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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "mongoose.h"
static const char *s_no_cache_header =
"Cache-Control: max-age=0, post-check=0, "
"pre-check=0, no-store, no-cache, must-revalidate\r\n";
static void handle_restful_call(struct mg_connection *conn) {
char n1[100], n2[100];
// Get form variables
mg_get_var(conn, "n1", n1, sizeof(n1));
mg_get_var(conn, "n2", n2, sizeof(n2));
mg_printf_data(conn, "{ \"result\": %lf }", strtod(n1, NULL) + strtod(n2, NULL));
}
static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
switch (ev) {
case MG_AUTH: return MG_TRUE;
case MG_REQUEST:
if (!strcmp(conn->uri, "/api/sum")) {
handle_restful_call(conn);
return MG_TRUE;
}
mg_send_file(conn, "index.html", s_no_cache_header);
return MG_MORE;
default: return MG_FALSE;
}
}
int main(void) {
struct mg_server *server;
// Create and configure the server
server = mg_create_server(NULL, ev_handler);
mg_set_option(server, "listening_port", "8000");
// Serve request. Hit Ctrl-C to terminate the program
printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
for (;;) {
mg_poll_server(server, 1000);
}
// Cleanup, and free server instance
mg_destroy_server(&server);
return 0;
}
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