Commit b946f331 authored by Sergey Lyubka's avatar Sergey Lyubka

Moved more docs to the web site

parent 1e0b7054
......@@ -50,124 +50,26 @@ struct mg_request_info {
};
// This structure needs to be passed to mg_start(), to let mongoose know
// which callbacks to invoke.
struct mg_callbacks {
// Called when mongoose has received new HTTP request.
// If callback returns non-zero,
// callback must process the request by sending valid HTTP headers and body,
// and mongoose will not do any further processing.
// If callback returns 0, mongoose processes the request itself. In this case,
// callback must not send any data to the client.
int (*begin_request)(struct mg_connection *);
// Called when mongoose has finished processing request.
void (*end_request)(const struct mg_connection *, int reply_status_code);
// Called when mongoose is about to log a message. If callback returns
// non-zero, mongoose does not log anything.
int (*log_message)(const struct mg_connection *, const char *message);
// Called when mongoose initializes SSL library.
int (*init_ssl)(void *ssl_context, void *user_data);
// Called when websocket request is received, before websocket handshake.
// If callback returns 0, mongoose proceeds with handshake, otherwise
// cinnection is closed immediately.
int (*websocket_connect)(const struct mg_connection *);
// Called when websocket handshake is successfully completed, and
// connection is ready for data exchange.
void (*websocket_ready)(struct mg_connection *);
// Called when data frame has been received from the client.
// Parameters:
// bits: first byte of the websocket frame, see websocket RFC at
// http://tools.ietf.org/html/rfc6455, section 5.2
// data, data_len: payload, with mask (if any) already applied.
// Return value:
// non-0: keep this websocket connection opened.
// 0: close this websocket connection.
int (*websocket_data)(struct mg_connection *, int bits,
char *data, size_t data_len);
// Called when mongoose tries to open a file. Used to intercept file open
// calls, and serve file data from memory instead.
// Parameters:
// path: Full path to the file to open.
// data_len: Placeholder for the file size, if file is served from memory.
// Return value:
// 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);
// Called when mongoose is about to serve Lua server page (.lp file), if
// Lua support is enabled.
// Parameters:
// lua_context: "lua_State *" pointer.
void (*init_lua)(struct mg_connection *, void *lua_context);
// Called when mongoose has uploaded a file to a temporary directory as a
// result of mg_upload() call.
// Parameters:
// file_file: full path name to the uploaded file.
void (*upload)(struct mg_connection *, const char *file_name);
// Called at the beginning of mongoose's thread execution in the context of
// that thread. To be used to perform any extra per-thread initialization.
// Parameters:
// user_data: pointer passed to mg_start
// conn_data: per-connection, i.e. per-thread pointer. Can be used to
// store per-thread data, for example, database connection
// handles. Persistent between connections handled by the
// same thread.
// NOTE: this parameter is NULL for master thread, and non-NULL
// for worker threads.
void (*thread_start)(void *user_data, void **conn_data);
// Called when mongoose's thread is about to terminate.
// Same as thread_start() callback, but called when thread is about to be
// destroyed. Used to cleanup the state initialized by thread_start().
// Parameters: see thread_start().
void (*thread_stop)(void *user_data, void **conn_data);
};
// Start web server.
//
// Parameters:
// callbacks: mg_callbacks structure with user-defined callbacks.
// options: NULL terminated list of option_name, option_value pairs that
// specify Mongoose configuration parameters.
//
// Side-effects: on UNIX, ignores SIGPIPE signals. If custom
// processing is required SIGPIPE, signal handler must be set up
// after calling mg_start().
//
// Important: Mongoose does not install SIGCHLD handler. If CGI is used,
// SIGCHLD handler must be set up to reap CGI zombie processes.
//
// Example:
// const char *options[] = {
// "document_root", "/var/www",
// "listening_ports", "80,443s",
// NULL
// };
// struct mg_context *ctx = mg_start(&my_func, NULL, options);
//
// Return:
// web server context, or NULL on error.
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
// release all associated resources. This function blocks until all Mongoose
// threads are stopped. Context pointer becomes invalid.
void mg_stop(struct mg_context *);
......
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