int onData(int epfd,struct epoll_event ev,http_request_r **r)
{
char buf[1024];
void *msg;
int ret;
int j;
memset(buf,0,1024);
ret = recv(ev.data.fd,buf,1024,0);
if(ret==-1)
{
if(errno != EINTR && errno != EAGAIN){
close(ev.data.fd);
ev.data.fd = -1;
perror("error");
}else{
perror("recive error");
}
}
else if(ret==0)
{
close(ev.data.fd);
ev.data.fd = -1;
}
else if(ret>0)
{
struct http_request_r *p;
p = find_http_request(*r,ev.data.fd);
http_request_parse(p,buf);
if(p->is_end==1)
{
struct http_response_r *o;
o = (struct http_response_r *)malloc(sizeof(struct http_response_r));
memset(o,0,sizeof(struct http_response_r));
static_http_response_out(*r,o);
ret = send(ev.data.fd,o->buf,o->size,0);
if(ret<0)
{
perror("send error!");
return -1;
}
ret = send(ev.data.fd,o->body,o->content_length,0);
if(ret<0)
{
perror("send error!");
return -1;
}
delete_http_request(r,ev.data.fd);
close(ev.data.fd);
ev.data.fd=-1;
}
}
return 0;
}
int handle_connection(socket_buf sb)
{
int size;
http_request rst;
char response_head[] = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
char response_fail[] = "HTTP/1.1 404 not found\r\nContent-Type: text/html\r\n\r\n<html><body>request not found</body></html>";
if(http_request_parse(sb->read_buf, &rst) == L_HTTP_FAIL)
return L_HTTP_FAIL;
sb->rb_size = 0;
printf("file:%s\n", rst.file);
if((size = get_file_size(rst.file)) == L_HTTP_FAIL) {
strcpy(sb->write_buf, response_fail);
sb->wb_size = strlen(response_fail);
return L_HTTP_SUCCESS;
}
size += strlen(response_head);
if(size < strlen(response_head))
return L_HTTP_FAIL;
if(socket_write_buf_alloc(sb, size) == L_HTTP_FAIL)
return L_HTTP_FAIL;
strncpy(sb->write_buf, response_head, strlen(response_head));
generate_response(sb->write_buf + strlen(sb->write_buf), rst.file);
sb->wb_size = size;
return L_HTTP_SUCCESS;
}
/*
* Reads an HTTP request from stream (fd), and writes an HTTP response
* containing:
*
* 1) If user requested an existing file, respond with the file
* 2) If user requested a directory and index.html exists in the directory,
* send the index.html file.
* 3) If user requested a directory and index.html doesn't exist, send a list
* of files in the directory with links to each.
* 4) Send a 404 Not Found response.
*/
void handle_files_request(int fd) {
struct http_request*request=http_request_parse(fd);
char*fullpath,*fullfullpath;
struct stat st;
if(0==strcmp("GET",request->method)){
fullpath=conc(server_files_directory,request->path);
if(0==stat(fullpath,&st)){ // file/dir exists
if(S_ISREG(st.st_mode)){ // is file
http_send_file(fd,fullpath);
}else if(S_ISDIR(st.st_mode)){ // is dir
fullfullpath=conc(fullpath,"/index.html");
if(0==stat(fullfullpath,&st)){ // has an index.html
http_send_file(fd,fullfullpath);
}else{ // hasnt. list files
DIR*d=opendir(fullpath);
struct dirent*di;
http_start_response(fd,200);
http_send_header(fd,"Content-type","text/html");
http_end_headers(fd);
while(NULL!=(di=readdir(d)))
http_send_anchor(fd,di->d_name);
}
free(fullfullpath);
}
}else{ // doesnt exist. error 404
http_start_response(fd,404);
http_send_header(fd,"Content-type","text/html");
http_end_headers(fd);
http_send_string(fd,"<center><p>ERROR 404</p></center>");
}
free(fullpath);
}
}
static void
handle_client(int sock)
{
struct http_request con_d;
int r;
char buffer[BUFFSIZE];
int received = -1;
struct http_request *req = &con_d;
while (1)
{
// Receive message
if ((received = read(sock, buffer, BUFFSIZE)) < 0)
panic("failed to read");
memset(req, 0, sizeof(req));
req->sock = sock;
r = http_request_parse(req, buffer);
if (r == -E_BAD_REQ)
send_error(req, 400);
else if (r < 0)
panic("parse failed");
else
send_file(req);
req_free(req);
// no keep alive
break;
}
close(sock);
}
int main()
{
lib_init();
socket_t * server = socket_new();
int port = 5001;
if(-1 == socket_bind(server, port)) {
printf("port %i is busy\n", port);
exit(1);
}
socket_listen(server);
char buf[10000];
socket_t * client = NULL;
while(1)
{
client = socket_accept(server);
socket_read(client, buf, sizeof(buf));
printf("%s",buf);
if (strlen(buf) != 0){
http_request_t rs;
rs = http_request_parse(buf);
if (strcmp(rs.method,"GET") == 0 && strcmp(rs.uri, "/info") == 0 )
{
server_info(client);
}
}
}
return 0;
}
int main(void) {
// initializing first three investors for program to start with
// initializing_END
int PORT = 5000;
lib_init();
winSock = socket_new();
db_t * db = db_new("teacher.db");
// Checking if socket is not busy, closing app if it is
if (socket_bind(winSock, PORT) == SOCKET_ERROR) {
printf("Cannot bind %i port\n", PORT);
socket_close(winSock);
socket_free(winSock);
return 0;
}
socket_listen(winSock);
char buf[10000];
socket_t * client = NULL;
// main cycle of the program
while (1) {
printf("Awaiting for connections...\n");
client = socket_accept(winSock);
// Checking if client is not null, closing app if he is
if (client == NULL) {
printf("NULL client, closing app...\n");
break;
}
int readStatus = socket_read(client, buf, sizeof(buf));
// Skipping empty request (may appear from time to time)
if (readStatus <= 0) {
printf("Empty request, skipping...\n");
socket_close(client);
socket_free(client);
continue;
}
// Printing info about the received request to console
printf(">> Got request (readStatus: %i):\n'%s'\n", readStatus, buf);
http_request_t request = http_request_parse(buf);
// check the type/path of request (API/HTML) & analyze the method (GET/POST/DELETE)
// and provide the client with proper answer
server_analyzeRequest(&request, client, db);
socket_free(client);
}
// end of program
socket_close(winSock);
socket_free(winSock);
db_free(db);
lib_free();
return 0;
}
/*
* Reads an HTTP request from stream (fd), and writes an HTTP response
* containing:
*
* 1) If user requested an existing file, respond with the file
* 2) If user requested a directory and index.html exists in the directory,
* send the index.html file.
* 3) If user requested a directory and index.html doesn't exist, send a list
* of files in the directory with links to each.
* 4) Send a 404 Not Found response.
*/
void handle_files_request(int fd)
{
/* YOUR CODE HERE */
struct http_request *request = http_request_parse(fd);
http_start_response(fd, 200);
http_send_header(fd, "Content-type", "text/html");
http_end_headers(fd);
http_send_string(fd, "<center><h1>Welcome to httpserver!</h1><hr><p>Nothing's here yet.</p></center>");
}
/* Receives an HTTP request from socket SOCKFD; returns a decoded KVMessage.
* Returns NULL if there is an error. */
kvrequest_t *kvrequest_recieve(int sockfd) {
kvrequest_t *kvreq = calloc(1, sizeof(kvrequest_t));
kvreq->type = EMPTY;
struct url_params *params = NULL;
struct http_request *req = http_request_parse(sockfd);
if (!req) goto error;
params = url_decode(req->path);
if (!params) goto error;
if (!strcmp(req->method, "GET")) {
if (!params->key) {
kvreq->type = INDEX;
} else {
kvreq->type = GETREQ;
}
} else if (!strcmp(req->method, "PUT")) {
if (!params->key || !params->val) goto error;
kvreq->type = PUTREQ;
} else if (!strcmp(req->method, "DELETE")) {
if (!params->key) goto error;
kvreq->type = DELREQ;
} else if (!strcmp(req->method, "POST")) { /* REGISTER, COMMIT, ABORT */
if (!params->path) goto error;
if (!strcmp(params->path, REGISTER_PATH)) {
if (!params->key || !params->val) goto error;
kvreq->type = REGISTER;
} else if (!strcmp(params->path, COMMIT_PATH)) {
kvreq->type = COMMIT;
} else if (!strcmp(params->path, ABORT_PATH)) {
kvreq->type = ABORT;
}
}
if (kvreq->type == EMPTY)
goto error;
kvreq->key = params->key;
kvreq->val = params->val;
http_request_free(req);
free(params->path);
free(params);
return kvreq;
error:
http_request_free(req);
url_params_free(params);
kvrequest_free(kvreq);
return NULL;
}
int main(){
lib_init();
socket_t * serverSocket = socket_new();
socket_bind(serverSocket, 5000);
socket_listen(serverSocket);
film_maker_t* film_makers[FILM_MAKERS_AMOUNT];
for (int i = 0; i < FILM_MAKERS_AMOUNT; i++) {
film_makers[i] = film_maker_new();
}
parse(film_makers,"XML_format.xml");
while(1) {
socket_t * clientSocket = socket_accept(serverSocket);
char buf[102400];
if(socket_read(clientSocket, buf, 102400) == 0) {
socket_close(clientSocket);
socket_free(clientSocket);
puts("Skipping empty request");
continue;
}
http_request_t req = http_request_parse(buf);
server_reply(clientSocket, req, film_makers);
//puts("fghj");
socket_close(clientSocket);
socket_free(clientSocket);
}
for (int i = 0; i < 3; i++)
film_maker_free(film_makers[i]);
socket_close(serverSocket);
socket_free(serverSocket);
lib_free();
return 0;
}
int main() {
lib_init();
list_t* list=list_new();
lanser * freeLanser[10];
for (int i = 0; i < 10; i++)
freeLanser[i] = Freelanser_new();
// parse(freeLanser);
socket_t * serverSocket = socket_new();
socket_bind(serverSocket, 5000);
socket_listen(serverSocket);
while (1) {
socket_t * clientSocket = socket_accept(serverSocket);
char buf[10000]="";
if (!socket_read(clientSocket, buf, sizeof(buf))) {
puts("Skipping empty request");
socket_close(clientSocket);
socket_free(clientSocket);
continue;
}
http_request_t req = http_request_parse(buf);
server_answer(list,req,clientSocket,freeLanser);
socket_close(clientSocket);
socket_free(clientSocket);
}
socket_close(serverSocket);
socket_free(serverSocket);
lib_free();
list_free(list);
return 0;
}
void server_newHtmlPupil(socket_t * client,list_t * pupils,char * buf,db_t * db){
http_request_t req = http_request_parse(buf);
char * id = (char *)http_request_getArg(&req, "id");
char * name = (char *)http_request_getArg(&req, "name");
char * surname = (char *)http_request_getArg(&req, "surname");
char * score = (char *)http_request_getArg(&req, "score");
char * Class = (char *)http_request_getArg(&req, "class");
char * growth = (char *)http_request_getArg(&req,"growth");
// if(checkInputData(name,surname,birthday,sex,Class,score,year) == 1){
pupil_t * p = pupil_create();
pupil_addInfo(p,db_getNewId(db),name,surname, atoi(Class),atof(score),atof(growth));
printf("%s",pupil_getName(p));
list_push_back(pupils,p);
db_addPupil(db,pupils,buf);
server_sendHtml(client,pupil_getHtml(p,atoi(id)));
// }
}
int main() {
lib_init();
socket_t * server = socket_new();
socket_bind(server, 5000);
socket_listen(server);
char buf[10000];
char pathBuf[256];
socket_t * client = NULL;
while(1) {
client = socket_accept(server);
socket_read(client, buf, sizeof(buf));
if (strlen(buf) == 0)
continue;
printf(">> Got request:\n%s\n", buf);
http_getPath(buf, pathBuf, sizeof(pathBuf));
http_request_t request = http_request_parse(buf);
if (strcmp(request.uri, "/") == 0) {
server_homepage(client);
} else if (strcmp(request.uri, "/database") == 0) {
server_students(client, &request);
}
else if (strcmp(request.uri, "/info") == 0) {
server_info(client);
}
else if (strcmp(request.uri, "/filename") == 0) {
server_file_parse(client);
}
else {
server_notFound(client);
}
socket_free(client);
}
socket_free(server);
lib_free();
return 0;
}
void http_request_startServer(pupils_t pupils){
lib_init();
socket_t * serverSocket = socket_new();
socket_bind(serverSocket, 5000);
socket_listen(serverSocket);
while(1){
puts("Waiting for connections");
socket_t * clientSocket = socket_accept(serverSocket);
puts("New client");
char buff[BUFFER_LENGTH];
int readLength = socket_read(clientSocket, buff, BUFFER_LENGTH);
if(readLength == 0){
socket_close(clientSocket);
socket_free(clientSocket);
puts("Skipping empty request");
continue;
}
printf("Got Request:\n---------------\n%s\n----------------\n", buff);
http_request_t req = http_request_parse(buff);
printf("Method: %s\nURI: %s\n", req.method, req.uri);
puts("Data:");
for(int i = 0; i < req.formLength; i++){
char * kvStr = keyvalue_toString(&req.form[i]);
printf("\t%s\n", kvStr);
free(kvStr);
}
http_request_chooseMethod(req, clientSocket, pupils);
socket_close(clientSocket);
socket_free(clientSocket);
}
socket_close(serverSocket);
socket_free(serverSocket);
lib_free();
}
static int http_request_parse_request_line(struct http_request_parser *parser,
pool_t pool)
{
struct http_message_parser *_parser = &parser->parser;
const unsigned char *begin;
size_t size, old_bytes = 0;
int ret;
while ((ret = i_stream_read_data(_parser->input, &begin, &size,
old_bytes)) > 0) {
_parser->cur = begin;
_parser->end = _parser->cur + size;
if ((ret = http_request_parse(parser, pool)) < 0)
return -1;
i_stream_skip(_parser->input, _parser->cur - begin);
if (ret > 0)
return 1;
old_bytes = i_stream_get_data_size(_parser->input);
}
if (ret == -2) {
parser->error_code = HTTP_REQUEST_PARSE_ERROR_BROKEN_REQUEST;
_parser->error = "HTTP request line is too long";
return -1;
}
if (ret < 0) {
if (_parser->input->eof &&
parser->state == HTTP_REQUEST_PARSE_STATE_INIT)
return 0;
parser->error_code = HTTP_REQUEST_PARSE_ERROR_BROKEN_STREAM;
_parser->error = "Broken stream";
return -1;
}
return 0;
}
int main()
{
lib_init();
socket_t * server = socket_new();
socket_bind(server, 5000);
socket_listen(server);
char buf[10000];
char pathBuf[256];
socket_t * client = NULL;
while(1)
{
client = socket_accept(server);
socket_read(client, buf, sizeof(buf));
http_request_t rs;
rs = http_request_parse(buf);
server_reply(client,rs);
}
socket_free(server);
socket_free(client);
lib_free();
return 0;
}
int main()
{
db_t* base = db_new("workers.db");
lib_init();
socket_t* server = socket_new();
socket_bind(server, PORT);
socket_listen(server);
char buffer[10000];
while(true)
{
puts("Waiting for client...!");
socket_t* client = socket_accept(server);
if(socket_read(client, buffer, sizeof(buffer)) <= 0)
{
socket_close(client);
socket_free(client);
continue;
}
printf("Request:\n%s\n", buffer);
http_request_t request = http_request_parse(buffer);
server_answerRequest(request, client, base);
socket_free(client);
}
socket_free(server);
lib_free();
db_free(base);
return 0;
}
int main() {
lib_init();
socket_t * server = socket_new();
socket_bind(server, 5000);
socket_listen(server);
char buf[10000];
char pathBuf[256];
socket_t * client = NULL;
while(1) {
client = socket_accept(server);
socket_read(client, buf, sizeof(buf));
if (strlen(buf) == 0)
continue;
printf(">> Got request:\n%s\n", buf);
http_getPath(buf, pathBuf, sizeof(pathBuf));
http_request_t request = http_request_parse(buf);
if (strcmp(request.uri, "/") == 0) {
server_homepage(client);
} else if (strcmp(request.uri, "/api/admins") == 0) {
server_database(client);
} else if (strcmp(request.uri, "/api/admins/") > 0) {
server_database_id(client, &request);
} else {
error_massage(client, "404 - NOT FOUND!");
}
socket_free(client);
}
socket_free(server);
lib_free();
return 0;
}
int connection_state_machine(server *srv, connection *con) {
int done = 0, r;
#ifdef USE_OPENSSL
server_socket *srv_sock = con->srv_socket;
#endif
chunkqueue *dst_cq = con->request_content_queue;
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at start",
con->fd,
connection_get_state(con->state));
}
while (done == 0) {
size_t ostate = con->state;
int b;
switch (con->state) {
case CON_STATE_REQUEST_START: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
con->request_count++;
con->loops_per_request = 0;
connection_set_state(srv, con, CON_STATE_READ);
/* patch con->conf.is_ssl if the connection is a ssl-socket already */
#ifdef USE_OPENSSL
con->conf.is_ssl = srv_sock->is_ssl;
#endif
break;
case CON_STATE_REQUEST_END: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
if (http_request_parse(srv, con)) {
/* we have to read some data from the POST request */
connection_set_state(srv, con, CON_STATE_READ_POST);
break;
}
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case CON_STATE_HANDLE_REQUEST:
/*
* the request is parsed
*
* decided what to do with the request
* -
*
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
switch (r = http_response_prepare(srv, con)) {
case HANDLER_FINISHED:
if (con->mode == DIRECT) {
if (con->http_status == 404 ||
con->http_status == 403) {
/* 404 error-handler */
if (con->in_error_handler == 0 &&
(!buffer_is_empty(con->conf.error_handler) ||
!buffer_is_empty(con->error_handler))) {
/* call error-handler */
con->error_handler_saved_status = con->http_status;
//log_error_write(srv, __FILE__, __LINE__, "s", "http_status set to 0");
con->http_status = 0;
if (buffer_is_empty(con->error_handler)) {
buffer_copy_string_buffer(con->request.uri, con->conf.error_handler);
} else {
buffer_copy_string_buffer(con->request.uri, con->error_handler);
}
buffer_reset(con->physical.path);
con->in_error_handler = 1;
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
done = -1;
break;
} else if (con->in_error_handler) {
/* error-handler is a 404 */
con->http_status = con->error_handler_saved_status;
}
} else if (con->in_error_handler) {
/* error-handler is back and has generated content */
/* if Status: was set, take it otherwise use 200 */
}
}
if (con->http_status == 0) con->http_status = 200;
/* we have something to send, go on */
connection_set_state(srv, con, CON_STATE_RESPONSE_START);
break;
case HANDLER_WAIT_FOR_FD:
srv->want_fds++;
fdwaitqueue_append(srv, con);
connection_set_state(srv, con, CON_STATE_READ_POST);
break;
case HANDLER_COMEBACK:
done = -1;
case HANDLER_WAIT_FOR_EVENT:
/* come back here */
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case HANDLER_ERROR:
/* something went wrong */
connection_set_state(srv, con, CON_STATE_ERROR);
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd", "unknown ret-value: ", con->fd, r);
break;
}
break;
case CON_STATE_RESPONSE_START:
/*
* the decision is done
* - create the HTTP-Response-Header
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
if (-1 == connection_handle_write_prepare(srv, con)) {
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
if (con->http_status = 416){
//log_error_write(srv, __FILE__, __LINE__, "s", "Resetting read_queue");
chunkqueue_reset(con->read_queue);
}
connection_set_state(srv, con, CON_STATE_WRITE);
break;
case CON_STATE_RESPONSE_END: /* transient */
/* log the request */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
plugins_call_handle_request_done(srv, con);
srv->con_written++;
if (con->keep_alive) {
connection_set_state(srv, con, CON_STATE_REQUEST_START);
#if 0
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
#endif
} else {
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sd", "unhandling return value", r);
break;
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
switch (SSL_shutdown(con->ssl)) {
case 1:
/* done */
break;
case 0:
/* wait for fd-event
*
* FIXME: wait for fdevent and call SSL_shutdown again
*
*/
break;
default:
log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
ERR_error_string(ERR_get_error(), NULL));
}
}
#endif
connection_close(srv, con);
srv->con_closed++;
}
connection_reset(srv, con);
break;
case CON_STATE_CONNECT:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/*
if (con->read_queue != NULL) {
chunk *c;
size_t avail = 0;
for (c= con->read_queue->first; c != NULL; c = c->next) {
if(c->type == MEM_CHUNK)
avail += c->mem->used - c->offset -1;
}
log_error_write(srv, __FILE__, __LINE__, "sd", "con->read_queue is not empty!", avail);
}*/
chunkqueue_reset(con->read_queue);
con->request_count = 0;
break;
case CON_STATE_CLOSE:
//log_error_write(srv, __FILE__, __LINE__, "so", "con->range_offset", con->range_offset);
//log_error_write(srv, __FILE__, __LINE__, "sdsd", "CON_STATE_ERROR: Bytes in", dst_cq->bytes_in, "Bytes out", dst_cq->bytes_out);
/* Flush out any data that is currently sitting in the chunqueue */
if ((dst_cq->bytes_in - dst_cq->bytes_out) > 0) {
log_error_write(srv, __FILE__, __LINE__, "sd", "Flush data, handle remaining chunks", dst_cq->bytes_in);
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
if (con->keep_alive) {
if (ioctl(con->fd, FIONREAD, &b)) {
log_error_write(srv, __FILE__, __LINE__, "ss",
"ioctl() failed", strerror(errno));
}
if (b > 0) {
char buf[1024];
log_error_write(srv, __FILE__, __LINE__, "sdd",
"CLOSE-read()", con->fd, b);
/* */
read(con->fd, buf, sizeof(buf));
} else {
/* nothing to read */
con->close_timeout_ts = 0;
}
} else {
con->close_timeout_ts = 0;
}
if (srv->cur_ts - con->close_timeout_ts > 1) {
connection_close(srv, con);
log_error_write(srv, __FILE__, __LINE__, "so", "con->range_offset", con->range_offset);
log_error_write(srv, __FILE__, __LINE__, "sdsd", "CON_STATE_ERROR: Bytes in", dst_cq->bytes_in, "Bytes out", dst_cq->bytes_out);
/* Flush out any data that is currently sitting in the chunqueue */
if ((dst_cq->bytes_in - dst_cq->bytes_out) > 0) {
log_error_write(srv, __FILE__, __LINE__, "sd", "Flush data, handle remaining chunks", dst_cq->bytes_in);
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"connection closed for fd", con->fd);
}
}
break;
case CON_STATE_READ_POST:
case CON_STATE_READ:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
connection_handle_read_state(srv, con);
break;
case CON_STATE_WRITE:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/* only try to write if we have something in the queue */
if (!chunkqueue_is_empty(con->write_queue)) {
#if 0
log_error_write(srv, __FILE__, __LINE__, "dsd",
con->fd,
"packets to write:",
con->write_queue->used);
#endif
}
if (!chunkqueue_is_empty(con->write_queue) && con->is_writable) {
if (-1 == connection_handle_write(srv, con)) {
log_error_write(srv, __FILE__, __LINE__, "ds",
con->fd,
"handle write failed.");
connection_set_state(srv, con, CON_STATE_ERROR);
} else if (con->state == CON_STATE_WRITE) {
con->write_request_ts = srv->cur_ts;
}
}
break;
case CON_STATE_ERROR: /* transient */
//log_error_write(srv, __FILE__, __LINE__, "so", "con->range_offset", con->range_offset);
//log_error_write(srv, __FILE__, __LINE__, "sdsd", "CON_STATE_ERROR: Bytes in", dst_cq->bytes_in, "Bytes out", dst_cq->bytes_out);
/* Flush out any data that is currently sitting in the chunqueue */
if ((dst_cq->bytes_in - dst_cq->bytes_out) > 0) {
log_error_write(srv, __FILE__, __LINE__, "sd", "Flush data, handle remaining chunks", dst_cq->bytes_in);
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
}
/* even if the connection was drop we still have to write it to the access log */
if (con->http_status) {
plugins_call_handle_request_done(srv, con);
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
int ret, ssl_r;
unsigned long err;
ERR_clear_error();
switch ((ret = SSL_shutdown(con->ssl))) {
case 1:
/* ok */
break;
case 0:
ERR_clear_error();
if (-1 != (ret = SSL_shutdown(con->ssl))) break;
/* fall through */
default:
switch ((ssl_r = SSL_get_error(con->ssl, ret))) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
break;
case SSL_ERROR_SYSCALL:
/* perhaps we have error waiting in our error-queue */
if (0 != (err = ERR_get_error())) {
do {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
} while((err = ERR_get_error()));
} else {
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL (error):",
ssl_r, ret, errno,
strerror(errno));
}
break;
default:
while((err = ERR_get_error())) {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
}
break;
}
}
}
ERR_clear_error();
#endif
switch(con->mode) {
case DIRECT:
#if 0
log_error_write(srv, __FILE__, __LINE__, "sd",
"emergency exit: direct",
con->fd);
#endif
break;
default:
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "");
break;
}
break;
}
connection_reset(srv, con);
/* close the connection */
if ((con->keep_alive == 1) &&
(0 == shutdown(con->fd, SHUT_WR))) {
con->close_timeout_ts = srv->cur_ts;
connection_set_state(srv, con, CON_STATE_CLOSE);
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"shutdown for fd", con->fd);
}
} else {
connection_close(srv, con);
}
con->keep_alive = 0;
srv->con_closed++;
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd",
"unknown state:", con->fd, con->state);
break;
}
if (done == -1) {
done = 0;
} else if (ostate == con->state) {
done = 1;
}
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at exit:",
con->fd,
connection_get_state(con->state));
}
switch(con->state) {
case CON_STATE_READ_POST:
case CON_STATE_READ:
case CON_STATE_CLOSE:
fdevent_event_add(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_IN);
break;
case CON_STATE_WRITE:
/* request write-fdevent only if we really need it
* - if we have data to write
* - if the socket is not writable yet
*/
if (!chunkqueue_is_empty(con->write_queue) &&
(con->is_writable == 0) &&
(con->traffic_limit_reached == 0)) {
fdevent_event_add(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_OUT);
} else {
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
}
break;
default:
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
break;
}
return 0;
}
int main()
{
lib_init();
printf("PORT: %i\n\n", PORT);
socket_t * server = socket_new();
socket_bind(server, PORT);
socket_listen(server);
char buffer[10000];
socket_t * client = NULL;
// работа с базой данных
const char * dbFile = "ScrumMaster.db";
db_t * db = db_new(dbFile);
// работа с базой данных
while(1)
{
client = socket_accept(server);
socket_read(client, buffer, sizeof(buffer));
if(strlen(buffer) != 0)
{
printf(">> Got request:\n%s\n", buffer);
http_request_t request = http_request_parse(buffer);
if (strcmp(request.uri, "/") == 0)
{
server_homepage(client);
}
else if (strcmp(request.uri, "/api/ScrumMasters") == 0) // else if (strncmp(request.uri, "/api/ScrumMasters?", 18) == 0)
{
server_masters(client, &request, db);
}
else if (strncmp(request.uri, "/api/ScrumMasters/", 18) == 0)
{
server_mastersByID(client, &request, db);
}
else if (strcmp(request.uri, "/ScrumMasters") == 0)
{
server_mastersHtml(client, &request, db);
}
else if (strncmp(request.uri, "/ScrumMasters/", 14) == 0)
{
server_mastersHtmlByID(client, &request, db);
}
else if (strcmp(request.uri, "/new-ScrumMaster") == 0)
{
server_mastersHtmlPOST(client, &request, db);
}
else
{
server_notFound(client);
}
}
}
db_free(db);
socket_free(client);
socket_free(server);
lib_free();
return 0;
}
void *thread_worker(void *arg)
{
struct thread_info *tinfo = arg;
static char buffer[4096];
int pipe_socket = tinfo->pipe_socket;
// printf("thread %d pipe %d\n", tinfo->thread_num, pipe_socket);
int epoll = epoll_create1(0);
struct epoll_event pipe_event;
pipe_event.data.fd = pipe_socket;
pipe_event.events = EPOLLIN;
if(epoll_ctl(epoll, EPOLL_CTL_ADD, pipe_socket, &pipe_event) == -1) {
perror("Error epoll_ctl connection sock\n");
exit(1);
}
while (1) {
struct epoll_event events[MAX_EVENTS];
int n_events = epoll_wait(epoll, events, MAX_EVENTS, -1);
if(n_events == -1) {
perror("Error epoll_wait\n");
exit(1);
}
for (int i = 0; i < n_events; ++i)
{
if(events[i].data.fd == pipe_socket) {
int accept_socket;
recv_socket_from_pipeline(pipe_socket, &accept_socket);
struct epoll_event new_event;
new_event.data.fd = accept_socket;
new_event.events = EPOLLIN | EPOLLET;
if(epoll_ctl(epoll, EPOLL_CTL_ADD, accept_socket, &new_event) == -1) {
perror("Error epoll_ctl connection sock\n");
exit(1);
}
} else {
int cur_socket = events[i].data.fd;
// printf("socket = %d\n", cur_socket);
ssize_t size = recv(cur_socket, buffer, sizeof(buffer), MSG_NOSIGNAL);
// printf("size = %lu\n", size);
if (size > 0) {
buffer[size] = 0;
// printf("%s", buffer);
struct http_request req;
http_request_init(&req);
struct http_response res;
http_response_init(&res);
int fd;
// struct http_io *w_read = (struct http_io *)watcher;
if(http_request_parse(&req, buffer, size) == -1) {
res.code = _501;
} else if(req.method != GET) {
res.code = _501;
} else {
fd = open(req.path, O_RDONLY);
if(fd == -1) {
res.code = _404;
} else {
res.code = _200;
/* get the size of the file to be sent */
struct stat stat_buf;
fstat(fd, &stat_buf);
res.content_length = stat_buf.st_size;
res.content_type = html;
}
render_header(&res);
send(cur_socket, res.header, strlen(res.header), MSG_NOSIGNAL);
if(res.code == _200) {
ssize_t l;
while((l = read(fd, buffer, sizeof(buffer))) > 0) {
send(cur_socket, buffer, l, MSG_NOSIGNAL);
}
close(fd);
}
}
}
shutdown(cur_socket, SHUT_RDWR);
close(cur_socket);
}
}
}
// sem_post(&semaphore);
return NULL;
}
static void http_check(void) {
http_struct *conn;
#if defined(HAVE_SYS_POLL_H) && !defined(FORCE_SELECT)
static struct pollfd ufds[EVENT_CHUNK];
unsigned long size, i;
#else /* select() */
fd_set w_fdset;
fd_set r_fdset;
struct timeval http_timeout;
int highfd = 0;
#endif /* HAVE_SYS_POLL_H */
#if defined(HAVE_SYS_POLL_H) && !defined(FORCE_SELECT)
size = i = 0;
/* Get size of list we're interested in. */
for (conn = HTTPREQUESTS; conn; conn = conn->next) {
if ((conn->state == STATE_ESTABLISHED) || (conn->state == STATE_SENT))
++size;
}
/* Setup each element now. */
for (conn = HTTPREQUESTS; conn; conn = conn->next) {
if ((conn->state != STATE_ESTABLISHED) && (conn->state != STATE_SENT))
continue;
ufds[i].events = 0;
ufds[i].revents = 0;
ufds[i].fd = conn->fd;
/* Check for HUNG UP. */
ufds[i].events |= POLLHUP;
/* Check for INVALID FD */
ufds[i].events |= POLLNVAL;
switch (conn->state) {
case STATE_ESTABLISHED:
/* Check for NO BLOCK ON WRITE. */
ufds[i].events |= POLLOUT;
break;
case STATE_SENT:
/* Check for data to be read. */
ufds[i].events |= POLLIN;
break;
}
if (++i >= EVENT_CHUNK)
break;
}
#else /* select() */
FD_ZERO(&w_fdset);
FD_ZERO(&r_fdset);
/* Add connections to appropriate sets. */
for (conn = HTTPREQUESTS; conn; conn = conn->next) {
if (conn->state == STATE_ESTABLISHED) {
if (conn->fd > highfd)
highfd = conn->fd;
FD_SET(conn->fd, &w_fdset);
}
else if (conn->state == STATE_SENT) {
if (conn->fd > highfd)
highfd = conn->fd;
FD_SET(conn->fd, &r_fdset);
}
}
/* No timeout. */
http_timeout.tv_sec = 0;
http_timeout.tv_usec= 0;
#endif /* HAVE_SYS_POLL_H */
#if defined(HAVE_SYS_POLL_H) && !defined(FORCE_SELECT)
switch (poll(ufds, size, 0)) {
#else /* select() */
switch (select((highfd + 1), &r_fdset, &w_fdset, 0, &http_timeout)) {
#endif /* HAVE_SYS_POLL_H */
case -1: /* Error in select/poll. */
case 0: /* Nothing to do. */
return;
default:
/* Pass pointer to connection to handler. */
#if defined(HAVE_SYS_POLL_H) && !defined(FORCE_SELECT)
for (conn = HTTPREQUESTS; conn; conn = conn->next) {
for (i = 0; i < size; ++i) {
if ((ufds[i].fd == conn->fd) && (conn->state != STATE_CLOSED) && (conn->state != STATE_POSITIVE)) {
if (ufds[i].revents & POLLIN)
http_readready(conn);
if (ufds[i].revents & POLLOUT)
http_writeready(conn);
if (ufds[i].revents & POLLHUP) {
/* Negotiation failed (read returned false). Discard the connection as a closed proxy. */
log_event(6, "HTTP -> [Socket %d] Negotiation failed on %s for IP %s [Read: %s]",
conn->fd, conn->zone->name, conn->ip, (conn->bytes_read > 0) ? ascii2char(conn->response, conn->bytes_read) : "Nothing");
conn->state = STATE_CLOSED;
}
break;
}
}
}
#else
for (conn = HTTPREQUESTS; conn; conn = conn->next) {
if (conn->state == STATE_ESTABLISHED) {
if (FD_ISSET(conn->fd, &w_fdset))
http_writeready(conn);
}
else if (conn->state == STATE_SENT) {
if (FD_ISSET(conn->fd, &r_fdset))
http_readready(conn);
}
}
#endif /* HAVE_SYS_POLL_H */
}
}
/*********************************************************
* Poll or select returned back that this connection is *
* ready for read. Get the data, and pass it to the *
* protocol check handler. *
*********************************************************/
static void http_readready(http_struct *conn) {
int len;
memset(conn->response, 0, sizeof(conn->response));
conn->bytes_read = 0;
len = recv(conn->fd, conn->response, sizeof(conn->response), MSG_WAITALL);
switch (len) {
case -1: /* Error, or socket was closed. */
case 0: /* No data read from socket. */
return;
default:
if (len >= sizeof(conn->response)) {
char dump[1024];
log_event(6, "HTTP -> [Socket %d] Read more than %d bytes, discarding the rest", conn->fd, sizeof(conn->response));
/* Get rid of whatever was left on the socket. */
while (recv(conn->fd, dump, sizeof(dump), MSG_WAITALL) > 0)
;
}
conn->bytes_read = len;
log_event(6, "HTTP -> [Socket %d] Reading data from %s for IP %s: %s",
conn->fd, conn->zone->name, conn->ip, ascii2char(conn->response, conn->bytes_read));
http_request_parse(conn);
conn->state = STATE_CLOSED;
return;
}
}
connection *connection_accept(server *srv, server_socket *srv_socket) {
/* accept everything */
/* search an empty place */
int cnt;
sock_addr cnt_addr;
#ifndef HAVE_LIBMTCP
socklen_t cnt_len;
#endif
/* accept it and register the fd */
/**
* check if we can still open a new connections
*
* see #1216
*/
if (srv->conns->used >= srv->max_conns) {
return NULL;
}
#ifdef HAVE_LIBMTCP
if (-1 == (cnt = mtcp_accept(srv->mctx, srv_socket->fd, NULL, NULL))) {
#else
cnt_len = sizeof(cnt_addr);
if (-1 == (cnt = accept(srv_socket->fd, (struct sockaddr *) &cnt_addr, &cnt_len))) {
#endif
switch (errno) {
case EAGAIN:
#if EWOULDBLOCK != EAGAIN
case EWOULDBLOCK:
#endif
case EINTR:
/* we were stopped _before_ we had a connection */
case ECONNABORTED: /* this is a FreeBSD thingy */
/* we were stopped _after_ we had a connection */
break;
case EMFILE:
/* out of fds */
break;
default:
log_error_write(srv, __FILE__, __LINE__, "ssd", "accept failed:", strerror(errno), errno);
}
return NULL;
} else {
connection *con;
srv->cur_fds++;
/* ok, we have the connection, register it */
#if 0
log_error_write(srv, __FILE__, __LINE__, "sd",
"appected()", cnt);
#endif
srv->con_opened++;
con = connections_get_new_connection(srv);
con->fd = cnt;
con->fde_ndx = -1;
#if 0
gettimeofday(&(con->start_tv), NULL);
#endif
fdevent_register(srv->ev, con->fd, connection_handle_fdevent, con);
connection_set_state(srv, con, CON_STATE_REQUEST_START);
con->connection_start = srv->cur_ts;
con->dst_addr = cnt_addr;
buffer_copy_string(con->dst_addr_buf, inet_ntop_cache_get_ip(srv, &(con->dst_addr)));
con->srv_socket = srv_socket;
if (-1 == (fdevent_fcntl_set(srv->ev, con->fd))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "fcntl failed: ", strerror(errno));
return NULL;
}
#ifdef USE_OPENSSL
/* connect FD to SSL */
if (srv_socket->is_ssl) {
if (NULL == (con->ssl = SSL_new(srv_socket->ssl_ctx))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
ERR_error_string(ERR_get_error(), NULL));
return NULL;
}
con->renegotiations = 0;
SSL_set_app_data(con->ssl, con);
SSL_set_accept_state(con->ssl);
con->conf.is_ssl=1;
if (1 != (SSL_set_fd(con->ssl, cnt))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
ERR_error_string(ERR_get_error(), NULL));
return NULL;
}
}
#endif
return con;
}
}
int connection_state_machine(server *srv, connection *con) {
int done = 0, r;
#ifdef USE_OPENSSL
server_socket *srv_sock = con->srv_socket;
#endif
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at start",
con->fd,
connection_get_state(con->state));
}
while (done == 0) {
size_t ostate = con->state;
switch (con->state) {
case CON_STATE_REQUEST_START: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
con->request_count++;
con->loops_per_request = 0;
connection_set_state(srv, con, CON_STATE_READ);
/* patch con->conf.is_ssl if the connection is a ssl-socket already */
#ifdef USE_OPENSSL
con->conf.is_ssl = srv_sock->is_ssl;
#endif
break;
case CON_STATE_REQUEST_END: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
buffer_reset(con->uri.authority);
buffer_reset(con->uri.path);
buffer_reset(con->uri.query);
buffer_reset(con->request.orig_uri);
if (http_request_parse(srv, con)) {
/* we have to read some data from the POST request */
connection_set_state(srv, con, CON_STATE_READ_POST);
break;
}
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case CON_STATE_HANDLE_REQUEST:
/*
* the request is parsed
*
* decided what to do with the request
* -
*
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
switch (r = http_response_prepare(srv, con)) {
case HANDLER_FINISHED:
if (con->mode == DIRECT) {
if (con->http_status == 404 ||
con->http_status == 403) {
/* 404 error-handler */
if (con->in_error_handler == 0 &&
(!buffer_is_empty(con->conf.error_handler) ||
!buffer_is_empty(con->error_handler))) {
/* call error-handler */
con->error_handler_saved_status = con->http_status;
con->http_status = 0;
if (buffer_is_empty(con->error_handler)) {
buffer_copy_string_buffer(con->request.uri, con->conf.error_handler);
} else {
buffer_copy_string_buffer(con->request.uri, con->error_handler);
}
buffer_reset(con->physical.path);
con->in_error_handler = 1;
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
done = -1;
break;
} else if (con->in_error_handler) {
/* error-handler is a 404 */
con->http_status = con->error_handler_saved_status;
}
} else if (con->in_error_handler) {
/* error-handler is back and has generated content */
/* if Status: was set, take it otherwise use 200 */
}
}
if (con->http_status == 0) con->http_status = 200;
/* we have something to send, go on */
connection_set_state(srv, con, CON_STATE_RESPONSE_START);
break;
case HANDLER_WAIT_FOR_FD:
srv->want_fds++;
fdwaitqueue_append(srv, con);
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case HANDLER_COMEBACK:
done = -1;
case HANDLER_WAIT_FOR_EVENT:
/* come back here */
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case HANDLER_ERROR:
/* something went wrong */
connection_set_state(srv, con, CON_STATE_ERROR);
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd", "unknown ret-value: ", con->fd, r);
break;
}
break;
case CON_STATE_RESPONSE_START:
/*
* the decision is done
* - create the HTTP-Response-Header
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
if (-1 == connection_handle_write_prepare(srv, con)) {
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
connection_set_state(srv, con, CON_STATE_WRITE);
break;
case CON_STATE_RESPONSE_END: /* transient */
/* log the request */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
plugins_call_handle_request_done(srv, con);
srv->con_written++;
if (con->keep_alive) {
connection_set_state(srv, con, CON_STATE_REQUEST_START);
#if 0
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
#endif
} else {
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sd", "unhandling return value", r);
break;
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
switch (SSL_shutdown(con->ssl)) {
case 1:
/* done */
break;
case 0:
/* wait for fd-event
*
* FIXME: wait for fdevent and call SSL_shutdown again
*
*/
break;
default:
log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
ERR_error_string(ERR_get_error(), NULL));
}
}
#endif
if ((0 == shutdown(con->fd, SHUT_WR))) {
con->close_timeout_ts = srv->cur_ts;
connection_set_state(srv, con, CON_STATE_CLOSE);
} else {
connection_close(srv, con);
}
srv->con_closed++;
}
connection_reset(srv, con);
break;
case CON_STATE_CONNECT:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
chunkqueue_reset(con->read_queue);
con->request_count = 0;
break;
case CON_STATE_CLOSE:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/* we have to do the linger_on_close stuff regardless
* of con->keep_alive; even non-keepalive sockets may
* still have unread data, and closing before reading
* it will make the client not see all our output.
*/
{
int len;
char buf[1024];
#ifdef HAVE_LIBMTCP
len = mtcp_read(srv->mctx, con->fd, buf, sizeof(buf));
#else
len = read(con->fd, buf, sizeof(buf));
#endif
if (len == 0 || (len < 0 && errno != EAGAIN && errno != EINTR) ) {
con->close_timeout_ts = srv->cur_ts - (HTTP_LINGER_TIMEOUT+1);
}
}
if (srv->cur_ts - con->close_timeout_ts > HTTP_LINGER_TIMEOUT) {
connection_close(srv, con);
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"connection closed for fd", con->fd);
}
}
break;
case CON_STATE_READ_POST:
case CON_STATE_READ:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
connection_handle_read_state(srv, con);
break;
case CON_STATE_WRITE:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/* only try to write if we have something in the queue */
if (!chunkqueue_is_empty(con->write_queue)) {
#if 0
log_error_write(srv, __FILE__, __LINE__, "dsd",
con->fd,
"packets to write:",
con->write_queue->used);
#endif
}
if (!chunkqueue_is_empty(con->write_queue) && con->is_writable) {
if (-1 == connection_handle_write(srv, con)) {
log_error_write(srv, __FILE__, __LINE__, "ds",
con->fd,
"handle write failed.");
connection_set_state(srv, con, CON_STATE_ERROR);
}
}
break;
case CON_STATE_ERROR: /* transient */
/* even if the connection was drop we still have to write it to the access log */
if (con->http_status) {
plugins_call_handle_request_done(srv, con);
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
int ret, ssl_r;
unsigned long err;
ERR_clear_error();
switch ((ret = SSL_shutdown(con->ssl))) {
case 1:
/* ok */
break;
case 0:
ERR_clear_error();
if (-1 != (ret = SSL_shutdown(con->ssl))) break;
/* fall through */
default:
switch ((ssl_r = SSL_get_error(con->ssl, ret))) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
break;
case SSL_ERROR_SYSCALL:
/* perhaps we have error waiting in our error-queue */
if (0 != (err = ERR_get_error())) {
do {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
} while((err = ERR_get_error()));
} else if (errno != 0) { /* ssl bug (see lighttpd ticket #2213): sometimes errno == 0 */
switch(errno) {
case EPIPE:
case ECONNRESET:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL (error):",
ssl_r, ret, errno,
strerror(errno));
break;
}
}
break;
default:
while((err = ERR_get_error())) {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
}
break;
}
}
}
ERR_clear_error();
#endif
switch(con->mode) {
case DIRECT:
#if 0
log_error_write(srv, __FILE__, __LINE__, "sd",
"emergency exit: direct",
con->fd);
#endif
break;
default:
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sd", "unhandling return value", r);
break;
}
break;
}
connection_reset(srv, con);
/* close the connection */
if ((0 == shutdown(con->fd, SHUT_WR))) {
con->close_timeout_ts = srv->cur_ts;
connection_set_state(srv, con, CON_STATE_CLOSE);
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"shutdown for fd", con->fd);
}
} else {
connection_close(srv, con);
}
con->keep_alive = 0;
srv->con_closed++;
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd",
"unknown state:", con->fd, con->state);
break;
}
if (done == -1) {
done = 0;
} else if (ostate == con->state) {
done = 1;
}
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at exit:",
con->fd,
connection_get_state(con->state));
}
switch(con->state) {
case CON_STATE_READ_POST:
case CON_STATE_READ:
case CON_STATE_CLOSE:
fdevent_event_set(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_IN);
break;
case CON_STATE_WRITE:
/* request write-fdevent only if we really need it
* - if we have data to write
* - if the socket is not writable yet
*/
if (!chunkqueue_is_empty(con->write_queue) &&
(con->is_writable == 0) &&
(con->traffic_limit_reached == 0)) {
fdevent_event_set(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_OUT);
} else {
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
}
break;
default:
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
break;
}
return 0;
}
int connection_state_machine(server *srv, connection *con) {
int done = 0, r;
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at start",
con->fd,
connection_get_state(con->state));
}
while (done == 0) {
size_t ostate = con->state;
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
switch (con->state) {
case CON_STATE_REQUEST_START: /* transient */
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
if (con->conf.high_precision_timestamps)
log_clock_gettime_realtime(&con->request_start_hp);
con->request_count++;
con->loops_per_request = 0;
connection_set_state(srv, con, CON_STATE_READ);
break;
case CON_STATE_REQUEST_END: /* transient */
buffer_reset(con->uri.authority);
buffer_reset(con->uri.path);
buffer_reset(con->uri.query);
buffer_reset(con->request.orig_uri);
if (http_request_parse(srv, con)) {
/* we have to read some data from the POST request */
connection_set_state(srv, con, CON_STATE_READ_POST);
break;
}
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case CON_STATE_READ_POST:
case CON_STATE_HANDLE_REQUEST:
/*
* the request is parsed
*
* decided what to do with the request
* -
*
*
*/
switch (r = http_response_prepare(srv, con)) {
case HANDLER_WAIT_FOR_EVENT:
if (!con->file_finished && (!con->file_started || 0 == con->conf.stream_response_body)) {
break; /* come back here */
}
/* response headers received from backend; fall through to start response */
case HANDLER_FINISHED:
if (con->error_handler_saved_status > 0) {
con->request.http_method = con->error_handler_saved_method;
}
if (con->mode == DIRECT) {
if (con->error_handler_saved_status) {
if (con->error_handler_saved_status > 0) {
con->http_status = con->error_handler_saved_status;
} else if (con->http_status == 404 || con->http_status == 403) {
/* error-handler-404 is a 404 */
con->http_status = -con->error_handler_saved_status;
} else {
/* error-handler-404 is back and has generated content */
/* if Status: was set, take it otherwise use 200 */
}
} else if (con->http_status >= 400) {
buffer *error_handler = NULL;
if (!buffer_string_is_empty(con->conf.error_handler)) {
error_handler = con->conf.error_handler;
} else if ((con->http_status == 404 || con->http_status == 403)
&& !buffer_string_is_empty(con->conf.error_handler_404)) {
error_handler = con->conf.error_handler_404;
}
if (error_handler) {
/* call error-handler */
/* set REDIRECT_STATUS to save current HTTP status code
* for access by dynamic handlers
* https://redmine.lighttpd.net/issues/1828 */
data_string *ds;
if (NULL == (ds = (data_string *)array_get_unused_element(con->environment, TYPE_STRING))) {
ds = data_string_init();
}
buffer_copy_string_len(ds->key, CONST_STR_LEN("REDIRECT_STATUS"));
buffer_append_int(ds->value, con->http_status);
array_insert_unique(con->environment, (data_unset *)ds);
if (error_handler == con->conf.error_handler) {
plugins_call_connection_reset(srv, con);
if (con->request.content_length) {
if (con->request.content_length != con->request_content_queue->bytes_in) {
con->keep_alive = 0;
}
con->request.content_length = 0;
chunkqueue_reset(con->request_content_queue);
}
con->is_writable = 1;
con->file_finished = 0;
con->file_started = 0;
con->got_response = 0;
con->parsed_response = 0;
con->response.keep_alive = 0;
con->response.content_length = -1;
con->response.transfer_encoding = 0;
con->error_handler_saved_status = con->http_status;
con->error_handler_saved_method = con->request.http_method;
con->request.http_method = HTTP_METHOD_GET;
} else { /*(preserve behavior for server.error-handler-404)*/
con->error_handler_saved_status = -con->http_status; /*(negative to flag old behavior)*/
}
buffer_copy_buffer(con->request.uri, error_handler);
connection_handle_errdoc_init(srv, con);
con->http_status = 0; /*(after connection_handle_errdoc_init())*/
done = -1;
break;
}
}
}
if (con->http_status == 0) con->http_status = 200;
/* we have something to send, go on */
connection_set_state(srv, con, CON_STATE_RESPONSE_START);
break;
case HANDLER_WAIT_FOR_FD:
srv->want_fds++;
fdwaitqueue_append(srv, con);
break;
case HANDLER_COMEBACK:
done = -1;
break;
case HANDLER_ERROR:
/* something went wrong */
connection_set_state(srv, con, CON_STATE_ERROR);
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd", "unknown ret-value: ", con->fd, r);
break;
}
if (con->state == CON_STATE_HANDLE_REQUEST && ostate == CON_STATE_READ_POST) {
ostate = CON_STATE_HANDLE_REQUEST;
}
break;
case CON_STATE_RESPONSE_START:
/*
* the decision is done
* - create the HTTP-Response-Header
*
*/
if (-1 == connection_handle_write_prepare(srv, con)) {
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
connection_set_state(srv, con, CON_STATE_WRITE);
break;
case CON_STATE_RESPONSE_END: /* transient */
case CON_STATE_ERROR: /* transient */
connection_handle_response_end_state(srv, con);
break;
case CON_STATE_CONNECT:
chunkqueue_reset(con->read_queue);
con->request_count = 0;
break;
case CON_STATE_CLOSE:
connection_handle_close_state(srv, con);
break;
case CON_STATE_READ:
connection_handle_read_state(srv, con);
break;
case CON_STATE_WRITE:
do {
/* only try to write if we have something in the queue */
if (!chunkqueue_is_empty(con->write_queue)) {
if (con->is_writable) {
if (-1 == connection_handle_write(srv, con)) {
log_error_write(srv, __FILE__, __LINE__, "ds",
con->fd,
"handle write failed.");
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
if (con->state != CON_STATE_WRITE) break;
}
} else if (con->file_finished) {
connection_set_state(srv, con, CON_STATE_RESPONSE_END);
break;
}
if (con->mode != DIRECT && !con->file_finished) {
switch(r = plugins_call_handle_subrequest(srv, con)) {
case HANDLER_WAIT_FOR_EVENT:
case HANDLER_FINISHED:
case HANDLER_GO_ON:
break;
case HANDLER_WAIT_FOR_FD:
srv->want_fds++;
fdwaitqueue_append(srv, con);
break;
case HANDLER_COMEBACK:
default:
log_error_write(srv, __FILE__, __LINE__, "sdd", "unexpected subrequest handler ret-value: ", con->fd, r);
/* fall through */
case HANDLER_ERROR:
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
}
} while (con->state == CON_STATE_WRITE && (!chunkqueue_is_empty(con->write_queue) ? con->is_writable : con->file_finished));
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd",
"unknown state:", con->fd, con->state);
break;
}
if (done == -1) {
done = 0;
} else if (ostate == con->state) {
done = 1;
}
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at exit:",
con->fd,
connection_get_state(con->state));
}
r = 0;
switch(con->state) {
case CON_STATE_READ:
case CON_STATE_CLOSE:
r = FDEVENT_IN;
break;
case CON_STATE_WRITE:
/* request write-fdevent only if we really need it
* - if we have data to write
* - if the socket is not writable yet
*/
if (!chunkqueue_is_empty(con->write_queue) &&
(con->is_writable == 0) &&
(con->traffic_limit_reached == 0)) {
r |= FDEVENT_OUT;
}
/* fall through */
case CON_STATE_READ_POST:
if (con->conf.stream_request_body & FDEVENT_STREAM_REQUEST_POLLIN) {
r |= FDEVENT_IN;
}
break;
default:
break;
}
if (-1 != con->fd) {
const int events = fdevent_event_get_interest(srv->ev, con->fd);
if (con->is_readable < 0) {
con->is_readable = 0;
r |= FDEVENT_IN;
}
if (con->is_writable < 0) {
con->is_writable = 0;
r |= FDEVENT_OUT;
}
if (r != events) {
/* update timestamps when enabling interest in events */
if ((r & FDEVENT_IN) && !(events & FDEVENT_IN)) {
con->read_idle_ts = srv->cur_ts;
}
if ((r & FDEVENT_OUT) && !(events & FDEVENT_OUT)) {
con->write_request_ts = srv->cur_ts;
}
fdevent_event_set(srv->ev, &con->fde_ndx, con->fd, r);
}
}
return 0;
}
int connection_state_machine(server *srv, connection *con) {
int done = 0, r;
#ifdef USE_OPENSSL
server_socket *srv_sock = con->srv_socket;
#endif
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at start",
con->fd,
connection_get_state(con->state));
}
while (done == 0) {
size_t ostate = con->state;
switch (con->state) {
case CON_STATE_REQUEST_START: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
con->request_count++;
con->loops_per_request = 0;
connection_set_state(srv, con, CON_STATE_READ);
break;
case CON_STATE_REQUEST_END: /* transient */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
buffer_reset(con->uri.authority);
buffer_reset(con->uri.path);
buffer_reset(con->uri.query);
buffer_reset(con->request.orig_uri);
if (http_request_parse(srv, con)) {
/* we have to read some data from the POST request */
connection_set_state(srv, con, CON_STATE_READ_POST);
break;
}
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case CON_STATE_HANDLE_REQUEST:
/*
* the request is parsed
*
* decided what to do with the request
* -
*
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
switch (r = http_response_prepare(srv, con)) {
case HANDLER_FINISHED:
if (con->mode == DIRECT) {
if (con->http_status == 404 ||
con->http_status == 403) {
/* 404 error-handler */
if (con->in_error_handler == 0 &&
(!buffer_string_is_empty(con->conf.error_handler) ||
!buffer_string_is_empty(con->error_handler))) {
/* call error-handler */
con->error_handler_saved_status = con->http_status;
con->http_status = 0;
if (buffer_string_is_empty(con->error_handler)) {
buffer_copy_buffer(con->request.uri, con->conf.error_handler);
} else {
buffer_copy_buffer(con->request.uri, con->error_handler);
}
buffer_reset(con->physical.path);
con->in_error_handler = 1;
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
done = -1;
break;
} else if (con->in_error_handler) {
/* error-handler is a 404 */
con->http_status = con->error_handler_saved_status;
}
} else if (con->in_error_handler) {
/* error-handler is back and has generated content */
/* if Status: was set, take it otherwise use 200 */
}
}
if (con->http_status == 0) con->http_status = 200;
/* we have something to send, go on */
connection_set_state(srv, con, CON_STATE_RESPONSE_START);
break;
case HANDLER_WAIT_FOR_FD:
srv->want_fds++;
fdwaitqueue_append(srv, con);
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case HANDLER_COMEBACK:
done = -1;
/* fallthrough */
case HANDLER_WAIT_FOR_EVENT:
/* come back here */
connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
break;
case HANDLER_ERROR:
/* something went wrong */
connection_set_state(srv, con, CON_STATE_ERROR);
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd", "unknown ret-value: ", con->fd, r);
break;
}
break;
case CON_STATE_RESPONSE_START:
/*
* the decision is done
* - create the HTTP-Response-Header
*
*/
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
if (-1 == connection_handle_write_prepare(srv, con)) {
connection_set_state(srv, con, CON_STATE_ERROR);
break;
}
connection_set_state(srv, con, CON_STATE_WRITE);
break;
case CON_STATE_RESPONSE_END: /* transient */
/* log the request */
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
plugins_call_handle_request_done(srv, con);
srv->con_written++;
if (con->keep_alive) {
connection_set_state(srv, con, CON_STATE_REQUEST_START);
#if 0
con->request_start = srv->cur_ts;
con->read_idle_ts = srv->cur_ts;
#endif
} else {
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sd", "unhandling return value", r);
break;
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
switch (SSL_shutdown(con->ssl)) {
case 1:
/* done */
break;
case 0:
/* wait for fd-event
*
* FIXME: wait for fdevent and call SSL_shutdown again
*
*/
break;
default:
log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
ERR_error_string(ERR_get_error(), NULL));
}
}
#endif
if ((0 == shutdown(con->fd, SHUT_WR))) {
con->close_timeout_ts = srv->cur_ts;
connection_set_state(srv, con, CON_STATE_CLOSE);
} else {
connection_close(srv, con);
}
srv->con_closed++;
}
connection_reset(srv, con);
break;
case CON_STATE_CONNECT:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
chunkqueue_reset(con->read_queue);
con->request_count = 0;
break;
case CON_STATE_CLOSE:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/* we have to do the linger_on_close stuff regardless
* of con->keep_alive; even non-keepalive sockets may
* still have unread data, and closing before reading
* it will make the client not see all our output.
*/
{
int len;
char buf[1024];
len = read(con->fd, buf, sizeof(buf));
if (len == 0 || (len < 0 && errno != EAGAIN && errno != EINTR) ) {
con->close_timeout_ts = srv->cur_ts - (HTTP_LINGER_TIMEOUT+1);
}
}
if (srv->cur_ts - con->close_timeout_ts > HTTP_LINGER_TIMEOUT) {
connection_close(srv, con);
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"connection closed for fd", con->fd);
}
}
break;
case CON_STATE_READ_POST:
case CON_STATE_READ:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
connection_handle_read_state(srv, con);
break;
case CON_STATE_WRITE:
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state for fd", con->fd, connection_get_state(con->state));
}
/* only try to write if we have something in the queue */
if (!chunkqueue_is_empty(con->write_queue)) {
if (con->is_writable) {
if (-1 == connection_handle_write(srv, con)) {
log_error_write(srv, __FILE__, __LINE__, "ds",
con->fd,
"handle write failed.");
connection_set_state(srv, con, CON_STATE_ERROR);
}
}
} else if (con->file_finished) {
connection_set_state(srv, con, CON_STATE_RESPONSE_END);
}
break;
case CON_STATE_ERROR: /* transient */
/* even if the connection was drop we still have to write it to the access log */
if (con->http_status) {
plugins_call_handle_request_done(srv, con);
}
#ifdef USE_OPENSSL
if (srv_sock->is_ssl) {
int ret, ssl_r;
unsigned long err;
ERR_clear_error();
switch ((ret = SSL_shutdown(con->ssl))) {
case 1:
/* ok */
break;
case 0:
ERR_clear_error();
if (-1 != (ret = SSL_shutdown(con->ssl))) break;
/* fall through */
default:
switch ((ssl_r = SSL_get_error(con->ssl, ret))) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
break;
case SSL_ERROR_SYSCALL:
/* perhaps we have error waiting in our error-queue */
if (0 != (err = ERR_get_error())) {
do {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
} while((err = ERR_get_error()));
} else if (errno != 0) { /* ssl bug (see lighttpd ticket #2213): sometimes errno == 0 */
switch(errno) {
case EPIPE:
case ECONNRESET:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL (error):",
ssl_r, ret, errno,
strerror(errno));
break;
}
}
break;
default:
while((err = ERR_get_error())) {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, ret,
ERR_error_string(err, NULL));
}
break;
}
}
ERR_clear_error();
}
#endif
switch(con->mode) {
case DIRECT:
#if 0
log_error_write(srv, __FILE__, __LINE__, "sd",
"emergency exit: direct",
con->fd);
#endif
break;
default:
switch(r = plugins_call_handle_connection_close(srv, con)) {
case HANDLER_GO_ON:
case HANDLER_FINISHED:
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sd", "unhandling return value", r);
break;
}
break;
}
connection_reset(srv, con);
/* close the connection */
if ((0 == shutdown(con->fd, SHUT_WR))) {
con->close_timeout_ts = srv->cur_ts;
connection_set_state(srv, con, CON_STATE_CLOSE);
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sd",
"shutdown for fd", con->fd);
}
} else {
connection_close(srv, con);
}
con->keep_alive = 0;
srv->con_closed++;
break;
default:
log_error_write(srv, __FILE__, __LINE__, "sdd",
"unknown state:", con->fd, con->state);
break;
}
if (done == -1) {
done = 0;
} else if (ostate == con->state) {
done = 1;
}
}
if (srv->srvconf.log_state_handling) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"state at exit:",
con->fd,
connection_get_state(con->state));
}
switch(con->state) {
case CON_STATE_READ_POST:
case CON_STATE_READ:
case CON_STATE_CLOSE:
fdevent_event_set(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_IN);
break;
case CON_STATE_WRITE:
/* request write-fdevent only if we really need it
* - if we have data to write
* - if the socket is not writable yet
*/
if (!chunkqueue_is_empty(con->write_queue) &&
(con->is_writable == 0) &&
(con->traffic_limit_reached == 0)) {
fdevent_event_set(srv->ev, &(con->fde_ndx), con->fd, FDEVENT_OUT);
} else {
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
}
break;
default:
fdevent_event_del(srv->ev, &(con->fde_ndx), con->fd);
break;
}
return 0;
}
int main(void) {
WSADATA Data;
SOCKADDR_IN recvSockAddr;
SOCKET recvSocket;
int status;
int numrcv = 0;
struct hostent * remoteHost;
char * ip;
const char * host_name = "pb-homework.appspot.com";
char buffer[MAXBUFLEN];
memset(buffer,0,MAXBUFLEN);
// Initialize Windows Socket DLL
status = WSAStartup(MAKEWORD(2, 2), &Data);
if(status != 0)
{
printf("ERROR: WSAStartup unsuccessful\r\n");
return 0;
}
// Get IP address from host name
remoteHost = gethostbyname(host_name);
ip = inet_ntoa(*(struct in_addr *)*remoteHost->h_addr_list);
printf("IP address is: %s.\n", ip);
memset(&recvSockAddr, 0, sizeof(recvSockAddr)); // zero the sockaddr_in structure
recvSockAddr.sin_port=htons(PORT); // specify the port portion of the address
recvSockAddr.sin_family=AF_INET; // specify the address family as Internet
recvSockAddr.sin_addr.s_addr= inet_addr(ip); // specify ip address
// Create socket
recvSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(recvSocket == INVALID_SOCKET)
{
printf("ERROR: socket unsuccessful\r\n");
WSACleanup();
system("pause");
return 0;
}
// Connect
if(connect(recvSocket,(SOCKADDR*)&recvSockAddr,sizeof(SOCKADDR_IN)) == SOCKET_ERROR)
{
printf("ERROR: socket could not connect\r\n");
closesocket(recvSocket);
WSACleanup();
return 0;
}
// Send request
char request[200];
sprintf(request, "GET /test/var/24?format=json HTTP/1.1\r\nHost:%s\r\n\r\n", host_name); // add Host header with host_name value
send(recvSocket, request, strlen(request), 0);
// Receieve
numrcv = recv(recvSocket, buffer, MAXBUFLEN, NO_FLAGS_SET);
if (numrcv == SOCKET_ERROR)
{
printf("ERROR: recvfrom unsuccessful\r\n");
status = closesocket(recvSocket);
if(status == SOCKET_ERROR)
printf("ERROR: closesocket unsuccessful\r\n");
status = WSACleanup();
if (status == SOCKET_ERROR)
printf("ERROR: WSACleanup unsuccessful\r\n");
system("pause");
return(1);
}
// Print out receieved socket data
printf("%s\r\n", buffer);
char * json=strstr(buffer,"{");
cJSON * SI = cJSON_CreateObject();
SI=cJSON_Parse(json);
author_t * author=malloc(sizeof(author_t));
author->author=malloc(strlen(cJSON_GetObjectItem(SI,"author")->valuestring)+1);
strcpy(author->author,cJSON_GetObjectItem(SI,"author")->valuestring);
author->quote=malloc(strlen(cJSON_GetObjectItem(SI,"quote")->valuestring)+1);
strcpy(author->quote,cJSON_GetObjectItem(SI,"quote")->valuestring);
time_t rawtime;
struct tm * timeinfo;
time ( &rawtime );
timeinfo = localtime ( &rawtime );
author->time=malloc(strlen(asctime(timeinfo)));
strcpy(author->time,asctime(timeinfo));
author->time[strlen(author->time)-1]='\0';
cJSON * SM = cJSON_CreateObject();
cJSON_AddItemToObject(SM, "author", cJSON_CreateString(author->author));
cJSON_AddItemToObject(SM, "quote", cJSON_CreateString(author->quote));
cJSON_AddItemToObject(SM, "time", cJSON_CreateString(author->time));
char * jsonSM = cJSON_Print(SM);
system("pause");
lib_init();
socket_t * server = socket_new();
socket_bind(server, 5000);
socket_listen(server);
char buf[10000];
socket_t * client = NULL;
while(1)
{
client = socket_accept(server);
socket_read(client, buf, sizeof(buf));
printf("%s",buf);
if (strlen(buf) != 0){
http_request_t rs;
rs = http_request_parse(buf);
if (strcmp(rs.method,"GET") == 0 && strcmp(rs.uri, "/info") == 0 )
{
server_info(client);
}
if (strcmp(rs.method,"GET") == 0 && strcmp(rs.uri, "/external") == 0 )
{
server_sent(client,jsonSM);
}
}
}
system("pause");
return 0;
}
