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Import civetweb ans jsoncpp

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NADAL Jean-Baptiste
2016-02-27 00:07:26 +01:00
parent 5ed9eb9715
commit 3bc376da33
1153 changed files with 554633 additions and 0 deletions
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36
3P/civetweb/examples/embedded_c/Makefile Normal file
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#
# Copyright (c) 2013 No Face Press, LLC
# License http://opensource.org/licenses/mit-license.php MIT License
#
#This makefile is used to test the other Makefiles
PROG = embedded_c
SRC = embedded_c.c
TOP = ../..
CIVETWEB_LIB = libcivetweb.a
CFLAGS = -I$(TOP)/include $(COPT) -DUSE_WEBSOCKET -DUSE_IPV6
LIBS = -lpthread
include $(TOP)/resources/Makefile.in-os
ifeq ($(TARGET_OS),LINUX)
LIBS += -ldl
endif
all: $(PROG)
$(PROG): $(CIVETWEB_LIB) $(SRC)
$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS)
$(CIVETWEB_LIB):
$(MAKE) -C $(TOP) clean lib
cp $(TOP)/$(CIVETWEB_LIB) .
clean:
rm -f $(CIVETWEB_LIB) $(PROG)
.PHONY: all clean

462
3P/civetweb/examples/embedded_c/embedded_c.c Normal file
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/*
* Copyright (c) 2013-2015 the CivetWeb developers
* Copyright (c) 2013 No Face Press, LLC
* License http://opensource.org/licenses/mit-license.php MIT License
*/
/* Simple example program on how to use CivetWeb embedded into a C program. */
#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "civetweb.h"
#define DOCUMENT_ROOT "."
#ifdef NO_SSL
#ifdef USE_IPV6
#define PORT "[::]:8888"
#else
#define PORT "8888"
#endif
#else
#ifdef USE_IPV6
#define PORT "[::]:8888r,[::]:8843s"
#else
#define PORT "8888r,8843s"
#endif
#endif
#define EXAMPLE_URI "/example"
#define EXIT_URI "/exit"
int exitNow = 0;
int
ExampleHandler(struct mg_connection *conn, void *cbdata)
{
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<html><body>");
mg_printf(conn, "<h2>This is an example text from a C handler</h2>");
mg_printf(
conn,
"<p>To see a page from the A handler <a href=\"A\">click A</a></p>");
mg_printf(conn,
"<p>To see a page from the A handler <a href=\"A/A\">click "
"A/A</a></p>");
mg_printf(conn,
"<p>To see a page from the A/B handler <a "
"href=\"A/B\">click A/B</a></p>");
mg_printf(conn,
"<p>To see a page from the B handler (0) <a "
"href=\"B\">click B</a></p>");
mg_printf(conn,
"<p>To see a page from the B handler (1) <a "
"href=\"B/A\">click B/A</a></p>");
mg_printf(conn,
"<p>To see a page from the B handler (2) <a "
"href=\"B/B\">click B/B</a></p>");
mg_printf(conn,
"<p>To see a page from the *.foo handler <a "
"href=\"xy.foo\">click xy.foo</a></p>");
#ifdef USE_WEBSOCKET
mg_printf(conn,
"<p>To test websocket handler <a href=\"/websocket\">click "
"websocket</a></p>");
#endif
mg_printf(conn, "<p>To exit <a href=\"%s\">click exit</a></p>", EXIT_URI);
mg_printf(conn, "</body></html>\n");
return 1;
}
int
ExitHandler(struct mg_connection *conn, void *cbdata)
{
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\n");
mg_printf(conn, "Server will shut down.\n");
mg_printf(conn, "Bye!\n");
exitNow = 1;
return 1;
}
int
AHandler(struct mg_connection *conn, void *cbdata)
{
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<html><body>");
mg_printf(conn, "<h2>This is the A handler!!!</h2>");
mg_printf(conn, "</body></html>\n");
return 1;
}
int
ABHandler(struct mg_connection *conn, void *cbdata)
{
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<html><body>");
mg_printf(conn, "<h2>This is the AB handler!!!</h2>");
mg_printf(conn, "</body></html>\n");
return 1;
}
int
BXHandler(struct mg_connection *conn, void *cbdata)
{
/* Handler may access the request info using mg_get_request_info */
const struct mg_request_info *req_info = mg_get_request_info(conn);
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<html><body>");
mg_printf(conn, "<h2>This is the BX handler %p!!!</h2>", cbdata);
mg_printf(conn, "<p>The actual uri is %s</p>", req_info->uri);
mg_printf(conn, "</body></html>\n");
return 1;
}
int
FooHandler(struct mg_connection *conn, void *cbdata)
{
/* Handler may access the request info using mg_get_request_info */
const struct mg_request_info *req_info = mg_get_request_info(conn);
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<html><body>");
mg_printf(conn, "<h2>This is the Foo handler!!!</h2>");
mg_printf(conn,
"<p>The request was:<br><pre>%s %s HTTP/%s</pre></p>",
req_info->request_method,
req_info->uri,
req_info->http_version);
mg_printf(conn, "</body></html>\n");
return 1;
}
int
WebSocketStartHandler(struct mg_connection *conn, void *cbdata)
{
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
mg_printf(conn, "<!DOCTYPE html>\n");
mg_printf(conn, "<html>\n<head>\n");
mg_printf(conn, "<meta charset=\"UTF-8\">\n");
mg_printf(conn, "<title>Embedded websocket example</title>\n");
#ifdef USE_WEBSOCKET
/* mg_printf(conn, "<script type=\"text/javascript\"><![CDATA[\n"); ...
* xhtml style */
mg_printf(conn, "<script>\n");
mg_printf(
conn,
"function load() {\n"
" var wsproto = (location.protocol === 'https:') ? 'wss:' : 'ws:';\n"
" connection = new WebSocket(wsproto + '//' + window.location.host + "
"'/websocket');\n"
" websock_text_field = "
"document.getElementById('websock_text_field');\n"
" connection.onmessage = function (e) {\n"
" websock_text_field.innerHTML=e.data;\n"
" }\n"
" connection.onerror = function (error) {\n"
" alert('WebSocket error');\n"
" connection.close();\n"
" }\n"
"}\n");
/* mg_printf(conn, "]]></script>\n"); ... xhtml style */
mg_printf(conn, "</script>\n");
mg_printf(conn, "</head>\n<body onload=\"load()\">\n");
mg_printf(
conn,
"<div id='websock_text_field'>No websocket connection yet</div>\n");
#else
mg_printf(conn, "</head>\n<body>\n");
mg_printf(conn, "Example not compiled with USE_WEBSOCKET\n");
#endif
mg_printf(conn, "</body>\n</html>\n");
return 1;
}
#ifdef USE_WEBSOCKET
/* MAX_WS_CLIENTS defines how many clients can connect to a websocket at the
* same time. The value 5 is very small and used here only for demonstration;
* it can be easily tested to connect more than MAX_WS_CLIENTS clients.
* A real server should use a much higher number, or better use a dynamic list
* of currently connected websocket clients. */
#define MAX_WS_CLIENTS (5)
struct t_ws_client {
struct mg_connection *conn;
int state;
} static ws_clients[MAX_WS_CLIENTS];
#define ASSERT(x) \
{ \
if (!(x)) { \
fprintf(stderr, \
"Assertion failed in line %u\n", \
(unsigned)__LINE__); \
} \
}
int
WebSocketConnectHandler(const struct mg_connection *conn, void *cbdata)
{
struct mg_context *ctx = mg_get_context(conn);
int reject = 1;
int i;
mg_lock_context(ctx);
for (i = 0; i < MAX_WS_CLIENTS; i++) {
if (ws_clients[i].conn == NULL) {
ws_clients[i].conn = (struct mg_connection *)conn;
ws_clients[i].state = 1;
mg_set_user_connection_data(conn, (void *)(ws_clients + i));
reject = 0;
break;
}
}
mg_unlock_context(ctx);
fprintf(stdout,
"Websocket client %s\r\n\r\n",
(reject ? "rejected" : "accepted"));
return reject;
}
void
WebSocketReadyHandler(struct mg_connection *conn, void *cbdata)
{
const char *text = "Hello from the websocket ready handler";
struct t_ws_client *client = mg_get_user_connection_data(conn);
mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, text, strlen(text));
fprintf(stdout, "Greeting message sent to websocket client\r\n\r\n");
ASSERT(client->conn == conn);
ASSERT(client->state == 1);
client->state = 2;
}
int
WebsocketDataHandler(struct mg_connection *conn,
int bits,
char *data,
size_t len,
void *cbdata)
{
struct t_ws_client *client = mg_get_user_connection_data(conn);
ASSERT(client->conn == conn);
ASSERT(client->state >= 1);
fprintf(stdout, "Websocket got data:\r\n");
fwrite(data, len, 1, stdout);
fprintf(stdout, "\r\n\r\n");
return 1;
}
void
WebSocketCloseHandler(const struct mg_connection *conn, void *cbdata)
{
struct mg_context *ctx = mg_get_context(conn);
struct t_ws_client *client = mg_get_user_connection_data(conn);
ASSERT(client->conn == conn);
ASSERT(client->state >= 1);
mg_lock_context(ctx);
client->state = 0;
client->conn = NULL;
mg_unlock_context(ctx);
fprintf(stdout,
"Client droped from the set of webserver connections\r\n\r\n");
}
void
InformWebsockets(struct mg_context *ctx)
{
static unsigned long cnt = 0;
char text[32];
int i;
sprintf(text, "%lu", ++cnt);
mg_lock_context(ctx);
for (i = 0; i < MAX_WS_CLIENTS; i++) {
if (ws_clients[i].state == 2) {
mg_websocket_write(ws_clients[i].conn,
WEBSOCKET_OPCODE_TEXT,
text,
strlen(text));
}
}
mg_unlock_context(ctx);
}
#endif
int
main(int argc, char *argv[])
{
const char *options[] = {"document_root",
DOCUMENT_ROOT,
"listening_ports",
PORT,
"request_timeout_ms",
"10000",
"error_log_file",
"error.log",
#ifdef USE_WEBSOCKET
"websocket_timeout_ms",
"3600000",
#endif
#ifndef NO_SSL
"ssl_certificate",
"../../resources/cert/server.pem",
#endif
0};
struct mg_callbacks callbacks;
struct mg_context *ctx;
struct mg_server_ports ports[32];
int port_cnt, n;
int err = 0;
/* Check if libcivetweb has been built with all required features. */
#ifdef USE_IPV6
if (!mg_check_feature(8)) {
fprintf(stderr,
"Error: Embedded example built with websocket support, "
"but civetweb library build without.\n");
err = 1;
}
#endif
#ifdef USE_WEBSOCKET
if (!mg_check_feature(16)) {
fprintf(stderr,
"Error: Embedded example built with websocket support, "
"but civetweb library build without.\n");
err = 1;
}
#endif
#ifndef NO_SSL
if (!mg_check_feature(2)) {
fprintf(stderr,
"Error: Embedded example built with SSL support, "
"but civetweb library build without.\n");
err = 1;
}
#endif
if (err) {
fprintf(stderr, "Cannot start CivetWeb - inconsistent build.\n");
return EXIT_FAILURE;
}
/* Start CivetWeb web server */
memset(&callbacks, 0, sizeof(callbacks));
ctx = mg_start(&callbacks, 0, options);
/* Add handler EXAMPLE_URI, to explain the example */
mg_set_request_handler(ctx, EXAMPLE_URI, ExampleHandler, 0);
mg_set_request_handler(ctx, EXIT_URI, ExitHandler, 0);
/* Add handler for /A* and special handler for /A/B */
mg_set_request_handler(ctx, "/A", AHandler, 0);
mg_set_request_handler(ctx, "/A/B", ABHandler, 0);
/* Add handler for /B, /B/A, /B/B but not for /B* */
mg_set_request_handler(ctx, "/B$", BXHandler, (void *)0);
mg_set_request_handler(ctx, "/B/A$", BXHandler, (void *)1);
mg_set_request_handler(ctx, "/B/B$", BXHandler, (void *)2);
/* Add handler for all files with .foo extention */
mg_set_request_handler(ctx, "**.foo$", FooHandler, 0);
/* Add HTTP site to open a websocket connection */
mg_set_request_handler(ctx, "/websocket", WebSocketStartHandler, 0);
#ifdef USE_WEBSOCKET
/* WS site for the websocket connection */
mg_set_websocket_handler(ctx,
"/websocket",
WebSocketConnectHandler,
WebSocketReadyHandler,
WebsocketDataHandler,
WebSocketCloseHandler,
0);
#endif
/* List all listening ports */
memset(ports, 0, sizeof(ports));
port_cnt = mg_get_server_ports(ctx, 32, ports);
printf("\n%i listening ports:\n\n", port_cnt);
for (n = 0; n < port_cnt && n < 32; n++) {
const char *proto = ports[n].is_ssl ? "https" : "http";
const char *host;
if ((ports[n].protocol & 1) == 1) {
/* IPv4 */
host = "127.0.0.1";
printf("Browse files at %s://%s:%i/\n", proto, host, ports[n].port);
printf("Run example at %s://%s:%i%s\n",
proto,
host,
ports[n].port,
EXAMPLE_URI);
printf(
"Exit at %s://%s:%i%s\n", proto, host, ports[n].port, EXIT_URI);
printf("\n");
}
if ((ports[n].protocol & 2) == 2) {
/* IPv6 */
host = "[::1]";
printf("Browse files at %s://%s:%i/\n", proto, host, ports[n].port);
printf("Run example at %s://%s:%i%s\n",
proto,
host,
ports[n].port,
EXAMPLE_URI);
printf(
"Exit at %s://%s:%i%s\n", proto, host, ports[n].port, EXIT_URI);
printf("\n");
}
}
/* Wait until the server should be closed */
while (!exitNow) {
#ifdef _WIN32
Sleep(1000);
#else
sleep(1);
#endif
#ifdef USE_WEBSOCKET
InformWebsockets(ctx);
#endif
}
/* Stop the server */
mg_stop(ctx);
printf("Server stopped.\n");
printf("Bye!\n");
return EXIT_SUCCESS;
}