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;
}
