/*---------------------------------------------------------------------------*/ static int xio_server_main(void *data) { struct xio_server *server; struct xio_context_params ctx_params; init_xio_rdma_common_test(); memset(&ctx_params, 0, sizeof(ctx_params)); ctx_params.flags = XIO_LOOP_GIVEN_THREAD; ctx_params.worker = current; test_params.ctx = xio_context_create(&ctx_params, 0, 0); xio_assert(test_params.ctx); session_ops.on_session_event = on_session_event; server = xio_bind(test_params.ctx, &session_ops, url, NULL, 0, NULL); xio_assert(server); pr_info("listen to %s\n", url); xio_context_run_loop(test_params.ctx); /* normal exit phase */ pr_info("exit signaled\n"); /* free the server */ xio_unbind(server); xio_context_destroy(test_params.ctx); fini_xio_rdma_common_test(); complete_and_exit(&cleanup_complete, 0); return 0; }
int xio_create_listen_ports(const char *bindaddr, int port, int (*callback)(int fd, void *), bool rdma) { char url[256]; struct xio_server *server; struct server_data *server_data; int xio_fd; server_data = xzalloc(sizeof(*server_data)); server_data->ctx = xio_get_main_ctx(); snprintf(url, 256, rdma ? "rdma://%s:%d" : "tcp://%s:%d", bindaddr ? bindaddr : "0.0.0.0", port); sd_info("accelio binding url: %s", url); /* bind a listener server to a portal/url */ server = xio_bind(server_data->ctx, &portal_server_ops, url, NULL, 0, server_data); if (server == NULL) { sd_err("xio_bind() failed"); return -1; } xio_fd = xio_context_get_poll_fd(server_data->ctx); register_event(xio_fd, xio_server_handler, server_data); return 0; }
/*---------------------------------------------------------------------------*/ static void *balancer_server_cb(void *data) { struct xio_server *server; /* server portal */ struct server_data *server_data = data; char url[256]; int retval = 0; /* create thread context for the client */ server_data->ctx = xio_context_create(NULL, server_data->user_param->poll_timeout, -1); /* create url to connect to */ sprintf(url, "%s://*:%d", server_data->user_param->transport, server_data->user_param->server_port); /* bind a listener server to a portal/url */ server = xio_bind(server_data->ctx, &server_ops, url, NULL, 0, server_data); if (server == NULL) goto cleanup; server_data->running = 1; xio_context_run_loop(server_data->ctx, XIO_INFINITE); /* free the server */ xio_unbind(server); cleanup: /* free the context */ xio_context_destroy(server_data->ctx); pthread_exit(&retval); }
/*---------------------------------------------------------------------------*/ static void *portal_server_cb(void *data) { struct hw_thread_data *tdata = data; cpu_set_t cpuset; struct xio_context *ctx; struct xio_server *server; char str[128]; int i; /* set affinity to thread */ CPU_ZERO(&cpuset); CPU_SET(tdata->affinity, &cpuset); pthread_setaffinity_np(tdata->thread_id, sizeof(cpu_set_t), &cpuset); /* open default event loop */ tdata->loop = xio_ev_loop_init(); /* create thread context for the client */ ctx = xio_ctx_open(NULL, tdata->loop, 0); /* bind a listener server to a portal/url */ printf("thread [%d] - listen:%s\n", tdata->affinity, tdata->portal); server = xio_bind(ctx, &portal_server_ops, tdata->portal, NULL, 0, tdata); if (server == NULL) goto cleanup; sprintf(str,"hello world header response from thread %d", tdata->affinity); /* create "hello world" message */ for (i = 0; i <QUEUE_DEPTH; i++) { tdata->rsp[i].out.header.iov_base = strdup(str); tdata->rsp[i].out.header.iov_len = strlen(tdata->rsp[i].out.header.iov_base); } /* the default xio supplied main loop */ xio_ev_loop_run(tdata->loop); /* normal exit phase */ fprintf(stdout, "exit signaled\n"); /* detach the server */ xio_unbind(server); /* free the message */ for (i = 0; i <QUEUE_DEPTH; i++) free(tdata->rsp[i].out.header.iov_base); cleanup: /* free the context */ xio_ctx_close(ctx); /* destroy the default loop */ xio_ev_loop_destroy(tdata->loop); return NULL; }
/*---------------------------------------------------------------------------*/ int main(int argc, char *argv[]) { struct xio_server *server; /* server portal */ struct server_data *server_data; char url[256]; int i; uint16_t port = atoi(argv[2]); server_data = calloc(1, sizeof(*server_data)); if (!server_data) return -1; xio_init(); /* create thread context for the client */ server_data->ctx = xio_context_create(NULL, 0); /* create url to connect to */ sprintf(url, "rdma://%s:%d", argv[1], port); /* bind a listener server to a portal/url */ server = xio_bind(server_data->ctx, &server_ops, url, NULL, 0, server_data); if (server == NULL) goto cleanup; /* spawn portals */ for (i = 0; i < MAX_THREADS; i++) { server_data->tdata[i].affinity = i+1; port += 1; sprintf(server_data->tdata[i].portal, "rdma://%s:%d", argv[1], port); pthread_create(&server_data->tdata[i].thread_id, NULL, portal_server_cb, &server_data->tdata[i]); } xio_context_run_loop(server_data->ctx, XIO_INFINITE); /* normal exit phase */ fprintf(stdout, "exit signaled\n"); /* join the threads */ for (i = 0; i < MAX_THREADS; i++) pthread_join(server_data->tdata[i].thread_id, NULL); /* free the server */ xio_unbind(server); cleanup: /* free the context */ xio_context_destroy(server_data->ctx); xio_shutdown(); free(server_data); return 0; }
/*---------------------------------------------------------------------------*/ static void *portal_server_cb(void *data) { struct thread_data *tdata = (struct thread_data *)data; cpu_set_t cpuset; struct xio_server *server; int retval = 0; /* set affinity to thread */ CPU_ZERO(&cpuset); CPU_SET(tdata->affinity, &cpuset); pthread_setaffinity_np(tdata->thread_id, sizeof(cpu_set_t), &cpuset); /* prepare data for the cuurent thread */ tdata->pool = msg_pool_alloc(MAX_POOL_SIZE, 0, 1); if (tdata->pool == NULL) { retval = -1; goto exit; } /* create thread context for the client */ tdata->ctx = xio_context_create(NULL, test_config.poll_timeout, tdata->affinity); /* bind a listener server to a portal/url */ printf("thread [%d] - listen:%s\n", tdata->affinity, tdata->portal); server = xio_bind(tdata->ctx, &portal_server_ops, tdata->portal, NULL, 0, tdata); if (server == NULL) { printf("**** Error - xio_bind failed. %s\n", xio_strerror(xio_errno())); retval = -1; goto cleanup; } /* the default xio supplied main loop */ xio_context_run_loop(tdata->ctx, XIO_INFINITE); /* normal exit phase */ fprintf(stdout, "thread [%d] - exit signaled\n", tdata->affinity); /* detach the server */ xio_unbind(server); if (tdata->pool) msg_pool_free(tdata->pool); if (tdata->reg_mem.addr) xio_mem_free(&tdata->reg_mem); cleanup: /* free the context */ xio_context_destroy(tdata->ctx); exit: pthread_exit((void *)(unsigned long)retval); }
/*---------------------------------------------------------------------------*/ int main(int argc, char *argv[]) { struct xio_server *server; /* server portal */ struct hw_server_data server_data; char url[256]; struct xio_context *ctx; void *loop; int i; uint16_t port = atoi(argv[2]); memset(&server_data, 0, sizeof(server_data)); /* open default event loop */ loop = xio_ev_loop_init(); /* create thread context for the client */ ctx = xio_ctx_open(NULL, loop, 0); /* create url to connect to */ sprintf(url, "rdma://%s:%d", argv[1], port); /* bind a listener server to a portal/url */ server = xio_bind(ctx, &server_ops, url, NULL, 0, &server_data); if (server == NULL) goto cleanup; /* spawn portals */ for (i = 0; i < MAX_THREADS; i++) { server_data.tdata[i].affinity = i+1; port += 1; sprintf(server_data.tdata[i].portal, "rdma://%s:%d", argv[1], port); pthread_create(&server_data.tdata[i].thread_id, NULL, portal_server_cb, &server_data.tdata[i]); } xio_ev_loop_run(loop); /* normal exit phase */ fprintf(stdout, "exit signaled\n"); /* join the threads */ for (i = 0; i < MAX_THREADS; i++) pthread_join(server_data.tdata[i].thread_id, NULL); /* free the server */ xio_unbind(server); cleanup: /* free the context */ xio_ctx_close(ctx); /* destroy the default loop */ xio_ev_loop_destroy(&loop); return 0; }
/*---------------------------------------------------------------------------*/ static void *portal_server_cb(void *data) { struct thread_data *tdata = data; cpu_set_t cpuset; struct xio_server *server; int retval = 0; /* set affinity to thread */ CPU_ZERO(&cpuset); CPU_SET(tdata->affinity, &cpuset); pthread_setaffinity_np(tdata->thread_id, sizeof(cpu_set_t), &cpuset); /* prepare data for the cuurent thread */ tdata->pool = msg_pool_alloc(tdata->user_param->queue_depth + 64); /* create thread context for the client */ tdata->ctx = xio_context_create(NULL, tdata->user_param->poll_timeout, tdata->affinity); /* bind a listener server to a portal/url */ server = xio_bind(tdata->ctx, &portal_server_ops, tdata->user_param->portals_arr[tdata->portal_index], NULL, 0, tdata); if (server == NULL) goto cleanup; /* the default xio supplied main loop */ xio_context_run_loop(tdata->ctx, XIO_INFINITE); /* detach the server */ xio_unbind(server); if (tdata->pool) msg_pool_free(tdata->pool); if (tdata->mr) xio_dereg_mr(&tdata->mr); if (tdata->buf) free(tdata->buf); if (tdata->out_xbuf) xio_free(&tdata->out_xbuf); if (tdata->in_xbuf) xio_free(&tdata->in_xbuf); cleanup: /* free the context */ xio_context_destroy(tdata->ctx); pthread_exit(&retval); }
/* Server I/O manager */ void *rdb_r_s_io_worker(void *data) { struct io_worker_data *worker_data; struct xio_server *server = NULL; cpu_set_t cpuset; worker_data = (struct io_worker_data *) data; /* set affinity to thread */ CPU_ZERO(&cpuset); CPU_SET(worker_data->affinity, &cpuset); pthread_setaffinity_np(worker_data->thread_id, sizeof(cpu_set_t), &cpuset); worker_data->ctx = xio_context_create(NULL, POLLING_TIMEOUT, worker_data->affinity); if (!worker_data->ctx) { fprintf(stderr, "failed to create context for thread %s. reason %d - (%s)\n", worker_data->portal, xio_errno(), xio_strerror(xio_errno())); goto out; } server = xio_bind(worker_data->ctx, &io_worker_ops, worker_data->portal, NULL, 0, worker_data); if (!server) { fprintf(stderr, "failed to bind context for thread %s. reason %d - (%s)\n", worker_data->portal, xio_errno(), xio_strerror(xio_errno())); goto out; } xio_mem_alloc(MAX_VALUE_SIZE, &worker_data->reg_mem); if (!worker_data->reg_mem.addr) { fprintf(stderr, "failed to allocate accelio transfer buffer for thread %s. reason %d - (%s)\n", worker_data->portal, xio_errno(), xio_strerror(xio_errno())); goto out; } /* the default xio supplied main loop */ if (xio_context_run_loop(worker_data->ctx, XIO_INFINITE) != 0) { fprintf(stderr, "failed to run event loop for thread %s. reason %d - (%s)\n", worker_data->portal, xio_errno(), xio_strerror(xio_errno())); } out: /* detach the worker */ if (server) xio_unbind(server); if (worker_data->reg_mem.addr) xio_mem_free(&worker_data->reg_mem); /* free the context */ if (worker_data->ctx) xio_context_destroy(worker_data->ctx); return NULL; }
/*---------------------------------------------------------------------------*/ static void *portal_server_cb(void *data) { struct thread_data *tdata = data; cpu_set_t cpuset; struct xio_server *server; int retval = 0; /* set affinity to thread */ CPU_ZERO(&cpuset); CPU_SET(tdata->affinity, &cpuset); pthread_setaffinity_np(tdata->thread_id, sizeof(cpu_set_t), &cpuset); /* prepare data for the cuurent thread */ tdata->pool = msg_pool_alloc(MAX_POOL_SIZE, test_config.hdr_len, test_config.data_len, 0, 0); /* create thread context for the client */ tdata->ctx = xio_context_create(NULL, test_config.poll_timeout); /* bind a listener server to a portal/url */ printf("thread [%d] - listen:%s\n", tdata->affinity, tdata->portal); server = xio_bind(tdata->ctx, &portal_server_ops, tdata->portal, NULL, 0, tdata); if (server == NULL) goto cleanup; /* the default xio supplied main loop */ xio_context_run_loop(tdata->ctx, XIO_INFINITE); /* normal exit phase */ fprintf(stdout, "thread [%d] - exit signaled\n", tdata->affinity); /* detach the server */ xio_unbind(server); if (tdata->pool) msg_pool_free(tdata->pool); if (tdata->mr) xio_dereg_mr(&tdata->mr); if (tdata->buf) free(tdata->buf); cleanup: /* free the context */ xio_context_destroy(tdata->ctx); pthread_exit(&retval); }
/* Server session manager */ struct server_data* rdb_r_s_server_create(const char *host, const int *port) { struct server_data *server_data = NULL; char url[NAME_LEN]; server_data = (struct server_data *)calloc(1, sizeof(*server_data)); if (!server_data) { fprintf(stderr, "failed to allocate memory for server_data\n"); return (NULL); } /* init the accelio library */ xio_init(); /* create thread context */ server_data->ctx = xio_context_create(NULL, 0, -1); if (!server_data->ctx) { fprintf(stderr, "failed to create context for server listner. reason %d - (%s)\n", xio_errno(), xio_strerror(xio_errno())); goto out; } sprintf(url, "%s://%s:%d", TRANSPORT, host, *port); strcpy(server_data->host, host); server_data->port = *port; /* bind a listner */ server_data->server = xio_bind(server_data->ctx, &server_ops, url, NULL, 0, server_data); if (!server_data->server) { fprintf(stderr, "failed to bind server listner. reason %d - (%s)\n", xio_errno(), xio_strerror(xio_errno())); goto out; } out: return (server_data); }
/*---------------------------------------------------------------------------*/ static int xio_server_main(void *data) { struct xio_server *server; struct xio_context_params ctx_params; char url[256]; atomic_add(2, &module_state); print_test_config(&test_config); g_test_params.finite_run = test_config.finite_run; g_test_params.disconnect_nr = PRINT_COUNTER * DISCONNECT_FACTOR; memset(&ctx_params, 0, sizeof(ctx_params)); ctx_params.flags = XIO_LOOP_GIVEN_THREAD; ctx_params.worker = current; g_test_params.ctx = xio_context_create(&ctx_params, 0, g_test_params.cpu); if (!g_test_params.ctx) { int error = xio_errno(); pr_err("context creation failed. reason %d - (%s)\n", error, xio_strerror(error)); goto cleanup; } sprintf(url, "%s://%s:%d", test_config.transport, test_config.server_addr, test_config.server_port); server = xio_bind(g_test_params.ctx, &server_ops, url, NULL, 0, &g_test_params); if (server) { pr_info("listen to %s\n", url); if (atomic_add_unless(&module_state, 4, 0x83)) xio_context_run_loop(g_test_params.ctx); atomic_sub(4, &module_state); /* normal exit phase */ pr_info("exit signaled\n"); /* free the server */ xio_unbind(server); } else { pr_err("**** Error - xio_bind failed - %s. " \ "Did you load a transport module?\n", xio_strerror(xio_errno())); /*xio_assert(0);*/ } xio_context_destroy(g_test_params.ctx); kfree(g_test_params.xbuf); g_test_params.xbuf = NULL; cleanup: complete_and_exit(&cleanup_complete, 0); return 0; }
/*---------------------------------------------------------------------------*/ static int xio_server_main(void *data) { char **argv = (char **)data; struct xio_server *server; /* server portal */ struct server_data *server_data; char url[256]; struct xio_context_params ctx_params; struct xio_context *ctx; int i; struct xio_vmsg *omsg; void *buf = NULL; unsigned long data_len = 0; atomic_add(2, &module_state); server_data = vzalloc(sizeof(*server_data)); if (!server_data) { /*pr_err("server_data alloc failed\n");*/ return 0; } /* create thread context for the server */ memset(&ctx_params, 0, sizeof(ctx_params)); ctx_params.flags = XIO_LOOP_GIVEN_THREAD; ctx_params.worker = current; ctx = xio_context_create(&ctx_params, 0, -1); if (!ctx) { vfree(server_data); pr_err("context open filed\n"); return 0; } server_data->ctx = ctx; /* create "hello world" message */ if (argv[3] != NULL && kstrtoul(argv[3], 0, &data_len)) { /* check, convert and assign data_len */ data_len = 0; } for (i = 0; i < QUEUE_DEPTH; i++) { xio_reinit_msg(&server_data->rsp[i]); omsg = &server_data->rsp[i].out; /* header */ server_data->rsp[i].out.header.iov_base = kstrdup("hello world header rsp 1", GFP_KERNEL); server_data->rsp[i].out.header.iov_len = strlen((const char *) server_data->rsp[i].out.header.iov_base) + 1; /* iovec[0]*/ sg_alloc_table(&omsg->data_tbl, 64, GFP_KERNEL); /* currently only one entry */ xio_init_vmsg(omsg, 1); /* one entry (max_nents) */ if (data_len < max_data_len) { /* small msgs */ buf = kstrdup("hello world iovec rsp", GFP_KERNEL); } else { /* big msgs */ if (!buf) { pr_info("allocating xio memory...\n"); buf = kmalloc(data_len, GFP_KERNEL); memcpy(buf, "hello world iovec rsp", 22); } } sg_init_one(omsg->data_tbl.sgl, buf, strlen(buf) + 1); /* orig_nents is 64 */ vmsg_sglist_set_nents(omsg, 1); } /* create url to connect to */ sprintf(url, "%s://%s:%s", argv[4], argv[1], argv[2]); /* bind a listener server to a portal/url */ server = xio_bind(ctx, &server_ops, url, NULL, 0, server_data); if (server) { pr_info("listen to %s\n", url); g_server_data = server_data; if (atomic_add_unless(&module_state, 4, 0x83)) xio_context_run_loop(ctx); atomic_sub(4, &module_state); /* normal exit phase */ pr_info("exit signaled\n"); /* free the server */ xio_unbind(server); } /* free the message */ for (i = 0; i < QUEUE_DEPTH; i++) { kfree(server_data->rsp[i].out.header.iov_base); if (data_len < max_data_len) { /* Currently need to release only one entry */ kfree(sg_virt(server_data->rsp[i].out.data_tbl.sgl)); } xio_fini_vmsg(&server_data->rsp[i].out); } if (buf){ pr_info("freeing xio memory...\n"); kfree(buf); buf = NULL; } /* free the context */ xio_context_destroy(ctx); vfree(server_data); complete_and_exit(&cleanup_complete, 0); return 0; }
/*---------------------------------------------------------------------------*/ int main(int argc, char *const argv[]) { struct xio_server *server; /* server portal */ char url[256]; int i; struct sigaction sa; int c; char *addr = NULL; char *port = NULL; char *trans = NULL; while (1) { c = getopt_long(argc, argv, "a:p:r:hdnV", longopts, NULL); if (c == -1) break; switch (c) { case 'a': addr = optarg; break; case 'p': port = optarg; break; case 'r': trans = optarg; break; case 'h': usage(argv[0], 0); case 'd': debug_flag++; nofork_flag++; break; case 'n': nofork_flag++; break; case 'V': printf("%s\n", PACKAGE_STRING); exit(0); break; default: usage(argv[0], 1); break; } } memset(&sa, 0, sizeof(sa)); sa.sa_handler = signal_handler; sigaction(SIGINT, &sa, NULL); sigaction(SIGTERM, &sa, NULL); sigaction(SIGQUIT, &sa, NULL); sigaction(SIGHUP, &sa, NULL); sa.sa_handler = SIG_IGN; sa.sa_flags = SA_RESTART; sigaction(SIGPIPE, &sa, NULL); if (!nofork_flag && daemon(0, 0)) { logerr("daemon() failed"); exit(1); } if (!debug_flag) { openlog("xiosrvd", LOG_PID, LOG_DAEMON); use_syslog = 1; } /* Create the process PID file */ if (create_pidfile(pid_file) != 0) exit(EXIT_FAILURE); /* initialize library */ xio_init(); /* create "hello world" message */ memset(&server_data, 0, sizeof(server_data)); for (i = 0; i < QUEUE_DEPTH; i++) { server_data.rsp[i].out.header.iov_base = strdup("hello world header response"); server_data.rsp[i].out.header.iov_len = strlen((const char *) server_data.rsp[i].out.header.iov_base) + 1; } /* create thread context for the client */ server_data.ctx = xio_context_create(NULL, 0, -1); /* create url to connect to */ if (trans) sprintf(url, "%s://%s:%s", trans, addr, port); else sprintf(url, "rdma://%s:%s", addr, port); reload: /* bind a listener server to a portal/url */ server = xio_bind(server_data.ctx, &server_ops, url, NULL, 0, &server_data); if (server) { logit(LOG_INFO, "listen to %s", url); xio_context_run_loop(server_data.ctx, XIO_INFINITE); /* free the server */ xio_unbind(server); if (reload_flag) { reload_flag = 0; goto reload; } /* normal exit phase */ logit(LOG_INFO, "exit signaled"); } /* free the message */ for (i = 0; i < QUEUE_DEPTH; i++) free(server_data.rsp[i].out.header.iov_base); /* free the context */ xio_context_destroy(server_data.ctx); xio_shutdown(); remove_pidfile(); if (use_syslog) closelog(); return 0; }
/*---------------------------------------------------------------------------*/ int main(int argc, char *argv[]) { struct xio_server *server; /* server portal */ struct server_data server_data; char url[256]; struct xio_msg *rsp; int i, opt, optlen; struct xio_reg_mem xbuf; int msg_size = 0; int max_msg_size = 0; uint8_t *data = NULL; xbuf.addr = NULL; xbuf.mr = NULL; if (argc < 3) { printf("Usage: %s <host> <port> <transport:optional>"\ "<finite run:optional> <msg size:optional>\n", argv[0]); exit(1); } if (argc > 4) test_disconnect = atoi(argv[4]); else test_disconnect = 0; if (argc > 5) msg_size = atoi(argv[5]); /* initialize library */ xio_init(); /* get max msg size */ /* this size distinguishes between big and small msgs, where for small msgs rdma_post_send/rdma_post_recv are called as opposed to to big msgs where rdma_write/rdma_read are called */ xio_get_opt(NULL, XIO_OPTLEVEL_ACCELIO, XIO_OPTNAME_MAX_INLINE_XIO_DATA, &opt, &optlen); max_msg_size = opt; /* create "hello world" message */ memset(&server_data, 0, sizeof(server_data)); rsp = server_data.rsp_ring; for (i = 0; i < QUEUE_DEPTH; i++) { /* header */ rsp->out.header.iov_base = strdup("hello world header response"); rsp->out.header.iov_len = strlen((const char *) rsp->out.header.iov_base) + 1; rsp->out.sgl_type = XIO_SGL_TYPE_IOV; rsp->out.data_iov.max_nents = XIO_IOVLEN; /* data */ if (msg_size < max_msg_size) { /* small msgs */ rsp->out.data_iov.sglist[0].iov_base = strdup("hello world data response"); } else { /* big msgs */ if (data == NULL) { printf("allocating xio memory...\n"); xio_mem_alloc(msg_size, &xbuf); if (xbuf.addr != NULL){ data = (uint8_t *)xbuf.addr; memset(data, 0, msg_size); sprintf((char *)data, "hello world data response"); } else { printf("ERROR - xio_mem_alloc failed.\n"); exit(1); } } rsp->out.data_iov.sglist[0].mr = xbuf.mr; rsp->out.data_iov.sglist[0].iov_base = data; } rsp->out.data_iov.sglist[0].iov_len = strlen((const char *) rsp->out.data_iov.sglist[0].iov_base) + 1; rsp->out.data_iov.nents = 1; rsp++; } /* create thread context for the client */ server_data.ctx = xio_context_create(NULL, 0, -1); /* create url to connect to */ if (argc > 3) sprintf(url, "%s://%s:%s", argv[3], argv[1], argv[2]); else sprintf(url, "rdma://%s:%s", argv[1], argv[2]); /* bind a listener server to a portal/url */ server = xio_bind(server_data.ctx, &server_ops, url, NULL, 0, &server_data); if (server) { printf("listen to %s\n", url); xio_context_run_loop(server_data.ctx, XIO_INFINITE); /* normal exit phase */ fprintf(stdout, "exit signaled\n"); /* free the server */ xio_unbind(server); } /* free the message */ rsp = server_data.rsp_ring; for (i = 0; i < QUEUE_DEPTH; i++) { free(rsp->out.header.iov_base); if (msg_size < max_msg_size) free(rsp->out.data_iov.sglist[0].iov_base); rsp++; } if (data) { printf("freeing xio memory...\n"); xio_mem_free(&xbuf); xbuf.addr = NULL; } /* free the context */ xio_context_destroy(server_data.ctx); xio_shutdown(); return 0; }
/*---------------------------------------------------------------------------*/ static int xio_server_main(void *data) { char **argv = (char **)data; struct xio_server *server; /* server portal */ struct server_data *server_data; char url[256]; struct xio_context_params ctx_params; struct xio_context *ctx; int i; atomic_add(2, &module_state); server_data = vzalloc(sizeof(*server_data)); if (!server_data) { /*pr_err("server_data alloc failed\n");*/ return 0; } /* create thread context for the server */ memset(&ctx_params, 0, sizeof(ctx_params)); ctx_params.flags = XIO_LOOP_GIVEN_THREAD; ctx_params.worker = current; ctx = xio_context_create(&ctx_params, 0, -1); if (!ctx) { vfree(server_data); pr_err("context open filed\n"); return 0; } server_data->ctx = ctx; /* create "hello world" message */ for (i = 0; i < QUEUE_DEPTH; i++) { server_data->rsp[i].out.header.iov_base = kstrdup("hello world header response", GFP_KERNEL); server_data->rsp[i].out.header.iov_len = strlen(server_data->rsp[i].out.header.iov_base) + 1; server_data->rsp[i].out.sgl_type = XIO_SGL_TYPE_SCATTERLIST; server_data->rsp[i].out.data_tbl.orig_nents = 0; server_data->rsp[i].out.data_tbl.nents = 0; server_data->rsp[i].out.data_tbl.sgl = NULL; } /* create url to connect to */ sprintf(url, "rdma://%s:%s", argv[1], argv[2]); /* bind a listener server to a portal/url */ server = xio_bind(ctx, &server_ops, url, NULL, 0, server_data); if (server) { pr_info("listen to %s\n", url); g_server_data = server_data; if (atomic_add_unless(&module_state, 4, 0x83)) xio_context_run_loop(ctx); atomic_sub(4, &module_state); /* normal exit phase */ pr_info("exit signaled\n"); /* free the server */ xio_unbind(server); } /* free the message */ for (i = 0; i < QUEUE_DEPTH; i++) kfree(server_data->rsp[i].out.header.iov_base); /* free the context */ xio_context_destroy(ctx); vfree(server_data); complete_and_exit(&cleanup_complete, 0); return 0; }