[thirdparty/squid.git] / test-suite / pconn-banger.c

#include "squid.h"
#include "compat/getaddrinfo.h"

#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_STDIO_H
#include <stdio.h>
#endif
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_STRINGS_H
#include <strings.h>
#endif
#if HAVE_BSTRING_H
#include <bstring.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_TIME_H
#include <time.h>
#endif
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_CTYPE_H
#include <ctype.h>
#endif
#if HAVE_ASSERT_H
#include <assert.h>
#endif
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif

#define PROXY_PORT "3128"
#define PROXY_ADDR "127.0.0.1"
#define MAX_FDS 1024
#define READ_BUF_SZ 4096
#define min(x,y) ((x)<(y)? (x) : (y))

static int proxy_port = PROXY_PORT;
static char *proxy_addr = PROXY_ADDR;
static char *progname;
static int noutstanding = 0;
static int done_reading_urls = 0;
static int opt_ims = 0;
static int opt_checksum = 0;
static int opt_reopen = 1;
static int max_outstanding = 10;
static time_t lifetime = 60;
static const char *const crlf = "\r\n";
static int trace_fd = -1;
static int total_bytes_read = 0;

#define REPLY_HDR_SZ 8192

struct _r {
    char url[1024];
    int content_length;
    int hdr_length;
    int hdr_offset;
    int bytes_read;
    char reply_hdrs[REPLY_HDR_SZ];
    struct _r *next;
    long sum;
    long validsize;
    long validsum;
};

static struct _r *Requests;

char *
mkrfc850(t)
time_t *t;
{
    static char buf[128];
    struct tm *gmt = gmtime(t);
    buf[0] = '\0';
    (void) strftime(buf, 127, "%A, %d-%b-%y %H:%M:%S GMT", gmt);
    return buf;
}

char *
mime_headers_end(const char *mime)
{
    const char *p1, *p2;
    const char *end = NULL;

    p1 = strstr(mime, "\n\r\n");
    p2 = strstr(mime, "\n\n");

    if (p1 && p2)
        end = p1 < p2 ? p1 : p2;
    else
        end = p1 ? p1 : p2;
    if (end)
        end += (end == p1 ? 3 : 2);

    return (char *) end;
}

void
sig_intr(int sig)
{
    fprintf(stderr, "\rWaiting for open connections to finish...\n");
    signal(sig, SIG_DFL);
    done_reading_urls = 1;
}

int
open_http_socket(void)
{
    int s;
    struct addrinfo *AI = NULL;
    struct addrinfo hints;

    memset(&hints, '\0', sizeof(struct addrinfo));
    hints.ai_flags = AI_NUMERICHOST|AI_NUMERICSERV;
    hints.ai_family = AF_UNSPEC;
    hints.ai_socktype = SOCK_STREAM;

    getaddrinfo(proxy_addr, proxy_port, &hints, AI);

    if ((s = socket(AI->ai_family, AI->ai_socktype, AI->ai_protocol)) < 0) {
        perror("socket");
        s = -1;
    } else if (connect(s, AI->ai_addr, AI->ai_addrlen) < 0) {
        close(s);
        perror("connect");
        s = -1;
    }

    freeaddrinfo(AI);
    return s;
}

int
send_request(int fd, const char *data)
{
    char msg[4096], buf[4096];
    int len;
    time_t w;
    struct _r *r;
    struct _r **R;
    char *method, *url, *file, *size, *checksum;
    char *tmp = strdup(data);
    struct stat st;
    int file_fd = -1;
    method = strtok(tmp, " ");
    url = strtok(NULL, " ");
    file = strtok(NULL, " ");
    size = strtok(NULL, " ");
    checksum = strtok(NULL, " ");
    if (!url) {
        url = method;
        method = "GET";
    }
    if (file && strcmp(file, "-") == 0)
        file = NULL;
    if (size && strcmp(size, "-") == 0)
        size = NULL;
    if (checksum && strcmp(checksum, "-") == 0)
        checksum = NULL;
    msg[0] = '\0';
    sprintf(buf, "%s %s HTTP/1.0\r\n", method, url);
    strcat(msg, buf);
    strcat(msg, "Accept: */*\r\n");
    strcat(msg, "Proxy-Connection: Keep-Alive\r\n");
    if (opt_ims && (lrand48() & 0x03) == 0) {
        w = time(NULL) - (lrand48() & 0x3FFFF);
        sprintf(buf, "If-Modified-Since: %s\r\n", mkrfc850(&w));
        strcat(msg, buf);
    }
    if (file) {
        if ((file_fd = open(file, O_RDONLY)) < 0) {
            perror("open");
            return -1;
        }
        if (fstat(file_fd, &st)) {
            perror("fstat");
            close(file_fd);
            return -1;
        }
        sprintf(buf, "Content-length: %d\r\n", st.st_size);
        strcat(msg, buf);
    }
    strcat(msg, "\r\n");
    len = strlen(msg);
    if (write(fd, msg, len) < 0) {
        close(fd);
        perror("request write");
        close(file_fd);
        return -1;
    }
    if (file) {
        while ((len = read(file_fd, buf, sizeof buf)) > 0) {
            if (write(fd, buf, len) < 0) {
                close(fd);
                perror("body write");
                close(file_fd);
                return -1;
            }
        }
        if (len < 0) {
            perror("file read");
            close(file_fd);
            return -1;
        }
        close(file_fd);
    }
    r = calloc(1, sizeof(struct _r));
    strcpy(r->url, url);
    if (size)
        r->validsize = atoi(size);
    else
        r->validsize = -1;
    if (checksum)
        r->validsum = atoi(checksum);
    for (R = &Requests; *R; R = &(*R)->next);
    *R = r;
    /*    fprintf(stderr, "REQUESTED %s\n", url); */
    noutstanding++;
    return 0;
}

static int
get_header_int_value(const char *hdr, const char *buf, const char *end)
{
    const char *t;
    for (t = buf; t < end; t += strcspn(t, crlf), t += strspn(t, crlf)) {
        if (strncasecmp(t, hdr, strlen(hdr)) == 0) {
            t += strlen(hdr);
            while (xisspace(*t))
                t++;
            return atoi(t);
        }
    }
    return -1;
}

static const char *
get_header_string_value(const char *hdr, const char *buf, const char *end)
{
    const char *t;
    static char result[8192];
    for (t = buf; t < end; t += strcspn(t, crlf), t += strspn(t, crlf)) {
        if (strncasecmp(t, hdr, strlen(hdr)) == 0) {
            t += strlen(hdr);
            while (xisspace(*t))
                t++;
            strcpy(result, "");
            strncat(result, t, strcspn(t, crlf));
            return result;
        }
    }
    return NULL;
}

void
request_done(struct _r *r)
{
#if 0
    fprintf(stderr, "DONE: %s, (%d+%d)\n",
            r->url,
            r->hdr_length,
            r->content_length);
#endif
    if (r->content_length != r->bytes_read)
        fprintf(stderr, "ERROR! Short reply, expected %d bytes got %d\n",
                r->content_length, r->bytes_read);
    else if (r->validsize >= 0) {
        if (r->validsize != r->bytes_read)
            fprintf(stderr, "WARNING: %s Object size mismatch, expected %d got %d\n",
                    r->url, r->validsize, r->bytes_read);
        else if (opt_checksum && r->sum != r->validsum)
            fprintf(stderr, "WARNING: %s Checksum error. Expected %d got %d\n",
                    r->url, r->validsum, r->sum);
    }
}
int
handle_read(char *inbuf, int len)
{
    struct _r *r = Requests;
    const char *end;
    const char *url;
    static char buf[READ_BUF_SZ];
    int hlen, blen;
    if (len < 0) {
        perror("read");
        Requests = r->next;
        request_done(r);
        free(r);
        noutstanding--;
        if (trace_fd >= 0)
            write(trace_fd, "\n[CLOSED]\n", 10);
        return -1;
    }
    total_bytes_read += len;
    memcpy(buf, inbuf, len);
    if (len == 0) {
        fprintf(stderr, "WARNING: %s, server closed socket after %d+%d bytes\n", r->url, r->hdr_offset, r->bytes_read);
        /* XXX, If no data was received and it isn't the first request on this
         * connection then the request should be restarted rather than aborted
         * but this is a simple test program an not a full blown HTTP client.
         */
        request_done(r);
        Requests = r->next;
        free(r);
        noutstanding--;
        return -1;
    }
    if (trace_fd > 0)
        write(trace_fd, buf, len);
    while (len > 0) {
        /* Build headers */
        if (r->hdr_length == 0) {
            hlen = min(len, REPLY_HDR_SZ - r->hdr_offset - 1);
            memcpy(r->reply_hdrs + r->hdr_offset, buf, hlen);
            r->hdr_offset += hlen;
            r->reply_hdrs[r->hdr_offset] = '\0';
            len -= hlen;
            /* Save any remaining read data */
            memmove(buf, buf + hlen, len);
        }
        /* Process headers */
        if (r->hdr_length == 0 && (end = mime_headers_end(r->reply_hdrs)) != NULL) {
#if 0
            fprintf(stderr, "FOUND EOH FOR %s\n", r->url);
            */
#endif
            r->hdr_length = end - r->reply_hdrs;
#if 0
            fprintf(stderr, "HDR_LENGTH = %d\n", r->hdr_length);
#endif
            /* "unread" any body contents received */
            blen = r->hdr_offset - r->hdr_length;
            assert(blen >= 0);
            if (blen > 0) {
                memmove(buf + blen, buf, len);
                memcpy(buf, r->reply_hdrs + r->hdr_length, blen);
                len += blen;
            }
            r->reply_hdrs[r->hdr_length] = '\0';	/* Null terminate headers */
            /* Parse headers */
            r->content_length = get_header_int_value("content-length:", r->reply_hdrs, end);
            /*          fprintf(stderr, "CONTENT_LENGTH = %d\n", r->content_length); */
            url = get_header_string_value("X-Request-URI:", r->reply_hdrs, end);
            if (url != NULL && strcmp(r->url, url) != 0)
                fprintf(stderr, "WARNING: %s got reply %s\n", r->url, url);
#if XREQUESTURI || 0
            fprintf(stderr, "LOCATION = %s\n", get_header_string_value("X-Request-URI:", r->reply_hdrs, end));
#endif
        }
        if (!(len == 0 || r->hdr_length > 0)) {
            fprintf(stderr, "ERROR!!!\n");
            assert((len == 0 || r->hdr_length > 0));
        }
        /* Process body */
        if (r->hdr_length != 0) {
            int i;
            int bytes_left, bytes_used;
            if (r->content_length >= 0) {
                bytes_left = r->content_length - r->bytes_read;
                assert(bytes_left >= 0);
                bytes_used = len < bytes_left ? len : bytes_left;
            } else {
                bytes_left = len + 1;	/* Unknown end... */
                bytes_used = len;
            }
            if (opt_checksum) {
                for (i = 0; i < bytes_used; i++)
                    r->sum += (int) buf[i] & 0xFF;
            }
            r->bytes_read += bytes_used;
            len -= bytes_used;
            if (bytes_left == bytes_used) {
                request_done(r);
                Requests = r->next;
                free(r);
                noutstanding--;
                r = Requests;
            } else if (r->content_length > -1) {
                assert(r->bytes_read < r->content_length);
            }
            memmove(buf, buf + bytes_used, len);
        }
    }
    return 0;
}

int
read_reply(int fd)
{
    static char buf[READ_BUF_SZ];
    int len;
    int x;
    len = read(fd, buf, READ_BUF_SZ);
    x = handle_read(buf, len);
    if (x < 0) {
        perror("read reply");
        close(fd);
    }
    return x;
}

void
main_loop(void)
{
    static int pconn_fd = -1;
    static char buf[8192];
    struct timeval to;
    struct timeval now, last, start;
    fd_set R;
    struct _r *r;
    struct _r *nextr;
    int x;
    int timeouts;
    int nrequests = 0, rrequests = 0, reqpersec = 0;

    gettimeofday(&start, NULL);
    last = start;

    pconn_fd = open_http_socket();
    if (pconn_fd < 0) {
        perror("socket");
        exit(1);
    }
    while (!done_reading_urls || noutstanding) {
        if (!opt_reopen && pconn_fd < 0) {
            fprintf(stderr, "TERMINATED: Connection closed\n");
            break;
        }
        if (pconn_fd < 0) {
            pconn_fd = open_http_socket();
            if (pconn_fd < 0) {
                perror("socket");
                exit(1);
            }
            nextr = Requests;
            Requests = NULL;
            noutstanding = 0;
            while ((r = nextr) != NULL) {
                nextr = r->next;
                if (send_request(pconn_fd, r->url) != 0) {
                    close(pconn_fd);
                    pconn_fd = -1;
                    nextr = r;
                    for (r = Requests; r != NULL && r->next; r = r->next);
                    if (r != NULL)
                        r->next = nextr;
                    else
                        Requests = nextr;
                    break;
                }
                free(r);
            }
            timeouts = 0;
            if (pconn_fd < 0)
                continue;
        }
        if (timeouts == 200) {
            close(pconn_fd);
            pconn_fd = -1;
            r = Requests;
            Requests = Requests->next;
            fprintf(stderr, "ABORT %s\n", Requests->url);
            free(r);
            noutstanding--;
        }
        if (pconn_fd >= 0 && noutstanding < max_outstanding && !done_reading_urls) {
            char *t;
            if (fgets(buf, 8191, stdin) == NULL) {
                fprintf(stderr, "Done Reading URLS\n");
                done_reading_urls = 1;
                continue;
            }
            rrequests++;
            if ((t = strchr(buf, '\n')))
                *t = '\0';
            if (send_request(pconn_fd, buf) != 0) {
                close(pconn_fd);
                pconn_fd = -1;
                continue;
            }
            nrequests++;
            reqpersec++;
            timeouts = 0;
        }
        FD_ZERO(&R);
        to.tv_sec = 1;
        to.tv_usec = 0;
        FD_SET(pconn_fd, &R);
        x = select(pconn_fd + 1, &R, NULL, NULL, &to);
        if (x < 0) {
            if (errno != EINTR)
                perror("select");
            continue;
        } else if (x == 0) {
            assert(Requests != NULL);
            fprintf(stderr, "TIMEOUT %s; %d, %d\n", Requests->url,
                    ++timeouts, noutstanding);
            continue;
        }
        if (FD_ISSET(pconn_fd, &R)) {
            timeouts = 0;
            if (read_reply(pconn_fd) != 0)
                pconn_fd = -1;
        }
        gettimeofday(&now, NULL);
        if (now.tv_sec > last.tv_sec) {
            int dt;
            int nreq;
            last = now;
            dt = (int) (now.tv_sec - start.tv_sec);
            nreq = 0;
            for (r = Requests; r; r = r->next)
                nreq++;
            printf("T+ %6d: %9d req (%+4d), %4d pend, %3d/sec avg, %dmb, %dkb/sec avg\n",
                   dt,
                   nrequests,
                   reqpersec,
                   nreq,
                   (int) (nrequests / dt),
                   (int) total_bytes_read / 1024 / 1024,
                   (int) total_bytes_read / 1024 / dt);
            reqpersec = 0;
        }
    }
}

void
usage(void)
{
    fprintf(stderr, "usage: %s: -p port -h host -n max -t tracefile -i -c -l lifetime\n", progname);
}

int
main(argc, argv)
int argc;
char *argv[];
{
    int c;
    setbuf(stdout, NULL);
    setbuf(stderr, NULL);
    progname = strdup(argv[0]);
    while ((c = getopt(argc, argv, "p:h:n:t:icl:r")) != -1) {
        switch (c) {
        case 'p':
            proxy_port = atoi(optarg);
            break;
        case 'h':
            proxy_addr = strdup(optarg);
            break;
        case 'n':
            max_outstanding = atoi(optarg);
            break;
        case 'i':
            opt_ims = 1;
            break;
        case 'c':
            opt_checksum = 1;
            break;
        case 'l':
            lifetime = (time_t) atoi(optarg);
            break;
        case 't':
            trace_fd = open(optarg, O_WRONLY | O_CREAT | O_TRUNC, 0666);
            break;
        case 'r':
            opt_reopen = !opt_reopen;
            break;
        default:
            usage();
            return 1;
        }
    }
    signal(SIGINT, sig_intr);
    signal(SIGPIPE, SIG_IGN);
    main_loop();
    return 0;
}
Commit	Line	Data
f7f3304a	1	#include "squid.h"
27bc2077	2	#include "compat/getaddrinfo.h"
eb5f55b3	3
	4	#if HAVE_UNISTD_H
	5	#include <unistd.h>
	6	#endif
eb5f55b3	7	#if HAVE_STDIO_H
	8	#include <stdio.h>
	9	#endif
	10	#if HAVE_FCNTL_H
	11	#include <fcntl.h>
	12	#endif
32d002cb	13	#if HAVE_STRING_H
eb5f55b3	14	#include <string.h>
eb5f55b3	15	#endif
32d002cb	16	#if HAVE_STRINGS_H
eb5f55b3	17	#include <strings.h>
eb5f55b3	18	#endif
32d002cb	19	#if HAVE_BSTRING_H
eb5f55b3	20	#include <bstring.h>
eb5f55b3	21	#endif
eb5f55b3	22	#if HAVE_SIGNAL_H
	23	#include <signal.h>
	24	#endif
	25	#if HAVE_TIME_H
	26	#include <time.h>
	27	#endif
eb5f55b3	28	#if HAVE_SYS_SOCKET_H
	29	#include <sys/socket.h>
	30	#endif
	31	#if HAVE_NETINET_IN_H
	32	#include <netinet/in.h>
	33	#endif
	34	#if HAVE_ARPA_INET_H
	35	#include <arpa/inet.h>
	36	#endif
	37	#if HAVE_ERRNO_H
	38	#include <errno.h>
	39	#endif
	40	#if HAVE_CTYPE_H
	41	#include <ctype.h>
	42	#endif
	43	#if HAVE_ASSERT_H
	44	#include <assert.h>
	45	#endif
14ff08f1	46	#if HAVE_SYS_STAT_H
	47	#include <sys/stat.h>
	48	#endif
eb5f55b3	49
cc192b50	50	#define PROXY_PORT "3128"
eb5f55b3	51	#define PROXY_ADDR "127.0.0.1"
	52	#define MAX_FDS 1024
	53	#define READ_BUF_SZ 4096
	54	#define min(x,y) ((x)<(y)? (x) : (y))
	55
	56	static int proxy_port = PROXY_PORT;
	57	static char *proxy_addr = PROXY_ADDR;
	58	static char *progname;
	59	static int noutstanding = 0;
	60	static int done_reading_urls = 0;
	61	static int opt_ims = 0;
14ff08f1	62	static int opt_checksum = 0;
	63	static int opt_reopen = 1;
	64	static int max_outstanding = 10;
eb5f55b3	65	static time_t lifetime = 60;
eb5f55b3	66	static const char *const crlf = "\r\n";
14ff08f1	67	static int trace_fd = -1;
14ff08f1	68	static int total_bytes_read = 0;
eb5f55b3	69
	70	#define REPLY_HDR_SZ 8192
	71
	72	struct _r {
14ff08f1	73	char url[1024];
eb5f55b3	74	int content_length;
	75	int hdr_length;
	76	int hdr_offset;
	77	int bytes_read;
	78	char reply_hdrs[REPLY_HDR_SZ];
	79	struct _r *next;
14ff08f1	80	long sum;
	81	long validsize;
	82	long validsum;
eb5f55b3	83	};
	84
	85	static struct _r *Requests;
	86
	87	char *
	88	mkrfc850(t)
26ac0430	89	time_t *t;
eb5f55b3	90	{
	91	static char buf[128];
	92	struct tm *gmt = gmtime(t);
	93	buf[0] = '\0';
	94	(void) strftime(buf, 127, "%A, %d-%b-%y %H:%M:%S GMT", gmt);
	95	return buf;
	96	}
	97
eb5f55b3	98	char *
	99	mime_headers_end(const char *mime)
	100	{
	101	const char p1, p2;
	102	const char *end = NULL;
	103
	104	p1 = strstr(mime, "\n\r\n");
	105	p2 = strstr(mime, "\n\n");
	106
	107	if (p1 && p2)
26ac0430	108	end = p1 < p2 ? p1 : p2;
eb5f55b3	109	else
26ac0430	110	end = p1 ? p1 : p2;
eb5f55b3	111	if (end)
26ac0430	112	end += (end == p1 ? 3 : 2);
eb5f55b3	113
	114	return (char *) end;
	115	}
	116
	117	void
	118	sig_intr(int sig)
	119	{
14ff08f1	120	fprintf(stderr, "\rWaiting for open connections to finish...\n");
eb5f55b3	121	signal(sig, SIG_DFL);
14ff08f1	122	done_reading_urls = 1;
eb5f55b3	123	}
	124
	125	int
	126	open_http_socket(void)
	127	{
	128	int s;
cc192b50	129	struct addrinfo *AI = NULL;
	130	struct addrinfo hints;
	131
	132	memset(&hints, '\0', sizeof(struct addrinfo));
	133	hints.ai_flags = AI_NUMERICHOST\|AI_NUMERICSERV;
	134	hints.ai_family = AF_UNSPEC;
	135	hints.ai_socktype = SOCK_STREAM;
	136
27bc2077	137	getaddrinfo(proxy_addr, proxy_port, &hints, AI);
cc192b50	138
cc192b50	139	if ((s = socket(AI->ai_family, AI->ai_socktype, AI->ai_protocol)) < 0) {
26ac0430	140	perror("socket");
b1c8a478 A	141	s = -1;
b1c8a478 A	142	} else if (connect(s, AI->ai_addr, AI->ai_addrlen) < 0) {
26ac0430 AJ	143	close(s);
26ac0430 AJ	144	perror("connect");
27bc2077	145	s = -1;
eb5f55b3	146	}
cc192b50	147
27bc2077	148	freeaddrinfo(AI);
eb5f55b3	149	return s;
	150	}
	151
	152	int
14ff08f1	153	send_request(int fd, const char *data)
eb5f55b3	154	{
468ae12b	155	char msg[4096], buf[4096];
eb5f55b3	156	int len;
	157	time_t w;
	158	struct _r *r;
	159	struct _r **R;
14ff08f1	160	char method, url, file, size, *checksum;
	161	char *tmp = strdup(data);
	162	struct stat st;
	163	int file_fd = -1;
468ae12b	164	method = strtok(tmp, " ");
	165	url = strtok(NULL, " ");
	166	file = strtok(NULL, " ");
	167	size = strtok(NULL, " ");
	168	checksum = strtok(NULL, " ");
14ff08f1	169	if (!url) {
26ac0430 AJ	170	url = method;
26ac0430 AJ	171	method = "GET";
14ff08f1	172	}
468ae12b	173	if (file && strcmp(file, "-") == 0)
26ac0430	174	file = NULL;
468ae12b	175	if (size && strcmp(size, "-") == 0)
26ac0430	176	size = NULL;
468ae12b	177	if (checksum && strcmp(checksum, "-") == 0)
26ac0430	178	checksum = NULL;
14ff08f1	179	msg[0] = '\0';
14ff08f1	180	sprintf(buf, "%s %s HTTP/1.0\r\n", method, url);
468ae12b	181	strcat(msg, buf);
14ff08f1	182	strcat(msg, "Accept: /\r\n");
14ff08f1	183	strcat(msg, "Proxy-Connection: Keep-Alive\r\n");
eb5f55b3	184	if (opt_ims && (lrand48() & 0x03) == 0) {
26ac0430 AJ	185	w = time(NULL) - (lrand48() & 0x3FFFF);
	186	sprintf(buf, "If-Modified-Since: %s\r\n", mkrfc850(&w));
	187	strcat(msg, buf);
eb5f55b3	188	}
14ff08f1	189	if (file) {
26ac0430 AJ	190	if ((file_fd = open(file, O_RDONLY)) < 0) {
	191	perror("open");
	192	return -1;
	193	}
	194	if (fstat(file_fd, &st)) {
	195	perror("fstat");
	196	close(file_fd);
	197	return -1;
	198	}
	199	sprintf(buf, "Content-length: %d\r\n", st.st_size);
	200	strcat(msg, buf);
14ff08f1	201	}
	202	strcat(msg, "\r\n");
	203	len = strlen(msg);
	204	if (write(fd, msg, len) < 0) {
26ac0430 AJ	205	close(fd);
	206	perror("request write");
	207	close(file_fd);
	208	return -1;
eb5f55b3	209	}
14ff08f1	210	if (file) {
26ac0430 AJ	211	while ((len = read(file_fd, buf, sizeof buf)) > 0) {
	212	if (write(fd, buf, len) < 0) {
	213	close(fd);
	214	perror("body write");
	215	close(file_fd);
	216	return -1;
	217	}
	218	}
	219	if (len < 0) {
	220	perror("file read");
	221	close(file_fd);
	222	return -1;
	223	}
	224	close(file_fd);
14ff08f1	225	}
eb5f55b3	226	r = calloc(1, sizeof(struct _r));
14ff08f1	227	strcpy(r->url, url);
14ff08f1	228	if (size)
26ac0430	229	r->validsize = atoi(size);
14ff08f1	230	else
26ac0430	231	r->validsize = -1;
14ff08f1	232	if (checksum)
26ac0430	233	r->validsum = atoi(checksum);
eb5f55b3	234	for (R = &Requests; R; R = &(R)->next);
eb5f55b3	235	*R = r;
26ac0430	236	/* fprintf(stderr, "REQUESTED %s\n", url); */
eb5f55b3	237	noutstanding++;
	238	return 0;
	239	}
	240
	241	static int
	242	get_header_int_value(const char hdr, const char buf, const char *end)
	243	{
	244	const char *t;
	245	for (t = buf; t < end; t += strcspn(t, crlf), t += strspn(t, crlf)) {
26ac0430 AJ	246	if (strncasecmp(t, hdr, strlen(hdr)) == 0) {
	247	t += strlen(hdr);
	248	while (xisspace(*t))
	249	t++;
	250	return atoi(t);
	251	}
eb5f55b3	252	}
14ff08f1	253	return -1;
eb5f55b3	254	}
eb5f55b3	255
14ff08f1	256	static const char *
	257	get_header_string_value(const char hdr, const char buf, const char *end)
	258	{
	259	const char *t;
	260	static char result[8192];
	261	for (t = buf; t < end; t += strcspn(t, crlf), t += strspn(t, crlf)) {
26ac0430 AJ	262	if (strncasecmp(t, hdr, strlen(hdr)) == 0) {
	263	t += strlen(hdr);
	264	while (xisspace(*t))
	265	t++;
	266	strcpy(result, "");
	267	strncat(result, t, strcspn(t, crlf));
	268	return result;
	269	}
14ff08f1	270	}
	271	return NULL;
	272	}
	273
	274	void
	275	request_done(struct _r *r)
	276	{
	277	#if 0
	278	fprintf(stderr, "DONE: %s, (%d+%d)\n",
26ac0430 AJ	279	r->url,
	280	r->hdr_length,
	281	r->content_length);
14ff08f1	282	#endif
14ff08f1	283	if (r->content_length != r->bytes_read)
26ac0430 AJ	284	fprintf(stderr, "ERROR! Short reply, expected %d bytes got %d\n",
26ac0430 AJ	285	r->content_length, r->bytes_read);
14ff08f1	286	else if (r->validsize >= 0) {
26ac0430 AJ	287	if (r->validsize != r->bytes_read)
	288	fprintf(stderr, "WARNING: %s Object size mismatch, expected %d got %d\n",
	289	r->url, r->validsize, r->bytes_read);
	290	else if (opt_checksum && r->sum != r->validsum)
	291	fprintf(stderr, "WARNING: %s Checksum error. Expected %d got %d\n",
	292	r->url, r->validsum, r->sum);
14ff08f1	293	}
14ff08f1	294	}
eb5f55b3	295	int
14ff08f1	296	handle_read(char *inbuf, int len)
eb5f55b3	297	{
	298	struct _r *r = Requests;
	299	const char *end;
14ff08f1	300	const char *url;
14ff08f1	301	static char buf[READ_BUF_SZ];
468ae12b	302	int hlen, blen;
468ae12b	303	if (len < 0) {
26ac0430 AJ	304	perror("read");
	305	Requests = r->next;
	306	request_done(r);
	307	free(r);
	308	noutstanding--;
	309	if (trace_fd >= 0)
	310	write(trace_fd, "\n[CLOSED]\n", 10);
	311	return -1;
eb5f55b3	312	}
14ff08f1	313	total_bytes_read += len;
41d00cd3	314	memcpy(buf, inbuf, len);
eb5f55b3	315	if (len == 0) {
26ac0430 AJ	316	fprintf(stderr, "WARNING: %s, server closed socket after %d+%d bytes\n", r->url, r->hdr_offset, r->bytes_read);
	317	/* XXX, If no data was received and it isn't the first request on this
	318	* connection then the request should be restarted rather than aborted
	319	* but this is a simple test program an not a full blown HTTP client.
	320	*/
	321	request_done(r);
	322	Requests = r->next;
	323	free(r);
	324	noutstanding--;
	325	return -1;
eb5f55b3	326	}
14ff08f1	327	if (trace_fd > 0)
26ac0430	328	write(trace_fd, buf, len);
14ff08f1	329	while (len > 0) {
26ac0430 AJ	330	/* Build headers */
	331	if (r->hdr_length == 0) {
	332	hlen = min(len, REPLY_HDR_SZ - r->hdr_offset - 1);
41d00cd3	333	memcpy(r->reply_hdrs + r->hdr_offset, buf, hlen);
26ac0430 AJ	334	r->hdr_offset += hlen;
	335	r->reply_hdrs[r->hdr_offset] = '\0';
	336	len -= hlen;
	337	/* Save any remaining read data */
41d00cd3	338	memmove(buf, buf + hlen, len);
26ac0430 AJ	339	}
	340	/* Process headers */
	341	if (r->hdr_length == 0 && (end = mime_headers_end(r->reply_hdrs)) != NULL) {
14ff08f1	342	#if 0
26ac0430 AJ	343	fprintf(stderr, "FOUND EOH FOR %s\n", r->url);
26ac0430 AJ	344	*/
14ff08f1	345	#endif
26ac0430	346	r->hdr_length = end - r->reply_hdrs;
14ff08f1	347	#if 0
26ac0430	348	fprintf(stderr, "HDR_LENGTH = %d\n", r->hdr_length);
14ff08f1	349	#endif
26ac0430 AJ	350	/* "unread" any body contents received */
	351	blen = r->hdr_offset - r->hdr_length;
	352	assert(blen >= 0);
	353	if (blen > 0) {
41d00cd3 AJ	354	memmove(buf + blen, buf, len);
41d00cd3 AJ	355	memcpy(buf, r->reply_hdrs + r->hdr_length, blen);
26ac0430 AJ	356	len += blen;
	357	}
	358	r->reply_hdrs[r->hdr_length] = '\0'; /* Null terminate headers */
	359	/* Parse headers */
	360	r->content_length = get_header_int_value("content-length:", r->reply_hdrs, end);
	361	/* fprintf(stderr, "CONTENT_LENGTH = %d\n", r->content_length); */
	362	url = get_header_string_value("X-Request-URI:", r->reply_hdrs, end);
	363	if (url != NULL && strcmp(r->url, url) != 0)
	364	fprintf(stderr, "WARNING: %s got reply %s\n", r->url, url);
14ff08f1	365	#if XREQUESTURI \|\| 0
26ac0430	366	fprintf(stderr, "LOCATION = %s\n", get_header_string_value("X-Request-URI:", r->reply_hdrs, end));
14ff08f1	367	#endif
26ac0430 AJ	368	}
	369	if (!(len == 0 \|\| r->hdr_length > 0)) {
	370	fprintf(stderr, "ERROR!!!\n");
	371	assert((len == 0 \|\| r->hdr_length > 0));
	372	}
	373	/* Process body */
	374	if (r->hdr_length != 0) {
	375	int i;
	376	int bytes_left, bytes_used;
	377	if (r->content_length >= 0) {
	378	bytes_left = r->content_length - r->bytes_read;
	379	assert(bytes_left >= 0);
	380	bytes_used = len < bytes_left ? len : bytes_left;
	381	} else {
	382	bytes_left = len + 1; /* Unknown end... */
	383	bytes_used = len;
	384	}
	385	if (opt_checksum) {
	386	for (i = 0; i < bytes_used; i++)
	387	r->sum += (int) buf[i] & 0xFF;
	388	}
	389	r->bytes_read += bytes_used;
	390	len -= bytes_used;
	391	if (bytes_left == bytes_used) {
	392	request_done(r);
	393	Requests = r->next;
	394	free(r);
	395	noutstanding--;
	396	r = Requests;
	397	} else if (r->content_length > -1) {
	398	assert(r->bytes_read < r->content_length);
	399	}
41d00cd3	400	memmove(buf, buf + bytes_used, len);
26ac0430	401	}
eb5f55b3	402	}
	403	return 0;
	404	}
	405
	406	int
	407	read_reply(int fd)
	408	{
	409	static char buf[READ_BUF_SZ];
	410	int len;
	411	int x;
	412	len = read(fd, buf, READ_BUF_SZ);
	413	x = handle_read(buf, len);
14ff08f1	414	if (x < 0) {
26ac0430 AJ	415	perror("read reply");
26ac0430 AJ	416	close(fd);
14ff08f1	417	}
eb5f55b3	418	return x;
	419	}
	420
	421	void
	422	main_loop(void)
	423	{
	424	static int pconn_fd = -1;
	425	static char buf[8192];
	426	struct timeval to;
468ae12b	427	struct timeval now, last, start;
eb5f55b3	428	fd_set R;
	429	struct _r *r;
	430	struct _r *nextr;
	431	int x;
e3fc4f10	432	int timeouts;
14ff08f1	433	int nrequests = 0, rrequests = 0, reqpersec = 0;
	434
	435	gettimeofday(&start, NULL);
	436	last = start;
	437
	438	pconn_fd = open_http_socket();
	439	if (pconn_fd < 0) {
26ac0430 AJ	440	perror("socket");
26ac0430 AJ	441	exit(1);
14ff08f1	442	}
eb5f55b3	443	while (!done_reading_urls \|\| noutstanding) {
26ac0430 AJ	444	if (!opt_reopen && pconn_fd < 0) {
	445	fprintf(stderr, "TERMINATED: Connection closed\n");
	446	break;
	447	}
	448	if (pconn_fd < 0) {
	449	pconn_fd = open_http_socket();
	450	if (pconn_fd < 0) {
	451	perror("socket");
	452	exit(1);
	453	}
	454	nextr = Requests;
	455	Requests = NULL;
	456	noutstanding = 0;
	457	while ((r = nextr) != NULL) {
	458	nextr = r->next;
	459	if (send_request(pconn_fd, r->url) != 0) {
	460	close(pconn_fd);
	461	pconn_fd = -1;
	462	nextr = r;
	463	for (r = Requests; r != NULL && r->next; r = r->next);
	464	if (r != NULL)
	465	r->next = nextr;
	466	else
	467	Requests = nextr;
	468	break;
	469	}
	470	free(r);
	471	}
	472	timeouts = 0;
	473	if (pconn_fd < 0)
	474	continue;
	475	}
	476	if (timeouts == 200) {
	477	close(pconn_fd);
	478	pconn_fd = -1;
	479	r = Requests;
	480	Requests = Requests->next;
	481	fprintf(stderr, "ABORT %s\n", Requests->url);
	482	free(r);
	483	noutstanding--;
	484	}
	485	if (pconn_fd >= 0 && noutstanding < max_outstanding && !done_reading_urls) {
	486	char *t;
	487	if (fgets(buf, 8191, stdin) == NULL) {
	488	fprintf(stderr, "Done Reading URLS\n");
	489	done_reading_urls = 1;
	490	continue;
	491	}
	492	rrequests++;
	493	if ((t = strchr(buf, '\n')))
	494	*t = '\0';
	495	if (send_request(pconn_fd, buf) != 0) {
	496	close(pconn_fd);
	497	pconn_fd = -1;
	498	continue;
	499	}
	500	nrequests++;
	501	reqpersec++;
	502	timeouts = 0;
	503	}
	504	FD_ZERO(&R);
	505	to.tv_sec = 1;
	506	to.tv_usec = 0;
	507	FD_SET(pconn_fd, &R);
508	x = select(pconn_fd + 1, &R, NULL, NULL, &to);
509	if (x < 0) {
510	if (errno != EINTR)
511	perror("select");
512	continue;
513	} else if (x == 0) {
514	assert(Requests != NULL);
515	fprintf(stderr, "TIMEOUT %s; %d, %d\n", Requests->url,
516	++timeouts, noutstanding);
517	continue;
518	}
519	if (FD_ISSET(pconn_fd, &R)) {
520	timeouts = 0;
521	if (read_reply(pconn_fd) != 0)
522	pconn_fd = -1;
523	}
524	gettimeofday(&now, NULL);
525	if (now.tv_sec > last.tv_sec) {
526	int dt;
527	int nreq;
528	last = now;
529	dt = (int) (now.tv_sec - start.tv_sec);
530	nreq = 0;
531	for (r = Requests; r; r = r->next)
532	nreq++;
533	printf("T+ %6d: %9d req (%+4d), %4d pend, %3d/sec avg, %dmb, %dkb/sec avg\n",
534	dt,
535	nrequests,
536	reqpersec,
537	nreq,
538	(int) (nrequests / dt),
539	(int) total_bytes_read / 1024 / 1024,
540	(int) total_bytes_read / 1024 / dt);
541	reqpersec = 0;
542	}
eb5f55b3	543	}
	544	}
	545
	546	void
	547	usage(void)
	548	{
14ff08f1	549	fprintf(stderr, "usage: %s: -p port -h host -n max -t tracefile -i -c -l lifetime\n", progname);
eb5f55b3	550	}
	551
	552	int
	553	main(argc, argv)
26ac0430 AJ	554	int argc;
26ac0430 AJ	555	char *argv[];
eb5f55b3	556	{
	557	int c;
	558	setbuf(stdout, NULL);
	559	setbuf(stderr, NULL);
	560	progname = strdup(argv[0]);
14ff08f1	561	while ((c = getopt(argc, argv, "p:h:n:t:icl:r")) != -1) {
26ac0430 AJ	562	switch (c) {
	563	case 'p':
	564	proxy_port = atoi(optarg);
	565	break;
	566	case 'h':
	567	proxy_addr = strdup(optarg);
	568	break;
	569	case 'n':
	570	max_outstanding = atoi(optarg);
	571	break;
	572	case 'i':
	573	opt_ims = 1;
	574	break;
	575	case 'c':
	576	opt_checksum = 1;
	577	break;
	578	case 'l':
	579	lifetime = (time_t) atoi(optarg);
	580	break;
	581	case 't':
	582	trace_fd = open(optarg, O_WRONLY \| O_CREAT \| O_TRUNC, 0666);
	583	break;
	584	case 'r':
	585	opt_reopen = !opt_reopen;
	586	break;
	587	default:
	588	usage();
	589	return 1;
	590	}
eb5f55b3	591	}
eb5f55b3	592	signal(SIGINT, sig_intr);
5616e319	593	signal(SIGPIPE, SIG_IGN);
eb5f55b3	594	main_loop();
	595	return 0;
	596	}