X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test%2Fecho-fork.c;h=33966da16645043e712c99ff9a22d98966e55048;hb=e40d5bf3a0e030105334046319f377efbf3f06c4;hp=289e24a72258efc731665395e223e7d15c2cc1f1;hpb=196806f90f40fcc0cf727abd4bed6bc5aefff5ff;p=meshlink diff --git a/test/echo-fork.c b/test/echo-fork.c index 289e24a7..33966da1 100644 --- a/test/echo-fork.c +++ b/test/echo-fork.c @@ -1,205 +1,189 @@ #define _GNU_SOURCE + +#ifdef NDEBUG +#undef NDEBUG +#endif + #include #include #include #include +#include +#include +#include +#include + +#ifdef __linux__ +#include +#endif -#include "../src/meshlink.h" +#include "meshlink.h" +#include "utils.h" /* * To run this test case, direct a large file to strd */ -volatile bool bar_reachable = false; -volatile bool bar_responded = false; -volatile bool foo_closed = false; -int debug_level; +static struct sync_flag a_started; +static struct sync_flag a_stopped; +static struct sync_flag b_responded; -void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) { - if(mesh) - fprintf(stderr, "(%s) ", mesh->name); - fprintf(stderr, "[%d] %s\n", level, text); -} - -void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) { - if(!strcmp(node->name, "bar")) - bar_reachable = reachable; - else if(!strcmp(node->name, "foo")) - if(!reachable) - foo_closed = true; -} +static void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) { + (void)mesh; + (void)channel; + (void)data; + (void)len; -void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) { // One way only. } -void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) { +static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) { + (void)mesh; + (void)channel; + if(!len) { - fprintf(stderr, "Connection closed by foo\n"); - foo_closed = true; + set_sync_flag(&a_stopped, true); + meshlink_channel_close(mesh, channel); return; } - // Write data to stdout. - write(1, data, len); -} -bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) { - return false; + assert(write(1, data, len) == (ssize_t)len); } -bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) { - if(port != 7) +static bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) { + if(port != 7) { return false; - meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb); - if(data) - bar_receive_cb(mesh, channel, data, len); + } + + set_sync_flag(&a_started, true); + + meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb); + + if(data) { + b_receive_cb(mesh, channel, data, len); + } + return true; } -void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) { +static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) { + (void)len; + meshlink_set_channel_poll_cb(mesh, channel, NULL); - bar_responded=true; + set_sync_flag(&b_responded, true); } -int main1(void) { +static int main1(void) { close(1); - meshlink_set_log_cb(NULL, debug_level, log_cb); - - meshlink_handle_t *mesh1 = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE); - if(!mesh1) { - fprintf(stderr, "Could not initialize configuration for foo\n"); - return 1; - } + meshlink_handle_t *mesh = meshlink_open("echo-fork_conf.1", "a", "echo-fork", DEV_CLASS_BACKBONE); + assert(mesh); - meshlink_set_log_cb(mesh1, debug_level, log_cb); - meshlink_set_channel_accept_cb(mesh1, reject_cb); - meshlink_set_node_status_cb(mesh1, status_cb); - - if(!meshlink_start(mesh1)) { - fprintf(stderr, "Foo could not start\n"); - return 1; - } - - for(int i = 0; i < 20; i++) { - sleep(1); - if(bar_reachable) - break; - } + assert(meshlink_start(mesh)); - if(!bar_reachable) { - fprintf(stderr, "Bar not reachable for foo after 20 seconds\n"); - return 1; - } + // Open a channel. - // Open a channel from foo to bar. + meshlink_node_t *b = meshlink_get_node(mesh, "b"); + assert(b); - meshlink_node_t *bar = meshlink_get_node(mesh1, "bar"); - if(!bar) { - fprintf(stderr, "Foo could not find bar\n"); - return 1; - } + meshlink_channel_t *channel = meshlink_channel_open(mesh, b, 7, a_receive_cb, NULL, 0); + assert(channel); - meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0); - meshlink_set_channel_poll_cb(mesh1, channel, poll_cb); + meshlink_set_channel_poll_cb(mesh, channel, poll_cb); // read and buffer stdin - int BUF_SIZE = 1024*1024; + int BUF_SIZE = 1024 * 1024; char buffer[BUF_SIZE]; - for(int i = 0; i < 5; i++) { - sleep(1); - if(bar_responded) - break; - } - - if(!bar_responded) { - fprintf(stderr, "Bar did not respond to foo's channel message\n"); - return 1; - } + assert(wait_sync_flag(&b_responded, 20)); do { - //fprintf(stderr, ":"); ssize_t len = read(0, buffer, BUF_SIZE); - if(len <= 0) + + if(len <= 0) { break; + } + char *p = buffer; + while(len > 0) { - ssize_t sent = meshlink_channel_send(mesh1, channel, p, len); + ssize_t sent = meshlink_channel_send(mesh, channel, p, len); + if(sent < 0) { fprintf(stderr, "Sending message failed\n"); return 1; } - if(!sent) + + if(!sent) { usleep(100000); - else { + } else { len -= sent; p += sent; } } } while(true); - fprintf(stderr, "Foo finished sending\n"); - - meshlink_channel_close(mesh1, channel); - sleep(1); + meshlink_channel_close(mesh, channel); // Clean up. - meshlink_close(mesh1); + meshlink_close(mesh); return 0; } -int main2(void) { +static int main2(void) { +#ifdef __linux__ + prctl(PR_SET_PDEATHSIG, SIGTERM); +#endif + close(0); - sleep(1); + // Start mesh and wait for incoming channels. - meshlink_set_log_cb(NULL, debug_level, log_cb); + meshlink_handle_t *mesh = meshlink_open("echo-fork_conf.2", "b", "echo-fork", DEV_CLASS_BACKBONE); + assert(mesh); - meshlink_handle_t *mesh2 = meshlink_open("echo-fork_conf.2", "bar", "echo-fork", DEV_CLASS_BACKBONE); - if(!mesh2) { - fprintf(stderr, "Could not initialize configuration for bar\n"); - return 1; - } + meshlink_set_channel_accept_cb(mesh, accept_cb); - meshlink_set_log_cb(mesh2, debug_level, log_cb); - meshlink_set_channel_accept_cb(mesh2, accept_cb); - meshlink_set_node_status_cb(mesh2, status_cb); + assert(meshlink_start(mesh)); - if(!meshlink_start(mesh2)) { - fprintf(stderr, "Bar could not start\n"); - return 1; - } + // Let it run until a disappears. - while(!foo_closed) - sleep(1); + assert(wait_sync_flag(&a_started, 20)); + assert(wait_sync_flag(&a_stopped, 1000000)); // Clean up. - meshlink_close(mesh2); + meshlink_close(mesh); return 0; } -int main(int argc, char *argv[]) { - debug_level = getenv("DEBUG") ? MESHLINK_DEBUG : MESHLINK_ERROR; +int main(void) { + init_sync_flag(&a_started); + init_sync_flag(&a_stopped); + init_sync_flag(&b_responded); + + meshlink_set_log_cb(NULL, MESHLINK_WARNING, log_cb); // Initialize and exchange configuration. - meshlink_handle_t *foo = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE); - meshlink_handle_t *bar = meshlink_open("echo-fork_conf.2", "bar", "echo-fork", DEV_CLASS_BACKBONE); - meshlink_add_address(foo, "localhost"); - meshlink_import(bar, meshlink_export(foo)); - meshlink_import(foo, meshlink_export(bar)); - meshlink_close(foo); - meshlink_close(bar); - - if(fork()) - return main1(); - else + meshlink_handle_t *mesh_a, *mesh_b; + + open_meshlink_pair(&mesh_a, &mesh_b, "echo-fork"); + close_meshlink_pair(mesh_a, mesh_b); + + if(!fork()) { return main2(); + } + + assert(main1() == 0); + + int wstatus = 0; + assert(wait(&wstatus) != -1); + assert(WIFEXITED(wstatus)); + assert(WEXITSTATUS(wstatus) == 0); }