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add h2 implement

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This commit is contained in:
lxsang 2020-01-15 18:27:28 +01:00
parent 357b45aee9
commit 353323f93a
15 changed files with 397 additions and 122 deletions
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6
Makefile.am
View File

@ -21,7 +21,8 @@ libantd_la_SOURCES = lib/ini.c \
lib/ws.c \
lib/sha1.c \
lib/list.c \
lib/scheduler.c
lib/scheduler.c \
lib/h2.c
pkginclude_HEADERS = lib/ini.h \
lib/handle.h \
@ -32,7 +33,8 @@ pkginclude_HEADERS = lib/ini.h \
lib/sha1.h \
lib/list.h \
lib/scheduler.h \
lib/plugin.h
lib/plugin.h \
lib/h2.h
EXTRA_DIST = plugin_manager.h http_server.h README.md LICENSE antd-config.ini

132
http_server.c
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@ -1,5 +1,5 @@
#include "http_server.h"
#include "lib/h2.h"
//define all basic mime here
static mime_t _mimes[] = {
{"image/bmp","bmp"},
@ -302,7 +302,7 @@ void load_config(const char *file)
// put it default mimes
for(int i = 0; _mimes[i].type != NULL; i++)
{
dput(server_config.mimes,_mimes[i].type, strdup(_mimes[i].ext));
dput_static(server_config.mimes,_mimes[i].type, (void*)_mimes[i].ext);
}
if (ini_parse(file, config_handler, &server_config) < 0)
{
@ -327,9 +327,6 @@ void load_config(const char *file)
void *accept_request(void *data)
{
char buf[BUFFLEN];
char *token = NULL;
char *line = NULL;
antd_task_t *task;
antd_request_t *rq = (antd_request_t *)data;
@ -354,22 +351,13 @@ void *accept_request(void *data)
}
if (sel == 0 || (!FD_ISSET(client->sock, &read_flags) && !FD_ISSET(client->sock, &write_flags)))
{
/*if(client->last_wait == 0) client->last_wait = time(NULL);
// retry it later
if(time(NULL) - client->last_wait > MAX_WAIT_S)
{
LOG("Read and write timeout, give up on %d\n", client->sock);
server_config.connection++;
unknow(rq->client);
return task;
}*/
task->handle = accept_request;
return task;
}
// perform the ssl handshake if enabled
#ifdef USE_OPENSSL
int ret = -1, stat;
if (client->ssl && client->status == 0)
if (client->ssl && !(client->flags & CLIENT_FL_ACCEPTED) )
{
//LOG("Atttempt %d\n", client->attempt);
if (SSL_accept((SSL *)client->ssl) == -1)
@ -380,27 +368,17 @@ void *accept_request(void *data)
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_NONE:
//LOG("RETRY SSL %d\n", client->sock);
/*if(client->last_wait == 0) client->last_wait = time(NULL);
if(time(NULL) - client->last_wait > MAX_WAIT_S)
{
server_config.connection++;
unknow(rq->client);
LOG("SSL timeout, give up on %d\n", client->sock);
return task;
}
task->status = TASK_ACCEPT_SSL_CONT;*/
task->handle = accept_request;
return task;
default:
ERROR("Error performing SSL handshake %d %d %s", stat, ret, ERR_error_string(ERR_get_error(), NULL));
antd_error(rq->client, 400, "Invalid SSL request");
//server_config.connection++;
ERR_print_errors_fp(stderr);
return task;
}
}
client->status = 1;
client->flags |= CLIENT_FL_ACCEPTED;
task->handle = accept_request;
//LOG("Handshake finish for %d\n", client->sock);
return task;
@ -409,54 +387,22 @@ void *accept_request(void *data)
{
if (!FD_ISSET(client->sock, &read_flags))
{
/*if(client->last_wait == 0) client->last_wait = time(NULL);
if(time(NULL) - client->last_wait > MAX_WAIT_S)
{
server_config.connection++;
unknow(rq->client);
LOG("Read timeout, give up on %d\n", client->sock);
return task;
}*/
client->flags |= CLIENT_FL_ACCEPTED;
task->handle = accept_request;
return task;
}
}
#endif
//LOG("Ready for reading %d\n", client->sock);
//server_config.connection++;
read_buf(rq->client, buf, sizeof(buf));
line = buf;
// get the method string
token = strsep(&line, " ");
if (!line)
//printf("Flag: %d\n", client->flags);
// now return the task base on the http version
if(client->flags & CLIENT_FL_HTTP_1_1)
{
//LOG("No method found");
antd_error(rq->client, 405, "No method found");
return task;
}
trim(token, ' ');
trim(line, ' ');
dput(rq->request, "METHOD", strdup(token));
// get the request
token = strsep(&line, " ");
if (!line)
{
//LOG("No request found");
antd_error(rq->client, 400, "Bad request");
return task;
}
trim(token, ' ');
trim(line, ' ');
trim(line, '\n');
trim(line, '\r');
dput(rq->request, "PROTOCOL", strdup(line));
dput(rq->request, "REQUEST_QUERY", strdup(token));
line = token;
token = strsep(&line, "?");
dput(rq->request, "REQUEST_PATH", url_decode(token));
// decode request
// now return the task
task->handle = decode_request_header;
}
else
{
task->handle = antd_h2_preface_ck;
}
return task;
}
@ -533,7 +479,7 @@ void *resolve_request(void *data)
// find an handler plugin to process it
// if the plugin is not found, forbidden access to the file should be sent
char *mime_type = mime(path);
dput(rq->request, "RESOURCE_MIME", strdup(mime_type));
dput_static(rq->request, "RESOURCE_MIME", mime_type);
if (strcmp(mime_type, "application/octet-stream") == 0)
{
char *ex = ext(path);
@ -712,7 +658,7 @@ void *serve_file(void *data)
rhd.cookie = NULL;
rhd.status = 200;
rhd.header = dict();
dput(rhd.header, "Content-Type", strdup(mime_type));
dput_static(rhd.header, "Content-Type", mime_type);
#ifdef USE_ZLIB
if(!compressable(mime_type) || rq->client->z_level == ANTD_CNONE)
#endif
@ -720,7 +666,7 @@ void *serve_file(void *data)
gmtime_r(&st.st_ctime, &tm);
strftime(ibuf, 255, "%a, %d %b %Y %H:%M:%S GMT", &tm);
dput(rhd.header, "Last-Modified", strdup(ibuf));
dput(rhd.header, "Cache-Control", strdup("no-cache"));
dput_static(rhd.header, "Cache-Control", "no-cache");
antd_send_header(rq->client, &rhd);
__f(rq->client, path);
@ -818,12 +764,48 @@ void *decode_request_header(void *data)
char *query = NULL;
char *host = NULL;
char buf[2 * BUFFLEN];
// read the first line
//server_config.connection++;
read_buf(rq->client, buf, sizeof(buf));
line = buf;
trim(line, '\n');
trim(line, '\r');
// get the method string
token = strsep(&line, " ");
if (!line)
{
//LOG("No method found");
antd_error(rq->client, 405, "No method found");
return antd_create_task(NULL, (void *)rq, NULL,rq->client->last_io);
}
trim(token, ' ');
trim(line, ' ');
dput(rq->request, "METHOD", strdup(token));
// get the request
token = strsep(&line, " ");
if (!line)
{
//LOG("No request found");
antd_error(rq->client, 400, "Bad request");
return antd_create_task(NULL, (void *)rq, NULL,rq->client->last_io);
}
trim(token, ' ');
trim(line, ' ');
trim(line, '\n');
trim(line, '\r');
dput(rq->request, "PROTOCOL", strdup(line));
dput(rq->request, "REQUEST_QUERY", strdup(token));
line = token;
token = strsep(&line, "?");
dput(rq->request, "REQUEST_PATH", url_decode(token));
char *url = (char *)dvalue(rq->request, "REQUEST_QUERY");
dictionary_t xheader = dvalue(rq->request, "REQUEST_HEADER");
dictionary_t request = dvalue(rq->request, "REQUEST_DATA");
char* port_s = (char*) dvalue(xheader, "SERVER_PORT");
port_config_t* pcnf = (port_config_t*)dvalue(server_config.ports, port_s);
// first real all header
// this for check if web socket is enabled
while ((read_buf(rq->client, buf, sizeof(buf))) && strcmp("\r\n", buf))
{
@ -937,7 +919,7 @@ void *decode_request(void *data)
// insert wsocket flag to request
// plugin should handle this ugraded connection
// not the server
dput(rq->request, "__web_socket__", strdup("1"));
dput_static(rq->request, "__web_socket__", "1");
}
// resolve task
task->handle = resolve_request;
@ -1002,8 +984,8 @@ void *decode_post_request(void *data)
key = ctype;
if(pquery)
{
dput(request, key, strdup(pquery));
free(pquery);
dput(request, key, pquery);
//free(pquery);
}
}
return task;

5
http_server.h
View File

@ -24,9 +24,7 @@ void destroy_config();
void load_config(const char* file);
void* accept_request(void*);
void* finish_request(void*);
void cat(void*, FILE *);
void cannot_execute(void*);
//int get_line(int, char *, int);
void* serve_file(void*);
int startup(unsigned *);
int rule_check(const char*, const char*, const char* , const char* , const char* , char*);
@ -41,7 +39,6 @@ void* decode_multi_part_request(void*,const char*);
void* decode_multi_part_request_data(void* data);
void decode_cookie(const char*, dictionary_t d);
char* post_data_decode(void*,int);
void set_nonblock(int);
void* execute_plugin(void* data, const char *path);
#endif

94
httpd.c
View File

@ -2,6 +2,7 @@
#include <dirent.h>
#include "http_server.h"
#include "lib/ini.h"
#define MAX_VALIDITY_INTERVAL 20
static antd_scheduler_t scheduler;
@ -42,7 +43,8 @@ SSL_CTX *create_context()
}
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
static unsigned char antd_protocols[] = {
//TODO: add support to HTTP/2 protocol: 2,'h', '2',
//TODO: add support to HTTP/2 protocol:
2,'h', '2',
8, 'h', 't', 't', 'p', '/', '1', '.', '1'
};
static int alpn_advertise_protos_cb(SSL *ssl, const unsigned char **out, unsigned int *outlen,void *arg)
@ -55,10 +57,28 @@ static int alpn_advertise_protos_cb(SSL *ssl, const unsigned char **out, unsigne
}
static int alpn_select_cb(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
{
UNUSED(ssl);
UNUSED(arg);
char buf[64];
if(SSL_select_next_proto((unsigned char **)out, outlen,antd_protocols,sizeof(antd_protocols),in, inlen) == OPENSSL_NPN_NEGOTIATED)
{
// set client flag to indicate protocol
int sock = SSL_get_fd(ssl);
if(sock <= 0)
{
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
antd_client_t* client = SSL_get_ex_data(ssl, sock);
if(!client)
{
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
memcpy(buf,*out,*outlen);
buf[*outlen] = '\0';
if(strcmp(buf,"http/1.1") !=0 )
{
client->flags &= ~CLIENT_FL_HTTP_1_1;
}
return SSL_TLSEXT_ERR_OK;
}
else
@ -120,6 +140,11 @@ void configure_context(SSL_CTX *ctx)
#endif
void schedule_task(antd_task_t* task)
{
antd_add_task(&scheduler, task);
}
void stop_serve(int dummy) {
UNUSED(dummy);
@ -148,6 +173,52 @@ void stop_serve(int dummy) {
sigprocmask(SIG_UNBLOCK, &mask, NULL);
}
static int validate_data(antd_task_t* task)
{
if(difftime( time(NULL), task->access_time) > MAX_VALIDITY_INTERVAL)
return 0;
return 1;
}
static int is_task_ready(antd_task_t* task)
{
antd_request_t* rq = (antd_request_t*)task->data;
if(!rq) return 0;
// check if data is ready for read/write
fd_set read_flags, write_flags;
struct timeval timeout;
FD_ZERO(&read_flags);
FD_SET(rq->client->sock, &read_flags);
FD_ZERO(&write_flags);
FD_SET(rq->client->sock, &write_flags);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
int sel = select(rq->client->sock + 1, &read_flags, &write_flags, (fd_set *)0, &timeout);
if(sel > 0 && (FD_ISSET(rq->client->sock, &read_flags)|| FD_ISSET(rq->client->sock, &write_flags)))
{
if(FD_ISSET(rq->client->sock, &read_flags))
{
rq->client->flags |= CLIENT_FL_READABLE;
}
else
{
rq->client->flags &= ~CLIENT_FL_READABLE;
}
if(FD_ISSET(rq->client->sock, &write_flags))
{
rq->client->flags |= CLIENT_FL_WRITABLE;
}
else
{
rq->client->flags &= ~CLIENT_FL_WRITABLE;
}
return 1;
}
return 0;
}
int main(int argc, char* argv[])
{
// load the config first
@ -207,15 +278,16 @@ int main(int argc, char* argv[])
}
// default to 4 workers
antd_scheduler_init(&scheduler, conf->n_workers);
scheduler.validate_data = 1;
scheduler.validate_data = validate_data;
scheduler.destroy_data = finish_request;
// use blocking server_sock
scheduler.task_ready = is_task_ready;
// make the scheduler wait for event on another thread
// this allow to ged rid of high cpu usage on
// endless loop without doing anything
// set_nonblock(server_sock);
pthread_t scheduler_th;
if (pthread_create(&scheduler_th, NULL,(void *(*)(void *))antd_wait, (void*)&scheduler) != 0)
if (pthread_create(&scheduler_th, NULL,(void *(*)(void *))antd_scheduler_wait, (void*)&scheduler) != 0)
{
ERROR("pthread_create: cannot create worker");
stop_serve(0);
@ -237,7 +309,6 @@ int main(int argc, char* argv[])
{
if(conf->connection > conf->maxcon)
{
//ERROR("Reach max connection %d", conf->connection);
timeout.tv_sec = 0;
timeout.tv_usec = 10000; // 5 ms
select(0, NULL, NULL, NULL, &timeout);
@ -300,8 +371,9 @@ int main(int argc, char* argv[])
client->sock = client_sock;
time(&client->last_io);
client->ssl = NULL;
// default selected protocol is http/1.1
client->flags = CLIENT_FL_HTTP_1_1;
#ifdef USE_OPENSSL
client->status = 0;
if(pcnf->usessl == 1)
{
client->ssl = (void*)SSL_new(ctx);
@ -313,12 +385,6 @@ int main(int argc, char* argv[])
{
ERROR("Cannot set ex data to ssl client:%d", client->sock);
}
/*if (SSL_accept((SSL*)client->ssl) <= 0) {
LOG("EROOR accept\n");
ERR_print_errors_fp(stderr);
antd_close(client);
continue;
}*/
}
#endif
conf->connection++;

41
lib/dictionary.c
View File

@ -23,6 +23,7 @@ THE SOFTWARE.
*/
#include "dictionary.h"
#include "utils.h"
#include "list.h"
dictionary_t dict()
{
@ -66,8 +67,13 @@ chain_t __put_el_with_key(dictionary_t dic, const char* key)
if(dic->map == NULL) return NULL;
if ((np = dlookup(dic,key)) == NULL) { /* not found */
np = (chain_t) malloc(sizeof(*np));
if (np == NULL || (np->key = strdup(key)) == NULL)
if (np == NULL)
return NULL;
if((np->key = strdup(key)) == NULL)
{
free(np);
return NULL;
}
np->value = NULL;
hashval = hash(key, dic->cap);
np->next = dic->map[hashval];
@ -77,18 +83,43 @@ chain_t __put_el_with_key(dictionary_t dic, const char* key)
// found
return np;
}
chain_t dput(dictionary_t dic,const char* key, void* value)
static void free_ditem_value(void* value, antd_dict_item_type_t type)
{
switch (type)
{
case ANTD_DI_HEAP:
if(value)
free(value);
break;
case ANTD_DI_LIST:
if(value)
list_free((list_t*)&value);
break;
case ANTD_DI_DIC:
if(value)
freedict(value);
default:
break;
}
}
chain_t insert(dictionary_t dic,const char* key, void* value, antd_dict_item_type_t type)
{
chain_t np = __put_el_with_key(dic,key);
if(np == NULL)
{
if(value) free(value);
free_ditem_value(value, type);
return NULL;
}
if(np->value && value) free(np->value);
if(np->value && value) free_ditem_value(np->value, np->type);
np->type = type;
np->value = value;
return np;
}
chain_t dremove(dictionary_t dic, const char* key)
{
if(dic->map == NULL) return 0;
@ -131,7 +162,7 @@ void free_association(chain_t * asoc)
if(a->key)
{
free(a->key);
if(a->value) free(a->value);
if(a->value) free_ditem_value(a->value, a->type);
}
free(a);
}

10
lib/dictionary.h
View File

@ -25,18 +25,24 @@ THE SOFTWARE.
#define DICTIONARY_H
#define DHASHSIZE 16
#define dput(d,k,v) (insert(d,k,v,ANTD_DI_HEAP))
#define dput_static(d,k,v) (insert(d,k,v,ANTD_DI_STATIC))
#define dput_list(d,k,v) (insert(d,k,v,ANTD_DI_LIST))
#define dput_dict(d,k,v) (insert(d,k,v,ANTD_DI_DIC))
#define for_each_assoc(assoc, dic) \
for(unsigned int i = 0; i < dic->cap; i++) \
for(assoc = dic->map[i];assoc!= NULL; assoc = assoc->next)
typedef enum{ANTD_DI_STATIC, ANTD_DI_HEAP, ANTD_DI_LIST, ANTD_DI_DIC} antd_dict_item_type_t;
/**
* Dictionary for header
*/
typedef struct __assoc{
struct __assoc *next;
char *key;
antd_dict_item_type_t type;
void* value;
//char *value;
} * chain_t;
typedef chain_t* map_t;
@ -51,7 +57,7 @@ dictionary_t dict();
dictionary_t dict_n(unsigned int n);
chain_t dlookup(dictionary_t,const char*);
void* dvalue(dictionary_t, const char*);
chain_t dput(dictionary_t,const char*, void*);
chain_t insert(dictionary_t,const char*, void*, antd_dict_item_type_t type);
chain_t dremove(dictionary_t, const char*);
void freedict(dictionary_t);

101
lib/h2.c Normal file
View File

@ -0,0 +1,101 @@
#include "h2.h"
#include "scheduler.h"
void* antd_h2_preface_ck(void* data)
{
char buf[25];
antd_request_t* rq = (antd_request_t*) data;
int count = antd_recv(rq->client,buf,24);
if(count != 24)
{
// TODO servers MUST treat an invalid connection preface as a
// connection error (Section 5.4.1) of type PROTOCOL_ERROR
ERROR("Unable to read preface for client %d: [%s]",rq->client->sock,buf);
return antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
}
buf[24] = '\0';
if(strcmp(buf, H2_CONN_PREFACE) != 0)
{
ERROR("Connection preface is not correct for client %d: [%s]",rq->client->sock,buf);
// TODO servers MUST treat an invalid connection preface as a
// connection error (Section 5.4.1) of type PROTOCOL_ERROR
return antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
}
return antd_create_task(antd_h2_handle, (void *)rq, NULL, rq->client->last_io);
}
void* antd_h2_handle(void* data)
{
antd_request_t* rq = (antd_request_t*) data;
antd_task_t* task;
if(rq->client->flags & CLIENT_FL_READABLE)
{
task = antd_create_task(antd_h2_read,(void *)rq, NULL, rq->client->last_io);
task->priority++;
schedule_task(task);
}
if(rq->client->flags & CLIENT_FL_WRITABLE)
{
task = antd_create_task(antd_h2_write,(void *)rq, NULL, rq->client->last_io);
task->priority++;
schedule_task(task);
}
task = antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
task->priority++;
return task;
}
static int antd_h2_read_frame(antd_client_t* cl, antd_h2_frame_t* frame)
{
uint8_t tmp;
frame->length = 0;
frame->type = 0;
frame->flags = 0;
frame->identifier= 0;
if( antd_recv(cl,& frame->length,24) != 24) return 0;
printf("length is %d\n", frame->length);
// TODO:
// Values greater than 2^14 (16,384) MUST NOT be
// sent unless the receiver has set a larger value for
// SETTINGS_MAX_FRAME_SIZE.
if( antd_recv(cl,& frame->type,8) != 8) return 0;
printf("type is %d\n", frame->type);
if( antd_recv(cl,& frame->flags,8) != 8) return 0;
if( antd_recv(cl,& tmp,1) != 1) return 0;
// identifier
if( antd_recv(cl,& frame->identifier,31) != 31) return 0;
frame->data = (uint8_t*) malloc(frame->length);
if(!frame->data) return 0;
if( antd_recv(cl,frame->data, frame->length) != frame->length)
{
free(frame->data);
return 0;
}
return 1;
}
void* antd_h2_read(void* data)
{
antd_h2_frame_t frame;
antd_request_t* rq = (antd_request_t*) data;
antd_task_t* task;
if(!antd_h2_read_frame(rq->client, &frame))
{
// TODO: frame error
printf("error reading frame\n");
ERROR("Unable to read frame from client %d",rq->client->sock);
task = antd_create_task(NULL, (void *)rq, NULL, time(NULL));
task->priority++;
return task;
}
// verify frame
printf("Frame type: %d\n", frame.type & 0xff);
return antd_create_task(NULL, data, NULL, time(NULL));
}
void* antd_h2_write(void* data)
{
printf("write task\n");
return antd_create_task(NULL, data, NULL, time(NULL));
}

57
lib/h2.h Normal file
View File

@ -0,0 +1,57 @@
#ifndef HTTP2_H
#define HTTP2_H
#include "handle.h"
#include "hpack.h"
#define H2_CONN_PREFACE "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
#define H2_FRM_DATA 0x0
#define H2_FRM_HEADER 0x1
#define H2_FRM_PRIORITY 0x2
#define H2_FRM_RST_STREAM 0x3
#define H2_FRM_SETTINGS 0x4
#define H2_FRM_PUSH_PROMISE 0x5
#define H2_FRM_PING 0x6
#define H2_FRM_GOAWAY 0x7
#define H2_FRM_WINDOW_UPDATE 0x8
#define H2_FRM_CONTINUATION 0x9
/**
* Struct that holds a
* h2 connection
*/
typedef struct {
} antd_h2_conn_t;
/**
* Struct that holds a
* h2 stream
*/
typedef struct {
} antd_h2_stream_t;
/**
* a H2 frame
*/
typedef struct {
// 24 bits length
unsigned int length;
// 8 bits type
uint8_t type;
// 8 bits flags
uint8_t flags;
// 31 bits identifier
unsigned int identifier;
uint8_t* data;
} antd_h2_frame_t;
void* antd_h2_read(void* rq);
void* antd_h2_write(void* rq);
void* antd_h2_preface_ck(void* rq);
void* antd_h2_handle(void* rq);
#endif

17
lib/handle.c
View File

@ -1,4 +1,5 @@
#include "handle.h"
#define HTML_TPL "<HTML><HEAD><TITLE>%s</TITLE></HEAD><BODY><h2>%s</h2></BODY></HTML>"
static const char* S_100 = "Continue";
@ -82,6 +83,11 @@ int compressable(char* ctype)
return 0;
}
void schedule_task(antd_task_t* task)
{
UNUSED(task);
}
void htdocs(antd_request_t* rq, char* dest)
{
dictionary_t xheader = (dictionary_t)dvalue(rq->request, "REQUEST_HEADER");
@ -210,7 +216,7 @@ void antd_send_header(void* cl, antd_response_header_t* res)
}
else
{
client->status = Z_NO_FLUSH;
//client->status = Z_NO_FLUSH;
dput(res->header,"Content-Encoding", strdup("gzip"));
}
}
@ -224,7 +230,7 @@ void antd_send_header(void* cl, antd_response_header_t* res)
}
else
{
client->status = Z_NO_FLUSH;
//client->status = Z_NO_FLUSH;
dput(res->header,"Content-Encoding", strdup("deflate"));
}
}
@ -282,6 +288,7 @@ int antd_send(void *src, const void* data_in, int len_in)
antd_client_t * source = (antd_client_t *) src;
#ifdef USE_ZLIB
int status = (source->flags & CLIENT_FL_COMPRESSION_END)?Z_NO_FLUSH:Z_FINISH;
if(source->zstream && source->z_level != ANTD_CNONE)
{
antd_compress_t current_zlevel = source->z_level;
@ -296,7 +303,7 @@ int antd_send(void *src, const void* data_in, int len_in)
{
zstream->avail_out = BUFFLEN;
zstream->next_out = buf;
if(deflate(zstream, source->status) == Z_STREAM_ERROR)
if(deflate(zstream,status) == Z_STREAM_ERROR)
{
source->z_level = current_zlevel;
data = NULL;
@ -643,9 +650,9 @@ int antd_close(void* src)
//TODO: send finish data to the socket before quit
if(source->zstream)
{
if(source->status == Z_NO_FLUSH && source->z_level != ANTD_CNONE)
if(!(source->flags & CLIENT_FL_COMPRESSION_END) && source->z_level != ANTD_CNONE)
{
source->status = Z_FINISH;
source->flags |= CLIENT_FL_COMPRESSION_END;
antd_send(source, "", 0);
}
deflateEnd(source->zstream);

17
lib/handle.h
View File

@ -21,6 +21,7 @@
#include "dictionary.h"
#include "list.h"
#include "ini.h"
#include "scheduler.h"
#define SERVER_NAME "Antd"
#define IS_POST(method) (strcmp(method,"POST")== 0)
@ -37,7 +38,12 @@
typedef enum {ANTD_CGZ, ANTD_CDEFL, ANTD_CNONE} antd_compress_t;
//extern config_t server_config;
// define the client flag
#define CLIENT_FL_ACCEPTED 0x01
#define CLIENT_FL_COMPRESSION_END 0x02
#define CLIENT_FL_HTTP_1_1 0x04
#define CLIENT_FL_READABLE 0x08
#define CLIENT_FL_WRITABLE 0x10
typedef struct {
unsigned int port;
@ -50,9 +56,9 @@ typedef struct {
typedef struct{
int sock;
void* ssl;
int status;
uint8_t flags;
time_t last_io;
// compress
// compress option
antd_compress_t z_level;
void* zstream;
} antd_client_t;
@ -108,14 +114,15 @@ typedef struct {
int raw_body;
} plugin_header_t;
// some functions that allows access to server
// private data
int __attribute__((weak)) require_plugin(const char*);
void __attribute__((weak)) htdocs(antd_request_t* rq, char* dest);
void __attribute__((weak)) dbdir(char* dest);
void __attribute__((weak)) tmpdir(char* dest);
void __attribute__((weak)) plugindir(char* dest);
int __attribute__((weak)) compressable(char* ctype);
void __attribute__((weak)) schedule_task(antd_task_t* task);
void set_nonblock(int socket);
//void set_block(int socket);

1
lib/hpack.c Normal file
View File

@ -0,0 +1 @@
#include "hpack.h"

6
lib/hpack.h Normal file
View File

@ -0,0 +1,6 @@
#ifndef HPACK_H
#define HPACK_H
// HPACK header compression implementation
#endif

17
lib/scheduler.c
View File

@ -155,8 +155,9 @@ void antd_scheduler_init(antd_scheduler_t* scheduler, int n)
scheduler->status = 1;
scheduler->workers_queue = NULL;
scheduler->pending_task = 0 ;
scheduler->validate_data = 0;
scheduler->validate_data = NULL;
scheduler->destroy_data = NULL;
scheduler->task_ready = NULL;
// init semaphore
scheduler->scheduler_sem = sem_open("scheduler", O_CREAT, 0600, 0);
if (scheduler->scheduler_sem == SEM_FAILED)
@ -323,7 +324,7 @@ int antd_task_schedule(antd_scheduler_t* scheduler)
}
// has the task now
// validate the task
if(scheduler->validate_data && difftime( time(NULL), it->task->access_time) > MAX_VALIDITY_INTERVAL)
if(scheduler->validate_data && ! scheduler->validate_data(it->task))
{
// data task is not valid
LOG("Task data is not valid, task will be killed");
@ -336,6 +337,16 @@ int antd_task_schedule(antd_scheduler_t* scheduler)
return 0;
}
// check if the task is ready
if(scheduler->task_ready && !scheduler->task_ready(it->task))
{
// task is not ready, put it back to the queue
antd_add_task(scheduler, it->task);
free(it);
return 0;
}
// task is ready for execute, now figure out how it will be executed
// check the type of task
if(it->task->type == LIGHT || scheduler->n_workers <= 0)
{
@ -355,7 +366,7 @@ int antd_task_schedule(antd_scheduler_t* scheduler)
}
return 1;
}
void antd_wait(antd_scheduler_t* scheduler)
void antd_scheduler_wait(antd_scheduler_t* scheduler)
{
int stat;
while(scheduler->status)

7
lib/scheduler.h
View File

@ -9,7 +9,7 @@
#define NORMAL_PRIORITY ((int)((N_PRIORITY - 1) / 2))
#define LOW_PRIORITY (N_PRIORITY - 1)
#define HIGH_PRIORITY 0
#define MAX_VALIDITY_INTERVAL 20 // 10 s for task validity
typedef enum
{
LIGHT,
@ -92,7 +92,8 @@ typedef struct
default to NULL
*/
void* (*destroy_data)(void*);
int validate_data;
int (*validate_data)(antd_task_t*);
int (*task_ready)(antd_task_t*);
} antd_scheduler_t;
/*
@ -133,7 +134,7 @@ int antd_task_schedule(antd_scheduler_t *);
/*
wait for event
*/
void antd_wait(antd_scheduler_t *);
void antd_scheduler_wait(antd_scheduler_t *);
antd_callback_t* callback_of( void* (*callback)(void*) );
#endif

2
lib/ws.c
View File

@ -403,7 +403,7 @@ int ws_client_connect(ws_client_t* wsclient, port_config_t pcnf)
}
// will be free
wsclient->antdsock->sock = sock;
wsclient->antdsock->status = 0;
wsclient->antdsock->flags = 0;
wsclient->antdsock->last_io = time(NULL);
wsclient->antdsock->zstream = NULL;
#ifdef USE_OPENSSL