initial commit

third_party/libhv/examples/multi-thread/multi-acceptor-processes.c

@@ -0,0 +1,98 @@
+/*
+ *
+ * @build   make examples
+ * @server  bin/multi-acceptor-processes 1234
+ * @client  bin/nc 127.0.0.1 1234
+ *          nc     127.0.0.1 1234
+ *          telnet 127.0.0.1 1234
+ */
+
+#include "hloop.h"
+#include "hsocket.h"
+#include "hthread.h"
+#include "hproc.h"
+
+static char protocol = 't';
+static const char* protocolname = "tcp";
+static const char* host = "0.0.0.0";
+static int port = 1234;
+static int process_num = 4;
+
+static void on_close(hio_t* io) {
+    printf("on_close fd=%d error=%d\n", hio_fd(io), hio_error(io));
+}
+
+static void on_recv(hio_t* io, void* buf, int readbytes) {
+    // echo
+    hio_write(io, buf, readbytes);
+}
+
+static void on_accept(hio_t* io) {
+    char localaddrstr[SOCKADDR_STRLEN] = {0};
+    char peeraddrstr[SOCKADDR_STRLEN] = {0};
+    printf("pid=%ld connfd=%d [%s] <= [%s]\n",
+            (long)hv_getpid(),
+            (int)hio_fd(io),
+            SOCKADDR_STR(hio_localaddr(io), localaddrstr),
+            SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));
+
+    hio_setcb_close(io, on_close);
+    hio_setcb_read(io, on_recv);
+    hio_read(io);
+}
+
+static void loop_proc(void* userdata) {
+    int sockfd = (int)(intptr_t)(userdata);
+    hloop_t* loop = hloop_new(HLOOP_FLAG_AUTO_FREE);
+    hio_t* io = hio_get(loop, sockfd);
+    if (protocol == 't') {
+        hio_setcb_accept(io, on_accept);
+        hio_accept(io);
+    }
+    else if (protocol == 'u') {
+        hio_setcb_read(io, on_recv);
+        hio_read(io);
+    }
+    hloop_run(loop);
+}
+
+int main(int argc, char** argv) {
+    if (argc < 2) {
+        printf("Usage: cmd port\n");
+        return -10;
+    }
+    int index = 1;
+    if (argv[1][0] == '-') {
+        protocol = argv[1][1];
+        switch(protocol) {
+        case 't': protocolname = "tcp"; break;
+        case 'u': protocolname = "udp"; break;
+        default:  fprintf(stderr, "Unsupported protocol '%c'\n", protocol); exit(1);
+        }
+        ++index;
+    }
+    port = atoi(argv[index++]);
+
+    int sockfd = -1;
+    if (protocol == 't') {
+        sockfd = Listen(port, host);
+    }
+    else if (protocol == 'u') {
+        sockfd = Bind(port, host, SOCK_DGRAM);
+    }
+    if (sockfd < 0) {
+        exit(1);
+    }
+
+    proc_ctx_t ctx;
+    memset(&ctx, 0, sizeof(ctx));
+    ctx.proc = loop_proc;
+    ctx.proc_userdata = (void*)(intptr_t)sockfd;
+    for (int i = 0; i < process_num; ++i) {
+        hproc_spawn(&ctx);
+    }
+
+    while(1) hv_sleep(1);
+
+    return 0;
+}