int parse_headers(struct request *req, char *start, size_t len, struct pl *body)
{
int br=0;
size_t *ct;
enum http_hdr_id id;
char *p = start;
struct pl header, hval;
header.p = start;
header.l = 0;
hval.p = NULL;
hval.l = -2;
ct = &header.l;
while(len) {
switch(*p) {
case '\n':
case '\r':
br++;
break;
case ':':
if(ct == &header.l) {
ct = &hval.l;
hval.p = p+2;
}
default:
br = 0;
}
if(br) {
if(header.l) {
id = (enum http_hdr_id)hash_joaat_ci(header.p, header.l) & 0xFFF;
hdr_add(req, id, &header, &hval);
}
header.p = p+1;
header.l = -1;
hval.l = -2;
ct = &header.l;
hval.p = NULL;
}
p++;
(*ct)++;
len--;
if(br>3) {
body->p = p;
body->l = len;
}
}
return 0;
}
static char* decode_v0_log()
{
const char* v1_log = "jHiccup-2.0.1.logV0.hlog";
FILE* f = fopen(v1_log, "r");
mu_assert("Can not open v1 log file", f != NULL);
struct hdr_histogram* accum;
hdr_init(1, INT64_C(3600000000000), 3, &accum);
struct hdr_histogram* h = NULL;
struct hdr_log_reader reader;
hdr_timespec timestamp;
hdr_timespec interval;
hdr_log_reader_init(&reader);
int rc = hdr_log_read_header(&reader, f);
mu_assert("Failed to read header", rc == 0);
int histogram_count = 0;
int64_t total_count = 0;
while ((rc = hdr_log_read(&reader, f, &h, ×tamp, &interval)) != EOF)
{
mu_assert("Failed to read histogram", rc == 0);
histogram_count++;
total_count += h->total_count;
int64_t dropped = hdr_add(accum, h);
mu_assert("Dropped events", compare_int64(dropped, 0));
free(h);
h = NULL;
}
mu_assert("Wrong number of histograms", compare_int(histogram_count, 81));
mu_assert("Wrong total count", compare_int64(total_count, 61256));
mu_assert("99.9 percentile wrong", compare_int64(1510998015, hdr_value_at_percentile(accum, 99.9)));
mu_assert("max value wrong", compare_int64(1569718271, hdr_max(accum)));
mu_assert("Seconds wrong", compare_int64(1438869961, reader.start_timestamp.tv_sec));
mu_assert("Nanoseconds wrong", compare_int64(225000000, reader.start_timestamp.tv_nsec));
return 0;
}
static char* decode_v3_log()
{
const char* v3_log = "jHiccup-2.0.7S.logV3.hlog";
FILE* f = fopen(v3_log, "r");
mu_assert("Can not open v3 log file", f != NULL);
struct hdr_histogram* accum;
hdr_init(1, INT64_C(3600000000000), 3, &accum);
struct hdr_histogram* h = NULL;
struct hdr_log_reader reader;
hdr_timespec timestamp;
hdr_timespec interval;
hdr_log_reader_init(&reader);
int rc = hdr_log_read_header(&reader, f);
mu_assert("Failed to read header", validate_return_code(rc));
int histogram_count = 0;
int64_t total_count = 0;
while ((rc = hdr_log_read(&reader, f, &h, ×tamp, &interval)) != EOF)
{
mu_assert("Failed to read histogram", validate_return_code(rc));
histogram_count++;
total_count += h->total_count;
int64_t dropped = hdr_add(accum, h);
mu_assert("Dropped events", compare_int64(dropped, 0));
free(h);
h = NULL;
}
mu_assert("Wrong number of histograms", compare_int(histogram_count, 62));
mu_assert("Wrong total count", compare_int64(total_count, 48761));
mu_assert("99.9 percentile wrong", compare_int64(1745879039, hdr_value_at_percentile(accum, 99.9)));
mu_assert("max value wrong", compare_int64(1796210687, hdr_max(accum)));
mu_assert("Seconds wrong", compare_int64(1441812279, reader.start_timestamp.tv_sec));
mu_assert("Nanoseconds wrong", compare_int64(474000000, reader.start_timestamp.tv_nsec));
return 0;
}
ERL_NIF_TERM _hh_add(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
hh_ctx_t* ctx = NULL;
hh_ctx_t* from = NULL;
ErlNifResourceType* ctx_type = get_hh_ctx_type(env);
if (argc != 2 ||
ctx_type == NULL ||
!enif_get_resource(env, argv[0], ctx_type, (void **)&ctx) ||
!enif_get_resource(env, argv[1], ctx_type, (void **)&from))
{
return enif_make_badarg(env);
}
if (ctx != NULL)
{
return enif_make_long(env, hdr_add(ctx->data, from->data));
}
return make_error(env, "bad_hdr_histogram_nif_impl");
}
static int http_connect(HTTPContext *s, const char *path, const char *hoststr, int flags, int wait)
{
int post, err, ch;
char line[512], *q;
hdr_clear(s);
/* send http header */
post = flags & O_WRONLY;
s->len = 0;
s->tread = 0;
s->bpos = 0; s->bsz = 0;
snprintf(line, sizeof(line),
"%s %s HTTP/1.0\r\n"
"User-Agent: %s\r\n"
"Host: %s\r\n"
"Accept: */*\r\n"
"Connection: keep-alive\r\n"
"\r\n",
post ? "POST" : "GET",
path,
//"Wget/1.9",
"dcplaya_net",
hoststr);
if (http_write((uint32) s, line, strlen(line)) < 0)
return -1;
#ifdef DEBUG
printf("http : sent header -->\n%s", line);
#endif
/* init input buffer */
s->line_count = 0;
//s->location[0] = '\0';
if (post) {
//sleep(1);
return 0;
}
/* wait for header */
q = line;
if (wait)
thd_sleep(wait);
for(;;) {
ch = http_getc((uint32) s);
#ifdef DEBUG
//printf("%c", ch);
#endif
if (ch < 0) {
printf("http header truncated\n");
return 0;
}
if (ch == '\n') {
/* process line */
if (q > line && q[-1] == '\r')
q--;
*q = '\0';
#ifdef DEBUG
printf("header='%s'\n", line);
#endif
if (line[0])
hdr_add(s, line);
err = process_line(s, line, s->line_count);
if (err < 0)
return err;
if (err == 0)
return 0;
//return s->len? 0 : -1;
s->line_count++;
q = line;
} else {
if ((q - line) < sizeof(line) - 1)
*q++ = ch;
}
}
}
static int hdr_decode_compressed_v2(
_compression_flyweight* compression_flyweight,
size_t length,
struct hdr_histogram** histogram)
{
struct hdr_histogram* h = NULL;
int result = 0;
uint8_t* counts_array = NULL;
_encoding_flyweight_v1 encoding_flyweight;
z_stream strm;
strm_init(&strm);
if (inflateInit(&strm) != Z_OK)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
int32_t compressed_length = be32toh(compression_flyweight->length);
if (compressed_length < 0 || length - sizeof(_compression_flyweight) < (size_t)compressed_length)
{
FAIL_AND_CLEANUP(cleanup, result, EINVAL);
}
strm.next_in = compression_flyweight->data;
strm.avail_in = (uInt) compressed_length;
strm.next_out = (uint8_t *) &encoding_flyweight;
strm.avail_out = sizeof(_encoding_flyweight_v1);
if (inflate(&strm, Z_SYNC_FLUSH) != Z_OK)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
int32_t encoding_cookie = get_cookie_base(be32toh(encoding_flyweight.cookie));
if (V2_ENCODING_COOKIE != encoding_cookie)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_ENCODING_COOKIE_MISMATCH);
}
int32_t counts_limit = be32toh(encoding_flyweight.payload_len);
int64_t lowest_trackable_value = be64toh(encoding_flyweight.lowest_trackable_value);
int64_t highest_trackable_value = be64toh(encoding_flyweight.highest_trackable_value);
int32_t significant_figures = be32toh(encoding_flyweight.significant_figures);
if (hdr_init(
lowest_trackable_value,
highest_trackable_value,
significant_figures,
&h) != 0)
{
FAIL_AND_CLEANUP(cleanup, result, ENOMEM);
}
// Make sure there at least 9 bytes to read
// if there is a corrupt value at the end
// of the array we won't read corrupt data or crash.
if ((counts_array = calloc(1, (size_t) counts_limit + 9)) == NULL)
{
FAIL_AND_CLEANUP(cleanup, result, ENOMEM);
}
strm.next_out = counts_array;
strm.avail_out = (uInt) counts_limit;
if (inflate(&strm, Z_FINISH) != Z_STREAM_END)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
int r = _apply_to_counts_zz(h, counts_array, counts_limit);
if (0 != r)
{
FAIL_AND_CLEANUP(cleanup, result, r);
}
h->normalizing_index_offset = be32toh(encoding_flyweight.normalizing_index_offset);
h->conversion_ratio = int64_bits_to_double(be64toh(encoding_flyweight.conversion_ratio_bits));
hdr_reset_internal_counters(h);
cleanup:
(void)inflateEnd(&strm);
free(counts_array);
if (result != 0)
{
free(h);
}
else if (NULL == *histogram)
{
*histogram = h;
}
else
{
hdr_add(*histogram, h);
free(h);
}
return result;
}
static int hdr_decode_compressed_v0(
_compression_flyweight* compression_flyweight,
size_t length,
struct hdr_histogram** histogram)
{
struct hdr_histogram* h = NULL;
int result = 0;
uint8_t* counts_array = NULL;
_encoding_flyweight_v0 encoding_flyweight;
z_stream strm;
strm_init(&strm);
if (inflateInit(&strm) != Z_OK)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
int32_t compressed_length = be32toh(compression_flyweight->length);
if (compressed_length < 0 || length - sizeof(_compression_flyweight) < (size_t)compressed_length)
{
FAIL_AND_CLEANUP(cleanup, result, EINVAL);
}
strm.next_in = compression_flyweight->data;
strm.avail_in = (uInt) compressed_length;
strm.next_out = (uint8_t *) &encoding_flyweight;
strm.avail_out = sizeof(_encoding_flyweight_v0);
if (inflate(&strm, Z_SYNC_FLUSH) != Z_OK)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
int32_t encoding_cookie = get_cookie_base(be32toh(encoding_flyweight.cookie));
if (V0_ENCODING_COOKIE != encoding_cookie)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_ENCODING_COOKIE_MISMATCH);
}
int32_t word_size = word_size_from_cookie(be32toh(encoding_flyweight.cookie));
int64_t lowest_trackable_value = be64toh(encoding_flyweight.lowest_trackable_value);
int64_t highest_trackable_value = be64toh(encoding_flyweight.highest_trackable_value);
int32_t significant_figures = be32toh(encoding_flyweight.significant_figures);
if (hdr_init(
lowest_trackable_value,
highest_trackable_value,
significant_figures,
&h) != 0)
{
FAIL_AND_CLEANUP(cleanup, result, ENOMEM);
}
int32_t counts_array_len = h->counts_len * word_size;
if ((counts_array = calloc(1, (size_t) counts_array_len)) == NULL)
{
FAIL_AND_CLEANUP(cleanup, result, ENOMEM);
}
strm.next_out = counts_array;
strm.avail_out = (uInt) counts_array_len;
if (inflate(&strm, Z_FINISH) != Z_STREAM_END)
{
FAIL_AND_CLEANUP(cleanup, result, HDR_INFLATE_FAIL);
}
_apply_to_counts(h, word_size, counts_array, h->counts_len);
hdr_reset_internal_counters(h);
h->normalizing_index_offset = 0;
h->conversion_ratio = 1.0;
cleanup:
(void)inflateEnd(&strm);
free(counts_array);
if (result != 0)
{
free(h);
}
else if (NULL == *histogram)
{
*histogram = h;
}
else
{
hdr_add(*histogram, h);
free(h);
}
return result;
}
void add(hdr_histogram* to) {
int inactive_index = active_index_.exchange(!active_index_.load());
hdr_histogram* from = histograms_[inactive_index];
phaser_.flip_phase();
hdr_add(to, from);
}
void add(hdr_histogram* to) {
hdr_add(to, histogram_);
}
/**
* Decode a SIP message
*
* @param msgp Pointer to allocated SIP Message
* @param mb Buffer containing SIP Message
*
* @return 0 if success, otherwise errorcode
*/
int sip_msg_decode(struct sip_msg **msgp, struct mbuf *mb)
{
struct pl x, y, z, e, name;
const char *p, *v, *cv;
struct sip_msg *msg;
bool comsep, quote;
enum sip_hdrid id = SIP_HDR_NONE;
uint32_t ws, lf;
size_t l;
int err;
if (!msgp || !mb)
return EINVAL;
p = (const char *)mbuf_buf(mb);
l = mbuf_get_left(mb);
if (re_regex(p, l, "[^ \t\r\n]+ [^ \t\r\n]+ [^\r\n]*[\r]*[\n]1",
&x, &y, &z, NULL, &e) || x.p != (char *)mbuf_buf(mb))
return (l > STARTLINE_MAX) ? EBADMSG : ENODATA;
msg = mem_zalloc(sizeof(*msg), destructor);
if (!msg)
return ENOMEM;
err = hash_alloc(&msg->hdrht, HDR_HASH_SIZE);
if (err)
goto out;
msg->tag = rand_u64();
msg->mb = mem_ref(mb);
msg->req = (0 == pl_strcmp(&z, "SIP/2.0"));
if (msg->req) {
msg->met = x;
msg->ruri = y;
msg->ver = z;
if (uri_decode(&msg->uri, &y)) {
err = EBADMSG;
goto out;
}
}
else {
msg->ver = x;
msg->scode = pl_u32(&y);
msg->reason = z;
if (!msg->scode) {
err = EBADMSG;
goto out;
}
}
l -= e.p + e.l - p;
p = e.p + e.l;
name.p = v = cv = NULL;
name.l = ws = lf = 0;
comsep = false;
quote = false;
for (; l > 0; p++, l--) {
switch (*p) {
case ' ':
case '\t':
lf = 0; /* folding */
++ws;
break;
case '\r':
++ws;
break;
case '\n':
++ws;
if (!lf++)
break;
++p; --l; /* eoh */
/*@fallthrough@*/
default:
if (lf || (*p == ',' && comsep && !quote)) {
if (!name.l) {
err = EBADMSG;
goto out;
}
err = hdr_add(msg, &name, id, cv ? cv : p,
cv ? p - cv - ws : 0,
true, cv == v && lf);
if (err)
goto out;
if (!lf) { /* comma separated */
cv = NULL;
break;
}
if (cv != v) {
err = hdr_add(msg, &name, id,
v ? v : p,
v ? p - v - ws : 0,
false, true);
if (err)
goto out;
}
if (lf > 1) { /* eoh */
err = 0;
goto out;
}
comsep = false;
name.p = NULL;
cv = v = NULL;
lf = 0;
}
if (!name.p) {
name.p = p;
name.l = 0;
ws = 0;
}
if (!name.l) {
if (*p != ':') {
ws = 0;
break;
}
name.l = MAX((int)(p - name.p - ws), 0);
if (!name.l) {
err = EBADMSG;
goto out;
}
id = hdr_hash(&name);
comsep = hdr_comma_separated(id);
break;
}
if (!cv) {
quote = false;
cv = p;
}
if (!v) {
v = p;
}
if (*p == '"')
quote = !quote;
ws = 0;
break;
}
}
err = ENODATA;
out:
if (err)
mem_deref(msg);
else {
*msgp = msg;
mb->pos = mb->end - l;
}
return err;
}
/**
* Decode a HTTP message
*
* @param msgp Pointer to allocated HTTP Message
* @param mb Buffer containing HTTP Message
* @param req True for request, false for response
*
* @return 0 if success, otherwise errorcode
*/
int http_msg_decode(struct http_msg **msgp, struct mbuf *mb, bool req)
{
struct pl b, s, e, name, scode;
const char *p, *cv;
struct http_msg *msg;
bool comsep, quote;
enum http_hdrid id = HTTP_HDR_NONE;
uint32_t ws, lf;
size_t l;
int err;
if (!msgp || !mb)
return EINVAL;
p = (const char *)mbuf_buf(mb);
l = mbuf_get_left(mb);
if (re_regex(p, l, "[\r\n]*[^\r\n]+[\r]*[\n]1", &b, &s, NULL, &e))
return (l > STARTLINE_MAX) ? EBADMSG : ENODATA;
msg = mem_zalloc(sizeof(*msg), destructor);
if (!msg)
return ENOMEM;
msg->mb = mem_ref(mb);
if (req) {
if (re_regex(s.p, s.l, "[a-z]+ [^? ]+[^ ]* HTTP/[0-9.]+",
&msg->met, &msg->path, &msg->prm, &msg->ver) ||
msg->met.p != s.p) {
err = EBADMSG;
goto out;
}
}
else {
if (re_regex(s.p, s.l, "HTTP/[0-9.]+ [0-9]+ [^]*",
&msg->ver, &scode, &msg->reason) ||
msg->ver.p != s.p + 5) {
err = EBADMSG;
goto out;
}
msg->scode = pl_u32(&scode);
}
l -= e.p + e.l - p;
p = e.p + e.l;
name.p = cv = NULL;
name.l = ws = lf = 0;
comsep = false;
quote = false;
for (; l > 0; p++, l--) {
switch (*p) {
case ' ':
case '\t':
lf = 0; /* folding */
++ws;
break;
case '\r':
++ws;
break;
case '\n':
++ws;
if (!name.p) {
++p; --l; /* no headers */
err = 0;
goto out;
}
if (!lf++)
break;
++p; --l; /* eoh */
/*@fallthrough@*/
default:
if (lf || (*p == ',' && comsep && !quote)) {
if (!name.l) {
err = EBADMSG;
goto out;
}
err = hdr_add(msg, &name, id, cv ? cv : p,
cv ? p - cv - ws : 0);
if (err)
goto out;
if (!lf) { /* comma separated */
cv = NULL;
break;
}
if (lf > 1) { /* eoh */
err = 0;
goto out;
}
comsep = false;
name.p = NULL;
cv = NULL;
lf = 0;
}
if (!name.p) {
name.p = p;
name.l = 0;
ws = 0;
}
if (!name.l) {
if (*p != ':') {
ws = 0;
break;
}
name.l = MAX((int)(p - name.p - ws), 0);
if (!name.l) {
err = EBADMSG;
goto out;
}
id = hdr_hash(&name);
comsep = hdr_comma_separated(id);
break;
}
if (!cv) {
quote = false;
cv = p;
}
if (*p == '"')
quote = !quote;
ws = 0;
break;
}
}
err = ENODATA;
out:
if (err)
mem_deref(msg);
else {
*msgp = msg;
mb->pos = mb->end - l;
}
return err;
}
