mirror of
https://github.com/cesanta/mongoose
synced 2026-08-25 22:26:06 -04:00
120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
#define MIPPORTTEST_USING_DHCP 1
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include "mip_x_test.c"
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struct port_driver_data {
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int sockfd;
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struct sockaddr_in port_addr;
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struct sockaddr_in tap_addr;
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};
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// MIP Socket driver
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static size_t sock_rx(void *buf, size_t len, struct mg_tcpip_if *ifp) {
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ssize_t received = recv(((struct port_driver_data *)ifp->driver_data)->sockfd, buf, len, 0);
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usleep(1); // This is to avoid 100% CPU
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if (received < 0) return 0;
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return (size_t) received;
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}
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static size_t sock_tx(const void *buf, size_t len, struct mg_tcpip_if *ifp) {
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ssize_t res = send(((struct port_driver_data *)ifp->driver_data)->sockfd, buf, len, 0);
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if (res < 0) {
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MG_ERROR(("sock_tx failed: %d", errno));
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return 0;
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}
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return (size_t) res;
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}
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static bool sock_poll(struct mg_tcpip_if *ifp, bool s1) {
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return s1 && ifp->driver_data ? true : false;
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}
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int main(void) {
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bool result;
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const char *debug_level = getenv("V");
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// Setup interface
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const uint16_t port = 0xAA55; // UDP port
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const uint16_t tap_port = 0x55AA; // UDP port for TAP socket
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const char *mac = "02:00:01:02:03:78"; // MAC address
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struct port_driver_data pdd;
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pdd.sockfd = socket(AF_INET, SOCK_DGRAM, 0);
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pdd.port_addr.sin_family = AF_INET;
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pdd.port_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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pdd.port_addr.sin_port = htons(port);
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if (bind(pdd.sockfd, (struct sockaddr *) &pdd.port_addr, sizeof(pdd.port_addr)) < 0) return EXIT_FAILURE;
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printf("Opened UDP socket: 127.0.0.1:%u (0x%04x)\n", port, port);
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pdd.tap_addr.sin_family = AF_INET;
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pdd.tap_addr.sin_addr.s_addr = htonl(0x7f000001U); // 127.0.0.1
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pdd.tap_addr.sin_port = htons(0x55AA);
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if (connect(pdd.sockfd, (struct sockaddr *) &pdd.tap_addr, sizeof(pdd.tap_addr)) < 0) return EXIT_FAILURE;
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printf("Connected to TAP UDP socket: 127.0.0.1:%u (0x%04x)\n", tap_port, tap_port);
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usleep(200000); // 200 ms
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if (debug_level == NULL) debug_level = "3";
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mg_log_set(atoi(debug_level));
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struct mg_mgr mgr; // Event manager
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mg_mgr_init(&mgr); // Initialise event manager
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// MIP driver
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struct mg_tcpip_driver driver;
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memset(&driver, 0, sizeof(driver));
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driver.tx = sock_tx;
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driver.poll = sock_poll;
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driver.rx = sock_rx;
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struct mg_tcpip_if mif;
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memset(&mif, 0, sizeof(mif));
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mif.driver = &driver;
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mif.driver_data = &pdd;
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#if MIPPORTTEST_USING_DHCP == 1
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#else
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mif.ip = mg_htonl(MG_U32(192, 168, 32, 2)); // Triggering a network failure
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mif.mask = mg_htonl(MG_U32(255, 255, 255, 0));
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mif.gw = mg_htonl(MG_U32(192, 168, 32, 1));
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#endif
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sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &mif.mac[0], &mif.mac[1],
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&mif.mac[2], &mif.mac[3], &mif.mac[4], &mif.mac[5]);
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mg_tcpip_init(&mgr, &mif);
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MG_INFO(("Init done, starting main loop"));
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usleep(200000); // 200 ms
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// Stack initialization, Network configuration (DHCP lease, ...)
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#if MIPPORTTEST_USING_DHCP == 0
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MG_INFO(("MIF configuration: Static IP"));
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ASSERT(mif.ip != 0); // Check we have a satic IP assigned
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mg_mgr_poll(&mgr, 100); // For initialisation
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#else
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MG_INFO(("MIF configuration: DHCP"));
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ASSERT(!mif.ip); // Check we are set for DHCP
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int pc = 500; // Timeout on DHCP lease 500 ~ approx 5s (typical delay <1s)
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while (((pc--) > 0) && !mif.ip) {
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mg_mgr_poll(&mgr, 100);
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usleep(10000); // 10 ms
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}
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if (!mif.ip) MG_ERROR(("No ip assigned (DHCP lease may have failed).\n"));
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ASSERT(mif.ip); // We have an IP (lease or static)
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#endif
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while (mif.state != MG_TCPIP_STATE_READY) {
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mg_mgr_poll(&mgr, 100);
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usleep(10000); // 10 ms
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}
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// RUN TESTS
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result = mip_x_test(&mgr);
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close(pdd.sockfd);
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if (!result) return EXIT_FAILURE;
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return EXIT_SUCCESS;
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}
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