int usdf_pep_close(fid_t fid) { struct usdf_pep *pep; pep = pep_fidtou(fid); if (atomic_get(&pep->pep_refcnt) > 0) { return -FI_EBUSY; } usdf_pep_free_cr_lists(pep); close(pep->pep_sock); if (&pep->pep_eq != NULL) { atomic_dec(&pep->pep_eq->eq_refcnt); } atomic_dec(&pep->pep_fabric->fab_refcnt); free(pep); return 0; }
static int usdf_pep_close(fid_t fid) { struct usdf_pep *pep; USDF_TRACE_SYS(EP_CTRL, "\n"); pep = pep_fidtou(fid); if (atomic_get(&pep->pep_refcnt) > 0) { return -FI_EBUSY; } usdf_pep_free_cr_lists(pep); close(pep->pep_sock); pep->pep_sock = -1; if (pep->pep_eq != NULL) { atomic_dec(&pep->pep_eq->eq_refcnt); } atomic_dec(&pep->pep_fabric->fab_refcnt); free(pep); return 0; }
int usdf_pep_open(struct fid_fabric *fabric, struct fi_info *info, struct fid_pep **pep_o, void *context) { struct usdf_pep *pep; struct usdf_fabric *fp; struct sockaddr_in *sin; int ret; int optval; USDF_TRACE_SYS(EP_CTRL, "\n"); if (!info) { USDF_DBG_SYS(EP_CTRL, "null fi_info struct is invalid\n"); return -FI_EINVAL; } if (info->ep_attr->type != FI_EP_MSG) { return -FI_ENODEV; } if ((info->caps & ~USDF_MSG_CAPS) != 0) { return -FI_EBADF; } switch (info->addr_format) { case FI_SOCKADDR: if (((struct sockaddr *)info->src_addr)->sa_family != AF_INET) { USDF_WARN_SYS(EP_CTRL, "non-AF_INET src_addr specified\n"); return -FI_EINVAL; } break; case FI_SOCKADDR_IN: break; default: USDF_WARN_SYS(EP_CTRL, "unknown/unsupported addr_format\n"); return -FI_EINVAL; } if (info->src_addrlen && info->src_addrlen != sizeof(struct sockaddr_in)) { USDF_WARN_SYS(EP_CTRL, "unexpected src_addrlen\n"); return -FI_EINVAL; } fp = fab_ftou(fabric); pep = calloc(1, sizeof(*pep)); if (pep == NULL) { return -FI_ENOMEM; } pep->pep_fid.fid.fclass = FI_CLASS_PEP; pep->pep_fid.fid.context = context; pep->pep_fid.fid.ops = &usdf_pep_ops; pep->pep_fid.ops = &usdf_pep_base_ops; pep->pep_fid.cm = &usdf_pep_cm_ops; pep->pep_fabric = fp; pep->pep_state = USDF_PEP_UNBOUND; pep->pep_sock = socket(AF_INET, SOCK_STREAM, 0); if (pep->pep_sock == -1) { ret = -errno; goto fail; } ret = fcntl(pep->pep_sock, F_GETFL, 0); if (ret == -1) { ret = -errno; goto fail; } ret = fcntl(pep->pep_sock, F_SETFL, ret | O_NONBLOCK); if (ret == -1) { ret = -errno; goto fail; } /* set SO_REUSEADDR to prevent annoying "Address already in use" errors * on successive runs of programs listening on a well known port */ optval = 1; ret = setsockopt(pep->pep_sock, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); if (ret == -1) { ret = -errno; goto fail; } pep->pep_info = fi_dupinfo(info); if (!pep->pep_info) { ret = -FI_ENOMEM; goto fail; } if (info->src_addrlen == 0) { /* Copy the source address information from the device * attributes. */ pep->pep_info->src_addrlen = sizeof(struct sockaddr_in); sin = calloc(1, pep->pep_info->src_addrlen); if (!sin) { USDF_WARN_SYS(EP_CTRL, "calloc for src address failed\n"); goto fail; } sin->sin_family = AF_INET; sin->sin_addr.s_addr = fp->fab_dev_attrs->uda_ipaddr_be; pep->pep_info->src_addr = sin; } memcpy(&pep->pep_src_addr, pep->pep_info->src_addr, pep->pep_info->src_addrlen); /* initialize connreq freelist */ ret = pthread_spin_init(&pep->pep_cr_lock, PTHREAD_PROCESS_PRIVATE); if (ret != 0) { ret = -ret; goto fail; } TAILQ_INIT(&pep->pep_cr_free); TAILQ_INIT(&pep->pep_cr_pending); pep->pep_backlog = 10; ret = usdf_pep_grow_backlog(pep); if (ret != 0) { goto fail; } atomic_initialize(&pep->pep_refcnt, 0); atomic_inc(&fp->fab_refcnt); *pep_o = pep_utof(pep); return 0; fail: if (pep != NULL) { usdf_pep_free_cr_lists(pep); if (pep->pep_sock != -1) { close(pep->pep_sock); } fi_freeinfo(pep->pep_info); free(pep); } return ret; }
int usdf_pep_open(struct fid_fabric *fabric, struct fi_info *info, struct fid_pep **pep_o, void *context) { struct usdf_pep *pep; struct usdf_fabric *fp; int ret; int optval; USDF_TRACE_SYS(EP_CTRL, "\n"); if (info->ep_attr->type != FI_EP_MSG) { return -FI_ENODEV; } if ((info->caps & ~USDF_MSG_CAPS) != 0) { return -FI_EBADF; } fp = fab_ftou(fabric); pep = calloc(1, sizeof(*pep)); if (pep == NULL) { return -FI_ENOMEM; } pep->pep_fid.fid.fclass = FI_CLASS_PEP; pep->pep_fid.fid.context = context; pep->pep_fid.fid.ops = &usdf_pep_ops; pep->pep_fid.ops = &usdf_pep_base_ops; pep->pep_fid.cm = &usdf_pep_cm_ops; pep->pep_fabric = fp; pep->pep_sock = socket(AF_INET, SOCK_STREAM, 0); if (pep->pep_sock == -1) { ret = -errno; goto fail; } ret = fcntl(pep->pep_sock, F_GETFL, 0); if (ret == -1) { ret = -errno; goto fail; } ret = fcntl(pep->pep_sock, F_SETFL, ret | O_NONBLOCK); if (ret == -1) { ret = -errno; goto fail; } /* set SO_REUSEADDR to prevent annoying "Address already in use" errors * on successive runs of programs listening on a well known port */ optval = 1; ret = setsockopt(pep->pep_sock, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); if (ret == -1) { ret = -errno; goto fail; } ret = bind(pep->pep_sock, (struct sockaddr *)info->src_addr, info->src_addrlen); if (ret == -1) { ret = -errno; goto fail; } /* initialize connreq freelist */ ret = pthread_spin_init(&pep->pep_cr_lock, PTHREAD_PROCESS_PRIVATE); if (ret != 0) { ret = -ret; goto fail; } TAILQ_INIT(&pep->pep_cr_free); TAILQ_INIT(&pep->pep_cr_pending); pep->pep_backlog = 10; ret = usdf_pep_grow_backlog(pep); if (ret != 0) { goto fail; } atomic_initialize(&pep->pep_refcnt, 0); atomic_inc(&fp->fab_refcnt); *pep_o = pep_utof(pep); return 0; fail: if (pep != NULL) { usdf_pep_free_cr_lists(pep); if (pep->pep_sock != -1) { close(pep->pep_sock); } free(pep); } return ret; }