_parm.aal_info.aal5.sscs_type = CM_NULL_SSCS; error = setsockopt( s, 0, SO_ATM_AAL_PARM, (void *)&aal_parm, sizeof(aal_parm_t) ); if (error) { perror("setsockopt SO_AAL_PARM"); exit(-1); } /* endif */ // Up to three BLLI may be specified in the setup message. // If a BLLI contains valid information, its length must be // set to sizeof(blli_t). Otherwise set its length to 0. bzero(blli, sizeof(blli_t) * 3); blli[0].length = sizeof(blli_t); // Only use the first BLLI blli[1].length = 0; blli[2].length = 0; // This call will be delivered to the application that is // listening for calls that match these two parameters. blli[0].L2_prot = CM_L2_PROT_USER; blli[0].L2_info = 1; // Fields that are not used must be set to NOT_SPECIFIED_B (byte) blli[0].L2_mode = NOT_SPECIFIED_B; blli[0].L2_win_size = NOT_SPECIFIED_B; blli[0].L3_prot = NOT_SPECIFIED_B; blli[0].L3_mode = NOT_SPECIFIED_B; blli[0].L3_def_pkt_size = NOT_SPECIFIED_B; blli[0].L3_pkt_win_size = NOT_SPECIFIED_B; blli[0].L3_info = NOT_SPECIFIED_B; blli[0].ipi = NOT_SPECIFIED_B; blli[0].snap_oui[0] = NOT_SPECIFIED_B; blli[0].snap_oui[1] = NOT_SPECIFIED_B; blli[0].snap_oui[2] = NOT_SPECIFIED_B; blli[0].snap_pid[0] = NOT_SPECIFIED_B; blli[0].snap_pid[1] = NOT_SPECIFIED_B; blli[1].length = 0; /* sizeof(blli_t); */ blli[2].length = 0; error = setsockopt( s, 0, SO_ATM_BLLI, (void *)&blli, sizeof(blli) ); if (error) { perror("setsockopt SO_ATM_BLLI"); exit(-1); } /* endif */ // Set the Traffic Descriptor // See the ATM UNI 3.0 for valid settings. bzero( traffic, sizeof(traffic_des_t) ); // Here we specify a 25 Mbps best effort connection. Best effort // indicates that the adapter should not enforce the transmission // rate. Note that the minimum rate will be depend on what // best effort rate queues have bet configured for the ATM adapter. // See SMIT for details. traffic.best_effort = TRUE; // No rate enforcement traffic.fwd_peakrate_lp = 25000; // Kbps traffic.bak_peakrate_lp = 25000; // Kbps traffic.tagging_bak = FALSE; traffic.tagging_fwd = FALSE; // Fields that are not used must be set to NOT_SPECIFIED_L (long) traffic.fwd_peakrate_hp = NOT_SPECIFIED_L; traffic.bak_peakrate_hp = NOT_SPECIFIED_L; traffic.fwd_sus_rate_hp = NOT_SPECIFIED_L; traffic.bak_sus_rate_hp = NOT_SPECIFIED_L; traffic.fwd_sus_rate_lp = NOT_SPECIFIED_L; traffic.bak_sus_rate_lp = NOT_SPECIFIED_L; traffic.fwd_bur_size_hp = NOT_SPECIFIED_L; traffic.bak_bur_size_hp = NOT_SPECIFIED_L; traffic.fwd_bur_size_lp = NOT_SPECIFIED_L; traffic.bak_bur_size_lp = NOT_SPECIFIED_L; error = setsockopt( s, 0, SO_ATM_TRAFFIC_DES, (void *)&traffic, sizeof(traffic_des_t) ); if (error) { perror("set traffic"); exit(-1); } /* endif */ // Set the Broadband Bearer Capability // See the UNI 3.0 for valid combinations bearer.bearer_class = CM_CLASS_C; bearer.traffic_type = NOT_SPECIFIED_B; bearer.timing = NOT_SPECIFIED_B; bearer.clipping = CM_NOT_SUSCEPTIBLE; bearer.connection_cfg = CM_CON_CFG_PTP; error = setsockopt( s, 0, SO_ATM_BEARER, (void *)&bearer, sizeof(bearer_t) ); if (error) { perror("set bearer"); exit(-1); } /* endif */ printf("Input ATM address to be called:\n"); i = scanf( "%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x", &o[0], &o[1], &o[2], &o[3], &o[4], &o[5], &o[6], &o[7], &o[8], &o[9], &o[10], &o[11], &o[12], &o[13], &o[14], &o[15], &o[16], &o[17], &o[18], &o[19] ); if (i != 20) { printf("invalid atm address\n"); exit(-1); } for (i=0; i<20; i++) { addr.sndd_atm_addr.number.addr[i] = o[i]; } /* endfor */ addr.sndd_atm_addr.length = ATM_ADDR_LEN; addr.sndd_atm_addr.type = CM_INTL_ADDR_TYPE; addr.sndd_atm_addr.plan_id = CM_NSAP; addr.sndd_atm_addr.pres_ind = NOT_SPECIFIED_B; addr.sndd_atm_addr.screening = NOT_SPECIFIED_B; addr.sndd_atm_vc_type = CONN_SVC; error = connect( s, (struct sockaddr *)&addr, sizeof(addr) ); if (error) { perror("connect"); // If a connect fails, the cause structure may contain useful // information for determining the reason of the failure. // See the ATM UNI 3.0 for a description of the cause values. size = sizeof(cause_t); error = getsockopt(s, 0, SO_ATM_CAUSE, (void *)&cause, &size); if (error) { perror("SO_ATM_CAUSE"); } else { printf("cause = %d\n", cause.cause ); } /* endif */ exit(-1); } /* endif */ while (1) { error = send( s, buff, BUFF_SIZE, 0 ); if (error == -1) { // If a send fails, the cause structure may contain useful // information for determining the reason of the failure. // The connection might have been closed by the other party, // or the physical network might have been disconnected. // See the ATM UNI 3.0 for a description of the cause values. // If the send failed for some other reason, the errno will // indicate this. perror("send"); size = sizeof(cause_t); error = getsockopt(s, 0, SO_ATM_CAUSE, (void *)&cause, &size); if (error) { perror("SO_ATM_CAUSE"); } else { printf("cause = %d\n", cause.cause ); } exit(-1); } else { printf("sent %d bytes\n", error ); } sleep(1); } }