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nginx-0.0.1-2003-10-17-00:19:16 import

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This commit is contained in:
Igor Sysoev 2003-10-16 20:19:16 +00:00
parent e4aabac04e
commit d404c97163
14 changed files with 667 additions and 539 deletions
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2
src/core/ngx_core.h
View File

@ -36,11 +36,11 @@ typedef struct ngx_connection_s ngx_connection_t;
#define NGX_OK 0 #define NGX_OK 0
#define NGX_ERROR -1 #define NGX_ERROR -1
#define NGX_AGAIN -2 #define NGX_AGAIN -2
#define NGX_DONE -3
#define NGX_DECLINED -4 #define NGX_DECLINED -4
#define NGX_ABORT -5 #define NGX_ABORT -5
/* /*
#define NGX_DONE -3
#define NGX_BUSY -3 #define NGX_BUSY -3
#define NGX_ALERT -5 #define NGX_ALERT -5
*/ */

13
src/core/ngx_hunk.h
View File

@ -85,9 +85,9 @@ typedef struct {
(h->type == (h->type & (NGX_HUNK_FLUSH|NGX_HUNK_LAST))) (h->type == (h->type & (NGX_HUNK_FLUSH|NGX_HUNK_LAST)))
#define nxg_hunk_size(h) \ #define ngx_hunk_size(h) \
(h->type & NGX_HUNK_IN_MEMORY) ? h->last - h->pos: \ ((h->type & NGX_HUNK_IN_MEMORY) ? h->last - h->pos: \
(size_t) h->file_last - h->file_pos (size_t) (h->file_last - h->file_pos))
ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size, ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
@ -108,14 +108,13 @@ ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
#define ngx_alloc_ce_and_set_hunk ngx_add_hunk_to_chain #define ngx_alloc_ce_and_set_hunk ngx_add_hunk_to_chain
#define ngx_chain_add_ce(ngx_chain_t *chain, ngx_chain_t **last, \ #define ngx_chain_add_ce(chain, last, ce) \
ngx_chain_t *ce) \
if (chain) { \ if (chain) { \
last->next = ce; \ *last = ce; \
} else { \ } else { \
chain = ce; \ chain = ce; \
} \ } \
last = ce; last = &ce->next
int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **ch, ngx_chain_t *in); int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **ch, ngx_chain_t *in);

2
src/core/ngx_modules.c
View File

@ -89,7 +89,7 @@ ngx_module_t *ngx_modules[] = {
/* &ngx_http_ssi_filter_module, */ /* &ngx_http_ssi_filter_module, */
&ngx_http_charset_filter_module, &ngx_http_charset_filter_module,
/* &ngx_http_static_module, */ &ngx_http_static_module,
&ngx_http_index_module, &ngx_http_index_module,
&ngx_http_proxy_module, &ngx_http_proxy_module,

2
src/event/ngx_event_connect.c
View File

@ -220,6 +220,8 @@ int ngx_event_connect_peer(ngx_peer_connection_t *pc)
return NGX_AGAIN; return NGX_AGAIN;
} }
wev->ready = 1;
if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) { if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) {
return NGX_ERROR; return NGX_ERROR;
} }

378
src/event/ngx_event_proxy.c
View File

@ -4,21 +4,27 @@
#include <ngx_event.h> #include <ngx_event.h>
#include <ngx_event_proxy.h> #include <ngx_event_proxy.h>
static int ngx_event_proxy_write_chain_to_temp_file(ngx_event_proxy_t *p);
ngx_inline static void ngx_remove_shadow_links(ngx_hunk_t *hunk);
ngx_inline static void ngx_remove_shadow_free_raw_hunk(ngx_chain_t **free,
ngx_hunk_t *h);
ngx_inline static void ngx_add_after_partially_filled_hunk(ngx_chain_t **chain,
ngx_chain_t *ce);
int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p) int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p)
{ {
int n, rc, size; int n, rc, size;
ngx_hunk_t *h, *nh; ngx_hunk_t *h;
ngx_chain_t *chain, *rest, *ce, *next; ngx_chain_t *chain, *ce, *te;
rest = NULL;
p->upstream_level++; p->upstream_level++;
ngx_log_debug(p->log, "read upstream"); ngx_log_debug(p->log, "read upstream: %d" _ p->upstream->read->ready);
for ( ;; ) {
while (p->preread_hunks
|| (p->upstream->read->ready && !p->upstream_done))
{
if (p->preread_hunks) { if (p->preread_hunks) {
/* use the pre-read hunks if they exist */ /* use the pre-read hunks if they exist */
@ -27,7 +33,7 @@ ngx_log_debug(p->log, "read upstream");
p->preread_hunks = NULL; p->preread_hunks = NULL;
n = p->preread_size; n = p->preread_size;
ngx_log_debug(p->log, "preread: %d" _ n); ngx_log_debug(p->log, "preread: %d" _ n);
} else { } else {
@ -46,24 +52,14 @@ ngx_log_debug(p->log, "preread: %d" _ n);
"readv() failed"); "readv() failed");
p->upstream_error = 1; p->upstream_error = 1;
break;
} else if (p->upstream->read->eof } else if (p->upstream->read->eof
&& p->upstream->read->available == 0) { && p->upstream->read->available == 0) {
p->upstream_eof = 1; p->upstream_eof = 1;
break;
} }
if ((p->upstream_eof || p->upstream_error)
&& p->free_raw_hunk)
{
if (p->input_filter(p->input_data, p->free_raw_hunk->hunk)
== NGX_ERROR) {
return NGX_ABORT;
}
/* TODO: p->free_raw_hunk->next can be free()ed */
p->free_raw_hunk = p->free_raw_hunk->next;
}
break;
} }
#endif #endif
@ -74,23 +70,18 @@ ngx_log_debug(p->log, "preread: %d" _ n);
chain = p->free_raw_hunks; chain = p->free_raw_hunks;
p->free_raw_hunks = NULL; p->free_raw_hunks = NULL;
ngx_log_debug(p->log, "free hunk: %08X:%d" _ chain->hunk _
chain->hunk->end - chain->hunk->last);
} else if (p->hunks < p->bufs.num) { } else if (p->hunks < p->bufs.num) {
/* allocate a new hunk if it's still allowed */ /* allocate a new hunk if it's still allowed */
ngx_test_null(h, ngx_create_temp_hunk(p->pool, ngx_test_null(h, ngx_create_temp_hunk(p->pool,
p->bufs.size, 20, 20); p->bufs.size, 0, 0),
NGX_ABORT); NGX_ABORT);
p->hunks++; p->hunks++;
ngx_alloc_ce_and_set_hunk(te, h, p->pool, NGX_ABORT); ngx_alloc_ce_and_set_hunk(te, h, p->pool, NGX_ABORT);
chain = te; chain = te;
ngx_log_debug(p->log, "new hunk: %08X" _ chain->hunk);
} else if (!p->cachable && p->downstream->write->ready) { } else if (!p->cachable && p->downstream->write->ready) {
/* /*
@ -98,7 +89,7 @@ ngx_log_debug(p->log, "new hunk: %08X" _ chain->hunk);
* a downstream is ready then write the hunks to a downstream. * a downstream is ready then write the hunks to a downstream.
*/ */
ngx_log_debug(p->log, "downstream ready"); ngx_log_debug(p->log, "downstream ready");
break; break;
@ -111,7 +102,7 @@ ngx_log_debug(p->log, "downstream ready");
rc = ngx_event_proxy_write_chain_to_temp_file(p); rc = ngx_event_proxy_write_chain_to_temp_file(p);
ngx_log_debug(p->log, "temp offset: %d" _ p->temp_offset); ngx_log_debug(p->log, "temp offset: %d" _ p->temp_offset);
if (rc == NGX_AGAIN) { if (rc == NGX_AGAIN) {
if (ngx_event_flags & NGX_USE_LEVEL_EVENT if (ngx_event_flags & NGX_USE_LEVEL_EVENT
@ -133,21 +124,18 @@ ngx_log_debug(p->log, "temp offset: %d" _ p->temp_offset);
chain = p->free_raw_hunks; chain = p->free_raw_hunks;
p->free_raw_hunks = NULL; p->free_raw_hunks = NULL;
ngx_log_debug(p->log, "new file hunk: %08X:%d" _ chain->hunk _
chain->hunk->end - chain->hunk->last);
} else { } else {
/* if there're no hunks to read in then disable a level event */ /* if there're no hunks to read in then disable a level event */
ngx_log_debug(p->log, "no hunks to read in"); ngx_log_debug(p->log, "no hunks to read in");
break; break;
} }
n = ngx_recv_chain(p->upstream, chain); n = ngx_recv_chain(p->upstream, chain);
ngx_log_debug(p->log, "recv_chain: %d" _ n); ngx_log_debug(p->log, "recv_chain: %d" _ n);
if (n == NGX_ERROR) { if (n == NGX_ERROR) {
p->upstream_error = 1; p->upstream_error = 1;
@ -159,10 +147,7 @@ ngx_log_debug(p->log, "recv_chain: %d" _ n);
} }
if (n == 0) { if (n == 0) {
THINK p->free_raw_hunks = chain;
if (chain->hunk->shadow == NULL) {
p->free_hunks = chain;
}
p->upstream_eof = 1; p->upstream_eof = 1;
break; break;
@ -172,180 +157,41 @@ ngx_log_debug(p->log, "recv_chain: %d" _ n);
for (ce = chain; ce && n > 0; ce = ce->next) { for (ce = chain; ce && n > 0; ce = ce->next) {
size = ce->hunk->end - ce->hunk->last; ngx_remove_shadow_links(ce->hunk);
if (n >= size) {
ce->hunk->last = ce->hunk->end;
if (p->input_filter(p->input_data, ce->hunk) == NGX_ERROR) {
return NGX_ABORT;
}
n -= size;
} else if (p->upstream_eof || p->upstream_error) {
if (p->input_filter(p->input_data, ce->hunk) == NGX_ERROR) {
return NGX_ABORT;
}
} else {
ce->hunk->last += n;
n = 0;
}
next = ce->next;
ce->next = NULL;
if (ce->hunk->shadow) {
for (h = ce->hunk->shadow;
(h->type & NGX_HUNK_LAST_SHADOW) == 0;
h = nh)
{
nh = h->shadow;
h->shadow = NULL;
h->type &= ~(NGX_HUNK_TEMP
|NGX_HUNK_IN_MEMORY
|NGX_HUNK_RECYCLED);
}
h->shadow = NULL;
h->type &= ~(NGX_HUNK_TEMP
|NGX_HUNK_IN_MEMORY
|NGX_HUNK_RECYCLED
|NGX_HUNK_LAST_SHADOW);
ce->hunk->shadow = NULL;
}
size = ce->hunk->end - ce->hunk->last; size = ce->hunk->end - ce->hunk->last;
if (n >= size) { if (n >= size) {
ce->hunk->last = ce->hunk->end; ce->hunk->last = ce->hunk->end;
if (p->read_hunks) { if (p->input_filter(p, ce->hunk) == NGX_ERROR) {
p->last_read_hunk->next = ce; return NGX_ABORT;
} else {
p->read_hunks = ce;
} }
p->last_read_hunk = ce;
n -= size; n -= size;
chain = ce->next;
} else { } else {
ce->hunk->last += n; ce->hunk->last += n;
p->free_hunks = ce;
n = 0; n = 0;
} }
} }
if (chain == p->free_hunks) { p->free_raw_hunks = chain;
chain = NULL; }
}
/* if ((p->upstream_eof || p->upstream_error) && p->free_raw_hunks) {
* the input filter i.e. that moves HTTP/1.1 chunks if (p->input_filter(p, p->free_raw_hunks->hunk) == NGX_ERROR) {
* from a read chain to an incoming chain
*/
if (p->input_filter(p, chain) == NGX_ERROR) {
return NGX_ABORT; return NGX_ABORT;
} }
ngx_log_debug(p->log, "rest chain: %08X" _ ce); /* TODO: p->free_raw_hunk->next can be free()ed */
p->free_raw_hunks = p->free_raw_hunks->next;
/*
* if the rest hunks are file hunks then move them to a file chain
* otherwise add them to a free chain
*/
if (rest) {
if (rest->hunk->shadow) {
p->file_hunks = rest;
} else {
if (p->free_hunks) {
p->free_hunks->next = rest;
} else {
p->free_hunks = rest;
}
}
break;
}
}
ngx_log_debug(p->log, "eof: %d" _ p->upstream_eof);
/*
* if there's the end of upstream response then move
* the partially filled hunk from a free chain to an incoming chain
*/
if (p->upstream_eof) {
if (p->free_hunks
&& p->free_hunks->hunk->pos < p->free_hunks->hunk->last)
{
#if (NGX_EVENT_COPY_FILTER)
if (p->input_filter(p, NULL) == NGX_ERROR) {
return NGX_ABORT;
}
#else
if (p->input_filter) {
if (p->input_filter(p, NULL) == NGX_ERROR) {
return NGX_ABORT;
}
} else {
ce = p->free_hunks;
if (p->in_hunks) {
p->last_in_hunk->next = ce;
} else {
p->in_hunks = ce;
}
p->last_in_hunk = ce;
}
p->free_hunks = ce->next;
ce->next = NULL;
#endif /* NGX_EVENT_COPY_FILTER */
}
#if 0
/* free the unneeded hunks */
for (ce = p->free_hunks; ce; ce = ce->next) {
ngx_free_hunk(p->pool, ce->hunk);
}
#endif
if (p->in_hunks) {
p->last_in_hunk->hunk->type |= NGX_HUNK_LAST;
} else if (p->out_hunks) {
p->last_out_hunk->hunk->type |= NGX_HUNK_LAST;
}
} }
if (p->cachable) { if (p->cachable) {
if (p->in_hunks) { if (p->in) {
rc = ngx_event_proxy_write_chain_to_temp_file(p); rc = ngx_event_proxy_write_chain_to_temp_file(p);
if (rc != NGX_OK) { if (rc != NGX_OK) {
@ -353,13 +199,13 @@ ngx_log_debug(p->log, "eof: %d" _ p->upstream_eof);
} }
} }
if (p->out_hunks && p->downstream->write->ready) { if (p->out && p->downstream->write->ready) {
if (ngx_event_proxy_write_to_downstream(p) == NGX_ABORT) { if (ngx_event_proxy_write_to_downstream(p) == NGX_ABORT) {
return NGX_ABORT; return NGX_ABORT;
} }
} }
} else if ((p->out_hunks || p->in_hunks) && p->downstream->write->ready) { } else if ((p->out || p->in) && p->downstream->write->ready) {
if (ngx_event_proxy_write_to_downstream(p) == NGX_ABORT) { if (ngx_event_proxy_write_to_downstream(p) == NGX_ABORT) {
return NGX_ABORT; return NGX_ABORT;
} }
@ -375,25 +221,22 @@ ngx_log_debug(p->log, "upstream level: %d" _ p->upstream_level);
} }
} }
if (p->upstream_eof) { return NGX_OK;
return NGX_OK;
} else {
return NGX_AGAIN;
}
} }
int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p) int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
{ {
ngx_chain_t *out, *ce; int rc;
ngx_hunk_t *h;
ngx_chain_t *out, *ce, *te;
while (p->downstream->write->ready) { while (p->downstream->write->ready) {
if (p->out) { if (p->out) {
out = p->out; out = p->out;
if (p->busy_len + ngx_hunk_size(out->hunk)) > p->max_busy_len) { if (p->busy_len + ngx_hunk_size(out->hunk) > p->max_busy_len) {
break; break;
} }
@ -403,7 +246,7 @@ int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
} else if (!p->cachable && p->in) { } else if (!p->cachable && p->in) {
out = p->in; out = p->in;
if (p->busy_len + ngx_hunk_size(out->hunk)) > p->max_busy_len) { if (p->busy_len + ngx_hunk_size(out->hunk) > p->max_busy_len) {
break; break;
} }
@ -415,9 +258,9 @@ int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
out->next = NULL; out->next = NULL;
rc = p->output_filter(p->output_data, out->hunk); rc = p->output_filter(p->output_ctx, out->hunk);
ngx_chain_update_chains(p->free, p->busy, out); ngx_chain_update_chains(&p->free, &p->busy, &out);
/* calculate p->busy_len */ /* calculate p->busy_len */
@ -435,14 +278,14 @@ int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
h->shadow = NULL; h->shadow = NULL;
ngx_alloc_ce_and_set_hunk(te, ce->hunk->shadow, p->pool, ngx_alloc_ce_and_set_hunk(te, ce->hunk->shadow, p->pool,
NGX_ABORT); NGX_ABORT);
ngx_add_after_partially_filled_hunk(p->free_raw_hunks, te); ngx_add_after_partially_filled_hunk(&p->free_raw_hunks, te);
ce->hunk->type &= ~NGX_HUNK_LAST_SHADOW; ce->hunk->type &= ~NGX_HUNK_LAST_SHADOW;
} }
ce->hunk->shadow = NULL; ce->hunk->shadow = NULL;
} }
if (p->upstream.read->ready) if (p->upstream->read->ready) {
if (ngx_event_proxy_read_upstream(p) == NGX_ERROR) { if (ngx_event_proxy_read_upstream(p) == NGX_ERROR) {
return NGX_ABORT; return NGX_ABORT;
} }
@ -450,7 +293,8 @@ int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
} }
if (p->downstream_level == 0) { if (p->downstream_level == 0) {
if (ngx_handler_write_event(p->downstream->write) == NGX_ERROR) { if (ngx_handle_write_event(p->downstream->write,
/* TODO: lowat */ 0) == NGX_ERROR) {
return NGX_ABORT; return NGX_ABORT;
} }
} }
@ -463,13 +307,13 @@ int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p)
} }
int ngx_event_proxy_write_chain_to_temp_file(ngx_event_proxy_t *p) static int ngx_event_proxy_write_chain_to_temp_file(ngx_event_proxy_t *p)
{ {
int rc, size; int rc, size;
ngx_hunk_t *h; ngx_hunk_t *h;
ngx_chain_t *entry, *next, *saved_in, *saved_read; ngx_chain_t *ce, *next, *in, **last;
ngx_log_debug(p->log, "write to file"); ngx_log_debug(p->log, "write to file");
if (p->temp_file->fd == NGX_INVALID_FILE) { if (p->temp_file->fd == NGX_INVALID_FILE) {
rc = ngx_create_temp_file(p->temp_file, p->temp_path, p->pool, rc = ngx_create_temp_file(p->temp_file, p->temp_path, p->pool,
@ -483,86 +327,59 @@ ngx_log_debug(p->log, "write to file");
return NGX_AGAIN; return NGX_AGAIN;
} }
if (p->cachable == 0 && p->temp_file_warn) { if (!p->cachable && p->temp_file_warn) {
ngx_log_error(NGX_LOG_WARN, p->log, 0, p->temp_file_warn); ngx_log_error(NGX_LOG_WARN, p->log, 0, p->temp_file_warn);
} }
} }
if (p->cachable == 0) { if (!p->cachable) {
entry = p->read_hunks;
size = 0; size = 0;
ce = p->in;
do { do {
size += entry->hunk->last - entry->hunk->pos; size += ce->hunk->last - ce->hunk->pos;
if (size >= p->temp_file_write_size) { if (size >= p->temp_file_write_size) {
break; break;
} }
entry = entry->next; ce = ce->next;
} while (entry); } while (ce);
saved_read = entry->next; in = ce->next;
entry->next = NULL; last = &ce->next;
ce->next = NULL;
if (saved_read) {
for (entry = p->in_hunks; entry->next; entry = entry->next) {
if (entry->next->hunk->shadow == saved_read->hunk) {
break;
}
}
saved_in = entry->next;
entry->next = NULL;
} else {
saved_in = NULL;
}
} else { } else {
saved_read = NULL; in = NULL;
saved_in = NULL; last = &p->in;
} }
if (ngx_write_chain_to_file(p->temp_file, p->in_hunks, p->temp_offset, if (ngx_write_chain_to_file(p->temp_file, p->in, p->temp_offset,
p->pool) == NGX_ERROR) { p->pool) == NGX_ERROR) {
return NGX_ABORT; return NGX_ABORT;
} }
for (entry = p->in_hunks; entry; entry = next) { for (ce = p->in; ce; ce = next) {
next = entry->next; next = ce->next;
entry->next = NULL; ce->next = NULL;
h = entry->hunk; h = ce->hunk;
h->type |= NGX_HUNK_FILE; h->type |= NGX_HUNK_FILE;
h->file = p->temp_file; h->file = p->temp_file;
h->file_pos = p->temp_offset; h->file_pos = p->temp_offset;
p->temp_offset += h->last - h->pos; p->temp_offset += h->last - h->pos;
h->file_last = p->temp_offset; h->file_last = p->temp_offset;
ngx_log_debug(p->log, "event proxy file hunk: %08X:%08X" _ h _ h->shadow);
if (h->type & NGX_HUNK_LAST_SHADOW) { if (h->type & NGX_HUNK_LAST_SHADOW) {
#if 0
h->shadow->last = h->shadow->pos;
#else
h->shadow->last = h->shadow->pos = h->shadow->start; h->shadow->last = h->shadow->pos = h->shadow->start;
#endif
} }
if (p->out_hunks) { ngx_chain_add_ce(p->out, p->last_out, ce);
p->last_out_hunk->next = entry;
} else {
p->out_hunks = entry;
}
p->last_out_hunk = entry;
} }
p->file_hunks = p->read_hunks; p->in = in;
p->last_in = last;
p->read_hunks = saved_read;
p->in_hunks = saved_in;
return NGX_OK; return NGX_OK;
} }
@ -593,22 +410,44 @@ int ngx_event_proxy_copy_input_filter(ngx_event_proxy_t *p, ngx_hunk_t *hunk)
hunk->shadow = h; hunk->shadow = h;
ngx_alloc_ce_and_set_hunk(ce, h, p->pool, NGX_ERROR); ngx_alloc_ce_and_set_hunk(ce, h, p->pool, NGX_ERROR);
ngx_chain_add_ce(p->in_hunk, p->last_in_hunk, ce); ngx_chain_add_ce(p->in, p->last_in, ce);
return NGX_OK; return NGX_OK;
} }
ngx_inline static void ngx_remove_shadow_links(ngx_chain_t *ce) ngx_inline static void ngx_remove_shadow_links(ngx_hunk_t *hunk)
{ {
for ( ngx_hunk_t *h, *next;
if (hunk->shadow == NULL) {
return;
}
h = hunk->shadow;
while (!(h->type & NGX_HUNK_LAST_SHADOW)) {
next = h->shadow;
h->type &= ~(NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY|NGX_HUNK_RECYCLED);
h->shadow = NULL;
h = next;
}
h->type &= ~(NGX_HUNK_TEMP
|NGX_HUNK_IN_MEMORY
|NGX_HUNK_RECYCLED
|NGX_HUNK_LAST_SHADOW);
h->shadow = NULL;
hunk->shadow = NULL;
} }
ngx_inline static void ngx_remove_shadow_free_raw_hunk(ngx_chain_t **free; ngx_inline static void ngx_remove_shadow_free_raw_hunk(ngx_chain_t **free,
ngx_hunk_t *h); ngx_hunk_t *h)
{ {
ngx_hunk_t *s; ngx_hunk_t *s;
ngx_chain_t *ce, **le;
if (h->shadow == NULL) { if (h->shadow == NULL) {
return; return;
@ -635,15 +474,20 @@ ngx_inline static void ngx_remove_shadow_free_raw_hunk(ngx_chain_t **free;
} }
ngx_inline static void ngx_add_after_partially_filled_hunk(ngx_chain_t *chain, ngx_inline static void ngx_add_after_partially_filled_hunk(ngx_chain_t **chain,
ngx_chain_t *ce) ngx_chain_t *ce)
{ {
if (chain->hunk->pos != chain->hunk->last) { if (*chain == NULL) {
ce->next = chain->next; *chain = ce;
chain->next = ce; return;
}
if ((*chain)->hunk->pos != (*chain)->hunk->last) {
ce->next = (*chain)->next;
(*chain)->next = ce;
} else { } else {
ce->next = chain; ce->next = (*chain);
chain = ce; (*chain) = ce;
} }
} }

47
src/event/ngx_event_proxy.h
View File

@ -10,40 +10,37 @@
typedef struct ngx_event_proxy_s ngx_event_proxy_t; typedef struct ngx_event_proxy_s ngx_event_proxy_t;
typedef int (*ngx_event_proxy_input_filter_pt)(ngx_event_proxy_t *p, typedef int (*ngx_event_proxy_input_filter_pt)(ngx_event_proxy_t *p,
ngx_chain_t *chain); ngx_hunk_t *hunk);
typedef int (*ngx_event_proxy_output_filter_pt)(void *data, ngx_hunk_t *hunk); typedef int (*ngx_event_proxy_output_filter_pt)(void *data, ngx_hunk_t *hunk);
struct ngx_event_proxy_s { struct ngx_event_proxy_s {
ngx_chain_t *read_hunks; ngx_chain_t *free_raw_hunks;
ngx_chain_t *last_read_hunk; ngx_chain_t *in;
ngx_chain_t **last_in;
ngx_chain_t *file_hunks; ngx_chain_t *out;
ngx_chain_t **last_out;
ngx_chain_t *in_hunks; ngx_chain_t *free;
ngx_chain_t *last_in_hunk; ngx_chain_t *busy;
ngx_chain_t *out_hunks; /*
ngx_chain_t *last_out_hunk; * the input filter i.e. that moves HTTP/1.1 chunks
* from the raw hunks to an incoming chain
*/
ngx_chain_t *free_hunks; ngx_event_proxy_input_filter_pt input_filter;
#if 0 void *input_ctx;
ngx_chain_t *last_free_hunk;
#endif
ngx_hunk_t *busy_hunk; ngx_event_proxy_output_filter_pt output_filter;
void *output_ctx;
ngx_event_proxy_input_filter_pt input_filter;
void *input_data;
ngx_event_proxy_output_filter_pt output_filter;
void *output_data;
unsigned cachable:1; unsigned cachable:1;
unsigned block_upstream:1; unsigned upstream_done:1;
unsigned upstream_eof:1; unsigned upstream_eof:1;
unsigned upstream_error:1; unsigned upstream_error:1;
unsigned downstream_eof:1; unsigned downstream_done:1;
unsigned downstream_error:1; unsigned downstream_error:1;
int upstream_level; int upstream_level;
@ -52,6 +49,9 @@ struct ngx_event_proxy_s {
int hunks; int hunks;
ngx_bufs_t bufs; ngx_bufs_t bufs;
size_t busy_len;
size_t max_busy_len;
off_t temp_offset; off_t temp_offset;
off_t max_temp_file_size; off_t max_temp_file_size;
int temp_file_write_size; int temp_file_write_size;
@ -63,9 +63,6 @@ struct ngx_event_proxy_s {
ngx_log_t *log; ngx_log_t *log;
ngx_chain_t *preread_hunks; ngx_chain_t *preread_hunks;
#if 0
ngx_chain_t *last_preread_hunk;
#endif
int preread_size; int preread_size;
ngx_file_t *temp_file; ngx_file_t *temp_file;
@ -76,7 +73,7 @@ struct ngx_event_proxy_s {
int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p); int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p);
int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p); int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p);
int ngx_event_proxy_copy_input_filter(ngx_event_proxy_t *p, ngx_chain_t *chain); int ngx_event_proxy_copy_input_filter(ngx_event_proxy_t *p, ngx_hunk_t *hunk);
#endif /* _NGX_EVENT_PROXY_H_INCLUDED_ */ #endif /* _NGX_EVENT_PROXY_H_INCLUDED_ */

4
src/http/modules/ngx_http_index_handler.c
View File

@ -79,7 +79,7 @@ ngx_module_t ngx_http_index_module = {
int ngx_http_index_handler(ngx_http_request_t *r) int ngx_http_index_handler(ngx_http_request_t *r)
{ {
int i, rc, test_dir, path_not_found; int rc;
char *name, *file; char *name, *file;
ngx_str_t redirect, *index; ngx_str_t redirect, *index;
ngx_err_t err; ngx_err_t err;
@ -132,7 +132,7 @@ int ngx_http_index_handler(ngx_http_request_t *r)
fd = ngx_open_file(name, NGX_FILE_RDONLY, NGX_FILE_OPEN); fd = ngx_open_file(name, NGX_FILE_RDONLY, NGX_FILE_OPEN);
if (fd == NGX_AGAIN) { if (fd == (ngx_fd_t) NGX_AGAIN) {
return NGX_AGAIN; return NGX_AGAIN;
} }

206
src/http/modules/ngx_http_static_handler.c
View File

@ -4,7 +4,188 @@
#include <ngx_http.h> #include <ngx_http.h>
int ngx_http_static_handler(ngx_http_request_t *r) static int ngx_http_static_handler(ngx_http_request_t *r);
static int ngx_http_static_init(ngx_cycle_t *cycle);
static ngx_command_t ngx_http_static_commands[] = {
ngx_null_command
};
ngx_http_module_t ngx_http_static_module_ctx = {
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
NULL, /* create location configuration */
NULL /* merge location configuration */
};
ngx_module_t ngx_http_static_module = {
NGX_MODULE,
&ngx_http_static_module_ctx, /* module context */
ngx_http_static_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
ngx_http_static_init, /* init module */
NULL /* init child */
};
int ngx_http_static_translate_handler(ngx_http_request_t *r)
{
char *location, *last;
ngx_err_t err;
ngx_table_elt_t *h;
ngx_http_core_loc_conf_t *clcf;
if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) {
return NGX_HTTP_NOT_ALLOWED;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->uri.data[r->uri.len - 1] == '/') {
if (r->path.data == NULL) {
ngx_test_null(r->path.data,
ngx_palloc(r->pool,
clcf->doc_root.len + r->uri.len),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_cpystrn(ngx_cpymem(r->path.data, clcf->doc_root.data,
clcf->doc_root.len),
r->uri.data, r->uri.len + 1);
} else {
r->path.data[r->path.len] = '\0';
}
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"directory index of \"%s\" is forbidden", r->path.data);
return NGX_HTTP_FORBIDDEN;
}
/* "+ 2" is for trailing '/' in redirect and '\0' */
ngx_test_null(r->file.name.data,
ngx_palloc(r->pool, clcf->doc_root.len + r->uri.len + 2),
NGX_HTTP_INTERNAL_SERVER_ERROR);
location = ngx_cpymem(r->file.name.data, clcf->doc_root.data,
clcf->doc_root.len),
last = ngx_cpystrn(location, r->uri.data, r->uri.len + 1);
ngx_log_debug(r->connection->log, "HTTP filename: '%s'" _ r->file.name.data);
#if (WIN9X)
/*
* There is no way to open a file or a directory in Win9X with
* one syscall: Win9X has no FILE_FLAG_BACKUP_SEMANTICS flag.
* so we need to check its type before the opening
*/
r->file.info.dwFileAttributes = GetFileAttributes(r->file.name.data);
if (r->file.info.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ERR, r->connection->log, err,
ngx_file_type_n " \"%s\" failed", r->file.name.data);
if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
return NGX_HTTP_NOT_FOUND;
} else if (err == NGX_EACCES) {
return NGX_HTTP_FORBIDDEN;
} else {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
#else
if (r->file.fd == NGX_INVALID_FILE) {
r->file.fd = ngx_open_file(r->file.name.data,
NGX_FILE_RDONLY, NGX_FILE_OPEN);
}
if (r->file.fd == NGX_INVALID_FILE) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
ngx_open_file_n " \"%s\" failed", r->file.name.data);
if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
return NGX_HTTP_NOT_FOUND;
} else if (err == NGX_EACCES) {
return NGX_HTTP_FORBIDDEN;
} else {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
ngx_log_debug(r->connection->log, "FILE: %d" _ r->file.fd);
if (!r->file.info_valid) {
if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
ngx_stat_fd_n " \"%s\" failed", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " \"%s\" failed",
r->file.name.data);
}
r->file.fd = NGX_INVALID_FILE;
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->file.info_valid = 1;
}
#endif
if (ngx_is_dir(r->file.info)) {
ngx_log_debug(r->connection->log, "HTTP DIR: '%s'" _ r->file.name.data);
#if !(WIN9X)
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " \"%s\" failed", r->file.name.data);
}
r->file.fd = NGX_INVALID_FILE;
#endif
ngx_test_null(h, ngx_push_table(r->headers_out.headers),
NGX_HTTP_INTERNAL_SERVER_ERROR);
*last++ = '/';
*last = '\0';
h->key.len = 8;
h->key.data = "Location" ;
h->value.len = last - location;
h->value.data = location;
r->headers_out.location = h;
return NGX_HTTP_MOVED_PERMANENTLY;
}
r->content_handler = ngx_http_static_handler;
return NGX_OK;
}
static int ngx_http_static_handler(ngx_http_request_t *r)
{ {
int rc, key, i; int rc, key, i;
ngx_log_e level; ngx_log_e level;
@ -20,10 +201,6 @@ int ngx_http_static_handler(ngx_http_request_t *r)
return rc; return rc;
} }
if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) {
return NGX_HTTP_NOT_ALLOWED;
}
ctx = r->connection->log->data; ctx = r->connection->log->data;
ctx->action = "sending response"; ctx->action = "sending response";
@ -142,3 +319,22 @@ int ngx_http_static_handler(ngx_http_request_t *r)
return ngx_http_output_filter(r, h); return ngx_http_output_filter(r, h);
} }
static int ngx_http_static_init(ngx_cycle_t *cycle)
{
ngx_http_handler_pt *h;
ngx_http_conf_ctx_t *ctx;
ngx_http_core_main_conf_t *cmcf;
ctx = (ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index];
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
ngx_test_null(h, ngx_push_array(
&cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers),
NGX_ERROR);
*h = ngx_http_static_translate_handler;
return NGX_OK;
}

338
src/http/modules/proxy/ngx_http_proxy_handler.c
View File

@ -17,7 +17,8 @@ static void ngx_http_proxy_process_upstream_status_line(ngx_event_t *rev);
static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev); static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev);
static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *); static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *);
static void ngx_http_proxy_send_response(ngx_http_proxy_ctx_t *p); static void ngx_http_proxy_send_response(ngx_http_proxy_ctx_t *p);
static void ngx_http_proxy_process_upstream_body(ngx_event_t *rev); static void ngx_http_proxy_process_upstream(ngx_event_t *rev);
static void ngx_http_proxy_process_downstream(ngx_event_t *wev);
static int ngx_http_proxy_parse_status_line(ngx_http_proxy_ctx_t *p); static int ngx_http_proxy_parse_status_line(ngx_http_proxy_ctx_t *p);
static void ngx_http_proxy_next_upstream(ngx_http_proxy_ctx_t *p); static void ngx_http_proxy_next_upstream(ngx_http_proxy_ctx_t *p);
@ -27,8 +28,21 @@ static void ngx_http_proxy_close_connection(ngx_connection_t *c);
static int ngx_http_proxy_init(ngx_cycle_t *cycle); static int ngx_http_proxy_init(ngx_cycle_t *cycle);
static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_proxy_set_pass(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_proxy_parse_upstream(ngx_str_t *url,
ngx_http_proxy_upstream_t *u);
static ngx_command_t ngx_http_proxy_commands[] = { static ngx_command_t ngx_http_proxy_commands[] = {
{ngx_string("proxy_pass"),
NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_proxy_set_pass,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL},
ngx_null_command ngx_null_command
}; };
@ -54,7 +68,7 @@ ngx_module_t ngx_http_proxy_module = {
&ngx_http_proxy_module_ctx, /* module context */ &ngx_http_proxy_module_ctx, /* module context */
ngx_http_proxy_commands, /* module directives */ ngx_http_proxy_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */ NGX_HTTP_MODULE, /* module type */
ngx_http_proxy_init, /* init module */ NULL, /* init module */
NULL /* init child */ NULL /* init child */
}; };
@ -99,22 +113,9 @@ static char conn_close_header[] = "Connection: close" CRLF;
static int ngx_http_proxy_translate_handler(ngx_http_request_t *r)
{
#if 0
r->handler = ngx_http_proxy_handler;
return NGX_OK;
#else
return NGX_DECLINED;
#endif
}
static int ngx_http_proxy_handler(ngx_http_request_t *r) static int ngx_http_proxy_handler(ngx_http_request_t *r)
{ {
int rc; ngx_http_proxy_ctx_t *p;
ngx_http_proxy_ctx_t *p;
ngx_http_proxy_loc_conf_t *lcf;
ngx_http_create_ctx(r, p, ngx_http_proxy_module, ngx_http_create_ctx(r, p, ngx_http_proxy_module,
sizeof(ngx_http_proxy_ctx_t), sizeof(ngx_http_proxy_ctx_t),
@ -126,6 +127,8 @@ static int ngx_http_proxy_handler(ngx_http_request_t *r)
p->request = r; p->request = r;
p->method = r->method; p->method = r->method;
/* TODO: from lcf->upstream */
p->uri.data = "/"; p->uri.data = "/";
p->uri.len = 1; p->uri.len = 1;
p->location_len = 1; p->location_len = 1;
@ -144,7 +147,7 @@ static int ngx_http_proxy_handler(ngx_http_request_t *r)
ngx_http_proxy_send_request(p); ngx_http_proxy_send_request(p);
return NGX_OK; return NGX_DONE;
} }
@ -580,7 +583,6 @@ static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev)
static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *p) static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *p)
{ {
int event;
ssize_t n; ssize_t n;
ngx_event_t *rev; ngx_event_t *rev;
@ -589,7 +591,10 @@ static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *p)
n = p->header_in->last - p->header_in->pos; n = p->header_in->last - p->header_in->pos;
if (n > 0) { if (n > 0) {
#if 0
/* TODO THINK */
rev->ready = 0; rev->ready = 0;
#endif
return n; return n;
} }
@ -700,11 +705,12 @@ static void ngx_http_proxy_send_response(ngx_http_proxy_ctx_t *p)
return; return;
} }
ep->input_filter = ngx_event_proxy_copy_input_filter;
ep->output_filter = (ngx_event_proxy_output_filter_pt) ep->output_filter = (ngx_event_proxy_output_filter_pt)
ngx_http_output_filter; ngx_http_output_filter;
ep->output_data = r; ep->output_ctx = r;
ep->block_size = p->lcf->block_size; ep->bufs = p->lcf->bufs;
ep->max_block_size = p->lcf->max_block_size; ep->max_busy_len = p->lcf->max_busy_len;
ep->upstream = p->upstream.connection; ep->upstream = p->upstream.connection;
ep->downstream = r->connection; ep->downstream = r->connection;
ep->pool = r->pool; ep->pool = r->pool;
@ -742,16 +748,18 @@ static void ngx_http_proxy_send_response(ngx_http_proxy_ctx_t *p)
lcx->action = "reading an upstream"; lcx->action = "reading an upstream";
#endif #endif
ngx_event_proxy_read_upstream(ep);
p->upstream.connection->read->event_handler = p->upstream.connection->read->event_handler =
ngx_http_proxy_process_upstream_body; ngx_http_proxy_process_upstream;
r->connection->write->event_handler =
ngx_http_proxy_process_downstream;
ngx_http_proxy_process_upstream(p->upstream.connection->read);
return; return;
} }
static void ngx_http_proxy_process_upstream_body(ngx_event_t *rev) static void ngx_http_proxy_process_upstream(ngx_event_t *rev)
{ {
ngx_connection_t *c; ngx_connection_t *c;
ngx_http_proxy_ctx_t *p; ngx_http_proxy_ctx_t *p;
@ -759,25 +767,58 @@ static void ngx_http_proxy_process_upstream_body(ngx_event_t *rev)
c = rev->data; c = rev->data;
p = c->data; p = c->data;
ngx_log_debug(rev->log, "http proxy process upstream body"); ngx_log_debug(rev->log, "http proxy process upstream");
if (rev->timedout) { if (rev->timedout) {
ngx_http_proxy_close_connection(p->upstream.connection); ngx_http_proxy_close_connection(c);
p->upstream.connection = NULL; p->upstream.connection = NULL;
return; return;
} }
ngx_event_proxy_read_upstream(p->event_proxy); if (ngx_event_proxy_read_upstream(p->event_proxy) == NGX_ABORT) {
ngx_http_proxy_finalize_request(p, 0);
if (p->event_proxy->upstream_eof) {
ngx_http_proxy_close_connection(p->upstream.connection);
p->upstream.connection = NULL;
return; return;
} }
if (p->event_proxy->upstream_error) { if (p->event_proxy->upstream_eof
ngx_http_proxy_close_connection(p->upstream.connection); || p->event_proxy->upstream_error
p->upstream.connection = NULL; || p->event_proxy->upstream_done)
{
ngx_http_proxy_finalize_request(p, ngx_http_send_last(p->request));
return;
}
return;
}
static void ngx_http_proxy_process_downstream(ngx_event_t *wev)
{
ngx_connection_t *c;
ngx_http_proxy_ctx_t *p;
c = wev->data;
p = c->data;
ngx_log_debug(wev->log, "http proxy process downstream");
if (wev->timedout) {
ngx_http_close_connection(c);
return;
}
if (ngx_event_proxy_write_to_downstream(p->event_proxy) == NGX_ABORT) {
ngx_http_proxy_finalize_request(p, 0);
return;
}
if (p->event_proxy->downstream_done) {
ngx_http_proxy_finalize_request(p, 0);
return;
}
if (p->event_proxy->downstream_error) {
ngx_http_close_connection(c);
return; return;
} }
@ -1076,25 +1117,6 @@ static size_t ngx_http_proxy_log_error(void *data, char *buf, size_t len)
} }
static int ngx_http_proxy_init(ngx_cycle_t *cycle)
{
ngx_http_handler_pt *h;
ngx_http_conf_ctx_t *ctx;
ngx_http_core_main_conf_t *cmcf;
ctx = (ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index];
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
ngx_test_null(h, ngx_push_array(
&cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers),
NGX_ERROR);
*h = ngx_http_proxy_translate_handler;
return NGX_OK;
}
static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
{ {
int i; int i;
@ -1121,8 +1143,9 @@ static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
conf->header_size = 4096; conf->header_size = 4096;
conf->read_timeout = 30000; conf->read_timeout = 30000;
conf->block_size = 4096; conf->bufs.num = 10;
conf->max_block_size = 4096 * 3; conf->bufs.size = 4096;
conf->max_busy_len = 8192 + 4096;
conf->max_temp_file_size = 4096 * 5; conf->max_temp_file_size = 4096 * 5;
conf->temp_file_write_size = 4096 * 2; conf->temp_file_write_size = 4096 * 2;
@ -1147,3 +1170,206 @@ static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
return conf; return conf;
} }
static char *ngx_http_proxy_set_pass(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf)
{
ngx_http_proxy_loc_conf_t *lcf = conf;
int i, len;
char *err, *host;
ngx_str_t *value;
struct hostent *h;
u_int32_t addr;
ngx_http_conf_ctx_t *ctx;
ngx_http_core_loc_conf_t *clcf;
value = cf->args->elts;
if (ngx_strncasecmp(value[1].data, "http://", 7) != 0) {
return "invalid URL prefix";
}
ngx_test_null(lcf->upstream,
ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_upstream_t)),
NGX_CONF_ERROR);
value[1].data += 7;
value[1].len -= 7;
err = ngx_http_proxy_parse_upstream(&value[1], lcf->upstream);
if (err) {
return err;
}
ngx_test_null(host, ngx_palloc(cf->pool, lcf->upstream->host.len + 1),
NGX_CONF_ERROR);
ngx_cpystrn(host, lcf->upstream->host.data, lcf->upstream->host.len + 1);
addr = inet_addr(host);
if (addr == INADDR_NONE) {
h = gethostbyname(host);
if (h == NULL || h->h_addr_list[0] == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "host %s not found", host);
return NGX_CONF_ERROR;
}
for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
/* MP: ngx_shared_palloc() */
ngx_test_null(lcf->peers,
ngx_pcalloc(cf->pool,
sizeof(ngx_peers_t)
+ sizeof(ngx_peer_t) * (i - 1)),
NGX_CONF_ERROR);
lcf->peers->number = i;
for (i = 0; h->h_addr_list[i] != NULL; i++) {
lcf->peers->peers[i].host.data = host;
lcf->peers->peers[i].host.len = lcf->upstream->host.len;
lcf->peers->peers[i].addr = *(u_int32_t *)(h->h_addr_list[i]);
lcf->peers->peers[i].port = lcf->upstream->port;
len = INET_ADDRSTRLEN + lcf->upstream->port_text.len + 1;
ngx_test_null(lcf->peers->peers[i].addr_port_text.data,
ngx_palloc(cf->pool, len),
NGX_CONF_ERROR);
len = ngx_inet_ntop(AF_INET,
(char *) &lcf->peers->peers[i].addr,
lcf->peers->peers[i].addr_port_text.data,
len);
lcf->peers->peers[i].addr_port_text.data[len++] = ':';
ngx_cpystrn(lcf->peers->peers[i].addr_port_text.data + len,
lcf->upstream->port_text.data,
lcf->upstream->port_text.len + 1);
lcf->peers->peers[i].addr_port_text.len =
len + lcf->upstream->port_text.len + 1;
}
} else {
/* MP: ngx_shared_palloc() */
ngx_test_null(lcf->peers, ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)),
NGX_CONF_ERROR);
lcf->peers->number = 1;
lcf->peers->peers[0].host.data = host;
lcf->peers->peers[0].host.len = lcf->upstream->host.len;
lcf->peers->peers[0].addr = addr;
lcf->peers->peers[0].port = lcf->upstream->port;
len = lcf->upstream->host.len + lcf->upstream->port_text.len + 1;
ngx_test_null(lcf->peers->peers[0].addr_port_text.data,
ngx_palloc(cf->pool, len + 1),
NGX_CONF_ERROR);
len = lcf->upstream->host.len;
ngx_memcpy(lcf->peers->peers[0].addr_port_text.data,
lcf->upstream->host.data, len);
lcf->peers->peers[0].addr_port_text.data[len++] = ':';
ngx_cpystrn(lcf->peers->peers[0].addr_port_text.data + len,
lcf->upstream->port_text.data,
lcf->upstream->port_text.len + 1);
}
ctx = cf->ctx;
clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
lcf->upstream->location = &clcf->name;
clcf->handler = ngx_http_proxy_handler;
return NULL;
}
static char *ngx_http_proxy_parse_upstream(ngx_str_t *url,
ngx_http_proxy_upstream_t *u)
{
size_t i;
if (url->data[0] == ':' || url->data[0] == '/') {
return "invalid upstream URL";
}
u->host.data = url->data;
u->host_header.data = url->data;
for (i = 1; i < url->len; i++) {
if (url->data[i] == ':') {
u->port_text.data = &url->data[i] + 1;
u->host.len = i;
}
if (url->data[i] == '/') {
u->uri.data = &url->data[i];
u->uri.len = url->len - i;
u->host_header.len = i;
if (u->host.len == 0) {
u->host.len = i;
}
if (u->port_text.data == NULL) {
u->port = htons(80);
u->port_text.len = 2;
u->port_text.data = "80";
return NULL;
}
u->port_text.len = &url->data[i] - u->port_text.data;
if (u->port_text.len > 0) {
u->port = ngx_atoi(u->port_text.data, u->port_text.len);
if (u->port > 0) {
u->port = htons((u_short) u->port);
return NULL;
}
}
return "invalid port in upstream URL";
}
}
if (u->host.len == 0) {
u->host.len = i;
}
u->host_header.len = i;
u->uri.data = "/";
u->uri.len = 1;
if (u->port_text.data == NULL) {
u->port = htons(80);
u->port_text.len = 2;
u->port_text.data = "80";
return NULL;
}
u->port_text.len = &url->data[i] - u->port_text.data;
if (u->port_text.len > 0) {
u->port = ngx_atoi(u->port_text.data, u->port_text.len);
if (u->port > 0) {
u->port = htons((u_short) u->port);
return NULL;
}
}
return "invalid port in upstream URL";
}

32
src/http/modules/proxy/ngx_http_proxy_handler.h
View File

@ -9,21 +9,33 @@
typedef struct { typedef struct {
ngx_msec_t connect_timeout; ngx_str_t host;
ngx_msec_t send_timeout; ngx_str_t uri;
ssize_t header_size; ngx_str_t *location;
ngx_msec_t read_timeout; ngx_str_t host_header;
ngx_str_t port_text;
int port;
} ngx_http_proxy_upstream_t;
typedef struct {
ngx_msec_t connect_timeout;
ngx_msec_t send_timeout;
ssize_t header_size;
ngx_msec_t read_timeout;
ngx_bufs_t bufs;
/* STUB */ /* STUB */
int block_size; int max_busy_len;
int max_block_size; int max_temp_file_size;
int max_temp_file_size; int temp_file_write_size;
int temp_file_write_size;
/* */ /* */
ngx_path_t *temp_path; ngx_path_t *temp_path;
ngx_peers_t *peers; ngx_http_proxy_upstream_t *upstream;
ngx_peers_t *peers;
} ngx_http_proxy_loc_conf_t; } ngx_http_proxy_loc_conf_t;

169
src/http/ngx_http_core_module.c
View File

@ -6,9 +6,6 @@
#include <nginx.h> #include <nginx.h>
/* STUB */
int ngx_http_static_handler(ngx_http_request_t *r);
/**/
static void ngx_http_phase_event_handler(ngx_event_t *rev); static void ngx_http_phase_event_handler(ngx_event_t *rev);
static void ngx_http_run_phases(ngx_http_request_t *r); static void ngx_http_run_phases(ngx_http_request_t *r);
@ -304,7 +301,6 @@ static void ngx_http_run_phases(ngx_http_request_t *r)
return; return;
} }
/* TODO: no handlers found ? */
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return; return;
} }
@ -346,164 +342,20 @@ ngx_log_debug(r->connection->log, "rc: %d" _ rc);
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if ((ngx_io.flags & NGX_IO_SENDFILE) == 0 || clcf->sendfile == 0) { if (!(ngx_io.flags & NGX_IO_SENDFILE) || !clcf->sendfile) {
r->filter = NGX_HTTP_FILTER_NEED_IN_MEMORY; r->filter = NGX_HTTP_FILTER_NEED_IN_MEMORY;
} }
return NGX_OK;
}
int ngx_http_core_translate_handler(ngx_http_request_t *r)
{
char *location, *last;
ngx_err_t err;
ngx_table_elt_t *h;
ngx_http_core_srv_conf_t *cscf;
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->handler) { if (clcf->handler) {
/*
* if the location already has content handler then skip
* the translation phase
*/
r->content_handler = clcf->handler; r->content_handler = clcf->handler;
return NGX_OK; r->phase++;
} }
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
if (r->uri.data[r->uri.len - 1] == '/') {
if (r->path.data == NULL) {
ngx_test_null(r->path.data,
ngx_palloc(r->pool,
clcf->doc_root.len + r->uri.len),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_cpystrn(ngx_cpymem(r->path.data, clcf->doc_root.data,
clcf->doc_root.len),
r->uri.data, r->uri.len + 1);
} else {
r->path.data[r->path.len] = '\0';
}
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"directory index of \"%s\" is forbidden", r->path.data);
return NGX_HTTP_FORBIDDEN;
}
/* "+ 2" is for trailing '/' in redirect and '\0' */
ngx_test_null(r->file.name.data,
ngx_palloc(r->pool, clcf->doc_root.len + r->uri.len + 2),
NGX_HTTP_INTERNAL_SERVER_ERROR);
location = ngx_cpymem(r->file.name.data, clcf->doc_root.data,
clcf->doc_root.len),
last = ngx_cpystrn(location, r->uri.data, r->uri.len + 1);
ngx_log_debug(r->connection->log, "HTTP filename: '%s'" _ r->file.name.data);
#if (WIN9X)
/*
* There is no way to open a file or a directory in Win9X with
* one syscall: Win9X has no FILE_FLAG_BACKUP_SEMANTICS flag.
* so we need to check its type before the opening
*/
r->file.info.dwFileAttributes = GetFileAttributes(r->file.name.data);
if (r->file.info.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ERR, r->connection->log, err,
ngx_file_type_n " \"%s\" failed", r->file.name.data);
if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
return NGX_HTTP_NOT_FOUND;
} else if (err == NGX_EACCES) {
return NGX_HTTP_FORBIDDEN;
} else {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
#else
if (r->file.fd == NGX_INVALID_FILE) {
r->file.fd = ngx_open_file(r->file.name.data,
NGX_FILE_RDONLY, NGX_FILE_OPEN);
}
if (r->file.fd == NGX_INVALID_FILE) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
ngx_open_file_n " \"%s\" failed", r->file.name.data);
if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
return NGX_HTTP_NOT_FOUND;
} else if (err == NGX_EACCES) {
return NGX_HTTP_FORBIDDEN;
} else {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
ngx_log_debug(r->connection->log, "FILE: %d" _ r->file.fd);
if (!r->file.info_valid) {
if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
ngx_stat_fd_n " \"%s\" failed", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " \"%s\" failed",
r->file.name.data);
}
r->file.fd = NGX_INVALID_FILE;
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->file.info_valid = 1;
}
#endif
if (ngx_is_dir(r->file.info)) {
ngx_log_debug(r->connection->log, "HTTP DIR: '%s'" _ r->file.name.data);
#if !(WIN9X)
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " \"%s\" failed", r->file.name.data);
}
r->file.fd = NGX_INVALID_FILE;
#endif
/* BROKEN: need to include server name */
ngx_test_null(h, ngx_push_table(r->headers_out.headers),
NGX_HTTP_INTERNAL_SERVER_ERROR);
*last++ = '/';
*last = '\0';
h->key.len = 8;
h->key.data = "Location" ;
h->value.len = last - location;
h->value.data = location;
r->headers_out.location = h;
return NGX_HTTP_MOVED_PERMANENTLY;
}
r->content_handler = ngx_http_static_handler;
return NGX_OK; return NGX_OK;
} }
@ -609,18 +461,15 @@ int ngx_http_delay_handler(ngx_http_request_t *r)
static int ngx_http_core_init(ngx_cycle_t *cycle) static int ngx_http_core_init(ngx_cycle_t *cycle)
{ {
#if 0
ngx_http_handler_pt *h; ngx_http_handler_pt *h;
#endif
ngx_http_conf_ctx_t *ctx; ngx_http_conf_ctx_t *ctx;
ngx_http_core_main_conf_t *cmcf; ngx_http_core_main_conf_t *cmcf;
ctx = (ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index]; ctx = (ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index];
cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
ngx_test_null(h, ngx_push_array(
&cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers),
NGX_ERROR);
*h = ngx_http_core_translate_handler;
#if 0 #if 0
ngx_test_null(h, ngx_push_array( ngx_test_null(h, ngx_push_array(
&cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers), &cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers),

2
src/http/ngx_http_request.c
View File

@ -765,7 +765,7 @@ void ngx_http_finalize_request(ngx_http_request_t *r, int rc)
{ {
ngx_log_debug(r->connection->log, "finalize http request"); ngx_log_debug(r->connection->log, "finalize http request");
if (r->main || r->closed) { if (rc == NGX_DONE || r->main || r->closed) {
return; return;
} }

4
src/http/ngx_http_special_response.c
View File

@ -163,11 +163,11 @@ int ngx_http_special_response_handler(ngx_http_request_t *r, int error)
} else if (error < NGX_HTTP_INTERNAL_SERVER_ERROR) { } else if (error < NGX_HTTP_INTERNAL_SERVER_ERROR) {
/* 4XX */ /* 4XX */
err = error - NGX_HTTP_BAD_REQUEST + 4; err = error - NGX_HTTP_BAD_REQUEST + 3;
} else { } else {
/* 5XX */ /* 5XX */
err = error - NGX_HTTP_INTERNAL_SERVER_ERROR + 4 + 17; err = error - NGX_HTTP_INTERNAL_SERVER_ERROR + 3 + 17;
} }
if (r->keepalive != 0) { if (r->keepalive != 0) {

7
src/os/unix/ngx_recv.c
View File

@ -22,8 +22,8 @@ ssize_t ngx_unix_recv(ngx_connection_t *c, char *buf, size_t size)
if (rev->available == 0) { if (rev->available == 0) {
if (rev->eof) { if (rev->eof) {
rev->ready = 0;
if (rev->error) { if (rev->error) {
rev->ready = 0;
ngx_set_socket_errno(rev->error); ngx_set_socket_errno(rev->error);
return ngx_unix_recv_error(rev, rev->error); return ngx_unix_recv_error(rev, rev->error);
} }
@ -44,7 +44,10 @@ ssize_t ngx_unix_recv(ngx_connection_t *c, char *buf, size_t size)
if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) {
rev->available -= n; rev->available -= n;
if (rev->available <= 0) { if (rev->available <= 0) {
rev->ready = 0; if (!rev->eof) {
rev->ready = 0;
}
if (rev->available < 0) { if (rev->available < 0) {
rev->available = 0; rev->available = 0;
} }