*/
#include <stdlib.h>
#include <stdio.h>
+#include <stdbool.h>
#include <string.h>
-#include <glib.h>
#include <sys/time.h>
#include <sys/types.h>
-#include <sys/types.h>
#include <sys/socket.h>
#include <syslog.h>
#include <unistd.h>
#define MY_NAME "nbd-tester-client"
#include "cliserv.h"
+#include <netinet/in.h>
+#include <glib.h>
+
static gchar errstr[1024];
const static int errstr_len=1024;
+static uint64_t size;
+
typedef enum {
CONNECTION_TYPE_NONE,
CONNECTION_TYPE_CONNECT,
return retval;
}
-int setup_connection(gchar *hostname, int port, CONNECTION_TYPE ctype) {
+int setup_connection(gchar *hostname, int port, gchar* name, CONNECTION_TYPE ctype) {
int sock;
struct hostent *host;
struct sockaddr_in addr;
char buf[256];
+ uint64_t mymagic = (name ? opts_magic : cliserv_magic);
u64 tmp64;
+ uint32_t tmp32 = 0;
sock=0;
if(ctype<CONNECTION_TYPE_CONNECT)
goto err_open;
}
tmp64=ntohll(tmp64);
- if(tmp64 != cliserv_magic) {
- strncpy(errstr, "cliserv_magic does not match", errstr_len);
+ if(tmp64 != mymagic) {
+ strncpy(errstr, "mymagic does not match", errstr_len);
goto err_open;
}
if(ctype<CONNECTION_TYPE_FULL)
goto end;
- /* The information we get now contains information on sizes. If
- * we're here, that means we want a 'working' connection, but
- * we're not interested in the sizes. So, read them but throw
- * the values away. We need to read the size of the device (a
- * 64bit integer) plus the reserved fields (128 bytes; should
- * all be zeroes).
- */
- read_all(sock, buf, sizeof(tmp64)+128);
+ if(!name) {
+ read_all(sock, &size, sizeof(size));
+ size=ntohll(size);
+ read_all(sock, buf, 128);
+ goto end;
+ }
+ /* flags */
+ read_all(sock, buf, sizeof(uint16_t));
+ /* reserved field */
+ write(sock, &tmp32, sizeof(tmp32));
+ /* magic */
+ tmp64 = htonll(opts_magic);
+ write(sock, &tmp64, sizeof(tmp64));
+ /* name */
+ tmp32 = htonl(NBD_OPT_EXPORT_NAME);
+ write(sock, &tmp32, sizeof(tmp32));
+ tmp32 = htonl((uint32_t)strlen(name));
+ write(sock, &tmp32, sizeof(tmp32));
+ write(sock, name, strlen(name));
+ read_all(sock, &size, sizeof(size));
+ size = ntohll(size);
+ read_all(sock, buf, sizeof(uint16_t)+124);
goto end;
err_open:
close(sock);
rep.magic=ntohl(rep.magic);
rep.error=ntohl(rep.error);
if(rep.magic!=NBD_REPLY_MAGIC) {
- snprintf(errstr, errstr_len, "Received package with incorrect reply_magic. Index of sent packages is %lld (0x%llX), received handle is %lld (0x%llX). Received magic 0x%lX, expected 0x%lX", curhandle, curhandle, *((u64*)rep.handle), *((u64*)rep.handle), rep.magic, NBD_REPLY_MAGIC);
+ snprintf(errstr, errstr_len, "Received package with incorrect reply_magic. Index of sent packages is %lld (0x%llX), received handle is %lld (0x%llX). Received magic 0x%lX, expected 0x%lX", curhandle, curhandle, *((u64*)rep.handle), *((u64*)rep.handle), (long unsigned int)rep.magic, (long unsigned int)NBD_REPLY_MAGIC);
retval=-1;
goto end;
}
if(rep.error) {
- snprintf(errstr, errstr_len, "Received error from server: %ld (0x%lX). Handle is %lld (0x%llX).", rep.error, *((u64*)rep.handle), *((u64*)rep.handle));
+ snprintf(errstr, errstr_len, "Received error from server: %ld (0x%lX). Handle is %lld (0x%llX).", (long int)rep.error, (long unsigned int)rep.error, (long long int)(*((u64*)rep.handle)), *((u64*)rep.handle));
retval=-1;
goto end;
}
return retval;
}
-int throughput_test(gchar* hostname, int port, int sock, char sock_is_open, char close_sock) {
+int oversize_test(gchar* hostname, int port, char* name, int sock, char sock_is_open, char close_sock) {
+ int retval=0;
+ struct nbd_request req;
+ struct nbd_reply rep;
+ int request=0;
+ int i=0;
+ pid_t mypid = getpid();
+ char buf[((1024*1024)+sizeof(struct nbd_request)/2)<<1];
+ bool got_err;
+
+ /* This should work */
+ if(!sock_is_open) {
+ if((sock=setup_connection(hostname, port, name, CONNECTION_TYPE_FULL))<0) {
+ g_warning("Could not open socket: %s", errstr);
+ retval=-1;
+ goto err;
+ }
+ }
+ req.magic=htonl(NBD_REQUEST_MAGIC);
+ req.type=htonl(NBD_CMD_READ);
+ req.len=htonl(1024*1024);
+ memcpy(&(req.handle),&i,sizeof(i));
+ req.from=htonll(i);
+ write(sock, &req, sizeof(req));
+ printf("%d: testing oversized request: %d: ", getpid(), ntohl(req.len));
+ read_all(sock, &rep, sizeof(struct nbd_reply));
+ read_all(sock, &buf, ntohl(req.len));
+ if(rep.error) {
+ printf("Received unexpected error\n");
+ retval=-1;
+ goto err;
+ } else {
+ printf("OK\n");
+ }
+ /* This probably should not work */
+ i++; req.from=htonll(i);
+ req.len = htonl(ntohl(req.len) + sizeof(struct nbd_request) / 2);
+ write(sock, &req, sizeof(req));
+ printf("%d: testing oversized request: %d: ", getpid(), ntohl(req.len));
+ read_all(sock, &rep, sizeof(struct nbd_reply));
+ read_all(sock, &buf, ntohl(req.len));
+ if(rep.error) {
+ printf("Received expected error\n");
+ got_err=true;
+ } else {
+ printf("OK\n");
+ got_err=false;
+ }
+ /* ... unless this works, too */
+ i++; req.from=htonll(i);
+ req.len = htonl(ntohl(req.len) << 1);
+ write(sock, &req, sizeof(req));
+ printf("%d: testing oversized request: %d: ", getpid(), ntohl(req.len));
+ read_all(sock, &rep, sizeof(struct nbd_reply));
+ read_all(sock, &buf, ntohl(req.len));
+ if(rep.error) {
+ printf("error\n");
+ } else {
+ printf("OK\n");
+ }
+ if((rep.error && !got_err) || (!rep.error && got_err)) {
+ printf("Received unexpected error\n");
+ retval=-1;
+ }
+ err:
+ return retval;
+}
+
+int throughput_test(gchar* hostname, int port, char* name, int sock, char sock_is_open, char close_sock) {
long long int i;
char buf[1024];
struct nbd_request req;
- u64 size;
int requests=0;
fd_set set;
struct timeval tv;
int retval=0;
size_t tmp;
signed int do_write=TRUE;
+ pid_t mypid = getpid();
size=0;
if(!sock_is_open) {
- if((sock=setup_connection(hostname, port, CONNECTION_TYPE_CLISERV))<0) {
+ if((sock=setup_connection(hostname, port, name, CONNECTION_TYPE_FULL))<0) {
g_warning("Could not open socket: %s", errstr);
retval=-1;
goto err;
}
- } else {
- /* Assume the file is at least 4k in size. Not much of a test
- * this way, but, well. */
- size=4096;
}
- if((tmp=read_all(sock, &size, sizeof(u64)))<0) {
- retval=-1;
- snprintf(errstr, errstr_len, "Could not read from socket: %s", strerror(errno));
- goto err_open;
- }
- if(tmp==0) {
- retval=-1;
- snprintf(errstr, errstr_len, "Server closed connection unexpectedly when trying to read size of device in throughput test");
- goto err;
- }
- read_all(sock,&buf,128);
- size=ntohll(size);
req.magic=htonl(NBD_REQUEST_MAGIC);
req.type=htonl(NBD_CMD_READ);
req.len=htonl(1024);
}
for(i=0;i+1024<=size;i+=1024) {
if(do_write) {
- *((u64*)req.handle)=i;
+ memcpy(&(req.handle),&i,sizeof(i));
req.from=htonll(i);
write(sock, &req, sizeof(req));
- printf("Requests(+): %d\n", ++requests);
+ printf("%d: Requests(+): %d\n", (int)mypid, ++requests);
}
do {
FD_ZERO(&set);
retval=-1;
goto err_open;
}
- printf("Requests(-): %d\n", --requests);
+ printf("%d: Requests(-): %d\n", (int)mypid, --requests);
}
} while FD_ISSET(sock, &set);
/* Now wait until we can write again or until a second have
/* Okay, there's something ready for
* reading here */
read_packet_check_header(sock, 1024, i);
- printf("Requests(-): %d\n", --requests);
+ printf("%d: Requests(-): %d\n", (int)mypid, --requests);
}
} while (requests);
if(gettimeofday(&stop, NULL)<0) {
snprintf(errstr, errstr_len, "Could not measure end time: %s", strerror(errno));
goto err_open;
}
- timespan=stop.tv_sec-start.tv_sec+(stop.tv_usec-start.tv_usec)/1000000;
+ timespan=(float)(stop.tv_sec-start.tv_sec+(stop.tv_usec-start.tv_usec))/(float)1000000;
speed=(int)(size/timespan);
if(speed>1024) {
speed>>=10;
speed>>=10;
speedchar[0]='G';
}
- g_message("Throughput test complete. Took %.3f seconds to complete, %d%sB/s",timespan,speed,speedchar);
+ g_message("%d: Throughput test complete. Took %.3f seconds to complete, %d%siB/s", (int)getpid(), timespan,speed,speedchar);
err_open:
if(close_sock) {
return retval;
}
+typedef int (*testfunc)(gchar*, int, char*, int, char, char);
+
int main(int argc, char**argv) {
gchar *hostname;
- long int p;
- int port;
- int sock;
+ long int p = 0;
+ char* name = NULL;
+ int sock=0;
+ char c;
+ bool want_port = TRUE;
+ int nonopt=0;
+ testfunc test = throughput_test;
if(argc<3) {
- g_message("Not enough arguments");
- g_message("Usage: %s <hostname> <port>", argv[0]);
+ g_message("%d: Not enough arguments", (int)getpid());
+ g_message("%d: Usage: %s <hostname> <port>", (int)getpid(), argv[0]);
+ g_message("%d: Or: %s <hostname> -N <exportname>", (int)getpid(), argv[0]);
exit(EXIT_FAILURE);
}
logging();
- hostname=g_strdup(argv[1]);
- p=(strtol(argv[2], NULL, 0));
- if(p==LONG_MIN||p==LONG_MAX) {
- g_critical("Could not parse port number: %s", strerror(errno));
- exit(EXIT_FAILURE);
+ while((c=getopt(argc, argv, "-N:o"))>=0) {
+ switch(c) {
+ case 1:
+ switch(nonopt) {
+ case 0:
+ hostname=g_strdup(optarg);
+ nonopt++;
+ break;
+ case 1:
+ if(want_port)
+ p=(strtol(argv[2], NULL, 0));
+ if(p==LONG_MIN||p==LONG_MAX) {
+ g_critical("Could not parse port number: %s", strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ break;
+ }
+ break;
+ case 'N':
+ name=g_strdup(optarg);
+ p = 10809;
+ want_port = false;
+ break;
+ case 'o':
+ test=oversize_test;
+ break;
+ }
}
- port=(int)p;
- if(throughput_test(hostname, port, sock, FALSE, TRUE)<0) {
- g_warning("Could not run throughput test: %s", errstr);
+ if(test(hostname, (int)p, name, sock, FALSE, TRUE)<0) {
+ g_warning("Could not run test: %s", errstr);
exit(EXIT_FAILURE);
}
projects / nbd.git / blobdiff