44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
// Copyright (c) 2020 Cesanta Software Limited
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// All rights reserved
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//
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// Streaming upload example. Demonstrates how to use MG_EV_HTTP_CHUNK events
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// to send large payload in smaller chunks. To test, use curl utility:
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//
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// curl http://localhost:8000/upload?name=a.txt --data-binary @large_file.txt
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#include "mongoose.h"
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// HTTP request handler function. It implements the following endpoints:
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// /upload - Saves the next file chunk
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// all other URI - serves web_root/ directory
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static void cb(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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struct mg_http_message *hm = (struct mg_http_message *) ev_data;
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if (ev == MG_EV_HTTP_CHUNK && mg_http_match_uri(hm, "/upload")) {
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MG_INFO(("Got chunk len %lu", (unsigned long) hm->chunk.len));
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MG_INFO(("Query string: [%.*s]", (int) hm->query.len, hm->query.ptr));
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// MG_INFO(("Chunk data:\n%.*s", (int) hm->chunk.len, hm->chunk.ptr));
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mg_http_delete_chunk(c, hm);
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if (hm->chunk.len == 0) {
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MG_INFO(("Last chunk received, sending response"));
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mg_http_reply(c, 200, "", "ok (chunked)\n");
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}
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} else if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_serve_opts opts = {.root_dir = "web_root"};
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mg_http_serve_dir(c, hm, &opts);
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}
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(void) fn_data;
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}
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int main(void) {
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struct mg_mgr mgr;
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mg_mgr_init(&mgr);
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mg_log_set(MG_LL_DEBUG); // Set debug log level
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mg_http_listen(&mgr, "http://localhost:8000", cb, NULL);
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for (;;) mg_mgr_poll(&mgr, 50);
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mg_mgr_free(&mgr);
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return 0;
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}
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