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libhttp/examples/embedded_c/embedded_c.c

113 lines
3.3 KiB
C

/*
* Copyright (c) 2013 No Face Press, LLC
* License http://opensource.org/licenses/mit-license.php MIT License
*/
// Simple example program on how to use Embedded C interface.
#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
#include <string.h>
#include "civetweb.h"
#define DOCUMENT_ROOT "."
#define PORT "8888"
#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 here</a></p>");
mg_printf(conn, "<p>To see a page from the A/B handler <a href=\"A/B\">click here</a></p>");
mg_printf(conn, "<p>To see a page from the *.foo handler <a href=\"xy.foo\">click here</a></p>");
mg_printf(conn, "<p>To exit <a href=\"%s\">click here</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, "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 FooHandler(struct mg_connection *conn, void *cbdata)
{
/* Handler may access the request info using mg_get_request_info */
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 main(int argc, char *argv[])
{
const char * options[] = { "document_root", DOCUMENT_ROOT,
"listening_ports", PORT, 0
};
struct mg_callbacks callbacks;
struct mg_context *ctx;
memset(&callbacks, 0, sizeof(callbacks));
ctx = mg_start(&callbacks, 0, options);
mg_set_request_handler(ctx,EXAMPLE_URI, ExampleHandler,0);
mg_set_request_handler(ctx,EXIT_URI, ExitHandler,0);
mg_set_request_handler(ctx,"/a", AHandler,0);
mg_set_request_handler(ctx,"/a/b", ABHandler,0);
mg_set_request_handler(ctx,"**.foo$", FooHandler,0);
printf("Browse files at http://localhost:%s/\n", PORT);
printf("Run example at http://localhost:%s%s\n", PORT, EXAMPLE_URI);
printf("Exit at http://localhost:%s%s\n", PORT, EXIT_URI);
while (!exitNow) {
#ifdef _WIN32
Sleep(1000);
#else
sleep(1);
#endif
}
printf("Bye!\n");
return 0;
}