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bel
2015-05-17 00:48:11 +02:00
parent aac1b32c2a
commit 53a18aecf1
4 changed files with 716 additions and 691 deletions
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90
include/CivetServer.h
View File

@@ -20,25 +20,21 @@ class CivetServer;
/**
* Exception class for thrown exceptions within the CivetHandler object.
*/
class CIVETWEB_API CivetException : public std::runtime_error
{
class CIVETWEB_API CivetException : public std::runtime_error {
public:
CivetException(const std::string& msg) : std::runtime_error(msg) {}
CivetException(const std::string &msg) : std::runtime_error(msg) {}
};
/**
* Basic interface for a URI request handler. Handlers implementations
* must be reentrant.
*/
class CIVETWEB_API CivetHandler
{
public:
class CIVETWEB_API CivetHandler {
public:
/**
* Destructor
*/
virtual ~CivetHandler() {
}
virtual ~CivetHandler() {}
/**
* Callback method for GET request.
@@ -91,10 +87,8 @@ public:
*
* Basic class for embedded web server. This has an URL mapping built-in.
*/
class CIVETWEB_API CivetServer
{
public:
class CIVETWEB_API CivetServer {
public:
/**
* Constructor
*
@@ -126,9 +120,7 @@ public:
*
* @return the context or 0 if not running.
*/
const struct mg_context *getContext() const {
return context;
}
const struct mg_context *getContext() const { return context; }
/**
* addHandler(const std::string &, CivetHandler *)
@@ -167,16 +159,20 @@ public:
std::vector<int> getListeningPorts();
/**
* getCookie(struct mg_connection *conn, const std::string &cookieName, std::string &cookieValue)
* getCookie(struct mg_connection *conn, const std::string &cookieName,
*std::string &cookieValue)
*
* Puts the cookie value string that matches the cookie name in the cookieValue destinaton string.
* Puts the cookie value string that matches the cookie name in the
*cookieValue destinaton string.
*
* @param conn - the connection information
* @param cookieName - cookie name to get the value from
* @param cookieValue - cookie value is returned using thiis reference
* @returns the size of the cookie value string read.
*/
static int getCookie(struct mg_connection *conn, const std::string &cookieName, std::string &cookieValue);
static int getCookie(struct mg_connection *conn,
const std::string &cookieName,
std::string &cookieValue);
/**
* getHeader(struct mg_connection *conn, const std::string &headerName)
@@ -184,28 +180,34 @@ public:
* @param headerName - header name to get the value from
* @returns a char array whcih contains the header value as string
*/
static const char* getHeader(struct mg_connection *conn, const std::string &headerName);
static const char *getHeader(struct mg_connection *conn,
const std::string &headerName);
/**
* getParam(struct mg_connection *conn, const char *, std::string &, size_t)
*
* Returns a query paramter contained in the supplied buffer. The
* occurance value is a zero-based index of a particular key name. This
* should not be confused with the index over all of the keys. Note that this
* should not be confused with the index over all of the keys. Note that
*this
* function assumes that parameters are sent as text in http query string
* format, which is the default for web forms. This function will work for
* html forms with method="GET" and method="POST" attributes. In other cases,
* you may use a getParam version that directly takes the data instead of the
* html forms with method="GET" and method="POST" attributes. In other
*cases,
* you may use a getParam version that directly takes the data instead of
*the
* connection as a first argument.
*
* @param conn - parameters are read from the data sent through this connection
* @param conn - parameters are read from the data sent through this
*connection
* @param name - the key to search for
* @param dst - the destination string
* @param occurrence - the occurrence of the selected name in the query (0 based).
* @param occurrence - the occurrence of the selected name in the query (0
*based).
* @return true if key was found
*/
static bool getParam(struct mg_connection *conn, const char *name,
std::string &dst, size_t occurrence=0);
std::string &dst, size_t occurrence = 0);
/**
* getParam(const std::string &, const char *, std::string &, size_t)
@@ -217,11 +219,12 @@ public:
* @param data - the query string (text)
* @param name - the key to search for
* @param dst - the destination string
* @param occurrence - the occurrence of the selected name in the query (0 based).
* @param occurrence - the occurrence of the selected name in the query (0
*based).
* @return true if key was found
*/
static bool getParam(const std::string &data, const char *name,
std::string &dst, size_t occurrence=0) {
std::string &dst, size_t occurrence = 0) {
return getParam(data.c_str(), data.length(), name, dst, occurrence);
}
@@ -236,12 +239,12 @@ public:
* @param data_len - length of the query string
* @param name - the key to search for
* @param dst - the destination string
* @param occurrence - the occurrence of the selected name in the query (0 based).
* @param occurrence - the occurrence of the selected name in the query (0
*based).
* @return true if key was found
*/
static bool getParam(const char *data, size_t data_len, const char *name,
std::string &dst, size_t occurrence=0);
std::string &dst, size_t occurrence = 0);
/**
* urlDecode(const std::string &, std::string &, bool)
@@ -253,7 +256,8 @@ public:
* uses '+' as character for space, see RFC 1866 section 8.2.1
* http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt
*/
static void urlDecode(const std::string &src, std::string &dst, bool is_form_url_encoded=true) {
static void urlDecode(const std::string &src, std::string &dst,
bool is_form_url_encoded = true) {
urlDecode(src.c_str(), src.length(), dst, is_form_url_encoded);
}
@@ -268,7 +272,8 @@ public:
* uses '+' as character for space, see RFC 1866 section 8.2.1
* http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt
*/
static void urlDecode(const char *src, size_t src_len, std::string &dst, bool is_form_url_encoded=true);
static void urlDecode(const char *src, size_t src_len, std::string &dst,
bool is_form_url_encoded = true);
/**
* urlDecode(const char *, std::string &, bool)
@@ -280,7 +285,8 @@ public:
* uses '+' as character for space, see RFC 1866 section 8.2.1
* http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt
*/
static void urlDecode(const char *src, std::string &dst, bool is_form_url_encoded=true);
static void urlDecode(const char *src, std::string &dst,
bool is_form_url_encoded = true);
/**
* urlEncode(const std::string &, std::string &, bool)
@@ -289,7 +295,8 @@ public:
* @param dst - destination string
* @param append - true if string should not be cleared before encoding.
*/
static void urlEncode(const std::string &src, std::string &dst, bool append=false) {
static void urlEncode(const std::string &src, std::string &dst,
bool append = false) {
urlEncode(src.c_str(), src.length(), dst, append);
}
@@ -300,7 +307,8 @@ public:
* @param dst - destination string
* @param append - true if string should not be cleared before encoding.
*/
static void urlEncode(const char *src, std::string &dst, bool append=false);
static void urlEncode(const char *src, std::string &dst,
bool append = false);
/**
* urlEncode(const char *, size_t, std::string &, bool)
@@ -310,12 +318,13 @@ public:
* @param dst - destination string
* @param append - true if string should not be cleared before encoding.
*/
static void urlEncode(const char *src, size_t src_len, std::string &dst, bool append=false);
static void urlEncode(const char *src, size_t src_len, std::string &dst,
bool append = false);
protected:
protected:
class CivetConnection {
public:
char * postData;
char *postData;
unsigned long postDataLen;
CivetConnection();
@@ -325,7 +334,7 @@ protected:
struct mg_context *context;
std::map<struct mg_connection *, class CivetConnection> connections;
private:
private:
/**
* requestHandler(struct mg_connection *, void *cbdata)
*
@@ -350,7 +359,6 @@ private:
* Stores the user provided close handler
*/
void (*userCloseHandler)(const struct mg_connection *conn);
};
#endif /* __cplusplus */

207
include/civetweb.h
View File

@@ -26,17 +26,17 @@
#define CIVETWEB_VERSION "1.7"
#ifndef CIVETWEB_API
#if defined(_WIN32)
#if defined(CIVETWEB_DLL_EXPORTS)
#define CIVETWEB_API __declspec(dllexport)
#elif defined(CIVETWEB_DLL_IMPORTS)
#define CIVETWEB_API __declspec(dllimport)
#else
#define CIVETWEB_API
#endif
#else
#define CIVETWEB_API
#endif
#if defined(_WIN32)
#if defined(CIVETWEB_DLL_EXPORTS)
#define CIVETWEB_API __declspec(dllexport)
#elif defined(CIVETWEB_DLL_IMPORTS)
#define CIVETWEB_API __declspec(dllimport)
#else
#define CIVETWEB_API
#endif
#else
#define CIVETWEB_API
#endif
#endif
#include <stdio.h>
@@ -49,7 +49,6 @@ extern "C" {
struct mg_context; /* Handle for the HTTP service itself */
struct mg_connection; /* Handle for the individual connection */
/* This structure contains information about the HTTP request. */
struct mg_request_info {
const char *request_method; /* "GET", "POST", etc */
@@ -60,7 +59,9 @@ struct mg_request_info {
const char *remote_user; /* Authenticated user, or NULL if no auth
used */
char remote_addr[48]; /* Client's IP address as a string. */
long remote_ip; /* Client's IP address. Deprecated: use remote_addr instead */
long
remote_ip; /* Client's IP address. Deprecated: use remote_addr instead
*/
long long content_length; /* Length (in bytes) of the request body,
can be -1 if no length was given. */
@@ -76,7 +77,6 @@ struct mg_request_info {
} http_headers[64]; /* Maximum 64 headers */
};
/* This structure needs to be passed to mg_start(), to let civetweb know
which callbacks to invoke. For a detailed description, see
https://github.com/bel2125/civetweb/blob/master/docs/UserManual.md */
@@ -136,8 +136,8 @@ struct mg_callbacks {
1: keep this websocket connection open.
0: close this websocket connection.
This callback is deprecated, use mg_set_websocket_handler instead. */
int (*websocket_data)(struct mg_connection *, int bits,
char *data, size_t data_len);
int (*websocket_data)(struct mg_connection *, int bits, char *data,
size_t data_len);
/* Called when civetweb is closing a connection. The per-context mutex is
locked when this is invoked. This is primarily useful for noting when
@@ -157,8 +157,8 @@ struct mg_callbacks {
NULL: do not serve file from memory, proceed with normal file open.
non-NULL: pointer to the file contents in memory. data_len must be
initilized with the size of the memory block. */
const char * (*open_file)(const struct mg_connection *,
const char *path, size_t *data_len);
const char *(*open_file)(const struct mg_connection *, const char *path,
size_t *data_len);
/* Called when civetweb is about to serve Lua server page, if
Lua support is enabled.
@@ -185,15 +185,14 @@ struct mg_callbacks {
are processed.
Parameters:
ctx: context handle */
void (*init_context)(const struct mg_context * ctx);
void (*init_context)(const struct mg_context *ctx);
/* Called when civetweb context is deleted.
Parameters:
ctx: context handle */
void (*exit_context)(const struct mg_context * ctx);
void (*exit_context)(const struct mg_context *ctx);
};
/* Start web server.
Parameters:
@@ -223,7 +222,6 @@ CIVETWEB_API struct mg_context *mg_start(const struct mg_callbacks *callbacks,
void *user_data,
const char **configuration_options);
/* Stop the web server.
Must be called last, when an application wants to stop the web server and
@@ -231,7 +229,6 @@ CIVETWEB_API struct mg_context *mg_start(const struct mg_callbacks *callbacks,
threads are stopped. Context pointer becomes invalid. */
CIVETWEB_API void mg_stop(struct mg_context *);
/* mg_request_handler
Called when a new request comes in. This callback is URI based
@@ -243,8 +240,7 @@ CIVETWEB_API void mg_stop(struct mg_context *);
Returns:
0: the handler could not handle the request, so fall through.
1: the handler processed the request. */
typedef int (* mg_request_handler)(struct mg_connection *conn, void *cbdata);
typedef int (*mg_request_handler)(struct mg_connection *conn, void *cbdata);
/* mg_set_request_handler
@@ -261,11 +257,16 @@ typedef int (* mg_request_handler)(struct mg_connection *conn, void *cbdata);
ctx: server context
uri: the URI (exact or pattern) for the handler
handler: the callback handler to use when the URI is requested.
If NULL, an already registered handler for this URI will be removed.
The URI used to remove a handler must match exactly the one used to
If NULL, an already registered handler for this URI will be
removed.
The URI used to remove a handler must match exactly the one used
to
register it (not only a pattern match).
cbdata: the callback data to give to the handler when it is called. */
CIVETWEB_API void mg_set_request_handler(struct mg_context *ctx, const char *uri, mg_request_handler handler, void *cbdata);
CIVETWEB_API void mg_set_request_handler(struct mg_context *ctx,
const char *uri,
mg_request_handler handler,
void *cbdata);
/* Callback types for websocket handlers in C/C++.
@@ -292,23 +293,25 @@ CIVETWEB_API void mg_set_request_handler(struct mg_context *ctx, const char *uri
mg_connection_close_handler
Is called, when the connection is closed.*/
typedef int (*mg_websocket_connect_handler)(const struct mg_connection *, void *);
typedef int (*mg_websocket_connect_handler)(const struct mg_connection *,
void *);
typedef void (*mg_websocket_ready_handler)(struct mg_connection *, void *);
typedef int (*mg_websocket_data_handler)(struct mg_connection *, int, char *, size_t, void *);
typedef void (*mg_websocket_close_handler)(const struct mg_connection *, void *);
typedef int (*mg_websocket_data_handler)(struct mg_connection *, int, char *,
size_t, void *);
typedef void (*mg_websocket_close_handler)(const struct mg_connection *,
void *);
/* mg_set_websocket_handler
Set or remove handler functions for websocket connections.
This function works similar to mg_set_request_handler - see there. */
CIVETWEB_API void mg_set_websocket_handler(struct mg_context *ctx,
const char *uri,
CIVETWEB_API void
mg_set_websocket_handler(struct mg_context *ctx, const char *uri,
mg_websocket_connect_handler connect_handler,
mg_websocket_ready_handler ready_handler,
mg_websocket_data_handler data_handler,
mg_websocket_close_handler close_handler,
void *cbdata
);
void *cbdata);
/* Get the value of particular configuration parameter.
The value returned is read-only. Civetweb does not allow changing
@@ -316,24 +319,23 @@ CIVETWEB_API void mg_set_websocket_handler(struct mg_context *ctx,
If given parameter name is not valid, NULL is returned. For valid
names, return value is guaranteed to be non-NULL. If parameter is not
set, zero-length string is returned. */
CIVETWEB_API const char *mg_get_option(const struct mg_context *ctx, const char *name);
CIVETWEB_API const char *mg_get_option(const struct mg_context *ctx,
const char *name);
/* Get context from connection. */
CIVETWEB_API struct mg_context *mg_get_context(const struct mg_connection *conn);
CIVETWEB_API struct mg_context *
mg_get_context(const struct mg_connection *conn);
/* Get user data passed to mg_start from context. */
CIVETWEB_API void *mg_get_user_data(const struct mg_context *ctx);
/* Set user data for the current connection. */
CIVETWEB_API void mg_set_user_connection_data(const struct mg_connection *conn, void *data);
CIVETWEB_API void mg_set_user_connection_data(const struct mg_connection *conn,
void *data);
/* Get user data set for the current connection. */
CIVETWEB_API void *mg_get_user_connection_data(const struct mg_connection *conn);
CIVETWEB_API void *
mg_get_user_connection_data(const struct mg_connection *conn);
#if defined(MG_LEGACY_INTERFACE)
/* Return array of strings that represent valid configuration options.
@@ -344,11 +346,10 @@ CIVETWEB_API void *mg_get_user_connection_data(const struct mg_connection *conn)
CIVETWEB_API const char **mg_get_valid_option_names(void);
#endif
struct mg_option {
const char * name;
const char *name;
int type;
const char * default_value;
const char *default_value;
};
enum {
@@ -361,13 +362,11 @@ enum {
CONFIG_TYPE_EXT_PATTERN = 0x6
};
/* Return array of struct mg_option, representing all valid configuration
options of civetweb.c.
The array is terminated by a NULL name option. */
CIVETWEB_API const struct mg_option *mg_get_valid_options(void);
/* Get the list of ports that civetweb is listening on.
size is the size of the ports int array and ssl int array to fill.
It is the caller's responsibility to make sure ports and ssl each
@@ -375,8 +374,8 @@ CIVETWEB_API const struct mg_option *mg_get_valid_options(void);
Return value is the number of ports and ssl information filled in.
The value returned is read-only. Civetweb does not allow changing
configuration at run time. */
CIVETWEB_API size_t mg_get_ports(const struct mg_context *ctx, size_t size, int* ports, int* ssl);
CIVETWEB_API size_t
mg_get_ports(const struct mg_context *ctx, size_t size, int *ports, int *ssl);
/* Add, edit or delete the entry in the passwords file.
@@ -391,14 +390,12 @@ CIVETWEB_API size_t mg_get_ports(const struct mg_context *ctx, size_t size, int*
Return:
1 on success, 0 on error. */
CIVETWEB_API int mg_modify_passwords_file(const char *passwords_file_name,
const char *domain,
const char *user,
const char *domain, const char *user,
const char *password);
/* Return information associated with the request. */
CIVETWEB_API const struct mg_request_info *mg_get_request_info(const struct mg_connection *);
CIVETWEB_API const struct mg_request_info *
mg_get_request_info(const struct mg_connection *);
/* Send data to the client.
Return:
@@ -407,7 +404,6 @@ CIVETWEB_API const struct mg_request_info *mg_get_request_info(const struct mg_c
>0 number of bytes written on success */
CIVETWEB_API int mg_write(struct mg_connection *, const void *buf, size_t len);
/* Send data to a websocket client wrapped in a websocket frame. Uses
mg_lock_connection to ensure that the transmission is not interrupted,
i.e., when the application is proactively communicating and responding to
@@ -420,17 +416,16 @@ CIVETWEB_API int mg_write(struct mg_connection *, const void *buf, size_t len);
0 when the connection has been closed
-1 on error
>0 number of bytes written on success */
CIVETWEB_API int mg_websocket_write(struct mg_connection* conn, int opcode,
CIVETWEB_API int mg_websocket_write(struct mg_connection *conn, int opcode,
const char *data, size_t data_len);
/* Blocks until unique access is obtained to this connection. Intended for use
with websockets only.
Invoke this before mg_write or mg_printf when communicating with a
websocket if your code has server-initiated communication as well as
communication in direct response to a message. */
CIVETWEB_API void mg_lock_connection(struct mg_connection* conn);
CIVETWEB_API void mg_unlock_connection(struct mg_connection* conn);
CIVETWEB_API void mg_lock_connection(struct mg_connection *conn);
CIVETWEB_API void mg_unlock_connection(struct mg_connection *conn);
#if defined(MG_LEGACY_INTERFACE)
#define mg_lock mg_lock_connection
@@ -439,9 +434,8 @@ CIVETWEB_API void mg_unlock_connection(struct mg_connection* conn);
/* Lock server context. This lock may be used to protect resources
that are shared between different connection/worker threads. */
CIVETWEB_API void mg_lock_context(struct mg_context* ctx);
CIVETWEB_API void mg_unlock_context(struct mg_context* ctx);
CIVETWEB_API void mg_lock_context(struct mg_context *ctx);
CIVETWEB_API void mg_unlock_context(struct mg_context *ctx);
/* Opcodes, from http://tools.ietf.org/html/rfc6455 */
enum {
@@ -453,7 +447,6 @@ enum {
WEBSOCKET_OPCODE_PONG = 0xa
};
/* Macros for enabling compiler-specific checks for printf-like arguments. */
#undef PRINTF_FORMAT_STRING
#if defined(_MSC_VER) && _MSC_VER >= 1400
@@ -476,13 +469,12 @@ enum {
/* Send data to the client using printf() semantics.
Works exactly like mg_write(), but allows to do message formatting. */
CIVETWEB_API int mg_printf(struct mg_connection *,
PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
PRINTF_FORMAT_STRING(const char *fmt), ...)
PRINTF_ARGS(2, 3);
/* Send contents of the entire file together with HTTP headers. */
CIVETWEB_API void mg_send_file(struct mg_connection *conn, const char *path);
/* Read data from the remote end, return number of bytes read.
Return:
0 connection has been closed by peer. No more data could be read.
@@ -490,14 +482,13 @@ CIVETWEB_API void mg_send_file(struct mg_connection *conn, const char *path);
> 0 number of bytes read into the buffer. */
CIVETWEB_API int mg_read(struct mg_connection *, void *buf, size_t len);
/* Get the value of particular HTTP header.
This is a helper function. It traverses request_info->http_headers array,
and if the header is present in the array, returns its value. If it is
not present, NULL is returned. */
CIVETWEB_API const char *mg_get_header(const struct mg_connection *, const char *name);
CIVETWEB_API const char *mg_get_header(const struct mg_connection *,
const char *name);
/* Get a value of particular form variable.
@@ -521,7 +512,6 @@ CIVETWEB_API const char *mg_get_header(const struct mg_connection *, const char
CIVETWEB_API int mg_get_var(const char *data, size_t data_len,
const char *var_name, char *dst, size_t dst_len);
/* Get a value of particular form variable.
Parameters:
@@ -546,8 +536,8 @@ CIVETWEB_API int mg_get_var(const char *data, size_t data_len,
Destination buffer is guaranteed to be '\0' - terminated if it is not
NULL or zero length. */
CIVETWEB_API int mg_get_var2(const char *data, size_t data_len,
const char *var_name, char *dst, size_t dst_len, size_t occurrence);
const char *var_name, char *dst, size_t dst_len,
size_t occurrence);
/* Fetch value of certain cookie variable into the destination buffer.
@@ -565,7 +555,6 @@ CIVETWEB_API int mg_get_var2(const char *data, size_t data_len,
CIVETWEB_API int mg_get_cookie(const char *cookie, const char *var_name,
char *buf, size_t buf_len);
/* Download data from the remote web server.
host: host name to connect to, e.g. "foo.com", or "10.12.40.1".
port: port number, e.g. 80.
@@ -581,37 +570,33 @@ CIVETWEB_API int mg_get_cookie(const char *cookie, const char *var_name,
conn = mg_download("google.com", 80, 0, ebuf, sizeof(ebuf),
"%s", "GET / HTTP/1.0\r\nHost: google.com\r\n\r\n");
*/
CIVETWEB_API struct mg_connection *mg_download(const char *host, int port, int use_ssl,
char *error_buffer, size_t error_buffer_size,
PRINTF_FORMAT_STRING(const char *request_fmt),
...) PRINTF_ARGS(6, 7);
CIVETWEB_API struct mg_connection *
mg_download(const char *host, int port, int use_ssl, char *error_buffer,
size_t error_buffer_size,
PRINTF_FORMAT_STRING(const char *request_fmt), ...)
PRINTF_ARGS(6, 7);
/* Close the connection opened by mg_download(). */
CIVETWEB_API void mg_close_connection(struct mg_connection *conn);
/* File upload functionality. Each uploaded file gets saved into a temporary
file and MG_UPLOAD event is sent.
Return number of uploaded files. */
CIVETWEB_API int mg_upload(struct mg_connection *conn, const char *destination_dir);
CIVETWEB_API int mg_upload(struct mg_connection *conn,
const char *destination_dir);
/* Convenience function -- create detached thread.
Return: 0 on success, non-0 on error. */
typedef void * (*mg_thread_func_t)(void *);
typedef void *(*mg_thread_func_t)(void *);
CIVETWEB_API int mg_start_thread(mg_thread_func_t f, void *p);
/* Return builtin mime type for the given file name.
For unrecognized extensions, "text/plain" is returned. */
CIVETWEB_API const char *mg_get_builtin_mime_type(const char *file_name);
/* Return Civetweb version. */
CIVETWEB_API const char *mg_version(void);
/* URL-decode input buffer into destination buffer.
0-terminate the destination buffer.
form-url-encoded data differs from URI encoding in a way that it
@@ -621,13 +606,11 @@ CIVETWEB_API const char *mg_version(void);
CIVETWEB_API int mg_url_decode(const char *src, int src_len, char *dst,
int dst_len, int is_form_url_encoded);
/* URL-encode input buffer into destination buffer.
returns the length of the resulting buffer or -1
is the buffer is too small. */
CIVETWEB_API int mg_url_encode(const char *src, char *dst, size_t dst_len);
/* MD5 hash given strings.
Buffer 'buf' must be 33 bytes long. Varargs is a NULL terminated list of
ASCIIz strings. When function returns, buf will contain human-readable
@@ -636,7 +619,6 @@ CIVETWEB_API int mg_url_encode(const char *src, char *dst, size_t dst_len);
mg_md5(buf, "aa", "bb", NULL); */
CIVETWEB_API char *mg_md5(char buf[33], ...);
/* Print error message to the opened error log stream.
This utilizes the provided logging configuration.
conn: connection
@@ -645,22 +627,24 @@ CIVETWEB_API char *mg_md5(char buf[33], ...);
Example:
mg_cry(conn,"i like %s", "logging"); */
CIVETWEB_API void mg_cry(const struct mg_connection *conn,
PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
PRINTF_FORMAT_STRING(const char *fmt), ...)
PRINTF_ARGS(2, 3);
/* utility method to compare two buffers, case incensitive. */
CIVETWEB_API int mg_strncasecmp(const char *s1, const char *s2, size_t len);
/* Connect to a websocket as a client
Parameters:
host: host to connect to, i.e. "echo.websocket.org" or "192.168.1.1" or "localhost"
host: host to connect to, i.e. "echo.websocket.org" or "192.168.1.1" or
"localhost"
port: server port
use_ssl: make a secure connection to server
error_buffer, error_buffer_size: buffer for an error message
path: server path you are trying to connect to, i.e. if connection to localhost/app, path should be "/app"
path: server path you are trying to connect to, i.e. if connection to
localhost/app, path should be "/app"
origin: value of the Origin HTTP header
data_func: callback that should be used when data is received from the server
data_func: callback that should be used when data is received from the
server
user_data: user supplied argument
Return:
@@ -668,16 +652,16 @@ CIVETWEB_API int mg_strncasecmp(const char *s1, const char *s2, size_t len);
On error, NULL. Se error_buffer for details.
*/
CIVETWEB_API struct mg_connection *mg_connect_websocket_client(const char *host, int port, int use_ssl,
char *error_buffer, size_t error_buffer_size,
const char *path, const char *origin,
CIVETWEB_API struct mg_connection *mg_connect_websocket_client(
const char *host, int port, int use_ssl, char *error_buffer,
size_t error_buffer_size, const char *path, const char *origin,
mg_websocket_data_handler data_func, mg_websocket_close_handler close_func,
void * user_data);
void *user_data);
/* Connect to a TCP server as a client (can be used to connect to a HTTP server)
Parameters:
host: host to connect to, i.e. "www.wikipedia.org" or "192.168.1.1" or "localhost"
host: host to connect to, i.e. "www.wikipedia.org" or "192.168.1.1" or
"localhost"
port: server port
use_ssl: make a secure connection to server
error_buffer, error_buffer_size: buffer for an error message
@@ -686,27 +670,26 @@ CIVETWEB_API struct mg_connection *mg_connect_websocket_client(const char *host,
On success, valid mg_connection object.
On error, NULL. Se error_buffer for details.
*/
CIVETWEB_API struct mg_connection *mg_connect_client(const char *host, int port, int use_ssl,
char *error_buffer, size_t error_buffer_size);
enum {
TIMEOUT_INFINITE = -1
};
CIVETWEB_API struct mg_connection *mg_connect_client(const char *host, int port,
int use_ssl,
char *error_buffer,
size_t error_buffer_size);
enum { TIMEOUT_INFINITE = -1 };
/* Wait for a response from the server
Parameters:
conn: connection
ebuf, ebuf_len: error message placeholder.
timeout: time to wait for a response in milliseconds (if < 0 then wait forever)
timeout: time to wait for a response in milliseconds (if < 0 then wait
forever)
Return:
On success, >= 0
On error/timeout, < 0
*/
CIVETWEB_API int mg_get_response(struct mg_connection *conn, char *ebuf, size_t ebuf_len, int timeout);
CIVETWEB_API int mg_get_response(struct mg_connection *conn, char *ebuf,
size_t ebuf_len, int timeout);
#ifdef __cplusplus
}

153
src/CivetServer.cpp
View File

@@ -15,50 +15,47 @@
#define UNUSED_PARAMETER(x) (void)(x)
#endif
bool CivetHandler::handleGet(CivetServer *server, struct mg_connection *conn)
{
bool CivetHandler::handleGet(CivetServer *server, struct mg_connection *conn) {
UNUSED_PARAMETER(server);
UNUSED_PARAMETER(conn);
return false;
}
bool CivetHandler::handlePost(CivetServer *server, struct mg_connection *conn)
{
bool CivetHandler::handlePost(CivetServer *server, struct mg_connection *conn) {
UNUSED_PARAMETER(server);
UNUSED_PARAMETER(conn);
return false;
}
bool CivetHandler::handlePut(CivetServer *server, struct mg_connection *conn)
{
bool CivetHandler::handlePut(CivetServer *server, struct mg_connection *conn) {
UNUSED_PARAMETER(server);
UNUSED_PARAMETER(conn);
return false;
}
bool CivetHandler::handleDelete(CivetServer *server, struct mg_connection *conn)
{
bool CivetHandler::handleDelete(CivetServer *server,
struct mg_connection *conn) {
UNUSED_PARAMETER(server);
UNUSED_PARAMETER(conn);
return false;
}
bool CivetHandler::handleOptions(CivetServer *server, struct mg_connection *conn)
{
bool CivetHandler::handleOptions(CivetServer *server,
struct mg_connection *conn) {
UNUSED_PARAMETER(server);
UNUSED_PARAMETER(conn);
return false;
}
int CivetServer::requestHandler(struct mg_connection *conn, void *cbdata)
{
int CivetServer::requestHandler(struct mg_connection *conn, void *cbdata) {
const struct mg_request_info *request_info = mg_get_request_info(conn);
assert(request_info != NULL);
CivetServer *me = (CivetServer*) (request_info->user_data);
CivetServer *me = (CivetServer *)(request_info->user_data);
assert(me != NULL);
// Happens when a request hits the server before the context is saved
if (me->context == NULL) return 0;
if (me->context == NULL)
return 0;
mg_lock_context(me->context);
me->connections[conn] = CivetConnection();
@@ -84,9 +81,8 @@ int CivetServer::requestHandler(struct mg_connection *conn, void *cbdata)
}
CivetServer::CivetServer(const char **options,
const struct mg_callbacks *_callbacks) :
context(0)
{
const struct mg_callbacks *_callbacks)
: context(0) {
struct mg_callbacks callbacks;
memset(&callbacks, 0, sizeof(callbacks));
@@ -98,84 +94,82 @@ CivetServer::CivetServer(const char **options,
}
callbacks.connection_close = closeHandler;
context = mg_start(&callbacks, this, options);
if (context == NULL) throw CivetException("null context when constructing CivetServer. Possible problem binding to port.");
if (context == NULL)
throw CivetException("null context when constructing CivetServer. "
"Possible problem binding to port.");
}
CivetServer::~CivetServer()
{
close();
}
CivetServer::~CivetServer() { close(); }
void CivetServer::closeHandler(const struct mg_connection *conn)
{
void CivetServer::closeHandler(const struct mg_connection *conn) {
const struct mg_request_info *request_info = mg_get_request_info(conn);
assert(request_info != NULL);
CivetServer *me = (CivetServer*) (request_info->user_data);
CivetServer *me = (CivetServer *)(request_info->user_data);
assert(me != NULL);
// Happens when a request hits the server before the context is saved
if (me->context == NULL) return;
if (me->context == NULL)
return;
if (me->userCloseHandler) me->userCloseHandler(conn);
if (me->userCloseHandler)
me->userCloseHandler(conn);
mg_lock_context(me->context);
me->connections.erase(const_cast<struct mg_connection *>(conn));
mg_unlock_context(me->context);
}
void CivetServer::addHandler(const std::string &uri, CivetHandler *handler)
{
void CivetServer::addHandler(const std::string &uri, CivetHandler *handler) {
mg_set_request_handler(context, uri.c_str(), requestHandler, handler);
}
void CivetServer::removeHandler(const std::string &uri)
{
void CivetServer::removeHandler(const std::string &uri) {
mg_set_request_handler(context, uri.c_str(), NULL, NULL);
}
void CivetServer::close()
{
void CivetServer::close() {
if (context) {
mg_stop (context);
mg_stop(context);
context = 0;
}
}
int CivetServer::getCookie(struct mg_connection *conn, const std::string &cookieName, std::string &cookieValue)
{
//Maximum cookie length as per microsoft is 4096. http://msdn.microsoft.com/en-us/library/ms178194.aspx
int CivetServer::getCookie(struct mg_connection *conn,
const std::string &cookieName,
std::string &cookieValue) {
// Maximum cookie length as per microsoft is 4096.
// http://msdn.microsoft.com/en-us/library/ms178194.aspx
char _cookieValue[4096];
const char *cookie = mg_get_header(conn, "Cookie");
int lRead = mg_get_cookie(cookie, cookieName.c_str(), _cookieValue, sizeof(_cookieValue));
int lRead = mg_get_cookie(cookie, cookieName.c_str(), _cookieValue,
sizeof(_cookieValue));
cookieValue.clear();
cookieValue.append(_cookieValue);
return lRead;
}
const char* CivetServer::getHeader(struct mg_connection *conn, const std::string &headerName)
{
const char *CivetServer::getHeader(struct mg_connection *conn,
const std::string &headerName) {
return mg_get_header(conn, headerName.c_str());
}
void
CivetServer::urlDecode(const char *src, std::string &dst, bool is_form_url_encoded)
{
void CivetServer::urlDecode(const char *src, std::string &dst,
bool is_form_url_encoded) {
urlDecode(src, strlen(src), dst, is_form_url_encoded);
}
void
CivetServer::urlDecode(const char *src, size_t src_len, std::string &dst, bool is_form_url_encoded)
{
void CivetServer::urlDecode(const char *src, size_t src_len, std::string &dst,
bool is_form_url_encoded) {
int i, j, a, b;
#define HEXTOI(x) (isdigit(x) ? x - '0' : x - 'W')
dst.clear();
for (i = j = 0; i < (int)src_len; i++, j++) {
if (i < (int)src_len - 2 && src[i] == '%' &&
isxdigit(* (const unsigned char *) (src + i + 1)) &&
isxdigit(* (const unsigned char *) (src + i + 2))) {
a = tolower(* (const unsigned char *) (src + i + 1));
b = tolower(* (const unsigned char *) (src + i + 2));
dst.push_back((char) ((HEXTOI(a) << 4) | HEXTOI(b)));
isxdigit(*(const unsigned char *)(src + i + 1)) &&
isxdigit(*(const unsigned char *)(src + i + 2))) {
a = tolower(*(const unsigned char *)(src + i + 1));
b = tolower(*(const unsigned char *)(src + i + 2));
dst.push_back((char)((HEXTOI(a) << 4) | HEXTOI(b)));
i += 2;
} else if (is_form_url_encoded && src[i] == '+') {
dst.push_back(' ');
@@ -185,14 +179,12 @@ CivetServer::urlDecode(const char *src, size_t src_len, std::string &dst, bool i
}
}
bool
CivetServer::getParam(struct mg_connection *conn, const char *name,
std::string &dst, size_t occurrence)
{
bool CivetServer::getParam(struct mg_connection *conn, const char *name,
std::string &dst, size_t occurrence) {
const char *formParams = NULL;
const struct mg_request_info *ri = mg_get_request_info(conn);
assert(ri != NULL);
CivetServer *me = (CivetServer*) (ri->user_data);
CivetServer *me = (CivetServer *)(ri->user_data);
assert(me != NULL);
mg_lock_context(me->context);
CivetConnection &conobj = me->connections[conn];
@@ -202,13 +194,15 @@ CivetServer::getParam(struct mg_connection *conn, const char *name,
if (conobj.postData != NULL) {
formParams = conobj.postData;
} else {
const char * con_len_str = mg_get_header(conn, "Content-Length");
const char *con_len_str = mg_get_header(conn, "Content-Length");
if (con_len_str) {
unsigned long con_len = atoi(con_len_str);
if (con_len>0) {
// Add one extra character: in case the post-data is a text, it is required as 0-termination.
// Do not increment con_len, since the 0 terminating is not part of the content (text or binary).
conobj.postData = (char*)malloc(con_len + 1);
if (con_len > 0) {
// Add one extra character: in case the post-data is a text, it
// is required as 0-termination.
// Do not increment con_len, since the 0 terminating is not part
// of the content (text or binary).
conobj.postData = (char *)malloc(con_len + 1);
if (conobj.postData != NULL) {
// malloc may fail for huge requests
mg_read(conn, conobj.postData, con_len);
@@ -220,7 +214,8 @@ CivetServer::getParam(struct mg_connection *conn, const char *name,
}
}
if (formParams == NULL) {
// get requests do store html <form> field values in the http query_string
// get requests do store html <form> field values in the http
// query_string
formParams = ri->query_string;
}
mg_unlock_connection(conn);
@@ -232,10 +227,8 @@ CivetServer::getParam(struct mg_connection *conn, const char *name,
return false;
}
bool
CivetServer::getParam(const char *data, size_t data_len, const char *name,
std::string &dst, size_t occurrence)
{
bool CivetServer::getParam(const char *data, size_t data_len, const char *name,
std::string &dst, size_t occurrence) {
const char *p, *e, *s;
size_t name_len;
@@ -255,7 +248,7 @@ CivetServer::getParam(const char *data, size_t data_len, const char *name,
p += name_len + 1;
// Point s to the end of the value
s = (const char *) memchr(p, '&', (size_t)(e - p));
s = (const char *)memchr(p, '&', (size_t)(e - p));
if (s == NULL) {
s = e;
}
@@ -269,15 +262,12 @@ CivetServer::getParam(const char *data, size_t data_len, const char *name,
return false;
}
void
CivetServer::urlEncode(const char *src, std::string &dst, bool append)
{
void CivetServer::urlEncode(const char *src, std::string &dst, bool append) {
urlEncode(src, strlen(src), dst, append);
}
void
CivetServer::urlEncode(const char *src, size_t src_len, std::string &dst, bool append)
{
void CivetServer::urlEncode(const char *src, size_t src_len, std::string &dst,
bool append) {
static const char *dont_escape = "._-$,;~()";
static const char *hex = "0123456789abcdef";
@@ -285,20 +275,18 @@ CivetServer::urlEncode(const char *src, size_t src_len, std::string &dst, bool a
dst.clear();
for (; src_len > 0; src++, src_len--) {
if (isalnum(*(const unsigned char *) src) ||
strchr(dont_escape, * (const unsigned char *) src) != NULL) {
if (isalnum(*(const unsigned char *)src) ||
strchr(dont_escape, *(const unsigned char *)src) != NULL) {
dst.push_back(*src);
} else {
dst.push_back('%');
dst.push_back(hex[(* (const unsigned char *) src) >> 4]);
dst.push_back(hex[(* (const unsigned char *) src) & 0xf]);
dst.push_back(hex[(*(const unsigned char *)src) >> 4]);
dst.push_back(hex[(*(const unsigned char *)src) & 0xf]);
}
}
}
std::vector<int>
CivetServer::getListeningPorts()
{
std::vector<int> CivetServer::getListeningPorts() {
std::vector<int> ports(10);
std::vector<int> ssl(10);
size_t size = mg_get_ports(context, ports.size(), &ports[0], &ssl[0]);
@@ -307,12 +295,9 @@ CivetServer::getListeningPorts()
return ports;
}
CivetServer::CivetConnection::CivetConnection() {
postData = NULL;
postDataLen = 0;
}
CivetServer::CivetConnection::~CivetConnection() {
free(postData);
}
CivetServer::CivetConnection::~CivetConnection() { free(postData); }

801
src/main.c
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