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zero copy change iscsiclient so we can use it as a test tool

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This commit is contained in:
Ronnie Sahlberg
2012-11-19 18:07:32 -08:00
parent 6644389907
commit 580ef169d0
1 changed files with 18 additions and 8 deletions
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26
examples/iscsiclient.c
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@@ -32,7 +32,7 @@
*/
/* This is the host/port we connect to.*/
#define TARGET "10.1.1.116:3260"
#define TARGET "127.0.0.1:3260"
#if defined(WIN32)
#include <winsock2.h>
@@ -124,8 +124,10 @@ void write10_cb(struct iscsi_context *iscsi _U_, int status, void *command_data,
void read10_cb(struct iscsi_context *iscsi, int status, void *command_data, void *private_data)
{
struct client_state *clnt = (struct client_state *)private_data;
struct scsi_task *task = command_data;
int i;
unsigned char wb[512];
if (status == SCSI_STATUS_CHECK_CONDITION) {
printf("Read10 failed with sense key:%d ascq:%04x\n", task->sense.key, task->sense.ascq);
@@ -142,7 +144,9 @@ void read10_cb(struct iscsi_context *iscsi, int status, void *command_data, void
break;
}
printf("...\n");
scsi_free_scsi_task(task);
#if 0
printf("Finished, wont try to write data since that will likely destroy your LUN :-(\n");
printf("Send NOP-OUT\n");
if (iscsi_nop_out_async(iscsi, nop_out_cb, (unsigned char *)"Ping!", 6, private_data) != 0) {
@@ -150,13 +154,19 @@ void read10_cb(struct iscsi_context *iscsi, int status, void *command_data, void
scsi_free_scsi_task(task);
exit(10);
}
// printf("write the block back\n");
// if (iscsi_write10_async(iscsi, clnt->lun, task->data.datain, task->datain.size, 0, 0, 0, clnt->block_size, write10_cb, private_data) != 0) {
// printf("failed to send write10 command\n");
// scsi_free_scsi_task(task);
// exit(10);
// }
scsi_free_scsi_task(task);
#else
printf("write the block\n");
for (i = 0;i < 512; i++) {
wb[i] = i;
}
task = iscsi_write10_task(iscsi, clnt->lun, 0, wb, 512, 512,
0, 0, 0, 0, 0,
write10_cb, private_data);
if (task == NULL) {
printf("failed to send write10 command\n");
exit(10);
}
#endif
}
void read6_cb(struct iscsi_context *iscsi, int status, void *command_data, void *private_data)