57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#include <stdio.h>
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#include <microtcp.h>
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int main(void)
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{
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microtcp_errcode_t errcode;
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microtcp_t *mtcp = microtcp_create();
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if (mtcp == NULL)
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return -1;
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uint16_t port = 80;
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microtcp_socket_t *server = microtcp_open(mtcp, port, &errcode);
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if (errcode) {
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fprintf(stderr, "Error: %s\n", microtcp_strerror(errcode));
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microtcp_destroy(mtcp);
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return -1;
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}
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assert(server);
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fprintf(stderr, "Listening on port %d\n", port);
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while (1) {
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fprintf(stderr, "About to accept\n");
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microtcp_socket_t *client = microtcp_accept(server, false, &errcode);
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if (errcode && errcode != MICROTCP_ERRCODE_NOTHINGTOACCEPT) {
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fprintf(stderr, "Error: %s\n", microtcp_strerror(errcode));
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break;
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}
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fprintf(stderr, "Accepted a connection\n");
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char buffer[1024];
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size_t num = microtcp_recv(client, buffer, sizeof(buffer), &errcode);
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if (errcode) {
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fprintf(stderr, "Error: %s\n", microtcp_strerror(errcode));
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goto handled;
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}
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microtcp_send(client, "echo: ", 6, &errcode);
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if (errcode) {
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fprintf(stderr, "Error: %s\n", microtcp_strerror(errcode));
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goto handled;
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}
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microtcp_send(client, buffer, num, &errcode);
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if (errcode) {
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fprintf(stderr, "Error: %s\n", microtcp_strerror(errcode));
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goto handled;
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}
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handled:
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microtcp_close(client);
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}
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microtcp_close(server);
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microtcp_destroy(mtcp);
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return 0;
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}
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