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nginx-0.0.1-2003-03-05-09:37:42 import

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This commit is contained in:
Igor Sysoev 2003-03-05 06:37:42 +00:00
parent 6a644c694d
commit 3d062ad939
6 changed files with 188 additions and 105 deletions
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1
src/core/ngx_connection.h
View File

@ -52,6 +52,7 @@ struct ngx_connection_s {
int number;
unsigned pipeline:1;
unsigned unexpected_eof:1;
};

1
src/event/ngx_event.h
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@ -56,6 +56,7 @@ struct ngx_event_s {
/* otherwise: */
/* accept: 1 if accept many, 0 otherwise */
unsigned level:1;
unsigned oneshot:1;
#if 0

15
src/http/modules/ngx_http_log_handler.c
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@ -22,11 +22,12 @@ int ngx_http_log_handler(ngx_http_request_t *r)
ngx_log_debug(r->connection->log, "log handler");
/* 10:%con, 22:%date, 2:%"%r", 3:%status, 20:%bytes, 5*" ", 2/1: "\r\n" */
/* 10:%con, 1:%pipe, 22:%date, 2:"%r", 3:%status, 20:%bytes,
6*" ", 2/1: "\r\n" */
#if (WIN32)
len = 10 + 22 + 2 + 3 + 20 + 5 + 2;
len = 10 + 1 + 22 + 2 + 3 + 20 + 6 + 2;
#else
len = 10 + 22 + 2 + 3 + 20 + 5 + 1;
len = 10 + 1 + 22 + 2 + 3 + 20 + 6 + 1;
#endif
len += r->connection->addr_text.len;
@ -44,6 +45,14 @@ int ngx_http_log_handler(ngx_http_request_t *r)
*p++ = ' ';
if (r->pipeline) {
*p++ = 'p';
} else {
*p++ = '.';
}
*p++ = ' ';
ngx_localtime(&tm);
*p++ = '[';

2
src/http/ngx_http.h
View File

@ -155,6 +155,7 @@ struct ngx_http_request_s {
ngx_str_t path;
int path_err;
unsigned pipeline:1;
unsigned keepalive:1;
unsigned lingering_close:1;
@ -176,6 +177,7 @@ struct ngx_http_request_s {
char *uri_end;
char *uri_ext;
char *args_start;
char *request_start;
char *request_end;
char *header_name_start;
char *header_name_end;

260
src/http/ngx_http_event.c
View File

@ -36,6 +36,8 @@ static int ngx_http_set_lingering_close(ngx_http_request_t *r);
static int ngx_http_lingering_close_handler(ngx_event_t *ev);
static int ngx_http_close_connection(ngx_event_t *ev);
static int ngx_http_header_parse_error(ngx_http_request_t *r,
int parse_err, int err);
static size_t ngx_http_log_error(void *data, char *buf, size_t len);
@ -128,6 +130,7 @@ int ngx_http_init_connection(ngx_connection_t *c)
/* select, poll, /dev/poll */
ev->level = 1;
return ngx_add_event(ev, NGX_READ_EVENT, NGX_LEVEL_EVENT);
#endif /* USE_KQUEUE */
@ -160,6 +163,7 @@ static int ngx_http_init_request(ngx_event_t *ev)
r->header_read = 1;
}
r->pipeline = c->pipeline;
r->header_in = c->buffer;
ngx_test_null(r->pool, ngx_create_pool(ngx_http_request_pool_size, ev->log),
@ -186,7 +190,7 @@ static int ngx_http_init_request(ngx_event_t *ev)
static int ngx_http_process_request_header(ngx_event_t *ev)
{
int n, rc, offset;
int n, rc;
ngx_connection_t *c;
ngx_http_request_t *r;
ngx_http_log_ctx_t *ctx;
@ -252,38 +256,6 @@ static int ngx_http_process_request_header(ngx_event_t *ev)
} while (rc == NGX_AGAIN
&& r->header_in->pos.mem < r->header_in->last.mem);
/* if large client header is supported then
we need to compact r->header_in hunk */
if (ngx_http_large_client_header
&& rc == NGX_AGAIN
&& r->header_in->last.mem == r->header_in->end
&& r->header_in->pos.mem == r->header_in->last.mem)
{
offset = r->header_name_start - r->header_in->start;
if (offset == 0) {
ctx = r->connection->log->data;
r->connection->log->handler = NULL;
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"client %s sent too long header line, URL: %s",
ctx->client, ctx->url);
r->connection->log->handler = ngx_http_log_error;
return ngx_http_error(r, NGX_HTTP_BAD_REQUEST);
}
ngx_memcpy(r->header_in->start, r->header_name_start,
r->header_in->last.mem - r->header_name_start);
r->header_name_start = r->header_in->start;
r->header_in->last.mem -= offset;
r->header_in->pos.mem -= offset;
r->header_name_end -= offset;
r->header_start -= offset;
r->header_end -= offset;
}
#if (HAVE_AIO_EVENT) /* aio, iocp */
} while (rc == NGX_AGAIN && ngx_event_flags & NGX_HAVE_AIO_EVENT);
#endif
@ -319,12 +291,46 @@ static int ngx_http_process_request_header(ngx_event_t *ev)
static int ngx_http_process_request_line(ngx_http_request_t *r)
{
int rc;
int rc, offset;
ngx_connection_t *c;
ngx_http_log_ctx_t *ctx;
rc = ngx_read_http_request_line(r);
/* If it's a pipelined request and a request line is not complete
then we need to copy it to the start of r->header_in hunk.
We need to copy it here only if the large client headers are enabled
otherwise a request line had already copied to start
of r->header_in hunk in ngx_http_set_keepalive() */
if (ngx_http_large_client_header
&& rc == NGX_AGAIN
&& r->header_in->last.mem == r->header_in->end)
{
offset = r->request_start - r->header_in->start;
if (offset == 0) {
return ngx_http_header_parse_error(r, NGX_HTTP_PARSE_TOO_LONG_URI,
NGX_HTTP_REQUEST_URI_TOO_LARGE);
}
ngx_memcpy(r->header_in->start, r->request_start,
r->header_in->last.mem - r->request_start);
r->header_in->pos.mem -= offset;
r->header_in->last.mem -= offset;
r->request_start = r->header_in->start;
r->request_end -= offset;
r->uri_start -= offset;
r->uri_end -= offset;
if (r->uri_ext) {
r->uri_ext -= offset;
}
if (r->args_start) {
r->args_start -= offset;
}
}
c = r->connection;
if (rc == NGX_OK) {
@ -338,16 +344,16 @@ static int ngx_http_process_request_line(ngx_http_request_t *r)
/* if large client headers is supported then
we need to copy request line */
r->request_line.len = r->request_end - r->header_in->start;
r->request_line.len = r->request_end - r->request_start;
if (ngx_http_large_client_header) {
ngx_test_null(r->request_line.data,
ngx_palloc(r->pool, r->request_line.len + 1),
ngx_http_close_request(r));
ngx_cpystrn(r->request_line.data, r->header_in->start,
ngx_cpystrn(r->request_line.data, r->request_start,
r->request_line.len + 1);
} else {
r->request_line.data = r->header_in->start;
r->request_line.data = r->request_start;
r->request_line.data[r->request_line.len] = '\0';
}
@ -361,10 +367,16 @@ static int ngx_http_process_request_line(ngx_http_request_t *r)
ngx_cpystrn(r->exten.data, r->uri_ext, r->exten.len + 1);
}
#if 0
ngx_log_debug(r->connection->log, "HTTP: %d, %d, %s %s" _
#if 1
if (r->exten.data == NULL) {
r->exten.data = "";
}
ngx_log_debug(r->connection->log, "HTTP: %d, %d, '%s', '%s'" _
r->method _ r->http_version _
r->uri.data _ r->exten.data);
if (r->exten.data[0] == '\0') {
r->exten.data = NULL;
}
#endif
ctx = r->connection->log->data;
@ -387,34 +399,52 @@ static int ngx_http_process_request_line(ngx_http_request_t *r)
}
if (r->header_in->last.mem == r->header_in->end) {
rc = NGX_HTTP_PARSE_TOO_LONG_URI;
return ngx_http_header_parse_error(r, NGX_HTTP_PARSE_TOO_LONG_URI,
NGX_HTTP_REQUEST_URI_TOO_LARGE);
} else if (rc == NGX_AGAIN) {
return NGX_AGAIN;
}
ctx = r->connection->log->data;
r->connection->log->handler = NULL;
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
header_errors[rc - NGX_HTTP_PARSE_INVALID_METHOD],
ctx->client);
r->connection->log->handler = ngx_http_log_error;
return ngx_http_error(r, (rc == NGX_HTTP_PARSE_TOO_LONG_URI) ?
NGX_HTTP_REQUEST_URI_TOO_LARGE:
NGX_HTTP_BAD_REQUEST);
return ngx_http_header_parse_error(r, rc, NGX_HTTP_BAD_REQUEST);
}
static int ngx_http_process_request_headers(ngx_http_request_t *r)
{
int rc;
int rc, offset;
size_t len;
ngx_http_log_ctx_t *ctx;
for ( ;; ) {
rc = ngx_read_http_header_line(r, r->header_in);
/* if large client header is supported then
we need to compact r->header_in hunk */
if (ngx_http_large_client_header
&& rc == NGX_AGAIN
&& r->header_in->pos.mem == r->header_in->end)
{
offset = r->header_name_start - r->header_in->start;
if (offset == 0) {
return ngx_http_header_parse_error(r,
NGX_HTTP_PARSE_TOO_LONG_HEADER,
NGX_HTTP_BAD_REQUEST);
}
ngx_memcpy(r->header_in->start, r->header_name_start,
r->header_in->last.mem - r->header_name_start);
r->header_in->last.mem -= offset;
r->header_in->pos.mem -= offset;
r->header_name_start = r->header_in->start;
r->header_name_end -= offset;
r->header_start -= offset;
r->header_end -= offset;
}
if (rc == NGX_OK) { /* header line is ready */
if (ngx_http_process_request_header_line(r) == NGX_ERROR) {
return ngx_http_error(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
@ -432,33 +462,27 @@ static int ngx_http_process_request_headers(ngx_http_request_t *r)
}
}
r->headers_in.host_name_len = len;
return NGX_OK;
} else {
if (r->http_version < NGX_HTTP_VERSION_11) {
r->headers_in.host_name_len = 0;
return NGX_OK;
if (r->http_version > NGX_HTTP_VERSION_10) {
return ngx_http_header_parse_error(r,
NGX_HTTP_PARSE_NO_HOST_HEADER,
NGX_HTTP_BAD_REQUEST);
}
r->headers_in.host_name_len = 0;
}
rc = NGX_HTTP_PARSE_NO_HOST_HEADER;
return NGX_OK;
} else if (!ngx_http_large_client_header
&& r->header_in->last.mem == r->header_in->end) {
rc = NGX_HTTP_PARSE_TOO_LONG_HEADER;
return ngx_http_header_parse_error(r,
NGX_HTTP_PARSE_TOO_LONG_HEADER,
NGX_HTTP_BAD_REQUEST);
} else if (rc == NGX_AGAIN) {
return NGX_AGAIN;
}
ctx = r->connection->log->data;
r->connection->log->handler = NULL;
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
header_errors[rc - NGX_HTTP_PARSE_INVALID_METHOD],
ctx->client, ctx->url);
r->connection->log->handler = ngx_http_log_error;
return ngx_http_error(r, NGX_HTTP_BAD_REQUEST);
}
}
@ -590,13 +614,13 @@ static int ngx_http_event_request_handler(ngx_http_request_t *r)
} else {
event = NGX_LEVEL_EVENT;
r->write_level_event = 1;
wev->level = 1;
}
#else /* select, poll, /dev/poll */
event = NGX_LEVEL_EVENT;
r->write_level_event = 1;
wev->level = 1;
#endif
@ -698,7 +722,6 @@ static int ngx_http_writer(ngx_event_t *ev)
}
/* TODO */
static int ngx_http_block_read(ngx_event_t *ev)
{
ngx_log_debug(ev->log, "http read blocked");
@ -711,28 +734,14 @@ static int ngx_http_block_read(ngx_event_t *ev)
#else
#if (HAVE_CLEAR_EVENT) /* kqueue */
if (ngx_event_flags & NGX_HAVE_CLEAR_EVENT) {
return NGX_OK;
}
#endif
#if (HAVE_EDGE_EVENT) /* epoll */
if (ngx_event_flags & NGX_HAVE_EDGE_EVENT) {
return NGX_OK;
}
#endif
/* select, poll, /dev/poll */
if (ev->level) { /* select, poll, /dev/poll */
ev->blocked = 1;
return ngx_del_event(ev, NGX_READ_EVENT, 0);
} else { /* kqueue, epoll */
return NGX_OK;
}
#endif /* USE_KQUEUE */
}
@ -803,34 +812,68 @@ static int ngx_http_read_discarded_body(ngx_event_t *ev)
}
/* TODO: if c->read->blocked */
static int ngx_http_set_keepalive(ngx_http_request_t *r)
{
int len;
ngx_hunk_t *h;
ngx_event_t *rev, *wev;
ngx_connection_t *c;
ngx_http_log_ctx_t *ctx;
c = (ngx_connection_t *) r->connection;
rev = c->read;
wev = c->write;
c->buffer->pos.mem = c->buffer->last.mem = c->buffer->start;
c->read->event_handler = ngx_http_keepalive_handler;
if (r->write_level_event) {
if (ngx_del_event(c->write, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
if (rev->blocked && rev->level) {
if (ngx_add_event(rev, NGX_READ_EVENT, NGX_LEVEL_EVENT) == NGX_ERROR) {
return NGX_ERROR;
}
rev->blocked = 0;
}
ctx = (ngx_http_log_ctx_t *) c->log->data;
ctx->action = "closing request";
ngx_http_close_request(r);
h = c->buffer;
/* pipelined request */
if (h->pos.mem < h->last.mem) {
/* clients that support pipelined requests (Mozilla 1.x, Opera 6.x)
are rare now so this copy should also be rare */
if (!ngx_http_large_client_header) {
len = h->last.mem - h->pos.mem;
ngx_memcpy(h->start, h->pos.mem, len);
h->pos.mem = h->start;
h->last.mem = h->start + len;
}
c->pipeline = 1;
ctx->action = "reading client pipelined request line";
return ngx_http_init_request(rev);
}
c->pipeline = 0;
h->pos.mem = h->last.mem = h->start;
rev->event_handler = ngx_http_keepalive_handler;
if (wev->active && wev->level) {
if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
return NGX_ERROR;
}
}
ctx->action = "keepalive";
#if (HAVE_AIO_EVENT) /* aio, iocp */
if (ngx_event_flags & NGX_HAVE_AIO_EVENT) {
return ngx_http_keepalive_handler(c->read);
return ngx_http_keepalive_handler(rev);
}
#endif
return NGX_OK;
@ -999,6 +1042,31 @@ static int ngx_http_close_connection(ngx_event_t *ev)
}
static int ngx_http_header_parse_error(ngx_http_request_t *r,
int parse_err, int err)
{
ngx_http_log_ctx_t *ctx;
ctx = r->connection->log->data;
r->connection->log->handler = NULL;
if (ctx->url) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
header_errors[parse_err - NGX_HTTP_PARSE_INVALID_METHOD],
ctx->client, ctx->url);
} else {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
header_errors[parse_err - NGX_HTTP_PARSE_INVALID_METHOD],
ctx->client);
}
r->connection->log->handler = ngx_http_log_error;
return ngx_http_error(r, err);
}
static size_t ngx_http_log_error(void *data, char *buf, size_t len)
{
ngx_http_log_ctx_t *ctx = (ngx_http_log_ctx_t *) data;

2
src/http/ngx_http_parse.c
View File

@ -41,6 +41,8 @@ printf("\nstate: %d, pos: %x, end: %x, char: '%c' buf: %s",
/* HTTP methods: GET, HEAD, POST */
case sw_start:
r->request_start = p - 1;
switch (ch) {
case 'G':
if (p + 1 >= r->header_in->last.mem) {