void write10_cb(struct iscsi_context *iscsi, int status, void *command_data, void *private_data) { struct write_task *wt = (struct write_task *)private_data; struct scsi_task *task = command_data; struct client *client = wt->client; if (status == SCSI_STATUS_CHECK_CONDITION) { printf("Write10 failed with sense key:%d ascq:%04x\n", task->sense.key, task->sense.ascq); scsi_free_scsi_task(task); exit(10); } if (status != SCSI_STATUS_GOOD) { printf("Write10 failed with %s\n", iscsi_get_error(iscsi)); scsi_free_scsi_task(task); exit(10); } client->in_flight--; fill_read_queue(client); if ((client->in_flight == 0) && (client->pos == client->src_num_blocks)) { client->finished = 1; } scsi_free_scsi_task(wt->rt); scsi_free_scsi_task(task); free(wt); }
int main(int argc, const char *argv[]) { poptContext pc; const char **extra_argv; char *src_url = NULL; char *dst_url = NULL; struct iscsi_url *iscsi_url; struct scsi_task *task; struct scsi_readcapacity10 *rc10; int extra_argc = 0; int res; struct pollfd pfd[2]; struct client client; struct poptOption popt_options[] = { POPT_AUTOHELP { "initiator-name", 'i', POPT_ARG_STRING, &initiator, 0, "Initiatorname to use", "iqn-name" }, { "src", 0, POPT_ARG_STRING, &src_url, 0, "SRC lun", "iscsi url" }, { "dst", 0, POPT_ARG_STRING, &dst_url, 0, "DST lun", "iscsi url" }, POPT_TABLEEND }; pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_POSIXMEHARDER); if ((res = poptGetNextOpt(pc)) < -1) { fprintf(stderr, "Failed to parse option : %s %s\n", poptBadOption(pc, 0), poptStrerror(res)); exit(10); } extra_argv = poptGetArgs(pc); poptFreeContext(pc); if (src_url == NULL) { fprintf(stderr, "You must specify source url\n"); fprintf(stderr, " --src iscsi://<host>[:<port>]/<target-iqn>/<lun>\n", argv[0]); exit(10); } if (dst_url == NULL) { fprintf(stderr, "You must specify destination url\n"); fprintf(stderr, " --dst iscsi://<host>[:<port>]/<target-iqn>/<lun>\n", argv[0]); exit(10); } memset(&client, 0, sizeof(client)); client.src_iscsi = iscsi_create_context(initiator); if (client.src_iscsi == NULL) { fprintf(stderr, "Failed to create context\n"); exit(10); } iscsi_url = iscsi_parse_full_url(client.src_iscsi, src_url); if (iscsi_url == NULL) { fprintf(stderr, "Failed to parse URL: %s\n", iscsi_get_error(client.src_iscsi)); exit(10); } iscsi_set_targetname(client.src_iscsi, iscsi_url->target); iscsi_set_session_type(client.src_iscsi, ISCSI_SESSION_NORMAL); iscsi_set_header_digest(client.src_iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C); if (iscsi_url->user != NULL) { if (iscsi_set_initiator_username_pwd(client.src_iscsi, iscsi_url->user, iscsi_url->passwd) != 0) { fprintf(stderr, "Failed to set initiator username and password\n"); exit(10); } } if (iscsi_full_connect_sync(client.src_iscsi, iscsi_url->portal, iscsi_url->lun) != 0) { fprintf(stderr, "Login Failed. %s\n", iscsi_get_error(client.src_iscsi)); iscsi_destroy_url(iscsi_url); iscsi_destroy_context(client.src_iscsi); exit(10); } client.src_lun = iscsi_url->lun; iscsi_destroy_url(iscsi_url); task = iscsi_readcapacity10_sync(client.src_iscsi, client.src_lun, 0, 0); if (task == NULL || task->status != SCSI_STATUS_GOOD) { fprintf(stderr, "failed to send readcapacity command\n"); exit(10); } rc10 = scsi_datain_unmarshall(task); if (rc10 == NULL) { fprintf(stderr, "failed to unmarshall readcapacity10 data\n"); exit(10); } client.src_blocksize = rc10->block_size; client.src_num_blocks = rc10->lba; scsi_free_scsi_task(task); client.dst_iscsi = iscsi_create_context(initiator); if (client.dst_iscsi == NULL) { fprintf(stderr, "Failed to create context\n"); exit(10); } iscsi_url = iscsi_parse_full_url(client.dst_iscsi, dst_url); if (iscsi_url == NULL) { fprintf(stderr, "Failed to parse URL: %s\n", iscsi_get_error(client.dst_iscsi)); exit(10); } iscsi_set_targetname(client.dst_iscsi, iscsi_url->target); iscsi_set_session_type(client.dst_iscsi, ISCSI_SESSION_NORMAL); iscsi_set_header_digest(client.dst_iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C); if (iscsi_url->user != NULL) { if (iscsi_set_initiator_username_pwd(client.dst_iscsi, iscsi_url->user, iscsi_url->passwd) != 0) { fprintf(stderr, "Failed to set initiator username and password\n"); exit(10); } } if (iscsi_full_connect_sync(client.dst_iscsi, iscsi_url->portal, iscsi_url->lun) != 0) { fprintf(stderr, "Login Failed. %s\n", iscsi_get_error(client.dst_iscsi)); iscsi_destroy_url(iscsi_url); iscsi_destroy_context(client.dst_iscsi); exit(10); } client.dst_lun = iscsi_url->lun; iscsi_destroy_url(iscsi_url); task = iscsi_readcapacity10_sync(client.dst_iscsi, client.dst_lun, 0, 0); if (task == NULL || task->status != SCSI_STATUS_GOOD) { fprintf(stderr, "failed to send readcapacity command\n"); exit(10); } rc10 = scsi_datain_unmarshall(task); if (rc10 == NULL) { fprintf(stderr, "failed to unmarshall readcapacity10 data\n"); exit(10); } client.dst_blocksize = rc10->block_size; client.dst_num_blocks = rc10->lba; scsi_free_scsi_task(task); fill_read_queue(&client); while (client.finished == 0) { pfd[0].fd = iscsi_get_fd(client.src_iscsi); pfd[0].events = iscsi_which_events(client.src_iscsi); pfd[1].fd = iscsi_get_fd(client.dst_iscsi); pfd[1].events = iscsi_which_events(client.dst_iscsi); if (poll(&pfd[0], 2, -1) < 0) { printf("Poll failed"); exit(10); } if (iscsi_service(client.src_iscsi, pfd[0].revents) < 0) { printf("iscsi_service failed with : %s\n", iscsi_get_error(client.src_iscsi)); break; } if (iscsi_service(client.dst_iscsi, pfd[1].revents) < 0) { printf("iscsi_service failed with : %s\n", iscsi_get_error(client.dst_iscsi)); break; } } iscsi_logout_sync(client.src_iscsi); iscsi_destroy_context(client.src_iscsi); iscsi_logout_sync(client.dst_iscsi); iscsi_destroy_context(client.dst_iscsi); return 0; }