GCOV - Varnish Cache


/*-
 * Copyright (c) 2008-2011 Varnish Software AS
 * All rights reserved.
 *
 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "config.h"

#include <sys/socket.h>
#include <sys/un.h>

#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <poll.h>
#include <unistd.h>

#include "vtc.h"

#include "vsa.h"
#include "vss.h"
#include "vtcp.h"
#include "vus.h"

struct client {
        unsigned                magic;
#define CLIENT_MAGIC            0x6242397c
        char                    *name;
        struct vtclog           *vl;
        VTAILQ_ENTRY(client)    list;
        struct vtc_sess         *vsp;

        char                    *spec;

        char                    connect[256];
        char                    *addr;

        char                    *proxy_spec;
        int                     proxy_version;

        unsigned                running;
        pthread_t               tp;
};

static VTAILQ_HEAD(, client)    clients = VTAILQ_HEAD_INITIALIZER(clients);

/**********************************************************************
 * Send the proxy header
 */

static void
client_proxy(struct vtclog *vl, int fd, int version, const char *speca)
{
        const struct suckaddr *sac, *sas;
        char *spec, *save, *p;
        struct vsb *tlv;

        spec = strdup(speca);
        AN(spec);
        save = NULL;

        p = strtok_r(spec, " ", &save);
        AN(p);
        sac = VSS_ResolveOne(NULL, p, NULL, 0, SOCK_STREAM, AI_PASSIVE);
        if (sac == NULL)
                vtc_fatal(vl, "Could not resolve client address");

        p = strtok_r(NULL, " ", &save);
        AN(p);
        sas = VSS_ResolveOne(NULL, p, NULL, 0, SOCK_STREAM, AI_PASSIVE);
        if (sas == NULL)
                vtc_fatal(vl, "Could not resolve client address");

        tlv = VSB_new_auto();
        while ((p = strtok_r(NULL, " ", &save)) != NULL)
                vtc_proxy_tlv(vl, tlv, p);

        free(spec);

        AZ(VSB_finish(tlv));
        if (vtc_send_proxy(fd, version, sac, sas, tlv))
                vtc_fatal(vl, "Write failed: %s", strerror(errno));
        VSA_free(&sac);
        VSA_free(&sas);
}

/**********************************************************************
 * Socket connect.
 */

static int
client_tcp_connect(struct vtclog *vl, const char *addr, double tmo,
                   const char **errp)
{
        int fd;
        char mabuf[VTCP_ADDRBUFSIZE], mpbuf[VTCP_PORTBUFSIZE];

        AN(addr);
        AN(errp);
        fd = VTCP_open(addr, NULL, tmo, errp);
        if (fd < 0)
                return (fd);
        VTCP_myname(fd, mabuf, sizeof mabuf, mpbuf, sizeof mpbuf);
        vtc_log(vl, 3, "connected fd %d from %s %s to %s", fd, mabuf, mpbuf,
                addr);
        return (fd);
}

/* cf. VTCP_Open() */
static int v_matchproto_(vus_resolved_f)
uds_open(void *priv, const struct sockaddr_un *uds)
{
        double *p;
        int s, i, tmo;
        struct pollfd fds[1];
        socklen_t sl;

        sl = VUS_socklen(uds);

        AN(priv);
        AN(uds);
        p = priv;
        assert(*p > 0.);
        tmo = (int)(*p * 1e3);

        s = socket(uds->sun_family, SOCK_STREAM, 0);
        if (s < 0)
                return (s);

        VTCP_nonblocking(s);
        i = connect(s, (const void*)uds, sl);
        if (i == 0)
                return (s);
        if (errno != EINPROGRESS) {
                closefd(&s);
                return (-1);
        }

        fds[0].fd = s;
        fds[0].events = POLLWRNORM;
        fds[0].revents = 0;
        i = poll(fds, 1, tmo);

        if (i == 0) {
                closefd(&s);
                errno = ETIMEDOUT;
                return (-1);
        }

        return (VTCP_connected(s));
}

static int
client_uds_connect(struct vtclog *vl, const char *path, double tmo,
                   const char **errp)
{
        int fd;

        assert(tmo >= 0);

        errno = 0;
        fd = VUS_resolver(path, uds_open, &tmo, errp);
        if (fd < 0) {
                *errp = strerror(errno);
                return (fd);
        }
        vtc_log(vl, 3, "connected fd %d to %s", fd, path);
        return (fd);
}

static int
client_connect(struct vtclog *vl, struct client *c)
{
        const char *err;
        int fd;

        vtc_log(vl, 3, "Connect to %s", c->addr);
        if (VUS_is(c->addr))
                fd = client_uds_connect(vl, c->addr, 10., &err);
        else
                fd = client_tcp_connect(vl, c->addr, 10., &err);
        if (fd < 0)
                vtc_fatal(c->vl, "Failed to open %s: %s",
                    c->addr, err);
        /* VTCP_blocking does its own checks, trust it */
        VTCP_blocking(fd);
        if (c->proxy_spec != NULL)
                client_proxy(vl, fd, c->proxy_version, c->proxy_spec);
        return (fd);
}

/**********************************************************************
 * Client thread
 */

static int
client_conn(void *priv, struct vtclog *vl)
{
        struct client *c;

        CAST_OBJ_NOTNULL(c, priv, CLIENT_MAGIC);
        return (client_connect(vl, c));
}

static void
client_disc(void *priv, struct vtclog *vl, int *fdp)
{
        (void)priv;
        vtc_log(vl, 3, "closing fd %d", *fdp);
        VTCP_close(fdp);
}

/**********************************************************************
 * Allocate and initialize a client
 */

static struct client *
client_new(const char *name)
{
        struct client *c;

        ALLOC_OBJ(c, CLIENT_MAGIC);
        AN(c);
        REPLACE(c->name, name);
        c->vl = vtc_logopen("%s", name);
        AN(c->vl);
        c->vsp = Sess_New(c->vl, name);
        AN(c->vsp);

        bprintf(c->connect, "%s", "${v1_sock}");
        VTAILQ_INSERT_TAIL(&clients, c, list);
        return (c);
}

/**********************************************************************
 * Clean up client
 */

static void
client_delete(struct client *c)
{

        CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
        Sess_Destroy(&c->vsp);
        vtc_logclose(c->vl);
        free(c->spec);
        free(c->name);
        free(c->addr);
        free(c->proxy_spec);
        /* XXX: MEMLEAK (?)*/
        FREE_OBJ(c);
}

/**********************************************************************
 * Start the client thread
 */

static void
client_start(struct client *c)
{
        struct vsb *vsb;

        CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
        vtc_log(c->vl, 2, "Starting client");
        c->running = 1;
        vsb = macro_expand(c->vl, c->connect);
        AN(vsb);
        REPLACE(c->addr, VSB_data(vsb));
        VSB_destroy(&vsb);
        c->tp = Sess_Start_Thread(
            c,
            c->vsp,
            client_conn,
            client_disc,
            c->addr,
            NULL,
            c->spec
        );
}

/**********************************************************************
 * Wait for client thread to stop
 */

static void
client_wait(struct client *c)
{
        void *res;

        CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
        vtc_log(c->vl, 2, "Waiting for client");
        PTOK(pthread_join(c->tp, &res));
        if (res != NULL)
                vtc_fatal(c->vl, "Client returned \"%s\"", (char *)res);
        c->tp = 0;
        c->running = 0;
}

/**********************************************************************
 * Run the client thread
 */

static void
client_run(struct client *c)
{

        client_start(c);
        client_wait(c);
}


/**********************************************************************
 * Client command dispatch
 */

void
cmd_client(CMD_ARGS)
{
        struct client *c, *c2;

        (void)priv;

        if (av == NULL) {
                /* Reset and free */
                VTAILQ_FOREACH_SAFE(c, &clients, list, c2) {
                        VTAILQ_REMOVE(&clients, c, list);
                        if (c->tp != 0)
                                client_wait(c);
                        client_delete(c);
                }
                return;
        }

        AZ(strcmp(av[0], "client"));
        av++;

        VTC_CHECK_NAME(vl, av[0], "Client", 'c');
        VTAILQ_FOREACH(c, &clients, list)
                if (!strcmp(c->name, av[0]))
                        break;
        if (c == NULL)
                c = client_new(av[0]);
        av++;

        for (; *av != NULL; av++) {
                if (vtc_error)
                        break;

                if (!strcmp(*av, "-wait")) {
                        client_wait(c);
                        continue;
                }

                /* Don't muck about with a running client */
                if (c->running)
                        client_wait(c);

                AZ(c->running);
                if (Sess_GetOpt(c->vsp, &av))
                        continue;

                if (!strcmp(*av, "-connect")) {
                        bprintf(c->connect, "%s", av[1]);
                        av++;
                        continue;
                }
                if (!strcmp(*av, "-proxy1")) {
                        REPLACE(c->proxy_spec, av[1]);
                        c->proxy_version = 1;
                        av++;
                        continue;
                }
                if (!strcmp(*av, "-proxy2")) {
                        REPLACE(c->proxy_spec, av[1]);
                        c->proxy_version = 2;
                        av++;
                        continue;
                }
                if (!strcmp(*av, "-start")) {
                        client_start(c);
                        continue;
                }
                if (!strcmp(*av, "-run")) {
                        client_run(c);
                        continue;
                }
                if (**av == '-')
                        vtc_fatal(c->vl, "Unknown client argument: %s", *av);
                REPLACE(c->spec, *av);
        }
}

		varnish-cache/bin/varnishtest/vtc_client.c
0		/*-
1		* Copyright (c) 2008-2011 Varnish Software AS
2		* All rights reserved.
3		*
4		* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
5		*
6		* SPDX-License-Identifier: BSD-2-Clause
7		*
8		* Redistribution and use in source and binary forms, with or without
9		* modification, are permitted provided that the following conditions
10		* are met:
11		* 1. Redistributions of source code must retain the above copyright
12		* notice, this list of conditions and the following disclaimer.
13		* 2. Redistributions in binary form must reproduce the above copyright
14		* notice, this list of conditions and the following disclaimer in the
15		* documentation and/or other materials provided with the distribution.
16		*
17		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20		* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27		* SUCH DAMAGE.
28		*/
29
30		#include "config.h"
31
32		#include <sys/socket.h>
33		#include <sys/un.h>
34
35		#include <netdb.h>
36		#include <stdio.h>
37		#include <stdlib.h>
38		#include <string.h>
39		#include <poll.h>
40		#include <unistd.h>
41
42		#include "vtc.h"
43
44		#include "vsa.h"
45		#include "vss.h"
46		#include "vtcp.h"
47		#include "vus.h"
48
49		struct client {
50		unsigned magic;
51		#define CLIENT_MAGIC 0x6242397c
52		char *name;
53		struct vtclog *vl;
54		VTAILQ_ENTRY(client) list;
55		struct vtc_sess *vsp;
56
57		char *spec;
58
59		char connect[256];
60		char *addr;
61
62		char *proxy_spec;
63		int proxy_version;
64
65		unsigned running;
66		pthread_t tp;
67		};
68
69		static VTAILQ_HEAD(, client) clients = VTAILQ_HEAD_INITIALIZER(clients);
70
71		/**********************************************************************
72		* Send the proxy header
73		*/
74
75		static void
76	12	client_proxy(struct vtclog vl, int fd, int version, const char speca)
77		{
78		const struct suckaddr sac, sas;
79		char spec, save, *p;
80		struct vsb *tlv;
81
82	12	spec = strdup(speca);
83	12	AN(spec);
84	12	save = NULL;
85
86	12	p = strtok_r(spec, " ", &save);
87	12	AN(p);
88	12	sac = VSS_ResolveOne(NULL, p, NULL, 0, SOCK_STREAM, AI_PASSIVE);
89	12	if (sac == NULL)
90	0	vtc_fatal(vl, "Could not resolve client address");
91
92	12	p = strtok_r(NULL, " ", &save);
93	12	AN(p);
94	12	sas = VSS_ResolveOne(NULL, p, NULL, 0, SOCK_STREAM, AI_PASSIVE);
95	12	if (sas == NULL)
96	0	vtc_fatal(vl, "Could not resolve client address");
97
98	12	tlv = VSB_new_auto();
99	14	while ((p = strtok_r(NULL, " ", &save)) != NULL)
100	2	vtc_proxy_tlv(vl, tlv, p);
101
102	12	free(spec);
103
104	12	AZ(VSB_finish(tlv));
105	12	if (vtc_send_proxy(fd, version, sac, sas, tlv))
106	0	vtc_fatal(vl, "Write failed: %s", strerror(errno));
107	12	VSA_free(&sac);
108	12	VSA_free(&sas);
109	12	}
110
111		/**********************************************************************
112		* Socket connect.
113		*/
114
115		static int
116	1993	client_tcp_connect(struct vtclog vl, const char addr, double tmo,
117		const char **errp)
118		{
119		int fd;
120		char mabuf[VTCP_ADDRBUFSIZE], mpbuf[VTCP_PORTBUFSIZE];
121
122	1993	AN(addr);
123	1993	AN(errp);
124	1993	fd = VTCP_open(addr, NULL, tmo, errp);
125	1993	if (fd < 0)
126	0	return (fd);
127	1993	VTCP_myname(fd, mabuf, sizeof mabuf, mpbuf, sizeof mpbuf);
128	3986	vtc_log(vl, 3, "connected fd %d from %s %s to %s", fd, mabuf, mpbuf,
129	1993	addr);
130	1993	return (fd);
131	1993	}
132
133		/* cf. VTCP_Open() */
134		static int v_matchproto_(vus_resolved_f)
135	252	uds_open(void priv, const struct sockaddr_un uds)
136		{
137		double *p;
138		int s, i, tmo;
139		struct pollfd fds[1];
140		socklen_t sl;
141
142	252	sl = VUS_socklen(uds);
143
144	252	AN(priv);
145	252	AN(uds);
146	252	p = priv;
147	252	assert(*p > 0.);
148	252	tmo = (int)(p 1e3);
149
150	252	s = socket(uds->sun_family, SOCK_STREAM, 0);
151	252	if (s < 0)
152	0	return (s);
153
154	252	VTCP_nonblocking(s);
155	252	i = connect(s, (const void*)uds, sl);
156	252	if (i == 0)
157	252	return (s);
158	0	if (errno != EINPROGRESS) {
159	0	closefd(&s);
160	0	return (-1);
161		}
162
163	0	fds[0].fd = s;
164	0	fds[0].events = POLLWRNORM;
165	0	fds[0].revents = 0;
166	0	i = poll(fds, 1, tmo);
167
168	0	if (i == 0) {
169	0	closefd(&s);
170	0	errno = ETIMEDOUT;
171	0	return (-1);
172		}
173
174	0	return (VTCP_connected(s));
175	252	}
176
177		static int
178	252	client_uds_connect(struct vtclog vl, const char path, double tmo,
179		const char **errp)
180		{
181		int fd;
182
183	252	assert(tmo >= 0);
184
185	252	errno = 0;
186	252	fd = VUS_resolver(path, uds_open, &tmo, errp);
187	252	if (fd < 0) {
188	0	*errp = strerror(errno);
189	0	return (fd);
190		}
191	252	vtc_log(vl, 3, "connected fd %d to %s", fd, path);
192	252	return (fd);
193	252	}
194
195		static int
196	2246	client_connect(struct vtclog vl, struct client c)
197		{
198		const char *err;
199		int fd;
200
201	2246	vtc_log(vl, 3, "Connect to %s", c->addr);
202	2246	if (VUS_is(c->addr))
203	252	fd = client_uds_connect(vl, c->addr, 10., &err);
204		else
205	1994	fd = client_tcp_connect(vl, c->addr, 10., &err);
206	2246	if (fd < 0)
207	0	vtc_fatal(c->vl, "Failed to open %s: %s",
208	0	c->addr, err);
209		/* VTCP_blocking does its own checks, trust it */
210	2246	VTCP_blocking(fd);
211	2246	if (c->proxy_spec != NULL)
212	12	client_proxy(vl, fd, c->proxy_version, c->proxy_spec);
213	2246	return (fd);
214		}
215
216		/**********************************************************************
217		* Client thread
218		*/
219
220		static int
221	2246	client_conn(void priv, struct vtclog vl)
222		{
223		struct client *c;
224
225	2246	CAST_OBJ_NOTNULL(c, priv, CLIENT_MAGIC);
226	2246	return (client_connect(vl, c));
227		}
228
229		static void
230	2245	client_disc(void priv, struct vtclog vl, int *fdp)
231		{
232	2245	(void)priv;
233	2245	vtc_log(vl, 3, "closing fd %d", *fdp);
234	2245	VTCP_close(fdp);
235	2245	}
236
237		/**********************************************************************
238		* Allocate and initialize a client
239		*/
240
241		static struct client *
242	1162	client_new(const char *name)
243		{
244		struct client *c;
245
246	1162	ALLOC_OBJ(c, CLIENT_MAGIC);
247	1162	AN(c);
248	1162	REPLACE(c->name, name);
249	1162	c->vl = vtc_logopen("%s", name);
250	1162	AN(c->vl);
251	1162	c->vsp = Sess_New(c->vl, name);
252	1162	AN(c->vsp);
253
254	1162	bprintf(c->connect, "%s", "${v1_sock}");
255	1162	VTAILQ_INSERT_TAIL(&clients, c, list);
256	1162	return (c);
257		}
258
259		/**********************************************************************
260		* Clean up client
261		*/
262
263		static void
264	1162	client_delete(struct client *c)
265		{
266
267	1162	CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
268	1162	Sess_Destroy(&c->vsp);
269	1162	vtc_logclose(c->vl);
270	1162	free(c->spec);
271	1162	free(c->name);
272	1162	free(c->addr);
273	1162	free(c->proxy_spec);
274		/* XXX: MEMLEAK (?)*/
275	1162	FREE_OBJ(c);
276	1162	}
277
278		/**********************************************************************
279		* Start the client thread
280		*/
281
282		static void
283	1787	client_start(struct client *c)
284		{
285		struct vsb *vsb;
286
287	1787	CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
288	1787	vtc_log(c->vl, 2, "Starting client");
289	1787	c->running = 1;
290	1787	vsb = macro_expand(c->vl, c->connect);
291	1787	AN(vsb);
292	1787	REPLACE(c->addr, VSB_data(vsb));
293	1787	VSB_destroy(&vsb);
294	1787	c->tp = Sess_Start_Thread(
295	1787	c,
296	1787	c->vsp,
297		client_conn,
298		client_disc,
299	1787	c->addr,
300		NULL,
301	1787	c->spec
302		);
303	1787	}
304
305		/**********************************************************************
306		* Wait for client thread to stop
307		*/
308
309		static void
310	1787	client_wait(struct client *c)
311		{
312		void *res;
313
314	1787	CHECK_OBJ_NOTNULL(c, CLIENT_MAGIC);
315	1787	vtc_log(c->vl, 2, "Waiting for client");
316	1787	PTOK(pthread_join(c->tp, &res));
317	1787	if (res != NULL)
318	0	vtc_fatal(c->vl, "Client returned \"%s\"", (char *)res);
319	1787	c->tp = 0;
320	1787	c->running = 0;
321	1787	}
322
323		/**********************************************************************
324		* Run the client thread
325		*/
326
327		static void
328	1589	client_run(struct client *c)
329		{
330
331	1589	client_start(c);
332	1589	client_wait(c);
333	1589	}
334
335
336		/**********************************************************************
337		* Client command dispatch
338		*/
339
340		void
341	3070	cmd_client(CMD_ARGS)
342		{
343		struct client c, c2;
344
345	3070	(void)priv;
346
347	3070	if (av == NULL) {
348		/* Reset and free */
349	2185	VTAILQ_FOREACH_SAFE(c, &clients, list, c2) {
350	1162	VTAILQ_REMOVE(&clients, c, list);
351	1162	if (c->tp != 0)
352	21	client_wait(c);
353	1162	client_delete(c);
354	1162	}
355	1023	return;
356		}
357
358	2047	AZ(strcmp(av[0], "client"));
359	2047	av++;
360
361	2047	VTC_CHECK_NAME(vl, av[0], "Client", 'c');
362	2977	VTAILQ_FOREACH(c, &clients, list)
363	1815	if (!strcmp(c->name, av[0]))
364	885	break;
365	2047	if (c == NULL)
366	1162	c = client_new(av[0]);
367	2047	av++;
368
369	5947	for (; *av != NULL; av++) {
370	3900	if (vtc_error)
371	0	break;
372
373	3900	if (!strcmp(*av, "-wait")) {
374	176	client_wait(c);
375	176	continue;
376		}
377
378		/* Don't muck about with a running client */
379	3724	if (c->running)
380	1	client_wait(c);
381
382	3724	AZ(c->running);
383	3724	if (Sess_GetOpt(c->vsp, &av))
384	34	continue;
385
386	3690	if (!strcmp(*av, "-connect")) {
387	150	bprintf(c->connect, "%s", av[1]);
388	150	av++;
389	150	continue;
390		}
391	3540	if (!strcmp(*av, "-proxy1")) {
392	8	REPLACE(c->proxy_spec, av[1]);
393	8	c->proxy_version = 1;
394	8	av++;
395	8	continue;
396		}
397	3532	if (!strcmp(*av, "-proxy2")) {
398	4	REPLACE(c->proxy_spec, av[1]);
399	4	c->proxy_version = 2;
400	4	av++;
401	4	continue;
402		}
403	3528	if (!strcmp(*av, "-start")) {
404	198	client_start(c);
405	198	continue;
406		}
407	3330	if (!strcmp(*av, "-run")) {
408	1589	client_run(c);
409	1589	continue;
410		}
411	1741	if (**av == '-')
412	0	vtc_fatal(c->vl, "Unknown client argument: %s", *av);
413	1741	REPLACE(c->spec, *av);
414	1741	}
415	3070	}