IP_STATIC IPCOM_PROCESS( ipcom_cmd_smptest_server_spawn ) { union { struct Ip_sockaddr sa; #ifdef IPCOM_USE_INET6 struct Ip_sockaddr_in6 sin6; #endif struct Ip_sockaddr_storage ss; struct Ip_sockaddr_in sin; } addr; Ip_fd listen_socket; Ip_fd connect_sock = 0; int opt_val = 1; int portadd = spawn_number_server++; int bytes = 0; int sec = SECONDS_CLIENT + SECONDS_SERVER; unsigned char *buf = 0; int num_recives = 0; unsigned long num_bytes = 0; struct Ip_sockaddr from; struct Ip_linger linger; Ip_socklen_t from_length = 0; int retry_count = 0; ipcom_proc_init(); ipcom_memset( &addr.ss, 0, sizeof( addr.ss ) ); ipcom_memcpy( &addr.sa, smp_opt_server.res->ai_addr, smp_opt_server.res->ai_addrlen ); linger.l_onoff = 1; linger.l_linger = 2; listen_socket = ipcom_socket( smp_opt_server.res->ai_family, smp_opt_server.res->ai_socktype, smp_opt_server.res->ai_protocol ); if (listen_socket == IP_SOCKERR) { ipcom_printf("Failed to create socket: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } if ( 0 != ipcom_setsockopt(listen_socket, IP_SOL_SOCKET, IP_SO_REUSEPORT, &opt_val, sizeof (opt_val)) ) { ipcom_printf("ipcom_setsockopt failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } addr.sin.sin_port = ip_htons( smp_opt_server.port + portadd ); /* port is in the same place for IPv4 and IPv6 */ if ( 0 != ipcom_bind( listen_socket, &addr.sa, sizeof( addr.ss ) ) ) { ipcom_printf("Failed to bind: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } buf = ipcom_malloc( smp_opt_server.num_bytes ); if ( smp_opt_server.tcp ) { if ( -1 == ipcom_listen( listen_socket, 0 ) ) { ipcom_printf("Listen failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } if ( verbose ) ipcom_printf("Thread %d listens to %s:%d"IP_LF, portadd, smp_opt_server.res->ai_canonname, ip_ntohs( addr.sin.sin_port ) ); } if ( 0 == ipcom_atomic_sub_and_return( &listen_wait, 1 ) ) { /* Send to the test-server or write to stdout? */ if ( server_out >= 0 ) { char ready[] = "Ready."; ipcom_socketwrite(server_out, ready, 8 ); } else ipcom_printf("Ready."IP_LF ); } if ( 0 != ipcom_socketioctl( listen_socket, IP_X_SIOCSINTR, &sec ) ) { ipcom_printf("ipcom_socketioctl failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } if ( smp_opt_server.tcp ) { retry: connect_sock = ipcom_accept( listen_socket, IP_NULL, 0 ); if ( -1 == connect_sock ) { if ( ipcom_errno == IP_ERRNO_EINTR ) { if ( verbose ) { if ( ++retry_count < 5 ) { ipcom_printf("Accept failed for thread %d: %s.. Retrying."IP_LF, portadd, ipcom_strerror(ipcom_errno)); goto retry; } } } ipcom_printf("Accept failed for thread %d: %s"IP_LF, portadd, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_socketclose( listen_socket ); ipcom_sem_post( sem_wait_server ); return; } if ( 0 != ipcom_socketioctl( connect_sock, IP_X_SIOCSINTR, &sec ) ) { ipcom_printf("ipcom_socketioctl failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } if ( 0 != ipcom_setsockopt( connect_sock, IP_SOL_SOCKET, IP_SO_LINGER, &linger, sizeof (linger)) ) { ipcom_printf("ipcom_setsockopt failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } } while ( 1 ) { num_recives++; if ( smp_opt_server.tcp ) bytes = ipcom_recv( connect_sock, buf, smp_opt_server.num_bytes, 0); else { bytes = ipcom_recvfrom( listen_socket, buf, smp_opt_server.num_bytes, 0, &from, &from_length ); if ( num_recives == 1 && 0 == smp_opt_server.tcp ) { sec = SECONDS_CLIENT+2+portadd; if ( 0 != ipcom_socketioctl( listen_socket, IP_X_SIOCSINTR, &sec ) ) { ipcom_printf("ipcom_socketioctl failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return_server = 1; ipcom_sem_post( sem_wait_server ); return; } } } if ( bytes > 0 ) num_bytes += bytes; if (bytes == 0) { if ( verbose ) { ipcom_printf("Thread %d done."IP_LF, portadd ); ipcom_printf(" Recives: %d"IP_LF, num_recives ); ipcom_printf(" MB/s: %f"IP_LF, ((float)(num_bytes)/(1024.0f*1024.0f) )/5.0f ); } break; } else if (bytes < 0) { if ( ipcom_errno == IP_ERRNO_EINTR ) { if ( smp_opt_server.tcp ) { return_server = 1; ipcom_printf("Error! Out of time!"IP_LF ); break; } else { if ( verbose ) { ipcom_printf("Thread %d done."IP_LF, portadd ); ipcom_printf(" Recives: %d"IP_LF, num_recives ); ipcom_printf(" MB/s: %f"IP_LF, ((float)(num_bytes)/(1024.0f*1024.0f) )/5.0f ); } break; } } else if ( bytes == IP_SOCKERR ) /* Connection reset by peer */ { } return_server = 1; ipcom_printf("recv failed: %s"IP_LF, ipcom_strerror(ipcom_errno)); return; } } if ( verbose ) { if ( spawn_number_server != smp_opt_server.num_sock ) { ipcom_printf("Error. Only %d server-sockets seemed to work."IP_LF, spawn_number_server ); } } if ( smp_opt_server.tcp ) ipcom_shutdown( connect_sock, IP_SHUT_RDWR ); ipcom_free( buf ); ipcom_socketclose( listen_socket ); if ( 0 == ipcom_atomic_sub_and_return( &num_wait_server, 1 ) ) ipcom_sem_post( sem_wait_server ); if ( smp_opt_server.tcp ) ipcom_socketclose( connect_sock ); ipcom_proc_exit(); }
/* *=========================================================================== * ipl2tps *=========================================================================== * Description: * Parameters: * Returns: * */ IP_STATIC IPCOM_PROCESS(ipl2tps) { Ip_fd ipd_fd = IP_INVALID_SOCKET; Ip_bool ipd_init = 0; #ifdef IPPPP_USE_PPPL2TP Ip_fd ipl2tp_ppp_ipc_recv_fd = IP_INVALID_SOCKET; #endif ipcom_proc_init(); #ifdef IPPPP_USE_PPPL2TP if ((ipl2tp_ppp_ipc_recv_fd = ipppp_pppl2tp_pkt_que_open()) == IP_INVALID_SOCKET) { ipcom_printf("Cannot allocate data packet output socket, errno: %d"IP_LF, ipcom_errno); goto leave; } #endif /* Get socket */ if ((udp_fd = ipcom_socket(IP_AF_INET, IP_SOCK_DGRAM, IP_IPPROTO_UDP)) < 0) { ipcom_printf("Cannot allocate socket, errno: %d"IP_LF, ipcom_errno); goto leave; } else { union Ip_sockaddr_union uaddr; /* Bind to L2TP port */ ipcom_memset(&uaddr, 0, sizeof(uaddr)); uaddr.sin.sin_family = IP_AF_INET; uaddr.sin.sin_addr.s_addr = IP_INADDR_ANY; uaddr.sin.sin_port = ip_htons(IPL2TP_PORT_NUMBER); uaddr.sin.sin_len = sizeof(struct Ip_sockaddr_in); if (ipcom_bind(udp_fd, &uaddr.sa, sizeof(struct Ip_sockaddr_in)) < 0) { ipcom_printf("Cannot bind socket, errno: %d"IP_LF, ipcom_errno); ipcom_socketclose(udp_fd); goto leave; } } /* Get socket */ if ((ip_fd = ipcom_socket(IP_AF_INET, IP_SOCK_RAW, IP_IPPROTO_L2TP)) < 0) { ipcom_printf("Cannot allocate socket, errno: %d"IP_LF, ipcom_errno); ipcom_socketclose(udp_fd); goto leave; } /* Init IPD */ if (ipd_init == 0 && ipcom_ipd_init("ipl2tp", IPCOM_SUCCESS, &ipd_fd) != IPCOM_SUCCESS) { ipcom_printf("Cannot initialize ipd: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto leave; } ipd_init = 1; /* Enter read loop (never return) */ for (;;) { Ip_fd_set fds; Ipl2tp_example_fd_entry_t *fd; int fd_max; struct Ip_timeval tv; int ret; IP_FD_ZERO(&fds); IP_FD_SET(udp_fd, &fds); IP_FD_SET(ip_fd, &fds); IP_FD_SET(ipd_fd, &fds); fd_max = IP_MAX(udp_fd, ip_fd); fd_max = IP_MAX(fd_max, ipd_fd); #ifdef IPPPP_USE_PPPL2TP IP_FD_SET(ipl2tp_ppp_ipc_recv_fd, &fds); fd_max = IP_MAX(fd_max, ipl2tp_ppp_ipc_recv_fd); #endif fd = IPCOM_LIST_FIRST(&ipl2tp_example_fds); while (fd != IP_NULL) { Ipl2tp_example_fd_entry_t *nfd = IPCOM_LIST_NEXT(&fd->next); if (fd->data != IP_NULL) { IP_FD_SET(fd->fd, &fds); fd_max = IP_MAX(fd_max, fd->fd); } else { ipcom_list_remove(&fd->next); ipcom_socketclose(fd->fd); ipcom_free(fd); } fd = nfd; } tv.tv_sec = 0; tv.tv_usec = 10000; if ((ret = ipcom_socketselect(fd_max + 1, &fds, IP_NULL, IP_NULL, &tv)) > 0) { union Ip_sockaddr_union uaddr; int length; Ip_u8 *buffer; if (IP_FD_ISSET(ipd_fd, &fds)) { int event; event = ipcom_ipd_input(ipd_fd); if (event == IPCOM_IPD_EVENT_RECONFIGURE) goto leave; } #ifdef IPPPP_USE_PPPL2TP if (IP_FD_ISSET(ipl2tp_ppp_ipc_recv_fd, &fds)) { Ipppp_pppl2tp_pkt_que_entry que_entry; Ipcom_netif *netif; Ipcom_pkt *pkt; char addrstr[IP_INET_ADDRSTRLEN]; /* Read message and feed it to L2TP main input */ if (ipppp_pppl2tp_pkt_que_recv(&que_entry, &uaddr) == IPCOM_SUCCESS) { if ((que_entry.netif == IP_NULL) || (que_entry.pkt == IP_NULL)) { ipcom_printf("ipl2tps: L2TPv2 pkt from %s:%d contains null ptr(s)."IP_LF, ipcom_inet_ntop(IP_AF_INET, &uaddr.sin.sin_addr, addrstr, sizeof(addrstr)), ipcom_ntohs(uaddr.sin.sin_port)); } else { pkt = que_entry.pkt; netif = que_entry.netif; ipppp_pppl2tp_output(netif, pkt); } } else ipcom_printf("ipl2tps: PPP pkt recv failed."IP_LF); } #endif /* IPPPP_USE_PPPL2TP */ if (IP_FD_ISSET(udp_fd, &fds)) { /* Read message and feed it to L2TP main input */ if ((length = ipl2tp_l2tp_read(udp_fd, &buffer, &uaddr)) > 0) { ipl2tp_api_l2tp_input(buffer, buffer + HEADER_SPACE, (Ip_u16)length, &uaddr, IPL2TP_ATTR_TRANSPORT_UDP); /* Free buffer if not in PPP output queue */ if (ipl2tp_buffer_free) { ipl2tp_cache_free(buffer); } } } if (IP_FD_ISSET(ip_fd, &fds)) { /* Read message and feed it to L2TP main input */ if ((length = ipl2tp_l2tp_read(ip_fd, &buffer, &uaddr)) > 0) { /* Remove the IP header before invoking */ ipl2tp_api_l2tp_input(buffer, buffer + HEADER_SPACE + 20, (Ip_u16)(length - 20), &uaddr, IPL2TP_ATTR_TRANSPORT_IP); /* Free buffer if not in PPP output queue */ if (ipl2tp_buffer_free) { ipl2tp_cache_free(buffer); } } } fd = IPCOM_LIST_FIRST(&ipl2tp_example_fds); while (fd != IP_NULL) { Ipl2tp_example_fd_entry_t *nfd = IPCOM_LIST_NEXT(&fd->next); if (fd->data!= IP_NULL && IP_FD_ISSET(fd->fd, &fds)) { /* Read message and feed it to L2TP main input */ if ((length = ipl2tp_l2tp_read(fd->fd, &buffer, &uaddr)) > 0) { if (fd->data != IP_NULL) { (*fd->data) (fd, buffer, buffer + HEADER_SPACE, length); } /* Free buffer if not in PPP output queue */ if (ipl2tp_buffer_free) { ipl2tp_cache_free(buffer); } } } fd = nfd; } } else if (ret < 0) { ipcom_printf("select error"IP_LF); } } leave: /* Have to call ipd init if not done yet */ if (ipd_init == 0 && ipcom_ipd_init("ipl2tp", IPCOM_ERR_FAILED, &ipd_fd) == IPCOM_SUCCESS) { ipd_init = 1; } if (ipd_init != 0) { (void)ipcom_ipd_exit("ipl2tp", ipd_fd); } ipcom_proc_exit(); }
/* *=========================================================================== * ipcom_cmd_ttcp *=========================================================================== */ int ipcom_cmd_ttcp(int argc, char **argv) { /* Uninitialized variables. */ union Ip_sockaddr_union addrme; char *host = IP_NULL; /* ptr to name of host */ int c; Ip_u32 msec0, msec1, msecd, bpermsec, kbpersec; Ip_fd sockfd = -1; char *buf; /* ptr to dynamic buffer */ char *orgbuf = 0; /* the buffer to free. */ struct Ipcom_cmd_ttcp_data context; /* misc initialized variables. */ #ifdef IPCOM_USE_TCP union Ip_sockaddr_union frominet; Ip_socklen_t fromlen; int one = 1; /* for 4.3 BSD style setsockopt() */ Ip_fd oldfd; /* fd of network socket */ #endif Ip_u32 nbytes = 0; /* bytes on net */ int trans = 1; /* 0=receive, !0=transmit mode. Default transmit! */ /* Configuration variables. */ #if defined(IP_SO_X_VR) int vr = 0; #endif int buflen = 8 * 1024; /* length of buffer */ int nbuf = 2 * 1024; /* number of buffers to send in sinkmode */ int bufoffset = 0; /* align buffer to this */ int bufalign = 16; /* modulo this */ int options = 0; /* socket options */ unsigned short port = DEFAULT_PORT; /* TCP port number */ unsigned short meport = 0; /* local port, default 0. */ int sinkmode = 1; /* 0=normal I/O, !0=sink/source mode */ int verbose = 0; /* 0=print basic info, 1=print cpu rate, proc resource usage. */ int sockbufsize = -1; /* Default socket buffer size to use. */ #ifdef IP_TCP_NODELAY int nodelay = 0; /* set TCP_NODELAY socket option. */ #endif int enable = 1; #ifdef TCP_OSERFC2385 char *md5opt = IP_NULL; #endif #ifdef IP_SO_REUSEPORT int reuse_port = 0; #endif #ifdef IPCOM_TTCP_REENTRANT union Ip_sockaddr_union addrhim; #endif int sock_error; int mev = 0; /* Use event logging */ int nend = 5; /* Number of UDP end packets */ #ifdef IPCOM_CMD_TTCP_USE_ZEROCOPY_API int zerocopy = 0; #endif int cpu = -1; #ifdef IPSCTP Ip_bool sctp_type_conflict = IP_FALSE; #endif /* Initialize some static data, default configuration. */ #ifdef IPCOM_USE_TCP int proto = IP_IPPROTO_TCP; int sock_type = IP_SOCK_STREAM; const char *proto_as_str = "TCP"; context.udp = 0; /* Default is TCP. */ #else int proto = IP_IPPROTO_UDP; int sock_type = IP_SOCK_DGRAM; const char *proto_as_str = "UDP"; context.udp = 1; /* Only UDP. */ #endif context.b_flag = 0; context.touchdata = 0; context.numCalls = 0; context.err_no = 0; #ifdef IPCOM_USE_INET context.family = IP_AF_INET; /* default IPv4 */ #else context.family = IP_AF_INET6; /* default IPv6 */ #endif context.addrsize = sizeof(struct Ip_sockaddr_in); (void)ipcom_proc_self(); /* when called from vxworks shell, this prevents a crash */ (void)options; /* Init some more. */ ipcom_memset(&addrhim, 0, sizeof (addrhim)); IPCOM_SA_LEN_SET(&addrhim.sin, sizeof(struct Ip_sockaddr_in)); addrhim.sin.sin_family = IP_AF_INET; ipcom_memset(&addrme, 0, sizeof(addrme)); IPCOM_SA_LEN_SET(&addrme.sin, sizeof(struct Ip_sockaddr_in)); addrme.sin.sin_family = IP_AF_INET; #ifdef IP_PORT_INTEGRITY ipcom_init_libsocket(); #endif if (argc < 2) goto usage; ipcom_getopt_clear(); while ((c = ipcom_getopt(argc, argv, "M:xdrstUuvBDTb:f:l:n:p:A:O:V:RP:me:a:cS")) != -1) { switch (c) { #ifdef TCP_OSERFC2385 case 'M': /* MD5 signature option */ md5opt = ip_optarg; break; #endif #ifdef IPCOM_USE_INET6 case 'x': context.family = IP_AF_INET6; break; #endif case 'm': mev = 1; break; case 'e': nend = ipcom_atoi(ip_optarg); break; case 'B': context.b_flag = 1; break; case 't': trans = 1; break; case 'r': trans = 0; break; #ifdef IP_SO_DEBUG case 'd': options |= IP_SO_DEBUG; break; #endif case 'D': #ifdef IP_TCP_NODELAY nodelay = 1; #else ipcom_fprintf(ip_stderr, "ttcp: -D option ignored: IP_TCP_NODELAY socket option not supported"IP_LF); #endif break; case 'n': nbuf = ipcom_atoi(ip_optarg); break; case 'l': buflen = ipcom_atoi(ip_optarg); break; case 's': #ifdef IPCOM_TTCP_USE_STDIOMODE sinkmode = !sinkmode; #endif break; case 'p': port = (unsigned short)ipcom_atoi(ip_optarg); break; case 'P': meport = (unsigned short)ipcom_atoi(ip_optarg); break; #ifdef IPCOM_CMD_TTCP_USE_ZEROCOPY_API case 'U': zerocopy = 1; /* fall through */ #endif case 'u': proto = IP_IPPROTO_UDP; sock_type = IP_SOCK_DGRAM; proto_as_str = "UDP"; context.udp = 1; break; case 'v': verbose = 1; break; case 'A': bufalign = ipcom_atoi(ip_optarg); break; case 'O': bufoffset = ipcom_atoi(ip_optarg); break; case 'b': #if defined(IP_SO_SNDBUF) || defined(IP_SO_RCVBUF) sockbufsize = ipcom_atoi(ip_optarg); #else ipcom_fprintf(ip_stderr, "ttcp: -b option ignored: IP_SO_SNDBUF/IP_SO_RCVBUF socket options not supported"IP_LF); #endif break; #ifdef IP_SO_REUSEPORT case 'R': reuse_port = 1; break; #endif case 'T': context.touchdata = 1; break; #if defined(IP_SO_X_VR) case 'V': vr = ipcom_atoi(ip_optarg); break; #endif case 'a': cpu = ipcom_atoi(ip_optarg); break; #ifdef IPSCTP case 'c': proto = IP_IPPROTO_SCTP; sock_type = IP_SOCK_STREAM; proto_as_str = "SCTP"; if (IP_TRUE == sctp_type_conflict) { ipcom_fprintf(ip_stderr, "ttcp: c/S conflict in command."IP_LF); goto errorout; } sctp_type_conflict = IP_TRUE; break; case 'S': proto = IP_IPPROTO_SCTP; sock_type = IP_SOCK_SEQPACKET; proto_as_str = "SCTP"; if (IP_TRUE == sctp_type_conflict) { ipcom_fprintf(ip_stderr, "ttcp: c/S conflict in command."IP_LF); goto errorout; } sctp_type_conflict = IP_TRUE; break; #endif default: goto usage; } } #ifndef IP_PORT_LAS if (cpu >= 0) { Ip_cpu_set_t cpuset; if (cpu < 0 || cpu >= IP_CPU_SETSIZE) { ipcom_fprintf(ip_stderr, "ttcp: CPU must be between #0 and #%d"IP_LF, IP_CPU_SETSIZE-1); return -1; } IP_CPU_ZERO(&cpuset); IP_CPU_SET(cpu, &cpuset); if (ipcom_proc_cpu_affinity_set(0, &cpuset) != IPCOM_SUCCESS) { ipcom_fprintf(ip_stderr, "ttcp: Failed to set affinity to CPU #%d"IP_LF, cpu); return -1; } } #endif /* IP_PORT_LAS */ if(trans) { host = argv[ip_optind]; if (host == 0) goto usage; sock_error = ipcom_getsockaddrbyaddrname(context.family, IP_FALSE, host, (struct Ip_sockaddr *)&addrhim); if(sock_error != 0) { ipcom_fprintf(ip_stderr, "ttcp error: ipcom_getsockaddrbyaddrname failed, errno = %d."IP_LF, sock_error); ttcperror(&context, "unknown host"); } addrme.sin.sin_port = ip_htons(meport); addrhim.sin.sin_port = ip_htons(port); /* same port offset for IPv4 and IPv6 */ } else { /* rcvr */ addrme.sin.sin_port = ip_htons(port); } #ifdef IPCOM_USE_INET6 if(context.family == IP_AF_INET6) { context.addrsize = sizeof(struct Ip_sockaddr_in6); IPCOM_SA_LEN_SET(&addrme.sin6, sizeof(struct Ip_sockaddr_in6)); addrme.sin6.sin6_family = IP_AF_INET6; IPCOM_SA_LEN_SET(&addrhim.sin6, sizeof(struct Ip_sockaddr_in6)); addrhim.sin6.sin6_family = IP_AF_INET6; } #endif /* Send more than the sentinel size - UDPMINLEN. */ if(context.udp && buflen <= UDPMINLEN) buflen = UDPMINLEN + 1; /* Align buffer. */ if ((buf = (char *) ipcom_malloc(buflen + bufalign)) == (char *) IP_NULL) ttcperror(&context, "malloc"); else orgbuf = buf; if (bufalign != 0) buf += (bufalign - ((Ip_ptrdiff_t) buf % bufalign) + bufoffset) % bufalign; /* Get a socket. */ if ((sockfd = ipcom_socket(context.family, sock_type, proto)) == ERR) ttcperror(&context,"socket"); if (trans) { if(sockbufsize < 0) { if(context.udp) sockbufsize = DEFAULT_UDP_SNDBUF; else sockbufsize = DEFAULT_TCP_SNDBUF; } ipcom_fprintf(ip_stdout, "ttcp-t: fd=%d, buflen=%d, nbuf=%d, align=%d/%d, port=%d", sockfd, buflen, nbuf, bufalign, bufoffset, (int)port); if (sockbufsize) ipcom_fprintf(ip_stdout, ", sockbufsize=%d", sockbufsize); ipcom_fprintf(ip_stdout, " %s -> %s"IP_LF, proto_as_str, host); } else { if(sockbufsize < 0) { if(context.udp) sockbufsize = DEFAULT_UDP_RCVBUF; else sockbufsize = DEFAULT_TCP_RCVBUF; } ipcom_fprintf(ip_stdout, "ttcp-r: fd=%d, buflen=%d, nbuf=%d, align=%d/%d, port=%d", sockfd, buflen, nbuf, bufalign, bufoffset, (int)port); if (sockbufsize) ipcom_fprintf(ip_stdout, ", sockbufsize=%d", sockbufsize); ipcom_fprintf(ip_stdout, " %s"IP_LF, proto_as_str); } /* Code to open socket is moved to before the printf to get 'sockfd' right. */ mes(trans, "socket"); /* Set REUSE addr */ if(ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_REUSEADDR, (char *)&enable, sizeof (int)) == ERR) ttcperror(&context, "setsockopt(IP_SO_REUSEADDR)"); else mes(trans, "setsockopt(IP_SO_REUSEADDR)"); #ifdef IP_SO_REUSEPORT /* Set REUSE port */ if(reuse_port) { if(ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_REUSEPORT, (char *)&reuse_port, sizeof (int)) == ERR) ttcperror(&context, "setsockopt(IP_SO_REUSEPORT)"); else mes(trans, "setsockopt(IP_SO_REUSEPORT)"); } #endif #ifdef IPCOM_USE_TCP #ifdef TCP_OSERFC2385 if (!udp && md5opt) { if (ipcom_setsockopt(sockfd, IPPROTO_TCP, TCP_OSERFC2385, md5opt, strlen(md5opt)) == ERR) { ttcperror(&context, "setsockopt(IP_SO_REUSEADDR)"); } else { mes(trans, "setsockopt(IP_SO_REUSEADDR)"); } } #endif #endif /* Set routing table index in socket. */ #if defined(IP_SO_X_VR) if(vr != 0) { if (ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_X_VR, (char *)&vr, 4) == ERR) ttcperror(&context, "setsockopt: vr"); else mes(trans, "setsockopt(vr)"); } #endif /* Bind the socket. */ if(ipcom_bind(sockfd, (struct Ip_sockaddr *)&addrme, context.addrsize) == ERR) ttcperror(&context, "bind"); else #ifdef IPCOM_USE_INET6 ipcom_fprintf(ip_stderr, "ttcp%s: bind %s %d"IP_LF, trans ? "-t" : "-r", context.family == IP_AF_INET ? "IPv4" : "IPv6", (int)ip_ntohs(addrme.sin.sin_port)); #else { char tmpbuf[32]; ipcom_sprintf(tmpbuf, "bind %d", ip_ntohs(addrme.sin.sin_port)); mes(trans, tmpbuf); } #endif /* Adjust socker buffer size. */ #if defined(IP_SO_SNDBUF) || defined(IP_SO_RCVBUF) if(sockbufsize) { if (trans) { if (ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_SNDBUF, (char *)&sockbufsize, sizeof sockbufsize) == ERR) ttcperror(&context,"setsockopt: sndbuf"); else mes(trans, "setsockopt(sndbuf)"); } else { if (ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_RCVBUF, (char *)&sockbufsize, sizeof sockbufsize) == ERR) ttcperror(&context,"setsockopt: rcvbuf"); else mes(trans, "setsockopt(rcvbuf)"); } } #endif /* If TCP we need to connect else accept to remote side. */ #ifdef IPCOM_USE_TCP if (context.udp) { mes(trans, "opened"); } else { /* We are the client if transmitting */ if(trans) { if(options) { if(ipcom_setsockopt(sockfd, IP_SOL_SOCKET, options, (char *)&one, sizeof (one)) == ERR) ttcperror(&context,"setsockopt"); } #ifdef IP_TCP_NODELAY if(nodelay) { if(ipcom_setsockopt(sockfd, IP_IPPROTO_TCP, IP_TCP_NODELAY, (char *)&one, sizeof (one)) == ERR) ttcperror(&context,"setsockopt: nodelay"); mes(trans, "nodelay"); } #endif if(ipcom_connect(sockfd, (struct Ip_sockaddr *)&addrhim, context.addrsize) == ERR) ttcperror(&context,"connect"); else mes(trans, "connect"); } /* Otherwise, we are the TCP server and should listen for the connections. */ else { if(ipcom_listen(sockfd, 0) == ERR) ttcperror(&context,"listen"); else mes(trans, "listen"); if(options) { if(ipcom_setsockopt(sockfd, IP_SOL_SOCKET, options, (char *)&one, sizeof (one)) == ERR) ttcperror(&context,"setsockopt"); } fromlen = context.addrsize; oldfd = sockfd; #ifdef IPSCTP if ((IP_SOCK_SEQPACKET == sock_type) && (IP_IPPROTO_SCTP == proto)) { #define TTCP_SCTP_RCV_BUF_LEN 128 struct Ipsctp_event_subscribe events; union Ip_sockaddr_union local_addr; struct Ipsctp_sndrcvinfo sinfo; Ip_u32 len = 0; char pbuf[TTCP_SCTP_RCV_BUF_LEN]; int flags = 0; int ret = 0; /* set data I/O event flag */ ipcom_memset(&events, 0, sizeof(events)); events.Ipsctp_data_io_event = 1; ret = ipcom_setsockopt(sockfd, IP_IPPROTO_SCTP, IPSCTP_EVENTS, (void *)&events, sizeof(events)); if (ERR == ret) ttcperror(&context, "setsockopt events"); /* get the association identifier */ ipcom_memset(pbuf, 0, TTCP_SCTP_RCV_BUF_LEN); len = sizeof(local_addr); /* Wait for connections */ ret = ipsctp_recvmsg(sockfd, pbuf, TTCP_SCTP_RCV_BUF_LEN, &local_addr.sa, &len, &sinfo, &flags); sockfd = ipsctp_peeloff(sockfd, sinfo.sinfo_assoc_id); if (IP_SOCKERR == sockfd) ttcperror(&context,"peeloff"); } else #endif { if((sockfd = ipcom_accept(sockfd, (struct Ip_sockaddr *)&frominet, &fromlen)) == ERR) ttcperror(&context,"accept"); } { union Ip_sockaddr_union peer; Ip_socklen_t peerlen = context.addrsize; /* Close the mother socket. */ if(ipcom_socketclose(oldfd) == ERR) ttcperror(&context,"close of oldfd."); #if defined(IP_SO_RCVBUF) /* Had to add this code in addition to the above because some stacks don't inherit * the receive buffer size from the server socket. /Lennart Bang Enea Ose Systems 980116. */ if(sockbufsize) { if(ipcom_setsockopt(sockfd, IP_SOL_SOCKET, IP_SO_RCVBUF, (char *)&sockbufsize, sizeof sockbufsize) == ERR) ttcperror(&context,"setsockopt: rcvbuf"); else mes(trans, "setsockopt(rcvbuf)"); } #endif if(ipcom_getpeername(sockfd, (struct Ip_sockaddr *) &peer, &peerlen) == ERR) ttcperror(&context, "getpeername"); #ifdef IPCOM_USE_INET if(context.family == IP_AF_INET) { char addr[16]; ipcom_fprintf(ip_stderr, "ttcp-r: accept from %s"IP_LF, ipcom_inet_ntop(IP_AF_INET, &peer.sin.sin_addr, addr, sizeof(addr))); } #endif #ifdef IPCOM_USE_INET6 if(context.family == IP_AF_INET6) { char addr[40]; ipcom_fprintf(ip_stderr, "ttcp-r: accept from %s"IP_LF, ipcom_inet_ntop(IP_AF_INET6, &peer.sin6.sin6_addr, addr, sizeof(addr))); } #endif } } } #endif /* Begin the TTCP performance test. */ msec0 = get_millisec(); if (mev) { #if defined (IP_PORT_INTEGRITY) #include "ipcom_integrity.h" extern void EventLogOn(void); #if IP_VER < 500 extern void EventLogMask(unsigned int newmask); EventLogMask(~0); #endif EventLogOn(); #endif } if(sinkmode) { register int cnt; /* Transmit side. */ if(trans) { pattern(buf, buflen); if(context.udp) { (void) NWRITE(sockfd, buf, UDPMINLEN, &context); /* rcvr start */ ipcom_millisleep(500); /* arp time */ /* Renew the start time to not include the 500 msec sleep */ msec0 = get_millisec(); } #ifdef IPCOM_CMD_TTCP_USE_ZEROCOPY_API if (zerocopy) { while (nbuf-- && ZERONWRITE(sockfd, buflen, &context) == buflen) nbytes += buflen; } else #endif { while (nbuf-- && NWRITE(sockfd, buf, buflen, &context) == buflen) nbytes += buflen; } if(context.udp) (void) NWRITE(sockfd, buf, UDPMINLEN, &context); /* rcvr end */ } /* Receive side. */ else { if(context.udp) { int going = 0; #ifdef IPCOM_CMD_TTCP_USE_ZEROCOPY_API if (zerocopy) { while ((cnt = ZeroNread(sockfd, &context)) > 0) { if(cnt <= UDPMINLEN) { if(going) break; /* "EOF" */ going = 1; msec0 = get_millisec(); } else { nbytes += cnt; } } } else #endif { while ((cnt = Nread(sockfd, buf, buflen, &context)) > 0) { if(cnt <= UDPMINLEN) { if(going) break; /* "EOF" */ going = 1; msec0 = get_millisec(); } else { nbytes += cnt; } } } } #ifdef IPCOM_USE_TCP else { while ((cnt = Nread(sockfd, buf, buflen, &context)) > 0) { nbytes += cnt; } } #endif } } #ifdef IPCOM_TTCP_USE_STDIOMODE /* non sinkmode. */ else { register int cnt; if(trans) { /* Read from standard input and send to other side. */ while ((cnt = ipcom_fread(buf, buflen, 1, ip_stdin)) > 0 && NWRITE(sockfd, buf, cnt) == cnt) nbytes += cnt; } else { /* Read from network and print on stdout. */ while ((cnt = Nread(sockfd, buf, buflen, &context)) > 0) { ipcom_fwrite(buf, cnt, 1, ip_stdout); nbytes += cnt; } } } #endif if (mev) { #if defined (IP_PORT_INTEGRITY) extern void EventLogOff(void); EventLogOff(); #elif defined (IP_PORT_RTCORE) extern void ip_trace(char *what, char *file, int line, int id, void *data); extern void ip_tracedump(void); ip_trace("[ASSERT]", __FILE__, __LINE__, ipcom_getpid(), IP_NULL); ip_tracedump(); #endif } /* Read the final time and calculate some statistics. */ msec1 = get_millisec(); msecd = msec1 - msec0; if (msecd == 0) msecd = 1; bpermsec = nbytes / msecd; /* Bytes per millisecond. */ kbpersec = nbytes / 128; kbpersec = kbpersec * 125 / msecd; /* kilobyte per sec. */ /* End of test assemble statistice. */ if(context.err_no) { ipcom_fprintf(ip_stdout, "ttcp%s: socket errno: %d."IP_LF, trans ? "-t" : "-r", context.err_no); } if(context.udp && trans) { int j; for (j = 0; j < nend; j++) { ipcom_millisleep(100); /* Let the reading side catch up. */ (void) NWRITE(sockfd, buf, UDPMINLEN, &context); /* rcvr end */ } } /* Print the statistics. */ ipcom_fprintf(ip_stdout, "ttcp%s: %lu bytes in %lu milliseconds = %lu KB/sec, %lu B/msec +++"IP_LF, trans ? "-t" : "-r", nbytes, msecd, kbpersec, bpermsec); ipcom_fprintf(ip_stdout, "ttcp%s: %lu I/O calls, msec/call = %lu, calls/sec = %lu"IP_LF, trans ? "-t" : "-r", context.numCalls, msecd / context.numCalls, 1000 * context.numCalls / msecd); if (verbose) ipcom_fprintf(ip_stdout, "ttcp%s: buffer address %p"IP_LF, trans ? "-t" : "-r", buf); /* Test succeeded, goto errorout to cleanup. */ goto errorout; /* Usage. */ usage: ipcom_fprintf(ip_stderr, "Usage: ttcp -t [-options] host [ < in ]"IP_LF "ttcp -r [-options > out]"IP_LF "Common options:"IP_LF "-x use IPv6 instead of IPv4"IP_LF "-l ## length of bufs read from or written to network (default 8192)"IP_LF #ifdef IPCOM_CMD_TTCP_USE_ZEROCOPY_API "-U use UDP and interpeak zero copy API instead of TCP"IP_LF #endif "-u use UDP (default is TCP)"IP_LF #ifdef IPSCTP "-c use SCTP STREAM type(default is TCP)"IP_LF "-S use SCTP SEQPACKET type(default is TCP)"IP_LF #endif "-p ## port number to send to or listen at (default DEFAULT_PORT)"IP_LF); ipcom_fprintf(ip_stderr, "-s -t: source a pattern to network"IP_LF "-r sink (discard) all data from network"IP_LF "-e ## number of packets to end UDP transmission"IP_LF "-m use event logging (not supported on all platforms)"IP_LF "-A align the start of buffers to this modulus (default 16384)"IP_LF "-O start buffers at this offset from the modulus (default 0)"IP_LF "-v verbose: print more statistics"IP_LF "-d set SO_DEBUG socket option (if supported)"IP_LF); ipcom_fprintf(ip_stderr, "-b ## set socket buffer size (if supported)"IP_LF "Options specific to -t:"IP_LF "-n## number of source bufs written to network (default 2048)"IP_LF "-D don't buffer TCP writes (sets TCP_NODELAY socket option)"IP_LF "Options specific to -r:"IP_LF "-B for -s, only output full blocks as specified by -l (for TAR)"IP_LF "-T \"touch\": access each byte as it's read"IP_LF #if defined(IP_SO_X_VR) "-V virtual router index (if supported)"IP_LF); #endif /* fall through to cleanup...*/ /* Free buffer and close socket if any error. */ errorout: #ifndef IP_PORT_LAS if (cpu >= 0) ipcom_proc_cpu_affinity_clr(0); #endif /* IP_PORT_LAS */ if(orgbuf) ipcom_free(orgbuf); if(sockfd != -1) { if(ipcom_socketclose(sockfd) == ERR) ipcom_fprintf(ip_stderr, "ttcp error: close of sockfd. (line %d, errno %d)."IP_LF, __LINE__, ipcom_errno); } #ifdef IP_PORT_INTEGRITY ipcom_shutdown_libsocket(); #endif return 0; }
/* *=========================================================================== * ipcom_cmd_sockperf_accept *=========================================================================== * Description: Passive open of socket(s). * Parameters: * Returns: */ IP_STATIC void ipcom_cmd_sockperf_accept(Ipcom_cmd_sockperf_t *cmd) { Ip_fd *s = cmd->sock_array; int listen_sock; Ip_u32 accepted_sockets = 0; struct Ip_timeval start; struct Ip_timeval stop; int on = 1; listen_sock = ipcom_socket(cmd->res->ai_family, cmd->res->ai_socktype, cmd->res->ai_protocol); if (listen_sock == IP_SOCKERR) { ipcom_printf("sockperf-a: Failed to create socket: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } if (ipcom_setsockopt(listen_sock, IP_SOL_SOCKET, IP_SO_REUSEADDR, &on, sizeof(on)) < 0) { ipcom_printf("sockperf-a: setsockopt IP_SO_REUSEADDR failed : %s"IP_LF, ipcom_strerror(ipcom_errno)); return; } if (ipcom_bind(listen_sock, cmd->res->ai_addr, cmd->res->ai_addrlen) < 0) { ipcom_printf("sockperf-a: Failed to bind: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } if (ipcom_listen(listen_sock, cmd->num_sock) < 0) { ipcom_printf("sockperf-a: Failed to listen: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } ipcom_printf("sockperf-a: listen on %s[%d]"IP_LF, cmd->res->ai_canonname, ip_ntohs(((struct Ip_sockaddr_in *)cmd->res->ai_addr)->sin_port)); IP_FD_ZERO(&cmd->read_set); IP_FD_SET(listen_sock, &cmd->read_set); if (ipcom_socketselect(listen_sock + 1, &cmd->read_set, IP_NULL, IP_NULL, IP_NULL) != 1) { ipcom_printf("sockperf-a: Select failed for listen socket: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } ipcom_microtime(&start); for (;accepted_sockets < cmd->num_sock; accepted_sockets++) { s[accepted_sockets] = ipcom_accept(listen_sock, IP_NULL, IP_NULL); if (s[accepted_sockets] == IP_SOCKERR) { ipcom_printf("sockperf-a: Failed to create socket: %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } if (ipcom_setsockopt(s[accepted_sockets], IP_SOL_SOCKET, IP_SO_LINGER, &cmd->linger, sizeof(cmd->linger)) < 0) { ipcom_printf("sockperf-a: setsockopt SO_LINGER failed : %s"IP_LF, ipcom_strerror(ipcom_errno)); goto cleanup; } } ipcom_microtime(&stop); ipcom_printf("sockperf-a: %ld sockets accepted in %ld ms"IP_LF, accepted_sockets, ipcom_cmd_sockperf_tv_to_msec(&start, &stop)); ipcom_cmd_sockperf_run(cmd); cleanup: if (listen_sock >= 0) (void)ipcom_socketclose(listen_sock); while (accepted_sockets-- > 0) (void)ipcom_socketclose(s[accepted_sockets]); }
IP_PUBLIC int ipcom_socketpair_tcp(int fd[2]) { int server; union Ip_sockaddr_union sock; Ip_socklen_t socklen; Ip_bool connected = IP_FALSE; int opt; struct Ip_addrinfo hints; struct Ip_addrinfo *res = IP_NULL; fd[0] = fd[1] = server = -1; ipcom_memset(&hints, 0, sizeof(hints)); hints.ai_socktype = IP_SOCK_STREAM; if (ipcom_getaddrinfo(IP_NULL, "0", &hints, &res) != 0) goto failed; /* Server socket */ server = ipcom_socket(res->ai_family, res->ai_socktype, res->ai_protocol); if (server == -1) goto failed; opt = 1; (void)ipcom_setsockopt(server, IP_SOL_SOCKET, IP_SO_REUSEADDR, &opt, sizeof(opt)); if (ipcom_bind(server, res->ai_addr, res->ai_addrlen) != 0) goto failed; if (ipcom_listen(server, 1) != 0) goto failed; socklen = res->ai_addrlen; if (ipcom_getsockname(server, &sock.sa, &socklen) != 0) goto failed; /* Client socket */ fd[1] = ipcom_socket(res->ai_family, res->ai_socktype, res->ai_protocol); if (fd[1] == -1) goto failed; opt = 1; (void)ipcom_setsockopt(fd[1], IP_SOL_SOCKET, IP_SO_REUSEADDR, &opt, sizeof(opt)); opt = 1; (void)ipcom_socketioctl(fd[1], IP_FIONBIO, &opt); if (ipcom_connect(fd[1], &sock.sa, socklen) == -1) { if (ipcom_errno != IP_ERRNO_EINPROGRESS) goto failed; } else connected = IP_TRUE; /* Spawn socket */ fd[0] = ipcom_accept(server, IP_NULL, IP_NULL); if (fd[0] == -1) goto failed; opt = 1; (void)ipcom_setsockopt(fd[0], IP_SOL_SOCKET, IP_SO_REUSEADDR, &opt, sizeof(opt)); ipcom_socketclose(server); /* Client socket revisited */ if (connected == IP_FALSE) { Ip_fd_set write_set; IP_FD_ZERO(&write_set); IP_FD_SET(fd[1], &write_set); if (ipcom_socketselect(fd[1] + 1, IP_NULL, &write_set, IP_NULL, IP_NULL) != 1) goto failed; } opt = 0; (void)ipcom_socketioctl(fd[1], IP_FIONBIO, &opt); if (res != IP_NULL) ipcom_freeaddrinfo(res); return 0; failed: if (res != IP_NULL) ipcom_freeaddrinfo(res); if (fd[0] != -1) ipcom_socketclose(fd[0]); if (fd[1] != -1) ipcom_socketclose(fd[1]); if (server != -1) ipcom_socketclose(server); return -1; }
/* *=========================================================================== * ipcom_start_shell *=========================================================================== * Description: Starts a shell process and sets up a TCP connection. The * TCP connection is used to convey stdin and stdout data. The * stdio proxy process and the underlaying shell process is * terminated by closing the socket. If the shell terminates * (e.g. if the user gives the command 'exit') the stdio proxy * will close the TCP connection and terminate. * Parameters: * Returns: * */ IP_PUBLIC Ip_err ipcom_start_shell(Ip_fd *stdio_sock, Ip_fd client_fd) { Ip_fd mother = IP_INVALID_SOCKET; Ip_fd shell_fd = IP_INVALID_SOCKET; Ip_socklen_t addr_len; Ipcom_ipc ipc; Ipcom_shell_info *sinfo; char procname[40]; Ip_err retval; Ipcom_proc_attr attr; Ip_bool ipc_opened = IP_FALSE; Ip_pid_t ppid, shell_pid; Ip_u16 mother_port; static Ip_u32 seqno = 0; struct Ip_addrinfo hints; struct Ip_addrinfo *res = IP_NULL; union Ip_sockaddr_union sa; *stdio_sock = IP_INVALID_SOCKET; sinfo = ipcom_ipc_malloc(sizeof(Ipcom_shell_info)); if (sinfo == IP_NULL) { IPCOM_LOG0(ERR, "ipcom_start_shell :: ipcom_ipc_malloc() failed"); goto exit; } addr_len = sizeof(sinfo->sa_prompt); if (ipcom_getsockname(client_fd, (struct Ip_sockaddr *)&sinfo->sa_prompt, &addr_len) == IP_SOCKERR) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_getsockname(client_fd) failed, errno = %d", ipcom_errno); goto exit; } /* Get a tcp socket and let the stack pick a port */ ipcom_memset(&hints, 0, sizeof(hints)); hints.ai_family = sinfo->sa_prompt.sa.sa_family; hints.ai_socktype = IP_SOCK_STREAM; if (ipcom_getaddrinfo(IP_NULL, "0", &hints, &res) != 0) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_getsockname(client_fd) failed, errno = %d", ipcom_errno); goto exit; } mother = ipcom_socket(res->ai_family, res->ai_socktype, res->ai_protocol); if (mother == IP_INVALID_SOCKET) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_socket(IP_AF_INET) failed, errno = %d", ipcom_errno); goto exit; } if (ipcom_bind(mother, res->ai_addr, res->ai_addrlen) == IP_SOCKERR) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_bind(IP_AF_INET) failed, errno = %d", ipcom_errno); goto exit; } /* Find out which port was assigned. */ addr_len = sizeof(sa); if (ipcom_getsockname(mother, (struct Ip_sockaddr *)&sa, &addr_len) == IP_SOCKERR) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_getsockname(IP_AF_INET) failed, errno = %d", ipcom_errno); goto exit; } mother_port = ip_ntohs(sa.sin.sin_port); if (ipcom_listen(mother, 1) == IP_SOCKERR) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_listen() failed, errno = %d", ipcom_errno); goto exit; } /* Create and start the shell process. */ ipcom_proc_attr_init(&attr); #ifdef IP_PORT_VXWORKS attr.stacksize = IPCOM_PROC_STACK_LARGE; #else attr.priority = IPCOM_PRIORITY_DEFAULT; #endif /* IP_PORT_VXWORKS */ ppid = ipcom_getpid(); ipcom_sprintf(procname, "ipcom_shell_%lx_%lx", (Ip_u32)ppid, ++seqno); if (ipcom_proc_acreate(procname, (Ipcom_proc_func)ipcom_shell, &attr, &shell_pid)) { IPCOM_LOG0(ERR, "ipcom_start_shell :: ipcom_proc_acreate() failed"); goto exit; } /* Open IPC with ipcom_shell. */ retval = ipcom_ipc_open(&ipc, procname, -1); if (retval != IPCOM_SUCCESS) { IPCOM_LOG2(ERR, "ipcom_start_shell :: ipcom_ipc_open(%s) failed, ret = %d", procname, retval); goto exit; } ipc_opened = IP_TRUE; /* Send a message to ipcom_shell. */ sinfo->port = mother_port; sinfo->ppid = ppid; sinfo->seqno = seqno; retval = ipcom_ipc_send(&ipc, sinfo); if (retval != IPCOM_SUCCESS) { IPCOM_LOG1(ERR, "ipcom_start_shell :: ipcom_ipc_send() failed, ret = %d", retval); goto exit; } /* Wait for the shell process to connect */ shell_fd = ipcom_accept(mother, IP_NULL, IP_NULL); exit: if (mother != IP_INVALID_SOCKET) (void)ipcom_socketclose(mother); if (res != IP_NULL) ipcom_freeaddrinfo(res); if (ipc_opened) (void)ipcom_ipc_close(&ipc); else if (sinfo != IP_NULL) ipcom_ipc_free(sinfo); if (shell_fd == IP_INVALID_SOCKET) return IPCOM_ERR_FAILED; else { int enable = IP_TRUE; *stdio_sock = shell_fd; /* Disable Nagle (enable no delay) on this socket since it is an interactive connection */ (void)ipcom_setsockopt(shell_fd, IP_IPPROTO_TCP, IP_TCP_NODELAY, &enable, sizeof(enable)); return IPCOM_SUCCESS; } }