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server.c
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server.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "mongoose.h"
#include "modules/server.h"
typedef struct {
struct js *js;
jsval_t handler;
int port;
} http_server_t;
static struct mg_mgr s_mgr;
static int g_mgr_initialized = 0;
static void server_signal_handler(int signum) {
(void)signum;
printf("\nShutting down server...\n");
if (g_mgr_initialized) {
mg_mgr_free(&s_mgr);
g_mgr_initialized = 0;
}
exit(0);
}
static void http_handler(struct mg_connection *c, int ev, void *ev_data) {
if (ev == MG_EV_HTTP_MSG) {
http_server_t *server = (http_server_t *)c->fn_data;
if (server == NULL || server->js == NULL) {
mg_http_reply(c, 500, "Content-Type: text/plain\r\n", "Server error");
return;
}
struct mg_http_message *hm = (struct mg_http_message *) ev_data;
jsval_t result = js_mkundef();
if (server->handler != 0 && js_type(server->handler) != JS_UNDEF) {
jsval_t req = js_mkobj(server->js);
js_set(server->js, req, "method", js_mkstr(server->js, hm->method.buf, hm->method.len));
js_set(server->js, req, "uri", js_mkstr(server->js, hm->uri.buf, hm->uri.len));
js_set(server->js, req, "query", js_mkstr(server->js, hm->query.buf, hm->query.len));
js_set(server->js, req, "body", js_mkstr(server->js, hm->body.buf, hm->body.len));
jsval_t res_obj = js_mkobj(server->js);
jsval_t args[2] = {req, res_obj};
result = js_call(server->js, server->handler, args, 2);
}
if (js_type(result) == JS_ERR) {
fprintf(stderr, "Handler error: %s\n", js_str(server->js, result));
mg_http_reply(c, 500, "Content-Type: text/plain\r\n", "Internal Server Error");
} else if (js_type(result) == JS_STR) {
char *response = js_getstr(server->js, result, NULL);
mg_http_reply(c, 200, "Content-Type: text/plain\r\n", "%s", response ? response : "");
} else if (js_type(result) == JS_PRIV) {
jsval_t status_val = js_get(server->js, result, "status");
jsval_t body_val = js_get(server->js, result, "body");
int status = 200;
if (js_type(status_val) == JS_NUM) {
status = (int)js_getnum(status_val);
}
char *body_str = "";
if (js_type(body_val) == JS_STR) {
body_str = js_getstr(server->js, body_val, NULL);
}
mg_http_reply(c, status, "Content-Type: text/plain\r\n", "%s", body_str ? body_str : "");
} else {
mg_http_reply(c, 200, "Content-Type: text/plain\r\n", "Hello from Ant HTTP Server!");
}
}
}
jsval_t js_serve(struct js *js, jsval_t *args, int nargs) {
if (nargs < 1) {
fprintf(stderr, "Error: Ant.serve() requires at least 1 argument (port)\n");
return js_mkundef();
}
int port = 8000;
if (js_type(args[0]) == JS_NUM) {
port = (int)js_getnum(args[0]);
}
http_server_t *server = malloc(sizeof(http_server_t));
if (server == NULL) {
fprintf(stderr, "Error: Failed to allocate server data\n");
return js_mkundef();
}
server->js = js;
server->port = port;
server->handler = (nargs >= 2) ? args[1] : js_mkundef();
char url[64];
snprintf(url, sizeof(url), "http://0.0.0.0:%d", port);
if (!g_mgr_initialized) {
mg_log_set(MG_LL_INFO);
mg_mgr_init(&s_mgr);
g_mgr_initialized = 1;
signal(SIGINT, server_signal_handler);
signal(SIGTERM, server_signal_handler);
}
struct mg_connection *c = mg_http_listen(&s_mgr, url, http_handler, server);
if (c == NULL) {
fprintf(stderr, "Error: Failed to start HTTP server on port %d\n", port);
free(server);
return js_mknum(0);
}
for (;;) {
mg_mgr_poll(&s_mgr, 1000);
}
return js_mknum(1);
}

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