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adding more code

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This commit is contained in:
hyung-hwan 2011-07-14 09:18:54 +00:00
parent fb574aa147
commit 9cdc8206e5
2 changed files with 165 additions and 163 deletions
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3
qse/include/qse/net/httpd.h
View File

@ -31,8 +31,9 @@ enum qse_httpd_errnum_t
QSE_HTTPD_ENOERR,
QSE_HTTPD_ENOMEM,
QSE_HTTPD_EINVAL,
QSE_HTTPD_ESOCKET,
QSE_HTTPD_EINTERN,
QSE_HTTPD_EIOMUX,
QSE_HTTPD_ESOCKET,
QSE_HTTPD_ECOMCBS
};
typedef enum qse_httpd_errnum_t qse_httpd_errnum_t;

325
qse/lib/net/httpd.c
View File

@ -91,6 +91,18 @@ void qse_httpd_stop (qse_httpd_t* httpd)
httpd->stopreq = 1;
}
static QSE_INLINE void* httpd_alloc (qse_httpd_t* httpd, qse_size_t n)
{
void* ptr = QSE_MMGR_ALLOC (httpd->mmgr, n);
if (ptr == QSE_NULL) httpd->errnum = QSE_HTTPD_ENOMEM;
return ptr;
}
static void httpd_free (qse_httpd_t* httpd, void* ptr)
{
QSE_MMGR_FREE (httpd->mmgr, ptr);
}
#include <qse/cmn/mem.h>
#include <qse/cmn/str.h>
@ -118,80 +130,81 @@ struct http_xtn_t
{
client_array_t* array;
qse_size_t index;
qse_httpd_t* httpd;
};
static int enqueue_client_action_unlocked (client_t* client, const client_action_t* action)
static int enqueue_task_unlocked (client_t* client, const task_t* task)
{
int index;
if (client->action.count >= QSE_COUNTOF(client->action.target)) return -1;
if (client->task.count >= QSE_COUNTOF(client->task.array)) return -1;
index = (client->action.offset + client->action.count) %
QSE_COUNTOF(client->action.target);
client->action.target[index] = *action;
client->action.count++;
index = (client->task.offset + client->task.count) %
QSE_COUNTOF(client->task.array);
client->task.array[index] = *task;
client->task.count++;
return 0;
}
static int enqueue_client_action_locked (client_t* client, const client_action_t* action)
static int enqueue_task_locked (client_t* client, const task_t* task)
{
int ret;
pthread_mutex_lock (&client->action_mutex);
ret = enqueue_client_action_unlocked (client, action);
pthread_mutex_unlock (&client->action_mutex);
pthread_mutex_lock (&client->task.mutex);
ret = enqueue_task_unlocked (client, task);
pthread_mutex_unlock (&client->task.mutex);
return ret;
}
static int dequeue_client_action_unlocked (client_t* client, client_action_t* action)
static int dequeue_task_unlocked (client_t* client, task_t* task)
{
client_action_t* actp;
task_t* actp;
if (client->action.count <= 0) return -1;
if (client->task.count <= 0) return -1;
actp = &client->action.target[client->action.offset];
if (actp->type == ACTION_SENDFILE) close (actp->u.sendfile.fd);
else if (actp->type == ACTION_SENDTEXTDUP) free (actp->u.sendtextdup.ptr);
actp = &client->task.array[client->task.offset];
if (actp->type == TASK_SENDFILE) close (actp->u.sendfile.fd);
else if (actp->type == TASK_SENDTEXTDUP) free (actp->u.sendtextdup.ptr);
if (action) *action = *actp;
client->action.offset = (client->action.offset + 1) % QSE_COUNTOF(client->action.target);
client->action.count--;
if (task) *task = *actp;
client->task.offset = (client->task.offset + 1) % QSE_COUNTOF(client->task.array);
client->task.count--;
return 0;
}
static int dequeue_client_action_locked (client_t* client, client_action_t* action)
static int dequeue_task_locked (client_t* client, task_t* task)
{
int ret;
pthread_mutex_lock (&client->action_mutex);
ret = dequeue_client_action_unlocked (client, action);
pthread_mutex_unlock (&client->action_mutex);
pthread_mutex_lock (&client->task.mutex);
ret = dequeue_task_unlocked (client, task);
pthread_mutex_unlock (&client->task.mutex);
return ret;
}
static void purge_client_actions_locked (client_t* client)
static void purge_tasks_locked (client_t* client)
{
client_action_t action;
pthread_mutex_lock (&client->action_mutex);
while (dequeue_client_action_unlocked (client, &action) == 0);
pthread_mutex_unlock (&client->action_mutex);
task_t task;
pthread_mutex_lock (&client->task.mutex);
while (dequeue_task_unlocked (client, &task) == 0);
pthread_mutex_unlock (&client->task.mutex);
}
static int enqueue_sendtext_locked (client_t* client, const char* text)
{
client_action_t action;
task_t task;
memset (&action, 0, sizeof(action));
action.type = ACTION_SENDTEXT;
action.u.sendtext.ptr = text;
action.u.sendtext.left = strlen(text);
memset (&task, 0, sizeof(task));
task.type = TASK_SENDTEXT;
task.u.sendtext.ptr = text;
task.u.sendtext.left = strlen(text);
return enqueue_client_action_locked (client, &action);
return enqueue_task_locked (client, &task);
}
static int format_and_do (int (*task) (void* arg, char* text), void* arg, const char* fmt, ...)
static qse_mchar_t* format_textdup (qse_httpd_t* httpd, const char* fmt, ...)
{
va_list ap;
char n[2];
char* buf;
qse_mchar_t n[2];
qse_mchar_t* buf;
int bytes_req;
va_start (ap, fmt);
@ -201,10 +214,13 @@ static int format_and_do (int (*task) (void* arg, char* text), void* arg, const
bytes_req = vsnprintf (n, 1, fmt, ap);
#endif
va_end (ap);
if (bytes_req == -1)
{
qse_size_t capa = 256;
buf = (char*) malloc (capa + 1);
buf = (qse_mchar_t*) httpd_alloc (httpd, (capa + 1) * QSE_SIZEOF(*buf));
if (buf == QSE_NULL) return QSE_NULL;
/* an old vsnprintf behaves differently from C99 standard.
* thus, it returns -1 when it can't write all the input given. */
@ -213,23 +229,21 @@ static int format_and_do (int (*task) (void* arg, char* text), void* arg, const
int l;
va_start (ap, fmt);
#if defined(_WIN32) && defined(_MSC_VER)
if ((l = _vsnprintf (buf, capa + 1, fmt, ap)) == -1)
l = _vsnprintf (buf, capa + 1, fmt, ap);
#else
if ((l = vsnprintf (buf, capa + 1, fmt, ap)) == -1)
l = vsnprintf (buf, capa + 1, fmt, ap);
#endif
{
va_end (ap);
free (buf);
capa = capa * 2;
buf = (char*)malloc (capa + 1);
if (buf == NULL) return -1;
continue;
}
va_end (ap);
break;
if (l == -1)
{
httpd_free (httpd, buf);
capa = capa * 2;
buf = (qse_mchar_t*) httpd_alloc (httpd, (capa + 1) * QSE_SIZEOF(*buf));
if (buf == QSE_NULL) return QSE_NULL;
}
else break;
}
}
else
@ -237,8 +251,8 @@ static int format_and_do (int (*task) (void* arg, char* text), void* arg, const
/* vsnprintf returns the number of characters that would
* have been written not including the terminating '\0'
* if the _data buffer were large enough */
buf = (char*)malloc (bytes_req + 1);
if (buf == NULL) return -1;
buf = (qse_mchar_t*) httpd_alloc (httpd, (bytes_req + 1) * QSE_SIZEOF(*buf));
if (buf == NULL) return QSE_NULL;
va_start (ap, fmt);
#if defined(_WIN32) && defined(_MSC_VER)
@ -246,48 +260,26 @@ static int format_and_do (int (*task) (void* arg, char* text), void* arg, const
#else
vsnprintf (buf, bytes_req + 1, fmt, ap);
#endif
//_data[_size] = '\0';
va_end (ap);
}
return task (arg, buf);
}
static int enqueue_format (void* arg, char* text)
{
client_t* client = (client_t*)arg;
client_action_t action;
memset (&action, 0, sizeof(action));
action.type = ACTION_SENDTEXTDUP;
action.u.sendtextdup.ptr = text;
action.u.sendtextdup.left = strlen(text);
if (enqueue_client_action_locked (client, &action) <= -1)
{
free (text);
return -1;
}
return 0;
return buf;
}
static int enqueue_sendtextdup_locked (client_t* client, const char* text)
{
client_action_t action;
task_t task;
char* textdup;
textdup = strdup (text);
if (textdup == NULL) return -1;
memset (&action, 0, sizeof(action));
action.type = ACTION_SENDTEXTDUP;
action.u.sendtextdup.ptr = textdup;
action.u.sendtextdup.left = strlen(textdup);
memset (&task, 0, sizeof(task));
task.type = TASK_SENDTEXTDUP;
task.u.sendtextdup.ptr = textdup;
task.u.sendtextdup.left = strlen(textdup);
if (enqueue_client_action_locked (client, &action) <= -1)
if (enqueue_task_locked (client, &task) <= -1)
{
free (textdup);
return -1;
@ -298,27 +290,27 @@ static int enqueue_sendtextdup_locked (client_t* client, const char* text)
static int enqueue_sendfile_locked (client_t* client, int fd)
{
client_action_t action;
task_t task;
struct stat st;
if (fstat (fd, &st) <= -1) return -1;
memset (&action, 0, sizeof(action));
action.type = ACTION_SENDFILE;
action.u.sendfile.fd = fd;
action.u.sendfile.left = st.st_size;;
memset (&task, 0, sizeof(task));
task.type = TASK_SENDFILE;
task.u.sendfile.fd = fd;
task.u.sendfile.left = st.st_size;;
return enqueue_client_action_locked (client, &action);
return enqueue_task_locked (client, &task);
}
static int enqueue_disconnect (client_t* client)
{
client_action_t action;
task_t task;
memset (&action, 0, sizeof(action));
action.type = ACTION_DISCONNECT;
memset (&task, 0, sizeof(task));
task.type = TASK_DISCONNECT;
return enqueue_client_action_locked (client, &action);
return enqueue_task_locked (client, &task);
}
static qse_htb_walk_t walk (qse_htb_t* htb, qse_htb_pair_t* pair, void* ctx)
@ -365,19 +357,22 @@ qse_printf (QSE_T("content = [%.*S]\n"),
{
int fd;
//if (qse_htrd_scanqparam (http, qse_htre_getqparamcstr(req)) <= -1)
/*if (qse_htrd_scanqparam (http, qse_htre_getqparamcstr(req)) <= -1) */
if (qse_htrd_scanqparam (http, QSE_NULL) <= -1)
{
const char* msg = "<html><head><title>INTERNAL SERVER ERROR</title></head><body><b>INTERNAL SERVER ERROR</b></body></html>";
if (format_and_do (enqueue_format, client,
char* text = format_textdup (xtn->httpd,
"HTTP/%d.%d 500 Internal Server Error\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n",
req->version.major,
req->version.minor,
(int)strlen(msg) + 4, msg) <= -1)
(int)strlen(msg) + 4, msg);
if (text == QSE_NULL || enqueue_sendtextdup_locked (client, text) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
if (text) httpd_free (xtn->httpd, text);
qse_printf (QSE_T("failed to format text push task....\n"));
return -1;
}
}
if (method == QSE_HTTP_POST)
@ -392,16 +387,21 @@ qse_printf (QSE_T("END FORM FIELDS=============\n"));
fd = open (qse_htre_getqpathptr(req), O_RDONLY);
if (fd <= -1)
{
const char* msg = "<html><head><title>NOT FOUND</title></head><body><b>REQUESTD FILE NOT FOUND</b></body></html>";
if (format_and_do (enqueue_format, client,
"HTTP/%d.%d 404 Not found\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n",
req->version.major,
req->version.minor,
(int)strlen(msg) + 4, msg) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
return -1;
}
const char* msg = "<html><head><title>NOT FOUND</title></head><body><b>REQUESTD FILE NOT FOUND</b></body></html>";
char* text = format_textdup (
xtn->httpd,
"HTTP/%d.%d 404 Not found\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n",
req->version.major,
req->version.minor,
(int)strlen(msg) + 4, msg
);
if (text == QSE_NULL || enqueue_sendtextdup_locked (client, text) <= -1)
{
if (text) httpd_free (xtn->httpd, text);
qse_printf (QSE_T("failed to push task....\n"));
return -1;
}
}
else
{
@ -433,9 +433,9 @@ qse_printf (QSE_T("empty file....\n"));
/* arrange to close connection */
}
action.type = ACTION_SENDTEXT;
action.u.sendtext.ptr = ptr;
action.u.sendtext.len = len;
task.type = TASK_SENDTEXT;
task.u.sendtext.ptr = ptr;
task.u.sendtext.len = len;
#endif
}
else
@ -462,14 +462,14 @@ snprintf (text, sizeof(text),
if (enqueue_sendtextdup_locked (client, text) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
qse_printf (QSE_T("failed to push task....\n"));
return -1;
}
if (enqueue_sendfile_locked (client, fd) <= -1)
{
/* TODO: close??? just close....??? */
qse_printf (QSE_T("failed to push action....\n"));
qse_printf (QSE_T("failed to push task....\n"));
return -1;
}
@ -477,7 +477,7 @@ qse_printf (QSE_T("failed to push action....\n"));
{
if (enqueue_disconnect (client) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
qse_printf (QSE_T("failed to push task....\n"));
return -1;
}
}
@ -495,7 +495,7 @@ snprintf (text, sizeof(text),
(int)strlen(msg)+4, msg);
if (enqueue_sendtextdup_locked (client, text) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
qse_printf (QSE_T("failed to push task....\n"));
return -1;
}
@ -574,7 +574,7 @@ static qse_ssize_t receive_octets (qse_htrd_t* http, qse_htoc_t* buf, qse_size_t
return n;
}
qse_htrd_recbs_t http_recbs =
qse_htrd_recbs_t htrd_recbs =
{
receive_octets,
handle_request,
@ -717,8 +717,8 @@ static void delete_from_client_array (client_array_t* array, int fd)
{
if (array->data[fd].http)
{
purge_client_actions_locked (&array->data[fd]);
pthread_mutex_destroy (&array->data[fd].action_mutex);
purge_tasks_locked (&array->data[fd]);
pthread_mutex_destroy (&array->data[fd].task.mutex);
qse_htrd_close (array->data[fd].http);
array->data[fd].http = QSE_NULL;
@ -744,10 +744,10 @@ static void fini_client_array (client_array_t* array)
pthread_cond_destroy (&array->cond);
}
static client_t* insert_into_client_array (
client_array_t* array, int fd, sockaddr_t* addr)
static client_t* insert_into_client_array (qse_httpd_t* httpd, int fd, sockaddr_t* addr)
{
http_xtn_t* xtn;
client_array_t* array = &httpd->ca;
if (fd >= array->capa)
{
@ -771,13 +771,14 @@ static client_t* insert_into_client_array (
array->data[fd].addr = *addr;
array->data[fd].http = qse_htrd_open (QSE_MMGR_GETDFL(), QSE_SIZEOF(*xtn));
if (array->data[fd].http == QSE_NULL) return QSE_NULL;
pthread_mutex_init (&array->data[fd].action_mutex, NULL);
pthread_mutex_init (&array->data[fd].task.mutex, NULL);
xtn = (http_xtn_t*)qse_htrd_getxtn (array->data[fd].http);
xtn->array = array;
xtn->index = fd;
xtn->httpd = httpd;
qse_htrd_setrecbs (array->data[fd].http, &http_recbs);
qse_htrd_setrecbs (array->data[fd].http, &htrd_recbs);
array->size++;
return &array->data[fd];
}
@ -824,7 +825,7 @@ qse_fprintf (QSE_STDERR, QSE_T("Error: too many client?\n"));
fcntl (c, F_SETFD, FD_CLOEXEC);
pthread_mutex_lock (&httpd->camutex);
client = insert_into_client_array (&httpd->ca, c, &addr);
client = insert_into_client_array (httpd, c, &addr);
pthread_mutex_unlock (&httpd->camutex);
if (client == QSE_NULL)
{
@ -880,7 +881,7 @@ static int make_fd_set_from_client_array (qse_httpd_t* httpd, fd_set* r, fd_set*
FD_SET (ca->data[fd].fd, r);
if (ca->data[fd].fd > max) max = ca->data[fd].fd;
}
if (w && ca->data[fd].action.count > 0)
if (w && ca->data[fd].task.count > 0)
{
/* add it to the set if it has a response to send */
FD_SET (ca->data[fd].fd, w);
@ -892,70 +893,70 @@ static int make_fd_set_from_client_array (qse_httpd_t* httpd, fd_set* r, fd_set*
return max;
}
static int take_client_action (client_t* client)
static int perform_task (client_t* client)
{
client_action_t* action;
task_t* task;
action = &client->action.target[client->action.offset];
task = &client->task.array[client->task.offset];
switch (action->type)
switch (task->type)
{
case ACTION_SENDTEXT:
case TASK_SENDTEXT:
{
ssize_t n;
size_t count;
count = MAX_SENDFILE_SIZE;
if (count >= action->u.sendtext.left)
count = action->u.sendtext.left;
if (count >= task->u.sendtext.left)
count = task->u.sendtext.left;
n = send (client->fd, action->u.sendtext.ptr, count, 0);
n = send (client->fd, task->u.sendtext.ptr, count, 0);
if (n <= -1)
{
qse_printf (QSE_T("send text failure... arrange to close this connection....\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
shutdown (client->fd, SHUT_RDWR);
}
else
{
/* TODO: what if n is 0???? does it mean EOF? */
action->u.sendtext.left -= n;
task->u.sendtext.left -= n;
if (action->u.sendtext.left <= 0)
if (task->u.sendtext.left <= 0)
{
qse_printf (QSE_T("finished sending text ...\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
}
}
break;
}
case ACTION_SENDTEXTDUP:
case TASK_SENDTEXTDUP:
{
ssize_t n;
size_t count;
count = MAX_SENDFILE_SIZE;
if (count >= action->u.sendtextdup.left)
count = action->u.sendtextdup.left;
if (count >= task->u.sendtextdup.left)
count = task->u.sendtextdup.left;
n = send (client->fd, action->u.sendtextdup.ptr, count, 0);
n = send (client->fd, task->u.sendtextdup.ptr, count, 0);
if (n <= -1)
{
qse_printf (QSE_T("send text dup failure... arrange to close this connection....\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
shutdown (client->fd, SHUT_RDWR);
}
else
{
/* TODO: what if n is 0???? does it mean EOF? */
action->u.sendtextdup.left -= n;
task->u.sendtextdup.left -= n;
if (action->u.sendtextdup.left <= 0)
if (task->u.sendtextdup.left <= 0)
{
qse_printf (QSE_T("finished sending text dup...\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
qse_printf (QSE_T("finished sending text dup dequed...\n"));
}
}
@ -963,47 +964,47 @@ qse_printf (QSE_T("finished sending text dup dequed...\n"));
break;
}
case ACTION_SENDFILE:
case TASK_SENDFILE:
{
ssize_t n;
size_t count;
count = MAX_SENDFILE_SIZE;
if (count >= action->u.sendfile.left)
count = action->u.sendfile.left;
if (count >= task->u.sendfile.left)
count = task->u.sendfile.left;
//n = qse_htrd_write (client->http, sendfile, joins);
n = sendfile (
client->fd,
action->u.sendfile.fd,
&action->u.sendfile.offset,
task->u.sendfile.fd,
&task->u.sendfile.offset,
count
);
if (n <= -1)
{
qse_printf (QSE_T("sendfile failure... arrange to close this connection....\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
shutdown (client->fd, SHUT_RDWR);
}
else
{
/* TODO: what if n is 0???? does it mean EOF? */
action->u.sendfile.left -= n;
task->u.sendfile.left -= n;
if (action->u.sendfile.left <= 0)
if (task->u.sendfile.left <= 0)
{
qse_printf (QSE_T("finished sending...\n"));
dequeue_client_action_locked (client, NULL);
dequeue_task_locked (client, NULL);
}
}
break;
}
case ACTION_DISCONNECT:
case TASK_DISCONNECT:
{
shutdown (client->fd, SHUT_RDWR);
break;
@ -1067,7 +1068,7 @@ static void* response_thread (void* arg)
if (FD_ISSET(client->fd, &w))
{
if (client->action.count > 0) take_client_action (client);
if (client->task.count > 0) perform_task (client);
}
}
@ -1121,11 +1122,8 @@ int qse_httpd_loop (qse_httpd_t* httpd)
n = select (max + 1, &r, NULL, NULL, &tv);
if (n <= -1)
{
/*
httpd->errnum = QSE_HTTPD_EMUX;
*/
/* TODO: user callback for an error */
httpd->errnum = QSE_HTTPD_EIOMUX;
/* TODO: call user callback for this multiplexer error */
if (errno == EINTR) continue;
qse_fprintf (QSE_STDERR, QSE_T("Error: select returned failure\n"));
/* break; */
@ -1210,8 +1208,8 @@ static listener_t* parse_listener_string (
/* skip spaces */
while (QSE_ISSPACE(*p)) p++;
ltmp = QSE_MMGR_ALLOC (httpd->mmgr, QSE_SIZEOF(*ltmp));
if (ltmp == QSE_NULL) goto oops_enomem;
ltmp = httpd_alloc (httpd, QSE_SIZEOF(*ltmp));
if (ltmp == QSE_NULL) goto oops; /* alloc set error number. so goto oops */
QSE_MEMSET (ltmp, 0, QSE_SIZEOF(*ltmp));
ltmp->handle = -1;
@ -1280,12 +1278,14 @@ static listener_t* parse_listener_string (
x = inet_pton (ltmp->family, host, &ltmp->addr);
#ifdef QSE_CHAR_IS_WCHAR
QSE_MMGR_FREE (httpd->mmgr, host);
httpd_free (httpd, host);
#endif
if (x != 1)
{
/* TODO: need to support host names???
if (getaddrinfo... )....
or CALL a user callback for name resolution?
if (httpd->cbs.resolve_hostname (httpd, ltmp->host) <= -1) must call this with host before freeing it up????
*/
goto oops_einval;
}
@ -1404,3 +1404,4 @@ void qse_httpd_clearlisteners (qse_httpd_t* httpd)
pthread_mutex_unlock (&httpd->listener.mutex);
}
#endif