mirror of https://github.com/yandex/odyssey.git
87 lines
1.5 KiB
C
87 lines
1.5 KiB
C
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/*
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* machinarium.
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*
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* Cooperative multitasking engine.
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*/
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/*
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* This example shows basic tcp server.
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* Read 10 bytes with 5 sec timeout then write back.
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*
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* echo 0123456789 | nc -v 127.0.0.1 7778 # to test
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*/
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#include <machinarium.h>
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static void
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test_client(void *arg)
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{
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mmio_t client = arg;
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int fd = mm_fd(client);
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printf("new connection: %d \n", fd);
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for (;;) {
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int rc;
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/* read 10 bytes (with 5 sec timeout) */
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rc = mm_read(client, 10, 5 * 1000);
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if (rc < 0) {
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printf("client read error\n");
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if (mm_read_is_timeout(client)) {
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printf("timeout in %d\n", fd);
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continue;
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}
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if (! mm_is_connected(client)) {
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printf("client disconnected\n");
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break;
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}
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}
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/* write 10 bytes */
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char *buf = mm_read_buf(client);
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rc = mm_write(client, buf, 10, 0);
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if (rc < 0)
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printf("client write error\n");
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}
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printf("client %d disconnected\n", fd);
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mm_close(client);
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}
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static void
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test_server(void *arg)
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{
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mm_t env = arg;
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mmio_t server = mm_io_new(env);
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int rc;
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rc = mm_bind(server, "127.0.0.1", 7778);
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if (rc < 0) {
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printf("bind failed\n");
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mm_close(server);
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return;
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}
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printf("waiting for connections (127.0.0.1:7778)\n");
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for (;;) {
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mmio_t client;
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rc = mm_accept(server, 16, &client);
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if (rc < 0) {
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printf("accept error.\n");
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} else
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if (rc == 0) {
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mm_create(env, test_client, client);
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}
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}
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/* unreach */
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mm_close(server);
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}
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int
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main(int argc, char *argv[])
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{
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mm_t env = mm_new();
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mm_create(env, test_server, env);
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mm_start(env);
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mm_free(env);
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return 0;
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}
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