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Copy pathwebserver.cpp
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2049 lines (1890 loc) · 56.2 KB
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/*
This file is part of libhttpserver
Copyright (C) 2011 Sebastiano Merlino
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
*/
#include <stdint.h>
#include <inttypes.h>
#include <iostream>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <netinet/ip.h>
#include <signal.h>
#include <fcntl.h>
#include <algorithm>
#include <microhttpd.h>
#include "gettext.h"
#include "http_utils.hpp"
#include "http_resource.hpp"
#include "http_response.hpp"
#include "http_request.hpp"
#include "http_endpoint.hpp"
#include "string_utilities.hpp"
#include "webserver.hpp"
#define _REENTRANT 1
using namespace std;
namespace httpserver
{
namespace details
{
struct daemon_item
{
webserver* ws;
struct MHD_Daemon* daemon;
daemon_item(webserver* ws, struct MHD_Daemon* daemon):
ws(ws),
daemon(daemon)
{
}
~daemon_item()
{
MHD_stop_daemon (this->daemon);
}
};
struct http_response_ptr
{
public:
http_response_ptr():
res(0x0),
num_references(0x0)
{
num_references = new int(0);
}
http_response_ptr(http_response* res):
res(res),
num_references(0x0)
{
num_references = new int(0);
}
http_response_ptr(const http_response_ptr& b):
res(b.res),
num_references(b.num_references)
{
(*num_references)++;
}
~http_response_ptr()
{
if(num_references)
{
if((*num_references) == 0)
{
if(res && res->autodelete)
{
delete res;
res = 0x0;
}
delete num_references;
}
else
(*num_references)--;
}
}
http_response& operator* ()
{
return *res;
}
http_response* operator-> ()
{
return res;
}
http_response* ptr()
{
return res;
}
http_response_ptr& operator= (const http_response_ptr& b)
{
if( this != &b)
{
if(num_references)
{
if((*num_references) == 0)
{
if(res && res->autodelete)
{
delete res;
res = 0x0;
}
delete num_references;
}
else
(*num_references)--;
}
res = b.res;
num_references = b.num_references;
(*num_references)++;
}
return *this;
}
private:
http_response* res;
int* num_references;
friend class ::httpserver::webserver;
};
struct modded_request
{
struct MHD_PostProcessor *pp;
std::string* complete_uri;
std::string* standardized_url;
webserver* ws;
const binders::functor_two<
const http_request&, http_response**, void
> http_resource_mirror::*callback;
http_request* dhr;
http_response_ptr dhrs;
bool second;
modded_request():
pp(0x0),
complete_uri(0x0),
standardized_url(0x0),
ws(0x0),
dhr(0x0),
dhrs(0x0),
second(false)
{
}
~modded_request()
{
if (NULL != pp)
{
MHD_destroy_post_processor (pp);
}
if(second)
delete dhr; //TODO: verify. It could be an error
delete complete_uri;
delete standardized_url;
}
};
void empty_render(const http_request& r, http_response** res)
{
*res = new http_string_response("", 200);
}
void empty_not_acceptable_render(const http_request& r, http_response** res)
{
*res = new http_string_response(NOT_METHOD_ERROR, 200);
}
bool empty_is_allowed(const std::string& method)
{
return true;
}
}
struct pthread_t_comparator
{
bool operator()(const pthread_t& t1, const pthread_t& t2) const
{
return pthread_equal(t1, t2);
}
};
struct cache_entry
{
long ts;
int validity;
details::http_response_ptr response;
pthread_rwlock_t elem_guard;
pthread_mutex_t lock_guard;
set<pthread_t, pthread_t_comparator> lockers;
cache_entry():
ts(-1),
validity(-1)
{
pthread_rwlock_init(&elem_guard, NULL);
pthread_mutex_init(&lock_guard, NULL);
}
~cache_entry()
{
pthread_rwlock_destroy(&elem_guard);
pthread_mutex_destroy(&lock_guard);
}
cache_entry(const cache_entry& b):
ts(b.ts),
validity(b.validity),
response(b.response),
elem_guard(b.elem_guard),
lock_guard(b.lock_guard)
{
}
void operator= (const cache_entry& b)
{
ts = b.ts;
validity = b.validity;
response = b.response;
pthread_rwlock_destroy(&elem_guard);
pthread_mutex_destroy(&lock_guard);
elem_guard = b.elem_guard;
}
cache_entry(
details::http_response_ptr response,
long ts = -1,
int validity = -1
):
ts(ts),
validity(validity),
response(response)
{
pthread_rwlock_init(&elem_guard, NULL);
pthread_mutex_init(&lock_guard, NULL);
}
void lock(bool write = false)
{
pthread_mutex_lock(&lock_guard);
pthread_t tid = pthread_self();
if(!lockers.count(tid))
{
if(write)
{
lockers.insert(tid);
pthread_mutex_unlock(&lock_guard);
pthread_rwlock_wrlock(&elem_guard);
}
else
{
lockers.insert(tid);
pthread_mutex_unlock(&lock_guard);
pthread_rwlock_rdlock(&elem_guard);
}
}
else
pthread_mutex_unlock(&lock_guard);
}
void unlock()
{
pthread_mutex_lock(&lock_guard);
{
pthread_t tid = pthread_self();
if(lockers.count(tid))
{
lockers.erase(tid);
pthread_rwlock_unlock(&elem_guard);
}
}
pthread_mutex_unlock(&lock_guard);
}
};
using namespace http;
int policy_callback (void *, const struct sockaddr*, socklen_t);
void error_log(void*, const char*, va_list);
void* uri_log(void*, const char*);
void access_log(webserver*, string);
size_t unescaper_func(void*, struct MHD_Connection*, char*);
size_t internal_unescaper(void*, char*);
struct compare_value
{
bool operator() (const std::pair<int, int>& left,
const std::pair<int, int>& right
) const
{
return left.second < right.second;
}
};
static void catcher (int sig)
{
}
static void ignore_sigpipe ()
{
struct sigaction oldsig;
struct sigaction sig;
sig.sa_handler = &catcher;
sigemptyset (&sig.sa_mask);
#ifdef SA_INTERRUPT
sig.sa_flags = SA_INTERRUPT; /* SunOS */
#else //SA_INTERRUPT
sig.sa_flags = SA_RESTART;
#endif //SA_INTERRUPTT
if (0 != sigaction (SIGPIPE, &sig, &oldsig))
fprintf (stderr,
gettext("Failed to install SIGPIPE handler: %s\n"),
strerror (errno)
);
}
//WEBSERVER CREATOR
create_webserver& create_webserver::https_mem_key(
const std::string& https_mem_key
)
{
char* _https_mem_key_pt = http::load_file(https_mem_key.c_str());
_https_mem_key = _https_mem_key_pt;
free(_https_mem_key_pt);
return *this;
}
create_webserver& create_webserver::https_mem_cert(
const std::string& https_mem_cert
)
{
char* _https_mem_cert_pt = http::load_file(https_mem_cert.c_str());
_https_mem_cert = _https_mem_cert_pt;
free(_https_mem_cert_pt);
return *this;
}
create_webserver& create_webserver::https_mem_trust(
const std::string& https_mem_trust
)
{
char* _https_mem_trust_pt = http::load_file(https_mem_trust.c_str());
_https_mem_trust = _https_mem_trust_pt;
free(_https_mem_trust_pt);
return *this;
}
//WEBSERVER
webserver::webserver
(
int port,
const http_utils::start_method_T& start_method,
int max_threads,
int max_connections,
int memory_limit,
int connection_timeout,
int per_IP_connection_limit,
log_access_ptr log_access,
log_error_ptr log_error,
validator_ptr validator,
unescaper_ptr unescaper,
const struct sockaddr* bind_address,
int bind_socket,
int max_thread_stack_size,
bool use_ssl,
bool use_ipv6,
bool debug,
bool pedantic,
const string& https_mem_key,
const string& https_mem_cert,
const string& https_mem_trust,
const string& https_priorities,
const http_utils::cred_type_T& cred_type,
const string digest_auth_random,
int nonce_nc_size,
const http_utils::policy_T& default_policy,
bool basic_auth_enabled,
bool digest_auth_enabled,
bool regex_checking,
bool ban_system_enabled,
bool post_process_enabled,
render_ptr single_resource,
render_ptr not_found_resource,
render_ptr method_not_allowed_resource,
render_ptr method_not_acceptable_resource,
render_ptr internal_error_resource
) :
port(port),
start_method(start_method),
max_threads(max_threads),
max_connections(max_connections),
memory_limit(memory_limit),
connection_timeout(connection_timeout),
per_IP_connection_limit(per_IP_connection_limit),
log_access(log_access),
log_error(log_error),
validator(validator),
unescaper(unescaper),
bind_address(bind_address),
bind_socket(bind_socket),
max_thread_stack_size(max_thread_stack_size),
use_ssl(use_ssl),
use_ipv6(use_ipv6),
debug(debug),
pedantic(pedantic),
https_mem_key(https_mem_key),
https_mem_cert(https_mem_cert),
https_mem_trust(https_mem_trust),
https_priorities(https_priorities),
cred_type(cred_type),
digest_auth_random(digest_auth_random),
nonce_nc_size(nonce_nc_size),
running(false),
default_policy(default_policy),
basic_auth_enabled(basic_auth_enabled),
digest_auth_enabled(digest_auth_enabled),
regex_checking(regex_checking),
ban_system_enabled(ban_system_enabled),
post_process_enabled(post_process_enabled),
not_found_resource(not_found_resource),
method_not_allowed_resource(method_not_allowed_resource),
method_not_acceptable_resource(method_not_acceptable_resource),
internal_error_resource(internal_error_resource),
next_to_choose(0)
{
init(single_resource);
}
webserver::webserver(const create_webserver& params):
port(params._port),
start_method(params._start_method),
max_threads(params._max_threads),
max_connections(params._max_connections),
memory_limit(params._memory_limit),
connection_timeout(params._connection_timeout),
per_IP_connection_limit(params._per_IP_connection_limit),
log_access(params._log_access),
log_error(params._log_error),
validator(params._validator),
unescaper(params._unescaper),
bind_address(params._bind_address),
bind_socket(params._bind_socket),
max_thread_stack_size(params._max_thread_stack_size),
use_ssl(params._use_ssl),
use_ipv6(params._use_ipv6),
debug(params._debug),
pedantic(params._pedantic),
https_mem_key(params._https_mem_key),
https_mem_cert(params._https_mem_cert),
https_mem_trust(params._https_mem_trust),
https_priorities(params._https_priorities),
cred_type(params._cred_type),
digest_auth_random(params._digest_auth_random),
nonce_nc_size(params._nonce_nc_size),
running(false),
default_policy(params._default_policy),
basic_auth_enabled(params._basic_auth_enabled),
digest_auth_enabled(params._digest_auth_enabled),
regex_checking(params._regex_checking),
ban_system_enabled(params._ban_system_enabled),
post_process_enabled(params._post_process_enabled),
not_found_resource(params._not_found_resource),
method_not_allowed_resource(params._method_not_allowed_resource),
method_not_acceptable_resource(params._method_not_acceptable_resource),
internal_error_resource(params._internal_error_resource),
next_to_choose(0)
{
init(params._single_resource);
}
void webserver::init(render_ptr single_resource)
{
if(single_resource != 0x0)
this->single_resource = true;
else
this->single_resource = false;
ignore_sigpipe();
pthread_mutex_init(&mutexwait, NULL);
pthread_rwlock_init(&runguard, NULL);
pthread_cond_init(&mutexcond, NULL);
pthread_rwlock_init(&cache_guard, NULL);
pthread_rwlock_init(&comet_guard, NULL);
pthread_mutex_init(&cleanmux, NULL);
pthread_cond_init(&cleancond, NULL);
}
webserver::~webserver()
{
this->stop();
pthread_mutex_destroy(&mutexwait);
pthread_rwlock_destroy(&runguard);
pthread_rwlock_destroy(&cache_guard);
pthread_cond_destroy(&mutexcond);
pthread_rwlock_destroy(&comet_guard);
pthread_mutex_destroy(&cleanmux);
pthread_cond_destroy(&cleancond);
}
void webserver::sweet_kill()
{
this->stop();
}
void webserver::request_completed (
void *cls,
struct MHD_Connection *connection,
void **con_cls,
enum MHD_RequestTerminationCode toe
)
{
details::modded_request* mr = (struct details::modded_request*) *con_cls;
pthread_rwlock_wrlock(&mr->ws->comet_guard);
mr->ws->q_messages.erase(mr->dhrs->connection_id);
mr->ws->q_blocks.erase(mr->dhrs->connection_id);
mr->ws->q_signal.erase(mr->dhrs->connection_id);
mr->ws->q_keepalives.erase(mr->dhrs->connection_id);
typedef std::map<string, std::set<httpserver_ska> >::iterator conn_it;
for(conn_it it = mr->ws->q_waitings.begin(); it != mr->ws->q_waitings.end(); ++it)
{
it->second.erase(mr->dhrs->connection_id);
}
pthread_rwlock_unlock(&mr->ws->comet_guard);
if (0x0 != mr)
{
if(mr->dhrs.res != 0x0 && mr->dhrs->ca != 0x0)
mr->dhrs->ca(mr->dhrs->closure_data);
delete mr;
mr = 0x0;
}
}
void webserver::register_resource(
const std::string& resource,
details::http_resource_mirror hrm,
bool family
)
{
if(method_not_acceptable_resource)
hrm.method_not_acceptable_resource = method_not_acceptable_resource;
details::http_endpoint idx(resource, family, true, regex_checking);
registered_resources.insert(
pair<details::http_endpoint, details::http_resource_mirror>(idx,hrm)
);
registered_resources_str[idx.url_complete] = ®istered_resources[idx];
}
void* webserver::select(void* self)
{
fd_set rs;
fd_set ws;
fd_set es;
struct timeval timeout_value;
details::daemon_item* di = static_cast<details::daemon_item*>(self);
int max;
while (di->ws->is_running())
{
max = 0;
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
if (MHD_YES != MHD_get_fdset (di->daemon, &rs, &ws, &es, &max))
abort(); /* fatal internal error */
unsigned MHD_LONG_LONG timeout_microsecs = 0;
unsigned MHD_LONG_LONG timeout_secs = 0;
if (!(MHD_get_timeout (di->daemon, &timeout_microsecs) == MHD_YES))
{
timeout_secs = 1;
timeout_microsecs = 0;
}
else
{
if(timeout_microsecs < 1000)
{
timeout_microsecs = timeout_microsecs * 1000;
timeout_secs = 0;
}
}
// SUPPLIERS MANAGEMENT
{
std::map<std::string, details::event_tuple>::const_iterator it;
pthread_rwlock_rdlock(&di->ws->runguard);
for(it = di->ws->event_suppliers.begin();
it != di->ws->event_suppliers.end();
++it
)
{
int local_max;
(*it).second.supply_events(&rs, &ws, &es, &local_max);
if(local_max > max)
max = local_max;
struct timeval t = (*it).second.get_timeout();
if((unsigned MHD_LONG_LONG) t.tv_sec < timeout_secs ||
((unsigned MHD_LONG_LONG) t.tv_sec == timeout_secs
&& (unsigned MHD_LONG_LONG) t.tv_usec < timeout_microsecs
)
)
{
timeout_secs = t.tv_sec;
timeout_microsecs = t.tv_usec;
}
}
pthread_rwlock_unlock(&di->ws->runguard);
}
// COMET CONNECTIONS MANAGEMENT
pthread_rwlock_wrlock(&di->ws->comet_guard);
for(std::map<httpserver_ska, long>::iterator it = di->ws->q_keepalives.begin();
it != di->ws->q_keepalives.end();
++it
)
{
struct timeval curtime;
gettimeofday(&curtime, NULL);
int waited_time = curtime.tv_sec - (*it).second;
if(waited_time >= di->ws->q_keepalives_mem[(*it).first].first)
di->ws->send_message_to_consumer(
(*it).first,
di->ws->q_keepalives_mem[(*it).first].second
);
else
{
unsigned MHD_LONG_LONG to_wait_time =
di->ws->q_keepalives_mem[(*it).first].first - waited_time;
if(to_wait_time < timeout_secs)
{
timeout_secs = to_wait_time;
timeout_microsecs = 0;
}
}
}
pthread_rwlock_unlock(&di->ws->comet_guard);
timeout_value.tv_sec = timeout_secs;
timeout_value.tv_usec = timeout_microsecs;
::select (max + 1, &rs, &ws, &es, &timeout_value);
MHD_run (di->daemon);
//EVENT SUPPLIERS DISPATCHING
{
std::map<std::string, details::event_tuple>::const_iterator it;
pthread_rwlock_rdlock(&di->ws->runguard);
for(it = di->ws->event_suppliers.begin();
it != di->ws->event_suppliers.end();
++it
)
(*it).second.dispatch_events();
}
}
return 0x0;
}
int create_socket (int domain, int type, int protocol)
{
int sock_cloexec = SOCK_CLOEXEC;
int ctype = SOCK_STREAM | sock_cloexec;
int fd;
/* use SOCK_STREAM rather than ai_socktype: some getaddrinfo
* implementations do not set ai_socktype, e.g. RHL6.2. */
fd = socket(domain, ctype, protocol);
if ( (-1 == fd) && (EINVAL == errno) && (0 != sock_cloexec) )
{
sock_cloexec = 0;
fd = socket(domain, type, protocol);
}
if (-1 == fd)
return -1;
return fd;
}
bool webserver::start(bool blocking)
{
struct {
MHD_OptionItem operator ()(
enum MHD_OPTION opt,
intptr_t val,
void *ptr = 0
)
{
MHD_OptionItem x = {opt, val, ptr};
return x;
}
} gen;
vector<struct MHD_OptionItem> iov;
iov.push_back(gen(MHD_OPTION_NOTIFY_COMPLETED,
(intptr_t) &request_completed,
NULL
));
iov.push_back(gen(MHD_OPTION_URI_LOG_CALLBACK, (intptr_t) &uri_log, this));
iov.push_back(gen(MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) &error_log, this));
iov.push_back(gen(MHD_OPTION_UNESCAPE_CALLBACK,
(intptr_t) &unescaper_func,
this)
);
iov.push_back(gen(MHD_OPTION_CONNECTION_TIMEOUT, connection_timeout));
if(bind_address != 0x0)
iov.push_back(gen(MHD_OPTION_SOCK_ADDR, (intptr_t) bind_address));
if(bind_socket != 0)
iov.push_back(gen(MHD_OPTION_LISTEN_SOCKET, bind_socket));
if(! (start_method == http_utils::INTERNAL_SELECT))
{
if(max_threads != 0)
iov.push_back(gen(MHD_OPTION_THREAD_POOL_SIZE, max_threads));
}
if(max_connections != 0)
iov.push_back(gen(MHD_OPTION_CONNECTION_LIMIT, max_connections));
if(memory_limit != 0)
iov.push_back(gen(MHD_OPTION_CONNECTION_MEMORY_LIMIT, memory_limit));
if(per_IP_connection_limit != 0)
iov.push_back(gen(MHD_OPTION_PER_IP_CONNECTION_LIMIT,
per_IP_connection_limit)
);
if(max_thread_stack_size != 0)
iov.push_back(gen(MHD_OPTION_THREAD_STACK_SIZE, max_thread_stack_size));
if(nonce_nc_size != 0)
iov.push_back(gen(MHD_OPTION_NONCE_NC_SIZE, nonce_nc_size));
if(use_ssl)
iov.push_back(gen(MHD_OPTION_HTTPS_MEM_KEY,
0,
(void*)https_mem_key.c_str())
);
if(use_ssl)
iov.push_back(gen(MHD_OPTION_HTTPS_MEM_CERT,
0,
(void*)https_mem_cert.c_str())
);
if(https_mem_trust != "" && use_ssl)
iov.push_back(gen(MHD_OPTION_HTTPS_MEM_TRUST,
0,
(void*)https_mem_trust.c_str())
);
if(https_priorities != "" && use_ssl)
iov.push_back(gen(MHD_OPTION_HTTPS_PRIORITIES,
0,
(void*)https_priorities.c_str())
);
if(digest_auth_random != "")
iov.push_back(gen(MHD_OPTION_DIGEST_AUTH_RANDOM,
digest_auth_random.size(),
(char*)digest_auth_random.c_str())
);
#ifdef HAVE_GNUTLS
if(cred_type != http_utils::NONE)
iov.push_back(gen(MHD_OPTION_HTTPS_CRED_TYPE, cred_type));
#endif //HAVE_GNUTLS
if(start_method == http_utils::INTERNAL_SELECT)
{
int on = 1;
bool bind_settled = true;
if(!bind_socket)
{
bind_settled = false;
struct sockaddr_in servaddr4;
#if HAVE_INET6
struct sockaddr_in6 servaddr6;
#endif
const struct sockaddr *servaddr = NULL;
socklen_t addrlen;
#if HAVE_INET6
if (0 != (options & MHD_USE_IPv6))
addrlen = sizeof (struct sockaddr_in6);
else
#endif
addrlen = sizeof (struct ::sockaddr_in);
#if HAVE_INET6
if (0 != (options & MHD_USE_IPv6))
{
memset (&servaddr6, 0, sizeof (struct sockaddr_in6));
servaddr6.sin6_family = AF_INET6;
servaddr6.sin6_port = htons (port);
#if HAVE_SOCKADDR_IN_SIN_LEN
servaddr6.sin6_len = sizeof (struct sockaddr_in6);
#endif
servaddr = (struct sockaddr *) &servaddr6;
}
else
#endif
{
memset (&servaddr4, 0, sizeof (struct ::sockaddr_in));
servaddr4.sin_family = AF_INET;
servaddr4.sin_port = htons (port);
#if HAVE_SOCKADDR_IN_SIN_LEN
servaddr4.sin_len = sizeof (struct ::sockaddr_in);
#endif
servaddr = (struct sockaddr *) &servaddr4;
}
if (use_ipv6)
bind_socket = create_socket (PF_INET6, SOCK_STREAM, 0);
else
bind_socket = create_socket (PF_INET, SOCK_STREAM, 0);
setsockopt (bind_socket,
SOL_SOCKET,
SO_REUSEADDR,
&on, sizeof (on));
if(use_ipv6)
{
#ifdef IPPROTO_IPV6
#ifdef IPV6_V6ONLY
setsockopt (bind_socket,
IPPROTO_IPV6, IPV6_V6ONLY,
&on, sizeof (on)
);
#endif
#endif
}
bind(bind_socket, servaddr, addrlen);
}
int flags = fcntl (bind_socket, F_GETFL);
flags |= O_NONBLOCK;
fcntl (bind_socket, F_SETFL, flags);
if(!bind_settled)
listen(bind_socket, 1);
iov.push_back(gen(MHD_OPTION_LISTEN_SOCKET, bind_socket));
}
iov.push_back(gen(MHD_OPTION_END, 0, NULL ));
struct MHD_OptionItem ops[iov.size()];
for(unsigned int i = 0; i < iov.size(); i++)
{
ops[i] = iov[i];
}
int start_conf = start_method;
if(use_ssl)
start_conf |= MHD_USE_SSL;
if(use_ipv6)
start_conf |= MHD_USE_IPv6;
if(debug)
start_conf |= MHD_USE_DEBUG;
if(pedantic)
start_conf |= MHD_USE_PEDANTIC_CHECKS;
int num_threads = 1;
if(max_threads > num_threads)
num_threads = max_threads;
if(start_method == http_utils::INTERNAL_SELECT)
{
for(int i = 0; i < num_threads; i++)
{
struct MHD_Daemon* daemon = MHD_start_daemon
(
start_conf, this->port, &policy_callback, this,
&answer_to_connection, this, MHD_OPTION_ARRAY,
ops, MHD_OPTION_END
);
if(NULL == daemon)
{
cout << gettext("Unable to connect daemon to port: ") <<
this->port << endl;
abort();
}
details::daemon_item* di = new details::daemon_item(this, daemon);
daemons.push_back(di);
//RUN SELECT THREADS
pthread_t t;
threads.push_back(t);
if(pthread_create(
&threads[i],
NULL,
&webserver::select,
static_cast<void*>(di)
))
{
abort();
}
}
}
else
{
struct MHD_Daemon* daemon = MHD_start_daemon
(
start_conf, this->port, &policy_callback, this,
&answer_to_connection, this, MHD_OPTION_ARRAY,
ops, MHD_OPTION_END
);
if(NULL == daemon)
{
cout << gettext("Unable to connect daemon to port: ") <<
this->port << endl;
abort();
}
details::daemon_item* di = new details::daemon_item(this, daemon);
daemons.push_back(di);
}
this->running = true;
bool value_onclose = false;
if(blocking)
{
pthread_mutex_lock(&mutexwait);
while(blocking && running)
pthread_cond_wait(&mutexcond, &mutexwait);
pthread_mutex_unlock(&mutexwait);
value_onclose = true;
}
return value_onclose;
}
bool webserver::is_running()
{
return this->running;
}
bool webserver::stop()
{
if(this->running)
{
pthread_mutex_lock(&mutexwait);
this->running = false;
pthread_cond_signal(&mutexcond);
pthread_mutex_unlock(&mutexwait);
for(unsigned int i = 0; i < threads.size(); ++i)
{
void* t_res;
pthread_join(threads[i], &t_res);
free(t_res);
}
threads.clear();
typedef vector<details::daemon_item*>::const_iterator daemon_item_it;
for(daemon_item_it it = daemons.begin(); it != daemons.end(); ++it)
delete *it;
daemons.clear();
return true;
}
else
{
return false;
}
}
void webserver::unregister_resource(const string& resource)
{
details::http_endpoint he(resource);
this->registered_resources.erase(he);
this->registered_resources.erase(he.url_complete);
}
void webserver::ban_ip(const string& ip)
{
ip_representation t_ip(ip);
set<ip_representation>::iterator it = this->bans.find(t_ip);
if(it != this->bans.end() && (t_ip.weight() < (*it).weight()))
{
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